require 'spec_helper' describe Gitlab::Octokit::Middleware do let(:app) { double(:app) } let(:middleware) { described_class.new(app) } shared_examples 'Public URL' do it 'does not raise an error' do expect(app).to receive(:call).with(env) expect { middleware.call(env) }.not_to raise_error end end shared_examples 'Local URL' do it 'raises an error' do expect { middleware.call(env) }.to raise_error(Gitlab::UrlBlocker::BlockedUrlError) end end describe '#call' do context 'when the URL is a public URL' do let(:env) { { url: 'https://public-url.com' } } it_behaves_like 'Public URL' end context 'when the URL is a localhost adresss' do let(:env) { { url: 'http://127.0.0.1' } } context 'when localhost requests are not allowed' do before do stub_application_setting(allow_local_requests_from_hooks_and_services: false) end it_behaves_like 'Local URL' end context 'when localhost requests are allowed' do before do stub_application_setting(allow_local_requests_from_hooks_and_services: true) end it_behaves_like 'Public URL' end end context 'when the URL is a local network address' do let(:env) { { url: 'http://172.16.0.0' } } context 'when local network requests are not allowed' do before do stub_application_setting(allow_local_requests_from_hooks_and_services: false) end it_behaves_like 'Local URL' end context 'when local network requests are allowed' do before do stub_application_setting(allow_local_requests_from_hooks_and_services: true) end it_behaves_like 'Public URL' end end end end