syncthing/lib/config/guiconfiguration.go

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// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package config
import (
"net/url"
"os"
"strings"
)
type GUIConfiguration struct {
Enabled bool `xml:"enabled,attr" json:"enabled" default:"true"`
RawAddress string `xml:"address" json:"address" default:"127.0.0.1:8384"`
User string `xml:"user,omitempty" json:"user"`
Password string `xml:"password,omitempty" json:"password"`
RawUseTLS bool `xml:"tls,attr" json:"useTLS"`
APIKey string `xml:"apikey,omitempty" json:"apiKey"`
InsecureAdminAccess bool `xml:"insecureAdminAccess,omitempty" json:"insecureAdminAccess"`
Theme string `xml:"theme" json:"theme" default:"default"`
Debugging bool `xml:"debugging,attr" json:"debugging"`
InsecureSkipHostCheck bool `xml:"insecureSkipHostcheck,omitempty" json:"insecureSkipHostcheck"`
InsecureAllowFrameLoading bool `xml:"insecureAllowFrameLoading,omitempty" json:"insecureAllowFrameLoading"`
}
func (c GUIConfiguration) Address() string {
if override := os.Getenv("STGUIADDRESS"); override != "" {
// This value may be of the form "scheme://address:port" or just
// "address:port". We need to chop off the scheme. We try to parse it as
// an URL if it contains a slash. If that fails, return it as is and let
// some other error handling handle it.
if strings.Contains(override, "/") {
url, err := url.Parse(override)
if err != nil {
return override
}
return url.Host
}
return override
}
return c.RawAddress
}
func (c GUIConfiguration) UseTLS() bool {
if override := os.Getenv("STGUIADDRESS"); override != "" && strings.HasPrefix(override, "http") {
return strings.HasPrefix(override, "https:")
}
return c.RawUseTLS
}
func (c GUIConfiguration) URL() string {
u := url.URL{
Scheme: "http",
Host: c.Address(),
Path: "/",
}
if c.UseTLS() {
u.Scheme = "https"
}
if strings.HasPrefix(u.Host, ":") {
// Empty host, i.e. ":port", use IPv4 localhost
u.Host = "127.0.0.1" + u.Host
} else if strings.HasPrefix(u.Host, "0.0.0.0:") {
// IPv4 all zeroes host, convert to IPv4 localhost
u.Host = "127.0.0.1" + u.Host[7:]
} else if strings.HasPrefix(u.Host, "[::]:") {
// IPv6 all zeroes host, convert to IPv6 localhost
u.Host = "[::1]" + u.Host[4:]
}
return u.String()
}
// IsValidAPIKey returns true when the given API key is valid, including both
// the value in config and any overrides
func (c GUIConfiguration) IsValidAPIKey(apiKey string) bool {
switch apiKey {
case "":
return false
case c.APIKey, os.Getenv("STGUIAPIKEY"):
return true
default:
return false
}
}