Add latest changes from gitlab-org/security/gitlab@14-9-stable-ee

14 files changed, 246 insertions, 108 deletions

diff --git a/app/controllers/projects/pipeline_schedules_controller.rb b/app/controllers/projects/pipeline_schedules_controller.rb
index 271c31b6429..a1f0572a36a 100644
--- a/app/controllers/projects/pipeline_schedules_controller.rb
+++ b/app/controllers/projects/pipeline_schedules_controller.rb
@@ -7,7 +7,8 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
   before_action :authorize_play_pipeline_schedule!, only: [:play]
   before_action :authorize_read_pipeline_schedule!
   before_action :authorize_create_pipeline_schedule!, only: [:new, :create]
-  before_action :authorize_update_pipeline_schedule!, except: [:index, :new, :create, :play]
+  before_action :authorize_update_pipeline_schedule!, only: [:edit, :update]
+  before_action :authorize_take_ownership_pipeline_schedule!, only: [:take_ownership]
   before_action :authorize_admin_pipeline_schedule!, only: [:destroy]
 
   before_action do
@@ -112,6 +113,10 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
     return access_denied! unless can?(current_user, :update_pipeline_schedule, schedule)
   end
 
+  def authorize_take_ownership_pipeline_schedule!
+    return access_denied! unless can?(current_user, :take_ownership_pipeline_schedule, schedule)
+  end
+
   def authorize_admin_pipeline_schedule!
     return access_denied! unless can?(current_user, :admin_pipeline_schedule, schedule)
   end
diff --git a/app/policies/ci/pipeline_schedule_policy.rb b/app/policies/ci/pipeline_schedule_policy.rb
index 2ef5ffd6a5a..3a674bfef92 100644
--- a/app/policies/ci/pipeline_schedule_policy.rb
+++ b/app/policies/ci/pipeline_schedule_policy.rb
@@ -15,11 +15,14 @@ module Ci
     rule { can?(:create_pipeline) }.enable :play_pipeline_schedule
 
     rule { can?(:admin_pipeline) | (can?(:update_build) & owner_of_schedule) }.policy do
-      enable :update_pipeline_schedule
       enable :admin_pipeline_schedule
       enable :read_pipeline_schedule_variables
     end
 
+    rule { admin | (owner_of_schedule & can?(:update_build)) }.policy do
+      enable :update_pipeline_schedule
+    end
+
     rule { can?(:admin_pipeline_schedule) & ~owner_of_schedule }.policy do
       enable :take_ownership_pipeline_schedule
     end
diff --git a/doc/ci/pipelines/schedules.md b/doc/ci/pipelines/schedules.md
index 8813f3e1d59..8ab80e3798a 100644
--- a/doc/ci/pipelines/schedules.md
+++ b/doc/ci/pipelines/schedules.md
@@ -39,6 +39,20 @@ To add a pipeline schedule:
      These variables are available only when the scheduled pipeline runs,
      and not in any other pipeline run.
 
+## Edit a pipeline schedule
+
+> Introduced in GitLab 14.8, only a pipeline schedule owner can edit the schedule.
+
+The owner of a pipeline schedule can edit it:
+
+1. On the top bar, select **Menu > Projects** and find your project.
+1. In the left sidebar, select **CI/CD > Schedules**.
+1. Next to the schedule, select **Edit** (**{pencil}**) and fill in the form.
+
+The user must have the Developer role or above for the project. If the user is
+not the owner of the schedule, they must first [take ownership](#take-ownership)
+of the schedule.
+
 ## Run manually
 
 To trigger a pipeline schedule manually, so that it runs immediately instead of
diff --git a/lib/api/ci/pipeline_schedules.rb b/lib/api/ci/pipeline_schedules.rb
index 8a9ba2cbe0f..6030fe86f00 100644
--- a/lib/api/ci/pipeline_schedules.rb
+++ b/lib/api/ci/pipeline_schedules.rb
@@ -93,7 +93,7 @@ module API
           requires :pipeline_schedule_id, type: Integer, desc: 'The pipeline schedule id'
         end
         post ':id/pipeline_schedules/:pipeline_schedule_id/take_ownership' do
-          authorize! :update_pipeline_schedule, pipeline_schedule
+          authorize! :take_ownership_pipeline_schedule, pipeline_schedule
 
