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package main
import (
"flag"
"fmt"
"net/http"
"time"
rice "github.com/GeertJohan/go.rice"
"github.com/labstack/echo/v4"
"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"
flagSendgridApiKey string
flagEmailFrom string
flagEmailFromName string = "WireGuard UI"
flagSessionSecret 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(&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.Parse()
// update runtime config
util.DisableLogin = flagDisableLogin
util.BindAddress = flagBindAddress
util.SendgridApiKey = flagSendgridApiKey
util.EmailFrom = flagEmailFrom
util.EmailFromName = flagEmailFromName
util.SessionSecret = []byte(flagSessionSecret)
// 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)
}
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
// 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())
// register routes
app := router.New(tmplBox, extraData, util.SessionSecret)
app.GET("/", handler.WireGuardClients(db), handler.ValidSession)
if !util.DisableLogin {
app.GET("/login", handler.LoginPage())
app.POST("/login", handler.Login(db))
}
sendmail := emailer.NewSendgridApiMail(util.SendgridApiKey, util.EmailFromName, util.EmailFrom)
app.GET("/_health", handler.Health())
app.GET("/logout", handler.Logout(), handler.ValidSession)
app.POST("/new-client", handler.NewClient(db), handler.ValidSession)
app.POST("/update-client", handler.UpdateClient(db), handler.ValidSession)
app.POST("/email-client", handler.EmailClient(db, sendmail, defaultEmailSubject, defaultEmailContent), handler.ValidSession)
app.POST("/client/set-status", handler.SetClientStatus(db), handler.ValidSession)
app.POST("/remove-client", handler.RemoveClient(db), handler.ValidSession)
app.GET("/download", handler.DownloadClient(db), handler.ValidSession)
app.GET("/wg-server", handler.WireGuardServer(db), handler.ValidSession)
app.POST("wg-server/interfaces", handler.WireGuardServerInterfaces(db), handler.ValidSession)
app.POST("wg-server/keypair", handler.WireGuardServerKeyPair(db), handler.ValidSession)
app.GET("/global-settings", handler.GlobalSettings(db), handler.ValidSession)
app.POST("/global-settings", handler.GlobalSettingSubmit(db), handler.ValidSession)
app.GET("/status", handler.Status(db), handler.ValidSession)
app.GET("/api/clients", handler.GetClients(db), handler.ValidSession)
app.GET("/api/client/:id", handler.GetClient(db), handler.ValidSession)
app.GET("/api/machine-ips", handler.MachineIPAddresses(), handler.ValidSession)
app.GET("/api/suggest-client-ips", handler.SuggestIPAllocation(db), handler.ValidSession)
app.GET("/api/apply-wg-config", handler.ApplyServerConfig(db, tmplBox), handler.ValidSession)
// servers other static files
app.GET("/static/*", echo.WrapHandler(http.StripPrefix("/static/", assetHandler)))
app.Logger.Fatal(app.Start(util.BindAddress))
}