789 lines
26 KiB
Ruby
789 lines
26 KiB
Ruby
require 'spec_helper'
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describe Gitlab::GitAccess do
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set(:user) { create(:user) }
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let(:actor) { user }
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let(:project) { create(:project, :repository) }
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let(:protocol) { 'ssh' }
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let(:authentication_abilities) { %i[read_project download_code push_code] }
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let(:redirected_path) { nil }
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let(:access) { described_class.new(actor, project, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
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let(:push_access_check) { access.check('git-receive-pack', '_any') }
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let(:pull_access_check) { access.check('git-upload-pack', '_any') }
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describe '#check with single protocols allowed' do
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def disable_protocol(protocol)
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allow(Gitlab::ProtocolAccess).to receive(:allowed?).with(protocol).and_return(false)
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end
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context 'ssh disabled' do
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before do
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disable_protocol('ssh')
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end
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it 'blocks ssh git push and pull' do
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aggregate_failures do
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expect { push_access_check }.to raise_unauthorized('Git access over SSH is not allowed')
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expect { pull_access_check }.to raise_unauthorized('Git access over SSH is not allowed')
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end
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end
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end
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context 'http disabled' do
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let(:protocol) { 'http' }
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before do
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disable_protocol('http')
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end
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it 'blocks http push and pull' do
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aggregate_failures do
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expect { push_access_check }.to raise_unauthorized('Git access over HTTP is not allowed')
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expect { pull_access_check }.to raise_unauthorized('Git access over HTTP is not allowed')
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end
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end
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end
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end
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describe '#check_project_accessibility!' do
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context 'when the project exists' do
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context 'when actor exists' do
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context 'when actor is a DeployKey' do
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let(:deploy_key) { create(:deploy_key, user: user) }
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let(:actor) { deploy_key }
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context 'when the DeployKey has access to the project' do
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before do
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deploy_key.deploy_keys_projects.create(project: project, can_push: true)
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end
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it 'allows push and pull access' do
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aggregate_failures do
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expect { push_access_check }.not_to raise_error
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expect { pull_access_check }.not_to raise_error
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end
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end
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end
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context 'when the Deploykey does not have access to the project' do
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it 'blocks push and pull with "not found"' do
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aggregate_failures do
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expect { push_access_check }.to raise_not_found
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expect { pull_access_check }.to raise_not_found
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end
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end
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end
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end
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context 'when actor is a User' do
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context 'when the User can read the project' do
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before do
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project.add_master(user)
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end
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it 'allows push and pull access' do
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aggregate_failures do
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expect { pull_access_check }.not_to raise_error
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expect { push_access_check }.not_to raise_error
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end
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end
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end
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context 'when the User cannot read the project' do
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it 'blocks push and pull with "not found"' do
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aggregate_failures do
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expect { push_access_check }.to raise_not_found
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expect { pull_access_check }.to raise_not_found
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end
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end
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end
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end
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# For backwards compatibility
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context 'when actor is :ci' do
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let(:actor) { :ci }
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let(:authentication_abilities) { build_authentication_abilities }
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it 'allows pull access' do
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expect { pull_access_check }.not_to raise_error
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end
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it 'does not block pushes with "not found"' do
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expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload])
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end
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end
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end
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context 'when actor is nil' do
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let(:actor) { nil }
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context 'when guests can read the project' do
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let(:project) { create(:project, :repository, :public) }
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it 'allows pull access' do
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expect { pull_access_check }.not_to raise_error
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end
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it 'does not block pushes with "not found"' do
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expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload])
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end
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end
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context 'when guests cannot read the project' do
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it 'blocks pulls with "not found"' do
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expect { pull_access_check }.to raise_not_found
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end
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it 'blocks pushes with "not found"' do
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expect { push_access_check }.to raise_not_found
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end
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end
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end
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end
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context 'when the project is nil' do
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let(:project) { nil }
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it 'blocks push and pull with "not found"' do
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aggregate_failures do
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expect { pull_access_check }.to raise_not_found
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expect { push_access_check }.to raise_not_found
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end
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end
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end
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end
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shared_examples '#check with a key that is not valid' do
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before do
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project.add_master(user)
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end
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context 'key is too small' do
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before do
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stub_application_setting(rsa_key_restriction: 4096)
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end
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it 'does not allow keys which are too small', :aggregate_failures do
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expect(actor).not_to be_valid
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expect { pull_access_check }.to raise_unauthorized('Your SSH key must be at least 4096 bits.')
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expect { push_access_check }.to raise_unauthorized('Your SSH key must be at least 4096 bits.')
