Protected tag is no internal server error (go-gitea#30962)

Fixes go-gitea#30959

Adds an API test for protected tags.
Fix existing tag in combination with fixtures.

models/fixtures/protected_tag.yml

@@ -0,0 +1,24 @@
+-
+  id: 1
+  repo_id: 4
+  name_pattern: /v.+/
+  allowlist_user_i_ds: []
+  allowlist_team_i_ds: []
+  created_unix: 1715596037
+  updated_unix: 1715596037
+-
+  id: 2
+  repo_id: 1
+  name_pattern: v-*
+  allowlist_user_i_ds: []
+  allowlist_team_i_ds: []
+  created_unix: 1715596037
+  updated_unix: 1715596037
+-
+  id: 3
+  repo_id: 1
+  name_pattern: v-1.1
+  allowlist_user_i_ds: [2]
+  allowlist_team_i_ds: []
+  created_unix: 1715596037
+  updated_unix: 1715596037

routers/api/v1/repo/release.go

@@ -215,6 +215,9 @@ func CreateRelease(ctx *context.APIContext) {
 	//     "$ref": "#/responses/notFound"
 	//   "409":
 	//     "$ref": "#/responses/error"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
+
 	form := web.GetForm(ctx).(*api.CreateReleaseOption)
 	if ctx.Repo.Repository.IsEmpty {
 		ctx.Error(http.StatusUnprocessableEntity, "RepoIsEmpty", fmt.Errorf("repo is empty"))
@@ -246,6 +249,8 @@ func CreateRelease(ctx *context.APIContext) {
 		if err := release_service.CreateRelease(ctx.Repo.GitRepo, rel, nil, ""); err != nil {
 			if repo_model.IsErrReleaseAlreadyExist(err) {
 				ctx.Error(http.StatusConflict, "ReleaseAlreadyExist", err)
+			} else if models.IsErrProtectedTagName(err) {
+				ctx.Error(http.StatusUnprocessableEntity, "ProtectedTagName", err)
 			} else {
 				ctx.Error(http.StatusInternalServerError, "CreateRelease", err)
 			}
@@ -386,8 +391,8 @@ func DeleteRelease(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	//   "404":
 	//     "$ref": "#/responses/notFound"
-	//   "405":
-	//     "$ref": "#/responses/empty"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
 
 	id := ctx.ParamsInt64(":id")
 	rel, err := repo_model.GetReleaseForRepoByID(ctx, ctx.Repo.Repository.ID, id)
@@ -401,7 +406,7 @@ func DeleteRelease(ctx *context.APIContext) {
 	}
 	if err := release_service.DeleteReleaseByID(ctx, ctx.Repo.Repository, rel, ctx.Doer, false); err != nil {
 		if models.IsErrProtectedTagName(err) {
-			ctx.Error(http.StatusMethodNotAllowed, "delTag", "user not allowed to delete protected tag")
+			ctx.Error(http.StatusUnprocessableEntity, "delTag", "user not allowed to delete protected tag")
 			return
 		}
 		ctx.Error(http.StatusInternalServerError, "DeleteReleaseByID", err)

routers/api/v1/repo/release_tags.go

@@ -92,8 +92,8 @@ func DeleteReleaseByTag(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	//   "404":
 	//     "$ref": "#/responses/notFound"
-	//   "405":
-	//     "$ref": "#/responses/empty"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
 
 	tag := ctx.Params(":tag")
 
@@ -114,7 +114,7 @@ func DeleteReleaseByTag(ctx *context.APIContext) {
 
 	if err = releaseservice.DeleteReleaseByID(ctx, ctx.Repo.Repository, release, ctx.Doer, false); err != nil {
 		if models.IsErrProtectedTagName(err) {
-			ctx.Error(http.StatusMethodNotAllowed, "delTag", "user not allowed to delete protected tag")
+			ctx.Error(http.StatusUnprocessableEntity, "delTag", "user not allowed to delete protected tag")
 			return
 		}
 		ctx.Error(http.StatusInternalServerError, "DeleteReleaseByID", err)

routers/api/v1/repo/tag.go

@@ -184,6 +184,8 @@ func CreateTag(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	//   "409":
 	//     "$ref": "#/responses/conflict"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
 	//   "423":
 	//     "$ref": "#/responses/repoArchivedError"
 	form := web.GetForm(ctx).(*api.CreateTagOption)
@@ -205,7 +207,7 @@ func CreateTag(ctx *context.APIContext) {
 			return
 		}
 		if models.IsErrProtectedTagName(err) {
-			ctx.Error(http.StatusMethodNotAllowed, "CreateNewTag", "user not allowed to create protected tag")
+			ctx.Error(http.StatusUnprocessableEntity, "CreateNewTag", "user not allowed to create protected tag")
 			return
 		}
 
