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require 'spec_helper.rb'
describe Rack::OAuth2::Server::Authorize::Code do
let(:request) { Rack::MockRequest.new app }
let(:redirect_uri) { 'http://client.example.com/callback' }
let(:code_verifier) { SecureRandom.hex(16) }
let(:code_challenge) { Base64.urlsafe_encode64(OpenSSL::Digest::SHA256.digest(code_verifier)).delete('=') }
let(:code_challenge_method) { :S256 }
subject { @request }
describe 'authorization request' do
let :app do
Rack::OAuth2::Server::Authorize.new do |request, response|
@request = request
end
end
context 'when code_challenge is given' do
context 'when code_challenge_method is given' do
before do
request.get "/?response_type=code&client_id=client&redirect_uri=#{redirect_uri}&state=state&code_challenge=#{code_challenge}&code_challenge_method=#{code_challenge_method}"
end
its(:code_challenge) { should == code_challenge }
its(:code_challenge_method) { should == code_challenge_method.to_s }
end
context 'when code_challenge_method is omitted' do
before do
request.get "/?response_type=code&client_id=client&redirect_uri=#{redirect_uri}&state=state&code_challenge=#{code_challenge}"
end
its(:code_challenge) { should == code_challenge }
its(:code_challenge_method) { should == nil }
end
end
context 'otherwise' do
before do
request.get "/?response_type=code&client_id=client&redirect_uri=#{redirect_uri}&state=state"
end
its(:code_challenge) { should == nil }
its(:code_challenge_method) { should == nil }
end
end
describe 'token request' do
let(:app) do
Rack::OAuth2::Server::Token.new do |request, response|
@request = request
response.access_token = Rack::OAuth2::AccessToken::Bearer.new(access_token: 'access_token')
end
end
let(:default_params) do
{
grant_type: 'authorization_code',
client_id: 'client_id',
client_secret: 'client_secret',
code: 'authorization_code',
redirect_uri: 'http://client.example.com/callback'
}
end
context 'when code_verifier is given' do
before do
request.post '/', params: default_params.merge(
code_verifier: code_verifier
)
end
its(:code_verifier) { should == code_verifier }
describe '#verify_code_verifier!' do
context 'when code_verifier is given with code_challenge_method=plain' do
it do
expect do
subject.verify_code_verifier! code_verifier, :plain
end.not_to raise_error
end
end
context 'when collect code_challenge is given' do
it do
expect do
subject.verify_code_verifier! code_challenge
end.not_to raise_error
end
end
context 'when wrong code_challenge is blank' do
it do
expect do
subject.verify_code_verifier! 'wrong'
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
context 'when code_challenge is nil' do
it do
expect do
subject.verify_code_verifier! nil
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
context 'when unknown code_challenge_method is given' do
it do
expect do
subject.verify_code_verifier! code_challenge, :unknown
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
end
end
context 'otherwise' do
before do
request.post '/', params: default_params
end
its(:code_verifier) { should == nil }
describe '#verify_code_verifier!' do
context 'when code_verifier is given with code_challenge_method=plain' do
it do
expect do
subject.verify_code_verifier! code_verifier, :plain
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
context 'when collect code_challenge is given' do
it do
expect do
subject.verify_code_verifier! code_challenge
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
context 'when wrong code_challenge is blank' do
it do
expect do
subject.verify_code_verifier! 'wrong'
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
context 'when code_challenge is nil' do
it do
expect do
subject.verify_code_verifier! nil
end.not_to raise_error
end
end
context 'when unknown code_challenge_method is given' do
it do
expect do
subject.verify_code_verifier! code_challenge, :unknown
end.to raise_error Rack::OAuth2::Server::Token::BadRequest, /invalid_grant/
end
end
end
end
end
end
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