Hide RSS icon when viewing a file not under a branch (#36135) (#36141)

Backport #36135 by @lunny

Fix #35855

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/web/routemock.go

@@ -46,11 +46,15 @@ func RouterMockPoint(pointName string) func(next http.Handler) http.Handler {
 //
 // Then the mock function will be executed as a middleware at the mock point.
 // It only takes effect in testing mode (setting.IsInTesting == true).
-func RouteMock(pointName string, h any) {
+func RouteMock(pointName string, h any) func() {
 	if _, ok := routeMockPoints[pointName]; !ok {
 		panic("route mock point not found: " + pointName)
 	}
+	old := routeMockPoints[pointName]
 	routeMockPoints[pointName] = toHandlerProvider(h)
+	return func() {
+		routeMockPoints[pointName] = old
+	}
 }
 
 // RouteMockReset resets all mock points (no mock anymore)

modules/web/router.go

@@ -55,7 +55,7 @@ func NewRouter() *Router {
 // Use supports two middlewares
 func (r *Router) Use(middlewares ...any) {
 	for _, m := range middlewares {
-		if m != nil {
+		if !isNilOrFuncNil(m) {
 			r.chiRouter.Use(toHandlerProvider(m))
 		}
 	}

routers/common/middleware.go

@@ -71,8 +71,11 @@ func RequestContextHandler() func(h http.Handler) http.Handler {
 			req = req.WithContext(cache.WithCacheContext(ctx))
 			ds.SetContextValue(httplib.RequestContextKey, req)
 			ds.AddCleanUp(func() {
-				if req.MultipartForm != nil {
-					_ = req.MultipartForm.RemoveAll() // remove the temp files buffered to tmp directory
+				// The req in context might have changed due to the new req.WithContext calls
+				// For example: in NewBaseContext, a new "req" with context is created, and the multipart-form is parsed there.
+				ctxReq := ds.GetContextValue(httplib.RequestContextKey).(*http.Request)
+				if ctxReq.MultipartForm != nil {
+					_ = ctxReq.MultipartForm.RemoveAll() // remove the temp files buffered to tmp directory
 				}
 			})
 			next.ServeHTTP(respWriter, req)

routers/web/auth/oauth.go

@@ -277,8 +277,11 @@ type LinkAccountData struct {
 	GothUser     goth.User
 }
 
-func oauth2GetLinkAccountData(ctx *context.Context) *LinkAccountData {
+func init() {
 	gob.Register(LinkAccountData{})
+}
+
+func oauth2GetLinkAccountData(ctx *context.Context) *LinkAccountData {
 	v, ok := ctx.Session.Get("linkAccountData").(LinkAccountData)
 	if !ok {
 		return nil
@@ -287,7 +290,6 @@ func oauth2GetLinkAccountData(ctx *context.Context) *LinkAccountData {
 }
 
 func Oauth2SetLinkAccountData(ctx *context.Context, linkAccountData LinkAccountData) error {
-	gob.Register(LinkAccountData{})
 	return updateSession(ctx, nil, map[string]any{
 		"linkAccountData": linkAccountData,
 	})

routers/web/web.go

@@ -227,6 +227,8 @@ func ctxDataSet(args ...any) func(ctx *context.Context) {
 	}
 }
 
+const RouterMockPointBeforeWebRoutes = "before-web-routes"
+
 // Routes returns all web routes
 func Routes() *web.Router {
 	routes := web.NewRouter()
@@ -285,7 +287,7 @@ func Routes() *web.Router {
 
 	webRoutes := web.NewRouter()
 	webRoutes.Use(mid...)
-	webRoutes.Group("", func() { registerWebRoutes(webRoutes) }, common.BlockExpensive(), common.QoS())
+	webRoutes.Group("", func() { registerWebRoutes(webRoutes) }, common.BlockExpensive(), common.QoS(), web.RouterMockPoint(RouterMockPointBeforeWebRoutes))
 	routes.Mount("", webRoutes)
 	return routes
 }

services/context/base.go

@@ -43,8 +43,10 @@ type Base struct {
 	Locale translation.Locale
 }
 
+var ParseMultipartFormMaxMemory = int64(32 << 20)
+
 func (b *Base) ParseMultipartForm() bool {
-	err := b.Req.ParseMultipartForm(32 << 20)
+	err := b.Req.ParseMultipartForm(ParseMultipartFormMaxMemory)
 	if err != nil {
 		// TODO: all errors caused by client side should be ignored (connection closed).
 		if !errors.Is(err, io.EOF) && !errors.Is(err, io.ErrUnexpectedEOF) {

