chore: bump minimum go version to 1.21

Release-As: 2.3.1

.github/dependabot.yaml

@@ -0,0 +1,24 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# \todo Eliminate duplication when/if Dependabot supports YAML anchors
+
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    labels:
+      - dependencies
+      - actions
+    schedule:
+      day: sunday
+      interval: weekly
+  - package-ecosystem: gomod
+    directory: /v2
+    labels:
+      - dependencies
+      - go
+    schedule:
+      interval: weekly
+      day: friday

.github/workflows/ci.yml

@@ -4,16 +4,16 @@ on:
   pull_request:
   push:
     branches:
-     - dev
+     - master
 jobs:
   build:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        go-version: [1.19.x, 1.20.x]
+        go-version: [1.21.x]
     steps:
       - name: Install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go-version }}
       - name: Updating packages database
@@ -21,7 +21,7 @@ jobs:
       - name: Install CLI Dependencies
         run: sudo apt-get install -y ldap-utils oathtool libpam0g-dev
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Fetch Go dependencies
         working-directory: ./v2
         run: go get -t -v ./...

.github/workflows/codeql.yml

@@ -2,7 +2,7 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "master", "dev" ]
+    branches: [ "master" ]
   pull_request:
     branches: [ "master" ]
   schedule:
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2

.github/workflows/release-please.yml

@@ -0,0 +1,27 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: google-github-actions/release-please-action@v3
+        with:
+          release-type: go
+          package-name: GLAuth
+          path: v2
+          default-branch: master
+          pull-request-title-pattern: "ci: release ${version}"
+          token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
+          extra-files: |
+            v2/internal/version/const.go

.gitignore

@@ -4,3 +4,14 @@ v2/bin
 v2/docker/assets/linux
 v2/gl.db
 .vscode/
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+# gomocks auto-generated
+**/mock_*.go
+

.gitmodules

@@ -0,0 +1,12 @@
+[submodule "v2/pkg/plugins/glauth-sqlite"]
+	path = v2/pkg/plugins/glauth-sqlite
+	url = https://github.com/glauth/glauth-sqlite
+[submodule "v2/pkg/plugins/glauth-mysql"]
+	path = v2/pkg/plugins/glauth-mysql
+	url = https://github.com/glauth/glauth-mysql
+[submodule "v2/pkg/plugins/glauth-postgres"]
+	path = v2/pkg/plugins/glauth-postgres
+	url = https://github.com/glauth/glauth-postgres
+[submodule "v2/pkg/plugins/glauth-pam"]
+	path = v2/pkg/plugins/glauth-pam
+	url = https://github.com/glauth/glauth-pam

README.md

@@ -7,7 +7,7 @@ Go-lang LDAP Authentication (GLAuth) is a secure, easy-to-use, LDAP server w/ co
 ![GitHub all releases](https://img.shields.io/github/downloads/glauth/glauth/total)
 ![Docker pulls](https://badgen.net/docker/pulls/glauth/glauth)
 
-![GitHub last commit (branch)](https://img.shields.io/github/last-commit/glauth/glauth/dev)
+![GitHub last commit (branch)](https://img.shields.io/github/last-commit/glauth/glauth/master)
 ![Code Climate maintainability](https://img.shields.io/codeclimate/maintainability-percentage/glauth/glauth)
 
 * Centrally manage accounts across your infrastructure

v2/CHANGELOG.md

@@ -0,0 +1,22 @@
+# Changelog
+
+## [2.3.0](https://github.com/glauth/glauth/compare/v2.2.0...v2.3.0) (2023-10-02)
+
+
+### ⚠ BREAKING CHANGES
+
+* **plugins:** Rename the groups table to ldapgroups ([#326](https://github.com/glauth/glauth/issues/326))
+
+### Features
+
+* Update migration code to support table names ([#339](https://github.com/glauth/glauth/issues/339)) ([349431c](https://github.com/glauth/glauth/commit/349431c6caa0388d17ab987621eb9be5f019155e))
+
+
+### Bug Fixes
+
+* **plugins:** Rename the groups table to ldapgroups ([#326](https://github.com/glauth/glauth/issues/326)) ([675b236](https://github.com/glauth/glauth/commit/675b236328a21a65daa7876a1a3c6900b85b1964))
+
+
+### Miscellaneous Chores
+
+* release 2.3.0 ([0c11325](https://github.com/glauth/glauth/commit/0c11325a2482d5067c805a4c7ed948a5e337b8f8))

v2/Makefile

@@ -16,14 +16,21 @@ GIT_IS_TAG_COMMIT=$(shell git describe --abbrev=0 --tags > /dev/null 2> /dev/nul
 GIT_BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
 
 # Build variables
-BUILD_VARS=-s -w -X main.GitCommit=${GIT_COMMIT} -X main.GitBranch=${GIT_BRANCH} -X main.BuildTime=${BUILD_TIME} -X main.GitClean=${GIT_CLEAN} -X main.LastGitTag=${LAST_GIT_TAG} -X main.GitTagIsCommit=${GIT_IS_TAG_COMMIT}
-BUILD_FILES=glauth.go
-TRIM_FLAGS=-gcflags "all=-trimpath=${PWD}" -asmflags "all=-trimpath=${PWD}"
+BUILD_VARS?=-s -w
+BUILD_FILES=.
+TRIM_FLAGS>?=-trimpath
 
 # Targets
 MAIN_TARGETS=linux/amd64,linux/386,linux/arm64,linux/arm-7,darwin/amd64,darwin/arm64,windows/amd64,windows/386
 PLUGIN_TARGETS=linux/amd64,linux/386,linux/arm64,linux/arm-7,darwin/amd64,darwin/arm64
 
+# For release process
+GO_RELEASE_V=$(shell go version | { read _ _ v _; echo $${v#go}; })
+
+# Build
+GOOS?=linux
+GOARCH?=amd64
+
 # Plugins
 -include pkg/plugins/*/Makefile
 
@@ -38,9 +45,20 @@ help:
 #run: @ build and run - used for development
 run: setup devrun
 
-#test: @ runs the integration test on linuxamd64 (eventually allow the binary to be set)
-test: runtest
+mocks:
+	go install go.uber.org/mock/mockgen@v0.3.0
+	# generate gomocks
+	go generate ./...
+.PHONY: mocks
 
+vet:
+	-go vet ./...
+.PHONY: vet
+#test: @ runs the integration test on linuxamd64 (eventually allow the binary to be set)
+test: mocks vet
+	# also run unit tests for packages, skip glauth_test.go for now
+	go test -v -cover -coverprofile coverage.out ./pkg/... ./internal/...
+	$(MAKE) runtest
 #all: @ run build process for all binaries
 all: setup binaries verify
 
@@ -69,34 +87,48 @@ updatetest:
 	./scripts/ci/integration-test.sh
 
 format:
-	go fmt
+	go fmt ./...
 
 devrun:
 	go run ${BUILD_FILES} -c sample-simple.cfg
 
+mkbindir:
+	@echo "create directory bin/$(GOOS)$(GOARCH)"
+	@mkdir -p bin/$(GOOS)$(GOARCH)
+.PHONY: mkbindir
+
+build: mkbindir
+	@go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$(GOOS)$(GOARCH)/glauth -buildvcs=false .
+	$(MAKE) sha256
+.PHONY: build
+
+sha256:
+	@sha256sum bin/$(GOOS)$(GOARCH)/glauth > bin/$(GOOS)$(GOARCH)/glauth.sha256
+.PHONY: sha256
+
 linux386:
-	mkdir -p bin/$@ && GOOS=linux GOARCH=386 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=linux GOARCH=386 $(MAKE) build
 
 linuxamd64:
-	mkdir -p bin/$@ && GOOS=linux GOARCH=amd64 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=linux GOARCH=amd64 $(MAKE) build
 
 linuxarm:
-	mkdir -p bin/$@ && GOOS=linux GOARCH=arm go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=linux GOARCH=arm $(MAKE) build
 
 linuxarm64:
-	mkdir -p bin/$@ && GOOS=linux GOARCH=arm64 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=linux GOARCH=arm64 $(MAKE) build
 
 darwinamd64:
-	mkdir -p bin/$@ && GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 $(MAKE) build
 
 darwinarm64:
-	mkdir -p bin/$@ && GOOS=darwin GOARCH=arm64 CGO_ENABLED=1 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=darwin GOARCH=arm64 CGO_ENABLED=1 $(MAKE) build
 
 win386:
-	mkdir -p bin/$@ && GOOS=windows GOARCH=386 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=windows GOARCH=386 $(MAKE) build
 
 winamd64:
-	mkdir -p bin/$@ && GOOS=windows GOARCH=amd64 go build ${TRIM_FLAGS} -ldflags "${BUILD_VARS}" -o bin/$@/glauth ${BUILD_FILES} && cd bin/$@ && sha256sum glauth > glauth.sha256
+	GOOS=windows GOARCH=amd64 $(MAKE) build
 
 verify:
 	@for binary in linux386 linuxamd64 linuxarm linuxarm64 darwinamd64 darwinarm64 win386 winamd64; do cd bin/$$binary && sha256sum glauth.sha256 -c && cd ../..; done
@@ -105,6 +137,7 @@ pull-plugin:
 	@git submodule add $U $M && \
 	(for pkg in $$(cat $$M/go.mod | awk '/^require [a-z]/{print $$2} /^\)/{rblock=0} rblock{if($$4!="indirect" && $$1!~"glauth"){print $$1}} /^require \(/{rblock=1}'); do if [ "$$(grep $$pkg go.mod &>/dev/null)" = "" ]; then go get $$pkg; fi; done)
 
+#pull-base-plugins: @ pull plugins for local building
 pull-base-plugins:
 	@U=https://github.com/glauth/glauth-sqlite M=pkg/plugins/glauth-sqlite make pull-plugin && \
 	U=https://github.com/glauth/glauth-mysql M=pkg/plugins/glauth-mysql make pull-plugin && \
@@ -117,21 +150,24 @@ forget-plugin:
 	git rm --cache $M && \
 	go mod tidy
 
+#forget-plugin: @ remove plugins, restoring original file structure
 forget-plugins:
 	for pkg in pkg/plugins/*/go.mod; do\
 		P=$$(echo $$pkg | cut -d'/' -f 3) M=$$(dirname $$pkg) make forget-plugin;\
 	done
 
+#releasemain: @ build main binaries for distribution
 releasemain:
-	@xgo -v -ldflags="${BUILD_VARS}" -trimpath -go 1.18.1 -out glauth -dest bin -buildvcs=false --targets="${MAIN_TARGETS}" .
+	@xgo -v -ldflags="${BUILD_VARS}" -trimpath -go ${GO_RELEASE_V} -out glauth -dest bin -buildvcs=false --targets="${MAIN_TARGETS}" .
 
 releaseplugin:
-	@xgo -v -ldflags="${BUILD_VARS}" -trimpath -go 1.18.1 -out $P -dest bin -buildvcs=false -buildmode=plugin --targets="${PLUGIN_TARGETS}" --pkg $M/$P.go . && \
-	(cd bin && for lib in $$(ls $$P-*); do mv $$lib $$lib.so; done)
+	@xgo -v -ldflags="${BUILD_VARS}" -trimpath -go ${GO_RELEASE_V} -out $P -dest bin -buildvcs=false -buildmode=plugin --targets="${PLUGIN_TARGETS}" --pkg $M/$P.go . && \
+	(cd bin && for lib in $$(ls $$P-*); do sudo mv $$lib $$lib.so; done)
 
+#releaseplugins: @ build base plugins for distribution
 releaseplugins:
 	@for pkg in pkg/plugins/*/go.mod; do\
-		P=$$(echo $$pkg | cut -d'/' -f 3) && make release-$$P;\
+		M=pkg/plugins/$$(echo $$pkg | cut -d'/' -f 3) && P=$$(echo $$M | grep -oP 'glauth-\K\w+') && M=$$M P=$$P make releaseplugin;\
 	done
 
 releasedockermain:

v2/glauth.go

@@ -1,38 +1,33 @@
 package main
 
 import (
-	"bytes"
+	"crypto/tls"
 	"fmt"
+	"net/http"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"time"
+
 	"github.com/GeertJohan/yubigo"
 	"github.com/arl/statsviz"
 	docopt "github.com/docopt/docopt-go"
 	"github.com/fsnotify/fsnotify"
+	"github.com/glauth/glauth/v2/internal/monitoring"
+	_tls "github.com/glauth/glauth/v2/internal/tls"
+	"github.com/glauth/glauth/v2/internal/toml"
+	"github.com/glauth/glauth/v2/internal/tracing"
+	"github.com/glauth/glauth/v2/internal/version"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/frontend"
 	"github.com/glauth/glauth/v2/pkg/logging"
 	"github.com/glauth/glauth/v2/pkg/server"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/hydronica/toml"
 	"github.com/jinzhu/copier"
-	"github.com/rs/zerolog"
-	"gopkg.in/amz.v3/aws"
-	"gopkg.in/amz.v3/s3"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"path/filepath"
-	"reflect"
-	"strings"
-	"time"
-)
 
-// Set with buildtime vars
-var LastGitTag string
-var BuildTime string
-var GitCommit string
-var GitClean string
-var GitBranch string
-var GitTagIsCommit string
+	"github.com/rs/zerolog"
+)
 
 const programName = "glauth"
 
@@ -48,6 +43,7 @@ Options:
   -K <aws_key_id>           AWS Key ID.
   -S <aws_secret_key>       AWS Secret Key.
   -r <aws_region>           AWS Region [default: us-east-1].
+  --aws_endpoint_url <url>  Custom S3 endpoint.
   --ldap <address>          Listen address for the LDAP server.
   --ldaps <address>         Listen address for the LDAPS server.
   --ldaps-cert <cert-file>  Path to cert file for the LDAPS server.
@@ -65,49 +61,8 @@ var (
 	activeConfig = &config.Config{}
 )
 
-// Reads builtime vars and returns a full string containing info about
-// the currently running version of the software. Primarily used by the
-// --version flag at runtime.
-func getVersionString() string {
-
-	var versionstr string
-
-	versionstr = "GLauth"
-
-	// Notate the git context of the build
-	switch {
-	// If a release, use the tag
-	case GitClean == "1" && GitTagIsCommit == "1":
-		versionstr += " " + LastGitTag + "\n\n"
-
-	// If this branch had a tag before, mention the branch and the tag to give a rough idea of the base version
-	case len(GitBranch) > 1 && len(LastGitTag) > 1:
-		versionstr += "\nNon-release build from branch " + GitBranch + ", based on tag " + LastGitTag + "\n\n"
-
-	// If no previous tag specified, just mention the branch
-	case len(GitBranch) > 1:
-		versionstr += "\nNon-release build from branch " + GitBranch + "\n\n"
-
-	// Fallback message, if all else fails
-	default:
-		versionstr += "\nNon-release build\n\n"
-	}
-
-	// Include build time
-	if len(BuildTime) > 1 {
-		versionstr += "Build time: " + BuildTime + "\n"
-	}
-
-	// Add commit hash
-	if GitClean == "1" && len(GitCommit) > 1 {
-		versionstr += "Commit: " + GitCommit + "\n"
-	}
-
-	return versionstr
-
-}
-
 func main() {
+
 	if err := parseArgs(); err != nil {
 		fmt.Println("Could not parse command-line arguments")
 		fmt.Println(err)
@@ -119,15 +74,35 @@ func main() {
 			checkConfig = true
 		}
 	}
-	if err := doConfig(checkConfig); err != nil {
+
+	cfg, err := toml.NewConfig(checkConfig, getConfigLocation(), args)
+
+	if err != nil {
 		fmt.Println("Configuration file error")
 		fmt.Println(err)
 		os.Exit(1)
 	}
+
 	if checkConfig {
 		fmt.Println("Config file seems ok (but I am not checking much at this time)")
 		return
 	}
+
+	if err := copier.Copy(activeConfig, cfg); err != nil {
+		log.Info().Err(err).Msg("Could not save reloaded config. Holding on to old config")
+	}
+
+	log = logging.InitLogging(activeConfig.Debug, activeConfig.Syslog, activeConfig.StructuredLog)
+
+	if !checkConfig {
+		if cfg.Debug {
+			log.Info().Msg("Debugging enabled")
+		}
+		if cfg.Syslog {
+			log.Info().Msg("Syslog enabled")
+		}
+	}
+
 	log.Info().Msg("AP start")
 
 	startService()
@@ -135,7 +110,7 @@ func main() {
 
 func startService() {
 	// stats
-	stats.General.Set("version", stats.Stringer(LastGitTag))
+	stats.General.Set("version", stats.Stringer(version.Version))
 
 	// web API
 	if activeConfig.API.Enabled {
@@ -155,46 +130,75 @@ func startService() {
 		)
 	}
 
+	monitor := monitoring.NewMonitor(&log)
+	tracer := tracing.NewTracer(
+		tracing.NewConfig(
+			activeConfig.Tracing.Enabled,
+			activeConfig.Tracing.GRPCEndpoint,
+			activeConfig.Tracing.HTTPEndpoint,
+			&log,
+		),
+	)
+
 	startConfigWatcher()
 
+	var err error
+	var tlsConfig *tls.Config
+	if c := activeConfig.LDAP; c.Enabled && c.TLS {
+		// TODO check if tls params are string or bytes and change config accordingly
+		tlsConfig, err = _tls.MakeTLS([]byte(c.TLSCert), []byte(c.TLSKey))
+
+		if err != nil {
+			log.Warn().Err(err).Msg("unable to configure TLS, proceeding without....StartTLS won't be supported")
+		}
+	}
+
 	s, err := server.NewServer(
 		server.Logger(log),
 		server.Config(activeConfig),
+		server.TLSConfig(tlsConfig),
+		server.Monitor(monitor),
+		server.Tracer(tracer),
 	)
+
 	if err != nil {
 		log.Error().Err(err).Msg("could not create server")
 		os.Exit(1)
 	}
 
 	if activeConfig.LDAP.Enabled {
-		// Don't block if also starting a LDAPS server afterwards
-		shouldBlock := !activeConfig.LDAPS.Enabled
-
-		if shouldBlock {
+		go func() {
 			if err := s.ListenAndServe(); err != nil {
 				log.Error().Err(err).Msg("could not start LDAP server")
 				os.Exit(1)
 			}
-		} else {
-			go func() {
-				if err := s.ListenAndServe(); err != nil {
-					log.Error().Err(err).Msg("could not start LDAP server")
-					os.Exit(1)
-				}
-			}()
-		}
+		}()
 	}
 
 	if activeConfig.LDAPS.Enabled {
-		// Always block here
-		if err := s.ListenAndServeTLS(); err != nil {
-			log.Error().Err(err).Msg("could not start LDAPS server")
-			os.Exit(1)
-		}
+		go func() {
+			if err := s.ListenAndServeTLS(); err != nil {
+				log.Error().Err(err).Msg("could not start LDAPS server")
+				os.Exit(1)
+			}
+		}()
 	}
 
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
+
+	// Block until we receive our signal.
+	<-c
+
+	// Doesn't block if no connections, but will otherwise wait
+	// until the timeout deadline.
+	s.Shutdown()
+
+	// Optionally, you could run srv.Shutdown in a goroutine and block on
+	// <-ctx.Done() if your application should wait for other services
+	// to finalize based on context cancellation.
 	log.Info().Msg("AP exit")
-	os.Exit(1)
+	os.Exit(0)
 }
 
 func startConfigWatcher() {
@@ -233,10 +237,17 @@ func startConfigWatcher() {
 					isChanged, isRemoved = true, false
 				}
 				if isChanged {
-					if err := doConfig(false); err != nil {
+
+					cfg, err := toml.NewConfig(false, configFileLocation, args)
+
+					if err != nil {
 						log.Info().Err(err).Msg("Could not reload config. Holding on to old config")
 					} else {
 						log.Info().Msg("Config was reloaded")
+
+						if err := copier.Copy(activeConfig, cfg); err != nil {
+							log.Info().Err(err).Msg("Could not save reloaded config. Holding on to old config")
+						}
 					}
 					isChanged = false
 				}
@@ -250,7 +261,7 @@ func startConfigWatcher() {
 func parseArgs() error {
 	var err error
 
-	if args, err = docopt.Parse(usage, nil, true, getVersionString(), false); err != nil {
+	if args, err = docopt.Parse(usage, nil, true, version.GetVersion(), false); err != nil {
 		return err
 	}
 
@@ -260,522 +271,3 @@ func parseArgs() error {
 func getConfigLocation() string {
 	return args["--config"].(string)
 }
-
-func parseConfigFile(configFileLocation string) (*config.Config, error) {
-	cfg := config.Config{}
-	// setup defaults
-	cfg.LDAP.Enabled = false
-	cfg.LDAPS.Enabled = true
-
-	// parse the config file
-	if strings.HasPrefix(configFileLocation, "s3://") {
-		if _, present := aws.Regions[args["-r"].(string)]; present == false {
-			return &cfg, fmt.Errorf("invalid AWS region: %s", args["-r"])
-		}
-		region := aws.Regions[args["-r"].(string)]
-		auth, err := aws.EnvAuth()
-		if err != nil {
-			if args["-K"] == nil || args["-S"] == nil {
-				return &cfg, fmt.Errorf("AWS credentials not found: must use -K and -S flags, or set these env vars:\n\texport AWS_ACCESS_KEY_ID=\"AAA...\"\n\texport AWS_SECRET_ACCESS_KEY=\"BBBB...\"\n")
-			}
-			auth = aws.Auth{
-				AccessKey: args["-K"].(string),
-				SecretKey: args["-S"].(string),
-			}
-		}
-		// parse S3 url
-		s3url := strings.TrimPrefix(configFileLocation, "s3://")
-		parts := strings.SplitN(s3url, "/", 2)
-		if len(parts) != 2 {
-			return &cfg, fmt.Errorf("invalid S3 URL: %s", s3url)
-		}
-		b, err := s3.New(auth, region).Bucket(parts[0])
-		if err != nil {
-			return &cfg, err
-		}
-		tomlData, err := b.Get(parts[1])
-		if err != nil {
-			return &cfg, err
-		}
-		if _, err := toml.Decode(string(tomlData), &cfg); err != nil {
-			return &cfg, err
-		}
-	} else { // local config file
-		fInfo, err := os.Stat(configFileLocation)
-		if err != nil {
-			return &cfg, fmt.Errorf("non-existent config path: %s", configFileLocation)
-		}
-
-		var md toml.MetaData
-
-		if fInfo.IsDir() { // multiple files in a directory
-			rawCfgStruct := make(map[string]interface{})
-
-			// To keep things simple, we are not going to use the default values built in Cfg
-			// so far (LDAP.Enabled, LDAPS.Enabled, etc) so do not forget to specify them!
-			/*
-				sourcebuf := new(bytes.Buffer)
-				err = toml.NewEncoder(sourcebuf).Encode(cfg)
-				if err != nil {
-					return &cfg, err
-				}
-				var initialRawCfgStruct interface{}
-				if err := toml.Unmarshal(sourcebuf.Bytes(), &initialRawCfgStruct); err != nil {
-					return &cfg, err
-				}
-				if err = mergeConfigs(&rawCfgStruct, initialRawCfgStruct); err != nil {
-					return &cfg, err
-				}
-			*/
-
-			files, _ := ioutil.ReadDir(configFileLocation)
-			for _, f := range files {
-				canonicalName := filepath.Join(configFileLocation, f.Name())
-
-				bs, _ := ioutil.ReadFile(canonicalName)
-				var curRawCfgStruct interface{}
-				if err := toml.Unmarshal(bs, &curRawCfgStruct); err != nil {
-					return &cfg, err
-				}
-				if err = mergeConfigs(&rawCfgStruct, curRawCfgStruct); err != nil {
-					return &cfg, err
-				}
-			}
-
-			destbuf := new(bytes.Buffer)
-			err = toml.NewEncoder(destbuf).Encode(rawCfgStruct)
-			if err != nil {
-				return &cfg, err
-			}
-			fmt.Println(destbuf.String())
-			merged := config.Config{}
-			if md, err = toml.Decode(destbuf.String(), &merged); err != nil {
-				return &cfg, err
-			}
-			cfg = merged
-		} else {
-			md, err = toml.DecodeFile(configFileLocation, &cfg)
-			if err != nil {
-				return &cfg, err
-			}
-		}
-
-		switch users := md.Mappings()["users"].(type) {
-		case []map[string]interface{}:
-			for _, mduser := range users {
-				if mduser["customattributes"] != nil {
-					for idx, cfguser := range cfg.Users {
-						if cfguser.Name == mduser["name"].(string) {
-							switch attributes := mduser["customattributes"].(type) {
-							case []map[string]interface{}:
-								cfg.Users[idx].CustomAttrs = attributes[0]
-							case map[string]interface{}:
-								cfg.Users[idx].CustomAttrs = attributes
-							default:
-								log.Info().Interface("attributes", attributes).Msg("Unknown attribute structure in config file")
-							}
-							break
-						}
-					}
-				}
-			}
-		}
-
-	}
-
-	// Backward Compability
-	if cfg.Backend.Datastore != "" {
-		if cfg.Backends != nil {
-			return &cfg, fmt.Errorf("you cannot specify both [Backend] and [[Backends]] directives in the same configuration ")
-		} else {
-			cfg.Backends = append(cfg.Backends, cfg.Backend)
-		}
-	}
-
-	// Patch with default values where not specified
-	for i := range cfg.Backends {
-		if cfg.Backends[i].NameFormat == "" {
-			cfg.Backends[i].NameFormat = "cn"
-		}
-		if cfg.Backends[i].GroupFormat == "" {
-			cfg.Backends[i].GroupFormat = "ou"
-		}
-		if cfg.Backends[i].SSHKeyAttr == "" {
-			cfg.Backends[i].SSHKeyAttr = "sshPublicKey"
-		}
-	}
-	//
-
-	return &cfg, nil
-}
-
-func mergeConfigs(config1 interface{}, config2 interface{}) error {
-	var merger func(int, string, interface{}, interface{}) error
-	merger = func(depth int, keyName string, cfg1 interface{}, cfg2 interface{}) error {
-		//fmt.Println(strings.Repeat("    ", depth), "Handling element: ", keyName, " for: ", cfg2)
-		switch element2 := cfg2.(type) {
-		case map[string]interface{}:
-			//fmt.Println(strings.Repeat("     ", depth), " - A map")
-			element2, ok := cfg2.(map[string]interface{})
-			if !ok {
-				return fmt.Errorf("config source: %s is not a map", keyName)
-			}
-			element1, ok := cfg1.(*map[string]interface{})
-			if !ok {
-				return fmt.Errorf("config dest: %s is not a map", keyName)
-			}
-			for k, _ := range element2 {
-				//fmt.Println(strings.Repeat("     ", depth), "  - key: ", k)
-				_, ok := (*element1)[k]
-				if !ok {
-					(*element1)[k] = element2[k]
-				} else {
-					//fmt.Println(strings.Repeat("     ", depth), "  - merging: ", element2[k])
-					asanarrayptr, ok := (*element1)[k].([]map[string]interface{})
-					if ok {
-						if err := merger(depth+1, k, &asanarrayptr, element2[k]); err != nil {
-							return err
-						}
-						(*element1)[k] = asanarrayptr
-					} else {
-						asamapptr, ok := (*element1)[k].(map[string]interface{})
-						if ok {
-							if err := merger(depth+1, k, &asamapptr, element2[k]); err != nil {
-								return err
-							}
-							(*element1)[k] = asamapptr
-						} else {
-							return fmt.Errorf("config dest: %s does not make a valid map/array ptr", keyName)
-						}
-					}
-				}
-			}
-		case []map[string]interface{}:
-			//fmt.Println(strings.Repeat("     ", depth), " - An array")
-			element2, ok := cfg2.([]map[string]interface{})
-			if !ok {
-				return fmt.Errorf("config source: %s is not a map array", keyName)
-			}
-			//fmt.Println(strings.Repeat("     ", depth), "  - element2: ", element2)
-			element1, ok := cfg1.(*[]map[string]interface{})
-			if !ok {
-				return fmt.Errorf("config dest: %s is not a map array", keyName)
-			}
-			//fmt.Println(strings.Repeat("     ", depth), "  - element1: ", element1)
-			for index, _ := range element2 {
-				*element1 = append(*element1, element2[index])
-			}
-		case string:
-			//fmt.Println(strings.Repeat("     ", depth), " - A string")
-			element2, ok := cfg2.(string)
-			if !ok {
-				return fmt.Errorf("config: %s is not a string", keyName)
-			}
-		case bool:
-			//fmt.Println(strings.Repeat("     ", depth), " - A boolean")
-			element2, ok := cfg2.(bool)
-			if !ok {
-				return fmt.Errorf("config: %s is not a boolean value", keyName)
-			}
-		case float64:
-			//fmt.Println(strings.Repeat("     ", depth), " - A float64")
-			element2, ok := cfg2.(float64)
-			if !ok {
-				return fmt.Errorf("config: %s is not a float64 value", keyName)
-			}
-		case nil:
-			//fmt.Println(strings.Repeat("     ", depth), " - Nil")
-		default:
-			log.Info().Str("type", reflect.TypeOf(element2).String()).Msg("Unknown element type found in configuration file. Ignoring.")
-		}
-		return nil
-	}
-
-	err := merger(0, "TOP", config1, config2)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func mergeConfigsO(config1 interface{}, config2 interface{}) (interface{}, error) {
-	var merger func(int, string, interface{}, interface{}) (interface{}, error)
-	merger = func(depth int, keyName string, cfg1 interface{}, cfg2 interface{}) (interface{}, error) {
-		var returnElement interface{}
-		fmt.Println(strings.Repeat("    ", depth), "Handling element: ", keyName, " for: ", cfg1)
-		switch element1 := cfg1.(type) {
-		case map[string]interface{}:
-			element2, ok := cfg2.(map[string]interface{})
-			if !ok {
-				return nil, fmt.Errorf("config: %s is not a map", keyName)
-			}
-			for k, value2 := range element2 {
-				value1, ok := element1[k]
-				if !ok {
-					return nil, fmt.Errorf("config: %s not found in at least one config file", k)
-				}
-				merged, err := merger(depth+1, k, value1, value2)
-				if err != nil {
-					return merged, err
-				}
-				element1[k] = merged
-			}
-			returnElement = element1
-		case string:
-			element2, ok := cfg2.(string)
-			if !ok {
-				return nil, fmt.Errorf("config: %s is not a string", keyName)
-			}
-			if element2 != "" {
-				element1 = element2
-			}
-			returnElement = element1
-		case bool:
-			element2, ok := cfg2.(bool)
-			if !ok {
-				return nil, fmt.Errorf("config: %s is not a boolean value", keyName)
-			}
-			if element2 {
-				element1 = true
-			}
-			returnElement = element1
-		case float64:
-			element2, ok := cfg2.(float64)
-			if !ok {
-				return nil, fmt.Errorf("config: %s is not a float64 value", keyName)
-			}
-			if element2 != 0 {
-				element1 = element2
-			}
-			returnElement = element1
-		case nil:
-			if cfg2 == nil {
-				returnElement = nil
-			} else {
-				element2, ok := cfg2.(map[string]interface{})
-				if ok {
-					returnElement = element2
-				} else {
-					element3, ok := cfg2.([]interface{})
-					if ok {
-						returnElement = element3
-					} else {
-						log.Info().Msg("Unexpected interface type for an assignment. Ignoring.")
-						returnElement = element1
-					}
-				}
-			}
-		default:
-			log.Info().Str("type", reflect.TypeOf(element1).String()).Msg("Unknown element type found in configuration file. Ignoring.")
-			returnElement = element1
-		}
-		fmt.Println(strings.Repeat("    ", depth), "Done with element: ", keyName, " for: ", returnElement)
-		return returnElement, nil
-	}
-
-	/*
-		flattenedConfig1, _ := json.Marshal(config1)
-		var jsonConfig1 interface{}
-		//json.Unmarshal(flattenedConfig1, &jsonConfig1)
-		d1 := json.NewDecoder(bytes.NewReader(flattenedConfig1))
-		d1.UseNumber()
-		if err := d1.Decode(&jsonConfig1); err != nil {
-			return config1, err
-		}
-
-		flattenedConfig2, _ := json.Marshal(config2)
-		var jsonConfig2 interface{}
-		//json.Unmarshal(flattenedConfig2, &jsonConfig2)
-		//spew.Dump(jsonConfig2)
-		d2 := json.NewDecoder(bytes.NewReader(flattenedConfig2))
-		d2.UseNumber()
-		if err := d2.Decode(&jsonConfig2); err != nil {
-			return config1, err
-		}
-	*/
-
-	blocks, err := merger(0, "TOP", config1, config2)
-	if err != nil {
-		return config1, err
-	}
-	//
-	//
-	// TODO: return blocks... we will convert back to toml when we are done merging!
-
-	//
-	buf := new(bytes.Buffer)
-	err = toml.NewEncoder(buf).Encode(blocks)
-	if err != nil {
-		return config1, err
-	}
-	fmt.Println(buf.String())
-	merged := config.Config{}
-	if _, err := toml.Decode(buf.String(), &merged); err != nil {
-		return config1, err
-	}
-	return merged, nil
-}
-
-func handleArgs(cfg config.Config) (*config.Config, error) {
-	// LDAP flags
-	if ldap, ok := args["--ldap"].(string); ok && ldap != "" {
-		cfg.LDAP.Enabled = true
-		cfg.LDAP.Listen = ldap
-	}
-
-	// LDAPS flags
-	if ldaps, ok := args["--ldaps"].(string); ok && ldaps != "" {
-		cfg.LDAPS.Enabled = true
-		cfg.LDAPS.Listen = ldaps
-	}
-	if ldapsCert, ok := args["--ldaps-cert"].(string); ok && ldapsCert != "" {
-		cfg.LDAPS.Cert = ldapsCert
-	}
-	if ldapsKey, ok := args["--ldaps-key"].(string); ok && ldapsKey != "" {
-		cfg.LDAPS.Key = ldapsKey
-	}
-
-	return &cfg, nil
-}
-
-func handleLegacyConfig(cfg config.Config) (*config.Config, error) {
-	if len(cfg.Frontend.Listen) > 0 && (len(cfg.LDAP.Listen) > 0 || len(cfg.LDAPS.Listen) > 0) {
-		// Both old server-config and new - dont allow
-		return &cfg, fmt.Errorf("both old and new server-config in use - please remove old format ([frontend]) and migrate to new format ([ldap], [ldaps])")
-	}
-
-	if len(cfg.Frontend.Listen) > 0 {
-		// We're going with old format - parse it into new
-		log.Info().Msg("Config [frontend] is deprecated - please move to [ldap] and [ldaps] as-per documentation")
-
-		cfg.LDAP.Enabled = !cfg.Frontend.TLS
-		cfg.LDAPS.Enabled = cfg.Frontend.TLS
-
-		if cfg.Frontend.TLS {
-			cfg.LDAPS.Listen = cfg.Frontend.Listen
-		} else {
-			cfg.LDAP.Listen = cfg.Frontend.Listen
-		}
-
-		if len(cfg.Frontend.Cert) > 0 {
-			cfg.LDAPS.Cert = cfg.Frontend.Cert
-		}
-		if len(cfg.Frontend.Key) > 0 {
-			cfg.LDAPS.Key = cfg.Frontend.Key
-		}
-	}
-	return &cfg, nil
-}
-func validateConfig(cfg config.Config) (*config.Config, error) {
-
-	if !cfg.LDAP.Enabled && !cfg.LDAPS.Enabled {
-		return &cfg, fmt.Errorf("no server configuration found: please provide either LDAP or LDAPS configuration")
-	}
-
-	if cfg.LDAPS.Enabled {
-		// LDAPS enabled - verify requirements (cert, key, listen)
-		if len(cfg.LDAPS.Cert) == 0 || len(cfg.LDAPS.Key) == 0 {
-			return &cfg, fmt.Errorf("LDAPS was enabled but no certificate or key were specified: please disable LDAPS or use the 'cert' and 'key' options")
-		}
-
-		if len(cfg.LDAPS.Listen) == 0 {
-			return &cfg, fmt.Errorf("no LDAPS bind address was specified: please disable LDAPS or use the 'listen' option")
-		}
-	}
-
-	if cfg.LDAP.Enabled {
-		// LDAP enabled - verify listen
-		if len(cfg.LDAP.Listen) == 0 {
-			return &cfg, fmt.Errorf("no LDAP bind address was specified: please disable LDAP or use the 'listen' option")
-		}
-	}
-
-	//spew.Dump(cfg)
-	for i := range cfg.Backends {
-		switch cfg.Backends[i].Datastore {
-		case "":
-			cfg.Backends[i].Datastore = "config"
-		case "config":
-		case "ldap":
-		case "owncloud":
-		case "plugin":
-		default:
-			return &cfg, fmt.Errorf("invalid backend %s - must be 'config', 'ldap', 'owncloud' or 'plugin'", cfg.Backends[i].Datastore)
-		}
-	}
-
-	// TODO: remove after deprecating UnixID on User and Group
-	for _, user := range cfg.Users {
-		if user.UnixID != 0 {
-			user.UIDNumber = user.UnixID
-			log.Info().Msg(fmt.Sprintf("User '%s': 'unixid' is deprecated - please move to 'uidnumber' as per documentation", user.Name))
-		}
-	}
-	for _, group := range cfg.Groups {
-		if group.UnixID != 0 {
-			group.GIDNumber = group.UnixID
-			log.Info().Msg(fmt.Sprintf("Group '%s': 'unixid' is deprecated - please move to 'gidnumber' as per documentation", group.Name))
-		}
-	}
-
-	return &cfg, nil
-}
-
-// doConfig reads the cli flags and config file
-func doConfig(checkConfig bool) error {
-	// Parse config-file into config{} struct
-	cfg, err := parseConfigFile(getConfigLocation())
-	if err != nil {
-		return err
-	}
-
-	// Handle parsed flags
-	cfg, err = handleArgs(*cfg)
-	if err != nil {
-		return err
-	}
-
-	// Handle parsing of legacy [frontend] section into [ldap] and/or [ldaps] sections
-	cfg, err = handleLegacyConfig(*cfg)
-	if err != nil {
-		return err
-	}
-
-	cfg, err = validateConfig(*cfg)
-	if err != nil {
-		return err
-	}
-
-	// Before greenlighting new config entirely, lets make sure the yubiauth works - in case they changed
-	if activeConfig.YubikeyClientID != cfg.YubikeyClientID || activeConfig.YubikeySecret != cfg.YubikeySecret {
-		if len(cfg.YubikeyClientID) > 0 && len(cfg.YubikeySecret) > 0 {
-			_yubiAuth, err := yubigo.NewYubiAuth(cfg.YubikeyClientID, cfg.YubikeySecret)
-			if err != nil {
-				return err
-			}
-
-			// No errors, override
-			yubiAuth = _yubiAuth
-		}
-	}
-
-	// All config is validated and alright, copy to activeConfig
-	if err := copier.Copy(activeConfig, cfg); err != nil {
-		return err
-	}
-
-	// Handle logging settings for new config
-	// - we do this last to make sure we only respect a fully validated config
-	log = logging.InitLogging(activeConfig.Debug, activeConfig.Syslog, activeConfig.StructuredLog)
-
-	if !checkConfig {
-		if activeConfig.Debug {
-			log.Info().Msg("Debugging enabled")
-		}
-		if activeConfig.Syslog {
-			log.Info().Msg("Syslog enabled")
-		}
-	}
-
-	return nil
-}

v2/glauth_test.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"os"
 	"os/exec"
 	"strings"
 	"testing"
@@ -26,50 +27,61 @@ type testEnv struct {
 
 func TestIntegerStuff(t *testing.T) {
 
-	Convey("Testing sample-simple local file-based LDAP server", t, func() {
-		svc := startSvc(SD, "bin/glauth", "-c", "sample-simple.cfg")
-		batteryOfTests(
-			t,
-			svc, testEnv{
-				checkanonymousrootDSE: true,
-				checkTOTP:             true,
-				checkbindUPN:          true,
-				expectedinfo:          "supportedLDAPVersion: 3",
-				svcdn:                 "cn=serviceuser,ou=svcaccts,dc=glauth,dc=com",
-				svcdnnogroup:          "cn=serviceuser,dc=glauth,dc=com",
-				otpdn:                 "cn=otpuser,ou=superheros,dc=glauth,dc=com",
-				expectedaccount:       "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
-				scopedaccount:         "dn: cn=hackers,ou=superheros,dc=glauth,dc=com",
-				expectedfirstaccount:  "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
-				expectedgroup:         "dn: ou=superheros,ou=users,dc=glauth,dc=com",
-				checkemployeetype:     "cn=hackers",
-			})
-		stopSvc(svc)
-	})
+	Convey("Preflight: Testing pre-requisites", t, func() {
+		Convey("bin/glauth should exist", func() {
+			info, err := os.Stat("bin/glauth")
+			So(err, ShouldEqual, nil)
+			Convey("bin/glauth should be executable", func() {
+				mode := uint32(info.Mode())
+				So(mode&0b001001001, ShouldNotEqual, 0)
 