@@ -253,6 +255,8 @@ func DeleteTag(ctx *context.APIContext) {
 	//     "$ref": "#/responses/empty"
 	//   "409":
 	//     "$ref": "#/responses/conflict"
+	//   "422":
+	//     "$ref": "#/responses/validationError"
 	//   "423":
 	//     "$ref": "#/responses/repoArchivedError"
 	tagName := ctx.Params("*")
@@ -274,7 +278,7 @@ func DeleteTag(ctx *context.APIContext) {
 
 	if err = releaseservice.DeleteReleaseByID(ctx, ctx.Repo.Repository, tag, ctx.Doer, true); err != nil {
 		if models.IsErrProtectedTagName(err) {
-			ctx.Error(http.StatusMethodNotAllowed, "delTag", "user not allowed to delete protected tag")
+			ctx.Error(http.StatusUnprocessableEntity, "delTag", "user not allowed to delete protected tag")
 			return
 		}
 		ctx.Error(http.StatusInternalServerError, "DeleteReleaseByID", err)

tests/integration/api_releases_test.go

@@ -154,6 +154,31 @@ func TestAPICreateAndUpdateRelease(t *testing.T) {
 	assert.EqualValues(t, rel.Note, newRelease.Note)
 }
 
+func TestAPICreateProtectedTagRelease(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 4})
+	writer := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
+	session := loginUser(t, writer.LowerName)
+	token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository)
+
+	gitRepo, err := gitrepo.OpenRepository(git.DefaultContext, repo)
+	assert.NoError(t, err)
+	defer gitRepo.Close()
+
+	commit, err := gitRepo.GetBranchCommit("master")
+	assert.NoError(t, err)
+
+	req := NewRequestWithJSON(t, "POST", fmt.Sprintf("/api/v1/repos/%s/%s/releases", repo.OwnerName, repo.Name), &api.CreateReleaseOption{
+		TagName:      "v0.0.1",
+		Title:        "v0.0.1",
+		IsDraft:      false,
+		IsPrerelease: false,
+		Target:       commit.ID.String(),
+	}).AddTokenAuth(token)
+	MakeRequest(t, req, http.StatusUnprocessableEntity)
+}
+
 func TestAPICreateReleaseToDefaultBranch(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 

tests/integration/repo_tag_test.go

@@ -26,22 +26,10 @@ func TestCreateNewTagProtected(t *testing.T) {
 	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
 	owner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
 
-	t.Run("API", func(t *testing.T) {
+	t.Run("Code", func(t *testing.T) {
 		defer tests.PrintCurrentTest(t)()
 
-		err := release.CreateNewTag(git.DefaultContext, owner, repo, "master", "v-1", "first tag")
-		assert.NoError(t, err)
-
-		err = git_model.InsertProtectedTag(db.DefaultContext, &git_model.ProtectedTag{
-			RepoID:      repo.ID,
-			NamePattern: "v-*",
-		})
-		assert.NoError(t, err)
-		err = git_model.InsertProtectedTag(db.DefaultContext, &git_model.ProtectedTag{
-			RepoID:           repo.ID,
-			NamePattern:      "v-1.1",
-			AllowlistUserIDs: []int64{repo.OwnerID},
-		})
+		err := release.CreateNewTag(git.DefaultContext, owner, repo, "master", "t-first", "first tag")
 		assert.NoError(t, err)
 
 		err = release.CreateNewTag(git.DefaultContext, owner, repo, "master", "v-2", "second tag")
@@ -54,13 +42,12 @@ func TestCreateNewTagProtected(t *testing.T) {
 
 	t.Run("Git", func(t *testing.T) {
 		onGiteaRun(t, func(t *testing.T, u *url.URL) {
-			username := "user2"
-			httpContext := NewAPITestContext(t, username, "repo1")
+			httpContext := NewAPITestContext(t, owner.Name, repo.Name)
 
 			dstPath := t.TempDir()
 
 			u.Path = httpContext.GitPath()
-			u.User = url.UserPassword(username, userPassword)
+			u.User = url.UserPassword(owner.Name, userPassword)
 
 			doGitClone(dstPath, u)(t)