gitlab-org--gitlab-foss/spec/lib/gitlab/workhorse_spec.rb
2018-02-07 13:40:46 +00:00

485 lines
14 KiB
Ruby

require 'spec_helper'
describe Gitlab::Workhorse do
let(:project) { create(:project, :repository) }
let(:repository) { project.repository }
def decode_workhorse_header(array)
key, value = array
command, encoded_params = value.split(":")
params = JSON.parse(Base64.urlsafe_decode64(encoded_params))
[key, command, params]
end
describe ".send_git_archive" do
let(:ref) { 'master' }
let(:format) { 'zip' }
let(:storage_path) { Gitlab.config.gitlab.repository_downloads_path }
let(:base_params) { repository.archive_metadata(ref, storage_path, format) }
let(:gitaly_params) do
base_params.merge(
'GitalyServer' => {
'address' => Gitlab::GitalyClient.address(project.repository_storage),
'token' => Gitlab::GitalyClient.token(project.repository_storage)
},
'GitalyRepository' => repository.gitaly_repository.to_h.deep_stringify_keys
)
end
let(:cache_disabled) { false }
subject do
described_class.send_git_archive(repository, ref: ref, format: format)
end
before do
allow(described_class).to receive(:git_archive_cache_disabled?).and_return(cache_disabled)
end
context 'when Gitaly workhorse_archive feature is enabled' do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq('Gitlab-Workhorse-Send-Data')
expect(command).to eq('git-archive')
expect(params).to include(gitaly_params)
end
context 'when archive caching is disabled' do
let(:cache_disabled) { true }
it 'tells workhorse not to use the cache' do
_, _, params = decode_workhorse_header(subject)
expect(params).to include({ 'DisableCache' => true })
end
end
end
context 'when Gitaly workhorse_archive feature is disabled', :skip_gitaly_mock do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq('Gitlab-Workhorse-Send-Data')
expect(command).to eq('git-archive')
expect(params).to eq(base_params)
end
end
context "when the repository doesn't have an archive file path" do
before do
allow(project.repository).to receive(:archive_metadata).and_return(Hash.new)
end
it "raises an error" do
expect { subject }.to raise_error(RuntimeError)
end
end
end
describe '.send_git_patch' do
let(:diff_refs) { double(base_sha: "base", head_sha: "head") }
subject { described_class.send_git_patch(repository, diff_refs) }
context 'when Gitaly workhorse_send_git_patch feature is enabled' do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq("Gitlab-Workhorse-Send-Data")
expect(command).to eq("git-format-patch")
expect(params).to eq({
'GitalyServer' => {
address: Gitlab::GitalyClient.address(project.repository_storage),
token: Gitlab::GitalyClient.token(project.repository_storage)
},
'RawPatchRequest' => Gitaly::RawPatchRequest.new(
repository: repository.gitaly_repository,
left_commit_id: 'base',
right_commit_id: 'head'
).to_json
}.deep_stringify_keys)
end
end
context 'when Gitaly workhorse_send_git_patch feature is disabled', :skip_gitaly_mock do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq("Gitlab-Workhorse-Send-Data")
expect(command).to eq("git-format-patch")
expect(params).to eq("RepoPath" => repository.path_to_repo, "ShaFrom" => "base", "ShaTo" => "head")
end
end
end
describe '.terminal_websocket' do
def terminal(ca_pem: nil)
out = {
subprotocols: ['foo'],
url: 'wss://example.com/terminal.ws',
headers: { 'Authorization' => ['Token x'] },
max_session_time: 600
}
out[:ca_pem] = ca_pem if ca_pem
out
end
def workhorse(ca_pem: nil)
out = {
'Terminal' => {
'Subprotocols' => ['foo'],
'Url' => 'wss://example.com/terminal.ws',
'Header' => { 'Authorization' => ['Token x'] },
'MaxSessionTime' => 600
}
}
out['Terminal']['CAPem'] = ca_pem if ca_pem
out
end
context 'without ca_pem' do
subject { described_class.terminal_websocket(terminal) }
it { is_expected.to eq(workhorse) }
end
context 'with ca_pem' do
subject { described_class.terminal_websocket(terminal(ca_pem: "foo")) }
it { is_expected.to eq(workhorse(ca_pem: "foo")) }
end
end
describe '.send_git_diff' do
