1 files changed, 270 insertions, 0 deletions
diff --git a/spec/support/shared_examples/requests/api/npm_packages_shared_examples.rb b/spec/support/shared_examples/requests/api/npm_packages_shared_examples.rb
new file mode 100644
index 00000000000..d3ad7aa0595
--- /dev/null
+++ b/spec/support/shared_examples/requests/api/npm_packages_shared_examples.rb
@@ -0,0 +1,270 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'handling get metadata requests' do
+  let_it_be(:package_dependency_link1) { create(:packages_dependency_link, package: package, dependency_type: :dependencies) }
+  let_it_be(:package_dependency_link2) { create(:packages_dependency_link, package: package, dependency_type: :devDependencies) }
+  let_it_be(:package_dependency_link3) { create(:packages_dependency_link, package: package, dependency_type: :bundleDependencies) }
+  let_it_be(:package_dependency_link4) { create(:packages_dependency_link, package: package, dependency_type: :peerDependencies) }
+
+  let(:params) { {} }
+  let(:headers) { {} }
+
+  subject { get(url, params: params, headers: headers) }
+
+  shared_examples 'returning the npm package info' do
+    it 'returns the package info' do
+      subject
+
+      expect_a_valid_package_response
+    end
+  end
+
+  shared_examples 'a package that requires auth' do
+    it 'denies request without oauth token' do
+      subject
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    context 'with oauth token' do
+      let(:params) { { access_token: token.token } }
+
+      it 'returns the package info with oauth token' do
+        subject
+
+        expect_a_valid_package_response
+      end
+    end
+
+    context 'with job token' do
+      let(:params) { { job_token: job.token } }
+
+      it 'returns the package info with running job token' do
+        subject
+
+        expect_a_valid_package_response
+      end
+
+      it 'denies request without running job token' do
+        job.update!(status: :success)
+
+        subject
+
+        expect(response).to have_gitlab_http_status(:unauthorized)
+      end
+    end
+
+    context 'with deploy token' do
+      let(:headers) { build_token_auth_header(deploy_token.token) }
+
+      it 'returns the package info with deploy token' do
+        subject
+
+        expect_a_valid_package_response
+      end
+    end
+  end
+
+  context 'a public project' do
+    it_behaves_like 'returning the npm package info'
+
+    context 'project path with a dot' do
+      before do
+        project.update!(path: 'foo.bar')
+      end
+
+      it_behaves_like 'returning the npm package info'
+    end
+
+    context 'with request forward disabled' do
+      before do
+        stub_application_setting(npm_package_requests_forwarding: false)
+      end
+
+      it_behaves_like 'returning the npm package info'
+
+      context 'with unknown package' do
+        let(:package_name) { 'unknown' }
+
+        it 'returns the proper response' do
+          subject
+
+          expect(response).to have_gitlab_http_status(:not_found)
+        end
+      end
+    end
+
+    context 'with request forward enabled' do
+      before do
+        stub_application_setting(npm_package_requests_forwarding: true)
+      end
+
+      it_behaves_like 'returning the npm package info'
+
+      context 'with unknown package' do
+        let(:package_name) { 'unknown' }
+
+        it 'returns a redirect' do
+          subject
+
+          expect(response).to have_gitlab_http_status(:found)
+          expect(response.headers['Location']).to eq('https://registry.npmjs.org/unknown')
+        end
+
+        it_behaves_like 'a gitlab tracking event', described_class.name, 'npm_request_forward'
+      end
+    end
+  end
+
+  context 'internal project' do
+    before do
+      project.update!(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
+    end
+
+    it_behaves_like 'a package that requires auth'
+  end
+
+  context 'private project' do
+    before do
+      project.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
+    end
+
+    it_behaves_like 'a package that requires auth'
+
+    context 'with guest' do
+      let(:params) { { access_token: token.token } }
+
+      it 'denies request when not enough permissions' do
+        project.add_guest(user)
+
+        subject
+
+        expect(response).to have_gitlab_http_status(:forbidden)
+      end
+    end
+  end
+
+  def expect_a_valid_package_response