templates/repo/view_file.tmpl

@@ -62,7 +62,7 @@
 					{{if not .IsDisplayingSource}}data-raw-file-link="{{$.RawFileLink}}"{{end}}
 					data-tooltip-content="{{if .CanCopyContent}}{{ctx.Locale.Tr "copy_content"}}{{else}}{{ctx.Locale.Tr "copy_type_unsupported"}}{{end}}"
 				>{{svg "octicon-copy"}}</a>
-				{{if .EnableFeed}}
+				{{if and .EnableFeed .RefFullName.IsBranch}}
 				<a class="btn-octicon" href="{{$.RepoLink}}/rss/{{$.RefTypeNameSubURL}}/{{PathEscapeSegments .TreePath}}" data-tooltip-content="{{ctx.Locale.Tr "rss_feed"}}">
 					{{svg "octicon-rss"}}
 				</a>

tests/integration/attachment_test.go

@@ -7,17 +7,23 @@ import (
 	"bytes"
 	"image"
 	"image/png"
+	"io/fs"
 	"mime/multipart"
 	"net/http"
+	"os"
 	"strings"
 	"testing"
 
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/test"
+	"code.gitea.io/gitea/modules/web"
+	route_web "code.gitea.io/gitea/routers/web"
+	"code.gitea.io/gitea/services/context"
 	"code.gitea.io/gitea/tests"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func testGeneratePngBytes() []byte {
@@ -52,14 +58,38 @@ func testCreateIssueAttachment(t *testing.T, session *TestSession, csrf, repoURL
 	return obj["uuid"]
 }
 
-func TestCreateAnonymousAttachment(t *testing.T) {
+func TestAttachments(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
+	t.Run("CreateAnonymousAttachment", testCreateAnonymousAttachment)
+	t.Run("CreateUser2IssueAttachment", testCreateUser2IssueAttachment)
+	t.Run("UploadAttachmentDeleteTemp", testUploadAttachmentDeleteTemp)
+	t.Run("GetAttachment", testGetAttachment)
+}
+
+func testUploadAttachmentDeleteTemp(t *testing.T) {
+	session := loginUser(t, "user2")
+	countTmpFile := func() int {
+		// TODO: GOLANG-HTTP-TMPDIR: Golang saves the uploaded file to os.TempDir() when it exceeds the max memory limit.
+		files, err := fs.Glob(os.DirFS(os.TempDir()), "multipart-*") //nolint:usetesting // Golang's "http" package's behavior
+		require.NoError(t, err)
+		return len(files)
+	}
+	var tmpFileCountDuringUpload int
+	defer test.MockVariableValue(&context.ParseMultipartFormMaxMemory, 1)()
+	defer web.RouteMock(route_web.RouterMockPointBeforeWebRoutes, func(resp http.ResponseWriter, req *http.Request) {
+		tmpFileCountDuringUpload = countTmpFile()
+	})()
+	_ = testCreateIssueAttachment(t, session, GetUserCSRFToken(t, session), "user2/repo1", "image.png", testGeneratePngBytes(), http.StatusOK)
+	assert.Equal(t, 1, tmpFileCountDuringUpload, "the temp file should exist when uploaded size exceeds the parse form's max memory")
+	assert.Equal(t, 0, countTmpFile(), "the temp file should be deleted after upload")
+}
+
+func testCreateAnonymousAttachment(t *testing.T) {
 	session := emptyTestSession(t)
 	testCreateIssueAttachment(t, session, GetAnonymousCSRFToken(t, session), "user2/repo1", "image.png", testGeneratePngBytes(), http.StatusSeeOther)
 }
 
-func TestCreateIssueAttachment(t *testing.T) {
-	defer tests.PrepareTestEnv(t)()
+func testCreateUser2IssueAttachment(t *testing.T) {
 	const repoURL = "user2/repo1"
 	session := loginUser(t, "user2")
 	uuid := testCreateIssueAttachment(t, session, GetUserCSRFToken(t, session), repoURL, "image.png", testGeneratePngBytes(), http.StatusOK)
@@ -90,8 +120,7 @@ func TestCreateIssueAttachment(t *testing.T) {
 	MakeRequest(t, req, http.StatusOK)
 }
 