let(:diff_refs) { double(base_sha: "base", head_sha: "head") }
subject { described_class.send_git_diff(repository, diff_refs) }
context 'when Gitaly workhorse_send_git_diff feature is enabled' do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq("Gitlab-Workhorse-Send-Data")
expect(command).to eq("git-diff")
expect(params).to eq({
'GitalyServer' => {
address: Gitlab::GitalyClient.address(project.repository_storage),
token: Gitlab::GitalyClient.token(project.repository_storage)
},
'RawDiffRequest' => Gitaly::RawDiffRequest.new(
repository: repository.gitaly_repository,
left_commit_id: 'base',
right_commit_id: 'head'
).to_json
}.deep_stringify_keys)
end
end
context 'when Gitaly workhorse_send_git_diff feature is disabled', :skip_gitaly_mock do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq("Gitlab-Workhorse-Send-Data")
expect(command).to eq("git-diff")
expect(params).to eq("RepoPath" => repository.path_to_repo, "ShaFrom" => "base", "ShaTo" => "head")
end
end
end
describe ".secret" do
subject { described_class.secret }
before do
described_class.instance_variable_set(:@secret, nil)
described_class.write_secret
end
it 'returns 32 bytes' do
expect(subject).to be_a(String)
expect(subject.length).to eq(32)
expect(subject.encoding).to eq(Encoding::ASCII_8BIT)
end
it 'accepts a trailing newline' do
open(described_class.secret_path, 'a') { |f| f.write "\n" }
expect(subject.length).to eq(32)
end
it 'raises an exception if the secret file cannot be read' do
File.delete(described_class.secret_path)
expect { subject }.to raise_exception(Errno::ENOENT)
end
it 'raises an exception if the secret file contains the wrong number of bytes' do
File.truncate(described_class.secret_path, 0)
expect { subject }.to raise_exception(RuntimeError)
end
end
describe ".write_secret" do
let(:secret_path) { described_class.secret_path }
before do
begin
File.delete(secret_path)
rescue Errno::ENOENT
end
described_class.write_secret
end
it 'uses mode 0600' do
expect(File.stat(secret_path).mode & 0777).to eq(0600)
end
it 'writes base64 data' do
bytes = Base64.strict_decode64(File.read(secret_path))
expect(bytes).not_to be_empty
end
end
describe '#verify_api_request!' do
let(:header_key) { described_class::INTERNAL_API_REQUEST_HEADER }
let(:payload) { { 'iss' => 'gitlab-workhorse' } }
it 'accepts a correct header' do
headers = { header_key => JWT.encode(payload, described_class.secret, 'HS256') }
expect { call_verify(headers) }.not_to raise_error
end
it 'raises an error when the header is not set' do
expect { call_verify({}) }.to raise_jwt_error
end
it 'raises an error when the header is not signed' do
headers = { header_key => JWT.encode(payload, nil, 'none') }
expect { call_verify(headers) }.to raise_jwt_error
end
it 'raises an error when the header is signed with the wrong key' do
headers = { header_key => JWT.encode(payload, 'wrongkey', 'HS256') }
expect { call_verify(headers) }.to raise_jwt_error
end
it 'raises an error when the issuer is incorrect' do
payload['iss'] = 'somebody else'
headers = { header_key => JWT.encode(payload, described_class.secret, 'HS256') }
expect { call_verify(headers) }.to raise_jwt_error
end
def raise_jwt_error
raise_error(JWT::DecodeError)
end
def call_verify(headers)
described_class.verify_api_request!(headers)
end
end
describe '.git_http_ok' do
let(:user) { create(:user) }
let(:repo_path) { repository.path_to_repo }
let(:action) { 'info_refs' }
let(:params) do
{
GL_ID: "user-#{user.id}",
GL_USERNAME: user.username,
GL_REPOSITORY: "project-#{project.id}",
RepoPath: repo_path,
ShowAllRefs: false
}
end
subject { described_class.git_http_ok(repository, false, user, action) }
it { expect(subject).to include(params) }
context 'when is_wiki' do
let(:params) do
{
GL_ID: "user-#{user.id}",
GL_USERNAME: user.username,
GL_REPOSITORY: "wiki-#{project.id}",
RepoPath: repo_path,
ShowAllRefs: false
}
end
subject { described_class.git_http_ok(repository, true, user, action) }