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end
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end
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context 'key type is not allowed' do
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before do
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stub_application_setting(rsa_key_restriction: ApplicationSetting::FORBIDDEN_KEY_VALUE)
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end
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it 'does not allow keys which are too small', :aggregate_failures do
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expect(actor).not_to be_valid
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expect { pull_access_check }.to raise_unauthorized(/Your SSH key type is forbidden/)
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expect { push_access_check }.to raise_unauthorized(/Your SSH key type is forbidden/)
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end
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end
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end
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it_behaves_like '#check with a key that is not valid' do
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let(:actor) { build(:rsa_key_2048, user: user) }
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end
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it_behaves_like '#check with a key that is not valid' do
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let(:actor) { build(:rsa_deploy_key_2048, user: user) }
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end
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shared_examples 'check_project_moved' do
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it 'enqueues a redirected message' do
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push_access_check
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expect(Gitlab::Checks::ProjectMoved.fetch_redirect_message(user.id, project.id)).not_to be_nil
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end
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end
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describe '#check_project_moved!', :clean_gitlab_redis_shared_state do
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before do
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project.add_master(user)
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end
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context 'when a redirect was not followed to find the project' do
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it 'allows push and pull access' do
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aggregate_failures do
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expect { push_access_check }.not_to raise_error
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expect { pull_access_check }.not_to raise_error
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end
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end
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end
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context 'when a permanent redirect and ssh protocol' do
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let(:redirected_path) { 'some/other-path' }
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before do
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allow_any_instance_of(Gitlab::Checks::ProjectMoved).to receive(:permanent_redirect?).and_return(true)
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end
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it 'allows push and pull access' do
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aggregate_failures do
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expect { push_access_check }.not_to raise_error
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end
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end
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it_behaves_like 'check_project_moved'
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end
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context 'with a permanent redirect and http protocol' do
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let(:redirected_path) { 'some/other-path' }
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let(:protocol) { 'http' }
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before do
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allow_any_instance_of(Gitlab::Checks::ProjectMoved).to receive(:permanent_redirect?).and_return(true)
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end
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it 'allows_push and pull access' do
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aggregate_failures do
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expect { push_access_check }.not_to raise_error
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end
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end
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it_behaves_like 'check_project_moved'
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end
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context 'with a temporal redirect and ssh protocol' do
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let(:redirected_path) { 'some/other-path' }
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it 'blocks push and pull access' do
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aggregate_failures do
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expect { push_access_check }.to raise_error(described_class::ProjectMovedError, /Project '#{redirected_path}' was moved to '#{project.full_path}'/)
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expect { push_access_check }.to raise_error(described_class::ProjectMovedError, /git remote set-url origin #{project.ssh_url_to_repo}/)
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expect { pull_access_check }.to raise_error(described_class::ProjectMovedError, /Project '#{redirected_path}' was moved to '#{project.full_path}'/)
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expect { pull_access_check }.to raise_error(described_class::ProjectMovedError, /git remote set-url origin #{project.ssh_url_to_repo}/)
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end
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end
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end
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context 'with a temporal redirect and http protocol' do
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let(:redirected_path) { 'some/other-path' }
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let(:protocol) { 'http' }
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it 'does not allow to push and pull access' do
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expect { push_access_check }.to raise_error(described_class::ProjectMovedError, /git remote set-url origin #{project.http_url_to_repo}/)
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expect { pull_access_check }.to raise_error(described_class::ProjectMovedError, /git remote set-url origin #{project.http_url_to_repo}/)
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end
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end
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end
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describe '#check_command_disabled!' do
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before do
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project.add_master(user)
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end
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context 'over http' do
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let(:protocol) { 'http' }
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context 'when the git-upload-pack command is disabled in config' do
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before do
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allow(Gitlab.config.gitlab_shell).to receive(:upload_pack).and_return(false)
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end
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context 'when calling git-upload-pack' do
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it { expect { pull_access_check }.to raise_unauthorized('Pulling over HTTP is not allowed.') }
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end
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context 'when calling git-receive-pack' do
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it { expect { push_access_check }.not_to raise_error }
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end
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end
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context 'when the git-receive-pack command is disabled in config' do
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before do
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allow(Gitlab.config.gitlab_shell).to receive(:receive_pack).and_return(false)
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end
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context 'when calling git-receive-pack' do
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it { expect { push_access_check }.to raise_unauthorized('Pushing over HTTP is not allowed.') }
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end
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context 'when calling git-upload-pack' do
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it { expect { pull_access_check }.not_to raise_error }
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end
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end
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end
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end
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describe '#check_download_access!' do
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it 'allows masters to pull' do
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project.add_master(user)
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expect { pull_access_check }.not_to raise_error
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end
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it 'disallows guests to pull' do
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project.add_guest(user)
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expect { pull_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:download])
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end
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it 'disallows blocked users to pull' do
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project.add_master(user)
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user.block
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expect { pull_access_check }.to raise_unauthorized('Your account has been blocked.')
