Customizable "Open with" applications for repository clone (#29320)

Users could customize the "clone" menu with their own application URLs on the admin panel.

Replace #22378
Close #21121
Close #22149

modules/context/context.go

@@ -192,6 +192,7 @@ func Contexter() func(next http.Handler) http.Handler {
 			httpcache.SetCacheControlInHeader(ctx.Resp.Header(), 0, "no-transform")
 			ctx.Resp.Header().Set(`X-Frame-Options`, setting.CORSConfig.XFrameOptions)
 
+			ctx.Data["SystemConfig"] = setting.Config()
 			ctx.Data["CsrfToken"] = ctx.Csrf.GetToken()
 			ctx.Data["CsrfTokenHtml"] = template.HTML(`<input type="hidden" name="_csrf" value="` + ctx.Data["CsrfToken"].(string) + `">`)
 

modules/setting/config.go

@@ -15,8 +15,45 @@ type PictureStruct struct {
 	EnableFederatedAvatar *config.Value[bool]
 }
 
+type OpenWithEditorApp struct {
+	DisplayName string
+	OpenURL     string
+}
+
+type OpenWithEditorAppsType []OpenWithEditorApp
+
+func (t OpenWithEditorAppsType) ToTextareaString() string {
+	ret := ""
+	for _, app := range t {
+		ret += app.DisplayName + " = " + app.OpenURL + "\n"
+	}
+	return ret
+}
+
+func DefaultOpenWithEditorApps() OpenWithEditorAppsType {
+	return OpenWithEditorAppsType{
+		{
+			DisplayName: "VS Code",
+			OpenURL:     "vscode://vscode.git/clone?url={url}",
+		},
+		{
+			DisplayName: "VSCodium",
+			OpenURL:     "vscodium://vscode.git/clone?url={url}",
+		},
+		{
+			DisplayName: "Intellij IDEA",
+			OpenURL:     "jetbrains://idea/checkout/git?idea.required.plugins.id=Git4Idea&checkout.repo={url}",
+		},
+	}
+}
+
+type RepositoryStruct struct {
+	OpenWithEditorApps *config.Value[OpenWithEditorAppsType]
+}
+
 type ConfigStruct struct {
-	Picture *PictureStruct
+	Picture    *PictureStruct
+	Repository *RepositoryStruct
 }
 
 var (
@@ -28,8 +65,11 @@ func initDefaultConfig() {
 	config.SetCfgSecKeyGetter(&cfgSecKeyGetter{})
 	defaultConfig = &ConfigStruct{
 		Picture: &PictureStruct{
-			DisableGravatar:       config.Bool(false, config.CfgSecKey{Sec: "picture", Key: "DISABLE_GRAVATAR"}, "picture.disable_gravatar"),
-			EnableFederatedAvatar: config.Bool(false, config.CfgSecKey{Sec: "picture", Key: "ENABLE_FEDERATED_AVATAR"}, "picture.enable_federated_avatar"),
+			DisableGravatar:       config.ValueJSON[bool]("picture.disable_gravatar").WithFileConfig(config.CfgSecKey{Sec: "picture", Key: "DISABLE_GRAVATAR"}),
+			EnableFederatedAvatar: config.ValueJSON[bool]("picture.enable_federated_avatar").WithFileConfig(config.CfgSecKey{Sec: "picture", Key: "ENABLE_FEDERATED_AVATAR"}),
+		},
+		Repository: &RepositoryStruct{
+			OpenWithEditorApps: config.ValueJSON[OpenWithEditorAppsType]("repository.open-with.editor-apps"),
 		},
 	}
 }
@@ -42,6 +82,9 @@ func Config() *ConfigStruct {
 type cfgSecKeyGetter struct{}
 
 func (c cfgSecKeyGetter) GetValue(sec, key string) (v string, has bool) {
+	if key == "" {
+		return "", false
+	}
 	cfgSec, err := CfgProvider.GetSection(sec)
 	if err != nil {
 		log.Error("Unable to get config section: %q", sec)

modules/setting/config/value.go

@@ -5,8 +5,11 @@ package config
 
 import (
 	"context"
-	"strconv"
 	"sync"
+
+	"code.gitea.io/gitea/modules/json"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/util"
 )
 
 type CfgSecKey struct {
@@ -23,14 +26,14 @@ type Value[T any] struct {
 	revision   int
 }
 
-func (value *Value[T]) parse(s string) (v T) {
-	switch any(v).(type) {
-	case bool:
-		b, _ := strconv.ParseBool(s)
-		return any(b).(T)
-	default:
-		panic("unsupported config type, please complete the code")
+func (value *Value[T]) parse(key, valStr string) (v T) {
+	v = value.def
+	if valStr != "" {
+		if err := json.Unmarshal(util.UnsafeStringToBytes(valStr), &v); err != nil {
+			log.Error("Unable to unmarshal json config for key %q, err: %v", key, err)
+		}
 	}
+	return v
 }
 
 func (value *Value[T]) Value(ctx context.Context) (v T) {
@@ -62,7 +65,7 @@ func (value *Value[T]) Value(ctx context.Context) (v T) {
 	if valStr == nil {
 		v = value.def
 	} else {
-		v = value.parse(*valStr)
+		v = value.parse(value.dynKey, *valStr)
 	}
 
 	value.mu.Lock()
@@ -76,6 +79,16 @@ func (value *Value[T]) DynKey() string {
 	return value.dynKey
 }
 
-func Bool(def bool, cfgSecKey CfgSecKey, dynKey string) *Value[bool] {
-	return &Value[bool]{def: def, cfgSecKey: cfgSecKey, dynKey: dynKey}
+func (value *Value[T]) WithDefault(def T) *Value[T] {
+	value.def = def
+	return value
+}
+
+func (value *Value[T]) WithFileConfig(cfgSecKey CfgSecKey) *Value[T] {
+	value.cfgSecKey = cfgSecKey
+	return value
+}
+
+func ValueJSON[T any](dynKey string) *Value[T] {
+	return &Value[T]{dynKey: dynKey}
 }