           if pipeline_schedule.own!(current_user)
             present pipeline_schedule, with: Entities::Ci::PipelineScheduleDetails
diff --git a/lib/gitlab/import_export/project/import_export.yml b/lib/gitlab/import_export/project/import_export.yml
index fc05cc1a79c..7dcf26ca89a 100644
--- a/lib/gitlab/import_export/project/import_export.yml
+++ b/lib/gitlab/import_export/project/import_export.yml
@@ -639,7 +639,6 @@ included_attributes:
     - :build_allow_git_fetch
     - :build_coverage_regex
     - :build_timeout
-    - :ci_config_path
     - :delete_error
     - :description
     - :disable_overriding_approvers_per_merge_request
diff --git a/lib/gitlab/import_export/project/relation_factory.rb b/lib/gitlab/import_export/project/relation_factory.rb
index c391f86b47b..8110720fb46 100644
--- a/lib/gitlab/import_export/project/relation_factory.rb
+++ b/lib/gitlab/import_export/project/relation_factory.rb
@@ -87,6 +87,8 @@ module Gitlab
           when *BUILD_MODELS then setup_build
           when :issues then setup_issue
           when :'Ci::PipelineSchedule' then setup_pipeline_schedule
+          when :'ProtectedBranch::MergeAccessLevel' then setup_protected_branch_access_level
+          when :'ProtectedBranch::PushAccessLevel' then setup_protected_branch_access_level
           end
 
           update_project_references
@@ -152,6 +154,10 @@ module Gitlab
           @relation_hash['active'] = false
         end
 
+        def setup_protected_branch_access_level
+          @relation_hash['access_level'] = Gitlab::Access::MAINTAINER
+        end
+
         def compute_relative_position
           return unless max_relative_position
 
diff --git a/spec/controllers/projects/pipeline_schedules_controller_spec.rb b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
index d86f38c1f0b..77acd5fe13c 100644
--- a/spec/controllers/projects/pipeline_schedules_controller_spec.rb
+++ b/spec/controllers/projects/pipeline_schedules_controller_spec.rb
@@ -13,10 +13,43 @@ RSpec.describe Projects::PipelineSchedulesController do
     project.add_developer(user)
   end
 
+  shared_examples 'access update schedule' do
+    describe 'security' do
+      it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
+        expect { go }.to be_allowed_for(:admin)
+      end
+
+      it 'is denied for admin when admin mode disabled' do
+        expect { go }.to be_denied_for(:admin)
+      end
+
+      it { expect { go }.to be_denied_for(:owner).of(project) }
+      it { expect { go }.to be_denied_for(:maintainer).of(project) }
+      it { expect { go }.to be_denied_for(:developer).of(project) }
+      it { expect { go }.to be_denied_for(:reporter).of(project) }
+      it { expect { go }.to be_denied_for(:guest).of(project) }
+      it { expect { go }.to be_denied_for(:user) }
+      it { expect { go }.to be_denied_for(:external) }
+      it { expect { go }.to be_denied_for(:visitor) }
+
+      context 'when user is schedule owner' do
+        it { expect { go }.to be_allowed_for(:owner).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_allowed_for(:maintainer).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_allowed_for(:developer).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:reporter).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:guest).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:user).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:external).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:visitor).own(pipeline_schedule) }
+      end
+    end
+  end
+
   describe 'GET #index' do
     render_views
 
     let(:scope) { nil }
+
     let!(:inactive_pipeline_schedule) do
       create(:ci_pipeline_schedule, :inactive, project: project)
     end
@@ -130,12 +163,15 @@ RSpec.describe Projects::PipelineSchedulesController do
       it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
         expect { go }.to be_allowed_for(:admin)
       end
+
       it 'is denied for admin when admin mode disabled' do
         expect { go }.to be_denied_for(:admin)
       end
+
       it { expect { go }.to be_allowed_for(:owner).of(project) }
       it { expect { go }.to be_allowed_for(:maintainer).of(project) }
       it { expect { go }.to be_allowed_for(:developer).of(project) }
+
       it { expect { go }.to be_denied_for(:reporter).of(project) }
       it { expect { go }.to be_denied_for(:guest).of(project) }
       it { expect { go }.to be_denied_for(:user) }
@@ -284,20 +320,7 @@ RSpec.describe Projects::PipelineSchedulesController do
     describe 'security' do
       let(:schedule) { { description: 'updated_desc' } }
 