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end
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describe 'without access to project' do
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context 'pull code' do
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it { expect { pull_access_check }.to raise_not_found }
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end
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context 'when project is public' do
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let(:public_project) { create(:project, :public, :repository) }
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let(:access) { described_class.new(nil, public_project, 'web', authentication_abilities: []) }
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context 'when repository is enabled' do
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it 'give access to download code' do
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expect { pull_access_check }.not_to raise_error
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end
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end
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context 'when repository is disabled' do
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it 'does not give access to download code' do
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public_project.project_feature.update_attribute(:repository_access_level, ProjectFeature::DISABLED)
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expect { pull_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:download])
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end
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end
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end
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end
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describe 'deploy key permissions' do
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let(:key) { create(:deploy_key, user: user) }
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let(:actor) { key }
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context 'pull code' do
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context 'when project is authorized' do
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before do
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key.projects << project
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end
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it { expect { pull_access_check }.not_to raise_error }
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end
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context 'when unauthorized' do
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context 'from public project' do
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let(:project) { create(:project, :public, :repository) }
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it { expect { pull_access_check }.not_to raise_error }
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end
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context 'from internal project' do
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let(:project) { create(:project, :internal, :repository) }
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it { expect { pull_access_check }.to raise_not_found }
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end
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context 'from private project' do
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let(:project) { create(:project, :private, :repository) }
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it { expect { pull_access_check }.to raise_not_found }
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end
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end
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end
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end
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describe 'build authentication_abilities permissions' do
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let(:authentication_abilities) { build_authentication_abilities }
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describe 'owner' do
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let(:project) { create(:project, :repository, namespace: user.namespace) }
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context 'pull code' do
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it { expect { pull_access_check }.not_to raise_error }
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end
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end
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describe 'reporter user' do
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before do
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project.add_reporter(user)
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end
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context 'pull code' do
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it { expect { pull_access_check }.not_to raise_error }
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end
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end
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describe 'admin user' do
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let(:user) { create(:admin) }
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context 'when member of the project' do
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before do
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project.add_reporter(user)
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end
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context 'pull code' do
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it { expect { pull_access_check }.not_to raise_error }
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end
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end
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context 'when is not member of the project' do
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context 'pull code' do
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it { expect { pull_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:download]) }
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end
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end
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end
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describe 'generic CI (build without a user)' do
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let(:actor) { :ci }
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context 'pull code' do
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it { expect { pull_access_check }.not_to raise_error }
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end
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end
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end
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end
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describe '#check_push_access!' do
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before do
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merge_into_protected_branch
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end
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let(:unprotected_branch) { 'unprotected_branch' }
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let(:changes) do
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{ push_new_branch: "#{Gitlab::Git::BLANK_SHA} 570e7b2ab refs/heads/wow",
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push_master: '6f6d7e7ed 570e7b2ab refs/heads/master',
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push_protected_branch: '6f6d7e7ed 570e7b2ab refs/heads/feature',
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push_remove_protected_branch: "570e7b2ab #{Gitlab::Git::BLANK_SHA} "\
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'refs/heads/feature',
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push_tag: '6f6d7e7ed 570e7b2ab refs/tags/v1.0.0',
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push_new_tag: "#{Gitlab::Git::BLANK_SHA} 570e7b2ab refs/tags/v7.8.9",
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push_all: ['6f6d7e7ed 570e7b2ab refs/heads/master', '6f6d7e7ed 570e7b2ab refs/heads/feature'],
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merge_into_protected_branch: "0b4bc9a #{merge_into_protected_branch} refs/heads/feature" }
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end
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def stub_git_hooks
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# Running the `pre-receive` hook is expensive, and not necessary for this test.
