setting: add login status cookie (#2885)

Added config options EnableLoginStatusCookie and LoginStatusCookieName under section '[security]'.

conf/app.ini

@@ -182,6 +182,9 @@ COOKIE_REMEMBER_NAME = gogs_incredible
 COOKIE_SECURE = false
 ; Reverse proxy authentication header name of user name
 REVERSE_PROXY_AUTHENTICATION_USER = X-WEBAUTH-USER
+; Enable to set cookie to indicate user login status
+ENABLE_LOGIN_STATUS_COOKIE = false
+LOGIN_STATUS_COOKIE_NAME = login_status
 
 [service]
 ACTIVE_CODE_LIVE_MINUTES = 180

modules/setting/setting.go

@@ -93,13 +93,15 @@ var (
 	}
 
 	// Security settings
-	InstallLock          bool
+	InstallLock             bool
-	SecretKey            string
+	SecretKey               string
-	LogInRememberDays    int
+	LoginRememberDays       int
-	CookieUserName       string
+	CookieUserName          string
-	CookieRememberName   string
+	CookieRememberName      string
-	CookieSecure         bool
+	CookieSecure            bool
-	ReverseProxyAuthUser string
+	ReverseProxyAuthUser    string
+	EnableLoginStatusCookie bool
+	LoginStatusCookieName   string
 
 	// Database settings
 	UseSQLite3    bool
@@ -492,11 +494,13 @@ func NewContext() {
 	sec = Cfg.Section("security")
 	InstallLock = sec.Key("INSTALL_LOCK").MustBool()
 	SecretKey = sec.Key("SECRET_KEY").String()
-	LogInRememberDays = sec.Key("LOGIN_REMEMBER_DAYS").MustInt()
+	LoginRememberDays = sec.Key("LOGIN_REMEMBER_DAYS").MustInt()
 	CookieUserName = sec.Key("COOKIE_USERNAME").String()
 	CookieRememberName = sec.Key("COOKIE_REMEMBER_NAME").String()
 	CookieSecure = sec.Key("COOKIE_SECURE").MustBool(false)
 	ReverseProxyAuthUser = sec.Key("REVERSE_PROXY_AUTHENTICATION_USER").MustString("X-WEBAUTH-USER")
+	EnableLoginStatusCookie = sec.Key("ENABLE_LOGIN_STATUS_COOKIE").MustBool(false)
+	LoginStatusCookieName = sec.Key("LOGIN_STATUS_COOKIE_NAME").MustString("login_status")
 
 	sec = Cfg.Section("attachment")
 	AttachmentPath = sec.Key("PATH").MustString(path.Join(AppDataPath, "attachments"))

routers/user/auth.go

@@ -45,6 +45,7 @@ func AutoSignIn(ctx *context.Context) (bool, error) {
 			log.Trace("auto-login cookie cleared: %s", uname)
 			ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubUrl)
 			ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubUrl)
+			ctx.SetCookie(setting.LoginStatusCookieName, "", -1, setting.AppSubUrl)
 		}
 	}()
 
@@ -64,6 +65,9 @@ func AutoSignIn(ctx *context.Context) (bool, error) {
 	ctx.Session.Set("uid", u.ID)
 	ctx.Session.Set("uname", u.Name)
 	ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubUrl)
+	if setting.EnableLoginStatusCookie {
+		ctx.SetCookie(setting.LoginStatusCookieName, "true", 0, setting.AppSubUrl)
+	}
 	return true, nil
 }
 
@@ -123,7 +127,7 @@ func SignInPost(ctx *context.Context, f form.SignIn) {
 	}
 
 	if f.Remember {
-		days := 86400 * setting.LogInRememberDays
+		days := 86400 * setting.LoginRememberDays
 		ctx.SetCookie(setting.CookieUserName, u.Name, days, setting.AppSubUrl, "", setting.CookieSecure, true)
 		ctx.SetSuperSecureCookie(u.Rands+u.Passwd, setting.CookieRememberName, u.Name, days, setting.AppSubUrl, "", setting.CookieSecure, true)
 	}
@@ -133,6 +137,9 @@ func SignInPost(ctx *context.Context, f form.SignIn) {
 
 	// Clear whatever CSRF has right now, force to generate a new one
 	ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubUrl)
+	if setting.EnableLoginStatusCookie {
+		ctx.SetCookie(setting.LoginStatusCookieName, "true", 0, setting.AppSubUrl)
+	}
 
 	redirectTo, _ := url.QueryUnescape(ctx.GetCookie("redirect_to"))
 	ctx.SetCookie("redirect_to", "", -1, setting.AppSubUrl)