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https://github.com/openziti/ziti.git
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dovholuknf
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
/*
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Copyright NetFoundry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package webapis
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import (
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"fmt"
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"strings"
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"github.com/openziti/xweb/v3"
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log "github.com/sirupsen/logrus"
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)
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const (
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SpaBinding = "spa"
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)
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type SpaFactory struct {
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}
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var _ xweb.ApiHandlerFactory = &SpaFactory{}
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func NewSpaFactory() *SpaFactory {
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return &SpaFactory{}
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}
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func (factory *SpaFactory) Validate(*xweb.InstanceConfig) error {
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return nil
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}
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func (factory *SpaFactory) Binding() string {
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return SpaBinding
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}
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func (factory *SpaFactory) New(_ *xweb.ServerConfig, options map[interface{}]interface{}) (xweb.ApiHandler, error) {
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urlPath, err := requiredStringOption(options, "path")
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if err != nil {
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return nil, err
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}
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if strings.ContainsAny(urlPath, "/\\") {
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return nil, fmt.Errorf("path must not contain path separators in the %s options", SpaBinding)
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}
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location, err := requiredStringOption(options, "location")
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if err != nil {
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return nil, err
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}
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indexFile := "index.html"
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if v, ok := options["indexFile"]; ok && v != nil {
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s, ok := v.(string)
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if !ok {
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return nil, fmt.Errorf("indexFile must be a string for the %s options", SpaBinding)
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}
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if s = strings.TrimSpace(s); s != "" {
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indexFile = s
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}
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}
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contextRoot := "/" + urlPath
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handler := &GenericHttpHandler{
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HttpHandler: SpaHandler(location, contextRoot, indexFile),
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BindingKey: urlPath,
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ContextRoot: contextRoot,
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}
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log.Infof("initializing SPA handler %q from %s", urlPath, location)
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return handler, nil
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}
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func requiredStringOption(options map[interface{}]interface{}, key string) (string, error) {
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v, ok := options[key]
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if !ok || v == nil || v == "" {
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return "", fmt.Errorf("%s must be supplied in the %s options", key, SpaBinding)
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}
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s, ok := v.(string)
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if !ok {
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return "", fmt.Errorf("%s must be a string for the %s options", key, SpaBinding)
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}
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s = strings.TrimSpace(s)
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if s == "" {
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return "", fmt.Errorf("%s must not be empty in the %s options", key, SpaBinding)
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}
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return s, nil
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}
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