Make authentication service for Container Registry to be compatible with < Docker 1.11

CHANGELOG

@@ -15,6 +15,7 @@ v 8.9.0 (unreleased)
   - Remove 'main language' feature
   - Projects pending deletion will render a 404 page
   - Measure queue duration between gitlab-workhorse and Rails
+  - Make authentication service for Container Registry to be compatible with < Docker 1.11
 v 8.8.3
   - Fix gitlab importer failing to import new projects due to missing credentials

app/controllers/jwt_controller.rb

@@ -32,7 +32,7 @@ class JwtController < ApplicationController
   end
   def auth_params
-    params.permit(:service, :scope, :offline_token, :account, :client_id)
+    params.permit(:service, :scope, :account, :client_id)
   end
   def authenticate_project(login, password)

app/services/auth/container_registry_authentication_service.rb

@@ -5,9 +5,7 @@ module Auth
     def execute
       return error('not found', 404) unless registry.enabled
-      if params[:offline_token]
-        return error('unauthorized', 401) unless current_user || project
-      else
+      unless current_user || project
         return error('forbidden', 403) unless scope
       end

spec/services/auth/container_registry_authentication_service_spec.rb

@@ -14,7 +14,7 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
     allow_any_instance_of(JSONWebToken::RSAToken).to receive(:key).and_return(rsa_key)
   end
-  shared_examples 'an authenticated' do
+  shared_examples 'a valid token' do
     it { is_expected.to include(:token) }
     it { expect(payload).to include('access') }
   end
@@ -28,10 +28,15 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
        }]
     end
-    it_behaves_like 'an authenticated'
+    it_behaves_like 'a valid token'
     it { expect(payload).to include('access' => access) }
   end
+  shared_examples 'an inaccessible' do
+    it_behaves_like 'a valid token'
+    it { expect(payload).to include('access' => []) }
+  end
+
   shared_examples 'a pullable' do
     it_behaves_like 'a accessible' do
       let(:actions) { ['pull'] }
@@ -50,11 +55,6 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
     end
   end
-  shared_examples 'an unauthorized' do
-    it { is_expected.to include(http_status: 401) }
-    it { is_expected.not_to include(:token) }
-  end
-
   shared_examples 'a forbidden' do
     it { is_expected.to include(http_status: 403) }
     it { is_expected.not_to include(:token) }
@@ -75,12 +75,8 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
     let(:project) { create(:project) }
     let(:current_user) { create(:user) }
-    context 'allow to use offline_token' do
-      let(:current_params) do
-        { offline_token: true }
-      end
-
-      it_behaves_like 'an authenticated'
+    context 'allow to use scope-less authentication' do
+      it_behaves_like 'a valid token'
     end
     context 'allow developer to push images' do
@@ -120,19 +116,15 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
         { scope: "repository:#{project.path_with_namespace}:pull,push" }
       end
-      it_behaves_like 'a forbidden'
+      it_behaves_like 'an inaccessible'
     end
   end
   context 'project authorization' do
     let(:current_project) { create(:empty_project) }
-    context 'allow to use offline_token' do
-      let(:current_params) do
-        { offline_token: true }
-      end
-
-      it_behaves_like 'an authenticated'
+    context 'allow to use scope-less authentication' do
+      it_behaves_like 'a valid token'
     end
     context 'allow to pull and push images' do
@@ -158,7 +150,7 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
         context 'disallow for private' do
           let(:project) { create(:empty_project, :private) }
-          it_behaves_like 'a forbidden'
+          it_behaves_like 'an inaccessible'
         end
       end
@@ -169,7 +161,7 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
         context 'disallow for all' do
           let(:project) { create(:empty_project, :public) }
-          it_behaves_like 'a forbidden'
+          it_behaves_like 'an inaccessible'
         end
       end
     end
@@ -184,18 +176,14 @@ describe Auth::ContainerRegistryAuthenticationService, services: true do
           { scope: "repository:#{project.path_with_namespace}:pull" }
         end
-        it_behaves_like 'a forbidden'
+        it_behaves_like 'an inaccessible'
       end
     end
   end
   context 'unauthorized' do
-    context 'disallow to use offline_token' do
-      let(:current_params) do
-        { offline_token: true }
-      end
-
-      it_behaves_like 'an unauthorized'
+    context 'disallow to use scope-less authentication' do
+      it_behaves_like 'a forbidden'
     end
     context 'for invalid scope' do