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require 'spec_helper.rb'
require 'base64'
describe Rack::OAuth2::Server::Token do
let(:request) { Rack::MockRequest.new app }
let(:app) do
Rack::OAuth2::Server::Token.new do |request, response|
response.access_token = Rack::OAuth2::AccessToken::Bearer.new(access_token: 'access_token')
end
end
let(:params) do
{
grant_type: 'authorization_code',
client_id: 'client_id',
code: 'authorization_code',
redirect_uri: 'http://client.example.com/callback'
}
end
subject { request.post('/token', params: params) }
context 'when multiple client credentials are given' do
context 'when different credentials are given' do
let(:env) do
Rack::MockRequest.env_for(
'/token',
'HTTP_AUTHORIZATION' => "Basic #{Base64.encode64('client_id2:client_secret')}",
params: params
)
end
it 'should fail with unsupported_grant_type' do
status, headers, response = app.call(env)
status.should == 400
response.first.should include '"error":"invalid_request"'
end
end
context 'when same credentials are given' do
let(:env) do
Rack::MockRequest.env_for(
'/token',
'HTTP_AUTHORIZATION' => "Basic #{Base64.encode64('client_id:client_secret')}",
params: params
)
end
it 'should ignore duplicates' do
status, headers, response = app.call(env)
status.should == 200
end
end
end
context 'when unsupported grant_type is given' do
before do
params.merge!(grant_type: 'unknown')
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"unsupported_grant_type"' }
end
[:client_id, :grant_type].each do |required|
context "when #{required} is missing" do
before do
params.delete_if do |key, value|
key == required
end
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"invalid_request"' }
end
end
context 'when client_id is given via JWT client assertion' do
before do
require 'json/jwt'
params[:client_assertion] = JSON::JWT.new(
sub: params[:client_id]
# NOTE: actual client_assertion should have more claims.
).sign('client_secret').to_s
params[:client_assertion_type] = Rack::OAuth2::URN::ClientAssertionType::JWT_BEARER
params.delete(:client_id)
end
context 'when client_assertion is invalid JWT' do
before do
params[:client_assertion] = 'invalid-jwt'
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"invalid_request"' }
end
context 'when client_assertion_type is missing' do
before do
params.delete(:client_assertion_type)
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"invalid_request"' }
end
context 'when client_assertion_type is unknown' do
before do
params[:client_assertion_type] = 'unknown'
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"invalid_request"' }
end
context 'when client_assertion issuer is different from client_id' do
before do
params[:client_id] = 'another_client_id'
end
its(:status) { should == 400 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"error":"invalid_request"' }
end
context 'otherwise' do
its(:status) { should == 200 }
its(:content_type) { should == 'application/json' }
its(:body) { should include '"access_token":"access_token"' }
end
end
Rack::OAuth2::Server::Token::ErrorMethods::DEFAULT_DESCRIPTION.each do |error, default_message|
status = if error == :invalid_client
401
else
400
end
context "when #{error}" do
let(:app) do
Rack::OAuth2::Server::Token.new do |request, response|
request.send "#{error}!"
end
end
its(:status) { should == status }
its(:content_type) { should == 'application/json' }
its(:body) { should include "\"error\":\"#{error}\"" }
its(:body) { should include "\"error_description\":\"#{default_message}\"" }
if error == :invalid_client
its(:headers) { should include 'WWW-Authenticate' }
end
end
end
context 'when skip_www_authenticate option is specified on invalid_client' do
let(:app) do
Rack::OAuth2::Server::Token.new do |request, response|
request.invalid_client!(
Rack::OAuth2::Server::Token::ErrorMethods::DEFAULT_DESCRIPTION[:invalid_client],
skip_www_authenticate: true
)
end
end
its(:headers) { should_not include 'WWW-Authenticate' }
end
context 'when responding' do
context 'when access_token is missing' do
let(:app) do
Rack::OAuth2::Server::Token.new
end
it do
expect { request.post('/', params: params) }.to raise_error AttrRequired::AttrMissing
end
end
end
describe 'extensibility' do
before do
require 'rack/oauth2/server/token/extension/example'
end
subject { app }
let(:env) do
Rack::MockRequest.env_for(
'/token',
params: params
)
end
let(:request) { Rack::OAuth2::Server::Token::Request.new env }
its(:extensions) { should == [Rack::OAuth2::Server::Token::Extension::Example] }
describe 'JWT assertion' do
let(:params) do
{
grant_type: 'urn:ietf:params:oauth:grant-type:example',
assertion: 'header.payload.signature'
}
end
it do
app.send(
:grant_type_for, request
).should == Rack::OAuth2::Server::Token::Extension::Example
end
end
end
end
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