Files
wireguard-ui-multi/main.go
T
sysopsandClaude Sonnet 5 0000643187 Add missing server delete: handler, route, and UI button
DeleteServer already existed in the store layer (refuses if clients
still reference the server) but was never wired up anywhere, so there
was no way to actually remove a server from the UI or API.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-12 16:38:22 +02:00

356 lines
18 KiB
Go

package main
import (
"crypto/sha512"
"embed"
"flag"
"fmt"
"io/fs"
"net"
"net/http"
"os"
"strings"
"syscall"
"time"
"github.com/labstack/echo/v4"
"github.com/labstack/gommon/log"
"github.com/ngoduykhanh/wireguard-ui/store"
"github.com/ngoduykhanh/wireguard-ui/telegram"
"github.com/ngoduykhanh/wireguard-ui/emailer"
"github.com/ngoduykhanh/wireguard-ui/handler"
"github.com/ngoduykhanh/wireguard-ui/router"
"github.com/ngoduykhanh/wireguard-ui/store/jsondb"
"github.com/ngoduykhanh/wireguard-ui/util"
)
var (
// command-line banner information
appVersion = "development"
gitCommit = "N/A"
gitRef = "N/A"
buildTime = fmt.Sprintf(time.Now().UTC().Format("01-02-2006 15:04:05"))
// configuration variables
flagDisableLogin = false
flagBindAddress = "0.0.0.0:5000"
flagSmtpHostname = "127.0.0.1"
flagSmtpPort = 25
flagSmtpUsername string
flagSmtpPassword string
flagSmtpAuthType = "NONE"
flagSmtpNoTLSCheck = false
flagSmtpEncryption = "STARTTLS"
flagSmtpHelo = "localhost"
flagSendgridApiKey string
flagEmailFrom string
flagEmailFromName = "WireGuard UI"
flagTelegramToken string
flagTelegramAllowConfRequest = false
flagTelegramFloodWait = 60
flagSessionSecret = util.RandomString(32)
flagSessionMaxDuration = 90
flagWgConfTemplate string
flagBasePath string
flagSubnetRanges string
)
const (
defaultEmailSubject = "Your wireguard configuration"
defaultEmailContent = `Hi,</br>
<p>In this email you can find your personal configuration for our wireguard server.</p>
<p>Best</p>
`
)
// embed the "templates" directory
//
//go:embed templates/*
var embeddedTemplates embed.FS
// embed the "assets" directory
//
//go:embed assets/*
var embeddedAssets embed.FS
func init() {
// command-line flags and env variables
flag.BoolVar(&flagDisableLogin, "disable-login", util.LookupEnvOrBool("DISABLE_LOGIN", flagDisableLogin), "Disable authentication on the app. This is potentially dangerous.")
flag.StringVar(&flagBindAddress, "bind-address", util.LookupEnvOrString("BIND_ADDRESS", flagBindAddress), "Address:Port to which the app will be bound.")
flag.StringVar(&flagSmtpHostname, "smtp-hostname", util.LookupEnvOrString("SMTP_HOSTNAME", flagSmtpHostname), "SMTP Hostname")
flag.IntVar(&flagSmtpPort, "smtp-port", util.LookupEnvOrInt("SMTP_PORT", flagSmtpPort), "SMTP Port")
flag.StringVar(&flagSmtpHelo, "smtp-helo", util.LookupEnvOrString("SMTP_HELO", flagSmtpHelo), "SMTP HELO Hostname")
flag.StringVar(&flagSmtpUsername, "smtp-username", util.LookupEnvOrString("SMTP_USERNAME", flagSmtpUsername), "SMTP Username")
flag.BoolVar(&flagSmtpNoTLSCheck, "smtp-no-tls-check", util.LookupEnvOrBool("SMTP_NO_TLS_CHECK", flagSmtpNoTLSCheck), "Disable TLS verification for SMTP. This is potentially dangerous.")