-      it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
-        expect { go }.to be_allowed_for(:admin)
-      end
-      it 'is denied for admin when admin mode disabled' do
-        expect { go }.to be_denied_for(:admin)
-      end
-      it { expect { go }.to be_allowed_for(:owner).of(project) }
-      it { expect { go }.to be_allowed_for(:maintainer).of(project) }
-      it { expect { go }.to be_allowed_for(:developer).of(project).own(pipeline_schedule) }
-      it { expect { go }.to be_denied_for(:reporter).of(project) }
-      it { expect { go }.to be_denied_for(:guest).of(project) }
-      it { expect { go }.to be_denied_for(:user) }
-      it { expect { go }.to be_denied_for(:external) }
-      it { expect { go }.to be_denied_for(:visitor) }
+      it_behaves_like 'access update schedule'
 
       context 'when a developer created a pipeline schedule' do
         let(:developer_1) { create(:user) }
@@ -308,8 +331,10 @@ RSpec.describe Projects::PipelineSchedulesController do
         end
 
         it { expect { go }.to be_allowed_for(developer_1) }
+
+        it { expect { go }.to be_denied_for(:owner).of(project) }
+        it { expect { go }.to be_denied_for(:maintainer).of(project) }
         it { expect { go }.to be_denied_for(:developer).of(project) }
-        it { expect { go }.to be_allowed_for(:maintainer).of(project) }
       end
 
       context 'when a maintainer created a pipeline schedule' do
@@ -321,17 +346,21 @@ RSpec.describe Projects::PipelineSchedulesController do
         end
 
         it { expect { go }.to be_allowed_for(maintainer_1) }
-        it { expect { go }.to be_allowed_for(:maintainer).of(project) }
+
+        it { expect { go }.to be_denied_for(:owner).of(project) }
+        it { expect { go }.to be_denied_for(:maintainer).of(project) }
         it { expect { go }.to be_denied_for(:developer).of(project) }
       end
     end
 
     def go
-      put :update, params: { namespace_id: project.namespace.to_param,
-                             project_id: project,
-                             id: pipeline_schedule,
-                             schedule: schedule },
-                   as: :html
+      put :update, params: {
+          namespace_id: project.namespace.to_param,
+          project_id: project,
+          id: pipeline_schedule,
+          schedule: schedule
+        },
+        as: :html
     end
   end
 
@@ -341,6 +370,7 @@ RSpec.describe Projects::PipelineSchedulesController do
 
       before do
         project.add_maintainer(user)
+        pipeline_schedule.update!(owner: user)
         sign_in(user)
       end
 
@@ -352,22 +382,7 @@ RSpec.describe Projects::PipelineSchedulesController do
       end
     end
 
-    describe 'security' do
-      it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
-        expect { go }.to be_allowed_for(:admin)
-      end
-      it 'is denied for admin when admin mode disabled' do
-        expect { go }.to be_denied_for(:admin)
-      end
-      it { expect { go }.to be_allowed_for(:owner).of(project) }
-      it { expect { go }.to be_allowed_for(:maintainer).of(project) }
-      it { expect { go }.to be_allowed_for(:developer).of(project).own(pipeline_schedule) }
-      it { expect { go }.to be_denied_for(:reporter).of(project) }
-      it { expect { go }.to be_denied_for(:guest).of(project) }
-      it { expect { go }.to be_denied_for(:user) }
-      it { expect { go }.to be_denied_for(:external) }
-      it { expect { go }.to be_denied_for(:visitor) }
-    end
+    it_behaves_like 'access update schedule'
 
     def go
       get :edit, params: { namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id }
@@ -379,17 +394,30 @@ RSpec.describe Projects::PipelineSchedulesController do
       it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
         expect { go }.to be_allowed_for(:admin)
       end
+
       it 'is denied for admin when admin mode disabled' do
         expect { go }.to be_denied_for(:admin)
       end
+
       it { expect { go }.to be_allowed_for(:owner).of(project) }
       it { expect { go }.to be_allowed_for(:maintainer).of(project) }
-      it { expect { go }.to be_allowed_for(:developer).of(project).own(pipeline_schedule) }
+      it { expect { go }.to be_denied_for(:developer).of(project) }
       it { expect { go }.to be_denied_for(:reporter).of(project) }
       it { expect { go }.to be_denied_for(:guest).of(project) }
       it { expect { go }.to be_denied_for(:user) }
       it { expect { go }.to be_denied_for(:external) }
       it { expect { go }.to be_denied_for(:visitor) }
+
+      context 'when user is schedule owner' do
+        it { expect { go }.to be_denied_for(:owner).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:maintainer).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:developer).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:reporter).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:guest).of(project).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:user).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:external).own(pipeline_schedule) }
+        it { expect { go }.to be_denied_for(:visitor).own(pipeline_schedule) }
+      end
     end
 
