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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Atlassian::JiraConnect::Jwt::Asymmetric, feature_category: :integrations do
describe '#valid?' do
let_it_be(:private_key) { OpenSSL::PKey::RSA.generate 3072 }
subject(:asymmetric_jwt) { described_class.new(jwt, verification_claims) }
let(:verification_claims) { jwt_claims }
let(:jwt_claims) { { aud: aud, iss: client_key, qsh: qsh } }
let(:aud) { 'https://test.host/-/jira_connect' }
let(:client_key) { '1234' }
let(:public_key_id) { '123e4567-e89b-12d3-a456-426614174000' }
let(:jwt_headers) { { kid: public_key_id } }
let(:jwt) { JWT.encode(jwt_claims, private_key, 'RS256', jwt_headers) }
let(:public_key) { private_key.public_key }
let(:stub_asymmetric_jwt_cdn) { 'https://connect-install-keys.atlassian.com' }
let(:jira_connect_proxy_url_setting) { nil }
let(:install_keys_url) { "#{stub_asymmetric_jwt_cdn}/#{public_key_id}" }
let(:qsh) do
Atlassian::Jwt.create_query_string_hash('https://gitlab.test/events/installed', 'POST', 'https://gitlab.test')
end
before do
stub_request(:get, install_keys_url)
.to_return(body: public_key.to_s, status: 200)
stub_application_setting(jira_connect_proxy_url: jira_connect_proxy_url_setting)
end
it 'returns true when verified with public key from CDN' do
expect(JWT).to receive(:decode).twice.and_call_original
expect(asymmetric_jwt).to be_valid
expect(WebMock).to have_requested(:get, install_keys_url)
end
context 'JWT does not contain a key ID' do
let(:public_key_id) { nil }
it { is_expected.not_to be_valid }
end
context 'JWT contains a key ID that is not a valid UUID4' do
let(:public_key_id) { '123' }
it { is_expected.not_to be_valid }
end
context 'public key can not be retrieved' do
before do
stub_request(:get, install_keys_url).to_return(body: '', status: 404)
end
it { is_expected.not_to be_valid }
end
context 'retrieving the public raises an error' do
before do
allow(Gitlab::HTTP).to receive(:get).and_raise(SocketError)
end
it { is_expected.not_to be_valid }
end
context 'token decoding raises an error' do
before do
allow(JWT).to receive(:decode).and_call_original
allow(JWT).to receive(:decode).with(
jwt, anything, true,
{ aud: anything, verify_aud: true, iss: client_key, verify_iss: true, algorithm: 'RS256' }
).and_raise(JWT::DecodeError)
end
it { is_expected.not_to be_valid }
end
context 'when iss could not be verified' do
let(:verification_claims) { { aud: jwt_claims[:aud], iss: 'some other iss', qsh: jwt_claims[:qsh] } }
it { is_expected.not_to be_valid }
end
context 'when qsh could not be verified' do
let(:verification_claims) { { aud: jwt_claims[:aud], iss: client_key, qsh: 'some other qsh' } }
it { is_expected.not_to be_valid }
end
context 'with jira_connect_proxy_url setting', :aggregate_failures do
let(:stub_asymmetric_jwt_cdn) { 'https://example.com/-/jira_connect/public_keys' }
let(:jira_connect_proxy_url_setting) { 'https://example.com' }
it 'requests the settings CDN' do
expect(JWT).to receive(:decode).twice.and_call_original
expect(asymmetric_jwt).to be_valid
expect(WebMock).to have_requested(:get, "https://example.com/-/jira_connect/public_keys/#{public_key_id}")
end
context 'when the setting is an empty string', :aggregate_failures do
let(:jira_connect_proxy_url_setting) { '' }
let(:stub_asymmetric_jwt_cdn) { 'https://connect-install-keys.atlassian.com' }
it 'requests the default CDN' do
expect(JWT).to receive(:decode).twice.and_call_original
expect(asymmetric_jwt).to be_valid
expect(WebMock).to have_requested(:get, install_keys_url)
end
end
end
end
describe '#iss_claim' do
subject { asymmetric_jwt.iss_claim }
let(:asymmetric_jwt) { described_class.new('123', anything) }
it { is_expected.to eq(nil) }
context 'when jwt is verified' do
before do
asymmetric_jwt.instance_variable_set(:@claims, { 'iss' => 'client_key' })
end
it { is_expected.to eq('client_key') }
end
end
end
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