-	matchingLibrary := doRunGetFirst(RD, "ls", "bin/sqlite.so")
-	if matchingLibrary == "bin/sqlite.so" {
-		Convey("Testing sample-database LDAP server", t, func() {
-			svc := startSvc(SD, "bin/glauth", "-c", "pkg/plugins/sample-database.cfg")
-			batteryOfTests(
-				t,
-				svc, testEnv{
-					checkanonymousrootDSE: true,
-					checkTOTP:             false,
-					checkbindUPN:          true,
-					expectedinfo:          "supportedLDAPVersion: 3",
-					svcdn:                 "cn=serviceuser,ou=svcaccts,dc=glauth,dc=com",
-					svcdnnogroup:          "cn=serviceuser,dc=glauth,dc=com",
-					otpdn:                 "cn=otpuser,ou=superheros,dc=glauth,dc=com",
-					expectedaccount:       "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
-					scopedaccount:         "dn: cn=hackers,ou=superheros,dc=glauth,dc=com",
-					expectedfirstaccount:  "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
-					expectedgroup:         "dn: ou=superheros,ou=users,dc=glauth,dc=com",
-					checkemployeetype:     "",
+				Convey("Testing sample-simple local file-based LDAP server", func() {
+					svc := startSvc(SD, "bin/glauth", "-c", "sample-simple.cfg")
+					batteryOfTests(
+						t,
+						svc, testEnv{
+							checkanonymousrootDSE: true,
+							checkTOTP:             true,
+							checkbindUPN:          true,
+							expectedinfo:          "supportedLDAPVersion: 3",
+							svcdn:                 "cn=serviceuser,ou=svcaccts,dc=glauth,dc=com",
+							svcdnnogroup:          "cn=serviceuser,dc=glauth,dc=com",
+							otpdn:                 "cn=otpuser,ou=superheros,dc=glauth,dc=com",
+							expectedaccount:       "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
+							scopedaccount:         "dn: cn=hackers,ou=superheros,dc=glauth,dc=com",
+							expectedfirstaccount:  "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
+							expectedgroup:         "dn: ou=superheros,ou=users,dc=glauth,dc=com",
+							checkemployeetype:     "cn=hackers",
+						})
+					stopSvc(svc)
 				})
-			stopSvc(svc)
+
+				matchingLibrary := doRunGetFirst(RD, "ls", "bin/sqlite.so")
+				if matchingLibrary == "bin/sqlite.so" {
+					Convey("Testing sample-database LDAP server", func() {
+						svc := startSvc(SD, "bin/glauth", "-c", "pkg/plugins/sample-database.cfg")
+						batteryOfTests(
+							t,
+							svc, testEnv{
+								checkanonymousrootDSE: true,
+								checkTOTP:             false,
+								checkbindUPN:          true,
+								expectedinfo:          "supportedLDAPVersion: 3",
+								svcdn:                 "cn=serviceuser,ou=svcaccts,dc=glauth,dc=com",
+								svcdnnogroup:          "cn=serviceuser,dc=glauth,dc=com",
+								otpdn:                 "cn=otpuser,ou=superheros,dc=glauth,dc=com",
+								expectedaccount:       "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
+								scopedaccount:         "dn: cn=hackers,ou=superheros,dc=glauth,dc=com",
+								expectedfirstaccount:  "dn: cn=hackers,ou=superheros,ou=users,dc=glauth,dc=com",
+								expectedgroup:         "dn: ou=superheros,ou=users,dc=glauth,dc=com",
+								checkemployeetype:     "",
+							})
+						stopSvc(svc)
+					})
+				}
+			})
 		})
-	}
+	})
 
 	matchingContainers := doRunGetFirst(RD, "sh", "-c", "docker ps | grep openldap-service | wc -l")
 	if matchingContainers == "1" {

v2/go.mod

@@ -1,44 +1,63 @@
 module github.com/glauth/glauth/v2
 
-go 1.19
-
-// Do not mistake /vendored for /vendor!
-replace github.com/hydronica/toml => ./vendored/toml
+go 1.21
 
 require (
+	github.com/BurntSushi/toml v1.3.2
 	github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e
-	github.com/arl/statsviz v0.4.0
+	github.com/arl/statsviz v0.6.0
 	github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
-	github.com/fsnotify/fsnotify v1.4.9
-	github.com/hydronica/toml v0.4.2
-	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a
-	github.com/nmcclain/ldap v0.0.0-20210720162743-7f8d1e44eeba
-	github.com/pquerna/otp v1.3.0
-	github.com/prometheus/client_golang v1.13.0
-	github.com/rs/zerolog v1.28.0
-	github.com/smartystreets/goconvey v1.6.4
-	github.com/yaegashi/msgraph.go v0.1.1-0.20200221123608-2d438cf2a7cc
-	golang.org/x/crypto v0.1.0
+	github.com/fsnotify/fsnotify v1.7.0
+	github.com/glauth/ldap v0.0.0-20231210225823-b9bf4d1baf6e
+	github.com/jinzhu/copier v0.4.0
+	github.com/pquerna/otp v1.4.0
+	github.com/prometheus/client_golang v1.17.0
+	github.com/prometheus/client_model v0.5.0
+	github.com/rs/zerolog v1.31.0
+	github.com/smartystreets/goconvey v1.8.1
+	github.com/uptrace/opentelemetry-go-extra/otelsql v0.2.3
+	github.com/yaegashi/msgraph.go v0.1.4
+	go.opentelemetry.io/contrib/propagators/jaeger v1.21.1
+	go.opentelemetry.io/otel v1.21.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.21.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.21.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.21.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.21.0
+	go.opentelemetry.io/otel/sdk v1.21.0
+	go.opentelemetry.io/otel/trace v1.21.0
+	go.uber.org/mock v0.3.0
+	golang.org/x/crypto v0.16.0
 	gopkg.in/amz.v3 v3.0.0-20201001071545-24fc1eceb27b
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/boombuler/barcode v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
+	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/go-asn1-ber/asn1-ber v1.5.4 // indirect
+	github.com/go-logr/logr v1.3.0 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/gopherjs/gopherjs v1.17.2 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
 	github.com/jtolds/gls v4.20.0+incompatible // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/nmcclain/asn1-ber v0.0.0-20170104154839-2661553a0484 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect
-	golang.org/x/sys v0.1.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/procfs v0.11.1 // indirect
+	github.com/rickb777/date v1.12.4 // indirect
+	github.com/rickb777/plural v1.2.0 // indirect
+	github.com/smarty/assertions v1.15.0 // indirect
+	go.opentelemetry.io/otel/metric v1.21.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/grpc v1.59.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 )

v2/go.sum

@@ -1,534 +1,173 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
+github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e h1:Bqtt5C+uVk+vH/t5dmB47uDCTwxw16EYHqvJnmY2aQc=
 github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e/go.mod h1:njRCDrl+1RQ/A/+KVU8Ho2EWAxUSkohOWczdW3dzDG0=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/arl/statsviz v0.4.0 h1:pv8DWfti0TC8M2Baold2xGnCnir9jhqv1BO6UNKQmqY=
-github.com/arl/statsviz v0.4.0/go.mod h1:+5inUy/dxy11x/KSmicG3ZrEEy0Yr81AFm3dn4QC04M=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/arl/statsviz v0.6.0 h1:jbW1QJkEYQkufd//4NDYRSNBpwJNrdzPahF7ZmoGdyE=
+github.com/arl/statsviz v0.6.0/go.mod h1:0toboo+YGSUXDaS4g1D5TVS4dXs7S7YYT5J/qnW2h8s=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc h1:biVzkmvwrH8WK8raXaxBx6fRVTlJILwEwQGL1I/ByEI=
 github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
-github.com/boombuler/barcode v1.0.1 h1:NDBbPmhS+EqABEs5Kg3n/5ZNjy73Pz7SIV+KCeqyXcs=
-github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
-github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
+github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815 h1:bWDMxwH3px2JBh6AyO7hdCn/PkvCZXii8TGj7sbtEbQ=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
-github.com/go-kit/log v0.2.0/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
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v2/internal/monitoring/handlers.go

@@ -0,0 +1,28 @@
+package monitoring
+
+import (
+	"net/http"
+
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"github.com/rs/zerolog"
+)
+
+type API struct {
+	logger zerolog.Logger
+}
+
+func (a *API) RegisterEndpoints(router *http.ServeMux) {
+	router.HandleFunc("/metrics", a.prometheusHTTP)
+}
+
+func (a *API) prometheusHTTP(w http.ResponseWriter, r *http.Request) {
+	promhttp.Handler().ServeHTTP(w, r)
+}
+
+func NewAPI(logger zerolog.Logger) *API {
+	a := new(API)
+
+	a.logger = logger
+
+	return a
+}

v2/internal/monitoring/interfaces.go

@@ -0,0 +1,13 @@
+package monitoring
+
+import "github.com/glauth/ldap"
+
+type MonitorInterface interface {
+	SetResponseTimeMetric(map[string]string, float64) error
+	SetLDAPMetric(map[string]string, float64) error
+}
+
+type LDAPServerInterface interface {
+	SetStats(bool)
+	GetStats() ldap.Stats
+}

v2/internal/monitoring/ldap.go

@@ -0,0 +1,60 @@
+package monitoring
+
+import (
+	"time"
+
+	"github.com/rs/zerolog"
+)
+
+type LDAPMonitorWatcher struct {
+	syncTicker *time.Ticker
+
+	ldap LDAPServerInterface
+
+	monitor MonitorInterface
+	logger  *zerolog.Logger
+}
+
+func (m *LDAPMonitorWatcher) sync() {
+	for {
+		select {
+		case tick := <-m.syncTicker.C:
+			m.logger.Debug().Time("value", tick).Msg("Tick")
+			m.storeMetrics()
+		default:
+			continue
+		}
+	}
+}
+
+func (m *LDAPMonitorWatcher) storeMetrics() {
+	stats := m.ldap.GetStats()
+
+	if err := m.monitor.SetLDAPMetric(map[string]string{"type": "conns"}, float64(stats.Conns)); err != nil {
+		m.logger.Error().Err(err).Msg("failed to set metric")
+	}
+	if err := m.monitor.SetLDAPMetric(map[string]string{"type": "binds"}, float64(stats.Binds)); err != nil {
+		m.logger.Error().Err(err).Msg("failed to set metric")
+	}
+	if err := m.monitor.SetLDAPMetric(map[string]string{"type": "unbinds"}, float64(stats.Unbinds)); err != nil {
+		m.logger.Error().Err(err).Msg("failed to set metric")
+	}
+	if err := m.monitor.SetLDAPMetric(map[string]string{"type": "searches"}, float64(stats.Searches)); err != nil {
+		m.logger.Error().Err(err).Msg("failed to set metric")
+	}
+}
+
+func NewLDAPMonitorWatcher(ldap LDAPServerInterface, monitor MonitorInterface, logger *zerolog.Logger) *LDAPMonitorWatcher {
+	m := new(LDAPMonitorWatcher)
+
+	m.syncTicker = time.NewTicker(15 * time.Second)
+	m.ldap = ldap
+	m.monitor = monitor
+	m.logger = logger
+
+	m.ldap.SetStats(true)
+
+	go m.sync()
+
+	return m
+}

v2/internal/monitoring/ldap_test.go

@@ -0,0 +1,36 @@
+package monitoring
+
+import (
+	"testing"
+	"time"
+
+	"github.com/glauth/ldap"
+	"github.com/rs/zerolog"
+	"go.uber.org/mock/gomock"
+)
+
+//go:generate mockgen -build_flags=--mod=mod -package monitoring -destination ./mock_interfaces.go -source=./interfaces.go
+
+func TestNewLDAPMonitorWatcherRunsOnASchedule(t *testing.T) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	mockMonitor := NewMockMonitorInterface(ctrl)
+	mockLDAPServer := NewMockLDAPServerInterface(ctrl)
+
+	stats := ldap.Stats{}
+
+	mockLDAPServer.EXPECT().SetStats(true).Times(1)
+	mockLDAPServer.EXPECT().GetStats().MinTimes(1).Return(stats)
+	mockMonitor.EXPECT().SetLDAPMetric(map[string]string{"type": "conns"}, float64(0)).MinTimes(1)
+	mockMonitor.EXPECT().SetLDAPMetric(map[string]string{"type": "binds"}, float64(0)).MinTimes(1)
+	mockMonitor.EXPECT().SetLDAPMetric(map[string]string{"type": "unbinds"}, float64(0)).MinTimes(1)
+	mockMonitor.EXPECT().SetLDAPMetric(map[string]string{"type": "searches"}, float64(0)).MinTimes(1)
+
+	logger := zerolog.Nop()
+	m := NewLDAPMonitorWatcher(mockLDAPServer, mockMonitor, &logger)
+
+	m.syncTicker = time.NewTicker(5 * time.Microsecond)
+
+	// allow goroutine to start and ticker to tick
+	time.Sleep(10 * time.Millisecond)
+}

v2/internal/monitoring/v0.go

@@ -0,0 +1,139 @@
+package monitoring
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"regexp"
+	"strings"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+// The code below liberally borrows from https://github.com/albertito/prometheus-expvar-exporter
+// and is adapted (just a little) for our purpose.
+
+type Collector struct {
+	url       string
+	names     map[string]string
+	helps     map[string]string
+	labelName map[string]string
+}
+
+func (c *Collector) Describe(ch chan<- *prometheus.Desc) {
+	return
+}
+
+func (c *Collector) Collect(ch chan<- prometheus.Metric) {
+	resp, err := http.Get(c.url)
+	if err != nil {
+		log.Printf("Error scraping %q: %v", c.url, err)
+		return
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Printf("Error reading body of %q: %v", c.url, err)
+		return
+	}
+
+	// Replace "\xNN" with "?" because the default parser doesn't handle them
+	// well.
+	re := regexp.MustCompile(`\\x..`)
+	body = re.ReplaceAllFunc(body, func(s []byte) []byte {
+		return []byte("?")
+	})
+
+	var vs map[string]interface{}
+	err = json.Unmarshal(body, &vs)
+	if err != nil {
+		log.Printf("Error unmarshalling json from %q: %v", c.url, err)
+		return
+	}
+
+	for k, v := range vs {
+		name := strings.ReplaceAll(k, "/", "_")
+		if n, ok := c.names[k]; ok {
+			name = n
+		}
+
+		help := fmt.Sprintf("expvar %q", k)
+		if h, ok := c.helps[k]; ok {
+			help = h
+		}
+
+		lnames := []string{}
+		if ln, ok := c.labelName[k]; ok {
+			lnames = append(lnames, ln)
+		}
+
+		desc := prometheus.NewDesc(name, help, lnames, nil)
+
+		switch v := v.(type) {
+		case float64:
+			ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue, v)
+		case bool:
+			ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue,
+				valToFloat(v))
+		case map[string]interface{}:
+			// We only support explicitly written label names.
+			if len(lnames) != 1 {
+				continue
+			}
+			for lk, lv := range v {
+				ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue,
+					valToFloat(lv), lk)
+			}
+		case string:
+			// Not supported by Prometheus.
+			continue
+		case []interface{}:
+			// Not supported by Prometheus.
+			continue
+		default:
+			continue
+		}
+	}
+}
+
+func NewCollector(url string) *Collector {
+	c := new(Collector)
+	c.url = url
+	c.names = map[string]string{
+		"proxy":          "glauth_proxy",
+		"proxy_frontend": "glauth_proxy_frontend",
+		"proxy_backend":  "glauth_proxy_backend",
+	}
+	c.helps = map[string]string{
+		"proxy":          "General Metrics",
+		"proxy_frontend": "Frontend Metrics",
+		"proxy_backend":  "Backend Metrics",
+	}
+	c.labelName = map[string]string{
+		"proxy":          "metric",
+		"proxy_frontend": "metric",
+		"proxy_backend":  "metric",
+	}
+
+	prometheus.MustRegister(c)
+
+	return c
+}
+
+func valToFloat(v interface{}) float64 {
+	switch v := v.(type) {
+	case float64:
+		return v
+	case bool:
+		if v {
+			return 1.0
+		}
+		return 0.0
+	case string:
+		return 0.0
+	}
+	log.Printf("unexpected value type: %#v", v)
+	return 0.0
+}

v2/internal/monitoring/v1.go

@@ -0,0 +1,109 @@
+package monitoring
+
+import (
+	"fmt"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/rs/zerolog"
+)
+
+type Monitor struct {
+	responseTime *prometheus.HistogramVec
+	ldapMetric   *prometheus.GaugeVec
+
+	logger *zerolog.Logger
+}
+
+func (m *Monitor) SetResponseTimeMetric(tags map[string]string, value float64) error {
+	if m.responseTime == nil {
+		return fmt.Errorf("metric not instantiated")
+	}
+
+	m.responseTime.With(tags).Observe(value)
+
+	return nil
+}
+
+func (m *Monitor) SetLDAPMetric(tags map[string]string, value float64) error {
+	if m.ldapMetric == nil {
+		return fmt.Errorf("metric not instantiated")
+	}
+
+	m.ldapMetric.With(tags).Set(value)
+
+	return nil
+}
+
+func (m *Monitor) constLabels() map[string]string {
+	return map[string]string{
+		"library": "github.com/glauth/glauth",
+	}
+
+}
+
+func (m *Monitor) registerHistograms() {
+	histograms := make([]*prometheus.HistogramVec, 0)
+
+	m.responseTime = prometheus.NewHistogramVec(
+		prometheus.HistogramOpts{
+			Name:        "tcp_response_time_seconds",
+			Help:        "tcp_response_time_seconds",
+			ConstLabels: m.constLabels(),
+		},
+		[]string{"operation", "status"},
+	)
+
+	histograms = append(histograms, m.responseTime)
+
+	for _, histogram := range histograms {
+		err := prometheus.Register(histogram)
+
+		switch err.(type) {
+		case nil:
+			return
+		case prometheus.AlreadyRegisteredError:
+			m.logger.Debug().Interface("metric", histogram).Msg("metric already registered")
+		default:
+			m.logger.Error().Interface("metric", histogram).Msg("metric could not be registered")
+		}
+	}
+}
+
+func (m *Monitor) registerGauges() {
+	gauges := make([]*prometheus.GaugeVec, 0)
+
+	m.ldapMetric = prometheus.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name:        "ldap_metric",
+			Help:        "ldap_metric",
+			ConstLabels: m.constLabels(),
+		},
+		[]string{"type"},
+	)
+
+	gauges = append(gauges, m.ldapMetric)
+
+	for _, gauge := range gauges {
+		err := prometheus.Register(gauge)
+
+		switch err.(type) {
+		case nil:
+			return
+		case prometheus.AlreadyRegisteredError:
+			m.logger.Debug().Interface("metric", gauge).Msg("metric already registered")
+		default:
+			m.logger.Error().Interface("metric", gauge).Msg("metric could not be registered")
+		}
+	}
+}
+
+func NewMonitor(logger *zerolog.Logger) *Monitor {
+	m := new(Monitor)
+
+	m.logger = logger
+
+	m.registerHistograms()
+	m.registerGauges()
+
+	return m
+}

v2/internal/monitoring/v1_test.go

@@ -0,0 +1,62 @@
+package monitoring
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/prometheus/client_golang/prometheus"
+	dto "github.com/prometheus/client_model/go"
+	"github.com/rs/zerolog"
+)
+
+func TestNewMonitorImplementsInterface(t *testing.T) {
+	logger := zerolog.Nop()
+	m := NewMonitor(&logger)
+
+	i := reflect.TypeOf((*MonitorInterface)(nil)).Elem()
+
+	if !reflect.TypeOf(m).Implements(i) {
+		t.Fatal("Monitor doesn't implement MonitorInterface")
+	}
+}
+
+func TestMonitorSetLDAPMetricSucceeds(t *testing.T) {
+	logger := zerolog.Nop()
+	m := NewMonitor(&logger)
+
+	labels := map[string]string{"type": "test"}
+	m.SetLDAPMetric(labels, float64(10))
+
+	mLDAPMetric := dto.Metric{}
+	m.ldapMetric.With(labels).Write(&mLDAPMetric)
+
+	if mLDAPMetric.GetGauge().GetValue() != float64(10) {
+		t.Fatalf("metric value should have been set to %v", float64(10))
+	}
+}
+
+func TestMonitorSetResponseTimeMetricSucceeds(t *testing.T) {
+	logger := zerolog.Nop()
+	m := NewMonitor(&logger)
+
+	labels := map[string]string{"operation": "test", "status": "0"}
+	m.SetResponseTimeMetric(labels, float64(10))
+
+	mResponseTimeMetric := dto.Metric{}
+	m.responseTime.With(labels).(prometheus.Metric).Write(&mResponseTimeMetric)
+
+	if mResponseTimeMetric.GetHistogram().GetSampleSum() != float64(10) {
+		t.Fatalf("metric value should have been set to %v", float64(10))
+	}
+
+	for _, bucket := range mResponseTimeMetric.GetHistogram().GetBucket() {
+		if bucket.GetUpperBound() < float64(10) && bucket.GetCumulativeCount() != 0 {
+			t.Fatal("there should be no count for this metric bucket")
+		}
+
+		if bucket.GetUpperBound() >= float64(10) && bucket.GetCumulativeCount() != 1 {
+			t.Fatal("there should be one entry into this metric bucket")
+		}
+
+	}
+}

v2/internal/tls/tls.go

@@ -0,0 +1,81 @@
+package tls
+
+import (
+	tls "crypto/tls"
+	"crypto/x509"
+	"encoding/pem"
+
+	"github.com/rs/zerolog"
+)
+
+var (
+	log zerolog.Logger
+)
+
+// MakeTLS generates a tls.Config
+func MakeTLS(clientCert, key []byte) (*tls.Config, error) {
+	if clientCert == nil && key == nil {
+		return new(tls.Config), nil
+	}
+
+	var err error
+
+	cert, err := tls.X509KeyPair(clientCert, key)
+
+	if err != nil {
+		return nil, err
+	}
+
+	log.Debug().Str("key", string(key))
+	log.Debug().Str("client.certificate", string(clientCert))
+	log.Debug().Interface("certificate", cert)
+
+	if err != nil {
+		return nil, err
+	}
+
+	// Get the SystemCertPool, continue with an empty pool on error
+	rootCAs, err := x509.SystemCertPool()
+
+	if rootCAs == nil {
+		rootCAs = x509.NewCertPool()
+		log.Warn().Err(err).Msg("Using empty cert-pool")
+	} else {
+		log.Info().Msg("Using system cert-pool")
+	}
+
+	for _, cert := range DecodePEM(clientCert).Certificate {
+		x509Cert, err := x509.ParseCertificate(cert)
+		if err != nil {
+			log.Error().Err(err).Msg("issue parsing cert PEM")
+		}
+		rootCAs.AddCert(x509Cert)
+	}
+
+	log.Debug().Interface("root.ca", rootCAs)
+	log.Debug().Interface("certificates", []tls.Certificate{cert})
+
+	return &tls.Config{
+		RootCAs:      rootCAs,
+		MinVersion:   tls.VersionTLS10,
+		MaxVersion:   tls.VersionTLS13,
+		Certificates: []tls.Certificate{cert},
+	}, nil
+}
+
+// DecodePEM builds a PEM certificate object
+func DecodePEM(certPEM []byte) tls.Certificate {
+	var cert tls.Certificate
+	var certDER *pem.Block
+	for {
+		certDER, certPEM = pem.Decode(certPEM)
+		if certDER == nil {
+			break
+		}
+		if certDER.Type == "CERTIFICATE" {
+			cert.Certificate = append(cert.Certificate, certDER.Bytes)
+		}
+	}
+
+	return cert
+}

v2/internal/toml/config.go

@@ -0,0 +1,453 @@
+package toml
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+
+	"github.com/BurntSushi/toml"
+	"github.com/GeertJohan/yubigo"
+	"github.com/glauth/glauth/v2/pkg/config"
+	"github.com/rs/zerolog/log"
+	"gopkg.in/amz.v3/aws"
+	"gopkg.in/amz.v3/s3"
+)
+
+type Config struct {
+	Users []toml.Primitive
+}
+
+type User struct {
+	Name             string
+	CustomAttributes []toml.Primitive
+}
+
+// NewConfig reads the cli flags and config file
+func NewConfig(checkConfig bool, location string, args map[string]interface{}) (*config.Config, error) {
+	// Parse config-file into config{} struct
+	cfg, err := parseConfigFile(location, args)
+	if err != nil {
+		return nil, err
+	}
+
+	// Handle parsed flags
+	cfg, err = handleArgs(cfg, args)
+	if err != nil {
+		return nil, err
+	}
+
+	// Handle parsing of legacy [frontend] section into [ldap] and/or [ldaps] sections
+	cfg, err = handleLegacyConfig(cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	cfg, err = validateConfig(cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO @shipperizer reinstate this
+	// // Before greenlighting new config entirely, lets make sure the yubiauth works - in case they changed
+
+	if _, err := yubigo.NewYubiAuth(cfg.YubikeyClientID, cfg.YubikeySecret); err != nil && len(cfg.YubikeyClientID) > 0 && len(cfg.YubikeySecret) > 0 {
+		return nil, err
+	}
+
+	return cfg, nil
+}
+
+func parseConfigFile(configFileLocation string, args map[string]interface{}) (*config.Config, error) {
+	cfg := new(config.Config)
+	// setup defaults
+	cfg.LDAP.Enabled = false
+	cfg.LDAPS.Enabled = true
+
+	// parse the config file
+	if strings.HasPrefix(configFileLocation, "s3://") {
+		region, present := aws.Regions[args["-r"].(string)]
+		if !present {
+			return cfg, fmt.Errorf("invalid AWS region: %s", args["-r"])
+		}
+		if args["--aws_endpoint_url"] != nil {
+			region = aws.Region{
+				Name:       "User defined",
+				S3Endpoint: args["--aws_endpoint_url"].(string),
+			}
+			present = true
+		}
+		auth, err := aws.EnvAuth()
+		if err != nil {
+			if args["-K"] == nil || args["-S"] == nil {
+				return cfg, fmt.Errorf("AWS credentials not found: must use -K and -S flags, or set these env vars:\n\texport AWS_ACCESS_KEY_ID=\"AAA...\"\n\texport AWS_SECRET_ACCESS_KEY=\"BBBB...\"\n")
+			}
+			auth = aws.Auth{
+				AccessKey: args["-K"].(string),
+				SecretKey: args["-S"].(string),
+			}
+		}
+		// parse S3 url
+		s3url := strings.TrimPrefix(configFileLocation, "s3://")
+		parts := strings.SplitN(s3url, "/", 2)
+		if len(parts) != 2 {
+			return cfg, fmt.Errorf("invalid S3 URL: %s", s3url)
+		}
+		b, err := s3.New(auth, region).Bucket(parts[0])
+		if err != nil {
+			return cfg, err
+		}
+		tomlData, err := b.Get(parts[1])
+		if err != nil {
+			return cfg, err
+		}
+		if _, err := toml.Decode(string(tomlData), cfg); err != nil {
+			return cfg, err
+		}
+	} else { // local config file
+		fInfo, err := os.Stat(configFileLocation)
+		if err != nil {
+			return cfg, fmt.Errorf("non-existent config path: %s", configFileLocation)
+		}
+
+		if fInfo.IsDir() { // multiple files in a directory
+			rawCfgStruct := make(map[string]interface{})
+
+			// To keep things simple, we are not going to use the default values built in Cfg
+			// so far (LDAP.Enabled, LDAPS.Enabled, etc) so do not forget to specify them!
+			/*
+				sourcebuf := new(bytes.Buffer)
+				err = toml.NewEncoder(sourcebuf).Encode(cfg)
+				if err != nil {
+					return cfg, err
+				}
+				var initialRawCfgStruct interface{}
+				if err := toml.Unmarshal(sourcebuf.Bytes(), &initialRawCfgStruct); err != nil {
+					return cfg, err
+				}
+				if err = mergeConfigs(&rawCfgStruct, initialRawCfgStruct); err != nil {
+					return cfg, err
+				}
+			*/
+
+			files, _ := os.ReadDir(configFileLocation)
+			for _, f := range files {
+				canonicalName := filepath.Join(configFileLocation, f.Name())
+
+				bs, _ := os.ReadFile(canonicalName)
+				var curRawCfgStruct interface{}
+				if err := toml.Unmarshal(bs, &curRawCfgStruct); err != nil {
+					return cfg, err
+				}
+				if err = mergeConfigs(&rawCfgStruct, curRawCfgStruct); err != nil {
+					return cfg, err
+				}
+			}
+
+			destbuf := new(bytes.Buffer)
+			err = toml.NewEncoder(destbuf).Encode(rawCfgStruct)
+			if err != nil {
+				return cfg, err
+			}
+			fmt.Println(destbuf.String())
+			merged := config.Config{}
+			if _, err = toml.Decode(destbuf.String(), &merged); err != nil {
+				return cfg, err
+			}
+			cfg = &merged
+		} else {
+			_, err = toml.DecodeFile(configFileLocation, cfg)
+			if err != nil {
+				return cfg, err
+			}
+		}
+
+		usersCustomAttributes(configFileLocation, cfg)
+	}
+
+	// Backward Compability
+	if cfg.Backend.Datastore != "" {
+		if cfg.Backends != nil {
+			return cfg, fmt.Errorf("you cannot specify both [Backend] and [[Backends]] directives in the same configuration ")
+		} else {
+			cfg.Backends = append(cfg.Backends, cfg.Backend)
+		}
+	}
+
+	// Patch with default values where not specified
+	for i := range cfg.Backends {
+		if cfg.Backends[i].NameFormat == "" {
+			cfg.Backends[i].NameFormat = "cn"
+		}
+		if cfg.Backends[i].GroupFormat == "" {
+			cfg.Backends[i].GroupFormat = "ou"
+		}
+		if cfg.Backends[i].SSHKeyAttr == "" {
+			cfg.Backends[i].SSHKeyAttr = "sshPublicKey"
+		}
+	}
+	//
+
+	return cfg, nil
+}
+
+// usersCustomAttributes changes config passed in by adding extra information coming from the custom attributes
+func usersCustomAttributes(location string, config *config.Config) {
+	// TODO @shipperizer deal with multiple files like in line #126
+	c := new(Config)
+
+	md, err := toml.DecodeFile(location, c)
+
+	if err != nil {
+		log.Error().Err(err).Msg("issues parsing users...keep going")
+		return
+	}
+
+	for _, u := range c.Users {
+		user := new(User)
+		md.PrimitiveDecode(u, user)
+
+		if user.CustomAttributes == nil {
+			continue
+		}
+
+		for idx, cUser := range config.Users {
+			if cUser.Name != user.Name {
+				continue
+			}
+
+			x := make(map[string]interface{})
+
+			for _, attribute := range user.CustomAttributes {
+				err := md.PrimitiveDecode(attribute, x)
+
+				fmt.Println(err, x)
+
+				for k, v := range x {
+
+					if config.Users[idx].CustomAttrs == nil {
+						config.Users[idx].CustomAttrs = make(map[string]interface{})
+					}
+
+					config.Users[idx].CustomAttrs[k] = v
+
+				}
+			}
+		}
+	}
+}
+
+func mergeConfigs(config1 interface{}, config2 interface{}) error {
+	var merger func(int, string, interface{}, interface{}) error
+	merger = func(depth int, keyName string, cfg1 interface{}, cfg2 interface{}) error {
+		//fmt.Println(strings.Repeat("    ", depth), "Handling element: ", keyName, " for: ", cfg2)
+		switch element2 := cfg2.(type) {
+		case map[string]interface{}:
+			//fmt.Println(strings.Repeat("     ", depth), " - A map")
+			element2, ok := cfg2.(map[string]interface{})
+			if !ok {
+				return fmt.Errorf("config source: %s is not a map", keyName)
+			}
+			element1, ok := cfg1.(*map[string]interface{})
+			if !ok {
+				return fmt.Errorf("config dest: %s is not a map", keyName)
+			}
+			for k, _ := range element2 {
+				//fmt.Println(strings.Repeat("     ", depth), "  - key: ", k)
+				_, ok := (*element1)[k]
+				if !ok {
+					(*element1)[k] = element2[k]
+				} else {
+					//fmt.Println(strings.Repeat("     ", depth), "  - merging: ", element2[k])
+					asanarrayptr, ok := (*element1)[k].([]map[string]interface{})
+					if ok {
+						if err := merger(depth+1, k, &asanarrayptr, element2[k]); err != nil {
+							return err
+						}
+						(*element1)[k] = asanarrayptr
+					} else {
+						asamapptr, ok := (*element1)[k].(map[string]interface{})
+						if ok {
+							if err := merger(depth+1, k, &asamapptr, element2[k]); err != nil {
+								return err
+							}
+							(*element1)[k] = asamapptr
+						} else {
+							return fmt.Errorf("config dest: %s does not make a valid map/array ptr", keyName)
+						}
+					}
+				}
+			}
+		case []map[string]interface{}:
+			//fmt.Println(strings.Repeat("     ", depth), " - An array")
+			element2, ok := cfg2.([]map[string]interface{})
+			if !ok {
+				return fmt.Errorf("config source: %s is not a map array", keyName)
+			}
+			//fmt.Println(strings.Repeat("     ", depth), "  - element2: ", element2)
+			element1, ok := cfg1.(*[]map[string]interface{})
+			if !ok {
+				return fmt.Errorf("config dest: %s is not a map array", keyName)
+			}
+			//fmt.Println(strings.Repeat("     ", depth), "  - element1: ", element1)
+			for index, _ := range element2 {
+				*element1 = append(*element1, element2[index])
+			}
+		case string:
+			//fmt.Println(strings.Repeat("     ", depth), " - A string")
+			element2, ok := cfg2.(string)
+			if !ok {
+				return fmt.Errorf("config: %s is not a string", keyName)
+			}
+		case bool:
+			//fmt.Println(strings.Repeat("     ", depth), " - A boolean")
+			element2, ok := cfg2.(bool)
+			if !ok {
+				return fmt.Errorf("config: %s is not a boolean value", keyName)
+			}
+		case float64:
+			//fmt.Println(strings.Repeat("     ", depth), " - A float64")
+			element2, ok := cfg2.(float64)
+			if !ok {
+				return fmt.Errorf("config: %s is not a float64 value", keyName)
+			}
+		case nil:
+			//fmt.Println(strings.Repeat("     ", depth), " - Nil")
+		default:
+			log.Info().Str("type", reflect.TypeOf(element2).String()).Msg("Unknown element type found in configuration file. Ignoring.")
+		}
+		return nil
+	}
+
+	err := merger(0, "TOP", config1, config2)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func handleArgs(cfg *config.Config, args map[string]interface{}) (*config.Config, error) {
+	// LDAP flags
+	if ldap, ok := args["--ldap"].(string); ok && ldap != "" {
+		cfg.LDAP.Enabled = true
+		cfg.LDAP.Listen = ldap
+	}
+
+	// LDAPS flags
+	if ldaps, ok := args["--ldaps"].(string); ok && ldaps != "" {
+		cfg.LDAPS.Enabled = true
+		cfg.LDAPS.Listen = ldaps
+	}
+	if ldapsCert, ok := args["--ldaps-cert"].(string); ok && ldapsCert != "" {
+		cfg.LDAPS.Cert = ldapsCert
+	}
+	if ldapsKey, ok := args["--ldaps-key"].(string); ok && ldapsKey != "" {
+		cfg.LDAPS.Key = ldapsKey
+	}
+
+	return cfg, nil
+}
+
+func handleLegacyConfig(cfg *config.Config) (*config.Config, error) {
+	if len(cfg.Frontend.Listen) > 0 && (len(cfg.LDAP.Listen) > 0 || len(cfg.LDAPS.Listen) > 0) {
+		// Both old server-config and new - dont allow
+		return cfg, fmt.Errorf("both old and new server-config in use - please remove old format ([frontend]) and migrate to new format ([ldap], [ldaps])")
+	}
+
+	if len(cfg.Frontend.Listen) > 0 {
+		// We're going with old format - parse it into new
+		log.Info().Msg("Config [frontend] is deprecated - please move to [ldap] and [ldaps] as-per documentation")
+
+		cfg.LDAP.Enabled = !cfg.Frontend.TLS
+		cfg.LDAPS.Enabled = cfg.Frontend.TLS
+
+		if cfg.Frontend.TLS {
+			cfg.LDAPS.Listen = cfg.Frontend.Listen
+		} else {
+			cfg.LDAP.Listen = cfg.Frontend.Listen
+		}
+
+		if len(cfg.Frontend.Cert) > 0 {
+			cfg.LDAPS.Cert = cfg.Frontend.Cert
+		}
+		if len(cfg.Frontend.Key) > 0 {
+			cfg.LDAPS.Key = cfg.Frontend.Key
+		}
+	}
+	return cfg, nil
+}
+func validateConfig(cfg *config.Config) (*config.Config, error) {
+
+	if !cfg.LDAP.Enabled && !cfg.LDAPS.Enabled {
+		return cfg, fmt.Errorf("no server configuration found: please provide either LDAP or LDAPS configuration")
+	}
+
+	if cfg.LDAPS.Enabled {
+		// LDAPS enabled - verify requirements (cert, key, listen)
+		if len(cfg.LDAPS.Cert) == 0 || len(cfg.LDAPS.Key) == 0 {
+			return cfg, fmt.Errorf("LDAPS was enabled but no certificate or key were specified: please disable LDAPS or use the 'cert' and 'key' options")
+		}
+
+		if len(cfg.LDAPS.Listen) == 0 {
+			return cfg, fmt.Errorf("no LDAPS bind address was specified: please disable LDAPS or use the 'listen' option")
+		}
+	}
+
+	if cfg.LDAP.Enabled {
+		// LDAP enabled - verify listen
+		if len(cfg.LDAP.Listen) == 0 {
+			return cfg, fmt.Errorf("no LDAP bind address was specified: please disable LDAP or use the 'listen' option")
+		}
+
+		if cfg.LDAP.TLS && cfg.LDAP.TLSCert == "" && cfg.LDAP.TLSCertPath != "" {
+			byteData, err := os.ReadFile(cfg.LDAP.TLSCertPath)
+			cfg.LDAP.TLSCert = string(byteData)
+
+			if err != nil {
+				return cfg, fmt.Errorf("unable to read TLS certificate file")
+			}
+		}
+
+		if cfg.LDAP.TLS && cfg.LDAP.TLSKey == "" && cfg.LDAP.TLSKeyPath != "" {
+			byteData, err := os.ReadFile(cfg.LDAP.TLSKeyPath)
+			cfg.LDAP.TLSKey = string(byteData)
+
+			if err != nil {
+				return cfg, fmt.Errorf("unable to read TLS key file")
+			}
+		}
+
+	}
+
+	//spew.Dump(cfg)
+	for i := range cfg.Backends {
+		switch cfg.Backends[i].Datastore {
+		case "":
+			cfg.Backends[i].Datastore = "config"
+		case "config":
+		case "ldap":
+		case "owncloud":
+		case "plugin":
+		default:
+			return cfg, fmt.Errorf("invalid backend %s - must be 'config', 'ldap', 'owncloud' or 'plugin'", cfg.Backends[i].Datastore)
+		}
+	}
+
+	// TODO: remove after deprecating UnixID on User and Group
+	for _, user := range cfg.Users {
+		if user.UnixID != 0 {
+			user.UIDNumber = user.UnixID
+			log.Info().Msg(fmt.Sprintf("User '%s': 'unixid' is deprecated - please move to 'uidnumber' as per documentation", user.Name))
+		}
+	}
+	for _, group := range cfg.Groups {
+		if group.UnixID != 0 {
+			group.GIDNumber = group.UnixID
+			log.Info().Msg(fmt.Sprintf("Group '%s': 'unixid' is deprecated - please move to 'gidnumber' as per documentation", group.Name))
+		}
+	}
+
+	return cfg, nil
+}

v2/internal/tracing/config.go

@@ -0,0 +1,24 @@
+package tracing
+
+import (
+	"github.com/rs/zerolog"
+)
+
+type Config struct {
+	OtelHTTPEndpoint string
+	OtelGRPCEndpoint string
+	Logger           *zerolog.Logger
+
+	Enabled bool
+}
+
+func NewConfig(enabled bool, otelGRPCEndpoint, otelHTTPEndpoint string, logger *zerolog.Logger) *Config {
+	c := new(Config)
+
+	c.OtelGRPCEndpoint = otelGRPCEndpoint
+	c.OtelHTTPEndpoint = otelHTTPEndpoint
+	c.Logger = logger
+	c.Enabled = enabled
+
+	return c
+}

v2/internal/tracing/tracer.go

@@ -0,0 +1,134 @@
+package tracing
+
+import (
+	"context"
+	"runtime/debug"
+
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/contrib/propagators/jaeger"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
+	"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
+	"go.opentelemetry.io/otel/propagation"
+	"go.opentelemetry.io/otel/sdk/resource"
+	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+	semconv "go.opentelemetry.io/otel/semconv/v1.18.0"
+	"go.opentelemetry.io/otel/trace"
+	"go.opentelemetry.io/otel/trace/embedded"
+	"go.opentelemetry.io/otel/trace/noop"
+)
+
+type Tracer struct {
+	embedded.Tracer
+
+	tracer trace.Tracer
+
+	logger *zerolog.Logger
+}
+
+func (t *Tracer) init(service string, e sdktrace.SpanExporter) {
+	traceProvider := sdktrace.NewTracerProvider(
+		sdktrace.WithSampler(sdktrace.AlwaysSample()),
+		sdktrace.WithBatcher(e),
+		sdktrace.WithResource(
+			t.buildResource(service),
+		),
+	)
+
+	otel.SetTracerProvider(traceProvider)
+	otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{}, jaeger.Jaeger{}))
+
+	t.tracer = otel.Tracer(service)
+}
+
+func (t *Tracer) gitRevision(settings []debug.BuildSetting) string {
+	for _, setting := range settings {
+		if setting.Key == "vcs.revision" {
+			return setting.Value
+		}
+	}
+
+	return "n/a"
+}
+
+func (t *Tracer) buildResource(service string) *resource.Resource {
+	var res *resource.Resource
+
+	res = resource.NewWithAttributes(
+		semconv.SchemaURL,
+		semconv.ServiceName(service),
+		semconv.ServiceVersion("n/a"),
+	)
+
+	if info, ok := debug.ReadBuildInfo(); ok {
+		if service == "" {
+			service = info.Path
+		}
+
+		res = resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceName(service),
+			attribute.String("git_sha", t.gitRevision(info.Settings)),
+			attribute.String("app", info.Main.Path),
+		)
+	}
+
+	return res
+}
+
+func (t *Tracer) Start(ctx context.Context, spanName string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
+	return t.tracer.Start(ctx, spanName, opts...)
+}
+
+// basic tracer implementation of trace.Tracer, just adding some extra configuration
+func NewTracer(cfg *Config) *Tracer {
+	t := new(Tracer)
+
+	t.logger = cfg.Logger
+
+	// if tracing disabled skip the config
+	if !cfg.Enabled {
+		t.tracer = noop.NewTracerProvider().Tracer("github.com/glauth/glauth")
+
+		return t
+	}
+
+	var err error
+	var exporter sdktrace.SpanExporter
+
+	if cfg.OtelGRPCEndpoint != "" {
+		exporter, err = otlptrace.New(
+			context.TODO(),
+			otlptracegrpc.NewClient(
+				otlptracegrpc.WithEndpoint(cfg.OtelGRPCEndpoint),
+				otlptracegrpc.WithInsecure(),
+			),
+		)
+	} else if cfg.OtelHTTPEndpoint != "" {
+		exporter, err = otlptrace.New(
+			context.TODO(),
+			otlptracehttp.NewClient(
+				otlptracehttp.WithEndpoint(cfg.OtelHTTPEndpoint),
+				otlptracehttp.WithInsecure(),
+			),
+		)
+	} else {
+		exporter, err = stdouttrace.New(
+			stdouttrace.WithPrettyPrint(),
+		)
+	}
+
+	if err != nil {
+		t.logger.Error().Err(err).Msg("unable to initialize tracing exporter")
+		return nil
+	}
+
+	// set tracer provider and propagator properly, this is to ensure all
+	// instrumentation library could run well
+	t.init("github.com/glauth/glauth", exporter)
+
+	return t
+}

v2/internal/version/const.go

@@ -0,0 +1,5 @@
+package version
+
+// Version is the tag of the latest release, it gets changed by the ci
+// process when a release is happening
+const Version = "v2.3.1" // x-release-please-version

v2/internal/version/vcs.go

@@ -0,0 +1,68 @@
+package version
+
+import (
+	"fmt"
+	"runtime/debug"
+)
+
+type gitInfo struct {
+	BuildTime string
+	Commit    string
+	Dirty     bool
+}
+
+// GetVersion reads builtime vars and returns a full string containing info about
+// the currently running version of the software. Primarily used by the
+// --version flag at runtime.
+func GetVersion() string {
+
+	// TODO @shipperizer see if it's worth replacing with info.Main.Path
+	// aka github.com/glauth/glauth/v2 - not great but worth checking
+
+	name := "GLauth"
+
+	info, ok := debug.ReadBuildInfo()
+
+	if !ok {
+		return fmt.Sprintf(`
+%s
+Non-release build`,
+			name)
+	}
+
+	gitInfo := vcsInfo(info.Settings)
+
+	// If a release, use the tag
+	if !gitInfo.Dirty {
+		return fmt.Sprintf(`%s %s
+Build time: %s
+Commit: %s`, name, Version, gitInfo.BuildTime, gitInfo.Commit)
+	}
+
+	return fmt.Sprintf(`%s
+Non-release build based on tag %s
+Build time: %s
+Commit: %s`, name, Version, gitInfo.BuildTime, gitInfo.Commit)
+
+}
+
+func vcsInfo(settings []debug.BuildSetting) *gitInfo {
+	info := new(gitInfo)
+
+	info.BuildTime = "unknown"
+	info.Commit = "unknown"
+	info.Dirty = false
+
+	for _, v := range settings {
+		switch v.Key {
+		case "vcs.revision":
+			info.Commit = v.Value
+		case "vcs.modified":
+			info.Dirty = v.Value == "true"
+		case "vcs.time":
+			info.BuildTime = v.Value
+		}
+	}
+
+	return info
+}

v2/pkg/assets/handlers.go

@@ -0,0 +1,39 @@
+package assets
+
+import (
+	"net/http"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+type API struct {
+	fileServer http.Handler
+
+	logger zerolog.Logger
+}
+
+func (a *API) RegisterEndpoints(router *http.ServeMux) {
+	router.HandleFunc("/", a.assets)
+	router.Handle("/assets/", http.StripPrefix("/assets/", a.fileServer))
+}
+
+func (a *API) assets(w http.ResponseWriter, r *http.Request) {
+	a.logger.Info().Str("path", r.URL.Path).Msg("Web")
+
+	if r.URL.Path != "/" {
+		log.Info().Msg("Web 404")
+		http.NotFound(w, r)
+		return
+	}
+
+	a.fileServer.ServeHTTP(w, r)
+}
+
+func NewAPI(logger zerolog.Logger) *API {
+	a := new(API)
+
+	a.logger = logger
+	a.fileServer = http.FileServer(http.FS(Content))
+	return a
+}

v2/pkg/assets/handlers_test.go

@@ -1,21 +1,20 @@
-package frontend
+package assets
 
 import (
 	"bytes"
 	"crypto/sha256"
-	"github.com/rs/zerolog"
 	"io"
 	"net/http"
 	"net/http/httptest"
 	"os"
 	"testing"
 