     def go
diff --git a/spec/features/projects/pipeline_schedules_spec.rb b/spec/features/projects/pipeline_schedules_spec.rb
index 63867a7e900..7cb14feabd2 100644
--- a/spec/features/projects/pipeline_schedules_spec.rb
+++ b/spec/features/projects/pipeline_schedules_spec.rb
@@ -9,7 +9,77 @@ RSpec.describe 'Pipeline Schedules', :js do
   let(:scope) { nil }
   let!(:user) { create(:user) }
 
-  context 'logged in as maintainer' do
+  context 'logged in as the pipeline scheduler owner' do
+    before do
+      stub_feature_flags(bootstrap_confirmation_modals: false)
+      project.add_developer(user)
+      pipeline_schedule.update!(owner: user)
+      gitlab_sign_in(user)
+    end
+
+    describe 'GET /projects/pipeline_schedules' do
+      before do
+        visit_pipelines_schedules
+      end
+
+      it 'edits the pipeline' do
+        page.within('.pipeline-schedule-table-row') do
+          click_link 'Edit'
+        end
+
+        expect(page).to have_content('Edit Pipeline Schedule')
+      end
+    end
+
+    describe 'PATCH /projects/pipelines_schedules/:id/edit' do
+      before do
+        edit_pipeline_schedule
+      end
+
+      it 'displays existing properties' do
+        description = find_field('schedule_description').value
+        expect(description).to eq('pipeline schedule')
+        expect(page).to have_button('master')
+        expect(page).to have_button('UTC')
+      end
+
+      it 'edits the scheduled pipeline' do
+        fill_in 'schedule_description', with: 'my brand new description'
+
+        save_pipeline_schedule
+
+        expect(page).to have_content('my brand new description')
+      end
+
+      context 'when ref is nil' do
+        before do
+          pipeline_schedule.update_attribute(:ref, nil)
+          edit_pipeline_schedule
+        end
+
+        it 'shows the pipeline schedule with default ref' do
+          page.within('[data-testid="schedule-target-ref"]') do
+            expect(first('.gl-new-dropdown-button-text').text).to eq('master')
+          end
+        end
+      end
+
+      context 'when ref is empty' do
+        before do
+          pipeline_schedule.update_attribute(:ref, '')
+          edit_pipeline_schedule
+        end
+
+        it 'shows the pipeline schedule with default ref' do
+          page.within('[data-testid="schedule-target-ref"]') do
+            expect(first('.gl-new-dropdown-button-text').text).to eq('master')
+          end
+        end
+      end
+    end
+  end
+
+  context 'logged in as a project maintainer' do
     before do
       stub_feature_flags(bootstrap_confirmation_modals: false)
       project.add_maintainer(user)
@@ -46,14 +116,6 @@ RSpec.describe 'Pipeline Schedules', :js do
           end
         end
 
-        it 'edits the pipeline' do
-          page.within('.pipeline-schedule-table-row') do
-            click_link 'Edit'
-          end
-
-          expect(page).to have_content('Edit Pipeline Schedule')
-        end
-
         it 'deletes the pipeline' do
           accept_confirm { click_link 'Delete' }
 
@@ -108,53 +170,6 @@ RSpec.describe 'Pipeline Schedules', :js do
       end
     end
 
