Fix a bug when uploading file via lfs ssh command (#34408)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/git/cmdverb.go

@@ -0,0 +1,36 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+const (
+	CmdVerbUploadPack      = "git-upload-pack"
+	CmdVerbUploadArchive   = "git-upload-archive"
+	CmdVerbReceivePack     = "git-receive-pack"
+	CmdVerbLfsAuthenticate = "git-lfs-authenticate"
+	CmdVerbLfsTransfer     = "git-lfs-transfer"
+
+	CmdSubVerbLfsUpload   = "upload"
+	CmdSubVerbLfsDownload = "download"
+)
+
+func IsAllowedVerbForServe(verb string) bool {
+	switch verb {
+	case CmdVerbUploadPack,
+		CmdVerbUploadArchive,
+		CmdVerbReceivePack,
+		CmdVerbLfsAuthenticate,
+		CmdVerbLfsTransfer:
+		return true
+	}
+	return false
+}
+
+func IsAllowedVerbForServeLfs(verb string) bool {
+	switch verb {
+	case CmdVerbLfsAuthenticate,
+		CmdVerbLfsTransfer:
+		return true
+	}
+	return false
+}

modules/private/serv.go

@@ -46,18 +46,16 @@ type ServCommandResults struct {
 }
 
 // ServCommand preps for a serv call
-func ServCommand(ctx context.Context, keyID int64, ownerName, repoName string, mode perm.AccessMode, verbs ...string) (*ServCommandResults, ResponseExtra) {
+func ServCommand(ctx context.Context, keyID int64, ownerName, repoName string, mode perm.AccessMode, verb, lfsVerb string) (*ServCommandResults, ResponseExtra) {
 	reqURL := setting.LocalURL + fmt.Sprintf("api/internal/serv/command/%d/%s/%s?mode=%d",
 		keyID,
 		url.PathEscape(ownerName),
 		url.PathEscape(repoName),
 		mode,
 	)
-	for _, verb := range verbs {
-		if verb != "" {
-			reqURL += "&verb=" + url.QueryEscape(verb)
-		}
-	}
+	reqURL += "&verb=" + url.QueryEscape(verb)
+	// reqURL += "&lfs_verb=" + url.QueryEscape(lfsVerb) // TODO: actually there is no use of this parameter. In the future, the URL construction should be more flexible
+	_ = lfsVerb
 	req := newInternalRequestAPI(ctx, reqURL, "GET")
 	return requestJSONResp(req, &ServCommandResults{})
 }