-	"github.com/glauth/glauth/v2/pkg/assets"
+	"github.com/rs/zerolog"
 )
 
 // TestAPI is a small test to make sure that behavior didn't change for the
 // worse when switching over to the go1.16+ "embed" package from go-bindata.
-func TestAPI(t *testing.T) {
+func TestAPIAssets(t *testing.T) {
 	tt := []struct {
 		Name  string
 		Path  string
@@ -26,7 +25,7 @@ func TestAPI(t *testing.T) {
 			Path: "/",
 			Check: func(t testing.TB, res *http.Response) {
 				if res.StatusCode != http.StatusOK {
-					t.Errorf("unexpected response: %v", res.Status)
+					t.Fatalf("unexpected response: %v", res.Status)
 					return
 				}
 				h := sha256.New()
@@ -34,7 +33,7 @@ func TestAPI(t *testing.T) {
 					t.Error(err)
 				}
 				if got, want := h.Sum(nil), mkDigest(t, "index.html"); !bytes.Equal(got, want) {
-					t.Errorf("bad digest: got: %x, want %x", got, want)
+					t.Fatalf("bad digest: got: %x, want %x", got, want)
 				}
 			},
 		},
@@ -42,48 +41,47 @@ func TestAPI(t *testing.T) {
 			Name: "NotFound",
 			Path: "/glauth.js",
 			Check: func(t testing.TB, res *http.Response) {
-				if res.StatusCode == http.StatusNotFound {
-					return
+				if res.StatusCode != http.StatusNotFound {
+					t.Fatalf("unexpected response: %v", res.Status)
 				}
-				t.Errorf("unexpected response: %v", res.Status)
 			},
 		},
 		{
 			Name: "Content-Type",
-			Path: "/assets/glauth.js",
+			Path: "/assets/js/glauth.js",
 			Check: func(t testing.TB, res *http.Response) {
 				if res.StatusCode != http.StatusOK {
-					t.Errorf("unexpected response: %v", res.Status)
+					t.Fatalf("unexpected response: %v", res.Status)
 				}
-				if got, want := res.Header.Get("Content-Type"), `application/javascript`; got != want {
-					t.Errorf("bad content-type: got: %q, want %q", got, want)
+				if got, want := res.Header.Get("Content-Type"), `text/javascript; charset=utf-8`; got != want {
+					t.Fatalf("bad content-type: got: %q, want %q", got, want)
 				}
 				h := sha256.New()
 				if _, err := io.Copy(h, res.Body); err != nil {
 					t.Error(err)
 				}
-				if got, want := h.Sum(nil), mkDigest(t, "glauth.js"); !bytes.Equal(got, want) {
-					t.Errorf("bad digest: got: %x, want %x", got, want)
+				if got, want := h.Sum(nil), mkDigest(t, "js/glauth.js"); !bytes.Equal(got, want) {
+					t.Fatalf("bad digest: got: %x, want %x", got, want)
 				}
 			},
 		},
 		{
 			Name: "Content-Type",
-			Path: "/assets/glauth.css",
+			Path: "/assets/css/glauth.css",
 			Check: func(t testing.TB, res *http.Response) {
 				if res.StatusCode != http.StatusOK {
-					t.Errorf("unexpected response: %v", res.Status)
+					t.Fatalf("unexpected response: %v", res.Status)
 				}
 				// This isn't exactly the same, it adds a charset argument.
 				if got, want := res.Header.Get("Content-Type"), `text/css; charset=utf-8`; got != want {
-					t.Errorf("bad content-type: got: %q, want %q", got, want)
+					t.Fatalf("bad content-type: got: %q, want %q", got, want)
 				}
 				h := sha256.New()
 				if _, err := io.Copy(h, res.Body); err != nil {
 					t.Error(err)
 				}
-				if got, want := h.Sum(nil), mkDigest(t, "glauth.css"); !bytes.Equal(got, want) {
-					t.Errorf("bad digest: got: %x, want %x", got, want)
+				if got, want := h.Sum(nil), mkDigest(t, "css/glauth.css"); !bytes.Equal(got, want) {
+					t.Fatalf("bad digest: got: %x, want %x", got, want)
 				}
 			},
 		},
@@ -91,7 +89,7 @@ func TestAPI(t *testing.T) {
 
 	mux := http.NewServeMux()
 	log := zerolog.New(os.Stdout).Level(zerolog.InfoLevel)
-	register(mux, log, true, "0.0.0.0:5555")
+	NewAPI(log).RegisterEndpoints(mux)
 	srv := httptest.NewServer(mux)
 	defer srv.Close()
 	for _, tc := range tt {
@@ -112,7 +110,7 @@ func TestAPI(t *testing.T) {
 }
 
 func mkDigest(t testing.TB, path string) []byte {
-	f, err := assets.Content.Open(path)
+	f, err := Content.Open(path)
 	if err != nil {
 		t.Error(err)
 	}

v2/pkg/config/config.go

@@ -36,6 +36,12 @@ type Frontend struct {
 type LDAP struct {
 	Enabled bool
 	Listen  string
+	// StartTLS parameters
+	TLS         bool
+	TLSCert     string
+	TLSKey      string
+	TLSCertPath string
+	TLSKeyPath  string
 }
 type LDAPS struct {
 	Enabled bool
@@ -98,6 +104,13 @@ type Group struct {
 	GIDNumber     int
 	IncludeGroups []int
 }
+
+type Tracing struct {
+	Enabled      bool
+	GRPCEndpoint string
+	HTTPEndpoint string
+}
+
 type Config struct {
 	API                API
 	Backend            Backend // Deprecated
@@ -115,6 +128,7 @@ type Config struct {
 	LDAPS              LDAPS
 	Groups             []Group
 	Users              []User
+	Tracing            Tracing
 	ConfigFile         string
 	AwsAccessKeyId     string
 	AwsSecretAccessKey string

v2/pkg/frontend/options.go

@@ -2,6 +2,7 @@ package frontend
 
 import (
 	"context"
+
 	"github.com/rs/zerolog"
 
 	"github.com/glauth/glauth/v2/pkg/config"

v2/pkg/frontend/webapi.go

@@ -1,17 +1,10 @@
 package frontend
 
 import (
-	"encoding/json"
 	"fmt"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"github.com/rs/zerolog"
-	"io/ioutil"
-	"log"
 	"net/http"
-	"regexp"
-	"strings"
 
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/assets"
 )
 
@@ -21,162 +14,27 @@ func RunAPI(opts ...Option) {
 	log := options.Logger
 	cfg := options.Config
 
-	register(http.DefaultServeMux, log, cfg.TLS, cfg.Listen)
+	router := http.DefaultServeMux
+
+	assets.NewAPI(log).RegisterEndpoints(router)
+	monitoring.NewAPI(log).RegisterEndpoints(router)
+
 	if cfg.TLS {
 		log.Info().Str("address", cfg.Listen).Msg("Starting HTTPS server")
-		err := http.ListenAndServeTLS(cfg.Listen, cfg.Cert, cfg.Key, nil)
-		if err != nil {
+
+		monitoring.NewCollector(fmt.Sprintf("https://%s/debug/vars", cfg.Listen))
+		if err := http.ListenAndServeTLS(cfg.Listen, cfg.Cert, cfg.Key, nil); err != nil {
 			log.Error().Err(err).Msg("error starting HTTPS server")
-			return
 		}
-	} else {
-		log.Info().Str("address", cfg.Listen).Msg("Starting HTTP server")
-		err := http.ListenAndServe(cfg.Listen, nil)
-		if err != nil {
-			log.Error().Err(err).Msg("error starting HTTP server")
-			return
-		}
-	}
-}
 
-func register(mux *http.ServeMux, log zerolog.Logger, tls bool, listen string) {
-	fs := http.FileServer(http.FS(assets.Content))
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		log.Info().Str("path", r.URL.Path).Msg("Web")
-		if r.URL.Path != "/" {
-			log.Info().Msg("Web 404")
-			http.NotFound(w, r)
-			return
-		}
-		fs.ServeHTTP(w, r)
-	})
-	mux.Handle("/assets/", http.StripPrefix("/assets/", fs))
-	var url string
-	if tls {
-		url = fmt.Sprintf("https://%s/debug/vars", listen)
-	} else {
-		url = fmt.Sprintf("http://%s/debug/vars", listen)
-	}
-	c := &collector{
-		url: url,
-		names: map[string]string{
-			"proxy":          "glauth_proxy",
-			"proxy_frontend": "glauth_proxy_frontend",
-			"proxy_backend":  "glauth_proxy_backend",
-		},
-		helps: map[string]string{
-			"proxy":          "General Metrics",
-			"proxy_frontend": "Frontend Metrics",
-			"proxy_backend":  "Backend Metrics",
-		},
-		labelName: map[string]string{
-			"proxy":          "metric",
-			"proxy_frontend": "metric",
-			"proxy_backend":  "metric",
-		},
-	}
-	prometheus.MustRegister(c)
-	mux.Handle("/metrics", promhttp.Handler())
-}
-
-// The code below liberally borrows from https://github.com/albertito/prometheus-expvar-exporter
-// and is adapted (just a little) for our purpose.
-
-type collector struct {
-	url       string
-	names     map[string]string
-	helps     map[string]string
-	labelName map[string]string
-}
-
-func (c *collector) Describe(ch chan<- *prometheus.Desc) {
-	return
-}
-
-func (c *collector) Collect(ch chan<- prometheus.Metric) {
-	resp, err := http.Get(c.url)
-	if err != nil {
-		log.Printf("Error scraping %q: %v", c.url, err)
 		return
 	}
 
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		log.Printf("Error reading body of %q: %v", c.url, err)
-		return
+	log.Info().Str("address", cfg.Listen).Msg("Starting HTTP server")
+	monitoring.NewCollector(fmt.Sprintf("http://%s/debug/vars", cfg.Listen))
+
+	if err := http.ListenAndServe(cfg.Listen, nil); err != nil {
+		log.Error().Err(err).Msg("error starting HTTP server")
 	}
 
-	// Replace "\xNN" with "?" because the default parser doesn't handle them
-	// well.
-	re := regexp.MustCompile(`\\x..`)
-	body = re.ReplaceAllFunc(body, func(s []byte) []byte {
-		return []byte("?")
-	})
-
-	var vs map[string]interface{}
-	err = json.Unmarshal(body, &vs)
-	if err != nil {
-		log.Printf("Error unmarshalling json from %q: %v", c.url, err)
-		return
-	}
-
-	for k, v := range vs {
-		name := strings.ReplaceAll(k, "/", "_")
-		if n, ok := c.names[k]; ok {
-			name = n
-		}
-
-		help := fmt.Sprintf("expvar %q", k)
-		if h, ok := c.helps[k]; ok {
-			help = h
-		}
-
-		lnames := []string{}
-		if ln, ok := c.labelName[k]; ok {
-			lnames = append(lnames, ln)
-		}
-
-		desc := prometheus.NewDesc(name, help, lnames, nil)
-
-		switch v := v.(type) {
-		case float64:
-			ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue, v)
-		case bool:
-			ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue,
-				valToFloat(v))
-		case map[string]interface{}:
-			// We only support explicitly written label names.
-			if len(lnames) != 1 {
-				continue
-			}
-			for lk, lv := range v {
-				ch <- prometheus.MustNewConstMetric(desc, prometheus.UntypedValue,
-					valToFloat(lv), lk)
-			}
-		case string:
-			// Not supported by Prometheus.
-			continue
-		case []interface{}:
-			// Not supported by Prometheus.
-			continue
-		default:
-			continue
-		}
-	}
-}
-
-func valToFloat(v interface{}) float64 {
-	switch v := v.(type) {
-	case float64:
-		return v
-	case bool:
-		if v {
-			return 1.0
-		}
-		return 0.0
-	case string:
-		return 0.0
-	}
-	log.Printf("unexpected value type: %#v", v)
-	return 0.0
 }

v2/pkg/handler/config.go

@@ -1,17 +1,22 @@
 package handler
 
 import (
+	"context"
 	"fmt"
-	"github.com/rs/zerolog"
 	"net"
 	"regexp"
 	"sort"
 	"strings"
+	"time"
+
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
 
 	"github.com/GeertJohan/yubigo"
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 )
 
 type configHandler struct {
@@ -21,6 +26,9 @@ type configHandler struct {
 	yubikeyAuth *yubigo.YubiAuth
 	ldohelper   LDAPOpsHelper
 	attmatcher  *regexp.Regexp
+
+	monitor monitoring.MonitorInterface
+	tracer  trace.Tracer
 }
 
 // NewConfigHandler creates a new config backed handler
@@ -34,6 +42,8 @@ func NewConfigHandler(opts ...Option) Handler {
 		yubikeyAuth: options.YubiAuth,
 		ldohelper:   options.LDAPHelper,
 		attmatcher:  configattributematcher,
+		monitor:     options.Monitor,
+		tracer:      options.Tracer,
 	}
 	return handler
 }
@@ -52,31 +62,83 @@ func (h configHandler) GetYubikeyAuth() *yubigo.YubiAuth {
 }
 
 // Bind implements a bind request against the config file
-func (h configHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (resultCode ldap.LDAPResultCode, err error) {
-	return h.ldohelper.Bind(h, bindDN, bindSimplePw, conn)
+func (h configHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	ctx, span := h.tracer.Start(context.Background(), "handler.configHandler.Bind")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "bind", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
+	return h.ldohelper.Bind(ctx, h, bindDN, bindSimplePw, conn)
 }
 
 // Search implements a search request against the config file
 func (h configHandler) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
-	return h.ldohelper.Search(h, bindDN, searchReq, conn)
+	ctx, span := h.tracer.Start(context.Background(), "handler.configHandler.Search")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "search", "status": fmt.Sprintf("%v", result.ResultCode)},
+			time.Since(start).Seconds(),
+		)
+	}()
+	return h.ldohelper.Search(ctx, h, bindDN, searchReq, conn)
 }
 
 // Add is not supported for a static config file
 func (h configHandler) Add(boundDN string, req ldap.AddRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.configHandler.Add")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "add", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Modify is not supported for a static config file
 func (h configHandler) Modify(boundDN string, req ldap.ModifyRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.configHandler.Modify")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "modify", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Delete is not supported for a static config file
 func (h configHandler) Delete(boundDN string, deleteDN string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.configHandler.Delete")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "delete", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
-func (h configHandler) FindUser(userName string, searchByUPN bool) (f bool, u config.User, err error) {
+func (h configHandler) FindUser(ctx context.Context, userName string, searchByUPN bool) (f bool, u config.User, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.FindUser")
+	defer span.End()
 	user := config.User{}
 	found := false
 
@@ -97,7 +159,9 @@ func (h configHandler) FindUser(userName string, searchByUPN bool) (f bool, u co
 	return found, user, nil
 }
 
-func (h configHandler) FindGroup(groupName string) (f bool, g config.Group, err error) {
+func (h configHandler) FindGroup(ctx context.Context, groupName string) (f bool, g config.Group, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.FindGroup")
+	defer span.End()
 	// TODO Does g get erased, and above does u get erased?
 	// TODO and what about f?
 	group := config.Group{}
@@ -111,7 +175,10 @@ func (h configHandler) FindGroup(groupName string) (f bool, g config.Group, err
 	return found, group, nil
 }
 
-func (h configHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.Entry, err error) {
+func (h configHandler) FindPosixAccounts(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.FindPosixAccounts")
+	defer span.End()
+
 	entries := []*ldap.Entry{}
 
 	for _, u := range h.cfg.Users {
@@ -127,7 +194,7 @@ func (h configHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.En
 			attrs = append(attrs, &ldap.EntryAttribute{Name: "sn", Values: []string{u.SN}})
 		}
 
-		attrs = append(attrs, &ldap.EntryAttribute{Name: "ou", Values: []string{h.getGroupName(u.PrimaryGroup)}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "ou", Values: []string{h.getGroupName(ctx, u.PrimaryGroup)}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "uidNumber", Values: []string{fmt.Sprintf("%d", u.UIDNumber)}})
 
 		if u.Disabled {
@@ -158,7 +225,7 @@ func (h configHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.En
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "description", Values: []string{fmt.Sprintf("%s", u.Name)}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "gecos", Values: []string{fmt.Sprintf("%s", u.Name)}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "gidNumber", Values: []string{fmt.Sprintf("%d", u.PrimaryGroup)}})
-		attrs = append(attrs, &ldap.EntryAttribute{Name: "memberOf", Values: h.getGroupDNs(append(u.OtherGroups, u.PrimaryGroup))})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "memberOf", Values: h.getGroupDNs(ctx, append(u.OtherGroups, u.PrimaryGroup))})
 
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "shadowExpire", Values: []string{"-1"}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "shadowFlag", Values: []string{"134538308"}})
@@ -193,9 +260,9 @@ func (h configHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.En
 		}
 		var dn string
 		if hierarchy == "" {
-			dn = fmt.Sprintf("%s=%s,%s=%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), h.backend.BaseDN)
+			dn = fmt.Sprintf("%s=%s,%s=%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), h.backend.BaseDN)
 		} else {
-			dn = fmt.Sprintf("%s=%s,%s=%s,%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), hierarchy, h.backend.BaseDN)
+			dn = fmt.Sprintf("%s=%s,%s=%s,%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), hierarchy, h.backend.BaseDN)
 		}
 		entries = append(entries, &ldap.Entry{DN: dn, Attributes: attrs})
 	}
@@ -203,7 +270,10 @@ func (h configHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.En
 	return entries, nil
 }
 
-func (h configHandler) FindPosixGroups(hierarchy string) (entrylist []*ldap.Entry, err error) {
+func (h configHandler) FindPosixGroups(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.FindPosixGroups")
+	defer span.End()
+
 	asGroupOfUniqueNames := hierarchy == "ou=groups"
 
 	entries := []*ldap.Entry{}
@@ -214,11 +284,11 @@ func (h configHandler) FindPosixGroups(hierarchy string) (entrylist []*ldap.Entr
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "uid", Values: []string{g.Name}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "description", Values: []string{fmt.Sprintf("%s", g.Name)}})
 		attrs = append(attrs, &ldap.EntryAttribute{Name: "gidNumber", Values: []string{fmt.Sprintf("%d", g.GIDNumber)}})
-		attrs = append(attrs, &ldap.EntryAttribute{Name: "uniqueMember", Values: h.getGroupMemberDNs(g.GIDNumber)})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "uniqueMember", Values: h.getGroupMemberDNs(ctx, g.GIDNumber)})
 		if asGroupOfUniqueNames {
 			attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"groupOfUniqueNames", "top"}})
 		} else {
-			attrs = append(attrs, &ldap.EntryAttribute{Name: "memberUid", Values: h.getGroupMemberIDs(g.GIDNumber)})
+			attrs = append(attrs, &ldap.EntryAttribute{Name: "memberUid", Values: h.getGroupMemberIDs(ctx, g.GIDNumber)})
 			attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"posixGroup", "top"}})
 		}
 		dn := fmt.Sprintf("%s=%s,%s,%s", h.backend.GroupFormat, g.Name, hierarchy, h.backend.BaseDN)
@@ -230,11 +300,17 @@ func (h configHandler) FindPosixGroups(hierarchy string) (entrylist []*ldap.Entr
 
 // Close does not actually close anything, because the config data is kept in memory
 func (h configHandler) Close(boundDn string, conn net.Conn) error {
+	_, span := h.tracer.Start(context.Background(), "handler.configHandler.Close")
+	defer span.End()
+
 	stats.Frontend.Add("closes", 1)
 	return nil
 }
 
-func (h configHandler) getGroupMemberDNs(gid int) []string {
+func (h configHandler) getGroupMemberDNs(ctx context.Context, gid int) []string {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.getGroupMemberDNs")
+	defer span.End()
+
 	var insertOuUsers string
 	if h.cfg.Behaviors.LegacyVersion > 0 && h.cfg.Behaviors.LegacyVersion <= 20100 {
 		insertOuUsers = ""
@@ -244,12 +320,12 @@ func (h configHandler) getGroupMemberDNs(gid int) []string {
 	members := make(map[string]bool)
 	for _, u := range h.cfg.Users {
 		if u.PrimaryGroup == gid {
-			dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
+			dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
 			members[dn] = true
 		} else {
 			for _, othergid := range u.OtherGroups {
 				if othergid == gid {
-					dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
+					dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
 					members[dn] = true
 				}
 			}
@@ -260,7 +336,7 @@ func (h configHandler) getGroupMemberDNs(gid int) []string {
 		if gid == g.GIDNumber {
 			for _, includegroupid := range g.IncludeGroups {
 				if includegroupid != gid {
-					includegroupmembers := h.getGroupMemberDNs(includegroupid)
+					includegroupmembers := h.getGroupMemberDNs(ctx, includegroupid)
 
 					for _, includegroupmember := range includegroupmembers {
 						members[includegroupmember] = true
@@ -280,7 +356,10 @@ func (h configHandler) getGroupMemberDNs(gid int) []string {
 	return m
 }
 
-func (h configHandler) getGroupMemberIDs(gid int) []string {
+func (h configHandler) getGroupMemberIDs(ctx context.Context, gid int) []string {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.getGroupMemberIDs")
+	defer span.End()
+
 	members := make(map[string]bool)
 	for _, u := range h.cfg.Users {
 		if u.PrimaryGroup == gid {
@@ -300,7 +379,7 @@ func (h configHandler) getGroupMemberIDs(gid int) []string {
 				if includegroupid == gid {
 					h.log.Warn().Int("groupid", includegroupid).Msg("Ignoring myself as included group")
 				} else {
-					includegroupmemberids := h.getGroupMemberIDs(includegroupid)
+					includegroupmemberids := h.getGroupMemberIDs(ctx, includegroupid)
 
 					for _, includegroupmemberid := range includegroupmemberids {
 						members[includegroupmemberid] = true
@@ -321,7 +400,10 @@ func (h configHandler) getGroupMemberIDs(gid int) []string {
 }
 
 // Converts an array of GUIDs into an array of DNs
-func (h configHandler) getGroupDNs(gids []int) []string {
+func (h configHandler) getGroupDNs(ctx context.Context, gids []int) []string {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.getGroupDNs")
+	defer span.End()
+
 	groups := make(map[string]bool)
 	for _, gid := range gids {
 		for _, g := range h.cfg.Groups {
@@ -332,7 +414,7 @@ func (h configHandler) getGroupDNs(gids []int) []string {
 
 			for _, includegroupid := range g.IncludeGroups {
 				if includegroupid == gid && g.GIDNumber != gid {
-					includegroupdns := h.getGroupDNs([]int{g.GIDNumber})
+					includegroupdns := h.getGroupDNs(ctx, []int{g.GIDNumber})
 
 					for _, includegroupdn := range includegroupdns {
 						groups[includegroupdn] = true
@@ -352,7 +434,10 @@ func (h configHandler) getGroupDNs(gids []int) []string {
 	return g
 }
 
-func (h configHandler) getGroupName(gid int) string {
+func (h configHandler) getGroupName(ctx context.Context, gid int) string {
+	ctx, span := h.tracer.Start(ctx, "handler.configHandler.getGroupName")
+	defer span.End()
+
 	for _, g := range h.cfg.Groups {
 		if g.GIDNumber == gid {
 			return g.Name

v2/pkg/handler/handler.go

@@ -1,13 +1,15 @@
 package handler
 
 import (
+	"context"
+
 	"github.com/glauth/glauth/v2/pkg/config"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 )
 
 type HelperMaker interface {
-	FindUser(userName string, searchByUPN bool) (bool, config.User, error)
-	FindGroup(groupName string) (bool, config.Group, error)
+	FindUser(ctx context.Context, userName string, searchByUPN bool) (bool, config.User, error)
+	FindGroup(ctx context.Context, groupName string) (bool, config.Group, error)
 }
 
 // Handler is the common interface for all datastores

v2/pkg/handler/ldap.go

@@ -1,11 +1,11 @@
 package handler
 
 import (
+	"context"
 	"crypto/sha256"
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"github.com/rs/zerolog"
 	"net"
 	"net/url"
 	"os"
@@ -15,9 +15,13 @@ import (
 	"sync"
 	"time"
 
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 	"github.com/pquerna/otp/totp"
 )
 
@@ -34,6 +38,9 @@ type ldapHandler struct {
 	servers  []ldapBackend
 	helper   Handler
 	attm     *regexp.Regexp
+
+	monitor monitoring.MonitorInterface
+	tracer  trace.Tracer
 }
 
 // global lock for ldapHandler sessions & servers manipulation
@@ -71,6 +78,8 @@ func NewLdapHandler(opts ...Option) Handler {
 		helper:   options.Helper,
 		lock:     &ldaplock,
 		attm:     ldapattributematcher,
+		monitor:  options.Monitor,
+		tracer:   options.Tracer,
 	}
 	// parse LDAP URLs
 	for _, ldapurl := range handler.backend.Servers {
@@ -88,7 +97,18 @@ func NewLdapHandler(opts ...Option) Handler {
 	return handler
 }
 
-func (h ldapHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (resultCode ldap.LDAPResultCode, err error) {
+func (h ldapHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	ctx, span := h.tracer.Start(context.Background(), "handler.ldapHandler.Bind")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "bind", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
+
 	h.log.Debug().Str("binddn", bindDN).Str("src", conn.RemoteAddr().String()).Msg("Bind request")
 
 	//	if h.helper != nil {
@@ -107,7 +127,7 @@ func (h ldapHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (resultCod
 		user := config.User{}
 		found := false
 		for i, handler := range h.handlers.Handlers {
-			found, user, _ = handler.FindUser(userName, false)
+			found, user, _ = handler.FindUser(ctx, userName, false)
 			if found {
 				break
 			}
@@ -154,6 +174,17 @@ func (h ldapHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (resultCod
 }
 
 func (h ldapHandler) Search(boundDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
+	ctx, span := h.tracer.Start(context.Background(), "handler.ldapHandler.Search")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "search", "status": fmt.Sprintf("%v", result.ResultCode)},
+			time.Since(start).Seconds(),
+		)
+	}()
+
 	wantAttributes := true
 	wantTypesOnly := false
 
@@ -233,7 +264,7 @@ func (h ldapHandler) Search(boundDN string, searchReq ldap.SearchRequest, conn n
 		h.log.Debug().Str("type", "Root search detected").Msg("AP: Search Info")
 	}
 
-	filters := h.buildReqAttributesList(searchReq.Filter, []string{})
+	filters := h.buildReqAttributesList(ctx, searchReq.Filter, []string{})
 
 	for _, filter := range filters {
 		attbits := h.attm.FindStringSubmatch(filter)
@@ -272,7 +303,10 @@ func (h ldapHandler) Search(boundDN string, searchReq ldap.SearchRequest, conn n
 	return ssr, nil
 }
 
-func (h ldapHandler) buildReqAttributesList(filter string, filters []string) []string {
+func (h ldapHandler) buildReqAttributesList(ctx context.Context, filter string, filters []string) []string {
+	ctx, span := h.tracer.Start(ctx, "handler.ldapHandler.buildReqAttributesList")
+	defer span.End()
+
 	maxp := len(filter)
 	start := -1
 	descended := false
@@ -284,7 +318,7 @@ func (h ldapHandler) buildReqAttributesList(filter string, filters []string) []s
 		} else if c == ')' {
 			if start > -1 {
 				descended = true
-				filters = h.buildReqAttributesList(filter[start:p], filters)
+				filters = h.buildReqAttributesList(ctx, filter[start:p], filters)
 			}
 			start = -1
 		}
@@ -297,24 +331,59 @@ func (h ldapHandler) buildReqAttributesList(filter string, filters []string) []s
 
 // Add is not yet supported for the ldap backend
 func (h ldapHandler) Add(boundDN string, req ldap.AddRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.ldapHandler.Add")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "add", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Modify is not yet supported for the ldap backend
 func (h ldapHandler) Modify(boundDN string, req ldap.ModifyRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.ldapHandler.Modify")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "modify", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Delete is not yet supported for the ldap backend
 func (h ldapHandler) Delete(boundDN string, deleteDN string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.ldapHandler.Delete")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "delete", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
-func (h ldapHandler) FindUser(userName string, searchByUPN bool) (found bool, user config.User, err error) {
+func (h ldapHandler) FindUser(ctx context.Context, userName string, searchByUPN bool) (found bool, user config.User, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.ldapHandler.FindUser")
+	defer span.End()
 	return false, config.User{}, nil
 }
 
-func (h ldapHandler) FindGroup(groupName string) (found bool, group config.Group, err error) {
+func (h ldapHandler) FindGroup(ctx context.Context, groupName string) (found bool, group config.Group, err error) {
+	ctx, span := h.tracer.Start(ctx, "handler.ldapHandler.FindGroup")
+	defer span.End()
+
 	return false, config.Group{}, nil
 }
 

v2/pkg/handler/ldapopshelper.go

@@ -2,11 +2,10 @@ package handler
 
 import (
 	"bufio"
+	"context"
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
-	"github.com/rs/zerolog"
-	"io/ioutil"
 	"net"
 	"os"
 	"path/filepath"
@@ -14,10 +13,13 @@ import (
 	"strings"
 	"time"
 
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
+
 	"github.com/GeertJohan/yubigo"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 	"github.com/pquerna/otp/totp"
 	"golang.org/x/crypto/bcrypt"
 )
@@ -31,10 +33,10 @@ type LDAPOpsHandler interface {
 	GetCfg() *config.Config
 	GetYubikeyAuth() *yubigo.YubiAuth
 
-	FindUser(userName string, searchByUPN bool) (f bool, u config.User, err error)
-	FindGroup(groupName string) (f bool, g config.Group, err error)
-	FindPosixAccounts(hierarchy string) (entrylist []*ldap.Entry, err error)
-	FindPosixGroups(hierarchy string) (entrylist []*ldap.Entry, err error)
+	FindUser(ctx context.Context, userName string, searchByUPN bool) (f bool, u config.User, err error)
+	FindGroup(ctx context.Context, groupName string) (f bool, g config.Group, err error)
+	FindPosixAccounts(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error)
+	FindPosixGroups(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error)
 }
 
 type failedBind struct {
@@ -50,18 +52,24 @@ type sourceInfo struct {
 type LDAPOpsHelper struct {
 	sources     map[string]*sourceInfo
 	nextPruning time.Time
+
+	tracer trace.Tracer
 }
 
-func NewLDAPOpsHelper() LDAPOpsHelper {
+func NewLDAPOpsHelper(tracer trace.Tracer) LDAPOpsHelper {
 	helper := LDAPOpsHelper{
 		sources:     make(map[string]*sourceInfo),
 		nextPruning: time.Now(),
+		tracer:      tracer,
 	}
 	return helper
 }
 
-func (l LDAPOpsHelper) Bind(h LDAPOpsHandler, bindDN, bindSimplePw string, conn net.Conn) (resultCode ldap.LDAPResultCode, err error) {
-	if l.isInTimeout(h, conn) {
+func (l LDAPOpsHelper) Bind(ctx context.Context, h LDAPOpsHandler, bindDN, bindSimplePw string, conn net.Conn) (resultCode ldap.LDAPResultCode, err error) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.Bind")
+	defer span.End()
+
+	if l.isInTimeout(ctx, h, conn) {
 		return ldap.LDAPResultUnwillingToPerform, nil
 	}
 
@@ -78,7 +86,7 @@ func (l LDAPOpsHelper) Bind(h LDAPOpsHandler, bindDN, bindSimplePw string, conn
 		return ldap.LDAPResultSuccess, nil
 	}
 
-	user, ldapcode := l.findUser(h, bindDN, true /* checkGroup */)
+	user, ldapcode := l.findUser(ctx, h, bindDN, true /* checkGroup */)
 	if ldapcode != ldap.LDAPResultSuccess {
 		return ldapcode, nil
 	}
@@ -176,7 +184,7 @@ func (l LDAPOpsHelper) Bind(h LDAPOpsHandler, bindDN, bindSimplePw string, conn
 		}
 		if bcrypt.CompareHashAndPassword(decoded, []byte(bindSimplePw)) != nil {
 			h.GetLog().Info().Str("binddn", bindDN).Str("src", conn.RemoteAddr().String()).Msg("invalid credentials")
-			l.maybePutInTimeout(h, conn, true)
+			l.maybePutInTimeout(ctx, h, conn, true)
 			return ldap.LDAPResultInvalidCredentials, nil
 		}
 	}
@@ -185,7 +193,7 @@ func (l LDAPOpsHelper) Bind(h LDAPOpsHandler, bindDN, bindSimplePw string, conn
 		hash.Write([]byte(bindSimplePw))
 		if user.PassSHA256 != hex.EncodeToString(hash.Sum(nil)) {
 			h.GetLog().Info().Str("binddn", bindDN).Str("src", conn.RemoteAddr().String()).Msg("invalid credentials")
-			l.maybePutInTimeout(h, conn, true)
+			l.maybePutInTimeout(ctx, h, conn, true)
 			return ldap.LDAPResultInvalidCredentials, nil
 		}
 	}
@@ -210,8 +218,11 @@ func (l LDAPOpsHelper) Bind(h LDAPOpsHandler, bindDN, bindSimplePw string, conn
  * TODO #5:
  * Document roll out of schemas
  */
-func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
-	if l.isInTimeout(h, conn) {
+func (l LDAPOpsHelper) Search(ctx context.Context, h LDAPOpsHandler, bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.Search")
+	defer span.End()
+
+	if l.isInTimeout(ctx, h, conn) {
 		return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultUnwillingToPerform}, fmt.Errorf("Source is in a timeout")
 	}
 
@@ -225,7 +236,7 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 	var ldapcode ldap.LDAPResultCode
 
 	if !anonymous {
-		if bindDN, boundUser, ldapcode = l.searchCheckBindDN(h, baseDN, bindDN, anonymous); ldapcode != ldap.LDAPResultSuccess {
+		if bindDN, boundUser, ldapcode = l.searchCheckBindDN(ctx, h, baseDN, bindDN, anonymous); ldapcode != ldap.LDAPResultSuccess {
 			return ldap.ServerSearchResult{ResultCode: ldapcode}, fmt.Errorf("Search Error: Potential bypass of BindDN %s", bindDN)
 		}
 	}
@@ -233,7 +244,7 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 	h.GetLog().Info().Str("binddn", bindDN).Str("basedn", baseDN).Str("searchbasedn", searchBaseDN).Str("src", conn.RemoteAddr().String()).Int("scope", searchReq.Scope).Str("filter", searchReq.Filter).Msg("Search request")
 	stats.Frontend.Add("search_reqs", 1)
 
-	switch entries, ldapcode := l.searchMaybeRootDSEQuery(h, baseDN, searchBaseDN, searchReq, anonymous); ldapcode {
+	switch entries, ldapcode := l.searchMaybeRootDSEQuery(ctx, h, baseDN, searchBaseDN, searchReq, anonymous); ldapcode {
 	case ldap.LDAPResultUnwillingToPerform:
 		return ldap.ServerSearchResult{ResultCode: ldapcode}, fmt.Errorf("Search Error: No BaseDN provided")
 	case ldap.LDAPResultInsufficientAccessRights:
@@ -247,9 +258,9 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 		return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: Anonymous BindDN not allowed %s", bindDN)
 	}
 
