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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Amf
  17   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19   * @version    $Id$
  20   */
  21  
  22  /** @see Zend_Amf_Auth_Abstract */
  23  require_once 'Zend/Amf/Auth/Abstract.php';
  24  
  25  /** @see Zend_Acl */
  26  require_once 'Zend/Acl.php';
  27  
  28  /** @see Zend_Auth_Result */
  29  require_once 'Zend/Auth/Result.php';
  30  
  31  /**
  32   * This class implements authentication against XML file with roles for Flex Builder.
  33   *
  34   * @package    Zend_Amf
  35   * @subpackage Adobe
  36   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  37   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  38   */
  39  class Zend_Amf_Adobe_Auth extends Zend_Amf_Auth_Abstract
  40  {
  41  
  42      /**
  43       * ACL for authorization
  44       *
  45       * @var Zend_Acl
  46       */
  47      protected $_acl;
  48  
  49      /**
  50       * Username/password array
  51       *
  52       * @var array
  53       */
  54      protected $_users = array();
  55  
  56      /**
  57       * Create auth adapter
  58       *
  59       * @param string $rolefile File containing XML with users and roles
  60       */
  61      public function __construct($rolefile)
  62      {
  63          $this->_acl = new Zend_Acl();
  64          $xml = simplexml_load_file($rolefile);
  65  /*
  66  Roles file format:
  67   <roles>
  68     <role id=”admin”>
  69          <user name=”user1” password=”pwd”/>
  70      </role>
  71     <role id=”hr”>
  72          <user name=”user2” password=”pwd2”/>
  73      </role>
  74  </roles>
  75  */
  76          foreach($xml->role as $role) {
  77              $this->_acl->addRole(new Zend_Acl_Role((string)$role["id"]));
  78              foreach($role->user as $user) {
  79                  $this->_users[(string)$user["name"]] = array("password" => (string)$user["password"],
  80                                                               "role" => (string)$role["id"]);
  81              }
  82          }
  83      }
  84  
  85      /**
  86       * Get ACL with roles from XML file
  87       *
  88       * @return Zend_Acl
  89       */
  90      public function getAcl()
  91      {
  92          return $this->_acl;
  93      }
  94  
  95      /**
  96       * Perform authentication
  97       *
  98       * @throws Zend_Auth_Adapter_Exception
  99       * @return Zend_Auth_Result
 100       * @see Zend_Auth_Adapter_Interface#authenticate()
 101       */
 102      public function authenticate()
 103      {
 104          if (empty($this->_username) ||
 105              empty($this->_password)) {
 106              /**
 107               * @see Zend_Auth_Adapter_Exception
 108               */
 109              require_once 'Zend/Auth/Adapter/Exception.php';
 110              throw new Zend_Auth_Adapter_Exception('Username/password should be set');
 111          }
 112  
 113          if(!isset($this->_users[$this->_username])) {
 114              return new Zend_Auth_Result(Zend_Auth_Result::FAILURE_IDENTITY_NOT_FOUND,
 115                  null,
 116                  array('Username not found')
 117                  );
 118          }
 119  
 120          $user = $this->_users[$this->_username];
 121          if($user["password"] != $this->_password) {
 122              return new Zend_Auth_Result(Zend_Auth_Result::FAILURE_CREDENTIAL_INVALID,
 123                  null,
 124                  array('Authentication failed')
 125                  );
 126          }
 127  
 128          $id = new stdClass();
 129          $id->role = $user["role"];
 130          $id->name = $this->_username;
 131          return new Zend_Auth_Result(Zend_Auth_Result::SUCCESS, $id);
 132      }
 133  }