library/Zend/Amf/Adobe/Auth.php

   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 license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Amf
  17  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id: Auth.php 16971 2009-07-22 18:05:45Z mikaelkael $
  20  */
  21
  22 /** Zend_Amf_Auth_Abstract */
  23 require_once 'Zend/Amf/Auth/Abstract.php';
  24
  25 /** Zend_Acl */
  26 require_once 'Zend/Acl.php';
  27
  28 /** 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) 2005-2009 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 }