-	switch entries, ldapcode, attributename := l.searchMaybeSchemaQuery(h, baseDN, searchBaseDN, searchReq, anonymous); ldapcode {
+	switch entries, ldapcode, attributename := l.searchMaybeSchemaQuery(ctx, h, baseDN, searchBaseDN, searchReq, anonymous); ldapcode {
 	case ldap.LDAPResultOperationsError:
-		return ldap.ServerSearchResult{ResultCode: ldapcode}, fmt.Errorf("Schema Error: attribute %s cannot be read", attributename)
+		return ldap.ServerSearchResult{ResultCode: ldapcode}, fmt.Errorf("Schema Error: attribute %s cannot be read", *attributename)
 	case ldap.LDAPResultSuccess:
 		return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldapcode}, nil
 	}
@@ -264,21 +275,21 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 		return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: search BaseDN %s is not in our BaseDN %s", searchBaseDN, h.GetBackend().BaseDN)
 	}
 	// Unless globally ignored, we will check that a user has capabilities allowing them to perform a search in the requested BaseDN
-	if !h.GetCfg().Behaviors.IgnoreCapabilities && !l.checkCapability(*boundUser, "search", []string{"*", searchBaseDN}) {
+	if !h.GetCfg().Behaviors.IgnoreCapabilities && !l.checkCapability(ctx, *boundUser, "search", []string{"*", searchBaseDN}) {
 		return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: no capability allowing BindDN %s to perform search in %s", bindDN, searchBaseDN)
 	}
 
-	switch entries, ldapcode := l.searchMaybeTopLevelNodes(h, baseDN, searchBaseDN, searchReq); ldapcode {
+	switch entries, ldapcode := l.searchMaybeTopLevelNodes(ctx, h, baseDN, searchBaseDN, searchReq); ldapcode {
 	case ldap.LDAPResultSuccess:
 		return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldapcode}, nil
 	}
 
-	switch entries, ldapcode := l.searchMaybeTopLevelGroupsNode(h, baseDN, searchBaseDN, searchReq); ldapcode {
+	switch entries, ldapcode := l.searchMaybeTopLevelGroupsNode(ctx, h, baseDN, searchBaseDN, searchReq); ldapcode {
 	case ldap.LDAPResultSuccess:
 		return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldapcode}, nil
 	}
 
-	switch entries, ldapcode := l.searchMaybeTopLevelUsersNode(h, baseDN, searchBaseDN, searchReq); ldapcode {
+	switch entries, ldapcode := l.searchMaybeTopLevelUsersNode(ctx, h, baseDN, searchBaseDN, searchReq); ldapcode {
 	case ldap.LDAPResultSuccess:
 		return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldapcode}, nil
 	}
@@ -288,12 +299,12 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 		return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, fmt.Errorf("Search Error: error parsing filter: %s", searchReq.Filter)
 	}
 
-	switch entries, ldapcode := l.searchMaybePosixGroups(h, baseDN, searchBaseDN, searchReq, filterEntity); ldapcode {
+	switch entries, ldapcode := l.searchMaybePosixGroups(ctx, h, baseDN, searchBaseDN, searchReq, filterEntity); ldapcode {
 	case ldap.LDAPResultSuccess:
 		return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldapcode}, nil
 	}
 
-	switch entries, ldapcode := l.searchMaybePosixAccounts(h, baseDN, searchBaseDN, searchReq, filterEntity); ldapcode {
+	switch entries, ldapcode := l.searchMaybePosixAccounts(ctx, h, baseDN, searchBaseDN, searchReq, filterEntity); ldapcode {
 	case ldap.LDAPResultSuccess:
 		stats.Frontend.Add("search_successes", 1)
 		h.GetLog().Info().Str("filter", searchReq.Filter).Msg("AP: Search OK")
@@ -306,8 +317,11 @@ func (l LDAPOpsHelper) Search(h LDAPOpsHandler, bindDN string, searchReq ldap.Se
 }
 
 // Returns: LDAPResultSuccess or any ldap code returned by findUser
-func (l LDAPOpsHelper) searchCheckBindDN(h LDAPOpsHandler, baseDN string, bindDN string, anonymous bool) (newBindDN string, boundUser *config.User, ldapresultcode ldap.LDAPResultCode) {
-	boundUser, ldapcode := l.findUser(h, bindDN, false /* checkGroup */)
+func (l LDAPOpsHelper) searchCheckBindDN(ctx context.Context, h LDAPOpsHandler, baseDN string, bindDN string, anonymous bool) (newBindDN string, boundUser *config.User, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchCheckBindDN")
+	defer span.End()
+
+	boundUser, ldapcode := l.findUser(ctx, h, bindDN, false /* checkGroup */)
 	if ldapcode != ldap.LDAPResultSuccess {
 		return "", nil, ldapcode
 	}
@@ -323,7 +337,10 @@ func (l LDAPOpsHelper) searchCheckBindDN(h LDAPOpsHandler, baseDN string, bindDN
 
 // Search RootDSE and return information on the server
 // Returns: LDAPResultSuccess, LDAPResultOther, LDAPResultUnwillingToPerform, LDAPResultInsufficientAccessRights
-func (l LDAPOpsHelper) searchMaybeRootDSEQuery(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, anonymous bool) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybeRootDSEQuery(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, anonymous bool) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybeRootDSEQuery")
+	defer span.End()
+
 	if searchBaseDN != "" {
 		return nil, ldap.LDAPResultOther // OK
 	}
@@ -349,7 +366,7 @@ func (l LDAPOpsHelper) searchMaybeRootDSEQuery(h LDAPOpsHandler, baseDN string,
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "serverName", Values: []string{"unknown"}})
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "namingContexts", Values: []string{baseDN}})
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "defaultNamingContext", Values: []string{baseDN}})
-	attrs = l.collectRequestedAttributesBack(attrs, searchReq)
+	attrs = l.collectRequestedAttributesBack(ctx, attrs, searchReq)
 	entries = append(entries, &ldap.Entry{DN: searchBaseDN, Attributes: attrs})
 	stats.Frontend.Add("search_successes", 1)
 	h.GetLog().Info().Str("filter", searchReq.Filter).Msg("AP: Root Search OK")
@@ -358,7 +375,10 @@ func (l LDAPOpsHelper) searchMaybeRootDSEQuery(h LDAPOpsHandler, baseDN string,
 
 // Search and return the information, after indirection from the RootDSE
 // Returns: LDAPResultSuccess, LDAPResultOther, LDAPResultOperationsError
-func (l LDAPOpsHelper) searchMaybeSchemaQuery(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, anonymous bool) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode, attributename *string) {
+func (l LDAPOpsHelper) searchMaybeSchemaQuery(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, anonymous bool) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode, attributename *string) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybeSchemaQuery")
+	defer span.End()
+
 	if searchBaseDN != "cn=schema" {
 		return nil, ldap.LDAPResultOther, nil // OK
 	}
@@ -371,7 +391,7 @@ func (l LDAPOpsHelper) searchMaybeSchemaQuery(h LDAPOpsHandler, baseDN string, s
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "modifiersName", Values: []string{"cn=Directory Manager"}})
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "modifyTimeStamp", Values: []string{"Mar 8, 2021, 12:46:29 PM PST (20210308204629Z)"}})
 	// Iterate through schema attributes provided in schema/ directory
-	filenames, _ := ioutil.ReadDir("schema")
+	filenames, _ := os.ReadDir("schema")
 	for _, filename := range filenames {
 		attributename := new(string)
 		*attributename = filename.Name()
@@ -388,7 +408,7 @@ func (l LDAPOpsHelper) searchMaybeSchemaQuery(h LDAPOpsHandler, baseDN string, s
 		}
 		attrs = append(attrs, &ldap.EntryAttribute{Name: filename.Name(), Values: values})
 	}
-	attrs = l.collectRequestedAttributesBack(attrs, searchReq)
+	attrs = l.collectRequestedAttributesBack(ctx, attrs, searchReq)
 	entries = append(entries, &ldap.Entry{DN: searchBaseDN, Attributes: attrs})
 	stats.Frontend.Add("search_successes", 1)
 	h.GetLog().Info().Str("filter", searchReq.Filter).Msg("AP: Schema Discovery OK")
@@ -397,25 +417,28 @@ func (l LDAPOpsHelper) searchMaybeSchemaQuery(h LDAPOpsHandler, baseDN string, s
 
 // Retrieve the top-levell nodes, i.e. the baseDN, groups, members...
 // Returns: LDAPResultSuccess, LDAPResultOther
-func (l LDAPOpsHelper) searchMaybeTopLevelNodes(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybeTopLevelNodes(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybeTopLevelNodes")
+	defer span.End()
+
 	if baseDN != searchBaseDN {
 		return nil, ldap.LDAPResultOther // OK
 	}
 	h.GetLog().Info().Str("special case", "top-level browse").Msg("Search request")
 	entries := []*ldap.Entry{}
 	if searchReq.Scope == ldap.ScopeBaseObject || searchReq.Scope == ldap.ScopeWholeSubtree {
-		entries = append(entries, l.topLevelRootNode(searchBaseDN))
+		entries = append(entries, l.topLevelRootNode(ctx, searchBaseDN))
 	}
-	entries = append(entries, l.topLevelGroupsNode(searchBaseDN, "groups"))
-	entries = append(entries, l.topLevelUsersNode(searchBaseDN))
+	entries = append(entries, l.topLevelGroupsNode(ctx, searchBaseDN, "groups"))
+	entries = append(entries, l.topLevelUsersNode(ctx, searchBaseDN))
 	if searchReq.Scope == ldap.ScopeWholeSubtree {
-		groupentries, err := h.FindPosixGroups("ou=users")
+		groupentries, err := h.FindPosixGroups(ctx, "ou=users")
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
 		entries = append(entries, groupentries...)
 
-		userentries, err := h.FindPosixAccounts("ou=users")
+		userentries, err := h.FindPosixAccounts(ctx, "ou=users")
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
@@ -428,17 +451,20 @@ func (l LDAPOpsHelper) searchMaybeTopLevelNodes(h LDAPOpsHandler, baseDN string,
 
 // Search starting from and including the ou=groups node
 // Returns: LDAPResultSuccess, LDAPResultOther
-func (l LDAPOpsHelper) searchMaybeTopLevelGroupsNode(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybeTopLevelGroupsNode(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybeTopLevelGroupsNode")
+	defer span.End()
+
 	if searchBaseDN != fmt.Sprintf("ou=groups,%s", baseDN) {
 		return nil, ldap.LDAPResultOther // OK
 	}
 	h.GetLog().Info().Str("special case", "top-level groups node").Msg("Search request")
 	entries := []*ldap.Entry{}
 	if searchReq.Scope == ldap.ScopeBaseObject || searchReq.Scope == ldap.ScopeWholeSubtree {
-		entries = append(entries, l.topLevelGroupsNode(searchBaseDN, "groups"))
+		entries = append(entries, l.topLevelGroupsNode(ctx, searchBaseDN, "groups"))
 	}
 	if searchReq.Scope == ldap.ScopeSingleLevel || searchReq.Scope == ldap.ScopeWholeSubtree {
-		groupentries, err := h.FindPosixGroups("ou=groups")
+		groupentries, err := h.FindPosixGroups(ctx, "ou=groups")
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
@@ -451,24 +477,27 @@ func (l LDAPOpsHelper) searchMaybeTopLevelGroupsNode(h LDAPOpsHandler, baseDN st
 
 // Search starting from and including the ou=users node
 // Returns: LDAPResultSuccess, LDAPResultOther
-func (l LDAPOpsHelper) searchMaybeTopLevelUsersNode(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybeTopLevelUsersNode(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybeTopLevelUsersNode")
+	defer span.End()
+
 	if searchBaseDN != fmt.Sprintf("ou=users,%s", baseDN) {
 		return nil, ldap.LDAPResultOther // OK
 	}
 	h.GetLog().Info().Str("special case", "top-level users node").Msg("Search request")
 	entries := []*ldap.Entry{}
 	if searchReq.Scope == ldap.ScopeBaseObject || searchReq.Scope == ldap.ScopeWholeSubtree {
-		entries = append(entries, l.topLevelUsersNode(searchBaseDN))
+		entries = append(entries, l.topLevelUsersNode(ctx, searchBaseDN))
 	}
 	if searchReq.Scope == ldap.ScopeSingleLevel || searchReq.Scope == ldap.ScopeWholeSubtree {
-		groupentries, err := h.FindPosixGroups("ou=users")
+		groupentries, err := h.FindPosixGroups(ctx, "ou=users")
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
 		entries = append(entries, groupentries...)
 	}
 	if searchReq.Scope == ldap.ScopeWholeSubtree {
-		userentries, err := h.FindPosixAccounts("ou=users")
+		userentries, err := h.FindPosixAccounts(ctx, "ou=users")
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
@@ -481,7 +510,10 @@ func (l LDAPOpsHelper) searchMaybeTopLevelUsersNode(h LDAPOpsHandler, baseDN str
 
 // Look up posixgroup entries, either through objectlass or parent is ou=groups or ou=users
 // Returns: LDAPResultSuccess, LDAPResultOther, LDAPResultOperationsError
-func (l LDAPOpsHelper) searchMaybePosixGroups(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, filterEntity string) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybePosixGroups(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, filterEntity string) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybePosixGroups")
+	defer span.End()
+
 	hierarchy := "ou=groups"
 	if filterEntity != "posixgroup" {
 		bits := strings.Split(strings.Replace(searchBaseDN, baseDN, "", 1), ",")
@@ -493,19 +525,19 @@ func (l LDAPOpsHelper) searchMaybePosixGroups(h LDAPOpsHandler, baseDN string, s
 	h.GetLog().Info().Str("special case", "posix groups").Msg("Search request")
 	entries := []*ldap.Entry{}
 	if searchReq.Scope == ldap.ScopeBaseObject || searchReq.Scope == ldap.ScopeWholeSubtree {
-		groupentries, err := h.FindPosixGroups(hierarchy)
+		groupentries, err := h.FindPosixGroups(ctx, hierarchy)
 		if err != nil {
 			return nil, ldap.LDAPResultOperationsError
 		}
-		entries = append(entries, l.preFilterEntries(searchBaseDN, groupentries)...)
+		entries = append(entries, l.preFilterEntries(ctx, searchBaseDN, groupentries)...)
 	}
 	if searchReq.Scope == ldap.ScopeSingleLevel || searchReq.Scope == ldap.ScopeWholeSubtree {
 		if hierarchy == "ou=users" {
-			userentries, err := h.FindPosixAccounts("ou=users")
+			userentries, err := h.FindPosixAccounts(ctx, "ou=users")
 			if err != nil {
 				return nil, ldap.LDAPResultOperationsError
 			}
-			entries = append(entries, l.preFilterEntries(searchBaseDN, userentries)...)
+			entries = append(entries, l.preFilterEntries(ctx, searchBaseDN, userentries)...)
 		}
 	}
 	stats.Frontend.Add("search_successes", 1)
@@ -516,7 +548,10 @@ func (l LDAPOpsHelper) searchMaybePosixGroups(h LDAPOpsHandler, baseDN string, s
 // Lookup posixaccount entries
 // Returns: LDAPResultSuccess, LDAPResultOther, LDAPResultOperationsError
 // This function ignores scopes... for now
-func (l LDAPOpsHelper) searchMaybePosixAccounts(h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, filterEntity string) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) searchMaybePosixAccounts(ctx context.Context, h LDAPOpsHandler, baseDN string, searchBaseDN string, searchReq ldap.SearchRequest, filterEntity string) (resultentries []*ldap.Entry, ldapresultcode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.searchMaybePosixAccounts")
+	defer span.End()
+
 	switch filterEntity {
 	case "posixaccount", "shadowaccount", "":
 		h.GetLog().Info().Str("default case", filterEntity).Msg("Search request")
@@ -530,7 +565,7 @@ func (l LDAPOpsHelper) searchMaybePosixAccounts(h LDAPOpsHandler, baseDN string,
 		hierarchyString = "ou=users"
 	}
 
-	unscopedEntries, err := h.FindPosixAccounts(hierarchyString)
+	unscopedEntries, err := h.FindPosixAccounts(ctx, hierarchyString)
 	if err != nil {
 		return nil, ldap.LDAPResultOperationsError
 	}
@@ -548,7 +583,7 @@ func (l LDAPOpsHelper) searchMaybePosixAccounts(h LDAPOpsHandler, baseDN string,
 	return entries, ldap.LDAPResultSuccess
 }
 
-func (l LDAPOpsHelper) topLevelRootNode(searchBaseDN string) *ldap.Entry {
+func (l LDAPOpsHelper) topLevelRootNode(ctx context.Context, searchBaseDN string) *ldap.Entry {
 	attrs := []*ldap.EntryAttribute{}
 	dnBits := strings.Split(searchBaseDN, ",")
 	for _, dnBit := range dnBits {
@@ -559,7 +594,7 @@ func (l LDAPOpsHelper) topLevelRootNode(searchBaseDN string) *ldap.Entry {
 	return &ldap.Entry{DN: searchBaseDN, Attributes: attrs}
 }
 
-func (l LDAPOpsHelper) topLevelGroupsNode(searchBaseDN string, hierarchy string) *ldap.Entry {
+func (l LDAPOpsHelper) topLevelGroupsNode(ctx context.Context, searchBaseDN string, hierarchy string) *ldap.Entry {
 	attrs := []*ldap.EntryAttribute{}
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "ou", Values: []string{"groups"}})
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"organizationalUnit", "top"}})
@@ -571,7 +606,7 @@ func (l LDAPOpsHelper) topLevelGroupsNode(searchBaseDN string, hierarchy string)
 	return &ldap.Entry{DN: dn, Attributes: attrs}
 }
 
-func (l LDAPOpsHelper) topLevelUsersNode(searchBaseDN string) *ldap.Entry {
+func (l LDAPOpsHelper) topLevelUsersNode(ctx context.Context, searchBaseDN string) *ldap.Entry {
 	attrs := []*ldap.EntryAttribute{}
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "ou", Values: []string{"users"}})
 	attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"organizationalUnit", "top"}})
@@ -586,7 +621,7 @@ func (l LDAPOpsHelper) topLevelUsersNode(searchBaseDN string) *ldap.Entry {
 // querying groups and users under a certain node (e.g. ou=users) with a scope of "sub"
 // (and only in this scenario!) will defeat the LDAP library's filtering capabilities.
 // Some day, hopefully, I'll fix this directly in the library.
-func (l LDAPOpsHelper) preFilterEntries(searchBaseDN string, entries []*ldap.Entry) (resultentries []*ldap.Entry) {
+func (l LDAPOpsHelper) preFilterEntries(ctx context.Context, searchBaseDN string, entries []*ldap.Entry) (resultentries []*ldap.Entry) {
 	filteredEntries := []*ldap.Entry{}
 	for _, entry := range entries {
 		if strings.HasSuffix(entry.DN, searchBaseDN) {
@@ -596,7 +631,9 @@ func (l LDAPOpsHelper) preFilterEntries(searchBaseDN string, entries []*ldap.Ent
 	return filteredEntries
 }
 
-func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool) (userWhenFound *config.User, resultCode ldap.LDAPResultCode) {
+func (l LDAPOpsHelper) findUser(ctx context.Context, h LDAPOpsHandler, bindDN string, checkGroup bool) (userWhenFound *config.User, resultCode ldap.LDAPResultCode) {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.findUser")
+	defer span.End()
 
 	var user config.User
 
@@ -606,7 +643,7 @@ func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool
 	// Not using mail.ParseAddress/1 because we would allow incorrectly formatted UPNs
 	if emailmatcher.MatchString(bindDN) {
 		var foundUser bool // = false
-		foundUser, user, _ = h.FindUser(bindDN, true)
+		foundUser, user, _ = h.FindUser(ctx, bindDN, true)
 		if !foundUser {
 			h.GetLog().Info().Str("userprincipalname", bindDN).Msg("User not found")
 			return nil, ldap.LDAPResultInvalidCredentials
@@ -623,7 +660,7 @@ func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool
 		userName := ""
 		if len(parts) == 1 {
 			userName = strings.TrimPrefix(parts[0], h.GetBackend().NameFormat+"=")
-		} else if len(parts) == 2 || (len(parts) == 3 && parts[2] == fmt.Sprintf("%s=users", h.GetBackend().GroupFormat)) {
+		} else if len(parts) == 2 || (len(parts) == 3 && parts[2] == "ou=users") {
 			userName = strings.TrimPrefix(parts[0], h.GetBackend().NameFormat+"=")
 			groupName = strings.TrimPrefix(parts[1], h.GetBackend().GroupFormat+"=")
 		} else {
@@ -636,7 +673,7 @@ func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool
 
 		// find the user
 		var foundUser bool // = false
-		foundUser, user, _ = h.FindUser(userName, false)
+		foundUser, user, _ = h.FindUser(ctx, userName, false)
 		if !foundUser {
 			h.GetLog().Info().Str("username", userName).Msg("User not found")
 			return nil, ldap.LDAPResultInvalidCredentials
@@ -646,7 +683,7 @@ func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool
 			var group config.Group // = nil
 			var foundGroup bool    // = false
 			if groupName != "" {
-				foundGroup, group, _ = h.FindGroup(groupName)
+				foundGroup, group, _ = h.FindGroup(ctx, groupName)
 				if !foundGroup {
 					h.GetLog().Info().Str("groupname", groupName).Msg("Group not found")
 					return nil, ldap.LDAPResultInvalidCredentials
@@ -664,7 +701,7 @@ func (l LDAPOpsHelper) findUser(h LDAPOpsHandler, bindDN string, checkGroup bool
 	return &user, ldap.LDAPResultSuccess
 }
 
-func (l LDAPOpsHelper) checkCapability(user config.User, action string, objects []string) bool {
+func (l LDAPOpsHelper) checkCapability(ctx context.Context, user config.User, action string, objects []string) bool {
 	for _, capability := range user.Capabilities {
 		if capability.Action == action {
 			for _, object := range objects {
@@ -680,7 +717,10 @@ func (l LDAPOpsHelper) checkCapability(user config.User, action string, objects
 // If your query is for, say 'objectClass', then our LDAP
 // library will weed out this entry since it does *not* contain an objectclass attribute
 // so we are going to re-inject it to keep the LDAP library happy
-func (l LDAPOpsHelper) collectRequestedAttributesBack(attrs []*ldap.EntryAttribute, searchReq ldap.SearchRequest) []*ldap.EntryAttribute {
+func (l LDAPOpsHelper) collectRequestedAttributesBack(ctx context.Context, attrs []*ldap.EntryAttribute, searchReq ldap.SearchRequest) []*ldap.EntryAttribute {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.collectRequestedAttributesBack")
+	defer span.End()
+
 	attbits := configattributematcher.FindStringSubmatch(searchReq.Filter)
 	if len(attbits) == 3 {
 		foundattname := false
@@ -699,13 +739,16 @@ func (l LDAPOpsHelper) collectRequestedAttributesBack(attrs []*ldap.EntryAttribu
 }
 
 // return true if we should not process the current operation
-func (l LDAPOpsHelper) isInTimeout(handler LDAPOpsHandler, conn net.Conn) bool {
+func (l LDAPOpsHelper) isInTimeout(ctx context.Context, handler LDAPOpsHandler, conn net.Conn) bool {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.isInTimeout")
+	defer span.End()
+
 	cfg := handler.GetCfg()
 	if !cfg.Behaviors.LimitFailedBinds {
 		return false
 	}
 
-	remoteAddr := l.getAddr(conn)
+	remoteAddr := l.getAddr(ctx, conn)
 	now := time.Now()
 	info, ok := l.sources[remoteAddr]
 	if !ok {
@@ -725,13 +768,16 @@ func (l LDAPOpsHelper) isInTimeout(handler LDAPOpsHandler, conn net.Conn) bool {
 	return false
 }
 
-func (l LDAPOpsHelper) maybePutInTimeout(handler LDAPOpsHandler, conn net.Conn, noteFailure bool) bool {
+func (l LDAPOpsHelper) maybePutInTimeout(ctx context.Context, handler LDAPOpsHandler, conn net.Conn, noteFailure bool) bool {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.maybePutInTimeout")
+	defer span.End()
+
 	cfg := handler.GetCfg()
 	if !cfg.Behaviors.LimitFailedBinds {
 		return false
 	}
 
-	remoteAddr := l.getAddr(conn)
+	remoteAddr := l.getAddr(ctx, conn)
 	now := time.Now()
 	info, _ := l.sources[remoteAddr]
 	// if we have a failed bind...
@@ -765,7 +811,10 @@ func (l LDAPOpsHelper) maybePutInTimeout(handler LDAPOpsHandler, conn net.Conn,
 	return false
 }
 
-func (l LDAPOpsHelper) getAddr(conn net.Conn) string {
+func (l LDAPOpsHelper) getAddr(ctx context.Context, conn net.Conn) string {
+	ctx, span := l.tracer.Start(ctx, "handler.LDAPOpsHelper.getAddr")
+	defer span.End()
+
 	fullAddr := conn.RemoteAddr().String()
 	sep := strings.LastIndex(fullAddr, ":")
 	if sep == -1 {

v2/pkg/handler/options.go

@@ -2,9 +2,12 @@ package handler
 
 import (
 	"context"
+
 	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
 
 	"github.com/GeertJohan/yubigo"
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 )
 
@@ -21,6 +24,8 @@ type Options struct {
 	YubiAuth   *yubigo.YubiAuth
 	Helper     Handler
 	LDAPHelper LDAPOpsHelper
+	Monitor    monitoring.MonitorInterface
+	Tracer     trace.Tracer
 }
 
 // newOptions initializes the available default options.
@@ -100,3 +105,17 @@ func LDAPHelper(val LDAPOpsHelper) Option {
 		o.LDAPHelper = val
 	}
 }
+
+// Monitor provides a function to set the monitor option.
+func Monitor(val monitoring.MonitorInterface) Option {
+	return func(o *Options) {
+		o.Monitor = val
+	}
+}
+
+// Tracer provides a function to set the tracer option.
+func Tracer(val trace.Tracer) Option {
+	return func(o *Options) {
+		o.Tracer = val
+	}
+}

v2/pkg/handler/owncloud.go

@@ -6,16 +6,20 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/rs/zerolog"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/http"
 	"strings"
 	"sync"
+	"time"
 
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 	msgraph "github.com/yaegashi/msgraph.go/v1.0"
 )
 
@@ -33,12 +37,46 @@ type ownCloudHandler struct {
 	client   *http.Client
 	sessions map[string]ownCloudSession
 	lock     *sync.Mutex
+
+	monitor monitoring.MonitorInterface
+	tracer  trace.Tracer
 }
 
 // global lock for ownCloudHandler sessions & servers manipulation
 var ownCloudLock sync.Mutex
 
-func (h ownCloudHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (ldap.LDAPResultCode, error) {
+func NewOwnCloudHandler(opts ...Option) Handler {
+	options := newOptions(opts...)
+
+	return ownCloudHandler{
+		backend:  options.Backend,
+		log:      options.Logger,
+		sessions: make(map[string]ownCloudSession),
+		lock:     &ownCloudLock,
+		client: &http.Client{
+			CheckRedirect: func(req *http.Request, via []*http.Request) error {
+				return http.ErrUseLastResponse
+			},
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{
+					InsecureSkipVerify: options.Backend.Insecure,
+				},
+			},
+		},
+		monitor: options.Monitor,
+		tracer:  options.Tracer,
+	}
+}
+
+func (h ownCloudHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "bind", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
+
 	bindDN = strings.ToLower(bindDN)
 	baseDN := strings.ToLower("," + h.backend.BaseDN)
 
@@ -83,7 +121,15 @@ func (h ownCloudHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (ldap.
 	return ldap.LDAPResultSuccess, nil
 }
 
-func (h ownCloudHandler) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (ldap.ServerSearchResult, error) {
+func (h ownCloudHandler) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "search", "status": fmt.Sprintf("%v", result.ResultCode)},
+			time.Since(start).Seconds(),
+		)
+	}()
+
 	bindDN = strings.ToLower(bindDN)
 	baseDN := strings.ToLower("," + h.backend.BaseDN)
 	searchBaseDN := strings.ToLower(searchReq.BaseDN)
@@ -133,7 +179,7 @@ func (h ownCloudHandler) Search(bindDN string, searchReq ldap.SearchRequest, con
 
 				attrs = append(attrs, &ldap.EntryAttribute{Name: "memberUid", Values: members})
 			}
-			dn := fmt.Sprintf("cn=%s,%s=groups,%s", *g.ID, h.backend.GroupFormat, h.backend.BaseDN)
+			dn := fmt.Sprintf("%s=%s,ou=groups,%s", h.backend.GroupFormat, *g.ID, h.backend.BaseDN)
 			entries = append(entries, &ldap.Entry{DN: dn, Attributes: attrs})
 		}
 	case "posixaccount", "":
@@ -174,25 +220,55 @@ func (h ownCloudHandler) Search(bindDN string, searchReq ldap.SearchRequest, con
 
 // Add is not yet supported for the owncloud backend
 func (h ownCloudHandler) Add(boundDN string, req ldap.AddRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "add", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Modify is not yet supported for the owncloud backend
 func (h ownCloudHandler) Modify(boundDN string, req ldap.ModifyRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "modify", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Delete is not yet supported for the owncloud backend
 func (h ownCloudHandler) Delete(boundDN string, deleteDN string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "handler.configHandler.Delete")
+	defer span.End()
+
+	start := time.Now()
+	defer func() {
+		h.monitor.SetResponseTimeMetric(
+			map[string]string{"operation": "delete", "status": fmt.Sprintf("%v", result)},
+			time.Since(start).Seconds(),
+		)
+	}()
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // FindUser with the given username. Called by the ldap backend to authenticate the bind. Optional
-func (h ownCloudHandler) FindUser(userName string, searchByUPN bool) (found bool, user config.User, err error) {
+func (h ownCloudHandler) FindUser(ctx context.Context, userName string, searchByUPN bool) (found bool, user config.User, err error) {
+	_, span := h.tracer.Start(ctx, "handler.ownCloudHandler.FindUser")
+	defer span.End()
+
 	return false, config.User{}, nil
 }
 
-func (h ownCloudHandler) FindGroup(groupName string) (found bool, group config.Group, err error) {
+func (h ownCloudHandler) FindGroup(ctx context.Context, groupName string) (found bool, group config.Group, err error) {
+	_, span := h.tracer.Start(ctx, "handler.ownCloudHandler.FindGroup")
+	defer span.End()
+
 	return false, config.Group{}, nil
 }
 
@@ -255,7 +331,7 @@ func (s ownCloudSession) getGroups() ([]msgraph.Group, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
-	b, err := ioutil.ReadAll(resp.Body)
+	b, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
@@ -326,7 +402,7 @@ func (s ownCloudSession) getUsers(userName string) ([]msgraph.User, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
-	b, err := ioutil.ReadAll(resp.Body)
+	b, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
@@ -352,24 +428,3 @@ func (s ownCloudSession) redirectPolicyFunc(req *http.Request, via []*http.Reque
 	req.SetBasicAuth(s.user, s.password)
 	return nil
 }
-
-func NewOwnCloudHandler(opts ...Option) Handler {
-	options := newOptions(opts...)
-
-	return ownCloudHandler{
-		backend:  options.Backend,
-		log:      options.Logger,
-		sessions: make(map[string]ownCloudSession),
-		lock:     &ownCloudLock,
-		client: &http.Client{
-			CheckRedirect: func(req *http.Request, via []*http.Request) error {
-				return http.ErrUseLastResponse
-			},
-			Transport: &http.Transport{
-				TLSClientConfig: &tls.Config{
-					InsecureSkipVerify: options.Backend.Insecure,
-				},
-			},
-		},
-	}
-}

v2/pkg/logging/loghandler_other.go

@@ -5,7 +5,6 @@ package logging
 
 import (
 	"fmt"
-	"github.com/rs/zerolog"
 	"io"
 	"log"
 	"log/syslog"
@@ -13,6 +12,8 @@ import (
 	"regexp"
 	"strings"
 	"time"
+
+	"github.com/rs/zerolog"
 )
 
 // We will use this package to wrap log messages coming from libraries who have no interest

v2/pkg/logging/loghandler_windows.go

@@ -5,13 +5,14 @@ package logging
 
 import (
 	"fmt"
-	"github.com/rs/zerolog"
 	"io"
 	"log"
 	"os"
 	"regexp"
 	"strings"
 	"time"
+
+	"github.com/rs/zerolog"
 )
 
 // We will use this package to wrap log messages coming from libraries who have no interest

v2/pkg/plugins/basesqlhandler.go

@@ -1,11 +1,11 @@
 package plugins
 
 import (
+	"context"
 	"database/sql"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/rs/zerolog"
 	"net"
 	"os"
 	"regexp"
@@ -13,11 +13,17 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/rs/zerolog"
+	"github.com/uptrace/opentelemetry-go-extra/otelsql"
+	"go.opentelemetry.io/otel/attribute"
+	semconv "go.opentelemetry.io/otel/semconv/v1.10.0"
+	"go.opentelemetry.io/otel/trace"
+
 	"github.com/GeertJohan/yubigo"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/handler"
 	"github.com/glauth/glauth/v2/pkg/stats"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 )
 
 var configattributematcher = regexp.MustCompile(`(?i)\((?P<attribute>[a-zA-Z0-9]+)\s*=\s*(?P<value>.*)\)`)
@@ -28,7 +34,7 @@ type SqlBackend interface {
 	// Create db/schema if necessary
 	CreateSchema(db *sql.DB)
 	// Migrate schema if necessary
-	MigrateSchema(db *sql.DB, checker func(*sql.DB, string) bool)
+	MigrateSchema(db *sql.DB, checker func(*sql.DB, string, string) bool)
 	//
 	GetPrepareSymbol() string
 }
@@ -48,13 +54,21 @@ type databaseHandler struct {
 	MemGroups   []config.Group
 	ldohelper   handler.LDAPOpsHelper
 	attmatcher  *regexp.Regexp
+
+	tracer trace.Tracer
 }
 
 func NewDatabaseHandler(sqlBackend SqlBackend, opts ...handler.Option) handler.Handler {
 	options := handler.NewOptions(opts...)
 
 	// Note: we will never terminate this connection pool.
-	db, err := sql.Open(sqlBackend.GetDriverName(), options.Backend.Database)
+	db, err := otelsql.Open(
+		sqlBackend.GetDriverName(),
+		options.Backend.Database,
+		otelsql.WithAttributes(otlpDriverAttribute(sqlBackend)),
+		otelsql.WithDBName(options.Backend.Database),
+	)
+
 	if err != nil {
 		options.Logger.Error().Err(err).Msg(fmt.Sprintf("unable to open SQL database named '%s'", options.Backend.Database))
 		os.Exit(1)
@@ -78,7 +92,9 @@ func NewDatabaseHandler(sqlBackend SqlBackend, opts ...handler.Option) handler.H
 		sqlBackend:  sqlBackend,
 		database:    dbInfo,
 		ldohelper:   options.LDAPHelper,
-		attmatcher:  configattributematcher}
+		attmatcher:  configattributematcher,
+		tracer:      options.Tracer,
+	}
 
 	sqlBackend.CreateSchema(db)
 	sqlBackend.MigrateSchema(db, ColumnExists)
@@ -88,14 +104,24 @@ func NewDatabaseHandler(sqlBackend SqlBackend, opts ...handler.Option) handler.H
 	return handler
 }
 
-func ColumnExists(db *sql.DB, columnName string) bool {
+func ColumnExists(db *sql.DB, tableName string, columnName string) bool {
 	var found string
-	err := db.QueryRow(fmt.Sprintf(`SELECT COUNT(%s) FROM users`, columnName)).Scan(
+	err := db.QueryRowContext(context.Background(), fmt.Sprintf(`SELECT COUNT(%s) FROM %s`, columnName, tableName)).Scan(
 		&found)
-	if err != nil {
-		return false
+	return err == nil
+}
+
+func otlpDriverAttribute(backend SqlBackend) attribute.KeyValue {
+	switch backend.GetDriverName() {
+	case "sqlite3":
+		return semconv.DBSystemSqlite
+	case "postgres":
+		return semconv.DBSystemPostgreSQL
+	case "mysql":
+		return semconv.DBSystemMySQL
+	default:
+		return semconv.DBSystemOtherSQL
 	}
-	return true
 }
 
 func (h databaseHandler) GetBackend() config.Backend {
@@ -112,29 +138,47 @@ func (h databaseHandler) GetYubikeyAuth() *yubigo.YubiAuth {
 }
 
 func (h databaseHandler) Bind(bindDN, bindSimplePw string, conn net.Conn) (resultCode ldap.LDAPResultCode, err error) {
-	return h.ldohelper.Bind(h, bindDN, bindSimplePw, conn)
+	ctx, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Bind")
+	defer span.End()
+
+	return h.ldohelper.Bind(ctx, h, bindDN, bindSimplePw, conn)
 }
 
 func (h databaseHandler) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (result ldap.ServerSearchResult, err error) {
-	return h.ldohelper.Search(h, bindDN, searchReq, conn)
+	ctx, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Search")
+	defer span.End()
+
+	return h.ldohelper.Search(ctx, h, bindDN, searchReq, conn)
 }
 
 // Add is not yet supported for the sql backend
 func (h databaseHandler) Add(boundDN string, req ldap.AddRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Add")
+	defer span.End()
+
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Modify is not yet supported for the sql backend
 func (h databaseHandler) Modify(boundDN string, req ldap.ModifyRequest, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Modify")
+	defer span.End()
+
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
 // Delete is not yet supported for the sql backend
 func (h databaseHandler) Delete(boundDN string, deleteDN string, conn net.Conn) (result ldap.LDAPResultCode, err error) {
+	_, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Delete")
+	defer span.End()
+
 	return ldap.LDAPResultInsufficientAccessRights, nil
 }
 
-func (h databaseHandler) FindUser(userName string, searchByUPN bool) (f bool, u config.User, err error) {
+func (h databaseHandler) FindUser(ctx context.Context, userName string, searchByUPN bool) (f bool, u config.User, err error) {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.FindUser")
+	defer span.End()
+
 	var criterion string
 	if searchByUPN {
 		criterion = "lower(u.mail)"
@@ -146,11 +190,14 @@ func (h databaseHandler) FindUser(userName string, searchByUPN bool) (f bool, u
 	found := false
 
 	var disabled int
-	err = h.database.cnx.QueryRow(fmt.Sprintf(`
+	err = h.database.cnx.QueryRowContext(
+		ctx,
+		fmt.Sprintf(`
 			SELECT u.uidnumber,u.primarygroup,u.passbcrypt,u.passsha256,u.otpsecret,u.yubikey,u.disabled
 			FROM users u WHERE %s=%s`,
-		criterion,
-		h.sqlBackend.GetPrepareSymbol()), userName).Scan(
+			criterion,
+			h.sqlBackend.GetPrepareSymbol(),
+		), userName).Scan(
 		&user.UIDNumber, &user.PrimaryGroup, &user.PassBcrypt, &user.PassSHA256, &user.OTPSecret, &user.Yubikey, &disabled)
 	if err == nil {
 		user.Disabled = h.intToBool(disabled)
@@ -159,7 +206,7 @@ func (h databaseHandler) FindUser(userName string, searchByUPN bool) (f bool, u
 
 			if !h.cfg.Behaviors.IgnoreCapabilities {
 				capability := config.Capability{}
-				rows, err := h.database.cnx.Query(fmt.Sprintf(`
+				rows, err := h.database.cnx.QueryContext(ctx, fmt.Sprintf(`
 				SELECT c.action,c.object
 				FROM capabilities c WHERE userid=%s`,
 					h.sqlBackend.GetPrepareSymbol()), user.UIDNumber)
@@ -179,12 +226,17 @@ func (h databaseHandler) FindUser(userName string, searchByUPN bool) (f bool, u
 	return found, user, err
 }
 
-func (h databaseHandler) FindGroup(groupName string) (f bool, g config.Group, err error) {
+func (h databaseHandler) FindGroup(ctx context.Context, groupName string) (f bool, g config.Group, err error) {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.FindGroup")
+	defer span.End()
+
 	group := config.Group{}
 	found := false
 
-	err = h.database.cnx.QueryRow(fmt.Sprintf(`
-			SELECT g.gidnumber FROM groups g WHERE lower(name)=%s`, h.sqlBackend.GetPrepareSymbol()), groupName).Scan(
+	err = h.database.cnx.QueryRowContext(
+		ctx,
+		fmt.Sprintf(`
+			SELECT g.gidnumber FROM ldapgroups g WHERE lower(name)=%s`, h.sqlBackend.GetPrepareSymbol()), groupName).Scan(
 		&group.GIDNumber)
 	if err == nil {
 		found = true
@@ -193,15 +245,20 @@ func (h databaseHandler) FindGroup(groupName string) (f bool, g config.Group, er
 	return found, group, err
 }
 
-func (h databaseHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.Entry, err error) {
+func (h databaseHandler) FindPosixAccounts(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error) {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.FindPosixAccounts")
+	defer span.End()
+
 	entries := []*ldap.Entry{}
 
-	h.MemGroups, err = h.memoizeGroups()
+	h.MemGroups, err = h.memoizeGroups(ctx)
 	if err != nil {
 		return entries, err
 	}
 