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allow_any_instance_of(Gitlab::Git::HooksService).to receive(:execute) do |service, &block|
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block.call(service)
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end
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end
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def merge_into_protected_branch
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@protected_branch_merge_commit ||= begin
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stub_git_hooks
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project.repository.add_branch(user, unprotected_branch, 'feature')
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target_branch = project.repository.lookup('feature')
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source_branch = project.repository.create_file(
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user,
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'filename',
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'This is the file content',
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message: 'This is a good commit message',
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branch_name: unprotected_branch)
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rugged = project.repository.rugged
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author = { email: "email@example.com", time: Time.now, name: "Example Git User" }
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merge_index = rugged.merge_commits(target_branch, source_branch)
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Rugged::Commit.create(rugged, author: author, committer: author, message: "commit message", parents: [target_branch, source_branch], tree: merge_index.write_tree(rugged))
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end
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end
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def self.run_permission_checks(permissions_matrix)
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permissions_matrix.each_pair do |role, matrix|
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# Run through the entire matrix for this role in one test to avoid
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# repeated setup.
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#
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# Expectations are given a custom failure message proc so that it's
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# easier to identify which check(s) failed.
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it "has the correct permissions for #{role}s" do
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if role == :admin
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user.update_attribute(:admin, true)
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else
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project.add_role(user, role)
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end
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aggregate_failures do
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matrix.each do |action, allowed|
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check = -> { access.send(:check_push_access!, changes[action]) }
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if allowed
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expect(&check).not_to raise_error,
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-> { "expected #{action} to be allowed" }
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else
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expect(&check).to raise_error(Gitlab::GitAccess::UnauthorizedError),
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-> { "expected #{action} to be disallowed" }
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end
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end
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end
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end
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end
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end
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permissions_matrix = {
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admin: {
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push_new_branch: true,
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push_master: true,
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push_protected_branch: true,
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push_remove_protected_branch: false,
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push_tag: true,
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push_new_tag: true,
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push_all: true,
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merge_into_protected_branch: true
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},
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master: {
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push_new_branch: true,
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push_master: true,
|
|
push_protected_branch: true,
|
|
push_remove_protected_branch: false,
|
|
push_tag: true,
|
|
push_new_tag: true,
|
|
push_all: true,
|
|
merge_into_protected_branch: true
|
|
},
|
|
|
|
developer: {
|
|
push_new_branch: true,
|
|
push_master: true,
|
|
push_protected_branch: false,
|
|
push_remove_protected_branch: false,
|
|
push_tag: false,
|
|
push_new_tag: true,
|
|
push_all: false,
|
|
merge_into_protected_branch: false
|
|
},
|
|
|
|
reporter: {
|
|
push_new_branch: false,
|
|
push_master: false,
|
|
push_protected_branch: false,
|
|
push_remove_protected_branch: false,
|
|
push_tag: false,
|
|
push_new_tag: false,
|
|
push_all: false,
|
|
merge_into_protected_branch: false
|
|
},
|
|
|
|
guest: {
|
|
push_new_branch: false,
|
|
push_master: false,
|
|
push_protected_branch: false,
|
|
push_remove_protected_branch: false,
|
|
push_tag: false,
|
|
push_new_tag: false,
|
|
push_all: false,
|
|
merge_into_protected_branch: false
|
|
}
|
|
}
|
|
|
|
[%w(feature exact), ['feat*', 'wildcard']].each do |protected_branch_name, protected_branch_type|
|
|
context do
|
|
before do
|
|
create(:protected_branch, name: protected_branch_name, project: project)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix)
