google-auth-library-ruby/spec/googleauth/user_authorizer_spec.rb

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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
spec_dir = File.expand_path(File.join(File.dirname(__FILE__)))
$LOAD_PATH.unshift(spec_dir)
$LOAD_PATH.uniq!
require 'googleauth'
require 'googleauth/user_authorizer'
require 'uri'
require 'multi_json'
require 'spec_helper'
describe Google::Auth::UserAuthorizer do
include TestHelpers
let(:client_id) { Google::Auth::ClientId.new('testclient', 'notasecret') }
let(:scope) { %w[email profile] }
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let(:token_store) { DummyTokenStore.new }
let(:callback_uri) { 'https://www.example.com/oauth/callback' }
let(:authorizer) do
Google::Auth::UserAuthorizer.new(client_id,
scope,
token_store,
callback_uri)
end
shared_examples 'valid authorization url' do
it 'should have a valid base URI' do
expect(uri).to match %r{https://accounts.google.com/o/oauth2/auth}
end
it 'should request offline access' do
expect(URI(uri).query).to match(/access_type=offline/)
end
it 'should request response type code' do
expect(URI(uri).query).to match(/response_type=code/)
end
it 'should force approval' do
expect(URI(uri).query).to match(/approval_prompt=force/)
end
it 'should include granted scopes' do
expect(URI(uri).query).to match(/include_granted_scopes=true/)
end
it 'should include the correct client id' do
expect(URI(uri).query).to match(/client_id=testclient/)
end
it 'should not include a client secret' do
expect(URI(uri).query).to_not match(/client_secret/)
end
it 'should include the callback uri' do
expect(URI(uri).query).to match(
%r{redirect_uri=https://www.example.com/oauth/callback}
)
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end
it 'should include the scope' do
expect(URI(uri).query).to match(/scope=email%20profile/)
end
end
context 'when generating authorization URLs with user ID & state' do
let(:uri) do
authorizer.get_authorization_url(login_hint: 'user1', state: 'mystate')
end
it_behaves_like 'valid authorization url'
it 'includes a login hint' do
expect(URI(uri).query).to match(/login_hint=user1/)
end
it 'includes the app state' do
expect(URI(uri).query).to match(/state=mystate/)
end
end
context 'when generating authorization URLs with user ID and no state' do
let(:uri) { authorizer.get_authorization_url(login_hint: 'user1') }
it_behaves_like 'valid authorization url'
it 'includes a login hint' do
expect(URI(uri).query).to match(/login_hint=user1/)
end
it 'does not include the state parameter' do
expect(URI(uri).query).to_not match(/state/)
end
end
context 'when generating authorization URLs with no user ID and no state' do
let(:uri) { authorizer.get_authorization_url }
it_behaves_like 'valid authorization url'
it 'does not include the login hint parameter' do
expect(URI(uri).query).to_not match(/login_hint/)
end
it 'does not include the state parameter' do
expect(URI(uri).query).to_not match(/state/)
end
end
context 'when retrieving tokens' do
let(:token_json) do
MultiJson.dump(
access_token: 'accesstoken',
refresh_token: 'refreshtoken',
expiration_time_millis: 1_441_234_742_000
)
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end
context 'with a valid user id' do
let(:credentials) do
token_store.store('user1', token_json)
authorizer.get_credentials('user1')
end
it 'should return an instance of UserRefreshCredentials' do
expect(credentials).to be_instance_of(
Google::Auth::UserRefreshCredentials
)
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end
it 'should return credentials with a valid refresh token' do
expect(credentials.refresh_token).to eq 'refreshtoken'
end
it 'should return credentials with a valid access token' do
expect(credentials.access_token).to eq 'accesstoken'
end
it 'should return credentials with a valid client ID' do
expect(credentials.client_id).to eq 'testclient'
end
it 'should return credentials with a valid client secret' do
expect(credentials.client_secret).to eq 'notasecret'
end
it 'should return credentials with a valid scope' do