-	rows, err := h.database.cnx.Query(`
+	rows, err := h.database.cnx.QueryContext(
+		ctx,
+		`
 		SELECT u.name,u.uidnumber,u.primarygroup,u.passbcrypt,u.passsha256,u.otpsecret,u.yubikey,u.othergroups,u.givenname,u.sn,u.mail,u.loginshell,u.homedirectory,u.disabled,u.sshkeys,u.custattr  
 		FROM users u`)
 	if err != nil {
@@ -219,11 +276,11 @@ func (h databaseHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.
 		if err != nil {
 			return entries, err
 		}
-		u.OtherGroups = h.commaListToIntTable(otherGroups)
+		u.OtherGroups = h.commaListToIntTable(ctx, otherGroups)
 		u.Disabled = h.intToBool(disabled)
-		u.SSHKeys = h.commaListToStringTable(sshKeys)
+		u.SSHKeys = h.commaListToStringTable(ctx, sshKeys)
 
-		entry := h.getAccount(hierarchy, u)
+		entry := h.getAccount(ctx, hierarchy, u)
 
 		if custattrstr != "{}" {
 			var r map[string]interface{}
@@ -256,16 +313,19 @@ func (h databaseHandler) FindPosixAccounts(hierarchy string) (entrylist []*ldap.
 	return entries, nil
 }
 
-func (h databaseHandler) FindPosixGroups(hierarchy string) (entrylist []*ldap.Entry, err error) {
+func (h databaseHandler) FindPosixGroups(ctx context.Context, hierarchy string) (entrylist []*ldap.Entry, err error) {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.FindPosixGroups")
+	defer span.End()
+
 	entries := []*ldap.Entry{}
 
-	h.MemGroups, err = h.memoizeGroups()
+	h.MemGroups, err = h.memoizeGroups(ctx)
 	if err != nil {
 		return entries, err
 	}
 
 	for _, g := range h.MemGroups {
-		info := h.getGroup(hierarchy, g)
+		info := h.getGroup(ctx, hierarchy, g)
 		if hierarchy != "groups" {
 			info.DN = strings.Replace(info.DN, ",ou=groups,", fmt.Sprintf(",%s,", hierarchy), 1)
 		}
@@ -276,6 +336,9 @@ func (h databaseHandler) FindPosixGroups(hierarchy string) (entrylist []*ldap.En
 }
 
 func (h databaseHandler) Close(boundDn string, conn net.Conn) error {
+	_, span := h.tracer.Start(context.Background(), "plugins.databaseHandler.Close")
+	defer span.End()
+
 	stats.Frontend.Add("closes", 1)
 	return nil
 }
@@ -287,7 +350,10 @@ func (h databaseHandler) intToBool(value int) bool {
 	return true
 }
 
-func (h databaseHandler) commaListToIntTable(commaList string) []int {
+func (h databaseHandler) commaListToIntTable(ctx context.Context, commaList string) []int {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.commaListToIntTable")
+	defer span.End()
+
 	if len(commaList) == 0 {
 		return make([]int, 0)
 	}
@@ -303,20 +369,28 @@ func (h databaseHandler) commaListToIntTable(commaList string) []int {
 	return rowsAsInts
 }
 
-func (h databaseHandler) commaListToStringTable(commaList string) []string {
+func (h databaseHandler) commaListToStringTable(ctx context.Context, commaList string) []string {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.commaListToStringTable")
+	defer span.End()
+
 	if len(commaList) == 0 {
 		return make([]string, 0)
 	}
 	return strings.Split(commaList, ",")
 }
 
-func (h databaseHandler) memoizeGroups() ([]config.Group, error) {
+func (h databaseHandler) memoizeGroups(ctx context.Context) ([]config.Group, error) {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.memoizeGroups")
+	defer span.End()
+
 	workMemGroups := make([]*config.Group, 0)
-	rows, err := h.database.cnx.Query(`
-		SELECT g1.name,g1.gidnumber,ig.includegroupid
-		FROM groups g1 
+	rows, err := h.database.cnx.QueryContext(
+		ctx,
+		`
+		SELECT g1.name,g1.gidnumber,ig.includegroupid 
+		FROM ldapgroups g1 
 		LEFT JOIN includegroups ig ON g1.gidnumber=ig.parentgroupid 
-		LEFT JOIN groups g2 ON ig.includegroupid=g2.gidnumber`)
+		LEFT JOIN ldapgroups g2 ON ig.includegroupid=g2.gidnumber`)
 	if err != nil {
 		return nil, errors.New("Unable to memoize groups list")
 	}
@@ -349,7 +423,10 @@ func (h databaseHandler) memoizeGroups() ([]config.Group, error) {
 	return memGroups, nil
 }
 
-func (h databaseHandler) getGroupMemberDNs(gid int) []string {
+func (h databaseHandler) getGroupMemberDNs(ctx context.Context, gid int) []string {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.getGroupMemberDNs")
+	defer span.End()
+
 	var insertOuUsers string
 	if h.cfg.Behaviors.LegacyVersion > 0 && h.cfg.Behaviors.LegacyVersion <= 20100 {
 		insertOuUsers = ""
@@ -358,7 +435,9 @@ func (h databaseHandler) getGroupMemberDNs(gid int) []string {
 	}
 	members := make(map[string]bool)
 
-	rows, err := h.database.cnx.Query(`
+	rows, err := h.database.cnx.QueryContext(
+		ctx,
+		`
 			SELECT u.name,u.uidnumber,u.primarygroup,u.passbcrypt,u.passsha256,u.otpsecret,u.yubikey,u.othergroups
 			FROM users u`)
 	if err != nil {
@@ -375,13 +454,13 @@ func (h databaseHandler) getGroupMemberDNs(gid int) []string {
 			return []string{}
 		}
 		if u.PrimaryGroup == gid {
-			dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
+			dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
 			members[dn] = true
 		} else {
-			u.OtherGroups = h.commaListToIntTable(otherGroups)
+			u.OtherGroups = h.commaListToIntTable(ctx, otherGroups)
 			for _, othergid := range u.OtherGroups {
 				if othergid == gid {
-					dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
+					dn := fmt.Sprintf("%s=%s,%s=%s%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), insertOuUsers, h.backend.BaseDN)
 					members[dn] = true
 				}
 			}
@@ -392,7 +471,7 @@ func (h databaseHandler) getGroupMemberDNs(gid int) []string {
 		if gid == g.GIDNumber {
 			for _, includegroupid := range g.IncludeGroups {
 				if includegroupid != gid {
-					includegroupmembers := h.getGroupMemberDNs(includegroupid)
+					includegroupmembers := h.getGroupMemberDNs(ctx, includegroupid)
 
 					for _, includegroupmember := range includegroupmembers {
 						members[includegroupmember] = true
@@ -413,9 +492,14 @@ func (h databaseHandler) getGroupMemberDNs(gid int) []string {
 }
 
 // Used exclusively when looking up Posix Groups
-func (h databaseHandler) getGroupMemberIDs(gid int) []string {
+func (h databaseHandler) getGroupMemberIDs(ctx context.Context, gid int) []string {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.getGroupMemberIDs")
+	defer span.End()
+
 	members := make(map[string]bool)
-	rows, err := h.database.cnx.Query(`
+	rows, err := h.database.cnx.QueryContext(
+		ctx,
+		`
 			SELECT u.name,u.uidnumber,u.primarygroup,u.passbcrypt,u.passsha256,u.otpsecret,u.yubikey,u.othergroups
 			FROM users u`)
 	if err != nil {
@@ -434,7 +518,7 @@ func (h databaseHandler) getGroupMemberIDs(gid int) []string {
 		if u.PrimaryGroup == gid {
 			members[u.Name] = true
 		} else {
-			u.OtherGroups = h.commaListToIntTable(otherGroups)
+			u.OtherGroups = h.commaListToIntTable(ctx, otherGroups)
 			for _, othergid := range u.OtherGroups {
 				if othergid == gid {
 					members[u.Name] = true
@@ -449,7 +533,7 @@ func (h databaseHandler) getGroupMemberIDs(gid int) []string {
 				if includegroupid == gid {
 					h.log.Warn().Msg(fmt.Sprintf("Group: %d - Ignoring myself as included group", includegroupid))
 				} else {
-					includegroupmemberids := h.getGroupMemberIDs(includegroupid)
+					includegroupmemberids := h.getGroupMemberIDs(ctx, includegroupid)
 
 					for _, includegroupmemberid := range includegroupmemberids {
 						members[includegroupmemberid] = true
@@ -470,7 +554,10 @@ func (h databaseHandler) getGroupMemberIDs(gid int) []string {
 }
 
 // Invoked for every user being returned from our database
-func (h databaseHandler) getGroupDNs(gids []int) []string {
+func (h databaseHandler) getGroupDNs(ctx context.Context, gids []int) []string {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.getGroupDNs")
+	defer span.End()
+
 	groups := make(map[string]bool)
 	for _, gid := range gids {
 		for _, g := range h.MemGroups {
@@ -481,7 +568,7 @@ func (h databaseHandler) getGroupDNs(gids []int) []string {
 
 			for _, includegroupid := range g.IncludeGroups {
 				if includegroupid == gid && g.GIDNumber != gid {
-					includegroupdns := h.getGroupDNs([]int{g.GIDNumber})
+					includegroupdns := h.getGroupDNs(ctx, []int{g.GIDNumber})
 
 					for _, includegroupdn := range includegroupdns {
 						groups[includegroupdn] = true
@@ -502,7 +589,10 @@ func (h databaseHandler) getGroupDNs(gids []int) []string {
 }
 
 // Invoked for every user being returned from our database
-func (h databaseHandler) getGroupName(gid int) string {
+func (h databaseHandler) getGroupName(ctx context.Context, gid int) string {
+	_, span := h.tracer.Start(ctx, "plugins.databaseHandler.getGroupName")
+	defer span.End()
+
 	for _, g := range h.MemGroups {
 		if g.GIDNumber == gid {
 			return g.Name
@@ -512,77 +602,83 @@ func (h databaseHandler) getGroupName(gid int) string {
 }
 
 // Toolbox
-func (h databaseHandler) getGroup(hierarchy string, g config.Group) *ldap.Entry {
+func (h databaseHandler) getGroup(ctx context.Context, hierarchy string, g config.Group) *ldap.Entry {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.getGroup")
+	defer span.End()
+
 	asGroupOfUniqueNames := hierarchy == "ou=groups"
 
 	attrs := []*ldap.EntryAttribute{}
-	attrs = append(attrs, &ldap.EntryAttribute{h.backend.GroupFormat, []string{g.Name}})
-	attrs = append(attrs, &ldap.EntryAttribute{"description", []string{fmt.Sprintf("%s via LDAP", g.Name)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"gidNumber", []string{fmt.Sprintf("%d", g.GIDNumber)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"uniqueMember", h.getGroupMemberDNs(g.GIDNumber)})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: h.backend.GroupFormat, Values: []string{g.Name}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "description", Values: []string{fmt.Sprintf("%s via LDAP", g.Name)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "gidNumber", Values: []string{fmt.Sprintf("%d", g.GIDNumber)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "uniqueMember", Values: h.getGroupMemberDNs(ctx, g.GIDNumber)})
 	if asGroupOfUniqueNames {
-		attrs = append(attrs, &ldap.EntryAttribute{"objectClass", []string{"groupOfUniqueNames", "top"}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"groupOfUniqueNames", "top"}})
 	} else {
-		attrs = append(attrs, &ldap.EntryAttribute{"memberUid", h.getGroupMemberIDs(g.GIDNumber)})
-		attrs = append(attrs, &ldap.EntryAttribute{"objectClass", []string{"posixGroup", "top"}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "memberUid", Values: h.getGroupMemberIDs(ctx, g.GIDNumber)})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"posixGroup", "top"}})
 	}
 	dn := fmt.Sprintf("%s=%s,ou=groups,%s", h.backend.GroupFormat, g.Name, h.backend.BaseDN)
-	return &ldap.Entry{dn, attrs}
+	return &ldap.Entry{DN: dn, Attributes: attrs}
 }
 
-func (h databaseHandler) getAccount(hierarchy string, u config.User) *ldap.Entry {
+func (h databaseHandler) getAccount(ctx context.Context, hierarchy string, u config.User) *ldap.Entry {
+	ctx, span := h.tracer.Start(ctx, "plugins.databaseHandler.getAccount")
+	defer span.End()
+
 	attrs := []*ldap.EntryAttribute{}
-	attrs = append(attrs, &ldap.EntryAttribute{h.backend.NameFormat, []string{u.Name}})
-	attrs = append(attrs, &ldap.EntryAttribute{"uid", []string{u.Name}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: h.backend.NameFormat, Values: []string{u.Name}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "uid", Values: []string{u.Name}})
 
 	if len(u.GivenName) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"givenName", []string{u.GivenName}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "givenName", Values: []string{u.GivenName}})
 	}
 
 	if len(u.SN) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"sn", []string{u.SN}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "sn", Values: []string{u.SN}})
 	}
 
-	attrs = append(attrs, &ldap.EntryAttribute{"ou", []string{h.getGroupName(u.PrimaryGroup)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"uidNumber", []string{fmt.Sprintf("%d", u.UIDNumber)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "ou", Values: []string{h.getGroupName(ctx, u.PrimaryGroup)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "uidNumber", Values: []string{fmt.Sprintf("%d", u.UIDNumber)}})
 
 	if u.Disabled {
-		attrs = append(attrs, &ldap.EntryAttribute{"accountStatus", []string{"inactive"}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "accountStatus", Values: []string{"inactive"}})
 	} else {
-		attrs = append(attrs, &ldap.EntryAttribute{"accountStatus", []string{"active"}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "accountStatus", Values: []string{"active"}})
 	}
 
 	if len(u.Mail) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"mail", []string{u.Mail}})
-		attrs = append(attrs, &ldap.EntryAttribute{"userPrincipalName", []string{u.Mail}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "mail", Values: []string{u.Mail}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "userPrincipalName", Values: []string{u.Mail}})
 	}
 
-	attrs = append(attrs, &ldap.EntryAttribute{"objectClass", []string{"posixAccount"}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "objectClass", Values: []string{"posixAccount"}})
 
 	if len(u.LoginShell) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"loginShell", []string{u.LoginShell}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "loginShell", Values: []string{u.LoginShell}})
 	} else {
-		attrs = append(attrs, &ldap.EntryAttribute{"loginShell", []string{"/bin/bash"}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "loginShell", Values: []string{"/bin/bash"}})
 	}
 
 	if len(u.Homedir) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"homeDirectory", []string{u.Homedir}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "homeDirectory", Values: []string{u.Homedir}})
 	} else {
-		attrs = append(attrs, &ldap.EntryAttribute{"homeDirectory", []string{"/home/" + u.Name}})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "homeDirectory", Values: []string{"/home/" + u.Name}})
 	}
 
-	attrs = append(attrs, &ldap.EntryAttribute{"description", []string{fmt.Sprintf("%s via LDAP", u.Name)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"gecos", []string{fmt.Sprintf("%s via LDAP", u.Name)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"gidNumber", []string{fmt.Sprintf("%d", u.PrimaryGroup)}})
-	attrs = append(attrs, &ldap.EntryAttribute{"memberOf", h.getGroupDNs(append(u.OtherGroups, u.PrimaryGroup))})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "description", Values: []string{fmt.Sprintf("%s via LDAP", u.Name)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "gecos", Values: []string{fmt.Sprintf("%s via LDAP", u.Name)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "gidNumber", Values: []string{fmt.Sprintf("%d", u.PrimaryGroup)}})
+	attrs = append(attrs, &ldap.EntryAttribute{Name: "memberOf", Values: h.getGroupDNs(ctx, append(u.OtherGroups, u.PrimaryGroup))})
 	if len(u.SSHKeys) > 0 {
-		attrs = append(attrs, &ldap.EntryAttribute{"sshPublicKey", u.SSHKeys})
+		attrs = append(attrs, &ldap.EntryAttribute{Name: "sshPublicKey", Values: u.SSHKeys})
 	}
 	var dn string
 	if hierarchy == "" {
-		dn = fmt.Sprintf("%s=%s,%s=%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), h.backend.BaseDN)
+		dn = fmt.Sprintf("%s=%s,%s=%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), h.backend.BaseDN)
 	} else {
-		dn = fmt.Sprintf("%s=%s,%s=%s,%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(u.PrimaryGroup), hierarchy, h.backend.BaseDN)
+		dn = fmt.Sprintf("%s=%s,%s=%s,%s,%s", h.backend.NameFormat, u.Name, h.backend.GroupFormat, h.getGroupName(ctx, u.PrimaryGroup), hierarchy, h.backend.BaseDN)
 	}
-	return &ldap.Entry{dn, attrs}
+	return &ldap.Entry{DN: dn, Attributes: attrs}
 }

v2/pkg/server/options.go

@@ -2,8 +2,12 @@ package server
 
 import (
 	"context"
-	"github.com/rs/zerolog"
+	"crypto/tls"
 
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 )
 
@@ -12,9 +16,12 @@ type Option func(o *Options)
 
 // Options defines the available options for this package.
 type Options struct {
-	Logger  zerolog.Logger
-	Config  *config.Config
-	Context context.Context
+	Logger    zerolog.Logger
+	Config    *config.Config
+	TLSConfig *tls.Config
+	Monitor   monitoring.MonitorInterface
+	Tracer    trace.Tracer
+	Context   context.Context
 }
 
 // newOptions initializes the available default options.
@@ -48,3 +55,24 @@ func Context(val context.Context) Option {
 		o.Context = val
 	}
 }
+
+// TLSConfig provides a function to set the TLS config option.
+func TLSConfig(val *tls.Config) Option {
+	return func(o *Options) {
+		o.TLSConfig = val
+	}
+}
+
+// Monitor provides a function to set the monitor option.
+func Monitor(val monitoring.MonitorInterface) Option {
+	return func(o *Options) {
+		o.Monitor = val
+	}
+}
+
+// Tracer provides a function to set the tracer option.
+func Tracer(val trace.Tracer) Option {
+	return func(o *Options) {
+		o.Tracer = val
+	}
+}

v2/pkg/server/server.go

@@ -3,28 +3,36 @@ package server
 import (
 	"errors"
 	"fmt"
-	"github.com/rs/zerolog"
 	"plugin"
 
+	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/trace"
+
 	"github.com/GeertJohan/yubigo"
+	"github.com/glauth/glauth/v2/internal/monitoring"
 	"github.com/glauth/glauth/v2/pkg/config"
 	"github.com/glauth/glauth/v2/pkg/handler"
-	"github.com/nmcclain/ldap"
+	"github.com/glauth/ldap"
 )
 
 type LdapSvc struct {
-	log      zerolog.Logger
 	c        *config.Config
 	yubiAuth *yubigo.YubiAuth
 	l        *ldap.Server
+
+	monitor monitoring.MonitorInterface
+	tracer  trace.Tracer
+	log     zerolog.Logger
 }
 
 func NewServer(opts ...Option) (*LdapSvc, error) {
 	options := newOptions(opts...)
 
 	s := LdapSvc{
-		log: options.Logger,
-		c:   options.Config,
+		log:     options.Logger,
+		c:       options.Config,
+		monitor: options.Monitor,
+		tracer:  options.Tracer,
 	}
 
 	var err error
@@ -39,7 +47,7 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 
 	var helper handler.Handler
 
-	loh := handler.NewLDAPOpsHelper()
+	loh := handler.NewLDAPOpsHelper(s.tracer)
 
 	// instantiate the helper, if any
 	if s.c.Helper.Enabled {
@@ -50,6 +58,7 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 				handler.Config(s.c),
 				handler.YubiAuth(s.yubiAuth),
 				handler.LDAPHelper(loh),
+				handler.Tracer(s.tracer),
 			)
 		case "plugin":
 			plug, err := plugin.Open(s.c.Helper.Plugin)
@@ -72,6 +81,7 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 				handler.Config(s.c),
 				handler.YubiAuth(s.yubiAuth),
 				handler.LDAPHelper(loh),
+				handler.Tracer(s.tracer),
 			)
 		default:
 			return nil, fmt.Errorf("unsupported helper %s - must be one of 'config', 'plugin'", s.c.Helper.Datastore)
@@ -85,6 +95,12 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 	// configure the backends
 	s.l = ldap.NewServer()
 	s.l.EnforceLDAP = true
+
+	if tlsConfig := options.TLSConfig; tlsConfig != nil {
+		s.l.TLSConfig = tlsConfig
+		s.log.Info().Interface("tls.certificates", tlsConfig.Certificates).Msg("enabling LDAP over TLS")
+	}
+
 	for i, backend := range s.c.Backends {
 		var h handler.Handler
 		switch backend.Datastore {
@@ -94,11 +110,15 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 				handler.Handlers(allHandlers),
 				handler.Logger(&s.log),
 				handler.Helper(helper),
+				handler.Monitor(s.monitor),
+				handler.Tracer(s.tracer),
 			)
 		case "owncloud":
 			h = handler.NewOwnCloudHandler(
 				handler.Backend(backend),
 				handler.Logger(&s.log),
+				handler.Monitor(s.monitor),
+				handler.Tracer(s.tracer),
 			)
 		case "config":
 			h = handler.NewConfigHandler(
@@ -107,6 +127,8 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 				handler.Config(s.c), // TODO only used to access Users and Groups, move that to dedicated options
 				handler.YubiAuth(s.yubiAuth),
 				handler.LDAPHelper(loh),
+				handler.Monitor(s.monitor),
+				handler.Tracer(s.tracer),
 			)
 		case "plugin":
 			plug, err := plugin.Open(backend.Plugin)
@@ -130,6 +152,8 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 				handler.Config(s.c),
 				handler.YubiAuth(s.yubiAuth),
 				handler.LDAPHelper(loh),
+				handler.Monitor(s.monitor),
+				handler.Tracer(s.tracer),
 			)
 		default:
 			return nil, fmt.Errorf("unsupported backend %s - must be one of 'config', 'ldap','owncloud' or 'plugin'", backend.Datastore)
@@ -148,6 +172,8 @@ func NewServer(opts ...Option) (*LdapSvc, error) {
 		backendCounter++
 	}
 
+	monitoring.NewLDAPMonitorWatcher(s.l, s.monitor, &s.log)
+
 	return &s, nil
 }
 

v2/sample-simple.cfg

@@ -21,6 +21,9 @@ debug = true
   enabled = true
   # run on a non privileged port
   listen = "0.0.0.0:3893"
+  tls = false # enable StartTLS support
+  tlsCertPath = "glauth.crt"
+  tlsKeyPath = "glauth.key"
 
 [ldaps]
 # to enable ldaps generate a certificate, eg. with:
@@ -31,6 +34,16 @@ debug = true
   key = "glauth.key"
 
 #################
+# Tracing section controls the tracer configuration
+[tracing]
+  # if enabled is set to false, a no-op tracer will be used
+  enabled = true
+  # if both grpcEndpoint and httpEndpoint are unset, the default stdout provider will be used
+  # TODO add allowGRPCInsecure: right now grpc otlp is using the WithInsecure flag so traffic
+  # will always go without verifying server certificates
+  # grpcEndpoint = "otlp.monitoring.io:4317"
+  # httpEndpoint = "http://otlp.monitoring.io:4318"
+#################
 # The backend section controls the data store.
 [backend]
   datastore = "config"

v2/vendored/README.md

@@ -1,13 +0,0 @@
-Vendored libraries. Not to be mistaken for libraries included under `vendor/` which is a go convention.
-
-To upgrade toml:
-
-1. clone from upstream
-2. add to `decode_meta.go`:
-
-```
-func (md *MetaData) Mappings() map[string]interface{} {
-  return md.mapping
-}
-```
-3. Run `gofmt -w ./` in `vendored/`

v2/vendored/toml/COMPATIBLE

@@ -1,3 +0,0 @@
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/v0.4.0/versions/en/toml-v0.4.0.md)
-

v2/vendored/toml/COPYING

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2013 TOML authors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

v2/vendored/toml/Makefile

@@ -1,19 +0,0 @@
-install:
-	go install ./...
-
-test: install
-	go test -v
-	toml-test toml-test-decoder
-	toml-test -encoder toml-test-encoder
-
-fmt:
-	gofmt -w *.go */*.go
-	colcheck *.go */*.go
-
-tags:
-	find ./ -name '*.go' -print0 | xargs -0 gotags > TAGS
-
-push:
-	git push origin master
-	git push github master
-

v2/vendored/toml/README.md

@@ -1,226 +0,0 @@
-[![Build Status](https://travis-ci.org/hydronica/toml.svg?branch=master)](https://travis-ci.org/hydronica/toml)
-
-This is a modified and opinionated fork of https://github.com/BurntSushi/toml with the following changes 
-
-- time.Duration is always encoded as a string ("10s" or "10ns")
-- support encoding comments (similar functionality to https://github.com/pelletier/go-toml.v1)
-  - comments can be added using the comment tag `comment:"a well thought-out comment"`
-  - valid toml can be commented out using the commented tag `commented:"true"`
-- Only guarantees last two years of golang compatibility (1.10 to current)
-
-## TOML parser and encoder for Go with reflection
-
-TOML stands for Tom's Obvious, Minimal Language. This Go package provides a
-reflection interface similar to Go's standard library `json` and `xml`
-packages. This package also supports the `encoding.TextUnmarshaler` and
-`encoding.TextMarshaler` interfaces so that you can define custom data
-representations. (There is an example of this below.)
-
-Spec: https://github.com/toml-lang/toml
-
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
-
-Documentation: https://godoc.org/github.com/BurntSushi/toml
-
-Installation:
-
-```bash
-go get github.com/hydronica/toml
-```
-
-Try the toml validator:
-
-```bash
-go get github.com/hydronica/toml/cmd/tomlv
-tomlv some-toml-file.toml
-```
-
-### Testing
-
-This package passes all tests in
-[toml-test](https://github.com/BurntSushi/toml-test) for both the decoder
-and the encoder.
-
-### Examples
-
-This package works similarly to how the Go standard library handles `XML`
-and `JSON`. Namely, data is loaded into Go values via reflection.
-
-For the simplest example, consider some TOML file as just a list of keys
-and values:
-
-```toml
-Age = 25
-Cats = [ "Cauchy", "Plato" ]
-Pi = 3.14
-Perfection = [ 6, 28, 496, 8128 ]
-DOB = 1987-07-05T05:45:00Z
-```
-
-Which could be defined in Go as:
-
-```go
-type Config struct {
-  Age int
-  Cats []string
-  Pi float64
-  Perfection []int
-  DOB time.Time // requires `import time`
-}
-```
-
-And then decoded with:
-
-```go
-var conf Config
-if _, err := toml.Decode(tomlData, &conf); err != nil {
-  // handle error
-}
-```
-
-You can also use struct tags if your struct field name doesn't map to a TOML
-key value directly:
-
-```toml
-some_key_NAME = "wat"
-```
-
-```go
-type TOML struct {
-  ObscureKey string `toml:"some_key_NAME"`
-}
-```
-
-### Using the `encoding.TextUnmarshaler` interface
-
-Here's an example that automatically parses duration strings into
-`time.Duration` values:
-
-```toml
-[[song]]
-name = "Thunder Road"
-duration = "4m49s"
-
-[[song]]
-name = "Stairway to Heaven"
-duration = "8m03s"
-```
-
-Which can be decoded with:
-
-```go
-type song struct {
-  Name     string
-  Duration duration
-}
-type songs struct {
-  Song []song
-}
-var favorites songs
-if _, err := toml.Decode(blob, &favorites); err != nil {
-  log.Fatal(err)
-}
-
-for _, s := range favorites.Song {
-  fmt.Printf("%s (%s)\n", s.Name, s.Duration)
-}
-```
-
-And you'll also need a `duration` type that satisfies the
-`encoding.TextUnmarshaler` interface:
-
-```go
-type duration struct {
-	time.Duration
-}
-
-func (d *duration) UnmarshalText(text []byte) error {
-	var err error
-	d.Duration, err = time.ParseDuration(string(text))
-	return err
-}
-```
-
-### More complex usage
-
-Here's an example of how to load the example from the official spec page:
-
-```toml
-# This is a TOML document. Boom.
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-organization = "GitHub"
-bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
-dob = 1979-05-27T07:32:00Z # First class dates? Why not?
-
-[database]
-server = "192.168.1.1"
-ports = [ 8001, 8001, 8002 ]
-connection_max = 5000
-enabled = true
-
-[servers]
-
-  # You can indent as you please. Tabs or spaces. TOML don't care.
-  [servers.alpha]
-  ip = "10.0.0.1"
-  dc = "eqdc10"
-
-  [servers.beta]
-  ip = "10.0.0.2"
-  dc = "eqdc10"
-
-[clients]
-data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
-
-# Line breaks are OK when inside arrays
-hosts = [
-  "alpha",
-  "omega"
-]
-```
-
-And the corresponding Go types are:
-
-```go
-type tomlConfig struct {
-	Title string
-	Owner ownerInfo
-	DB database `toml:"database"`
-	Servers map[string]server
-	Clients clients
-}
-
-type ownerInfo struct {
-	Name string
-	Org string `toml:"organization"`
-	Bio string
-	DOB time.Time
-}
-
-type database struct {
-	Server string
-	Ports []int
-	ConnMax int `toml:"connection_max"`
-	Enabled bool
-}
-
-type server struct {
-	IP string
-	DC string
-}
-
-type clients struct {
-	Data [][]interface{}
-	Hosts []string
-}
-```
-
-Note that a case insensitive match will be tried if an exact match can't be
-found.
-
-A working example of the above can be found in `_examples/example.{go,toml}`.

v2/vendored/toml/_examples/example.go

@@ -1,61 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"time"
-
-	"github.com/hydronica/toml"
-)
-
-type tomlConfig struct {
-	Title   string
-	Owner   ownerInfo
-	DB      database `toml:"database"`
-	Servers map[string]server
-	Clients clients
-}
-
-type ownerInfo struct {
-	Name string
-	Org  string `toml:"organization"`
-	Bio  string
-	DOB  time.Time
-}
-
-type database struct {
-	Server  string
-	Ports   []int
-	ConnMax int `toml:"connection_max"`
-	Enabled bool
-}
-
-type server struct {
-	IP string
-	DC string
-}
-
-type clients struct {
-	Data  [][]interface{}
-	Hosts []string
-}
-
-func main() {
-	var config tomlConfig
-	if _, err := toml.DecodeFile("example.toml", &config); err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	fmt.Printf("Title: %s\n", config.Title)
-	fmt.Printf("Owner: %s (%s, %s), Born: %s\n",
-		config.Owner.Name, config.Owner.Org, config.Owner.Bio,
-		config.Owner.DOB)
-	fmt.Printf("Database: %s %v (Max conn. %d), Enabled? %v\n",
-		config.DB.Server, config.DB.Ports, config.DB.ConnMax,
-		config.DB.Enabled)
-	for serverName, server := range config.Servers {
-		fmt.Printf("Server: %s (%s, %s)\n", serverName, server.IP, server.DC)
-	}
-	fmt.Printf("Client data: %v\n", config.Clients.Data)
-	fmt.Printf("Client hosts: %v\n", config.Clients.Hosts)
-}

v2/vendored/toml/_examples/example.toml

@@ -1,35 +0,0 @@
-# This is a TOML document. Boom.
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-organization = "GitHub"
-bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
-dob = 1979-05-27T07:32:00Z # First class dates? Why not?
-
-[database]
-server = "192.168.1.1"
-ports = [ 8001, 8001, 8002 ]
-connection_max = 5000
-enabled = true
-
-[servers]
-
-  # You can indent as you please. Tabs or spaces. TOML don't care.
-  [servers.alpha]
-  ip = "10.0.0.1"
-  dc = "eqdc10"
-
-  [servers.beta]
-  ip = "10.0.0.2"
-  dc = "eqdc10"
-
-[clients]
-data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
-
-# Line breaks are OK when inside arrays
-hosts = [
-  "alpha",
-  "omega"
-]

v2/vendored/toml/_examples/hard.toml

@@ -1,22 +0,0 @@
-# Test file for TOML
-# Only this one tries to emulate a TOML file written by a user of the kind of parser writers probably hate
-# This part you'll really hate
-
-[the]
-test_string = "You'll hate me after this - #"          # " Annoying, isn't it?
-
-    [the.hard]
-    test_array = [ "] ", " # "]      # ] There you go, parse this!
-    test_array2 = [ "Test #11 ]proved that", "Experiment #9 was a success" ]
-    # You didn't think it'd as easy as chucking out the last #, did you?
-    another_test_string = " Same thing, but with a string #"
-    harder_test_string = " And when \"'s are in the string, along with # \""   # "and comments are there too"
-    # Things will get harder
-    
-        [the.hard.bit#]
-        what? = "You don't think some user won't do that?"
-        multi_line_array = [
-            "]",
-            # ] Oh yes I did
-            ]
-

v2/vendored/toml/_examples/implicit.toml

@@ -1,4 +0,0 @@
-# [x] you
-# [x.y] don't
-# [x.y.z] need these
-[x.y.z.w] # for this to work

v2/vendored/toml/_examples/invalid-apples.toml

@@ -1,6 +0,0 @@
-# DO NOT WANT
-[fruit]
-type = "apple"
-
-[fruit.type]
-apple = "yes"

v2/vendored/toml/_examples/invalid.toml

@@ -1,35 +0,0 @@
-# This is an INVALID TOML document. Boom.
-# Can you spot the error without help?
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-organization = "GitHub"
-bio = "GitHub Cofounder & CEO\nLikes tater tots and beer."
-dob = 1979-05-27T7:32:00Z # First class dates? Why not?
-
-[database]
-server = "192.168.1.1"
-ports = [ 8001, 8001, 8002 ]
-connection_max = 5000
-enabled = true
-
-[servers]
-  # You can indent as you please. Tabs or spaces. TOML don't care.
-  [servers.alpha]
-  ip = "10.0.0.1"
-  dc = "eqdc10"
-
-  [servers.beta]
-  ip = "10.0.0.2"
-  dc = "eqdc10"
-
-[clients]
-data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
-
-# Line breaks are OK when inside arrays
-hosts = [
-  "alpha",
-  "omega"
-]

v2/vendored/toml/_examples/readme1.toml

@@ -1,5 +0,0 @@
-Age = 25
-Cats = [ "Cauchy", "Plato" ]
-Pi = 3.14
-Perfection = [ 6, 28, 496, 8128 ]
-DOB = 1987-07-05T05:45:00Z

v2/vendored/toml/_examples/readme2.toml

@@ -1 +0,0 @@
-some_key_NAME = "wat"

v2/vendored/toml/cmd/toml-test-decoder/COPYING

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2013 TOML authors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

v2/vendored/toml/cmd/toml-test-decoder/README.md

@@ -1,13 +0,0 @@
-# Implements the TOML test suite interface
-
-This is an implementation of the interface expected by
-[toml-test](https://github.com/BurntSushi/toml-test) for my
-[toml parser written in Go](https://github.com/BurntSushi/toml).
-In particular, it maps TOML data on `stdin` to a JSON format on `stdout`.
-
-
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
-
-Compatible with `toml-test` version
-[v0.2.0](https://github.com/BurntSushi/toml-test/tree/v0.2.0)

v2/vendored/toml/cmd/toml-test-decoder/main.go

@@ -1,90 +0,0 @@
-// Command toml-test-decoder satisfies the toml-test interface for testing
-// TOML decoders. Namely, it accepts TOML on stdin and outputs JSON on stdout.
-package main
-
-import (
-	"encoding/json"
-	"flag"
-	"fmt"
-	"log"
-	"os"
-	"path"
-	"time"
-
-	"github.com/hydronica/toml"
-)
-
-func init() {
-	log.SetFlags(0)
-
-	flag.Usage = usage
-	flag.Parse()
-}
-
-func usage() {
-	log.Printf("Usage: %s < toml-file\n", path.Base(os.Args[0]))
-	flag.PrintDefaults()
-
-	os.Exit(1)
-}
-
-func main() {
-	if flag.NArg() != 0 {
-		flag.Usage()
-	}
-
-	var tmp interface{}
-	if _, err := toml.DecodeReader(os.Stdin, &tmp); err != nil {
-		log.Fatalf("Error decoding TOML: %s", err)
-	}
-
-	typedTmp := translate(tmp)
-	if err := json.NewEncoder(os.Stdout).Encode(typedTmp); err != nil {
-		log.Fatalf("Error encoding JSON: %s", err)
-	}
-}
-
-func translate(tomlData interface{}) interface{} {
-	switch orig := tomlData.(type) {
-	case map[string]interface{}:
-		typed := make(map[string]interface{}, len(orig))
-		for k, v := range orig {
-			typed[k] = translate(v)
-		}
-		return typed
-	case []map[string]interface{}:
-		typed := make([]map[string]interface{}, len(orig))
-		for i, v := range orig {
-			typed[i] = translate(v).(map[string]interface{})
-		}
-		return typed
-	case []interface{}:
-		typed := make([]interface{}, len(orig))
-		for i, v := range orig {
-			typed[i] = translate(v)
-		}
-
-		// We don't really need to tag arrays, but let's be future proof.
-		// (If TOML ever supports tuples, we'll need this.)
-		return tag("array", typed)
-	case time.Time:
-		return tag("datetime", orig.Format("2006-01-02T15:04:05Z"))
-	case bool:
-		return tag("bool", fmt.Sprintf("%v", orig))
-	case int64:
-		return tag("integer", fmt.Sprintf("%d", orig))
-	case float64:
-		return tag("float", fmt.Sprintf("%v", orig))
-	case string:
-		return tag("string", orig)
-	}
-
-	panic(fmt.Sprintf("Unknown type: %T", tomlData))
-}
-
-func tag(typeName string, data interface{}) map[string]interface{} {
-	return map[string]interface{}{
-		"type":  typeName,
-		"value": data,
-	}
-}

v2/vendored/toml/cmd/toml-test-encoder/COPYING

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2013 TOML authors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

v2/vendored/toml/cmd/toml-test-encoder/README.md

@@ -1,13 +0,0 @@
-# Implements the TOML test suite interface for TOML encoders
-
-This is an implementation of the interface expected by
-[toml-test](https://github.com/BurntSushi/toml-test) for the
-[TOML encoder](https://github.com/BurntSushi/toml).
-In particular, it maps JSON data on `stdin` to a TOML format on `stdout`.
-
-
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
-
-Compatible with `toml-test` version
-[v0.2.0](https://github.com/BurntSushi/toml-test/tree/v0.2.0)

v2/vendored/toml/cmd/toml-test-encoder/main.go

@@ -1,131 +0,0 @@
-// Command toml-test-encoder satisfies the toml-test interface for testing
-// TOML encoders. Namely, it accepts JSON on stdin and outputs TOML on stdout.
-package main
-
-import (
-	"encoding/json"
-	"flag"
-	"log"
-	"os"
-	"path"
-	"strconv"
-	"time"
-
-	"github.com/hydronica/toml"
-)
-
-func init() {
-	log.SetFlags(0)
-
-	flag.Usage = usage
-	flag.Parse()
-}
-
-func usage() {
-	log.Printf("Usage: %s < json-file\n", path.Base(os.Args[0]))
-	flag.PrintDefaults()
-
-	os.Exit(1)
-}
-
-func main() {
-	if flag.NArg() != 0 {
-		flag.Usage()
-	}
-
-	var tmp interface{}
-	if err := json.NewDecoder(os.Stdin).Decode(&tmp); err != nil {
-		log.Fatalf("Error decoding JSON: %s", err)
-	}
-
-	tomlData := translate(tmp)
-	if err := toml.NewEncoder(os.Stdout).Encode(tomlData); err != nil {
-		log.Fatalf("Error encoding TOML: %s", err)
-	}
-}
-
-func translate(typedJson interface{}) interface{} {
-	switch v := typedJson.(type) {
-	case map[string]interface{}:
-		if len(v) == 2 && in("type", v) && in("value", v) {
-			return untag(v)
-		}
-		m := make(map[string]interface{}, len(v))
-		for k, v2 := range v {
-			m[k] = translate(v2)
-		}
-		return m
-	case []interface{}:
-		tabArray := make([]map[string]interface{}, len(v))
-		for i := range v {
-			if m, ok := translate(v[i]).(map[string]interface{}); ok {
-				tabArray[i] = m
-			} else {
-				log.Fatalf("JSON arrays may only contain objects. This " +
-					"corresponds to only tables being allowed in " +
-					"TOML table arrays.")
-			}
-		}
-		return tabArray
-	}
-	log.Fatalf("Unrecognized JSON format '%T'.", typedJson)
-	panic("unreachable")
-}
-
-func untag(typed map[string]interface{}) interface{} {
-	t := typed["type"].(string)
-	v := typed["value"]
-	switch t {
-	case "string":
-		return v.(string)
-	case "integer":
-		v := v.(string)
-		n, err := strconv.Atoi(v)
-		if err != nil {
-			log.Fatalf("Could not parse '%s' as integer: %s", v, err)
-		}
-		return n
-	case "float":
-		v := v.(string)
-		f, err := strconv.ParseFloat(v, 64)
-		if err != nil {
-			log.Fatalf("Could not parse '%s' as float64: %s", v, err)
-		}
-		return f
-	case "datetime":
-		v := v.(string)
-		t, err := time.Parse("2006-01-02T15:04:05Z", v)
-		if err != nil {
-			log.Fatalf("Could not parse '%s' as a datetime: %s", v, err)
-		}
-		return t
-	case "bool":
-		v := v.(string)
-		switch v {
-		case "true":
-			return true
-		case "false":
-			return false
-		}
-		log.Fatalf("Could not parse '%s' as a boolean.", v)
-	case "array":
-		v := v.([]interface{})
-		array := make([]interface{}, len(v))
-		for i := range v {
-			if m, ok := v[i].(map[string]interface{}); ok {
-				array[i] = untag(m)
-			} else {
-				log.Fatalf("Arrays may only contain other arrays or "+
-					"primitive values, but found a '%T'.", m)
-			}
-		}
-		return array
-	}
-	log.Fatalf("Unrecognized tag type '%s'.", t)
-	panic("unreachable")
-}
-
-func in(key string, m map[string]interface{}) bool {
-	_, ok := m[key]
-	return ok
-}

