# frozen_string_literal: true require 'spec_helper' RSpec.describe Gitlab::HTTPConnectionAdapter do include StubRequests let(:uri) { URI('https://example.org') } let(:options) { {} } subject(:connection) { described_class.new(uri, options).connection } describe '#connection' do before do stub_all_dns('https://example.org', ip_address: '93.184.216.34') end context 'when local requests are allowed' do let(:options) { { allow_local_requests: true } } it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('93.184.216.34') expect(connection.hostname_override).to eq('example.org') expect(connection.addr_port).to eq('example.org') expect(connection.port).to eq(443) end end context 'when local requests are not allowed' do let(:options) { { allow_local_requests: false } } it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('93.184.216.34') expect(connection.hostname_override).to eq('example.org') expect(connection.addr_port).to eq('example.org') expect(connection.port).to eq(443) end context 'when it is a request to local network' do let(:uri) { URI('http://172.16.0.0/12') } it 'raises error' do expect { subject }.to raise_error( Gitlab::HTTP::BlockedUrlError, "URL 'http://172.16.0.0/12' is blocked: Requests to the local network are not allowed" ) end context 'when local request allowed' do let(:options) { { allow_local_requests: true } } it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('172.16.0.0') expect(connection.hostname_override).to be(nil) expect(connection.addr_port).to eq('172.16.0.0') expect(connection.port).to eq(80) end end end context 'when it is a request to local address' do let(:uri) { URI('http://127.0.0.1') } it 'raises error' do expect { subject }.to raise_error( Gitlab::HTTP::BlockedUrlError, "URL 'http://127.0.0.1' is blocked: Requests to localhost are not allowed" ) end context 'when local request allowed' do let(:options) { { allow_local_requests: true } } it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('127.0.0.1') expect(connection.hostname_override).to be(nil) expect(connection.addr_port).to eq('127.0.0.1') expect(connection.port).to eq(80) end end end context 'when port different from URL scheme is used' do let(:uri) { URI('https://example.org:8080') } it 'sets up the addr_port accordingly' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('93.184.216.34') expect(connection.hostname_override).to eq('example.org') expect(connection.addr_port).to eq('example.org:8080') expect(connection.port).to eq(8080) end end end context 'when DNS rebinding protection is disabled' do before do stub_application_setting(dns_rebinding_protection_enabled: false) end it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('example.org') expect(connection.hostname_override).to eq(nil) expect(connection.addr_port).to eq('example.org') expect(connection.port).to eq(443) end end context 'when http(s) environment variable is set' do before do stub_env('https_proxy' => 'https://my.proxy') end it 'sets up the connection' do expect(connection).to be_a(Net::HTTP) expect(connection.address).to eq('example.org') expect(connection.hostname_override).to eq(nil) expect(connection.addr_port).to eq('example.org') expect(connection.port).to eq(443) end end end end