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Starting Digest auth, using Basic auth as a starting base.
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108
cake/libs/controller/components/auth/digest_authenticate.php
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108
cake/libs/controller/components/auth/digest_authenticate.php
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<?php
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/**
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::import('Component', 'auth/base_authenticate');
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App::import('Core', 'String');
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class DigestAuthenticate extends BaseAuthenticate {
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/**
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* Settings for this object.
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*
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* - `fields` The fields to use to identify a user by.
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* - `userModel` The model name of the User, defaults to User.
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* - `scope` Additional conditions to use when looking up and authenticating users,
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* i.e. `array('User.is_active' => 1).`
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*
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* @var array
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*/
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public $settings = array(
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'fields' => array(
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'username' => 'username',
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'password' => 'password'
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),
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'userModel' => 'User',
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'scope' => array(),
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'realm' => '',
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'qop' => 'auth',
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'nonce' => '',
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'opaque' => ''
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);
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/**
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* Constructor, completes configuration for digest authentication.
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*
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* @return void
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*/
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public function __construct($settings) {
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parent::__construct($settings);
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if (empty($this->settings['realm'])) {
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$this->settings['realm'] = env('SERVER_NAME');
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}
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if (empty($this->settings['nonce'])) {
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$this->settings['realm'] = uniqid('');
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}
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if (empty($this->settings['opaque'])) {
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$this->settings['opaque'] = md5($this->settings['realm']);
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}
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}
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/**
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* Authenticate a user using Digest HTTP auth. Will use the configured User model and attempt a
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* login using Digest HTTP auth.
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*
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* @param CakeRequest $request The request to authenticate with.
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* @param CakeResponse $response The response to add headers to.
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* @return mixed Either false on failure, or an array of user data on success.
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*/
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public function authenticate(CakeRequest $request, CakeResponse $response) {
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$username = env('PHP_AUTH_USER');
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$pass = env('PHP_AUTH_PW');
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if (empty($username) || empty($pass)) {
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$response->header($this->loginHeaders());
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$response->send();
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return false;
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}
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$result = $this->_findUser($username, $pass);
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if (empty($result)) {
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$response->header($this->loginHeaders());
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$response->header('Location', Router::reverse($request));
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$response->statusCode(401);
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$response->send();
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return false;
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}
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return $result;
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}
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/**
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* Generate the login headers
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*
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* @return string Headers for logging in.
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*/
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public function loginHeaders() {
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$options = array(
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'realm' => $this->settings['realm'],
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'qop' => $this->settings['qop'],
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'nonce' => $this->settings['nonce'],
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'opaque' => $this->settings['opaque']
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);
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$opts = array();
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foreach ($options as $k => $v) {
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$opts[] = sprintf('%s="%s"', $k, $v);
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}
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return 'WWW-Authenticate: Digest ' . implode(',', $opts);
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}
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}
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<?php
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/**
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake.tests.cases.libs.controller.components.auth
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* @since CakePHP(tm) v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::import('Component', 'auth/digest_authenticate');
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App::import('Model', 'AppModel');
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App::import('Core', 'CakeRequest');
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App::import('Core', 'CakeResponse');
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require_once CAKE_TESTS . 'cases' . DS . 'libs' . DS . 'model' . DS . 'models.php';
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/**
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* Test case for DigestAuthentication
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*
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* @package cake.test.cases.controller.components.auth
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*/
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class DigestAuthenticateTest extends CakeTestCase {
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public $fixtures = array('core.user', 'core.auth_user');
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/**
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* setup
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*
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* @return void
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*/
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function setUp() {
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parent::setUp();
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$this->auth = new DigestAuthenticate(array(
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'fields' => array('username' => 'user', 'password' => 'password'),
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'userModel' => 'User',
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'realm' => 'localhost',
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'nonce' => 123,
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'opaque' => '123abc'
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));
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$password = Security::hash('password', null, true);
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ClassRegistry::init('User')->updateAll(array('password' => '"' . $password . '"'));
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$this->server = $_SERVER;
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$this->response = $this->getMock('CakeResponse');
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}
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/**
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* teardown
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*
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* @return void
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*/
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function tearDown() {
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parent::tearDown();
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$_SERVER = $this->server;