v2/vendored/toml/cmd/tomlv/COPYING

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2013 TOML authors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

v2/vendored/toml/cmd/tomlv/README.md

@@ -1,21 +0,0 @@
-# TOML Validator
-
-If Go is installed, it's simple to try it out:
-
-```bash
-go get github.com/BurntSushi/toml/cmd/tomlv
-tomlv some-toml-file.toml
-```
-
-You can see the types of every key in a TOML file with:
-
-```bash
-tomlv -types some-toml-file.toml
-```
-
-At the moment, only one error message is reported at a time. Error messages
-include line numbers. No output means that the files given are valid TOML, or
-there is a bug in `tomlv`.
-
-Compatible with TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)

v2/vendored/toml/cmd/tomlv/main.go

@@ -1,61 +0,0 @@
-// Command tomlv validates TOML documents and prints each key's type.
-package main
-
-import (
-	"flag"
-	"fmt"
-	"log"
-	"os"
-	"path"
-	"strings"
-	"text/tabwriter"
-
-	"github.com/hydronica/toml"
-)
-
-var (
-	flagTypes = false
-)
-
-func init() {
-	log.SetFlags(0)
-
-	flag.BoolVar(&flagTypes, "types", flagTypes,
-		"When set, the types of every defined key will be shown.")
-
-	flag.Usage = usage
-	flag.Parse()
-}
-
-func usage() {
-	log.Printf("Usage: %s toml-file [ toml-file ... ]\n",
-		path.Base(os.Args[0]))
-	flag.PrintDefaults()
-
-	os.Exit(1)
-}
-
-func main() {
-	if flag.NArg() < 1 {
-		flag.Usage()
-	}
-	for _, f := range flag.Args() {
-		var tmp interface{}
-		md, err := toml.DecodeFile(f, &tmp)
-		if err != nil {
-			log.Fatalf("Error in '%s': %s", f, err)
-		}
-		if flagTypes {
-			printTypes(md)
-		}
-	}
-}
-
-func printTypes(md toml.MetaData) {
-	tabw := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
-	for _, key := range md.Keys() {
-		fmt.Fprintf(tabw, "%s%s\t%s\n",
-			strings.Repeat("    ", len(key)-1), key, md.Type(key...))
-	}
-	tabw.Flush()
-}

v2/vendored/toml/decode.go

@@ -1,519 +0,0 @@
-package toml
-
-import (
-	"fmt"
-	"io"
-	"io/ioutil"
-	"math"
-	"reflect"
-	"strings"
-	"time"
-)
-
-func e(format string, args ...interface{}) error {
-	return fmt.Errorf("toml: "+format, args...)
-}
-
-// Unmarshaler is the interface implemented by objects that can unmarshal a
-// TOML description of themselves.
-type Unmarshaler interface {
-	UnmarshalTOML(interface{}) error
-}
-
-// Unmarshal decodes the contents of `p` in TOML format into a pointer `v`.
-func Unmarshal(p []byte, v interface{}) error {
-	_, err := Decode(string(p), v)
-	return err
-}
-
-// Primitive is a TOML value that hasn't been decoded into a Go value.
-// When using the various `Decode*` functions, the type `Primitive` may
-// be given to any value, and its decoding will be delayed.
-//
-// A `Primitive` value can be decoded using the `PrimitiveDecode` function.
-//
-// The underlying representation of a `Primitive` value is subject to change.
-// Do not rely on it.
-//
-// N.B. Primitive values are still parsed, so using them will only avoid
-// the overhead of reflection. They can be useful when you don't know the
-// exact type of TOML data until run time.
-type Primitive struct {
-	undecoded interface{}
-	context   Key
-}
-
-// DEPRECATED!
-//
-// Use MetaData.PrimitiveDecode instead.
-func PrimitiveDecode(primValue Primitive, v interface{}) error {
-	md := MetaData{decoded: make(map[string]bool)}
-	return md.unify(primValue.undecoded, rvalue(v))
-}
-
-// PrimitiveDecode is just like the other `Decode*` functions, except it
-// decodes a TOML value that has already been parsed. Valid primitive values
-// can *only* be obtained from values filled by the decoder functions,
-// including this method. (i.e., `v` may contain more `Primitive`
-// values.)
-//
-// Meta data for primitive values is included in the meta data returned by
-// the `Decode*` functions with one exception: keys returned by the Undecoded
-// method will only reflect keys that were decoded. Namely, any keys hidden
-// behind a Primitive will be considered undecoded. Executing this method will
-// update the undecoded keys in the meta data. (See the example.)
-func (md *MetaData) PrimitiveDecode(primValue Primitive, v interface{}) error {
-	md.context = primValue.context
-	defer func() { md.context = nil }()
-	return md.unify(primValue.undecoded, rvalue(v))
-}
-
-// Decode will decode the contents of `data` in TOML format into a pointer
-// `v`.
-//
-// TOML hashes correspond to Go structs or maps. (Dealer's choice. They can be
-// used interchangeably.)
-//
-// TOML arrays of tables correspond to either a slice of structs or a slice
-// of maps.
-//
-// TOML datetimes correspond to Go `time.Time` values.
-//
-// All other TOML types (float, string, int, bool and array) correspond
-// to the obvious Go types.
-//
-// An exception to the above rules is if a type implements the
-// encoding.TextUnmarshaler interface. In this case, any primitive TOML value
-// (floats, strings, integers, booleans and datetimes) will be converted to
-// a byte string and given to the value's UnmarshalText method. See the
-// Unmarshaler example for a demonstration with time duration strings.
-//
-// # Key mapping
-//
-// TOML keys can map to either keys in a Go map or field names in a Go
-// struct. The special `toml` struct tag may be used to map TOML keys to
-// struct fields that don't match the key name exactly. (See the example.)
-// A case insensitive match to struct names will be tried if an exact match
-// can't be found.
-//
-// The mapping between TOML values and Go values is loose. That is, there
-// may exist TOML values that cannot be placed into your representation, and
-// there may be parts of your representation that do not correspond to
-// TOML values. This loose mapping can be made stricter by using the IsDefined
-// and/or Undecoded methods on the MetaData returned.
-//
-// This decoder will not handle cyclic types. If a cyclic type is passed,
-// `Decode` will not terminate.
-func Decode(data string, v interface{}) (MetaData, error) {
-	rv := reflect.ValueOf(v)
-	if rv.Kind() != reflect.Ptr {
-		return MetaData{}, e("Decode of non-pointer %s", reflect.TypeOf(v))
-	}
-	if rv.IsNil() {
-		return MetaData{}, e("Decode of nil %s", reflect.TypeOf(v))
-	}
-	p, err := parse(data)
-	if err != nil {
-		return MetaData{}, err
-	}
-	md := MetaData{
-		p.mapping, p.types, p.ordered,
-		make(map[string]bool, len(p.ordered)), nil,
-	}
-	return md, md.unify(p.mapping, indirect(rv))
-}
-
-// DecodeFile is just like Decode, except it will automatically read the
-// contents of the file at `fpath` and decode it for you.
-func DecodeFile(fpath string, v interface{}) (MetaData, error) {
-	bs, err := ioutil.ReadFile(fpath)
-	if err != nil {
-		return MetaData{}, err
-	}
-	return Decode(string(bs), v)
-}
-
-// DecodeReader is just like Decode, except it will consume all bytes
-// from the reader and decode it for you.
-func DecodeReader(r io.Reader, v interface{}) (MetaData, error) {
-	bs, err := ioutil.ReadAll(r)
-	if err != nil {
-		return MetaData{}, err
-	}
-	return Decode(string(bs), v)
-}
-
-// unify performs a sort of type unification based on the structure of `rv`,
-// which is the client representation.
-//
-// Any type mismatch produces an error. Finding a type that we don't know
-// how to handle produces an unsupported type error.
-func (md *MetaData) unify(data interface{}, rv reflect.Value) error {
-	// Special case. Look for a `Primitive` value.
-	if rv.Type() == reflect.TypeOf((*Primitive)(nil)).Elem() {
-		// Save the undecoded data and the key context into the primitive
-		// value.
-		context := make(Key, len(md.context))
-		copy(context, md.context)
-		rv.Set(reflect.ValueOf(Primitive{
-			undecoded: data,
-			context:   context,
-		}))
-		return nil
-	}
-
-	// Special case. Unmarshaler Interface support.
-	if rv.CanAddr() {
-		if v, ok := rv.Addr().Interface().(Unmarshaler); ok {
-			return v.UnmarshalTOML(data)
-		}
-	}
-
-	if rv.Type() == reflect.TypeOf(time.Second) {
-		return md.unifyDuration(data, rv)
-	}
-
-	// Special case. Look for a value satisfying the TextUnmarshaler interface.
-	if v, ok := rv.Interface().(TextUnmarshaler); ok {
-		return md.unifyText(data, v)
-	}
-	// BUG(burntsushi)
-	// The behavior here is incorrect whenever a Go type satisfies the
-	// encoding.TextUnmarshaler interface but also corresponds to a TOML
-	// hash or array. In particular, the unmarshaler should only be applied
-	// to primitive TOML values. But at this point, it will be applied to
-	// all kinds of values and produce an incorrect error whenever those values
-	// are hashes or arrays (including arrays of tables).
-
-	k := rv.Kind()
-
-	// laziness
-	if k >= reflect.Int && k <= reflect.Uint64 {
-		return md.unifyInt(data, rv)
-	}
-
-	switch k {
-	case reflect.Ptr:
-		elem := reflect.New(rv.Type().Elem())
-		err := md.unify(data, reflect.Indirect(elem))
-		if err != nil {
-			return err
-		}
-		rv.Set(elem)
-		return nil
-	case reflect.Struct:
-		return md.unifyStruct(data, rv)
-	case reflect.Map:
-		return md.unifyMap(data, rv)
-	case reflect.Array:
-		return md.unifyArray(data, rv)
-	case reflect.Slice:
-		return md.unifySlice(data, rv)
-	case reflect.String:
-		return md.unifyString(data, rv)
-	case reflect.Bool:
-		return md.unifyBool(data, rv)
-	case reflect.Interface:
-		// we only support empty interfaces.
-		if rv.NumMethod() > 0 {
-			return e("unsupported type %s", rv.Type())
-		}
-		return md.unifyAnything(data, rv)
-	case reflect.Float32:
-		fallthrough
-	case reflect.Float64:
-		return md.unifyFloat64(data, rv)
-	}
-	return e("unsupported type %s", rv.Kind())
-}
-
-func (md *MetaData) unifyStruct(mapping interface{}, rv reflect.Value) error {
-	tmap, ok := mapping.(map[string]interface{})
-	if !ok {
-		if mapping == nil {
-			return nil
-		}
-		return e("type mismatch for %s: expected table but found %T",
-			rv.Type().String(), mapping)
-	}
-
-	for key, datum := range tmap {
-		var f *field
-		fields := cachedTypeFields(rv.Type())
-		for i := range fields {
-			ff := &fields[i]
-			if ff.name == key {
-				f = ff
-				break
-			}
-			if f == nil && strings.EqualFold(ff.name, key) {
-				f = ff
-			}
-		}
-		if f != nil {
-			subv := rv
-			for _, i := range f.index {
-				subv = indirect(subv.Field(i))
-			}
-			if isUnifiable(subv) {
-				md.decoded[md.context.add(key).String()] = true
-				md.context = append(md.context, key)
-				if err := md.unify(datum, subv); err != nil {
-					return err
-				}
-				md.context = md.context[0 : len(md.context)-1]
-			} else if f.name != "" {
-				// Bad user! No soup for you!
-				return e("cannot write unexported field %s.%s",
-					rv.Type().String(), f.name)
-			}
-		}
-	}
-	return nil
-}
-
-func (md *MetaData) unifyMap(mapping interface{}, rv reflect.Value) error {
-	tmap, ok := mapping.(map[string]interface{})
-	if !ok {
-		if tmap == nil {
-			return nil
-		}
-		return badtype("map", mapping)
-	}
-	if rv.IsNil() {
-		rv.Set(reflect.MakeMap(rv.Type()))
-	}
-	for k, v := range tmap {
-		md.decoded[md.context.add(k).String()] = true
-		md.context = append(md.context, k)
-
-		rvkey := indirect(reflect.New(rv.Type().Key()))
-		rvval := reflect.Indirect(reflect.New(rv.Type().Elem()))
-		if err := md.unify(v, rvval); err != nil {
-			return err
-		}
-		md.context = md.context[0 : len(md.context)-1]
-
-		rvkey.SetString(k)
-		rv.SetMapIndex(rvkey, rvval)
-	}
-	return nil
-}
-
-func (md *MetaData) unifyArray(data interface{}, rv reflect.Value) error {
-	datav := reflect.ValueOf(data)
-	if datav.Kind() != reflect.Slice {
-		if !datav.IsValid() {
-			return nil
-		}
-		return badtype("slice", data)
-	}
-	sliceLen := datav.Len()
-	if sliceLen != rv.Len() {
-		return e("expected array length %d; got TOML array of length %d",
-			rv.Len(), sliceLen)
-	}
-	return md.unifySliceArray(datav, rv)
-}
-
-func (md *MetaData) unifySlice(data interface{}, rv reflect.Value) error {
-	datav := reflect.ValueOf(data)
-	if datav.Kind() != reflect.Slice {
-		if !datav.IsValid() {
-			return nil
-		}
-		return badtype("slice", data)
-	}
-	n := datav.Len()
-	if rv.IsNil() || rv.Cap() < n {
-		rv.Set(reflect.MakeSlice(rv.Type(), n, n))
-	}
-	rv.SetLen(n)
-	return md.unifySliceArray(datav, rv)
-}
-
-func (md *MetaData) unifySliceArray(data, rv reflect.Value) error {
-	sliceLen := data.Len()
-	for i := 0; i < sliceLen; i++ {
-		v := data.Index(i).Interface()
-		sliceval := indirect(rv.Index(i))
-		if err := md.unify(v, sliceval); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (md *MetaData) unifyDatetime(data interface{}, rv reflect.Value) error {
-	if _, ok := data.(time.Time); ok {
-		rv.Set(reflect.ValueOf(data))
-		return nil
-	}
-	return badtype("time.Time", data)
-}
-func (md *MetaData) unifyDuration(data interface{}, rv reflect.Value) error {
-	switch v := data.(type) {
-	case string:
-		d, err := time.ParseDuration(v)
-		if err != nil {
-			return e("invalid time.duration format %s", v)
-		}
-		rv.SetInt(int64(d))
-		return nil
-	case int, int64, int32, int16, int8:
-		return md.unifyInt(data, rv)
-	}
-	return badtype("time.duration", data)
-}
-
-func (md *MetaData) unifyString(data interface{}, rv reflect.Value) error {
-	if s, ok := data.(string); ok {
-		rv.SetString(s)
-		return nil
-	}
-	return badtype("string", data)
-}
-
-func (md *MetaData) unifyFloat64(data interface{}, rv reflect.Value) error {
-	if num, ok := data.(float64); ok {
-		switch rv.Kind() {
-		case reflect.Float32:
-			fallthrough
-		case reflect.Float64:
-			rv.SetFloat(num)
-		default:
-			panic("bug")
-		}
-		return nil
-	}
-	return badtype("float", data)
-}
-
-func (md *MetaData) unifyInt(data interface{}, rv reflect.Value) error {
-	if num, ok := data.(int64); ok {
-		if rv.Kind() >= reflect.Int && rv.Kind() <= reflect.Int64 {
-			switch rv.Kind() {
-			case reflect.Int, reflect.Int64:
-				// No bounds checking necessary.
-			case reflect.Int8:
-				if num < math.MinInt8 || num > math.MaxInt8 {
-					return e("value %d is out of range for int8", num)
-				}
-			case reflect.Int16:
-				if num < math.MinInt16 || num > math.MaxInt16 {
-					return e("value %d is out of range for int16", num)
-				}
-			case reflect.Int32:
-				if num < math.MinInt32 || num > math.MaxInt32 {
-					return e("value %d is out of range for int32", num)
-				}
-			}
-			rv.SetInt(num)
-		} else if rv.Kind() >= reflect.Uint && rv.Kind() <= reflect.Uint64 {
-			unum := uint64(num)
-			switch rv.Kind() {
-			case reflect.Uint, reflect.Uint64:
-				// No bounds checking necessary.
-			case reflect.Uint8:
-				if num < 0 || unum > math.MaxUint8 {
-					return e("value %d is out of range for uint8", num)
-				}
-			case reflect.Uint16:
-				if num < 0 || unum > math.MaxUint16 {
-					return e("value %d is out of range for uint16", num)
-				}
-			case reflect.Uint32:
-				if num < 0 || unum > math.MaxUint32 {
-					return e("value %d is out of range for uint32", num)
-				}
-			}
-			rv.SetUint(unum)
-		} else {
-			panic("unreachable")
-		}
-		return nil
-	}
-	return badtype("integer", data)
-}
-
-func (md *MetaData) unifyBool(data interface{}, rv reflect.Value) error {
-	if b, ok := data.(bool); ok {
-		rv.SetBool(b)
-		return nil
-	}
-	return badtype("boolean", data)
-}
-
-func (md *MetaData) unifyAnything(data interface{}, rv reflect.Value) error {
-	rv.Set(reflect.ValueOf(data))
-	return nil
-}
-
-func (md *MetaData) unifyText(data interface{}, v TextUnmarshaler) error {
-	var s string
-	switch sdata := data.(type) {
-	case TextMarshaler:
-		text, err := sdata.MarshalText()
-		if err != nil {
-			return err
-		}
-		s = string(text)
-	case fmt.Stringer:
-		s = sdata.String()
-	case string:
-		s = sdata
-	case bool:
-		s = fmt.Sprintf("%v", sdata)
-	case int64:
-		s = fmt.Sprintf("%d", sdata)
-	case float64:
-		s = fmt.Sprintf("%f", sdata)
-	default:
-		return badtype("primitive (string-like)", data)
-	}
-	if err := v.UnmarshalText([]byte(s)); err != nil {
-		return err
-	}
-	return nil
-}
-
-// rvalue returns a reflect.Value of `v`. All pointers are resolved.
-func rvalue(v interface{}) reflect.Value {
-	return indirect(reflect.ValueOf(v))
-}
-
-// indirect returns the value pointed to by a pointer.
-// Pointers are followed until the value is not a pointer.
-// New values are allocated for each nil pointer.
-//
-// An exception to this rule is if the value satisfies an interface of
-// interest to us (like encoding.TextUnmarshaler).
-func indirect(v reflect.Value) reflect.Value {
-	if v.Kind() != reflect.Ptr {
-		if v.CanSet() {
-			pv := v.Addr()
-			if _, ok := pv.Interface().(TextUnmarshaler); ok {
-				return pv
-			}
-		}
-		return v
-	}
-	if v.IsNil() {
-		v.Set(reflect.New(v.Type().Elem()))
-	}
-	return indirect(reflect.Indirect(v))
-}
-
-func isUnifiable(rv reflect.Value) bool {
-	if rv.CanSet() {
-		return true
-	}
-	if _, ok := rv.Interface().(TextUnmarshaler); ok {
-		return true
-	}
-	return false
-}
-
-func badtype(expected string, data interface{}) error {
-	return e("cannot load TOML value of type %T into a Go %s", data, expected)
-}

v2/vendored/toml/decode_meta.go

@@ -1,125 +0,0 @@
-package toml
-
-import "strings"
-
-// MetaData allows access to meta information about TOML data that may not
-// be inferrable via reflection. In particular, whether a key has been defined
-// and the TOML type of a key.
-type MetaData struct {
-	mapping map[string]interface{}
-	types   map[string]tomlType
-	keys    []Key
-	decoded map[string]bool
-	context Key // Used only during decoding.
-}
-
-// IsDefined returns true if the key given exists in the TOML data. The key
-// should be specified hierarchially. e.g.,
-//
-//	// access the TOML key 'a.b.c'
-//	IsDefined("a", "b", "c")
-//
-// IsDefined will return false if an empty key given. Keys are case sensitive.
-func (md *MetaData) IsDefined(key ...string) bool {
-	if len(key) == 0 {
-		return false
-	}
-
-	var hash map[string]interface{}
-	var ok bool
-	var hashOrVal interface{} = md.mapping
-	for _, k := range key {
-		if hash, ok = hashOrVal.(map[string]interface{}); !ok {
-			return false
-		}
-		if hashOrVal, ok = hash[k]; !ok {
-			return false
-		}
-	}
-	return true
-}
-
-// Type returns a string representation of the type of the key specified.
-//
-// Type will return the empty string if given an empty key or a key that
-// does not exist. Keys are case sensitive.
-func (md *MetaData) Type(key ...string) string {
-	fullkey := strings.Join(key, ".")
-	if typ, ok := md.types[fullkey]; ok {
-		return typ.typeString()
-	}
-	return ""
-}
-
-// Key is the type of any TOML key, including key groups. Use (MetaData).Keys
-// to get values of this type.
-type Key []string
-
-func (k Key) String() string {
-	return strings.Join(k, ".")
-}
-
-func (k Key) maybeQuotedAll() string {
-	var ss []string
-	for i := range k {
-		ss = append(ss, k.maybeQuoted(i))
-	}
-	return strings.Join(ss, ".")
-}
-
-func (k Key) maybeQuoted(i int) string {
-	quote := false
-	for _, c := range k[i] {
-		if !isBareKeyChar(c) {
-			quote = true
-			break
-		}
-	}
-	if quote {
-		return "\"" + strings.Replace(k[i], "\"", "\\\"", -1) + "\""
-	}
-	return k[i]
-}
-
-func (k Key) add(piece string) Key {
-	newKey := make(Key, len(k)+1)
-	copy(newKey, k)
-	newKey[len(k)] = piece
-	return newKey
-}
-
-// Keys returns a slice of every key in the TOML data, including key groups.
-// Each key is itself a slice, where the first element is the top of the
-// hierarchy and the last is the most specific.
-//
-// The list will have the same order as the keys appeared in the TOML data.
-//
-// All keys returned are non-empty.
-func (md *MetaData) Keys() []Key {
-	return md.keys
-}
-
-// Undecoded returns all keys that have not been decoded in the order in which
-// they appear in the original TOML document.
-//
-// This includes keys that haven't been decoded because of a Primitive value.
-// Once the Primitive value is decoded, the keys will be considered decoded.
-//
-// Also note that decoding into an empty interface will result in no decoding,
-// and so no keys will be considered decoded.
-//
-// In this sense, the Undecoded keys correspond to keys in the TOML document
-// that do not have a concrete type in your representation.
-func (md *MetaData) Undecoded() []Key {
-	undecoded := make([]Key, 0, len(md.keys))
-	for _, key := range md.keys {
-		if !md.decoded[key.String()] {
-			undecoded = append(undecoded, key)
-		}
-	}
-	return undecoded
-}
-
-func (md *MetaData) Mappings() map[string]interface{} {
-	return md.mapping
-}

v2/vendored/toml/doc.go

@@ -1,27 +0,0 @@
-/*
-Package toml provides facilities for decoding and encoding TOML configuration
-files via reflection. There is also support for delaying decoding with
-the Primitive type, and querying the set of keys in a TOML document with the
-MetaData type.
-
-The specification implemented: https://github.com/toml-lang/toml
-
-The sub-command github.com/BurntSushi/toml/cmd/tomlv can be used to verify
-whether a file is a valid TOML document. It can also be used to print the
-type of each key in a TOML document.
-
-# Testing
-
-There are two important types of tests used for this package. The first is
-contained inside '*_test.go' files and uses the standard Go unit testing
-framework. These tests are primarily devoted to holistically testing the
-decoder and encoder.
-
-The second type of testing is used to verify the implementation's adherence
-to the TOML specification. These tests have been factored into their own
-project: https://github.com/BurntSushi/toml-test
-
-The reason the tests are in a separate project is so that they can be used by
-any implementation of TOML. Namely, it is language agnostic.
-*/
-package toml

v2/vendored/toml/encode.go

@@ -1,605 +0,0 @@
-package toml
-
-import (
-	"bufio"
-	"errors"
-	"fmt"
-	"io"
-	"reflect"
-	"sort"
-	"strconv"
-	"strings"
-	"time"
-)
-
-type tomlEncodeError struct{ error }
-
-var (
-	errArrayMixedElementTypes = errors.New(
-		"toml: cannot encode array with mixed element types")
-	errArrayNilElement = errors.New(
-		"toml: cannot encode array with nil element")
-	errNonString = errors.New(
-		"toml: cannot encode a map with non-string key type")
-	errAnonNonStruct = errors.New(
-		"toml: cannot encode an anonymous field that is not a struct")
-	errArrayNoTable = errors.New(
-		"toml: TOML array element cannot contain a table")
-	errNoKey = errors.New(
-		"toml: top-level values must be Go maps or structs")
-	errAnything = errors.New("") // used in testing
-)
-
-var quotedReplacer = strings.NewReplacer(
-	"\t", "\\t",
-	"\n", "\\n",
-	"\r", "\\r",
-	"\"", "\\\"",
-	"\\", "\\\\",
-)
-
-const (
-	// tagComment generates a descriptive comment above an object
-	tagComment = "comment"
-
-	// tagCommented will generate the corresponding comment file, but it will be commented out
-	tagCommented = "commented"
-)
-
-// Encoder controls the encoding of Go values to a TOML document to some
-// io.Writer.
-//
-// The indentation level can be controlled with the Indent field.
-type Encoder struct {
-	// A single indentation level. By default it is two spaces.
-	Indent string
-	// indicates in the line should be generated commented out
-	commented bool
-	// hasWritten is whether we have written any output to w yet.
-	hasWritten bool
-	w          *bufio.Writer
-}
-
-// NewEncoder returns a TOML encoder that encodes Go values to the io.Writer
-// given. By default, a single indentation level is 2 spaces.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{
-		w:      bufio.NewWriter(w),
-		Indent: "  ",
-	}
-}
-
-// Encode writes a TOML representation of the Go value to the underlying
-// io.Writer. If the value given cannot be encoded to a valid TOML document,
-// then an error is returned.
-//
-// The mapping between Go values and TOML values should be precisely the same
-// as for the Decode* functions. Similarly, the TextMarshaler interface is
-// supported by encoding the resulting bytes as strings. (If you want to write
-// arbitrary binary data then you will need to use something like base64 since
-// TOML does not have any binary types.)
-//
-// When encoding TOML hashes (i.e., Go maps or structs), keys without any
-// sub-hashes are encoded first.
-//
-// If a Go map is encoded, then its keys are sorted alphabetically for
-// deterministic output. More control over this behavior may be provided if
-// there is demand for it.
-//
-// Encoding Go values without a corresponding TOML representation---like map
-// types with non-string keys---will cause an error to be returned. Similarly
-// for mixed arrays/slices, arrays/slices with nil elements, embedded
-// non-struct types and nested slices containing maps or structs.
-// (e.g., [][]map[string]string is not allowed but []map[string]string is OK
-// and so is []map[string][]string.)
-func (enc *Encoder) Encode(v interface{}) error {
-	rv := eindirect(reflect.ValueOf(v))
-	if err := enc.safeEncode(Key([]string{}), rv); err != nil {
-		return err
-	}
-	return enc.w.Flush()
-}
-
-func (enc *Encoder) safeEncode(key Key, rv reflect.Value) (err error) {
-	defer func() {
-		if r := recover(); r != nil {
-			if terr, ok := r.(tomlEncodeError); ok {
-				err = terr.error
-				return
-			}
-			panic(r)
-		}
-	}()
-	enc.encode(key, rv)
-	return nil
-}
-
-func (enc *Encoder) encode(key Key, rv reflect.Value) {
-	// Special case. Time needs to be in ISO8601 format.
-	// Special case. If we can marshal the type to text, then we used that.
-	// Basically, this prevents the encoder for handling these types as
-	// generic structs (or whatever the underlying type of a TextMarshaler is).
-	switch rv.Interface().(type) {
-	case time.Time, TextMarshaler, time.Duration:
-		enc.keyEqElement(key, rv)
-		return
-	}
-
-	k := rv.Kind()
-	switch k {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
-		reflect.Int64,
-		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
-		reflect.Uint64,
-		reflect.Float32, reflect.Float64, reflect.String, reflect.Bool:
-		enc.keyEqElement(key, rv)
-	case reflect.Array, reflect.Slice:
-		if typeEqual(tomlArrayHash, tomlTypeOfGo(rv)) {
-			enc.eArrayOfTables(key, rv)
-		} else {
-			enc.keyEqElement(key, rv)
-		}
-	case reflect.Interface:
-		if rv.IsNil() {
-			return
-		}
-		enc.encode(key, rv.Elem())
-	case reflect.Map:
-		if rv.IsNil() {
-			return
-		}
-		enc.eTable(key, rv)
-	case reflect.Ptr:
-		if rv.IsNil() {
-			return
-		}
-		enc.encode(key, rv.Elem())
-	case reflect.Struct:
-		enc.eTable(key, rv)
-	default:
-		panic(e("unsupported type for key '%s': %s", key, k))
-	}
-}
-
-// eElement encodes any value that can be an array element (primitives and
-// arrays).
-func (enc *Encoder) eElement(rv reflect.Value) {
-	switch v := rv.Interface().(type) {
-	case time.Time:
-		// Special case time.Time as a primitive. Has to come before
-		// TextMarshaler below because time.Time implements
-		// encoding.TextMarshaler, but we need to always use UTC.
-		enc.wf(v.UTC().Format("2006-01-02T15:04:05Z"))
-		return
-	case TextMarshaler:
-		// Special case. Use text marshaler if it's available for this value.
-		if s, err := v.MarshalText(); err != nil {
-			encPanic(err)
-		} else {
-			enc.writeQuoted(string(s))
-		}
-		return
-	case time.Duration:
-		s := v.String()
-		enc.writeQuoted(s)
-		return
-	}
-	switch rv.Kind() {
-	case reflect.Bool:
-		enc.wf(strconv.FormatBool(rv.Bool()))
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
-		reflect.Int64:
-		enc.wf(strconv.FormatInt(rv.Int(), 10))
-	case reflect.Uint, reflect.Uint8, reflect.Uint16,
-		reflect.Uint32, reflect.Uint64:
-		enc.wf(strconv.FormatUint(rv.Uint(), 10))
-	case reflect.Float32:
-		enc.wf(floatAddDecimal(strconv.FormatFloat(rv.Float(), 'f', -1, 32)))
-	case reflect.Float64:
-		enc.wf(floatAddDecimal(strconv.FormatFloat(rv.Float(), 'f', -1, 64)))
-	case reflect.Array, reflect.Slice:
-		enc.eArrayOrSliceElement(rv)
-	case reflect.Interface:
-		enc.eElement(rv.Elem())
-	case reflect.String:
-		enc.writeQuoted(rv.String())
-	default:
-		panic(e("unexpected primitive type: %s", rv.Kind()))
-	}
-}
-
-// By the TOML spec, all floats must have a decimal with at least one
-// number on either side.
-func floatAddDecimal(fstr string) string {
-	if !strings.Contains(fstr, ".") {
-		return fstr + ".0"
-	}
-	return fstr
-}
-
-func (enc *Encoder) writeQuoted(s string) {
-	enc.wf("\"%s\"", quotedReplacer.Replace(s))
-}
-
-func (enc *Encoder) eArrayOrSliceElement(rv reflect.Value) {
-	length := rv.Len()
-	enc.wf("[")
-	for i := 0; i < length; i++ {
-		elem := rv.Index(i)
-		enc.eElement(elem)
-		if i != length-1 {
-			enc.wf(", ")
-		}
-	}
-	enc.wf("]")
-}
-
-func (enc *Encoder) eArrayOfTables(key Key, rv reflect.Value) {
-	if len(key) == 0 {
-		encPanic(errNoKey)
-	}
-	for i := 0; i < rv.Len(); i++ {
-		trv := rv.Index(i)
-		if isNil(trv) {
-			continue
-		}
-		panicIfInvalidKey(key)
-		enc.newline()
-		enc.wf("%s[[%s]]", enc.indentStr(key), key.maybeQuotedAll())
-		enc.newline()
-		enc.eMapOrStruct(key, trv)
-	}
-}
-
-func (enc *Encoder) eTable(key Key, rv reflect.Value) {
-	panicIfInvalidKey(key)
-	if len(key) == 1 {
-		// Output an extra newline between top-level tables.
-		// (The newline isn't written if nothing else has been written though.)
-		enc.newline()
-	}
-	format := "%s[%s]"
-	if enc.commented {
-		format = "%s#[%s]"
-	}
-	if len(key) > 0 {
-		enc.wf(format, enc.indentStr(key), key.maybeQuotedAll())
-		enc.newline()
-	}
-	enc.eMapOrStruct(key, rv)
-}
-
-func (enc *Encoder) eMapOrStruct(key Key, rv reflect.Value) {
-	switch rv := eindirect(rv); rv.Kind() {
-	case reflect.Map:
-		enc.eMap(key, rv)
-	case reflect.Struct:
-		enc.eStruct(key, rv)
-	default:
-		panic("eTable: unhandled reflect.Value Kind: " + rv.Kind().String())
-	}
-}
-
-func (enc *Encoder) eMap(key Key, rv reflect.Value) {
-	rt := rv.Type()
-	if rt.Key().Kind() != reflect.String {
-		encPanic(errNonString)
-	}
-
-	// Sort keys so that we have deterministic output. And write keys directly
-	// underneath this key first, before writing sub-structs or sub-maps.
-	var mapKeysDirect, mapKeysSub []string
-	for _, mapKey := range rv.MapKeys() {
-		k := mapKey.String()
-		if typeIsHash(tomlTypeOfGo(rv.MapIndex(mapKey))) {
-			mapKeysSub = append(mapKeysSub, k)
-		} else {
-			mapKeysDirect = append(mapKeysDirect, k)
-		}
-	}
-
-	var writeMapKeys = func(mapKeys []string) {
-		sort.Strings(mapKeys)
-		for _, mapKey := range mapKeys {
-			mrv := rv.MapIndex(reflect.ValueOf(mapKey))
-			if isNil(mrv) {
-				// Don't write anything for nil fields.
-				continue
-			}
-			enc.encode(key.add(mapKey), mrv)
-		}
-	}
-	writeMapKeys(mapKeysDirect)
-	writeMapKeys(mapKeysSub)
-}
-
-func (enc *Encoder) eStruct(key Key, rv reflect.Value) {
-	// Write keys for fields directly under this key first, because if we write
-	// a field that creates a new table, then all keys under it will be in that
-	// table (not the one we're writing here).
-	rt := rv.Type()
-	var fieldsDirect, fieldsSub [][]int
-	var addFields func(rt reflect.Type, rv reflect.Value, start []int)
-	addFields = func(rt reflect.Type, rv reflect.Value, start []int) {
-		for i := 0; i < rt.NumField(); i++ {
-			f := rt.Field(i)
-			// skip unexported fields
-			if f.PkgPath != "" && !f.Anonymous {
-				continue
-			}
-			frv := rv.Field(i)
-			if f.Anonymous {
-				t := f.Type
-				switch t.Kind() {
-				case reflect.Struct:
-					// Treat anonymous struct fields with
-					// tag names as though they are not
-					// anonymous, like encoding/json does.
-					if getOptions(f.Tag).name == "" {
-						addFields(t, frv, f.Index)
-						continue
-					}
-				case reflect.Ptr:
-					if t.Elem().Kind() == reflect.Struct &&
-						getOptions(f.Tag).name == "" {
-						if !frv.IsNil() {
-							addFields(t.Elem(), frv.Elem(), f.Index)
-						}
-						continue
-					}
-					// Fall through to the normal field encoding logic below
-					// for non-struct anonymous fields.
-				}
-			}
-
-			if typeIsHash(tomlTypeOfGo(frv)) {
-				fieldsSub = append(fieldsSub, append(start, f.Index...))
-			} else {
-				fieldsDirect = append(fieldsDirect, append(start, f.Index...))
-			}
-		}
-	}
-	addFields(rt, rv, nil)
-
-	var writeFields = func(fields [][]int) {
-		for _, fieldIndex := range fields {
-			sft := rt.FieldByIndex(fieldIndex)
-			sf := rv.FieldByIndex(fieldIndex)
-			if isNil(sf) {
-				// Don't write anything for nil fields.
-				continue
-			}
-
-			opts := getOptions(sft.Tag)
-			if opts.skip {
-				continue
-			}
-			keyName := sft.Name
-			if opts.name != "" {
-				keyName = opts.name
-			}
-			if opts.omitempty && isEmpty(sf) {
-				continue
-			}
-			if opts.omitzero && isZero(sf) {
-				continue
-			}
-
-			if s := sft.Tag.Get(tagCommented); s == "true" {
-				enc.commented = true
-				enc.addComment(key.add(keyName), sft.Tag)
-				enc.encode(key.add(keyName), sf)
-				enc.commented = false
-				continue
-			}
-
-			enc.addComment(key.add(keyName), sft.Tag)
-			enc.encode(key.add(keyName), sf)
-		}
-	}
-	writeFields(fieldsDirect)
-	writeFields(fieldsSub)
-}
-
-func (enc *Encoder) addComment(key Key, tag reflect.StructTag) {
-	if s := tag.Get(tagComment); s != "" {
-		enc.wf("%s# %s\n", enc.indentStr(key), s)
-		enc.hasWritten = false
-	}
-}
-
-// tomlTypeName returns the TOML type name of the Go value's type. It is
-// used to determine whether the types of array elements are mixed (which is
-// forbidden). If the Go value is nil, then it is illegal for it to be an array
-// element, and valueIsNil is returned as true.
-
-// Returns the TOML type of a Go value. The type may be `nil`, which means
-// no concrete TOML type could be found.
-func tomlTypeOfGo(rv reflect.Value) tomlType {
-	if isNil(rv) || !rv.IsValid() {
-		return nil
-	}
-	switch rv.Kind() {
-	case reflect.Bool:
-		return tomlBool
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
-		reflect.Int64,
-		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
-		reflect.Uint64:
-		return tomlInteger
-	case reflect.Float32, reflect.Float64:
-		return tomlFloat
-	case reflect.Array, reflect.Slice:
-		if typeEqual(tomlHash, tomlArrayType(rv)) {
-			return tomlArrayHash
-		}
-		return tomlArray
-	case reflect.Ptr, reflect.Interface:
-		return tomlTypeOfGo(rv.Elem())
-	case reflect.String:
-		return tomlString
-	case reflect.Map:
-		return tomlHash
-	case reflect.Struct:
-		switch rv.Interface().(type) {
-		case time.Time:
-			return tomlDatetime
-		case TextMarshaler:
-			return tomlString
-		default:
-			return tomlHash
-		}
-	default:
-		panic("unexpected reflect.Kind: " + rv.Kind().String())
-	}
-}
-
-// tomlArrayType returns the element type of a TOML array. The type returned
-// may be nil if it cannot be determined (e.g., a nil slice or a zero length
-// slize). This function may also panic if it finds a type that cannot be
-// expressed in TOML (such as nil elements, heterogeneous arrays or directly
-// nested arrays of tables).
-func tomlArrayType(rv reflect.Value) tomlType {
-	if isNil(rv) || !rv.IsValid() || rv.Len() == 0 {
-		return nil
-	}
-	firstType := tomlTypeOfGo(rv.Index(0))
-	if firstType == nil {
-		encPanic(errArrayNilElement)
-	}
-
-	rvlen := rv.Len()
-	for i := 1; i < rvlen; i++ {
-		elem := rv.Index(i)
-		switch elemType := tomlTypeOfGo(elem); {
-		case elemType == nil:
-			encPanic(errArrayNilElement)
-		case !typeEqual(firstType, elemType):
-			encPanic(errArrayMixedElementTypes)
-		}
-	}
-	// If we have a nested array, then we must make sure that the nested
-	// array contains ONLY primitives.
-	// This checks arbitrarily nested arrays.
-	if typeEqual(firstType, tomlArray) || typeEqual(firstType, tomlArrayHash) {
-		nest := tomlArrayType(eindirect(rv.Index(0)))
-		if typeEqual(nest, tomlHash) || typeEqual(nest, tomlArrayHash) {
-			encPanic(errArrayNoTable)
-		}
-	}
-	return firstType
-}
-
-type tagOptions struct {
-	skip      bool // "-"
-	name      string
-	omitempty bool
-	omitzero  bool
-}
-
-func getOptions(tag reflect.StructTag) tagOptions {
-	t := tag.Get("toml")
-	if t == "-" {
-		return tagOptions{skip: true}
-	}
-	var opts tagOptions
-	parts := strings.Split(t, ",")
-	opts.name = parts[0]
-	for _, s := range parts[1:] {
-		switch s {
-		case "omitempty":
-			opts.omitempty = true
-		case "omitzero":
-			opts.omitzero = true
-		}
-	}
-	return opts
-}
-
-func isZero(rv reflect.Value) bool {
-	switch rv.Kind() {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return rv.Int() == 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
-		return rv.Uint() == 0
-	case reflect.Float32, reflect.Float64:
-		return rv.Float() == 0.0
-	}
-	return false
-}
-
-func isEmpty(rv reflect.Value) bool {
-	switch rv.Kind() {
-	case reflect.Array, reflect.Slice, reflect.Map, reflect.String:
-		return rv.Len() == 0
-	case reflect.Bool:
-		return !rv.Bool()
-	}
-	return false
-}
-
-func (enc *Encoder) newline() {
-	if enc.hasWritten {
-		enc.wf("\n")
-	}
-}
-
-func (enc *Encoder) keyEqElement(key Key, val reflect.Value) {
-	if len(key) == 0 {
-		encPanic(errNoKey)
-	}
-	panicIfInvalidKey(key)
-	format := "%s%s = "
-	if enc.commented {
-		format = "%s#%s = "
-	}
-	enc.wf(format, enc.indentStr(key), key.maybeQuoted(len(key)-1))
-	enc.eElement(val)
-	enc.newline()
-}
-
-func (enc *Encoder) wf(format string, v ...interface{}) {
-	if _, err := fmt.Fprintf(enc.w, format, v...); err != nil {
-		encPanic(err)
-	}
-	enc.hasWritten = true
-}
-
-func (enc *Encoder) indentStr(key Key) string {
-	return strings.Repeat(enc.Indent, len(key)-1)
-}
-
-func encPanic(err error) {
-	panic(tomlEncodeError{err})
-}
-
-func eindirect(v reflect.Value) reflect.Value {
-	switch v.Kind() {
-	case reflect.Ptr, reflect.Interface:
-		return eindirect(v.Elem())
-	default:
-		return v
-	}
-}
-
-func isNil(rv reflect.Value) bool {
-	switch rv.Kind() {
-	case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
-		return rv.IsNil()
-	default:
-		return false
-	}
-}
-
-func panicIfInvalidKey(key Key) {
-	for _, k := range key {
-		if len(k) == 0 {
-			encPanic(e("Key '%s' is not a valid table name. Key names "+
-				"cannot be empty.", key.maybeQuotedAll()))
-		}
-	}
-}
-
-func isValidKeyName(s string) bool {
-	return len(s) != 0
-}

