require 'spec_helper'

describe Gitlab::HTTP do
  include StubRequests

  context 'when allow_local_requests' do
    it 'sends the request to the correct URI' do
      stub_full_request('https://example.org:8080', ip_address: '8.8.8.8').to_return(status: 200)

      described_class.get('https://example.org:8080', allow_local_requests: false)

      expect(WebMock).to have_requested(:get, 'https://8.8.8.8:8080').once
    end
  end

  context 'when not allow_local_requests' do
    it 'sends the request to the correct URI' do
      stub_full_request('https://example.org:8080')

      described_class.get('https://example.org:8080', allow_local_requests: true)

      expect(WebMock).to have_requested(:get, 'https://8.8.8.9:8080').once
    end
  end

  describe 'allow_local_requests_from_web_hooks_and_services is' do
    before do
      WebMock.stub_request(:get, /.*/).to_return(status: 200, body: 'Success')
    end

    context 'disabled' do
      before do
        allow(Gitlab::CurrentSettings).to receive(:allow_local_requests_from_web_hooks_and_services?).and_return(false)
      end

      it 'deny requests to localhost' do
        expect { described_class.get('http://localhost:3003') }.to raise_error(Gitlab::HTTP::BlockedUrlError)
      end

      it 'deny requests to private network' do
        expect { described_class.get('http://192.168.1.2:3003') }.to raise_error(Gitlab::HTTP::BlockedUrlError)
      end

      context 'if allow_local_requests set to true' do
        it 'override the global value and allow requests to localhost or private network' do
          stub_full_request('http://localhost:3003')

          expect { described_class.get('http://localhost:3003', allow_local_requests: true) }.not_to raise_error
        end
      end
    end

    context 'enabled' do
      before do
        allow(Gitlab::CurrentSettings).to receive(:allow_local_requests_from_web_hooks_and_services?).and_return(true)
      end

      it 'allow requests to localhost' do
        stub_full_request('http://localhost:3003')

        expect { described_class.get('http://localhost:3003') }.not_to raise_error
      end

      it 'allow requests to private network' do
        expect { described_class.get('http://192.168.1.2:3003') }.not_to raise_error
      end

      context 'if allow_local_requests set to false' do
        it 'override the global value and ban requests to localhost or private network' do
          expect { described_class.get('http://localhost:3003', allow_local_requests: false) }.to raise_error(Gitlab::HTTP::BlockedUrlError)
        end
      end
    end
  end

  describe 'handle redirect loops' do
    before do
      stub_full_request("http://example.org", method: :any).to_raise(HTTParty::RedirectionTooDeep.new("Redirection Too Deep"))
    end

    it 'handles GET requests' do
      expect { described_class.get('http://example.org') }.to raise_error(Gitlab::HTTP::RedirectionTooDeep)
    end

    it 'handles POST requests' do
      expect { described_class.post('http://example.org') }.to raise_error(Gitlab::HTTP::RedirectionTooDeep)
    end

    it 'handles PUT requests' do
      expect { described_class.put('http://example.org') }.to raise_error(Gitlab::HTTP::RedirectionTooDeep)
    end

    it 'handles DELETE requests' do
      expect { described_class.delete('http://example.org') }.to raise_error(Gitlab::HTTP::RedirectionTooDeep)
    end

    it 'handles HEAD requests' do
      expect { described_class.head('http://example.org') }.to raise_error(Gitlab::HTTP::RedirectionTooDeep)
    end
  end
end