-    describe 'PATCH /projects/pipelines_schedules/:id/edit' do
-      before do
-        edit_pipeline_schedule
-      end
-
-      it 'displays existing properties' do
-        description = find_field('schedule_description').value
-        expect(description).to eq('pipeline schedule')
-        expect(page).to have_button('master')
-        expect(page).to have_button('UTC')
-      end
-
-      it 'edits the scheduled pipeline' do
-        fill_in 'schedule_description', with: 'my brand new description'
-
-        save_pipeline_schedule
-
-        expect(page).to have_content('my brand new description')
-      end
-
-      context 'when ref is nil' do
-        before do
-          pipeline_schedule.update_attribute(:ref, nil)
-          edit_pipeline_schedule
-        end
-
-        it 'shows the pipeline schedule with default ref' do
-          page.within('[data-testid="schedule-target-ref"]') do
-            expect(first('.gl-new-dropdown-button-text').text).to eq('master')
-          end
-        end
-      end
-
-      context 'when ref is empty' do
-        before do
-          pipeline_schedule.update_attribute(:ref, '')
-          edit_pipeline_schedule
-        end
-
-        it 'shows the pipeline schedule with default ref' do
-          page.within('[data-testid="schedule-target-ref"]') do
-            expect(first('.gl-new-dropdown-button-text').text).to eq('master')
-          end
-        end
-      end
-    end
-
     context 'when user creates a new pipeline schedule with variables' do
       before do
         visit_pipelines_schedules
diff --git a/spec/fixtures/lib/gitlab/import_export/complex/project.json b/spec/fixtures/lib/gitlab/import_export/complex/project.json
index 95f2ce45b46..ce0df4250d6 100644
--- a/spec/fixtures/lib/gitlab/import_export/complex/project.json
+++ b/spec/fixtures/lib/gitlab/import_export/complex/project.json
@@ -4,6 +4,7 @@
   "creator_id": 123,
   "visibility_level": 10,
   "archived": false,
+  "ci_config_path": "config/path",
   "labels": [
     {
       "id": 2,
diff --git a/spec/fixtures/lib/gitlab/import_export/complex/tree/project.json b/spec/fixtures/lib/gitlab/import_export/complex/tree/project.json
index 2c5045ce806..9e03e3e51a2 100644
--- a/spec/fixtures/lib/gitlab/import_export/complex/tree/project.json
+++ b/spec/fixtures/lib/gitlab/import_export/complex/tree/project.json
@@ -6,5 +6,6 @@
   "archived": false,
   "deploy_keys": [],
   "hooks": [],
-  "shared_runners_enabled": true
+  "shared_runners_enabled": true,
+  "ci_config_path": "config/path"
 }
diff --git a/spec/lib/gitlab/import_export/project/relation_factory_spec.rb b/spec/lib/gitlab/import_export/project/relation_factory_spec.rb
index 240d86077c4..52b33e22089 100644
--- a/spec/lib/gitlab/import_export/project/relation_factory_spec.rb
+++ b/spec/lib/gitlab/import_export/project/relation_factory_spec.rb
@@ -417,4 +417,22 @@ RSpec.describe Gitlab::ImportExport::Project::RelationFactory, :use_clean_rails_
       expect(created_object.project).to equal(project)
     end
   end
+
+  context 'merge request access level object' do
+    let(:relation_sym) { :'ProtectedBranch::MergeAccessLevel' }
+    let(:relation_hash) { { 'access_level' => 30, 'created_at' => '2022-03-29T09:53:13.457Z', 'updated_at' => '2022-03-29T09:54:13.457Z' } }
+
+    it 'sets access level to maintainer' do
+      expect(created_object.access_level).to equal(Gitlab::Access::MAINTAINER)
+    end
+  end
+
+  context 'push access level object' do
+    let(:relation_sym) { :'ProtectedBranch::PushAccessLevel' }
+    let(:relation_hash) { { 'access_level' => 30, 'created_at' => '2022-03-29T09:53:13.457Z', 'updated_at' => '2022-03-29T09:54:13.457Z' } }
+
+    it 'sets access level to maintainer' do
+      expect(created_object.access_level).to equal(Gitlab::Access::MAINTAINER)
+    end
+  end
 end
diff --git a/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb b/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
index fdf8260c058..a3e891db658 100644
--- a/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
+++ b/spec/lib/gitlab/import_export/project/tree_restorer_spec.rb
@@ -111,6 +111,10 @@ RSpec.describe Gitlab::ImportExport::Project::TreeRestorer do
           end
         end
 