v2/vendored/toml/encode_test.go

@@ -1,697 +0,0 @@
-package toml
-
-import (
-	"bytes"
-	"fmt"
-	"log"
-	"net"
-	"testing"
-	"time"
-)
-
-func TestEncodeRoundTrip(t *testing.T) {
-	type Config struct {
-		Age        int
-		Cats       []string
-		Pi         float64
-		Perfection []int
-		DOB        time.Time
-		Ipaddress  net.IP
-	}
-
-	var inputs = Config{
-		13,
-		[]string{"one", "two", "three"},
-		3.145,
-		[]int{11, 2, 3, 4},
-		time.Now(),
-		net.ParseIP("192.168.59.254"),
-	}
-
-	var firstBuffer bytes.Buffer
-	e := NewEncoder(&firstBuffer)
-	err := e.Encode(inputs)
-	if err != nil {
-		t.Fatal(err)
-	}
-	var outputs Config
-	if _, err := Decode(firstBuffer.String(), &outputs); err != nil {
-		t.Logf("Could not decode:\n-----\n%s\n-----\n",
-			firstBuffer.String())
-		t.Fatal(err)
-	}
-
-	// could test each value individually, but I'm lazy
-	var secondBuffer bytes.Buffer
-	e2 := NewEncoder(&secondBuffer)
-	err = e2.Encode(outputs)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if firstBuffer.String() != secondBuffer.String() {
-		t.Error(
-			firstBuffer.String(),
-			"\n\n is not identical to\n\n",
-			secondBuffer.String())
-	}
-}
-
-// XXX(burntsushi)
-// I think these tests probably should be removed. They are good, but they
-// ought to be obsolete by toml-test.
-func TestEncode(t *testing.T) {
-	type Embedded struct {
-		Int int `toml:"_int"`
-	}
-	type NonStruct int
-
-	date := time.Date(2014, 5, 11, 20, 30, 40, 0, time.FixedZone("IST", 3600))
-	dateStr := "2014-05-11T19:30:40Z"
-
-	tests := map[string]struct {
-		input      interface{}
-		wantOutput string
-		wantError  error
-	}{
-		"bool field": {
-			input: struct {
-				BoolTrue  bool
-				BoolFalse bool
-			}{true, false},
-			wantOutput: "BoolTrue = true\nBoolFalse = false\n",
-		},
-		"int fields": {
-			input: struct {
-				Int   int
-				Int8  int8
-				Int16 int16
-				Int32 int32
-				Int64 int64
-			}{1, 2, 3, 4, 5},
-			wantOutput: "Int = 1\nInt8 = 2\nInt16 = 3\nInt32 = 4\nInt64 = 5\n",
-		},
-		"uint fields": {
-			input: struct {
-				Uint   uint
-				Uint8  uint8
-				Uint16 uint16
-				Uint32 uint32
-				Uint64 uint64
-			}{1, 2, 3, 4, 5},
-			wantOutput: "Uint = 1\nUint8 = 2\nUint16 = 3\nUint32 = 4" +
-				"\nUint64 = 5\n",
-		},
-		"float fields": {
-			input: struct {
-				Float32 float32
-				Float64 float64
-			}{1.5, 2.5},
-			wantOutput: "Float32 = 1.5\nFloat64 = 2.5\n",
-		},
-		"string field": {
-			input:      struct{ String string }{"foo"},
-			wantOutput: "String = \"foo\"\n",
-		},
-		"string field and unexported field": {
-			input: struct {
-				String     string
-				unexported int
-			}{"foo", 0},
-			wantOutput: "String = \"foo\"\n",
-		},
-		"datetime field in UTC": {
-			input:      struct{ Date time.Time }{date},
-			wantOutput: fmt.Sprintf("Date = %s\n", dateStr),
-		},
-		"datetime field as primitive": {
-			// Using a map here to fail if isStructOrMap() returns true for
-			// time.Time.
-			input: map[string]interface{}{
-				"Date": date,
-				"Int":  1,
-			},
-			wantOutput: fmt.Sprintf("Date = %s\nInt = 1\n", dateStr),
-		},
-		"array fields": {
-			input: struct {
-				IntArray0 [0]int
-				IntArray3 [3]int
-			}{[0]int{}, [3]int{1, 2, 3}},
-			wantOutput: "IntArray0 = []\nIntArray3 = [1, 2, 3]\n",
-		},
-		"slice fields": {
-			input: struct{ IntSliceNil, IntSlice0, IntSlice3 []int }{
-				nil, []int{}, []int{1, 2, 3},
-			},
-			wantOutput: "IntSlice0 = []\nIntSlice3 = [1, 2, 3]\n",
-		},
-		"datetime slices": {
-			input: struct{ DatetimeSlice []time.Time }{
-				[]time.Time{date, date},
-			},
-			wantOutput: fmt.Sprintf("DatetimeSlice = [%s, %s]\n",
-				dateStr, dateStr),
-		},
-		"nested arrays and slices": {
-			input: struct {
-				SliceOfArrays         [][2]int
-				ArrayOfSlices         [2][]int
-				SliceOfArraysOfSlices [][2][]int
-				ArrayOfSlicesOfArrays [2][][2]int
-				SliceOfMixedArrays    [][2]interface{}
-				ArrayOfMixedSlices    [2][]interface{}
-			}{
-				[][2]int{{1, 2}, {3, 4}},
-				[2][]int{{1, 2}, {3, 4}},
-				[][2][]int{
-					{
-						{1, 2}, {3, 4},
-					},
-					{
-						{5, 6}, {7, 8},
-					},
-				},
-				[2][][2]int{
-					{
-						{1, 2}, {3, 4},
-					},
-					{
-						{5, 6}, {7, 8},
-					},
-				},
-				[][2]interface{}{
-					{1, 2}, {"a", "b"},
-				},
-				[2][]interface{}{
-					{1, 2}, {"a", "b"},
-				},
-			},
-			wantOutput: `SliceOfArrays = [[1, 2], [3, 4]]
-ArrayOfSlices = [[1, 2], [3, 4]]
-SliceOfArraysOfSlices = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
-ArrayOfSlicesOfArrays = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
-SliceOfMixedArrays = [[1, 2], ["a", "b"]]
-ArrayOfMixedSlices = [[1, 2], ["a", "b"]]
-`,
-		},
-		"empty slice": {
-			input:      struct{ Empty []interface{} }{[]interface{}{}},
-			wantOutput: "Empty = []\n",
-		},
-		"(error) slice with element type mismatch (string and integer)": {
-			input:     struct{ Mixed []interface{} }{[]interface{}{1, "a"}},
-			wantError: errArrayMixedElementTypes,
-		},
-		"(error) slice with element type mismatch (integer and float)": {
-			input:     struct{ Mixed []interface{} }{[]interface{}{1, 2.5}},
-			wantError: errArrayMixedElementTypes,
-		},
-		"slice with elems of differing Go types, same TOML types": {
-			input: struct {
-				MixedInts   []interface{}
-				MixedFloats []interface{}
-			}{
-				[]interface{}{
-					int(1), int8(2), int16(3), int32(4), int64(5),
-					uint(1), uint8(2), uint16(3), uint32(4), uint64(5),
-				},
-				[]interface{}{float32(1.5), float64(2.5)},
-			},
-			wantOutput: "MixedInts = [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]\n" +
-				"MixedFloats = [1.5, 2.5]\n",
-		},
-		"(error) slice w/ element type mismatch (one is nested array)": {
-			input: struct{ Mixed []interface{} }{
-				[]interface{}{1, []interface{}{2}},
-			},
-			wantError: errArrayMixedElementTypes,
-		},
-		"(error) slice with 1 nil element": {
-			input:     struct{ NilElement1 []interface{} }{[]interface{}{nil}},
-			wantError: errArrayNilElement,
-		},
-		"(error) slice with 1 nil element (and other non-nil elements)": {
-			input: struct{ NilElement []interface{} }{
-				[]interface{}{1, nil},
-			},
-			wantError: errArrayNilElement,
-		},
-		"simple map": {
-			input:      map[string]int{"a": 1, "b": 2},
-			wantOutput: "a = 1\nb = 2\n",
-		},
-		"map with interface{} value type": {
-			input:      map[string]interface{}{"a": 1, "b": "c"},
-			wantOutput: "a = 1\nb = \"c\"\n",
-		},
-		"map with interface{} value type, some of which are structs": {
-			input: map[string]interface{}{
-				"a": struct{ Int int }{2},
-				"b": 1,
-			},
-			wantOutput: "b = 1\n\n[a]\n  Int = 2\n",
-		},
-		"nested map": {
-			input: map[string]map[string]int{
-				"a": {"b": 1},
-				"c": {"d": 2},
-			},
-			wantOutput: "[a]\n  b = 1\n\n[c]\n  d = 2\n",
-		},
-		"nested struct": {
-			input: struct{ Struct struct{ Int int } }{
-				struct{ Int int }{1},
-			},
-			wantOutput: "[Struct]\n  Int = 1\n",
-		},
-		"nested struct and non-struct field": {
-			input: struct {
-				Struct struct{ Int int }
-				Bool   bool
-			}{struct{ Int int }{1}, true},
-			wantOutput: "Bool = true\n\n[Struct]\n  Int = 1\n",
-		},
-		"2 nested structs": {
-			input: struct{ Struct1, Struct2 struct{ Int int } }{
-				struct{ Int int }{1}, struct{ Int int }{2},
-			},
-			wantOutput: "[Struct1]\n  Int = 1\n\n[Struct2]\n  Int = 2\n",
-		},
-		"deeply nested structs": {
-			input: struct {
-				Struct1, Struct2 struct{ Struct3 *struct{ Int int } }
-			}{
-				struct{ Struct3 *struct{ Int int } }{&struct{ Int int }{1}},
-				struct{ Struct3 *struct{ Int int } }{nil},
-			},
-			wantOutput: "[Struct1]\n  [Struct1.Struct3]\n    Int = 1" +
-				"\n\n[Struct2]\n",
-		},
-		"nested struct with nil struct elem": {
-			input: struct {
-				Struct struct{ Inner *struct{ Int int } }
-			}{
-				struct{ Inner *struct{ Int int } }{nil},
-			},
-			wantOutput: "[Struct]\n",
-		},
-		"nested struct with no fields": {
-			input: struct {
-				Struct struct{ Inner struct{} }
-			}{
-				struct{ Inner struct{} }{struct{}{}},
-			},
-			wantOutput: "[Struct]\n  [Struct.Inner]\n",
-		},
-		"struct with tags": {
-			input: struct {
-				Struct struct {
-					Int int `toml:"_int"`
-				} `toml:"_struct"`
-				Bool bool `toml:"_bool"`
-			}{
-				struct {
-					Int int `toml:"_int"`
-				}{1}, true,
-			},
-			wantOutput: "_bool = true\n\n[_struct]\n  _int = 1\n",
-		},
-		"embedded struct": {
-			input:      struct{ Embedded }{Embedded{1}},
-			wantOutput: "_int = 1\n",
-		},
-		"embedded *struct": {
-			input:      struct{ *Embedded }{&Embedded{1}},
-			wantOutput: "_int = 1\n",
-		},
-		"nested embedded struct": {
-			input: struct {
-				Struct struct{ Embedded } `toml:"_struct"`
-			}{struct{ Embedded }{Embedded{1}}},
-			wantOutput: "[_struct]\n  _int = 1\n",
-		},
-		"nested embedded *struct": {
-			input: struct {
-				Struct struct{ *Embedded } `toml:"_struct"`
-			}{struct{ *Embedded }{&Embedded{1}}},
-			wantOutput: "[_struct]\n  _int = 1\n",
-		},
-		"embedded non-struct": {
-			input:      struct{ NonStruct }{5},
-			wantOutput: "NonStruct = 5\n",
-		},
-		"array of tables": {
-			input: struct {
-				Structs []*struct{ Int int } `toml:"struct"`
-			}{
-				[]*struct{ Int int }{{1}, {3}},
-			},
-			wantOutput: "[[struct]]\n  Int = 1\n\n[[struct]]\n  Int = 3\n",
-		},
-		"array of tables order": {
-			input: map[string]interface{}{
-				"map": map[string]interface{}{
-					"zero": 5,
-					"arr": []map[string]int{
-						{
-							"friend": 5,
-						},
-					},
-				},
-			},
-			wantOutput: "[map]\n  zero = 5\n\n  [[map.arr]]\n    friend = 5\n",
-		},
-		"(error) top-level slice": {
-			input:     []struct{ Int int }{{1}, {2}, {3}},
-			wantError: errNoKey,
-		},
-		"(error) slice of slice": {
-			input: struct {
-				Slices [][]struct{ Int int }
-			}{
-				[][]struct{ Int int }{{{1}}, {{2}}, {{3}}},
-			},
-			wantError: errArrayNoTable,
-		},
-		"(error) map no string key": {
-			input:     map[int]string{1: ""},
-			wantError: errNonString,
-		},
-		"(error) empty key name": {
-			input:     map[string]int{"": 1},
-			wantError: errAnything,
-		},
-		"(error) empty map name": {
-			input: map[string]interface{}{
-				"": map[string]int{"v": 1},
-			},
-			wantError: errAnything,
-		},
-		"simple fields with comments": {
-			input: struct {
-				Int1  int     `comment:"an integer"`
-				Float float64 `comment:"a float"`
-				Bool  bool    `comment:"a bool"`
-			}{0, 0.0, false},
-			wantOutput: "# an integer\nInt1 = 0\n# a float\nFloat = 0.0\n# a bool\nBool = false\n",
-		},
-		"embedded struct with comments": {
-			input: struct {
-				Parent struct {
-					Name  string `comment:"my name"`
-					Value int    `comment:"my value"`
-				} `comment:"parent"`
-			}{struct {
-				Name  string `comment:"my name"`
-				Value int    `comment:"my value"`
-			}{"hello", 10}},
-			wantOutput: "# parent\n[Parent]\n  # my name\n  Name = \"hello\"\n  # my value\n  Value = 10\n",
-		},
-		"slice with comments": {
-			input: struct {
-				Primes []int `comment:"prime numbers"`
-			}{[]int{1, 2, 3, 5, 7}},
-			wantOutput: "# prime numbers\nPrimes = [1, 2, 3, 5, 7]\n",
-		},
-		"map with comments": {
-			input: struct {
-				Library map[string]interface{} `comment:"a library"`
-			}{map[string]interface{}{"name": "hello", "age": 99}},
-			wantOutput: "# a library\n[Library]\n  age = 99\n  name = \"hello\"\n",
-		},
-		"2 layer embedded struct with comments": {
-			input: struct {
-				Parent struct {
-					Child struct {
-						Int int `comment:"child int"`
-					} `comment:"child struct"`
-				} `comment:"parent struct"`
-			}{},
-			wantOutput: "# parent struct\n[Parent]\n  # child struct\n  [Parent.Child]\n    # child int\n    Int = 0\n",
-		},
-		"commented value": {
-			input: struct {
-				Int int `commented:"true"`
-			}{},
-			wantOutput: "#Int = 0\n",
-		},
-		"commented struct": {
-			input: struct {
-				Data struct {
-					Int  int `comment:"data count"`
-					Name string
-				} `commented:"true"`
-			}{},
-			wantOutput: "#[Data]\n  # data count\n  #Int = 0\n  #Name = \"\"\n",
-		},
-		"commented slice": {
-			input: struct {
-				Slice []string `commented:"true"`
-			}{Slice: []string{"apple", "orange", "mango"}},
-			wantOutput: "#Slice = [\"apple\", \"orange\", \"mango\"]\n",
-		},
-		"commented map": {
-			input: struct {
-				Map map[string]string `commented:"true"`
-			}{Map: map[string]string{"hello": "world"}},
-			wantOutput: "#[Map]\n  #hello = \"world\"\n",
-		},
-		"struct in structs": {
-			input: struct {
-				Parent struct {
-					Child struct {
-						Int int
-					} `commented:"true" comment:"child"`
-				} `commented:"true"`
-				Cousin struct {
-					Amount time.Duration
-				}
-			}{},
-			wantOutput: "#[Parent]\n  # child\n  #[Parent.Child]\n    #Int = 0\n\n[Cousin]\n  Amount = \"0s\"\n",
-		},
-	}
-	for label, test := range tests {
-		encodeExpected(t, label, test.input, test.wantOutput, test.wantError)
-	}
-}
-
-func TestEncodeNestedTableArrays(t *testing.T) {
-	type song struct {
-		Name string `toml:"name"`
-	}
-	type album struct {
-		Name  string `toml:"name"`
-		Songs []song `toml:"songs"`
-	}
-	type springsteen struct {
-		Albums []album `toml:"albums"`
-	}
-	value := springsteen{
-		[]album{
-			{"Born to Run",
-				[]song{{"Jungleland"}, {"Meeting Across the River"}}},
-			{"Born in the USA",
-				[]song{{"Glory Days"}, {"Dancing in the Dark"}}},
-		},
-	}
-	expected := `[[albums]]
-  name = "Born to Run"
-
-  [[albums.songs]]
-    name = "Jungleland"
-
-  [[albums.songs]]
-    name = "Meeting Across the River"
-
-[[albums]]
-  name = "Born in the USA"
-
-  [[albums.songs]]
-    name = "Glory Days"
-
-  [[albums.songs]]
-    name = "Dancing in the Dark"
-`
-	encodeExpected(t, "nested table arrays", value, expected, nil)
-}
-
-func TestEncodeArrayHashWithNormalHashOrder(t *testing.T) {
-	type Alpha struct {
-		V int
-	}
-	type Beta struct {
-		V int
-	}
-	type Conf struct {
-		V int
-		A Alpha
-		B []Beta
-	}
-
-	val := Conf{
-		V: 1,
-		A: Alpha{2},
-		B: []Beta{{3}},
-	}
-	expected := "V = 1\n\n[A]\n  V = 2\n\n[[B]]\n  V = 3\n"
-	encodeExpected(t, "array hash with normal hash order", val, expected, nil)
-}
-
-func TestEncodeWithOmitEmpty(t *testing.T) {
-	type simple struct {
-		Bool   bool              `toml:"bool,omitempty"`
-		String string            `toml:"string,omitempty"`
-		Array  [0]byte           `toml:"array,omitempty"`
-		Slice  []int             `toml:"slice,omitempty"`
-		Map    map[string]string `toml:"map,omitempty"`
-	}
-
-	var v simple
-	encodeExpected(t, "fields with omitempty are omitted when empty", v, "", nil)
-	v = simple{
-		Bool:   true,
-		String: " ",
-		Slice:  []int{2, 3, 4},
-		Map:    map[string]string{"foo": "bar"},
-	}
-	expected := `bool = true
-string = " "
-slice = [2, 3, 4]
-
-[map]
-  foo = "bar"
-`
-	encodeExpected(t, "fields with omitempty are not omitted when non-empty",
-		v, expected, nil)
-}
-
-func TestEncodeWithOmitZero(t *testing.T) {
-	type simple struct {
-		Number   int     `toml:"number,omitzero"`
-		Real     float64 `toml:"real,omitzero"`
-		Unsigned uint    `toml:"unsigned,omitzero"`
-	}
-
-	value := simple{0, 0.0, uint(0)}
-	expected := ""
-
-	encodeExpected(t, "simple with omitzero, all zero", value, expected, nil)
-
-	value.Number = 10
-	value.Real = 20
-	value.Unsigned = 5
-	expected = `number = 10
-real = 20.0
-unsigned = 5
-`
-	encodeExpected(t, "simple with omitzero, non-zero", value, expected, nil)
-}
-
-func TestEncodeOmitemptyWithEmptyName(t *testing.T) {
-	type simple struct {
-		S []int `toml:",omitempty"`
-	}
-	v := simple{[]int{1, 2, 3}}
-	expected := "S = [1, 2, 3]\n"
-	encodeExpected(t, "simple with omitempty, no name, non-empty field",
-		v, expected, nil)
-}
-
-func TestEncodeAnonymousStruct(t *testing.T) {
-	type Inner struct{ N int }
-	type Outer0 struct{ Inner }
-	type Outer1 struct {
-		Inner `toml:"inner"`
-	}
-
-	v0 := Outer0{Inner{3}}
-	expected := "N = 3\n"
-	encodeExpected(t, "embedded anonymous untagged struct", v0, expected, nil)
-
-	v1 := Outer1{Inner{3}}
-	expected = "[inner]\n  N = 3\n"
-	encodeExpected(t, "embedded anonymous tagged struct", v1, expected, nil)
-}
-
-func TestEncodeAnonymousStructPointerField(t *testing.T) {
-	type Inner struct{ N int }
-	type Outer0 struct{ *Inner }
-	type Outer1 struct {
-		*Inner `toml:"inner"`
-	}
-
-	v0 := Outer0{}
-	expected := ""
-	encodeExpected(t, "nil anonymous untagged struct pointer field", v0, expected, nil)
-
-	v0 = Outer0{&Inner{3}}
-	expected = "N = 3\n"
-	encodeExpected(t, "non-nil anonymous untagged struct pointer field", v0, expected, nil)
-
-	v1 := Outer1{}
-	expected = ""
-	encodeExpected(t, "nil anonymous tagged struct pointer field", v1, expected, nil)
-
-	v1 = Outer1{&Inner{3}}
-	expected = "[inner]\n  N = 3\n"
-	encodeExpected(t, "non-nil anonymous tagged struct pointer field", v1, expected, nil)
-}
-
-func TestEncodeIgnoredFields(t *testing.T) {
-	type simple struct {
-		Number int `toml:"-"`
-	}
-	value := simple{}
-	expected := ""
-	encodeExpected(t, "ignored field", value, expected, nil)
-}
-
-func encodeExpected(
-	t *testing.T, label string, val interface{}, wantStr string, wantErr error,
-) {
-	var buf bytes.Buffer
-	enc := NewEncoder(&buf)
-	err := enc.Encode(val)
-	if err != wantErr {
-		if wantErr != nil {
-			if wantErr == errAnything && err != nil {
-				return
-			}
-			t.Errorf("%s: want Encode error %v, got %v", label, wantErr, err)
-		} else {
-			t.Errorf("%s: Encode failed: %s", label, err)
-		}
-	}
-	if err != nil {
-		return
-	}
-	if got := buf.String(); wantStr != got {
-		t.Errorf("%s: want\n-----\n%q\n-----\nbut got\n-----\n%q\n-----\n",
-			label, wantStr, got)
-	}
-}
-
-func ExampleEncoder_Encode() {
-	date, _ := time.Parse(time.RFC822, "14 Mar 10 18:00 UTC")
-	var config = map[string]interface{}{
-		"date":   date,
-		"counts": []int{1, 1, 2, 3, 5, 8},
-		"hash": map[string]string{
-			"key1": "val1",
-			"key2": "val2",
-		},
-	}
-	buf := new(bytes.Buffer)
-	if err := NewEncoder(buf).Encode(config); err != nil {
-		log.Fatal(err)
-	}
-	fmt.Println(buf.String())
-
-	// Output:
-	// counts = [1, 1, 2, 3, 5, 8]
-	// date = 2010-03-14T18:00:00Z
-	//
-	// [hash]
-	//   key1 = "val1"
-	//   key2 = "val2"
-}

v2/vendored/toml/encoding_types.go

@@ -1,20 +0,0 @@
-//go:build go1.2
-// +build go1.2
-
-package toml
-
-// In order to support Go 1.1, we define our own TextMarshaler and
-// TextUnmarshaler types. For Go 1.2+, we just alias them with the
-// standard library interfaces.
-
-import (
-	"encoding"
-)
-
-// TextMarshaler is a synonym for encoding.TextMarshaler. It is defined here
-// so that Go 1.1 can be supported.
-type TextMarshaler encoding.TextMarshaler
-
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
-// here so that Go 1.1 can be supported.
-type TextUnmarshaler encoding.TextUnmarshaler

v2/vendored/toml/encoding_types_1.1.go

@@ -1,19 +0,0 @@
-//go:build !go1.2
-// +build !go1.2
-
-package toml
-
-// These interfaces were introduced in Go 1.2, so we add them manually when
-// compiling for Go 1.1.
-
-// TextMarshaler is a synonym for encoding.TextMarshaler. It is defined here
-// so that Go 1.1 can be supported.
-type TextMarshaler interface {
-	MarshalText() (text []byte, err error)
-}
-
-// TextUnmarshaler is a synonym for encoding.TextUnmarshaler. It is defined
-// here so that Go 1.1 can be supported.
-type TextUnmarshaler interface {
-	UnmarshalText(text []byte) error
-}

v2/vendored/toml/go.mod

@@ -1,3 +0,0 @@
-module github.com/hydronica/toml
-
-go 1.11

v2/vendored/toml/lex.go

@@ -1,953 +0,0 @@
-package toml
-
-import (
-	"fmt"
-	"strings"
-	"unicode"
-	"unicode/utf8"
-)
-
-type itemType int
-
-const (
-	itemError itemType = iota
-	itemNIL            // used in the parser to indicate no type
-	itemEOF
-	itemText
-	itemString
-	itemRawString
-	itemMultilineString
-	itemRawMultilineString
-	itemBool
-	itemInteger
-	itemFloat
-	itemDatetime
-	itemArray // the start of an array
-	itemArrayEnd
-	itemTableStart
-	itemTableEnd
-	itemArrayTableStart
-	itemArrayTableEnd
-	itemKeyStart
-	itemCommentStart
-	itemInlineTableStart
-	itemInlineTableEnd
-)
-
-const (
-	eof              = 0
-	comma            = ','
-	tableStart       = '['
-	tableEnd         = ']'
-	arrayTableStart  = '['
-	arrayTableEnd    = ']'
-	tableSep         = '.'
-	keySep           = '='
-	arrayStart       = '['
-	arrayEnd         = ']'
-	commentStart     = '#'
-	stringStart      = '"'
-	stringEnd        = '"'
-	rawStringStart   = '\''
-	rawStringEnd     = '\''
-	inlineTableStart = '{'
-	inlineTableEnd   = '}'
-)
-
-type stateFn func(lx *lexer) stateFn
-
-type lexer struct {
-	input string
-	start int
-	pos   int
-	line  int
-	state stateFn
-	items chan item
-
-	// Allow for backing up up to three runes.
-	// This is necessary because TOML contains 3-rune tokens (""" and ''').
-	prevWidths [3]int
-	nprev      int // how many of prevWidths are in use
-	// If we emit an eof, we can still back up, but it is not OK to call
-	// next again.
-	atEOF bool
-
-	// A stack of state functions used to maintain context.
-	// The idea is to reuse parts of the state machine in various places.
-	// For example, values can appear at the top level or within arbitrarily
-	// nested arrays. The last state on the stack is used after a value has
-	// been lexed. Similarly for comments.
-	stack []stateFn
-}
-
-type item struct {
-	typ  itemType
-	val  string
-	line int
-}
-
-func (lx *lexer) nextItem() item {
-	for {
-		select {
-		case item := <-lx.items:
-			return item
-		default:
-			lx.state = lx.state(lx)
-		}
-	}
-}
-
-func lex(input string) *lexer {
-	lx := &lexer{
-		input: input,
-		state: lexTop,
-		line:  1,
-		items: make(chan item, 10),
-		stack: make([]stateFn, 0, 10),
-	}
-	return lx
-}
-
-func (lx *lexer) push(state stateFn) {
-	lx.stack = append(lx.stack, state)
-}
-
-func (lx *lexer) pop() stateFn {
-	if len(lx.stack) == 0 {
-		return lx.errorf("BUG in lexer: no states to pop")
-	}
-	last := lx.stack[len(lx.stack)-1]
-	lx.stack = lx.stack[0 : len(lx.stack)-1]
-	return last
-}
-
-func (lx *lexer) current() string {
-	return lx.input[lx.start:lx.pos]
-}
-
-func (lx *lexer) emit(typ itemType) {
-	lx.items <- item{typ, lx.current(), lx.line}
-	lx.start = lx.pos
-}
-
-func (lx *lexer) emitTrim(typ itemType) {
-	lx.items <- item{typ, strings.TrimSpace(lx.current()), lx.line}
-	lx.start = lx.pos
-}
-
-func (lx *lexer) next() (r rune) {
-	if lx.atEOF {
-		panic("next called after EOF")
-	}
-	if lx.pos >= len(lx.input) {
-		lx.atEOF = true
-		return eof
-	}
-
-	if lx.input[lx.pos] == '\n' {
-		lx.line++
-	}
-	lx.prevWidths[2] = lx.prevWidths[1]
-	lx.prevWidths[1] = lx.prevWidths[0]
-	if lx.nprev < 3 {
-		lx.nprev++
-	}
-	r, w := utf8.DecodeRuneInString(lx.input[lx.pos:])
-	lx.prevWidths[0] = w
-	lx.pos += w
-	return r
-}
-
-// ignore skips over the pending input before this point.
-func (lx *lexer) ignore() {
-	lx.start = lx.pos
-}
-
-// backup steps back one rune. Can be called only twice between calls to next.
-func (lx *lexer) backup() {
-	if lx.atEOF {
-		lx.atEOF = false
-		return
-	}
-	if lx.nprev < 1 {
-		panic("backed up too far")
-	}
-	w := lx.prevWidths[0]
-	lx.prevWidths[0] = lx.prevWidths[1]
-	lx.prevWidths[1] = lx.prevWidths[2]
-	lx.nprev--
-	lx.pos -= w
-	if lx.pos < len(lx.input) && lx.input[lx.pos] == '\n' {
-		lx.line--
-	}
-}
-
-// accept consumes the next rune if it's equal to `valid`.
-func (lx *lexer) accept(valid rune) bool {
-	if lx.next() == valid {
-		return true
-	}
-	lx.backup()
-	return false
-}
-
-// peek returns but does not consume the next rune in the input.
-func (lx *lexer) peek() rune {
-	r := lx.next()
-	lx.backup()
-	return r
-}
-
-// skip ignores all input that matches the given predicate.
-func (lx *lexer) skip(pred func(rune) bool) {
-	for {
-		r := lx.next()
-		if pred(r) {
-			continue
-		}
-		lx.backup()
-		lx.ignore()
-		return
-	}
-}
-
-// errorf stops all lexing by emitting an error and returning `nil`.
-// Note that any value that is a character is escaped if it's a special
-// character (newlines, tabs, etc.).
-func (lx *lexer) errorf(format string, values ...interface{}) stateFn {
-	lx.items <- item{
-		itemError,
-		fmt.Sprintf(format, values...),
-		lx.line,
-	}
-	return nil
-}
-
-// lexTop consumes elements at the top level of TOML data.
-func lexTop(lx *lexer) stateFn {
-	r := lx.next()
-	if isWhitespace(r) || isNL(r) {
-		return lexSkip(lx, lexTop)
-	}
-	switch r {
-	case commentStart:
-		lx.push(lexTop)
-		return lexCommentStart
-	case tableStart:
-		return lexTableStart
-	case eof:
-		if lx.pos > lx.start {
-			return lx.errorf("unexpected EOF")
-		}
-		lx.emit(itemEOF)
-		return nil
-	}
-
-	// At this point, the only valid item can be a key, so we back up
-	// and let the key lexer do the rest.
-	lx.backup()
-	lx.push(lexTopEnd)
-	return lexKeyStart
-}
-
-// lexTopEnd is entered whenever a top-level item has been consumed. (A value
-// or a table.) It must see only whitespace, and will turn back to lexTop
-// upon a newline. If it sees EOF, it will quit the lexer successfully.
-func lexTopEnd(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case r == commentStart:
-		// a comment will read to a newline for us.
-		lx.push(lexTop)
-		return lexCommentStart
-	case isWhitespace(r):
-		return lexTopEnd
-	case isNL(r):
-		lx.ignore()
-		return lexTop
-	case r == eof:
-		lx.emit(itemEOF)
-		return nil
-	}
-	return lx.errorf("expected a top-level item to end with a newline, "+
-		"comment, or EOF, but got %q instead", r)
-}
-
-// lexTable lexes the beginning of a table. Namely, it makes sure that
-// it starts with a character other than '.' and ']'.
-// It assumes that '[' has already been consumed.
-// It also handles the case that this is an item in an array of tables.
-// e.g., '[[name]]'.
-func lexTableStart(lx *lexer) stateFn {
-	if lx.peek() == arrayTableStart {
-		lx.next()
-		lx.emit(itemArrayTableStart)
-		lx.push(lexArrayTableEnd)
-	} else {
-		lx.emit(itemTableStart)
-		lx.push(lexTableEnd)
-	}
-	return lexTableNameStart
-}
-
-func lexTableEnd(lx *lexer) stateFn {
-	lx.emit(itemTableEnd)
-	return lexTopEnd
-}
-
-func lexArrayTableEnd(lx *lexer) stateFn {
-	if r := lx.next(); r != arrayTableEnd {
-		return lx.errorf("expected end of table array name delimiter %q, "+
-			"but got %q instead", arrayTableEnd, r)
-	}
-	lx.emit(itemArrayTableEnd)
-	return lexTopEnd
-}
-
-func lexTableNameStart(lx *lexer) stateFn {
-	lx.skip(isWhitespace)
-	switch r := lx.peek(); {
-	case r == tableEnd || r == eof:
-		return lx.errorf("unexpected end of table name " +
-			"(table names cannot be empty)")
-	case r == tableSep:
-		return lx.errorf("unexpected table separator " +
-			"(table names cannot be empty)")
-	case r == stringStart || r == rawStringStart:
-		lx.ignore()
-		lx.push(lexTableNameEnd)
-		return lexValue // reuse string lexing
-	default:
-		return lexBareTableName
-	}
-}
-
-// lexBareTableName lexes the name of a table. It assumes that at least one
-// valid character for the table has already been read.
-func lexBareTableName(lx *lexer) stateFn {
-	r := lx.next()
-	if isBareKeyChar(r) {
-		return lexBareTableName
-	}
-	lx.backup()
-	lx.emit(itemText)
-	return lexTableNameEnd
-}
-
-// lexTableNameEnd reads the end of a piece of a table name, optionally
-// consuming whitespace.
-func lexTableNameEnd(lx *lexer) stateFn {
-	lx.skip(isWhitespace)
-	switch r := lx.next(); {
-	case isWhitespace(r):
-		return lexTableNameEnd
-	case r == tableSep:
-		lx.ignore()
-		return lexTableNameStart
-	case r == tableEnd:
-		return lx.pop()
-	default:
-		return lx.errorf("expected '.' or ']' to end table name, "+
-			"but got %q instead", r)
-	}
-}
-
-// lexKeyStart consumes a key name up until the first non-whitespace character.
-// lexKeyStart will ignore whitespace.
-func lexKeyStart(lx *lexer) stateFn {
-	r := lx.peek()
-	switch {
-	case r == keySep:
-		return lx.errorf("unexpected key separator %q", keySep)
-	case isWhitespace(r) || isNL(r):
-		lx.next()
-		return lexSkip(lx, lexKeyStart)
-	case r == stringStart || r == rawStringStart:
-		lx.ignore()
-		lx.emit(itemKeyStart)
-		lx.push(lexKeyEnd)
-		return lexValue // reuse string lexing
-	default:
-		lx.ignore()
-		lx.emit(itemKeyStart)
-		return lexBareKey
-	}
-}
-
-// lexBareKey consumes the text of a bare key. Assumes that the first character
-// (which is not whitespace) has not yet been consumed.
-func lexBareKey(lx *lexer) stateFn {
-	switch r := lx.next(); {
-	case isBareKeyChar(r):
-		return lexBareKey
-	case isWhitespace(r):
-		lx.backup()
-		lx.emit(itemText)
-		return lexKeyEnd
-	case r == keySep:
-		lx.backup()
-		lx.emit(itemText)
-		return lexKeyEnd
-	default:
-		return lx.errorf("bare keys cannot contain %q", r)
-	}
-}
-
-// lexKeyEnd consumes the end of a key and trims whitespace (up to the key
-// separator).
-func lexKeyEnd(lx *lexer) stateFn {
-	switch r := lx.next(); {
-	case r == keySep:
-		return lexSkip(lx, lexValue)
-	case isWhitespace(r):
-		return lexSkip(lx, lexKeyEnd)
-	default:
-		return lx.errorf("expected key separator %q, but got %q instead",
-			keySep, r)
-	}
-}
-
-// lexValue starts the consumption of a value anywhere a value is expected.
-// lexValue will ignore whitespace.
-// After a value is lexed, the last state on the next is popped and returned.
-func lexValue(lx *lexer) stateFn {
-	// We allow whitespace to precede a value, but NOT newlines.
-	// In array syntax, the array states are responsible for ignoring newlines.
-	r := lx.next()
-	switch {
-	case isWhitespace(r):
-		return lexSkip(lx, lexValue)
-	case isDigit(r):
-		lx.backup() // avoid an extra state and use the same as above
-		return lexNumberOrDateStart
-	}
-	switch r {
-	case arrayStart:
-		lx.ignore()
-		lx.emit(itemArray)
-		return lexArrayValue
-	case inlineTableStart:
-		lx.ignore()
-		lx.emit(itemInlineTableStart)
-		return lexInlineTableValue
-	case stringStart:
-		if lx.accept(stringStart) {
-			if lx.accept(stringStart) {
-				lx.ignore() // Ignore """
-				return lexMultilineString
-			}
-			lx.backup()
-		}
-		lx.ignore() // ignore the '"'
-		return lexString
-	case rawStringStart:
-		if lx.accept(rawStringStart) {
-			if lx.accept(rawStringStart) {
-				lx.ignore() // Ignore """
-				return lexMultilineRawString
-			}
-			lx.backup()
-		}
-		lx.ignore() // ignore the "'"
-		return lexRawString
-	case '+', '-':
-		return lexNumberStart
-	case '.': // special error case, be kind to users
-		return lx.errorf("floats must start with a digit, not '.'")
-	}
-	if unicode.IsLetter(r) {
-		// Be permissive here; lexBool will give a nice error if the
-		// user wrote something like
-		//   x = foo
-		// (i.e. not 'true' or 'false' but is something else word-like.)
-		lx.backup()
-		return lexBool
-	}
-	return lx.errorf("expected value but found %q instead", r)
-}
-
-// lexArrayValue consumes one value in an array. It assumes that '[' or ','
-// have already been consumed. All whitespace and newlines are ignored.
-func lexArrayValue(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case isWhitespace(r) || isNL(r):
-		return lexSkip(lx, lexArrayValue)
-	case r == commentStart:
-		lx.push(lexArrayValue)
-		return lexCommentStart
-	case r == comma:
-		return lx.errorf("unexpected comma")
-	case r == arrayEnd:
-		// NOTE(caleb): The spec isn't clear about whether you can have
-		// a trailing comma or not, so we'll allow it.
-		return lexArrayEnd
-	}
-
-	lx.backup()
-	lx.push(lexArrayValueEnd)
-	return lexValue
-}
-
-// lexArrayValueEnd consumes everything between the end of an array value and
-// the next value (or the end of the array): it ignores whitespace and newlines
-// and expects either a ',' or a ']'.
-func lexArrayValueEnd(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case isWhitespace(r) || isNL(r):
-		return lexSkip(lx, lexArrayValueEnd)
-	case r == commentStart:
-		lx.push(lexArrayValueEnd)
-		return lexCommentStart
-	case r == comma:
-		lx.ignore()
-		return lexArrayValue // move on to the next value
-	case r == arrayEnd:
-		return lexArrayEnd
-	}
-	return lx.errorf(
-		"expected a comma or array terminator %q, but got %q instead",
-		arrayEnd, r,
-	)
-}
-
-// lexArrayEnd finishes the lexing of an array.
-// It assumes that a ']' has just been consumed.
-func lexArrayEnd(lx *lexer) stateFn {
-	lx.ignore()
-	lx.emit(itemArrayEnd)
-	return lx.pop()
-}
-
-// lexInlineTableValue consumes one key/value pair in an inline table.
-// It assumes that '{' or ',' have already been consumed. Whitespace is ignored.
-func lexInlineTableValue(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case isWhitespace(r):
-		return lexSkip(lx, lexInlineTableValue)
-	case isNL(r):
-		return lx.errorf("newlines not allowed within inline tables")
-	case r == commentStart:
-		lx.push(lexInlineTableValue)
-		return lexCommentStart
-	case r == comma:
-		return lx.errorf("unexpected comma")
-	case r == inlineTableEnd:
-		return lexInlineTableEnd
-	}
-	lx.backup()
-	lx.push(lexInlineTableValueEnd)
-	return lexKeyStart
-}
-
-// lexInlineTableValueEnd consumes everything between the end of an inline table
-// key/value pair and the next pair (or the end of the table):
-// it ignores whitespace and expects either a ',' or a '}'.
-func lexInlineTableValueEnd(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case isWhitespace(r):
-		return lexSkip(lx, lexInlineTableValueEnd)
-	case isNL(r):
-		return lx.errorf("newlines not allowed within inline tables")
-	case r == commentStart:
-		lx.push(lexInlineTableValueEnd)
-		return lexCommentStart
-	case r == comma:
-		lx.ignore()
-		return lexInlineTableValue
-	case r == inlineTableEnd:
-		return lexInlineTableEnd
-	}
-	return lx.errorf("expected a comma or an inline table terminator %q, "+
-		"but got %q instead", inlineTableEnd, r)
-}
-
-// lexInlineTableEnd finishes the lexing of an inline table.
-// It assumes that a '}' has just been consumed.
-func lexInlineTableEnd(lx *lexer) stateFn {
-	lx.ignore()
-	lx.emit(itemInlineTableEnd)
-	return lx.pop()
-}
-
-// lexString consumes the inner contents of a string. It assumes that the
-// beginning '"' has already been consumed and ignored.
-func lexString(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case r == eof:
-		return lx.errorf("unexpected EOF")
-	case isNL(r):
-		return lx.errorf("strings cannot contain newlines")
-	case r == '\\':
-		lx.push(lexString)
-		return lexStringEscape
-	case r == stringEnd:
-		lx.backup()
-		lx.emit(itemString)
-		lx.next()
-		lx.ignore()
-		return lx.pop()
-	}
-	return lexString
-}
-
-// lexMultilineString consumes the inner contents of a string. It assumes that
-// the beginning '"""' has already been consumed and ignored.
-func lexMultilineString(lx *lexer) stateFn {
-	switch lx.next() {
-	case eof:
-		return lx.errorf("unexpected EOF")
-	case '\\':
-		return lexMultilineStringEscape
-	case stringEnd:
-		if lx.accept(stringEnd) {
-			if lx.accept(stringEnd) {
-				lx.backup()
-				lx.backup()
-				lx.backup()
-				lx.emit(itemMultilineString)
-				lx.next()
-				lx.next()
-				lx.next()
-				lx.ignore()
-				return lx.pop()
-			}
-			lx.backup()
-		}
-	}
-	return lexMultilineString
-}
-
-// lexRawString consumes a raw string. Nothing can be escaped in such a string.
-// It assumes that the beginning "'" has already been consumed and ignored.
-func lexRawString(lx *lexer) stateFn {
-	r := lx.next()
-	switch {
-	case r == eof:
-		return lx.errorf("unexpected EOF")
-	case isNL(r):
-		return lx.errorf("strings cannot contain newlines")
-	case r == rawStringEnd:
-		lx.backup()
-		lx.emit(itemRawString)
-		lx.next()
-		lx.ignore()
-		return lx.pop()
-	}
-	return lexRawString
-}
-
-// lexMultilineRawString consumes a raw string. Nothing can be escaped in such
-// a string. It assumes that the beginning "”'" has already been consumed and
-// ignored.
-func lexMultilineRawString(lx *lexer) stateFn {
-	switch lx.next() {
-	case eof:
-		return lx.errorf("unexpected EOF")
-	case rawStringEnd:
-		if lx.accept(rawStringEnd) {
-			if lx.accept(rawStringEnd) {
-				lx.backup()
-				lx.backup()
-				lx.backup()
-				lx.emit(itemRawMultilineString)
-				lx.next()
-				lx.next()
-				lx.next()
-				lx.ignore()
-				return lx.pop()
-			}
-			lx.backup()
-		}
-	}
-	return lexMultilineRawString
-}
-
-// lexMultilineStringEscape consumes an escaped character. It assumes that the
-// preceding '\\' has already been consumed.
-func lexMultilineStringEscape(lx *lexer) stateFn {
-	// Handle the special case first:
-	if isNL(lx.next()) {
-		return lexMultilineString
-	}
-	lx.backup()
-	lx.push(lexMultilineString)
-	return lexStringEscape(lx)
-}
-
-func lexStringEscape(lx *lexer) stateFn {
-	r := lx.next()
-	switch r {
-	case 'b':
-		fallthrough
-	case 't':
-		fallthrough
-	case 'n':
-		fallthrough
-	case 'f':
-		fallthrough
-	case 'r':
-		fallthrough
-	case '"':
-		fallthrough
-	case '\\':
-		return lx.pop()
-	case 'u':
-		return lexShortUnicodeEscape
-	case 'U':
-		return lexLongUnicodeEscape
-	}
-	return lx.errorf("invalid escape character %q; only the following "+
-		"escape characters are allowed: "+
-		`\b, \t, \n, \f, \r, \", \\, \uXXXX, and \UXXXXXXXX`, r)
-}
-
-func lexShortUnicodeEscape(lx *lexer) stateFn {
-	var r rune
-	for i := 0; i < 4; i++ {
-		r = lx.next()
-		if !isHexadecimal(r) {
-			return lx.errorf(`expected four hexadecimal digits after '\u', `+
-				"but got %q instead", lx.current())
-		}
-	}
-	return lx.pop()
-}
-
-func lexLongUnicodeEscape(lx *lexer) stateFn {
-	var r rune
-	for i := 0; i < 8; i++ {
-		r = lx.next()
-		if !isHexadecimal(r) {
-			return lx.errorf(`expected eight hexadecimal digits after '\U', `+
-				"but got %q instead", lx.current())
-		}
-	}
-	return lx.pop()
-}
-
-// lexNumberOrDateStart consumes either an integer, a float, or datetime.
-func lexNumberOrDateStart(lx *lexer) stateFn {
-	r := lx.next()
-	if isDigit(r) {
-		return lexNumberOrDate
-	}
-	switch r {
-	case '_':
-		return lexNumber
-	case 'e', 'E':
-		return lexFloat
-	case '.':
-		return lx.errorf("floats must start with a digit, not '.'")
-	}
-	return lx.errorf("expected a digit but got %q", r)
-}
-
-// lexNumberOrDate consumes either an integer, float or datetime.
-func lexNumberOrDate(lx *lexer) stateFn {
-	r := lx.next()
-	if isDigit(r) {
-		return lexNumberOrDate
-	}
-	switch r {
-	case '-':
-		return lexDatetime
-	case '_':
-		return lexNumber
-	case '.', 'e', 'E':
-		return lexFloat
-	}
-
-	lx.backup()
-	lx.emit(itemInteger)
-	return lx.pop()
-}
-
-// lexDatetime consumes a Datetime, to a first approximation.
-// The parser validates that it matches one of the accepted formats.
-func lexDatetime(lx *lexer) stateFn {
-	r := lx.next()
-	if isDigit(r) {
-		return lexDatetime
-	}
-	switch r {
-	case '-', 'T', ':', '.', 'Z', '+':
-		return lexDatetime
-	}
-
-	lx.backup()
-	lx.emit(itemDatetime)
-	return lx.pop()
-}
-
-// lexNumberStart consumes either an integer or a float. It assumes that a sign
-// has already been read, but that *no* digits have been consumed.
-// lexNumberStart will move to the appropriate integer or float states.
-func lexNumberStart(lx *lexer) stateFn {
-	// We MUST see a digit. Even floats have to start with a digit.
-	r := lx.next()
-	if !isDigit(r) {
-		if r == '.' {
-			return lx.errorf("floats must start with a digit, not '.'")
-		}
-		return lx.errorf("expected a digit but got %q", r)
-	}
-	return lexNumber
-}
-
-// lexNumber consumes an integer or a float after seeing the first digit.
-func lexNumber(lx *lexer) stateFn {
-	r := lx.next()
-	if isDigit(r) {
-		return lexNumber
-	}
-	switch r {
-	case '_':
-		return lexNumber
-	case '.', 'e', 'E':
-		return lexFloat
-	}
-
-	lx.backup()
-	lx.emit(itemInteger)
-	return lx.pop()
-}
-
-// lexFloat consumes the elements of a float. It allows any sequence of
-// float-like characters, so floats emitted by the lexer are only a first
-// approximation and must be validated by the parser.
-func lexFloat(lx *lexer) stateFn {
-	r := lx.next()
-	if isDigit(r) {
-		return lexFloat
-	}
-	switch r {
-	case '_', '.', '-', '+', 'e', 'E':
-		return lexFloat
-	}
-
-	lx.backup()
-	lx.emit(itemFloat)
-	return lx.pop()
-}
-
-// lexBool consumes a bool string: 'true' or 'false.
-func lexBool(lx *lexer) stateFn {
-	var rs []rune
-	for {
-		r := lx.next()
-		if !unicode.IsLetter(r) {
-			lx.backup()
-			break
-		}
-		rs = append(rs, r)
-	}
-	s := string(rs)
-	switch s {
-	case "true", "false":
-		lx.emit(itemBool)
-		return lx.pop()
-	}
-	return lx.errorf("expected value but found %q instead", s)
-}
-
-// lexCommentStart begins the lexing of a comment. It will emit
-// itemCommentStart and consume no characters, passing control to lexComment.
-func lexCommentStart(lx *lexer) stateFn {
-	lx.ignore()
-	lx.emit(itemCommentStart)
-	return lexComment
-}
-
-// lexComment lexes an entire comment. It assumes that '#' has been consumed.
-// It will consume *up to* the first newline character, and pass control
-// back to the last state on the stack.
-func lexComment(lx *lexer) stateFn {
-	r := lx.peek()
-	if isNL(r) || r == eof {
-		lx.emit(itemText)
-		return lx.pop()
-	}
-	lx.next()
-	return lexComment
-}
-
-// lexSkip ignores all slurped input and moves on to the next state.
-func lexSkip(lx *lexer, nextState stateFn) stateFn {
-	return func(lx *lexer) stateFn {
-		lx.ignore()
-		return nextState
-	}
-}
-
-// isWhitespace returns true if `r` is a whitespace character according
-// to the spec.
-func isWhitespace(r rune) bool {
-	return r == '\t' || r == ' '
-}
-
-func isNL(r rune) bool {
-	return r == '\n' || r == '\r'
-}
-
-func isDigit(r rune) bool {
-	return r >= '0' && r <= '9'
-}
-
-func isHexadecimal(r rune) bool {
-	return (r >= '0' && r <= '9') ||
-		(r >= 'a' && r <= 'f') ||
-		(r >= 'A' && r <= 'F')
-}
-
-func isBareKeyChar(r rune) bool {
-	return (r >= 'A' && r <= 'Z') ||
-		(r >= 'a' && r <= 'z') ||
-		(r >= '0' && r <= '9') ||
-		r == '_' ||
-		r == '-'
-}
-
-func (itype itemType) String() string {
-	switch itype {
-	case itemError:
-		return "Error"
-	case itemNIL:
-		return "NIL"
-	case itemEOF:
-		return "EOF"
-	case itemText:
-		return "Text"
-	case itemString, itemRawString, itemMultilineString, itemRawMultilineString:
-		return "String"
-	case itemBool:
-		return "Bool"
-	case itemInteger:
-		return "Integer"
-	case itemFloat:
-		return "Float"
-	case itemDatetime:
-		return "DateTime"
-	case itemTableStart:
-		return "TableStart"
-	case itemTableEnd:
-		return "TableEnd"
-	case itemKeyStart:
-		return "KeyStart"
-	case itemArray:
-		return "Array"
-	case itemArrayEnd:
-		return "ArrayEnd"
-	case itemCommentStart:
-		return "CommentStart"
-	}
-	panic(fmt.Sprintf("BUG: Unknown type '%d'.", int(itype)))
-}
-
-func (item item) String() string {
-	return fmt.Sprintf("(%s, %s)", item.typ.String(), item.val)
-}