flag.StringVar(&flagSmtpEncryption, "smtp-encryption", util.LookupEnvOrString("SMTP_ENCRYPTION", flagSmtpEncryption), "SMTP Encryption : NONE, SSL, SSLTLS, TLS or STARTTLS (by default)")
flag.StringVar(&flagSmtpAuthType, "smtp-auth-type", util.LookupEnvOrString("SMTP_AUTH_TYPE", flagSmtpAuthType), "SMTP Auth Type : PLAIN, LOGIN or NONE.")
flag.StringVar(&flagEmailFrom, "email-from", util.LookupEnvOrString("EMAIL_FROM_ADDRESS", flagEmailFrom), "'From' email address.")
flag.StringVar(&flagEmailFromName, "email-from-name", util.LookupEnvOrString("EMAIL_FROM_NAME", flagEmailFromName), "'From' email name.")
flag.StringVar(&flagTelegramToken, "telegram-token", util.LookupEnvOrString("TELEGRAM_TOKEN", flagTelegramToken), "Telegram bot token for distributing configs to clients.")
flag.BoolVar(&flagTelegramAllowConfRequest, "telegram-allow-conf-request", util.LookupEnvOrBool("TELEGRAM_ALLOW_CONF_REQUEST", flagTelegramAllowConfRequest), "Allow users to get configs from the bot by sending a message.")
flag.IntVar(&flagTelegramFloodWait, "telegram-flood-wait", util.LookupEnvOrInt("TELEGRAM_FLOOD_WAIT", flagTelegramFloodWait), "Time in minutes before the next conf request is processed.")
flag.StringVar(&flagWgConfTemplate, "wg-conf-template", util.LookupEnvOrString("WG_CONF_TEMPLATE", flagWgConfTemplate), "Path to custom wg.conf template.")
flag.StringVar(&flagBasePath, "base-path", util.LookupEnvOrString("BASE_PATH", flagBasePath), "The base path of the URL")
flag.StringVar(&flagSubnetRanges, "subnet-ranges", util.LookupEnvOrString("SUBNET_RANGES", flagSubnetRanges), "IP ranges to choose from when assigning an IP for a client.")
flag.IntVar(&flagSessionMaxDuration, "session-max-duration", util.LookupEnvOrInt("SESSION_MAX_DURATION", flagSessionMaxDuration), "Max time in days a remembered session is refreshed and valid.")
var (
smtpPasswordLookup = util.LookupEnvOrString("SMTP_PASSWORD", flagSmtpPassword)
sendgridApiKeyLookup = util.LookupEnvOrString("SENDGRID_API_KEY", flagSendgridApiKey)
sessionSecretLookup = util.LookupEnvOrString("SESSION_SECRET", flagSessionSecret)
)
// check empty smtpPassword env var
if smtpPasswordLookup != "" {
flag.StringVar(&flagSmtpPassword, "smtp-password", smtpPasswordLookup, "SMTP Password")
} else {
flag.StringVar(&flagSmtpPassword, "smtp-password", util.LookupEnvOrFile("SMTP_PASSWORD_FILE", flagSmtpPassword), "SMTP Password File")
}
// check empty sendgridApiKey env var
if sendgridApiKeyLookup != "" {
flag.StringVar(&flagSendgridApiKey, "sendgrid-api-key", sendgridApiKeyLookup, "Your sendgrid api key.")
} else {
flag.StringVar(&flagSendgridApiKey, "sendgrid-api-key", util.LookupEnvOrFile("SENDGRID_API_KEY_FILE", flagSendgridApiKey), "File containing your sendgrid api key.")
}
// check empty sessionSecret env var
if sessionSecretLookup != "" {
flag.StringVar(&flagSessionSecret, "session-secret", sessionSecretLookup, "The key used to encrypt session cookies.")
} else {
flag.StringVar(&flagSessionSecret, "session-secret", util.LookupEnvOrFile("SESSION_SECRET_FILE", flagSessionSecret), "File containing the key used to encrypt session cookies.")
