Merge branch 'group-token-http-authenticate' into 'master'

Group token HTTP authentication

See merge request gitlab-org/gitlab!65788

lib/gitlab/auth.rb

@@ -199,13 +199,29 @@ module Gitlab
 
         return unless valid_scoped_token?(token, all_available_scopes)
 
-        return if project && token.user.project_bot? && !project.bots.include?(token.user)
+        if project && token.user.project_bot?
+          return unless token_bot_in_project?(token.user, project) || token_bot_in_group?(token.user, project)
+        end
 
         if can_user_login_with_non_expired_password?(token.user) || token.user.project_bot?
           Gitlab::Auth::Result.new(token.user, nil, :personal_access_token, abilities_for_scopes(token.scopes))
         end
       end
 
+      def token_bot_in_project?(user, project)
+        project.bots.include?(user)
+      end
+
+      # rubocop: disable CodeReuse/ActiveRecord
+
+      # A workaround for adding group-level automation is to add the bot user of a project access token as a group member.
+      # In order to make project access tokens work this way during git authentication, we need to add an additional check for group membership.
+      # This is a temporary workaround until service accounts are implemented.
+      def token_bot_in_group?(user, project)
+        project.group && project.group.members_with_parents.where(user_id: user.id).exists?
+      end
+      # rubocop: enable CodeReuse/ActiveRecord
+
       def valid_oauth_token?(token)
         token && token.accessible? && valid_scoped_token?(token, [:api])
       end

spec/lib/gitlab/auth_spec.rb

@@ -360,33 +360,24 @@ RSpec.describe Gitlab::Auth, :use_clean_rails_memory_store_caching do
         end
       end
 
-      context 'when using a project access token' do
-        let_it_be(:project_bot_user) { create(:user, :project_bot) }
-        let_it_be(:project_access_token) { create(:personal_access_token, user: project_bot_user) }
-
-        context 'with valid project access token' do
-          before do
-            project.add_maintainer(project_bot_user)
-          end
-
+      context 'when using a resource access token' do
+        shared_examples 'with a valid access token' do
           it 'successfully authenticates the project bot' do
-            expect(gl_auth.find_for_git_client(project_bot_user.username, project_access_token.token, project: project, ip: 'ip'))
+            expect(gl_auth.find_for_git_client(project_bot_user.username, access_token.token, project: project, ip: 'ip'))
               .to eq(Gitlab::Auth::Result.new(project_bot_user, nil, :personal_access_token, described_class.full_authentication_abilities))
           end
 
           it 'successfully authenticates the project bot with a nil project' do
-            expect(gl_auth.find_for_git_client(project_bot_user.username, project_access_token.token, project: nil, ip: 'ip'))
+            expect(gl_auth.find_for_git_client(project_bot_user.username, access_token.token, project: nil, ip: 'ip'))
               .to eq(Gitlab::Auth::Result.new(project_bot_user, nil, :personal_access_token, described_class.full_authentication_abilities))
           end
         end
 
-        context 'with invalid project access token' do
-          context 'when project bot is not a project member' do
-            it 'fails for a non-project member' do
-              expect(gl_auth.find_for_git_client(project_bot_user.username, project_access_token.token, project: project, ip: 'ip'))
+        shared_examples 'with an invalid access token' do
+          it 'fails for a non-member' do
+            expect(gl_auth.find_for_git_client(project_bot_user.username, access_token.token, project: project, ip: 'ip'))
               .to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
           end
-          end
 
           context 'when project bot user is blocked' do
             before do
@@ -394,11 +385,61 @@ RSpec.describe Gitlab::Auth, :use_clean_rails_memory_store_caching do
             end
 
             it 'fails for a blocked project bot' do
-              expect(gl_auth.find_for_git_client(project_bot_user.username, project_access_token.token, project: project, ip: 'ip'))
+              expect(gl_auth.find_for_git_client(project_bot_user.username, access_token.token, project: project, ip: 'ip'))
                 .to eq(Gitlab::Auth::Result.new(nil, nil, nil, nil))
             end
           end
         end
+
+        context 'when using a personal namespace project access token' do
+          let_it_be(:project_bot_user) { create(:user, :project_bot) }
+          let_it_be(:access_token) { create(:personal_access_token, user: project_bot_user) }
+
+          context 'when the token belongs to the project' do
+            before do
+              project.add_maintainer(project_bot_user)
+            end
+
+            it_behaves_like 'with a valid access token'
+          end
+
+          it_behaves_like 'with an invalid access token'
+        end
+
+        context 'when in a group namespace' do
+          let_it_be(:group) { create(:group) }
+          let_it_be(:project) { create(:project, group: group) }
+
+          context 'when using a project access token' do
+            let_it_be(:project_bot_user) { create(:user, :project_bot) }
+            let_it_be(:access_token) { create(:personal_access_token, user: project_bot_user) }
+
+            context 'when token user belongs to the project' do
+              before do
+                project.add_maintainer(project_bot_user)
+              end
+
+              it_behaves_like 'with a valid access token'
+            end
+
+            it_behaves_like 'with an invalid access token'
+          end
+
+          context 'when using a group access token' do
+            let_it_be(:project_bot_user) { create(:user, name: 'Group token bot', email: "group_#{group.id}_bot@example.com", username: "group_#{group.id}_bot", user_type: :project_bot) }
+            let_it_be(:access_token) { create(:personal_access_token, user: project_bot_user) }
+
+            context 'when the token belongs to the group' do
+              before do
+                group.add_maintainer(project_bot_user)
+              end
+
+              it_behaves_like 'with a valid access token'
+            end
+
+            it_behaves_like 'with an invalid access token'
+          end
+        end
       end
     end