it { expect(subject).to include(params) }
end
context 'when Gitaly is enabled' do
let(:gitaly_params) do
{
GitalyServer: {
address: Gitlab::GitalyClient.address('default'),
token: Gitlab::GitalyClient.token('default')
}
}
end
before do
allow(Gitlab.config.gitaly).to receive(:enabled).and_return(true)
end
it 'includes a Repository param' do
repo_param = {
storage_name: 'default',
relative_path: project.disk_path + '.git',
gl_repository: "project-#{project.id}"
}
expect(subject[:Repository]).to include(repo_param)
end
context "when git_upload_pack action is passed" do
let(:action) { 'git_upload_pack' }
let(:feature_flag) { :post_upload_pack }
it 'includes Gitaly params in the returned value' do
allow(Gitlab::GitalyClient).to receive(:feature_enabled?).with(feature_flag).and_return(true)
expect(subject).to include(gitaly_params)
end
context 'show_all_refs enabled' do
subject { described_class.git_http_ok(repository, false, user, action, show_all_refs: true) }
it { is_expected.to include(ShowAllRefs: true) }
end
end
context "when git_receive_pack action is passed" do
let(:action) { 'git_receive_pack' }
it { expect(subject).to include(gitaly_params) }
end
context "when info_refs action is passed" do
let(:action) { 'info_refs' }
it { expect(subject).to include(gitaly_params) }
context 'show_all_refs enabled' do
subject { described_class.git_http_ok(repository, false, user, action, show_all_refs: true) }
it { is_expected.to include(ShowAllRefs: true) }
end
end
context 'when action passed is not supported by Gitaly' do
let(:action) { 'download' }
it { expect { subject }.to raise_exception('Unsupported action: download') }
end
end
end
describe '.set_key_and_notify' do
let(:key) { 'test-key' }
let(:value) { 'test-value' }
subject { described_class.set_key_and_notify(key, value, overwrite: overwrite) }
shared_examples 'set and notify' do
it 'set and return the same value' do
is_expected.to eq(value)
end
it 'set and notify' do
expect_any_instance_of(::Redis).to receive(:publish)
.with(described_class::NOTIFICATION_CHANNEL, "test-key=test-value")
subject
end
end
context 'when we set a new key' do
let(:overwrite) { true }
it_behaves_like 'set and notify'
end
context 'when we set an existing key' do
let(:old_value) { 'existing-key' }
before do
described_class.set_key_and_notify(key, old_value, overwrite: true)
end
context 'and overwrite' do
let(:overwrite) { true }
it_behaves_like 'set and notify'
end
context 'and do not overwrite' do
let(:overwrite) { false }
it 'try to set but return the previous value' do
is_expected.to eq(old_value)
end
it 'does not notify' do
expect_any_instance_of(::Redis).not_to receive(:publish)
subject
end
end
end
end
describe '.send_git_blob' do
include FakeBlobHelpers
let(:blob) { fake_blob }
subject { described_class.send_git_blob(repository, blob) }
context 'when Gitaly workhorse_raw_show feature is enabled' do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq('Gitlab-Workhorse-Send-Data')
expect(command).to eq('git-blob')
expect(params).to eq({
'GitalyServer' => {
address: Gitlab::GitalyClient.address(project.repository_storage),
token: Gitlab::GitalyClient.token(project.repository_storage)
},
'GetBlobRequest' => {
repository: repository.gitaly_repository.to_h,
oid: blob.id,
limit: -1
}
}.deep_stringify_keys)
end
end
context 'when Gitaly workhorse_raw_show feature is disabled', :skip_gitaly_mock do
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq('Gitlab-Workhorse-Send-Data')
expect(command).to eq('git-blob')
expect(params).to eq('RepoPath' => repository.path_to_repo, 'BlobId' => blob.id)
end
end
end
describe '.send_url' do
let(:url) { 'http://example.com' }
subject { described_class.send_url(url) }
it 'sets the header correctly' do
key, command, params = decode_workhorse_header(subject)
expect(key).to eq("Gitlab-Workhorse-Send-Data")
expect(command).to eq("send-url")
expect(params).to eq({
'URL' => url,
'AllowRedirects' => false
}.deep_stringify_keys)
end
end
end