}
flag.Parse()
// update runtime config
util.DisableLogin = flagDisableLogin
util.BindAddress = flagBindAddress
util.SmtpHostname = flagSmtpHostname
util.SmtpPort = flagSmtpPort
util.SmtpHelo = flagSmtpHelo
util.SmtpUsername = flagSmtpUsername
util.SmtpPassword = flagSmtpPassword
util.SmtpAuthType = flagSmtpAuthType
util.SmtpNoTLSCheck = flagSmtpNoTLSCheck
util.SmtpEncryption = flagSmtpEncryption
util.SendgridApiKey = flagSendgridApiKey
util.EmailFrom = flagEmailFrom
util.EmailFromName = flagEmailFromName
util.SessionSecret = sha512.Sum512([]byte(flagSessionSecret))
util.SessionMaxDuration = int64(flagSessionMaxDuration) * 86_400 // Store in seconds
util.WgConfTemplate = flagWgConfTemplate
util.BasePath = util.ParseBasePath(flagBasePath)
util.SubnetRanges = util.ParseSubnetRanges(flagSubnetRanges)
lvl, _ := util.ParseLogLevel(util.LookupEnvOrString(util.LogLevel, "INFO"))
telegram.Token = flagTelegramToken
telegram.AllowConfRequest = flagTelegramAllowConfRequest
telegram.FloodWait = flagTelegramFloodWait
telegram.LogLevel = lvl
// print only if log level is INFO or lower
if lvl <= log.INFO {
// print app information
fmt.Println("Wireguard UI")
fmt.Println("App Version\t:", appVersion)
fmt.Println("Git Commit\t:", gitCommit)
fmt.Println("Git Ref\t\t:", gitRef)
fmt.Println("Build Time\t:", buildTime)
fmt.Println("Git Repo\t:", "https://github.com/ngoduykhanh/wireguard-ui")
fmt.Println("Authentication\t:", !util.DisableLogin)
fmt.Println("Bind address\t:", util.BindAddress)
//fmt.Println("Sendgrid key\t:", util.SendgridApiKey)
fmt.Println("Email from\t:", util.EmailFrom)
fmt.Println("Email from name\t:", util.EmailFromName)
//fmt.Println("Session secret\t:", util.SessionSecret)
fmt.Println("Custom wg.conf\t:", util.WgConfTemplate)
fmt.Println("Base path\t:", util.BasePath+"/")
fmt.Println("Subnet ranges\t:", util.GetSubnetRangesString())
}
}
func main() {
db, err := jsondb.New("./db")
if err != nil {
panic(err)
}
if err := db.Init(); err != nil {
panic(err)
}
// set app extra data
extraData := make(map[string]interface{})
extraData["appVersion"] = appVersion
extraData["gitCommit"] = gitCommit
extraData["basePath"] = util.BasePath
extraData["loginDisabled"] = flagDisableLogin
// strip the "templates/" prefix from the embedded directory so files can be read by their direct name (e.g.
// "base.html" instead of "templates/base.html")
tmplDir, _ := fs.Sub(fs.FS(embeddedTemplates), "templates")
// create the wireguard config on start, if it doesn't exist
initServerConfig(db, tmplDir)
// Check if subnet ranges are valid for the server configuration
// Remove any non-valid CIDRs
if err := util.ValidateAndFixSubnetRanges(db); err != nil {
panic(err)
}
// Print valid ranges
if lvl, _ := util.ParseLogLevel(util.LookupEnvOrString(util.LogLevel, "INFO")); lvl <= log.INFO {
fmt.Println("Valid subnet ranges:", util.GetSubnetRangesString())
}
// register routes
app := router.New(tmplDir, extraData, util.SessionSecret)
app.GET(util.BasePath, handler.WireGuardClients(db), handler.ValidSession, handler.RefreshSession)
// Important: Make sure that all non-GET routes check the request content type using handler.ContentTypeJson to
// mitigate CSRF attacks. This is effective, because browsers don't allow setting the Content-Type header on
// cross-origin requests.