-func TestGetAttachment(t *testing.T) {
-	defer tests.PrepareTestEnv(t)()
+func testGetAttachment(t *testing.T) {
 	adminSession := loginUser(t, "user1")
 	user2Session := loginUser(t, "user2")
 	user8Session := loginUser(t, "user8")

web_src/css/base.css

@@ -39,6 +39,8 @@
 
   --gap-inline: 0.25rem; /* gap for inline texts and elements, for example: the spaces for sentence with labels, button text, etc */
   --gap-block: 0.5rem; /* gap for element blocks, for example: spaces between buttons, menu image & title, header icon & title etc */
+
+  --background-view-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAG0lEQVQYlWN4+vTpf3SMDTAMBYXYBLFpHgoKAeiOf0SGE9kbAAAAAElFTkSuQmCC") right bottom var(--color-primary-light-7);
 }
 
 @media (min-width: 768px) and (max-width: 1200px) {

web_src/css/features/imagediff.css

@@ -13,7 +13,7 @@
 
 .image-diff-container img {
   border: 1px solid var(--color-primary-light-7);
-  background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAG0lEQVQYlWN4+vTpf3SMDTAMBYXYBLFpHgoKAeiOf0SGE9kbAAAAAElFTkSuQmCC") right bottom var(--color-primary-light-7);
+  background: var(--background-view-image);
 }
 
 .image-diff-container .before-container {

web_src/css/repo/file-view.css

@@ -81,6 +81,7 @@
 .view-raw img[src$=".svg" i] {
   max-height: 600px !important;
   max-width: 600px !important;
+  background: var(--background-view-image);
 }
 
 .file-view-render-container {

web_src/js/features/imagediff.ts

@@ -38,14 +38,14 @@ function getDefaultSvgBoundsIfUndefined(text: string, src: string) {
   return null;
 }
 
-function createContext(imageAfter: HTMLImageElement, imageBefore: HTMLImageElement) {
+function createContext(imageAfter: HTMLImageElement, imageBefore: HTMLImageElement, svgBoundsInfo: any) {
   const sizeAfter = {
-    width: imageAfter?.width || 0,
-    height: imageAfter?.height || 0,
+    width: svgBoundsInfo.after?.width || imageAfter?.width || 0,
+    height: svgBoundsInfo.after?.height || imageAfter?.height || 0,
   };
   const sizeBefore = {
-    width: imageBefore?.width || 0,
-    height: imageBefore?.height || 0,
+    width: svgBoundsInfo.before?.width || imageBefore?.width || 0,
+    height: svgBoundsInfo.before?.height || imageBefore?.height || 0,
   };
   const maxSize = {
     width: Math.max(sizeBefore.width, sizeAfter.width),
@@ -92,7 +92,8 @@ class ImageDiff {
       boundsInfo: containerEl.querySelector('.bounds-info-before'),
     }];
 
-    await Promise.all(imageInfos.map(async (info) => {
+    const svgBoundsInfo: any = {before: null, after: null};
+    await Promise.all(imageInfos.map(async (info, index) => {
       const [success] = await Promise.all(Array.from(info.images, (img) => {
         return loadElem(img, info.path);
       }));
@@ -102,11 +103,8 @@ class ImageDiff {
         const resp = await GET(info.path);
         const text = await resp.text();
         const bounds = getDefaultSvgBoundsIfUndefined(text, info.path);
+        svgBoundsInfo[index === 0 ? 'after' : 'before'] = bounds;
         if (bounds) {
-          for (const el of info.images) {
-            el.setAttribute('width', String(bounds.width));
-            el.setAttribute('height', String(bounds.height));
-          }
           hideElem(info.boundsInfo);
         }
       }
@@ -115,10 +113,10 @@ class ImageDiff {
     const imagesAfter = imageInfos[0].images;
     const imagesBefore = imageInfos[1].images;
 
-    this.initSideBySide(createContext(imagesAfter[0], imagesBefore[0]));
+    this.initSideBySide(createContext(imagesAfter[0], imagesBefore[0], svgBoundsInfo));
     if (imagesAfter.length > 0 && imagesBefore.length > 0) {
-      this.initSwipe(createContext(imagesAfter[1], imagesBefore[1]));
-      this.initOverlay(createContext(imagesAfter[2], imagesBefore[2]));
+      this.initSwipe(createContext(imagesAfter[1], imagesBefore[1], svgBoundsInfo));
+      this.initOverlay(createContext(imagesAfter[2], imagesBefore[2], svgBoundsInfo));
     }
     queryElemChildren(containerEl, '.image-diff-tabs', (el) => el.classList.remove('is-loading'));
   }