expect(credentials.scope).to eq %w[email profile]
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end
it 'should return credentials with a valid expiration time' do
expect(credentials.expires_at).to eq Time.at(1_441_234_742)
end
end
context 'with an invalid user id' do
it 'should return nil' do
expect(authorizer.get_credentials('notauser')).to be_nil
end
end
end
context 'when saving tokens' do
let(:expiry) { Time.now.to_i }
let(:credentials) do
Google::Auth::UserRefreshCredentials.new(
client_id: client_id.id,
client_secret: client_id.secret,
scope: scope,
refresh_token: 'refreshtoken',
access_token: 'accesstoken',
expires_at: expiry
)
end
let(:token_json) do
authorizer.store_credentials('user1', credentials)
token_store.load('user1')
end
it 'should persist in the token store' do
expect(token_json).to_not be_nil
end
it 'should persist the refresh token' do
expect(MultiJson.load(token_json)['refresh_token']).to eq 'refreshtoken'
end
it 'should persist the access token' do
expect(MultiJson.load(token_json)['access_token']).to eq 'accesstoken'
end
it 'should persist the client id' do
expect(MultiJson.load(token_json)['client_id']).to eq 'testclient'
end
it 'should persist the scope' do
expect(MultiJson.load(token_json)['scope']).to include('email', 'profile')
end
it 'should persist the expiry as milliseconds' do
expected_expiry = expiry * 1000
expect(MultiJson.load(token_json)['expiration_time_millis']).to eql(
expected_expiry
)
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end
end
context 'with valid authorization code' do
let(:token_json) do
MultiJson.dump('access_token' => '1/abc123',
'token_type' => 'Bearer',
'expires_in' => 3600)
end
before(:example) do
stub_request(:post, 'https://www.googleapis.com/oauth2/v3/token')
.to_return(body: token_json, status: 200, headers: {
'Content-Type' => 'application/json'
})
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end
it 'should exchange a code for credentials' do
credentials = authorizer.get_credentials_from_code(
user_id: 'user1', code: 'code'
)
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expect(credentials.access_token).to eq '1/abc123'
end
it 'should not store credentials when get only requested' do
authorizer.get_credentials_from_code(user_id: 'user1', code: 'code')
expect(token_store.load('user1')).to be_nil
end
it 'should store credentials when requested' do
authorizer.get_and_store_credentials_from_code(
user_id: 'user1', code: 'code'
)
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expect(token_store.load('user1')).to_not be_nil
end
end
context 'with invalid authorization code' do
before(:example) do
stub_request(:post, 'https://www.googleapis.com/oauth2/v3/token')
.to_return(status: 400)
end
it 'should raise an authorization error' do
expect do
authorizer.get_credentials_from_code(user_id: 'user1', code: 'badcode')
end.to raise_error Signet::AuthorizationError
end
it 'should not store credentials when exchange fails' do
expect do
authorizer.get_credentials_from_code(user_id: 'user1', code: 'badcode')
end.to raise_error Signet::AuthorizationError
expect(token_store.load('user1')).to be_nil
end
end
context 'when reovking authorization' do
let(:token_json) do
MultiJson.dump(
access_token: 'accesstoken',
refresh_token: 'refreshtoken',
expiration_time_millis: 1_441_234_742_000
)
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end
before(:example) do
token_store.store('user1', token_json)
stub_request(
:get, 'https://accounts.google.com/o/oauth2/revoke?token=refreshtoken'
)
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.to_return(status: 200)
end
it 'should revoke the grant' do
authorizer.revoke_authorization('user1')
expect(a_request(
:get, 'https://accounts.google.com/o/oauth2/revoke?token=refreshtoken'
))
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.to have_been_made
end
it 'should remove the token from storage' do
authorizer.revoke_authorization('user1')
expect(token_store.load('user1')).to be_nil
end
end
# TODO: - Test that tokens are monitored
# TODO - Test scope enforcement (auth if upgrade required)
end