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main.go
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main.go
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package main
import (
"flag"
"fmt"
"github.com/labstack/echo/v4"
"github.com/labstack/gommon/log"
"github.com/ngoduykhanh/wireguard-ui/store"
"net/http"
"os"
"time"
rice "github.com/GeertJohan/go.rice"
"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 bool = false
flagBindAddress string = "0.0.0.0:5000"
flagSmtpHostname string = "127.0.0.1"
flagSmtpPort int = 25
flagSmtpUsername string
flagSmtpPassword string
flagSmtpAuthType string = "None"
flagSmtpNoTLSCheck bool = false
flagSmtpEncryption string = "STARTTLS"
flagSendgridApiKey string
flagEmailFrom string
flagEmailFromName string = "WireGuard UI"
flagSessionSecret string
flagWgConfTemplate string
flagBasePath 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>
`
)
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(&flagSmtpUsername, "smtp-username", util.LookupEnvOrString("SMTP_USERNAME", flagSmtpUsername), "SMTP Username")
flag.StringVar(&flagSmtpPassword, "smtp-password", util.LookupEnvOrString("SMTP_PASSWORD", flagSmtpPassword), "SMTP Password")
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 : 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(&flagSendgridApiKey, "sendgrid-api-key", util.LookupEnvOrString("SENDGRID_API_KEY", flagSendgridApiKey), "Your sendgrid api key.")
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(&flagSessionSecret, "session-secret", util.LookupEnvOrString("SESSION_SECRET", flagSessionSecret), "The key used to encrypt session cookies.")
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.Parse()
// update runtime config
util.DisableLogin = flagDisableLogin
util.BindAddress = flagBindAddress
util.SmtpHostname = flagSmtpHostname
util.SmtpPort = flagSmtpPort
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 = []byte(flagSessionSecret)
util.WgConfTemplate = flagWgConfTemplate
util.BasePath = util.ParseBasePath(flagBasePath)
// 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+"/")
}
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]string)
extraData["appVersion"] = appVersion
extraData["basePath"] = util.BasePath
// create rice box for embedded template
tmplBox := rice.MustFindBox("templates")
// rice file server for assets. "assets" is the folder where the files come from.
assetHandler := http.FileServer(rice.MustFindBox("assets").HTTPBox())
// create the wireguard config on start, if it doesn't exist
initServerConfig(db, tmplBox)
// register routes
app := router.New(tmplBox, extraData, util.SessionSecret)
app.GET(util.BasePath, handler.WireGuardClients(db), handler.ValidSession)
if !util.DisableLogin {
app.GET(util.BasePath+"/login", handler.LoginPage())
app.POST(util.BasePath+"/login", handler.Login(db))
}
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.SmtpNoTLSCheck, util.SmtpAuthType, util.EmailFromName, util.EmailFrom, util.SmtpEncryption)
}
app.GET(util.BasePath+"/_health", handler.Health())
app.GET(util.BasePath+"/logout", handler.Logout(), handler.ValidSession)
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+"/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+"/wg-server", handler.WireGuardServer(db), handler.ValidSession)
app.POST(util.BasePath+"/wg-server/interfaces", handler.WireGuardServerInterfaces(db), handler.ValidSession, handler.ContentTypeJson)
app.POST(util.BasePath+"/wg-server/keypair", handler.WireGuardServerKeyPair(db), handler.ValidSession, handler.ContentTypeJson)
app.GET(util.BasePath+"/global-settings", handler.GlobalSettings(db), handler.ValidSession)
app.POST(util.BasePath+"/global-settings", handler.GlobalSettingSubmit(db), handler.ValidSession, handler.ContentTypeJson)
app.GET(util.BasePath+"/status", handler.Status(db), handler.ValidSession)
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/suggest-client-ips", handler.SuggestIPAllocation(db), handler.ValidSession)
app.POST(util.BasePath+"/api/apply-wg-config", handler.ApplyServerConfig(db, tmplBox), handler.ValidSession, handler.ContentTypeJson)
app.GET(util.BasePath+"/wake_on_lan_hosts", handler.GetWakeOnLanHosts(db), handler.ValidSession)
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)
// servers other static files
app.GET(util.BasePath+"/static/*", echo.WrapHandler(http.StripPrefix(util.BasePath+"/static/", assetHandler)))
app.Logger.Fatal(app.Start(util.BindAddress))
}
func initServerConfig(db store.IStore, tmplBox *rice.Box) {
settings, err := db.GetGlobalSettings()
if err != nil {
log.Fatalf("Cannot get global settings: ", err)
}
if _, err := os.Stat(settings.ConfigFilePath); err == nil {
// file exists, don't overwrite it implicitly
return
}
server, err := db.GetServer()
if err != nil {
log.Fatalf("Cannot get server config: ", err)
}
clients, err := db.GetClients(false)
if err != nil {
log.Fatalf("Cannot get client config: ", err)
}
// write config file
err = util.WriteWireGuardServerConfig(tmplBox, server, clients, settings)
if err != nil {
log.Fatalf("Cannot create server config: ", err)
}
}