if !util.DisableLogin {
app.GET(util.BasePath+"/login", handler.LoginPage())
app.POST(util.BasePath+"/login", handler.Login(db), handler.ContentTypeJson)
app.GET(util.BasePath+"/logout", handler.Logout(), handler.ValidSession)
app.GET(util.BasePath+"/profile", handler.LoadProfile(), handler.ValidSession, handler.RefreshSession)
app.GET(util.BasePath+"/users-settings", handler.UsersSettings(), handler.ValidSession, handler.RefreshSession, handler.NeedsAdmin)
app.POST(util.BasePath+"/update-user", handler.UpdateUser(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/create-user", handler.CreateUser(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.POST(util.BasePath+"/remove-user", handler.RemoveUser(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.GET(util.BasePath+"/get-users", handler.GetUsers(db), handler.ValidSession, handler.NeedsAdmin)
app.GET(util.BasePath+"/api/user/:username", handler.GetUser(db), handler.ValidSession)
}
var sendmail emailer.Emailer
if util.SendgridApiKey != "" {
sendmail = emailer.NewSendgridApiMail(util.SendgridApiKey, util.EmailFromName, util.EmailFrom)
} else {
sendmail = emailer.NewSmtpMail(util.SmtpHostname, util.SmtpPort, util.SmtpUsername, util.SmtpPassword, util.SmtpHelo, util.SmtpNoTLSCheck, util.SmtpAuthType, util.EmailFromName, util.EmailFrom, util.SmtpEncryption)
}
app.GET(util.BasePath+"/test-hash", handler.GetHashesChanges(db), handler.ValidSession)
app.GET(util.BasePath+"/about", handler.AboutPage())
app.GET(util.BasePath+"/_health", handler.Health())
app.GET(util.BasePath+"/favicon", handler.Favicon())
app.POST(util.BasePath+"/new-client", handler.NewClient(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/update-client", handler.UpdateClient(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/email-client", handler.EmailClient(db, sendmail, defaultEmailSubject, defaultEmailContent), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/send-telegram-client", handler.SendTelegramClient(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/client/set-status", handler.SetClientStatus(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/remove-client", handler.RemoveClient(db), handler.ValidSession, handler.ContentTypeJson)
app.GET(util.BasePath+"/download", handler.DownloadClient(db), handler.ValidSession)
app.GET(util.BasePath+"/global-settings", handler.GlobalSettings(db), handler.ValidSession, handler.RefreshSession, handler.NeedsAdmin)
app.POST(util.BasePath+"/global-settings", handler.GlobalSettingSubmit(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.GET(util.BasePath+"/status", handler.Status(db), handler.ValidSession, handler.RefreshSession)
app.GET(util.BasePath+"/servers-settings", handler.ServersPage(), handler.ValidSession, handler.RefreshSession, handler.NeedsAdmin)
app.GET(util.BasePath+"/servers", handler.ListServers(db), handler.ValidSession)
app.POST(util.BasePath+"/servers", handler.CreateServer(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.GET(util.BasePath+"/servers/:id/clients", handler.ServerClientsPage(db), handler.ValidSession, handler.RefreshSession, handler.RequireServerAccess(db))
app.GET(util.BasePath+"/servers/:id/api/clients", handler.GetServerClients(db), handler.ValidSession, handler.RequireServerAccess(db))
app.GET(util.BasePath+"/servers/:id/api/client/:cid", handler.GetServerClient(db), handler.ValidSession, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/new-client", handler.NewClient(db), handler.ValidSession, handler.ContentTypeJson, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/update-client", handler.UpdateClient(db), handler.ValidSession, handler.ContentTypeJson, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/client/set-status", handler.SetClientStatus(db), handler.ValidSession, handler.ContentTypeJson, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/remove-client", handler.RemoveClient(db), handler.ValidSession, handler.ContentTypeJson, handler.RequireServerAccess(db))
