Merge branch 'sh-fix-hash-filename-handling' into 'master'

Fix handling of filenames with hash characters in tree view

Closes #54473

See merge request gitlab-org/gitlab-ce!23368

(cherry picked from commit 5d82035f623fd910c010c30b97112c46218430d4)

e8da70e6 Fix handling of filenames with hash characters in tree view

3 files changed, 35 insertions, 2 deletions

diff --git a/app/helpers/tree_helper.rb b/app/helpers/tree_helper.rb
index 78a11616d4c..e2879bfdcf1 100644
--- a/app/helpers/tree_helper.rb
+++ b/app/helpers/tree_helper.rb
@@ -37,13 +37,13 @@ module TreeHelper
   # Using Rails `*_path` methods can be slow, especially when generating
   # many paths, as with a repository tree that has thousands of items.
   def fast_project_blob_path(project, blob_path)
-    Addressable::URI.escape(
+    ActionDispatch::Journey::Router::Utils.escape_path(
       File.join(relative_url_root, project.path_with_namespace, 'blob', blob_path)
     )
   end
 
   def fast_project_tree_path(project, tree_path)
-    Addressable::URI.escape(
+    ActionDispatch::Journey::Router::Utils.escape_path(
       File.join(relative_url_root, project.path_with_namespace, 'tree', tree_path)
     )
   end
diff --git a/changelogs/unreleased/sh-fix-hash-filename-handling.yml b/changelogs/unreleased/sh-fix-hash-filename-handling.yml
new file mode 100644
index 00000000000..cb32051a4ab
--- /dev/null
+++ b/changelogs/unreleased/sh-fix-hash-filename-handling.yml
@@ -0,0 +1,5 @@
+---
+title: Fix handling of filenames with hash characters in tree view
+merge_request: 23368
+author:
+type: fixed
diff --git a/spec/helpers/tree_helper_spec.rb b/spec/helpers/tree_helper_spec.rb
index ab4566e261b..4a62e696cd9 100644
--- a/spec/helpers/tree_helper_spec.rb
+++ b/spec/helpers/tree_helper_spec.rb
@@ -5,6 +5,16 @@ describe TreeHelper do
   let(:repository) { project.repository }
   let(:sha) { 'c1c67abbaf91f624347bb3ae96eabe3a1b742478' }
 
+  def create_file(filename)
+    project.repository.create_file(
+      project.creator,
+      filename,
+      'test this',
+      message: "Automatically created file #{filename}",
+      branch_name: 'master'
+    )
+  end
+
   describe '.render_tree' do
     before do
       @id = sha
@@ -57,6 +67,15 @@ describe TreeHelper do
 
       expect(fast_path).to start_with('/gitlab/root')
     end
+
+    it 'encodes files starting with #' do
+      filename = '#test-file'
+      create_file(filename)
+
+      fast_path = fast_project_blob_path(project, filename)
+
+      expect(fast_path).to end_with('%23test-file')
+    end
   end
 
   describe '.fast_project_tree_path' do
@@ -73,6 +92,15 @@ describe TreeHelper do
 
       expect(fast_path).to start_with('/gitlab/root')
     end
+
+    it 'encodes files starting with #' do
+      filename = '#test-file'
+      create_file(filename)
+
+      fast_path = fast_project_tree_path(project, filename)
+
+      expect(fast_path).to end_with('%23test-file')
+    end
   end
 
   describe 'flatten_tree' do