+    expect(response).to have_gitlab_http_status(:ok)
+    expect(response.media_type).to eq('application/json')
+    expect(response).to match_response_schema('public_api/v4/packages/npm_package')
+    expect(json_response['name']).to eq(package.name)
+    expect(json_response['versions'][package.version]).to match_schema('public_api/v4/packages/npm_package_version')
+    ::Packages::Npm::PackagePresenter::NPM_VALID_DEPENDENCY_TYPES.each do |dependency_type|
+      expect(json_response.dig('versions', package.version, dependency_type.to_s)).to be_any
+    end
+    expect(json_response['dist-tags']).to match_schema('public_api/v4/packages/npm_package_tags')
+  end
+end
+
+RSpec.shared_examples 'handling get dist tags requests' do
+  let_it_be(:package_tag1) { create(:packages_tag, package: package) }
+  let_it_be(:package_tag2) { create(:packages_tag, package: package) }
+
+  let(:params) { {} }
+
+  subject { get(url, params: params) }
+
+  context 'with public project' do
+    context 'with authenticated user' do
+      let(:params) { { private_token: personal_access_token.token } }
+
+      it_behaves_like 'returns package tags', :maintainer
+      it_behaves_like 'returns package tags', :developer
+      it_behaves_like 'returns package tags', :reporter
+      it_behaves_like 'returns package tags', :guest
+    end
+
+    context 'with unauthenticated user' do
+      it_behaves_like 'returns package tags', :no_type
+    end
+  end
+
+  context 'with private project' do
+    before do
+      project.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
+    end
+
+    context 'with authenticated user' do
+      let(:params) { { private_token: personal_access_token.token } }
+
+      it_behaves_like 'returns package tags', :maintainer
+      it_behaves_like 'returns package tags', :developer
+      it_behaves_like 'returns package tags', :reporter
+      it_behaves_like 'rejects package tags access', :guest, :forbidden
+    end
+
+    context 'with unauthenticated user' do
+      it_behaves_like 'rejects package tags access', :no_type, :not_found
+    end
+  end
+end
+
+RSpec.shared_examples 'handling create dist tag requests' do
+  let_it_be(:tag_name) { 'test' }
+
+  let(:params) { {} }
+  let(:env) { {} }
+  let(:version) { package.version }
+
+  subject { put(url, env: env, params: params) }
+
+  context 'with public project' do
+    context 'with authenticated user' do
+      let(:params) { { private_token: personal_access_token.token } }
+      let(:env) { { 'api.request.body': version } }
+
+      it_behaves_like 'create package tag', :maintainer
+      it_behaves_like 'create package tag', :developer
+      it_behaves_like 'rejects package tags access', :reporter, :forbidden
+      it_behaves_like 'rejects package tags access', :guest, :forbidden
+    end
+
+    context 'with unauthenticated user' do
+      it_behaves_like 'rejects package tags access', :no_type, :unauthorized
+    end
+  end
+end
+
+RSpec.shared_examples 'handling delete dist tag requests' do
+  let_it_be(:package_tag) { create(:packages_tag, package: package) }
+
+  let(:params) { {} }
+  let(:tag_name) { package_tag.name }
+
+  subject { delete(url, params: params) }
+
+  context 'with public project' do
+    context 'with authenticated user' do
+      let(:params) { { private_token: personal_access_token.token } }
+
+      it_behaves_like 'delete package tag', :maintainer
+      it_behaves_like 'rejects package tags access', :developer, :forbidden
+      it_behaves_like 'rejects package tags access', :reporter, :forbidden
+      it_behaves_like 'rejects package tags access', :guest, :forbidden
+    end
+
+    context 'with unauthenticated user' do
+      it_behaves_like 'rejects package tags access', :no_type, :unauthorized
+    end
+  end
+
+  context 'with private project' do
+    before do
+      project.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
+    end
+
+    context 'with authenticated user' do
+      let(:params) { { private_token: personal_access_token.token } }
+
+      it_behaves_like 'delete package tag', :maintainer
+      it_behaves_like 'rejects package tags access', :developer, :forbidden
+      it_behaves_like 'rejects package tags access', :reporter, :forbidden
+      it_behaves_like 'rejects package tags access', :guest, :forbidden
+    end
+
+    context 'with unauthenticated user' do
+      it_behaves_like 'rejects package tags access', :no_type, :unauthorized
+    end
+  end
+end