Feat: add preshared key check

cmds/serve.go

@@ -106,7 +106,8 @@ var serveCmd = &cobra.Command{
 
 		authGroup := backend.NewGroup("/auth")
 		authGroup.POST("/login", auths.PostLogin)
-		authGroup.POST("/gen-login-url", auths.PostGenLoginUrl)
+		authGroup.POST("/gen-login-url",
+			midHandlers.CheckPresharedKey(auths.PostGenLoginUrl))
 
 		if viper.GetBool("swagger") {
 			backend.GET("/swagger/*any",
@@ -127,6 +128,8 @@ func init() {
 		String("external-url", "http://localhost:8080", "External url for login")
 	serveCmd.Flags().
 		String("cors-origin", "", "CORS origin")
+	serveCmd.Flags().
+		String("preshared-key", "poop", "Preshared key for Discord Bot")
 
 	serveCmd.Flags().
 		Int64("access-token-timeout", 300, "Timeout of Access Token JWT")