Support "." char as user name for User/Orgs in RSS/ATOM/GPG/KEYS path ... (#23874)

- close #22301

workaround for https://github.com/go-chi/chi/issues/781

models/fixtures/action.yml

@@ -64,3 +64,12 @@
   repo_id: 1700 # dangling intentional
   is_private: false
   created_unix: 1603011541
+
+- id: 9
+  user_id: 34
+  op_type: 12 # close issue
+  act_user_id: 34
+  repo_id: 1 # public
+  is_private: false
+  created_unix: 1680454039
+  content: '4|' # issueId 5

models/fixtures/user.yml

@@ -1220,3 +1220,41 @@
   repo_admin_change_team_access: false
   theme: ""
   keep_activity_private: false
+
+-
+  id: 34
+  lower_name: the_34-user.with.all.allowedchars
+  name: the_34-user.with.all.allowedChars
+  full_name: the_1-user.with.all.allowedChars
+  description: 'some [commonmark](https://commonmark.org/)!'
+  email: user34@example.com
+  keep_email_private: false
+  email_notifications_preference: enabled
+  passwd: ZogKvWdyEx:password
+  passwd_hash_algo: dummy
+  must_change_password: false
+  login_source: 0
+  login_name: the_34-user.with.all.allowedchars
+  type: 0
+  salt: ZogKvWdyEx
+  max_repo_creation: -1
+  is_active: true
+  is_admin: false
+  is_restricted: false
+  allow_git_hook: false
+  allow_import_local: false
+  allow_create_organization: false
+  prohibit_login: false
+  avatar: avatar34
+  avatar_email: user34@example.com
+  use_custom_avatar: true
+  num_followers: 0
+  num_following: 0
+  num_stars: 0
+  num_repos: 0
+  num_teams: 0
+  num_members: 0
+  visibility: 0
+  repo_admin_change_team_access: false
+  theme: ""
+  keep_activity_private: false

models/user/user_test.go

@@ -99,13 +99,13 @@ func TestSearchUsers(t *testing.T) {
 	}
 
 	testUserSuccess(&user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}},
-		[]int64{1, 2, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32})
+		[]int64{1, 2, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 34})
 
 	testUserSuccess(&user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsActive: util.OptionalBoolFalse},
 		[]int64{9})
 
 	testUserSuccess(&user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}, IsActive: util.OptionalBoolTrue},
-		[]int64{1, 2, 4, 5, 8, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32})
+		[]int64{1, 2, 4, 5, 8, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 34})
 
 	testUserSuccess(&user_model.SearchUserOptions{Keyword: "user1", OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}, IsActive: util.OptionalBoolTrue},
 		[]int64{1, 10, 11, 12, 13, 14, 15, 16, 18})

routers/web/web.go

@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"strings"
 
