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https://github.com/openziti/ziti.git
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08e658514a
- ctrl section for fabric now supports newListener addresses, sent on router connect - xweb bindPoints now support newAddress, sent as a header on every response
116 lines
3.1 KiB
Go
116 lines
3.1 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 xweb
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import (
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"fmt"
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"github.com/pkg/errors"
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"net"
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"strconv"
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"strings"
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)
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// BindPoint represents the interface:port address of where a http.Server should listen for a WebListener and the public
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// address that should be used to address it.
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type BindPoint struct {
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InterfaceAddress string // <interface>:<port>
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Address string //<ip/host>:<port>
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NewAddress string //<ip/host>:<port> sent out as a header for clients to alternatively swap to (ip -> hostname moves)
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}
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// Parse the configuration map for a BindPoint.
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func (bindPoint *BindPoint) Parse(config map[interface{}]interface{}) error {
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if interfaceVal, ok := config["interface"]; ok {
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if address, ok := interfaceVal.(string); ok {
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bindPoint.InterfaceAddress = address
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} else {
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return fmt.Errorf("could not use value for address, not a string")
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}
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}
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if interfaceVal, ok := config["address"]; ok {
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if address, ok := interfaceVal.(string); ok {
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bindPoint.Address = address
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} else {
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return errors.New("could not use value for address, not a string")
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}
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}
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if interfaceVal, ok := config["newAddress"]; ok {
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if address, ok := interfaceVal.(string); ok {
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bindPoint.NewAddress = address
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} else {
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return errors.New("could not use value for newAddress, not a string")
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}
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}
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return nil
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}
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// Validate this configuration object.
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func (bindPoint *BindPoint) Validate() error {
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// required
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if err := validateHostPort(bindPoint.InterfaceAddress); err != nil {
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return fmt.Errorf("invalid interface address [%s]: %v", bindPoint.InterfaceAddress, err)
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}
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// required
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if err := validateHostPort(bindPoint.Address); err != nil {
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return fmt.Errorf("invalid advertise address [%s]: %v", bindPoint.Address, err)
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}
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//optional
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if bindPoint.NewAddress != "" {
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if err := validateHostPort(bindPoint.NewAddress); err != nil {
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return fmt.Errorf("invalid new address [%s]: %v", bindPoint.NewAddress, err)
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}
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}
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return nil
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}
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func validateHostPort(address string) error {
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address = strings.TrimSpace(address)
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if address == "" {
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return errors.New("must not be an empty string or unspecified")
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}
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host, port, err := net.SplitHostPort(address)
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if err != nil {
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return errors.Errorf("could not split host and port: %v", err)
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}
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if host == "" {
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return errors.New("host must be specified")
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}
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if port == "" {
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return errors.New("port must be specified")
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}
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if port, err := strconv.ParseInt(port, 10, 32); err != nil {
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return errors.New("invalid port, must be a integer")
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} else if port < 1 || port > 65535 {
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return errors.New("invalid port, must 1-65535")
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}
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return nil
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}
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