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sources/3rdparty/Sabre/DAV/Auth/Plugin.php 2.49 KB
03e52840d   Kload   Init
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  <?php
  
  /**
   * This plugin provides Authentication for a WebDAV server.
   *
   * It relies on a Backend object, which provides user information.
   *
   * Additionally, it provides support for:
   *  * {DAV:}current-user-principal property from RFC5397
   *  * {DAV:}principal-collection-set property from RFC3744
   *
   * @package Sabre
   * @subpackage DAV
   * @copyright Copyright (C) 2007-2013 Rooftop Solutions. All rights reserved.
   * @author Evert Pot (http://www.rooftopsolutions.nl/)
   * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
   */
  class Sabre_DAV_Auth_Plugin extends Sabre_DAV_ServerPlugin {
  
      /**
       * Reference to main server object
       *
       * @var Sabre_DAV_Server
       */
      protected $server;
  
      /**
       * Authentication backend
       *
       * @var Sabre_DAV_Auth_IBackend
       */
      protected $authBackend;
  
      /**
       * The authentication realm.
       *
       * @var string
       */
      private $realm;
  
      /**
       * __construct
       *
       * @param Sabre_DAV_Auth_IBackend $authBackend
       * @param string $realm
       */
      public function __construct(Sabre_DAV_Auth_IBackend $authBackend, $realm) {
  
          $this->authBackend = $authBackend;
          $this->realm = $realm;
  
      }
  
      /**
       * Initializes the plugin. This function is automatically called by the server
       *
       * @param Sabre_DAV_Server $server
       * @return void
       */
      public function initialize(Sabre_DAV_Server $server) {
  
          $this->server = $server;
          $this->server->subscribeEvent('beforeMethod',array($this,'beforeMethod'),10);
  
      }
  
      /**
       * Returns a plugin name.
       *
       * Using this name other plugins will be able to access other plugins
       * using Sabre_DAV_Server::getPlugin
       *
       * @return string
       */
      public function getPluginName() {
  
          return 'auth';
  
      }
  
      /**
       * Returns the current users' principal uri.
       *
       * If nobody is logged in, this will return null.
       *
       * @return string|null
       */
      public function getCurrentUser() {
  
          $userInfo = $this->authBackend->getCurrentUser();
          if (!$userInfo) return null;
  
          return $userInfo;
  
      }
  
      /**
       * This method is called before any HTTP method and forces users to be authenticated
       *
       * @param string $method
       * @param string $uri
       * @throws Sabre_DAV_Exception_NotAuthenticated
       * @return bool
       */
      public function beforeMethod($method, $uri) {
  
          $this->authBackend->authenticate($this->server,$this->realm);
  
      }
  
  }