Merge branch 'kradydal/gitlab-ce-20989-disable-all-for-non-project-members'

See !6474.

CHANGELOG

@@ -50,6 +50,7 @@ v 8.13.0 (unreleased)
   - API: expose pipeline data in builds API (!6502, Guilherme Salazar)
   - Notify the Merger about merge after successful build (Dimitris Karakasilis)
   - Reduce queries needed to find users using their SSH keys when pushing commits
+  - Prevent rendering the link to all when the author has no access (Katarzyna Kobierska Ula Budziszewska)
   - Fix broken repository 500 errors in project list
   - Fix Pipeline list commit column width should be adjusted
   - Close todos when accepting merge requests via the API !6486 (tonygambone)

lib/banzai/filter/user_reference_filter.rb

@@ -106,13 +106,17 @@ module Banzai
         project = context[:project]
         author = context[:author]
 
-        url = urls.namespace_project_url(project.namespace, project,
-                                         only_path: context[:only_path])
+        if author && !project.team.member?(author)
+          link_text
+        else
+          url = urls.namespace_project_url(project.namespace, project,
+                                           only_path: context[:only_path])
 
-        data = data_attribute(project: project.id, author: author.try(:id))
-        text = link_text || User.reference_prefix + 'all'
+          data = data_attribute(project: project.id, author: author.try(:id))
+          text = link_text || User.reference_prefix + 'all'
 
-        link_tag(url, data, text, 'All Project and Group Members')
+          link_tag(url, data, text, 'All Project and Group Members')
+        end
       end
 
       def link_to_namespace(namespace, link_text: nil)

spec/lib/banzai/filter/user_reference_filter_spec.rb

@@ -31,13 +31,16 @@ describe Banzai::Filter::UserReferenceFilter, lib: true do
     end
 
     it 'supports a special @all mention' do
+      project.team << [user, :developer]
       doc = reference_filter("Hey #{reference}", author: user)
+
       expect(doc.css('a').length).to eq 1
       expect(doc.css('a').first.attr('href'))
         .to eq urls.namespace_project_url(project.namespace, project)
     end
 
     it 'includes a data-author attribute when there is an author' do
+      project.team << [user, :developer]
       doc = reference_filter(reference, author: user)
 
       expect(doc.css('a').first.attr('data-author')).to eq(user.id.to_s)
@@ -48,6 +51,12 @@ describe Banzai::Filter::UserReferenceFilter, lib: true do
 
       expect(doc.css('a').first.has_attribute?('data-author')).to eq(false)
     end
+
+    it 'ignores reference to all when the user is not a project member' do
+      doc = reference_filter("Hey #{reference}", author: user)
+
+      expect(doc.css('a').length).to eq 0
+    end
   end
 
   context 'mentioning a user' do