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}
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/**
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* test applying settings in the constructor
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*
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* @return void
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*/
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function testConstructor() {
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$object = new DigestAuthenticate(array(
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'userModel' => 'AuthUser',
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'fields' => array('username' => 'user', 'password' => 'password'),
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'nonce' => 123456
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));
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$this->assertEquals('AuthUser', $object->settings['userModel']);
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$this->assertEquals(array('username' => 'user', 'password' => 'password'), $object->settings['fields']);
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$this->assertEquals(123456, $object->settings['nonce']);
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$this->assertEquals(env('SERVER_NAME'), $object->settings['realm']);
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}
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/**
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* test the authenticate method
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*
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* @return void
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*/
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function testAuthenticateNoData() {
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$request = new CakeRequest('posts/index', false);
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$this->response->expects($this->once())
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->method('header')
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->with('WWW-Authenticate: Digest realm="localhost",qop="auth",nonce="123",opaque="123abc"');
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$this->assertFalse($this->auth->authenticate($request, $this->response));
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}
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/**
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* test the authenticate method
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*
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* @return void
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*/
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function testAuthenticateNoUsername() {
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$request = new CakeRequest('posts/index', false);
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$_SERVER['PHP_AUTH_PW'] = 'foobar';
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$this->response->expects($this->once())
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->method('header')
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->with('WWW-Authenticate: Digest realm="localhost",qop="auth",nonce="123",opaque="123abc"');
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$this->assertFalse($this->auth->authenticate($request, $this->response));
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}
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/**
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* test the authenticate method
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*
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* @return void
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*/
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function testAuthenticateNoPassword() {
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$request = new CakeRequest('posts/index', false);
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$_SERVER['PHP_AUTH_USER'] = 'mariano';
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$this->response->expects($this->once())
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->method('header')
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->with('WWW-Authenticate: Digest realm="localhost",qop="auth",nonce="123",opaque="123abc"');
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$this->assertFalse($this->auth->authenticate($request, $this->response));
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}
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/**
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* test the authenticate method
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*
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* @return void
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*/
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function testAuthenticateInjection() {
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$request = new CakeRequest('posts/index', false);
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$request->addParams(array('pass' => array(), 'named' => array()));
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$_SERVER['PHP_AUTH_USER'] = '> 1';
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$_SERVER['PHP_AUTH_PW'] = "' OR 1 = 1";
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$this->assertFalse($this->auth->authenticate($request, $this->response));
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}
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/**
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* test that challenge headers are sent when no credentials are found.
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*
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* @return void
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*/
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function testAuthenticateChallenge() {
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$request = new CakeRequest('posts/index', false);
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$request->addParams(array('pass' => array(), 'named' => array()));
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$this->response->expects($this->at(0))
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->method('header')
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->with('WWW-Authenticate: Digest realm="localhost",qop="auth",nonce="123",opaque="123abc"');
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$this->response->expects($this->at(1))
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->method('send');
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$result = $this->auth->authenticate($request, $this->response);
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$this->assertFalse($result);
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}
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/**
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* test authenticate sucesss
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*
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* @return void
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*/
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function testAuthenticateSuccess() {
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$request = new CakeRequest('posts/index', false);
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$request->addParams(array('pass' => array(), 'named' => array()));
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$_SERVER['PHP_AUTH_USER'] = 'mariano';
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$_SERVER['PHP_AUTH_PW'] = 'password';
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$result = $this->auth->authenticate($request, $this->response);
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$expected = array(
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'id' => 1,
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'user' => 'mariano',
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'created' => '2007-03-17 01:16:23',
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'updated' => '2007-03-17 01:18:31'
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);
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$this->assertEquals($expected, $result);
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}
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/**
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* test scope failure.
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*
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* @return void
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*/
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function testAuthenticateFailReChallenge() {
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$this->auth->settings['scope'] = array('user' => 'nate');
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$request = new CakeRequest('posts/index', false);
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$request->addParams(array('pass' => array(), 'named' => array()));
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$_SERVER['PHP_AUTH_USER'] = 'mariano';
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$_SERVER['PHP_AUTH_PW'] = 'password';
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$this->response->expects($this->at(0))
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->method('header')
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->with('WWW-Authenticate: Digest realm="localhost",qop="auth",nonce="123",opaque="123abc"');
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$this->response->expects($this->at(1))
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->method('header')
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->with('Location', Router::reverse($request));
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$this->response->expects($this->at(2))
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->method('statusCode')
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->with(401);
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$this->response->expects($this->at(3))
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->method('send');
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$this->assertFalse($this->auth->authenticate($request, $this->response));
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}
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}
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