 	"code.gitea.io/gitea/models/perm"
 	"code.gitea.io/gitea/models/unit"
@@ -673,16 +674,47 @@ func RegisterRoutes(m *web.Route) {
 			})
 			http.ServeFile(ctx.Resp, ctx.Req, path.Join(setting.StaticRootPath, "public/img/favicon.png"))
 		})
-		m.Group("/{username}", func() {
-			m.Get(".png", user.AvatarByUserName)
-			m.Get(".keys", user.ShowSSHKeys)
-			m.Get(".gpg", user.ShowGPGKeys)
-			m.Get(".rss", feedEnabled, feed.ShowUserFeedRSS)
-			m.Get(".atom", feedEnabled, feed.ShowUserFeedAtom)
-			m.Get("", user.Profile)
-		}, func(ctx *context.Context) {
+		m.Get("/{username}", func(ctx *context.Context) {
+			// WORKAROUND to support usernames with "." in it
+			// https://github.com/go-chi/chi/issues/781
+			username := ctx.Params("username")
+			reloadParam := func(suffix string) (success bool) {
+				ctx.SetParams("username", strings.TrimSuffix(username, suffix))
+				context_service.UserAssignmentWeb()(ctx)
+				return !ctx.Written()
+			}
+			switch {
+			case strings.HasSuffix(username, ".png"):
+				if reloadParam(".png") {
+					user.AvatarByUserName(ctx)
+				}
+			case strings.HasSuffix(username, ".keys"):
+				if reloadParam(".keys") {
+					user.ShowSSHKeys(ctx)
+				}
+			case strings.HasSuffix(username, ".gpg"):
+				if reloadParam(".gpg") {
+					user.ShowGPGKeys(ctx)
+				}
+			case strings.HasSuffix(username, ".rss"):
+				feedEnabled(ctx)
+				if !ctx.Written() && reloadParam(".rss") {
+					context_service.UserAssignmentWeb()(ctx)
+					feed.ShowUserFeedRSS(ctx)
+				}
+			case strings.HasSuffix(username, ".atom"):
+				feedEnabled(ctx)
+				if !ctx.Written() && reloadParam(".atom") {
+					feed.ShowUserFeedAtom(ctx)
+				}
+			default:
+				context_service.UserAssignmentWeb()(ctx)
+				if !ctx.Written() {
 					ctx.Data["EnableFeed"] = setting.EnableFeed
-		}, context_service.UserAssignmentWeb())
+					user.Profile(ctx)
+				}
+			}
+		})
 		m.Get("/attachments/{uuid}", repo.GetAttachment)
 	}, ignSignIn)
 

tests/integration/api_nodeinfo_test.go

@@ -33,7 +33,7 @@ func TestNodeinfo(t *testing.T) {
 		DecodeJSON(t, resp, &nodeinfo)
 		assert.True(t, nodeinfo.OpenRegistrations)
 		assert.Equal(t, "gitea", nodeinfo.Software.Name)
-		assert.Equal(t, 24, nodeinfo.Usage.Users.Total)
+		assert.Equal(t, 25, nodeinfo.Usage.Users.Total)
 		assert.Equal(t, 18, nodeinfo.Usage.LocalPosts)
 		assert.Equal(t, 2, nodeinfo.Usage.LocalComments)
 	})

tests/integration/setting_test.go

@@ -25,7 +25,7 @@ func TestSettingShowUserEmailExplore(t *testing.T) {
 	htmlDoc := NewHTMLParser(t, resp.Body)
 	assert.Contains(t,
 		htmlDoc.doc.Find(".ui.user.list").Text(),
-		"user4@example.com",
+		"user34@example.com",
 	)
 
 	setting.UI.ShowUserEmail = false
@@ -35,7 +35,7 @@ func TestSettingShowUserEmailExplore(t *testing.T) {
 	htmlDoc = NewHTMLParser(t, resp.Body)
 	assert.NotContains(t,
 		htmlDoc.doc.Find(".ui.user.list").Text(),
-		"user4@example.com",
+		"user34@example.com",
 	)
 
 	setting.UI.ShowUserEmail = showUserEmail

tests/integration/user_test.go

@@ -241,6 +241,19 @@ func testExportUserGPGKeys(t *testing.T, user, expected string) {
 	assert.Equal(t, expected, resp.Body.String())
 }
 
+func TestGetUserRss(t *testing.T) {
+	user34 := "the_34-user.with.all.allowedChars"
+	req := NewRequestf(t, "GET", "/%s.rss", user34)
+	resp := MakeRequest(t, req, http.StatusOK)
+	if assert.EqualValues(t, "application/rss+xml;charset=utf-8", resp.Header().Get("Content-Type")) {
+		rssDoc := NewHTMLParser(t, resp.Body).Find("channel")
+		title, _ := rssDoc.ChildrenFiltered("title").Html()
+		assert.EqualValues(t, "Feed of "the_1-user.with.all.allowedChars"", title)
+		description, _ := rssDoc.ChildrenFiltered("description").Html()
+		assert.EqualValues(t, "<p>some <a href="https://commonmark.org/" rel="nofollow">commonmark</a>!</p>\n", description)
+	}
+}
+
 func TestListStopWatches(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()