app.GET(util.BasePath+"/servers/:id/download", handler.DownloadClient(db), handler.ValidSession, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/api/apply-wg-config", handler.ApplyServerConfig(db, tmplDir), handler.ValidSession, handler.ContentTypeJson, handler.RequireServerAccess(db))
app.GET(util.BasePath+"/servers/:id/settings", handler.GetServerSettings(db), handler.ValidSession, handler.RequireServerAccess(db))
app.POST(util.BasePath+"/servers/:id/settings", handler.SaveServerSettingsHandler(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.POST(util.BasePath+"/servers/:id/interface", handler.UpdateServerInterfaceHandler(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.POST(util.BasePath+"/servers/:id/keypair", handler.UpdateServerKeyPairHandler(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.POST(util.BasePath+"/servers/:id/delete", handler.RemoveServer(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.POST(util.BasePath+"/backup/download", handler.DownloadBackup(db), handler.ValidSession, handler.ContentTypeJson, handler.NeedsAdmin)
app.GET(util.BasePath+"/api/clients", handler.GetClients(db), handler.ValidSession)
app.GET(util.BasePath+"/api/client/:id", handler.GetClient(db), handler.ValidSession)
app.GET(util.BasePath+"/api/machine-ips", handler.MachineIPAddresses(), handler.ValidSession)
app.GET(util.BasePath+"/api/subnet-ranges", handler.GetOrderedSubnetRanges(), handler.ValidSession)
app.GET(util.BasePath+"/api/suggest-client-ips", handler.SuggestIPAllocation(db), handler.ValidSession)
app.POST(util.BasePath+"/api/apply-wg-config", handler.ApplyServerConfig(db, tmplDir), handler.ValidSession, handler.ContentTypeJson)
app.GET(util.BasePath+"/wake_on_lan_hosts", handler.GetWakeOnLanHosts(db), handler.ValidSession, handler.RefreshSession)
app.POST(util.BasePath+"/wake_on_lan_host", handler.SaveWakeOnLanHost(db), handler.ValidSession, handler.ContentTypeJson)
app.DELETE(util.BasePath+"/wake_on_lan_host/:mac_address", handler.DeleteWakeOnHost(db), handler.ValidSession, handler.ContentTypeJson)
app.PUT(util.BasePath+"/wake_on_lan_host/:mac_address", handler.WakeOnHost(db), handler.ValidSession, handler.ContentTypeJson)
// strip the "assets/" prefix from the embedded directory so files can be called directly without the "assets/"
// prefix
assetsDir, _ := fs.Sub(fs.FS(embeddedAssets), "assets")
assetHandler := http.FileServer(http.FS(assetsDir))
// serves other static files
app.GET(util.BasePath+"/static/*", echo.WrapHandler(http.StripPrefix(util.BasePath+"/static/", assetHandler)))
initDeps := telegram.TgBotInitDependencies{
DB: db,
SendRequestedConfigsToTelegram: util.SendRequestedConfigsToTelegram,
}
initTelegram(initDeps)
if strings.HasPrefix(util.BindAddress, "unix://") {
// Listen on unix domain socket.
// https://github.com/labstack/echo/issues/830
err := syscall.Unlink(util.BindAddress[6:])
if err != nil {
app.Logger.Fatalf("Cannot unlink unix socket: Error: %v", err)
}
l, err := net.Listen("unix", util.BindAddress[6:])
if err != nil {
app.Logger.Fatalf("Cannot create unix socket. Error: %v", err)
}
app.Listener = l
app.Logger.Fatal(app.Start(""))
} else {
// Listen on TCP socket
app.Logger.Fatal(app.Start(util.BindAddress))
}
}
func initServerConfig(db store.IStore, tmplDir fs.FS) {
settings, err := db.GetGlobalSettings()
if err != nil {
log.Fatalf("Cannot get global settings: %v", err)
}
if _, err := os.Stat(settings.ConfigFilePath); err == nil {
// file exists, don't overwrite it implicitly
return
}
server, err := db.GetServerByID(util.DefaultServerID)
if err != nil {
log.Fatalf("Cannot get server config: %v", err)
}
clients, err := db.GetClients(false)
if err != nil {
log.Fatalf("Cannot get client config: %v", err)
}
users, err := db.GetUsers()
if err != nil {
log.Fatalf("Cannot get user config: %v", err)
}
// write config file
err = util.WriteWireGuardServerConfig(tmplDir, server, clients, users, settings)
if err != nil {
log.Fatalf("Cannot create server config: %v", err)
}
}
func initTelegram(initDeps telegram.TgBotInitDependencies) {
go func() {
for {
err := telegram.Start(initDeps)
if err == nil {
break
}
}
}()
}