v2/vendored/toml/parse.go

@@ -1,592 +0,0 @@
-package toml
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-	"time"
-	"unicode"
-	"unicode/utf8"
-)
-
-type parser struct {
-	mapping map[string]interface{}
-	types   map[string]tomlType
-	lx      *lexer
-
-	// A list of keys in the order that they appear in the TOML data.
-	ordered []Key
-
-	// the full key for the current hash in scope
-	context Key
-
-	// the base key name for everything except hashes
-	currentKey string
-
-	// rough approximation of line number
-	approxLine int
-
-	// A map of 'key.group.names' to whether they were created implicitly.
-	implicits map[string]bool
-}
-
-type parseError string
-
-func (pe parseError) Error() string {
-	return string(pe)
-}
-
-func parse(data string) (p *parser, err error) {
-	defer func() {
-		if r := recover(); r != nil {
-			var ok bool
-			if err, ok = r.(parseError); ok {
-				return
-			}
-			panic(r)
-		}
-	}()
-
-	p = &parser{
-		mapping:   make(map[string]interface{}),
-		types:     make(map[string]tomlType),
-		lx:        lex(data),
-		ordered:   make([]Key, 0),
-		implicits: make(map[string]bool),
-	}
-	for {
-		item := p.next()
-		if item.typ == itemEOF {
-			break
-		}
-		p.topLevel(item)
-	}
-
-	return p, nil
-}
-
-func (p *parser) panicf(format string, v ...interface{}) {
-	msg := fmt.Sprintf("Near line %d (last key parsed '%s'): %s",
-		p.approxLine, p.current(), fmt.Sprintf(format, v...))
-	panic(parseError(msg))
-}
-
-func (p *parser) next() item {
-	it := p.lx.nextItem()
-	if it.typ == itemError {
-		p.panicf("%s", it.val)
-	}
-	return it
-}
-
-func (p *parser) bug(format string, v ...interface{}) {
-	panic(fmt.Sprintf("BUG: "+format+"\n\n", v...))
-}
-
-func (p *parser) expect(typ itemType) item {
-	it := p.next()
-	p.assertEqual(typ, it.typ)
-	return it
-}
-
-func (p *parser) assertEqual(expected, got itemType) {
-	if expected != got {
-		p.bug("Expected '%s' but got '%s'.", expected, got)
-	}
-}
-
-func (p *parser) topLevel(item item) {
-	switch item.typ {
-	case itemCommentStart:
-		p.approxLine = item.line
-		p.expect(itemText)
-	case itemTableStart:
-		kg := p.next()
-		p.approxLine = kg.line
-
-		var key Key
-		for ; kg.typ != itemTableEnd && kg.typ != itemEOF; kg = p.next() {
-			key = append(key, p.keyString(kg))
-		}
-		p.assertEqual(itemTableEnd, kg.typ)
-
-		p.establishContext(key, false)
-		p.setType("", tomlHash)
-		p.ordered = append(p.ordered, key)
-	case itemArrayTableStart:
-		kg := p.next()
-		p.approxLine = kg.line
-
-		var key Key
-		for ; kg.typ != itemArrayTableEnd && kg.typ != itemEOF; kg = p.next() {
-			key = append(key, p.keyString(kg))
-		}
-		p.assertEqual(itemArrayTableEnd, kg.typ)
-
-		p.establishContext(key, true)
-		p.setType("", tomlArrayHash)
-		p.ordered = append(p.ordered, key)
-	case itemKeyStart:
-		kname := p.next()
-		p.approxLine = kname.line
-		p.currentKey = p.keyString(kname)
-
-		val, typ := p.value(p.next())
-		p.setValue(p.currentKey, val)
-		p.setType(p.currentKey, typ)
-		p.ordered = append(p.ordered, p.context.add(p.currentKey))
-		p.currentKey = ""
-	default:
-		p.bug("Unexpected type at top level: %s", item.typ)
-	}
-}
-
-// Gets a string for a key (or part of a key in a table name).
-func (p *parser) keyString(it item) string {
-	switch it.typ {
-	case itemText:
-		return it.val
-	case itemString, itemMultilineString,
-		itemRawString, itemRawMultilineString:
-		s, _ := p.value(it)
-		return s.(string)
-	default:
-		p.bug("Unexpected key type: %s", it.typ)
-		panic("unreachable")
-	}
-}
-
-// value translates an expected value from the lexer into a Go value wrapped
-// as an empty interface.
-func (p *parser) value(it item) (interface{}, tomlType) {
-	switch it.typ {
-	case itemString:
-		return p.replaceEscapes(it.val), p.typeOfPrimitive(it)
-	case itemMultilineString:
-		trimmed := stripFirstNewline(stripEscapedWhitespace(it.val))
-		return p.replaceEscapes(trimmed), p.typeOfPrimitive(it)
-	case itemRawString:
-		return it.val, p.typeOfPrimitive(it)
-	case itemRawMultilineString:
-		return stripFirstNewline(it.val), p.typeOfPrimitive(it)
-	case itemBool:
-		switch it.val {
-		case "true":
-			return true, p.typeOfPrimitive(it)
-		case "false":
-			return false, p.typeOfPrimitive(it)
-		}
-		p.bug("Expected boolean value, but got '%s'.", it.val)
-	case itemInteger:
-		if !numUnderscoresOK(it.val) {
-			p.panicf("Invalid integer %q: underscores must be surrounded by digits",
-				it.val)
-		}
-		val := strings.Replace(it.val, "_", "", -1)
-		num, err := strconv.ParseInt(val, 10, 64)
-		if err != nil {
-			// Distinguish integer values. Normally, it'd be a bug if the lexer
-			// provides an invalid integer, but it's possible that the number is
-			// out of range of valid values (which the lexer cannot determine).
-			// So mark the former as a bug but the latter as a legitimate user
-			// error.
-			if e, ok := err.(*strconv.NumError); ok &&
-				e.Err == strconv.ErrRange {
-
-				p.panicf("Integer '%s' is out of the range of 64-bit "+
-					"signed integers.", it.val)
-			} else {
-				p.bug("Expected integer value, but got '%s'.", it.val)
-			}
-		}
-		return num, p.typeOfPrimitive(it)
-	case itemFloat:
-		parts := strings.FieldsFunc(it.val, func(r rune) bool {
-			switch r {
-			case '.', 'e', 'E':
-				return true
-			}
-			return false
-		})
-		for _, part := range parts {
-			if !numUnderscoresOK(part) {
-				p.panicf("Invalid float %q: underscores must be "+
-					"surrounded by digits", it.val)
-			}
-		}
-		if !numPeriodsOK(it.val) {
-			// As a special case, numbers like '123.' or '1.e2',
-			// which are valid as far as Go/strconv are concerned,
-			// must be rejected because TOML says that a fractional
-			// part consists of '.' followed by 1+ digits.
-			p.panicf("Invalid float %q: '.' must be followed "+
-				"by one or more digits", it.val)
-		}
-		val := strings.Replace(it.val, "_", "", -1)
-		num, err := strconv.ParseFloat(val, 64)
-		if err != nil {
-			if e, ok := err.(*strconv.NumError); ok &&
-				e.Err == strconv.ErrRange {
-
-				p.panicf("Float '%s' is out of the range of 64-bit "+
-					"IEEE-754 floating-point numbers.", it.val)
-			} else {
-				p.panicf("Invalid float value: %q", it.val)
-			}
-		}
-		return num, p.typeOfPrimitive(it)
-	case itemDatetime:
-		var t time.Time
-		var ok bool
-		var err error
-		for _, format := range []string{
-			"2006-01-02T15:04:05Z07:00",
-			"2006-01-02T15:04:05",
-			"2006-01-02",
-		} {
-			t, err = time.ParseInLocation(format, it.val, time.Local)
-			if err == nil {
-				ok = true
-				break
-			}
-		}
-		if !ok {
-			p.panicf("Invalid TOML Datetime: %q.", it.val)
-		}
-		return t, p.typeOfPrimitive(it)
-	case itemArray:
-		array := make([]interface{}, 0)
-		types := make([]tomlType, 0)
-
-		for it = p.next(); it.typ != itemArrayEnd; it = p.next() {
-			if it.typ == itemCommentStart {
-				p.expect(itemText)
-				continue
-			}
-
-			val, typ := p.value(it)
-			array = append(array, val)
-			types = append(types, typ)
-		}
-		return array, p.typeOfArray(types)
-	case itemInlineTableStart:
-		var (
-			hash         = make(map[string]interface{})
-			outerContext = p.context
-			outerKey     = p.currentKey
-		)
-
-		p.context = append(p.context, p.currentKey)
-		p.currentKey = ""
-		for it := p.next(); it.typ != itemInlineTableEnd; it = p.next() {
-			if it.typ != itemKeyStart {
-				p.bug("Expected key start but instead found %q, around line %d",
-					it.val, p.approxLine)
-			}
-			if it.typ == itemCommentStart {
-				p.expect(itemText)
-				continue
-			}
-
-			// retrieve key
-			k := p.next()
-			p.approxLine = k.line
-			kname := p.keyString(k)
-
-			// retrieve value
-			p.currentKey = kname
-			val, typ := p.value(p.next())
-			// make sure we keep metadata up to date
-			p.setType(kname, typ)
-			p.ordered = append(p.ordered, p.context.add(p.currentKey))
-			hash[kname] = val
-		}
-		p.context = outerContext
-		p.currentKey = outerKey
-		return hash, tomlHash
-	}
-	p.bug("Unexpected value type: %s", it.typ)
-	panic("unreachable")
-}
-
-// numUnderscoresOK checks whether each underscore in s is surrounded by
-// characters that are not underscores.
-func numUnderscoresOK(s string) bool {
-	accept := false
-	for _, r := range s {
-		if r == '_' {
-			if !accept {
-				return false
-			}
-			accept = false
-			continue
-		}
-		accept = true
-	}
-	return accept
-}
-
-// numPeriodsOK checks whether every period in s is followed by a digit.
-func numPeriodsOK(s string) bool {
-	period := false
-	for _, r := range s {
-		if period && !isDigit(r) {
-			return false
-		}
-		period = r == '.'
-	}
-	return !period
-}
-
-// establishContext sets the current context of the parser,
-// where the context is either a hash or an array of hashes. Which one is
-// set depends on the value of the `array` parameter.
-//
-// Establishing the context also makes sure that the key isn't a duplicate, and
-// will create implicit hashes automatically.
-func (p *parser) establishContext(key Key, array bool) {
-	var ok bool
-
-	// Always start at the top level and drill down for our context.
-	hashContext := p.mapping
-	keyContext := make(Key, 0)
-
-	// We only need implicit hashes for key[0:-1]
-	for _, k := range key[0 : len(key)-1] {
-		_, ok = hashContext[k]
-		keyContext = append(keyContext, k)
-
-		// No key? Make an implicit hash and move on.
-		if !ok {
-			p.addImplicit(keyContext)
-			hashContext[k] = make(map[string]interface{})
-		}
-
-		// If the hash context is actually an array of tables, then set
-		// the hash context to the last element in that array.
-		//
-		// Otherwise, it better be a table, since this MUST be a key group (by
-		// virtue of it not being the last element in a key).
-		switch t := hashContext[k].(type) {
-		case []map[string]interface{}:
-			hashContext = t[len(t)-1]
-		case map[string]interface{}:
-			hashContext = t
-		default:
-			p.panicf("Key '%s' was already created as a hash.", keyContext)
-		}
-	}
-
-	p.context = keyContext
-	if array {
-		// If this is the first element for this array, then allocate a new
-		// list of tables for it.
-		k := key[len(key)-1]
-		if _, ok := hashContext[k]; !ok {
-			hashContext[k] = make([]map[string]interface{}, 0, 5)
-		}
-
-		// Add a new table. But make sure the key hasn't already been used
-		// for something else.
-		if hash, ok := hashContext[k].([]map[string]interface{}); ok {
-			hashContext[k] = append(hash, make(map[string]interface{}))
-		} else {
-			p.panicf("Key '%s' was already created and cannot be used as "+
-				"an array.", keyContext)
-		}
-	} else {
-		p.setValue(key[len(key)-1], make(map[string]interface{}))
-	}
-	p.context = append(p.context, key[len(key)-1])
-}
-
-// setValue sets the given key to the given value in the current context.
-// It will make sure that the key hasn't already been defined, account for
-// implicit key groups.
-func (p *parser) setValue(key string, value interface{}) {
-	var tmpHash interface{}
-	var ok bool
-
-	hash := p.mapping
-	keyContext := make(Key, 0)
-	for _, k := range p.context {
-		keyContext = append(keyContext, k)
-		if tmpHash, ok = hash[k]; !ok {
-			p.bug("Context for key '%s' has not been established.", keyContext)
-		}
-		switch t := tmpHash.(type) {
-		case []map[string]interface{}:
-			// The context is a table of hashes. Pick the most recent table
-			// defined as the current hash.
-			hash = t[len(t)-1]
-		case map[string]interface{}:
-			hash = t
-		default:
-			p.bug("Expected hash to have type 'map[string]interface{}', but "+
-				"it has '%T' instead.", tmpHash)
-		}
-	}
-	keyContext = append(keyContext, key)
-
-	if _, ok := hash[key]; ok {
-		// Typically, if the given key has already been set, then we have
-		// to raise an error since duplicate keys are disallowed. However,
-		// it's possible that a key was previously defined implicitly. In this
-		// case, it is allowed to be redefined concretely. (See the
-		// `tests/valid/implicit-and-explicit-after.toml` test in `toml-test`.)
-		//
-		// But we have to make sure to stop marking it as an implicit. (So that
-		// another redefinition provokes an error.)
-		//
-		// Note that since it has already been defined (as a hash), we don't
-		// want to overwrite it. So our business is done.
-		if p.isImplicit(keyContext) {
-			p.removeImplicit(keyContext)
-			return
-		}
-
-		// Otherwise, we have a concrete key trying to override a previous
-		// key, which is *always* wrong.
-		p.panicf("Key '%s' has already been defined.", keyContext)
-	}
-	hash[key] = value
-}
-
-// setType sets the type of a particular value at a given key.
-// It should be called immediately AFTER setValue.
-//
-// Note that if `key` is empty, then the type given will be applied to the
-// current context (which is either a table or an array of tables).
-func (p *parser) setType(key string, typ tomlType) {
-	keyContext := make(Key, 0, len(p.context)+1)
-	for _, k := range p.context {
-		keyContext = append(keyContext, k)
-	}
-	if len(key) > 0 { // allow type setting for hashes
-		keyContext = append(keyContext, key)
-	}
-	p.types[keyContext.String()] = typ
-}
-
-// addImplicit sets the given Key as having been created implicitly.
-func (p *parser) addImplicit(key Key) {
-	p.implicits[key.String()] = true
-}
-
-// removeImplicit stops tagging the given key as having been implicitly
-// created.
-func (p *parser) removeImplicit(key Key) {
-	p.implicits[key.String()] = false
-}
-
-// isImplicit returns true if the key group pointed to by the key was created
-// implicitly.
-func (p *parser) isImplicit(key Key) bool {
-	return p.implicits[key.String()]
-}
-
-// current returns the full key name of the current context.
-func (p *parser) current() string {
-	if len(p.currentKey) == 0 {
-		return p.context.String()
-	}
-	if len(p.context) == 0 {
-		return p.currentKey
-	}
-	return fmt.Sprintf("%s.%s", p.context, p.currentKey)
-}
-
-func stripFirstNewline(s string) string {
-	if len(s) == 0 || s[0] != '\n' {
-		return s
-	}
-	return s[1:]
-}
-
-func stripEscapedWhitespace(s string) string {
-	esc := strings.Split(s, "\\\n")
-	if len(esc) > 1 {
-		for i := 1; i < len(esc); i++ {
-			esc[i] = strings.TrimLeftFunc(esc[i], unicode.IsSpace)
-		}
-	}
-	return strings.Join(esc, "")
-}
-
-func (p *parser) replaceEscapes(str string) string {
-	var replaced []rune
-	s := []byte(str)
-	r := 0
-	for r < len(s) {
-		if s[r] != '\\' {
-			c, size := utf8.DecodeRune(s[r:])
-			r += size
-			replaced = append(replaced, c)
-			continue
-		}
-		r += 1
-		if r >= len(s) {
-			p.bug("Escape sequence at end of string.")
-			return ""
-		}
-		switch s[r] {
-		default:
-			p.bug("Expected valid escape code after \\, but got %q.", s[r])
-			return ""
-		case 'b':
-			replaced = append(replaced, rune(0x0008))
-			r += 1
-		case 't':
-			replaced = append(replaced, rune(0x0009))
-			r += 1
-		case 'n':
-			replaced = append(replaced, rune(0x000A))
-			r += 1
-		case 'f':
-			replaced = append(replaced, rune(0x000C))
-			r += 1
-		case 'r':
-			replaced = append(replaced, rune(0x000D))
-			r += 1
-		case '"':
-			replaced = append(replaced, rune(0x0022))
-			r += 1
-		case '\\':
-			replaced = append(replaced, rune(0x005C))
-			r += 1
-		case 'u':
-			// At this point, we know we have a Unicode escape of the form
-			// `uXXXX` at [r, r+5). (Because the lexer guarantees this
-			// for us.)
-			escaped := p.asciiEscapeToUnicode(s[r+1 : r+5])
-			replaced = append(replaced, escaped)
-			r += 5
-		case 'U':
-			// At this point, we know we have a Unicode escape of the form
-			// `uXXXX` at [r, r+9). (Because the lexer guarantees this
-			// for us.)
-			escaped := p.asciiEscapeToUnicode(s[r+1 : r+9])
-			replaced = append(replaced, escaped)
-			r += 9
-		}
-	}
-	return string(replaced)
-}
-
-func (p *parser) asciiEscapeToUnicode(bs []byte) rune {
-	s := string(bs)
-	hex, err := strconv.ParseUint(strings.ToLower(s), 16, 32)
-	if err != nil {
-		p.bug("Could not parse '%s' as a hexadecimal number, but the "+
-			"lexer claims it's OK: %s", s, err)
-	}
-	if !utf8.ValidRune(rune(hex)) {
-		p.panicf("Escaped character '\\u%s' is not valid UTF-8.", s)
-	}
-	return rune(hex)
-}
-
-func isStringType(ty itemType) bool {
-	return ty == itemString || ty == itemMultilineString ||
-		ty == itemRawString || ty == itemRawMultilineString
-}

v2/vendored/toml/session.vim

@@ -1 +0,0 @@
-au BufWritePost *.go silent!make tags > /dev/null 2>&1

v2/vendored/toml/type_check.go

@@ -1,91 +0,0 @@
-package toml
-
-// tomlType represents any Go type that corresponds to a TOML type.
-// While the first draft of the TOML spec has a simplistic type system that
-// probably doesn't need this level of sophistication, we seem to be militating
-// toward adding real composite types.
-type tomlType interface {
-	typeString() string
-}
-
-// typeEqual accepts any two types and returns true if they are equal.
-func typeEqual(t1, t2 tomlType) bool {
-	if t1 == nil || t2 == nil {
-		return false
-	}
-	return t1.typeString() == t2.typeString()
-}
-
-func typeIsHash(t tomlType) bool {
-	return typeEqual(t, tomlHash) || typeEqual(t, tomlArrayHash)
-}
-
-type tomlBaseType string
-
-func (btype tomlBaseType) typeString() string {
-	return string(btype)
-}
-
-func (btype tomlBaseType) String() string {
-	return btype.typeString()
-}
-
-var (
-	tomlInteger   tomlBaseType = "Integer"
-	tomlFloat     tomlBaseType = "Float"
-	tomlDatetime  tomlBaseType = "Datetime"
-	tomlString    tomlBaseType = "String"
-	tomlBool      tomlBaseType = "Bool"
-	tomlArray     tomlBaseType = "Array"
-	tomlHash      tomlBaseType = "Hash"
-	tomlArrayHash tomlBaseType = "ArrayHash"
-)
-
-// typeOfPrimitive returns a tomlType of any primitive value in TOML.
-// Primitive values are: Integer, Float, Datetime, String and Bool.
-//
-// Passing a lexer item other than the following will cause a BUG message
-// to occur: itemString, itemBool, itemInteger, itemFloat, itemDatetime.
-func (p *parser) typeOfPrimitive(lexItem item) tomlType {
-	switch lexItem.typ {
-	case itemInteger:
-		return tomlInteger
-	case itemFloat:
-		return tomlFloat
-	case itemDatetime:
-		return tomlDatetime
-	case itemString:
-		return tomlString
-	case itemMultilineString:
-		return tomlString
-	case itemRawString:
-		return tomlString
-	case itemRawMultilineString:
-		return tomlString
-	case itemBool:
-		return tomlBool
-	}
-	p.bug("Cannot infer primitive type of lex item '%s'.", lexItem)
-	panic("unreachable")
-}
-
-// typeOfArray returns a tomlType for an array given a list of types of its
-// values.
-//
-// In the current spec, if an array is homogeneous, then its type is always
-// "Array". If the array is not homogeneous, an error is generated.
-func (p *parser) typeOfArray(types []tomlType) tomlType {
-	// Empty arrays are cool.
-	if len(types) == 0 {
-		return tomlArray
-	}
-
-	theType := types[0]
-	for _, t := range types[1:] {
-		if !typeEqual(theType, t) {
-			p.panicf("Array contains values of type '%s' and '%s', but "+
-				"arrays must be homogeneous.", theType, t)
-		}
-	}
-	return tomlArray
-}

v2/vendored/toml/type_fields.go

@@ -1,242 +0,0 @@
-package toml
-
-// Struct field handling is adapted from code in encoding/json:
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the Go distribution.
-
-import (
-	"reflect"
-	"sort"
-	"sync"
-)
-
-// A field represents a single field found in a struct.
-type field struct {
-	name  string       // the name of the field (`toml` tag included)
-	tag   bool         // whether field has a `toml` tag
-	index []int        // represents the depth of an anonymous field
-	typ   reflect.Type // the type of the field
-}
-
-// byName sorts field by name, breaking ties with depth,
-// then breaking ties with "name came from toml tag", then
-// breaking ties with index sequence.
-type byName []field
-
-func (x byName) Len() int { return len(x) }
-
-func (x byName) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
-
-func (x byName) Less(i, j int) bool {
-	if x[i].name != x[j].name {
-		return x[i].name < x[j].name
-	}
-	if len(x[i].index) != len(x[j].index) {
-		return len(x[i].index) < len(x[j].index)
-	}
-	if x[i].tag != x[j].tag {
-		return x[i].tag
-	}
-	return byIndex(x).Less(i, j)
-}
-
-// byIndex sorts field by index sequence.
-type byIndex []field
-
-func (x byIndex) Len() int { return len(x) }
-
-func (x byIndex) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
-
-func (x byIndex) Less(i, j int) bool {
-	for k, xik := range x[i].index {
-		if k >= len(x[j].index) {
-			return false
-		}
-		if xik != x[j].index[k] {
-			return xik < x[j].index[k]
-		}
-	}
-	return len(x[i].index) < len(x[j].index)
-}
-
-// typeFields returns a list of fields that TOML should recognize for the given
-// type. The algorithm is breadth-first search over the set of structs to
-// include - the top struct and then any reachable anonymous structs.
-func typeFields(t reflect.Type) []field {
-	// Anonymous fields to explore at the current level and the next.
-	current := []field{}
-	next := []field{{typ: t}}
-
-	// Count of queued names for current level and the next.
-	count := map[reflect.Type]int{}
-	nextCount := map[reflect.Type]int{}
-
-	// Types already visited at an earlier level.
-	visited := map[reflect.Type]bool{}
-
-	// Fields found.
-	var fields []field
-
-	for len(next) > 0 {
-		current, next = next, current[:0]
-		count, nextCount = nextCount, map[reflect.Type]int{}
-
-		for _, f := range current {
-			if visited[f.typ] {
-				continue
-			}
-			visited[f.typ] = true
-
-			// Scan f.typ for fields to include.
-			for i := 0; i < f.typ.NumField(); i++ {
-				sf := f.typ.Field(i)
-				if sf.PkgPath != "" && !sf.Anonymous { // unexported
-					continue
-				}
-				opts := getOptions(sf.Tag)
-				if opts.skip {
-					continue
-				}
-				index := make([]int, len(f.index)+1)
-				copy(index, f.index)
-				index[len(f.index)] = i
-
-				ft := sf.Type
-				if ft.Name() == "" && ft.Kind() == reflect.Ptr {
-					// Follow pointer.
-					ft = ft.Elem()
-				}
-
-				// Record found field and index sequence.
-				if opts.name != "" || !sf.Anonymous || ft.Kind() != reflect.Struct {
-					tagged := opts.name != ""
-					name := opts.name
-					if name == "" {
-						name = sf.Name
-					}
-					fields = append(fields, field{name, tagged, index, ft})
-					if count[f.typ] > 1 {
-						// If there were multiple instances, add a second,
-						// so that the annihilation code will see a duplicate.
-						// It only cares about the distinction between 1 or 2,
-						// so don't bother generating any more copies.
-						fields = append(fields, fields[len(fields)-1])
-					}
-					continue
-				}
-
-				// Record new anonymous struct to explore in next round.
-				nextCount[ft]++
-				if nextCount[ft] == 1 {
-					f := field{name: ft.Name(), index: index, typ: ft}
-					next = append(next, f)
-				}
-			}
-		}
-	}
-
-	sort.Sort(byName(fields))
-
-	// Delete all fields that are hidden by the Go rules for embedded fields,
-	// except that fields with TOML tags are promoted.
-
-	// The fields are sorted in primary order of name, secondary order
-	// of field index length. Loop over names; for each name, delete
-	// hidden fields by choosing the one dominant field that survives.
-	out := fields[:0]
-	for advance, i := 0, 0; i < len(fields); i += advance {
-		// One iteration per name.
-		// Find the sequence of fields with the name of this first field.
-		fi := fields[i]
-		name := fi.name
-		for advance = 1; i+advance < len(fields); advance++ {
-			fj := fields[i+advance]
-			if fj.name != name {
-				break
-			}
-		}
-		if advance == 1 { // Only one field with this name
-			out = append(out, fi)
-			continue
-		}
-		dominant, ok := dominantField(fields[i : i+advance])
-		if ok {
-			out = append(out, dominant)
-		}
-	}
-
-	fields = out
-	sort.Sort(byIndex(fields))
-
-	return fields
-}
-
-// dominantField looks through the fields, all of which are known to
-// have the same name, to find the single field that dominates the
-// others using Go's embedding rules, modified by the presence of
-// TOML tags. If there are multiple top-level fields, the boolean
-// will be false: This condition is an error in Go and we skip all
-// the fields.
-func dominantField(fields []field) (field, bool) {
-	// The fields are sorted in increasing index-length order. The winner
-	// must therefore be one with the shortest index length. Drop all
-	// longer entries, which is easy: just truncate the slice.
-	length := len(fields[0].index)
-	tagged := -1 // Index of first tagged field.
-	for i, f := range fields {
-		if len(f.index) > length {
-			fields = fields[:i]
-			break
-		}
-		if f.tag {
-			if tagged >= 0 {
-				// Multiple tagged fields at the same level: conflict.
-				// Return no field.
-				return field{}, false
-			}
-			tagged = i
-		}
-	}
-	if tagged >= 0 {
-		return fields[tagged], true
-	}
-	// All remaining fields have the same length. If there's more than one,
-	// we have a conflict (two fields named "X" at the same level) and we
-	// return no field.
-	if len(fields) > 1 {
-		return field{}, false
-	}
-	return fields[0], true
-}
-
-var fieldCache struct {
-	sync.RWMutex
-	m map[reflect.Type][]field
-}
-
-// cachedTypeFields is like typeFields but uses a cache to avoid repeated work.
-func cachedTypeFields(t reflect.Type) []field {
-	fieldCache.RLock()
-	f := fieldCache.m[t]
-	fieldCache.RUnlock()
-	if f != nil {
-		return f
-	}
-
-	// Compute fields without lock.
-	// Might duplicate effort but won't hold other computations back.
-	f = typeFields(t)
-	if f == nil {
-		f = []field{}
-	}
-
-	fieldCache.Lock()
-	if fieldCache.m == nil {
-		fieldCache.m = map[reflect.Type][]field{}
-	}
-	fieldCache.m[t] = f
-	fieldCache.Unlock()
-	return f
-}