|
|
end
|
|
|
|
context "when developers are allowed to push into the #{protected_branch_type} protected branch" do
|
|
before do
|
|
create(:protected_branch, :developers_can_push, name: protected_branch_name, project: project)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { push_protected_branch: true, push_all: true, merge_into_protected_branch: true }))
|
|
end
|
|
|
|
context "developers are allowed to merge into the #{protected_branch_type} protected branch" do
|
|
before do
|
|
create(:protected_branch, :developers_can_merge, name: protected_branch_name, project: project)
|
|
end
|
|
|
|
context "when a merge request exists for the given source/target branch" do
|
|
context "when the merge request is in progress" do
|
|
before do
|
|
create(:merge_request, source_project: project, source_branch: unprotected_branch, target_branch: 'feature',
|
|
state: 'locked', in_progress_merge_commit_sha: merge_into_protected_branch)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { merge_into_protected_branch: true }))
|
|
end
|
|
|
|
context "when the merge request is not in progress" do
|
|
before do
|
|
create(:merge_request, source_project: project, source_branch: unprotected_branch, target_branch: 'feature', in_progress_merge_commit_sha: nil)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { merge_into_protected_branch: false }))
|
|
end
|
|
|
|
context "when a merge request does not exist for the given source/target branch" do
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { merge_into_protected_branch: false }))
|
|
end
|
|
end
|
|
end
|
|
|
|
context "when developers are allowed to push and merge into the #{protected_branch_type} protected branch" do
|
|
before do
|
|
create(:protected_branch, :developers_can_merge, :developers_can_push, name: protected_branch_name, project: project)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { push_protected_branch: true, push_all: true, merge_into_protected_branch: true }))
|
|
end
|
|
|
|
context "when no one is allowed to push to the #{protected_branch_name} protected branch" do
|
|
before do
|
|
create(:protected_branch, :no_one_can_push, name: protected_branch_name, project: project)
|
|
end
|
|
|
|
run_permission_checks(permissions_matrix.deep_merge(developer: { push_protected_branch: false, push_all: false, merge_into_protected_branch: false },
|
|
master: { push_protected_branch: false, push_all: false, merge_into_protected_branch: false },
|
|
admin: { push_protected_branch: false, push_all: false, merge_into_protected_branch: false }))
|
|
end
|
|
end
|
|
|
|
context "when in a read-only GitLab instance" do
|
|
before do
|
|
create(:protected_branch, name: 'feature', project: project)
|
|
allow(Gitlab::Database).to receive(:read_only?) { true }
|
|
end
|
|
|
|
# Only check admin; if an admin can't do it, other roles can't either
|
|
matrix = permissions_matrix[:admin].dup
|
|
matrix.each { |key, _| matrix[key] = false }
|
|
|
|
run_permission_checks(admin: matrix)
|
|
end
|
|
end
|
|
|
|
describe 'build authentication abilities' do
|
|
let(:authentication_abilities) { build_authentication_abilities }
|
|
|
|
context 'when project is authorized' do
|
|
before do
|
|
project.add_reporter(user)
|
|
end
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload]) }
|
|
end
|
|
|
|
context 'when unauthorized' do
|
|
context 'to public project' do
|
|
let(:project) { create(:project, :public, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload]) }
|
|
end
|
|
|
|
context 'to internal project' do
|
|
let(:project) { create(:project, :internal, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload]) }
|
|
end
|
|
|
|
context 'to private project' do
|
|
let(:project) { create(:project, :private, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_not_found }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when the repository is read only' do
|
|
let(:project) { create(:project, :repository, :read_only) }
|
|
|
|
it 'denies push access' do
|
|
project.add_master(user)
|
|
|
|
expect { push_access_check }.to raise_unauthorized('The repository is temporarily read-only. Please try again later.')
|
|
end
|
|
end
|
|
|
|
describe 'deploy key permissions' do
|
|
let(:key) { create(:deploy_key, user: user) }
|
|
let(:actor) { key }
|
|
|
|
context 'when deploy_key can push' do
|
|
context 'when project is authorized' do
|
|
before do
|
|
key.deploy_keys_projects.create(project: project, can_push: true)
|
|
end
|
|
|
|
it { expect { push_access_check }.not_to raise_error }
|
|
end
|
|
|
|
context 'when unauthorized' do
|
|
context 'to public project' do
|
|
let(:project) { create(:project, :public, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:deploy_key_upload]) }
|
|
end
|
|
|
|
context 'to internal project' do
|
|
let(:project) { create(:project, :internal, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_not_found }
|
|
end
|
|
|
|
context 'to private project' do
|
|
let(:project) { create(:project, :private, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_not_found }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when deploy_key cannot push' do
|
|
context 'when project is authorized' do
|
|
before do
|
|
key.deploy_keys_projects.create(project: project, can_push: false)
|
|
end
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:deploy_key_upload]) }
|
|
end
|
|
|
|
context 'when unauthorized' do
|
|
context 'to public project' do
|
|
let(:project) { create(:project, :public, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:deploy_key_upload]) }
|
|
end
|
|
|
|
context 'to internal project' do
|
|
let(:project) { create(:project, :internal, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_not_found }
|
|
end
|
|
|
|
context 'to private project' do
|
|
let(:project) { create(:project, :private, :repository) }
|
|
|
|
it { expect { push_access_check }.to raise_not_found }
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def raise_unauthorized(message)
|
|
raise_error(Gitlab::GitAccess::UnauthorizedError, message)
|
|
end
|
|
|
|
def raise_not_found
|
|
raise_error(Gitlab::GitAccess::NotFoundError,
|
|
Gitlab::GitAccess::ERROR_MESSAGES[:project_not_found])
|
|
end
|
|
|
|
def build_authentication_abilities
|
|
[
|
|
:read_project,
|
|
:build_download_code
|
|
]
|
|
end
|
|
|
|
def full_authentication_abilities
|
|
[
|
|
:read_project,
|
|
:download_code,
|
|
:push_code
|
|
]
|
|
end
|
|
end
|