[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * The Auth_ftp class provides an FTP implementation of the Horde
   4   * authentication system.
   5   *
   6   * Optional parameters:<pre>
   7   *   'hostspec'  The hostname or IP address of the FTP server.
   8   *               DEFAULT: 'localhost'
   9   *   'port'      The server port to connect to.
  10   *               DEFAULT: 21</pre>
  11   *
  12   *
  13   * $Horde: framework/Auth/Auth/ftp.php,v 1.23.12.8 2006/01/01 21:28:07 jan Exp $
  14   *
  15   * Copyright 1999-2006 Chuck Hagenbuch <chuck@horde.org>
  16   * Copyright 1999-2006 Max Kalika <max@horde.org>
  17   *
  18   * See the enclosed file COPYING for license information (LGPL). If you
  19   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  20   *
  21   * @author  Chuck Hagenbuch <chuck@horde.org>
  22   * @author  Max Kalika <max@horde.org>
  23   * @since   Horde 1.3
  24   * @package Horde_Auth
  25   */
  26  class Auth_ftp extends Auth {
  27  
  28      /**
  29       * Constructs a new FTP authentication object.
  30       *
  31       * @param array $params  A hash containing connection parameters.
  32       */
  33      function Auth_ftp($params = array())
  34      {
  35          if (!Util::extensionExists('ftp')) {
  36              Horde::fatal(_("Auth_ftp: Required FTP extension not found. Compile PHP with the --enable-ftp switch."), __FILE__, __LINE__);
  37          }
  38  
  39          $default_params = array(
  40              'hostspec' => 'localhost',
  41              'port' => 21
  42          );
  43          $this->_params = array_merge($default_params, $params);
  44      }
  45  
  46      /**
  47       * Find out if a set of login credentials are valid.
  48       *
  49       * @access private
  50       *
  51       * @param string $userId      The userId to check.
  52       * @param array $credentials  An array of login credentials. For FTP,
  53       *                            this must contain a password entry.
  54       *
  55       * @return boolean  Whether or not the credentials are valid.
  56       */
  57      function _authenticate($userId, $credentials)
  58      {
  59          $ftp = @ftp_connect($this->_params['hostspec'], $this->_params['port']);
  60  
  61          if ($ftp && @ftp_login($ftp, $userId, $credentials['password'])) {
  62              @ftp_quit($ftp);
  63              return true;
  64          } else {
  65              @ftp_quit($ftp);
  66              $this->_setAuthError(AUTH_REASON_BADLOGIN);
  67              return false;
  68          }
  69      }
  70  
  71  }