Allow custom redirect for landing page

custom/conf/app.example.ini

@@ -237,10 +237,13 @@ RUN_MODE = ; prod
 ;; PPROF_DATA_PATH, use an absolute path when you start gitea as service
 ;PPROF_DATA_PATH = data/tmp/pprof
 ;;
-;; Landing page, can be "home", "explore", "organizations" or "login"
+;; Landing page, can be "home", "explore", "organizations", "login", or "custom"
 ;; The "login" choice is not a security measure but just a UI flow change, use REQUIRE_SIGNIN_VIEW to force users to log in.
 ;LANDING_PAGE = home
 ;;
+;; URL for landing page redirect if `LANDING_PAGE` is set to `custom`
+;LANDING_PAGE_CUSTOM =
+;;
 ;; Enables git-lfs support. true or false, default is false.
 ;LFS_START_SERVER = false
 ;;

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -300,7 +300,8 @@ The following configuration set `Content-Type: application/vnd.android.package-a
 - `ENABLE_GZIP`: **false**: Enable gzip compression for runtime-generated content, static resources excluded.
 - `ENABLE_PPROF`: **false**: Application profiling (memory and cpu). For "web" command it listens on localhost:6060. For "serv" command it dumps to disk at `PPROF_DATA_PATH` as `(cpuprofile|memprofile)_<username>_<temporary id>`
 - `PPROF_DATA_PATH`: **data/tmp/pprof**: `PPROF_DATA_PATH`, use an absolute path when you start Gitea as service
-- `LANDING_PAGE`: **home**: Landing page for unauthenticated users \[home, explore, organizations, login\].
+- `LANDING_PAGE`: **home**: Landing page for unauthenticated users \[home, explore, organizations, login, custom\].
+- `LANDING_PAGE_CUSTOM`: ****: If `LANDING_PAGE` is set to `custom`, this is the URL for the custom landing page redirect.
 
 - `LFS_START_SERVER`: **false**: Enables Git LFS support.
 - `LFS_CONTENT_PATH`: **%(APP_DATA_PATH)/lfs**: Default LFS content path. (if it is on local storage.) **DEPRECATED** use settings in `[lfs]`.

modules/setting/setting.go

@@ -106,6 +106,7 @@ var (
 	StaticCacheTime      time.Duration
 	EnableGzip           bool
 	LandingPageURL       LandingPage
+	LandingPageCustom    string
 	UnixSocketPermission uint32
 	EnablePprof          bool
 	PprofDataPath        string
@@ -776,15 +777,19 @@ func loadFromConf(allowEmpty bool, extraConfig string) {
 		PprofDataPath = filepath.Join(AppWorkPath, PprofDataPath)
 	}
 
+	LandingPageURL = LandingPageHome
 	switch sec.Key("LANDING_PAGE").MustString("home") {
 	case "explore":
 		LandingPageURL = LandingPageExplore
 	case "organizations":
 		LandingPageURL = LandingPageOrganizations
 	case "login":
 		LandingPageURL = LandingPageLogin
-	default:
-		LandingPageURL = LandingPageHome
+	case "custom":
+		customUrl := LandingPage(sec.Key("LANDING_PAGE_CUSTOM").MustString(""))
+		if customUrl != "" {
+			LandingPageURL = customUrl
+		}
 	}
 
 	if len(SSH.Domain) == 0 {