+        it 'does not import ci config path' do
+          expect(@project.ci_config_path).to be_nil
+        end
+
         it 'creates a valid pipeline note' do
           expect(Ci::Pipeline.find_by_sha('sha-notes').notes).not_to be_empty
         end
diff --git a/spec/policies/ci/pipeline_schedule_policy_spec.rb b/spec/policies/ci/pipeline_schedule_policy_spec.rb
index 1e36f455f6f..f2c99e0de95 100644
--- a/spec/policies/ci/pipeline_schedule_policy_spec.rb
+++ b/spec/policies/ci/pipeline_schedule_policy_spec.rb
@@ -84,11 +84,14 @@ RSpec.describe Ci::PipelineSchedulePolicy, :models do
         project.add_maintainer(user)
       end
 
-      it 'includes abilities to do all operations on pipeline schedule' do
+      it 'allows for playing and destroying a pipeline schedule' do
         expect(policy).to be_allowed :play_pipeline_schedule
-        expect(policy).to be_allowed :update_pipeline_schedule
         expect(policy).to be_allowed :admin_pipeline_schedule
       end
+
+      it 'does not allow for updating of an existing schedule' do
+        expect(policy).not_to be_allowed :update_pipeline_schedule
+      end
     end
 
     describe 'rules for non-owner of schedule' do
diff --git a/spec/requests/api/ci/pipeline_schedules_spec.rb b/spec/requests/api/ci/pipeline_schedules_spec.rb
index 4c8a356469d..5fb94976c5f 100644
--- a/spec/requests/api/ci/pipeline_schedules_spec.rb
+++ b/spec/requests/api/ci/pipeline_schedules_spec.rb
@@ -291,10 +291,36 @@ RSpec.describe API::Ci::PipelineSchedules do
     end
 
     context 'authenticated user with invalid permissions' do
-      it 'does not update pipeline_schedule' do
-        put api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}", user)
+      context 'as a project maintainer' do
+        before do
+          project.add_maintainer(user)
+        end
 
-        expect(response).to have_gitlab_http_status(:not_found)
+        it 'does not update pipeline_schedule' do
+          put api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}", user)
+
+          expect(response).to have_gitlab_http_status(:forbidden)
+        end
+      end
+
+      context 'as a project owner' do
+        before do
+          project.add_owner(user)
+        end
+
+        it 'does not update pipeline_schedule' do
+          put api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}", user)
+
+          expect(response).to have_gitlab_http_status(:forbidden)
+        end
+      end
+
+      context 'with no special role' do
+        it 'does not update pipeline_schedule' do
+          put api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}", user)
+
+          expect(response).to have_gitlab_http_status(:not_found)
+        end
       end
     end
 
@@ -312,16 +338,21 @@ RSpec.describe API::Ci::PipelineSchedules do
       create(:ci_pipeline_schedule, project: project, owner: developer)
     end
 
-    context 'authenticated user with valid permissions' do
+    let(:project_maintainer) do
+      create(:user).tap { |u| project.add_maintainer(u) }
+    end
+
+    context 'as an authenticated user with valid permissions' do
       it 'updates owner' do
-        post api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}/take_ownership", developer)
+        expect { post api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}/take_ownership", project_maintainer) }
+          .to change { pipeline_schedule.reload.owner }.from(developer).to(project_maintainer)
 
         expect(response).to have_gitlab_http_status(:created)
         expect(response).to match_response_schema('pipeline_schedule')
       end
     end
 
-    context 'authenticated user with invalid permissions' do
+    context 'as an authenticated user with invalid permissions' do
       it 'does not update owner' do
         post api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}/take_ownership", user)
 
@@ -329,13 +360,23 @@ RSpec.describe API::Ci::PipelineSchedules do
       end
     end
 
-    context 'unauthenticated user' do
+    context 'as an unauthenticated user' do
       it 'does not update owner' do
         post api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}/take_ownership")
 
         expect(response).to have_gitlab_http_status(:unauthorized)
       end
     end
+
+    context 'as the existing owner of the schedule' do
+      it 'rejects the request and leaves the schedule unchanged' do
+        expect do
+          post api("/projects/#{project.id}/pipeline_schedules/#{pipeline_schedule.id}/take_ownership", developer)
+        end.not_to change { pipeline_schedule.reload.owner }
+
+        expect(response).to have_gitlab_http_status(:forbidden)
+      end
+    end
   end
 
   describe 'DELETE /projects/:id/pipeline_schedules/:pipeline_schedule_id' do