[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * The Net_IMSP_Auth_plaintext class for IMSP authentication.
   4   *
   5   * Required parameters:<pre>
   6   *   'username'  Username to logon to IMSP server as.
   7   *   'password'  Password for current user.
   8   *   'server'    The hostname of the IMSP server.
   9   *   'port'      The port of the IMSP server.</pre>
  10   *
  11   * $Horde: framework/Net_IMSP/IMSP/Auth/plaintext.php,v 1.7.10.11 2006/01/01 21:28:28 jan Exp $
  12   *
  13   * Copyright 2003-2006 Michael Rubinsky <mrubinsk@horde.org>
  14   *
  15   * See the enclosed file COPYING for license information (LGPL). If you
  16   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  17   *
  18   * @author  Michael Rubinsky <mrubinsk@horde.org>
  19   * @package Net_IMSP
  20   */
  21  class Net_IMSP_Auth_plaintext extends Net_IMSP_Auth {
  22  
  23      /**
  24       * Private authentication function.  Provides actual
  25       * authentication code.
  26       *
  27       * @access private
  28       * @param  mixed  $params Hash of IMSP parameters.
  29       *
  30       * @return mixed  Net_IMSP object connected to server if successful,
  31       *                PEAR_Error on failure.
  32       */
  33      function &_authenticate($params)
  34      {
  35          $imsp = &Net_IMSP::singleton('none', $params);
  36          $result = $imsp->init();
  37          if (is_a($result, 'PEAR_Error')) {
  38              return $result;
  39          }
  40  
  41           $userId = $params['username'];
  42           $credentials = $params['password'];
  43  
  44          /* Start the command. */
  45          $result = $imsp->imspSend('LOGIN ', true, false);
  46          if (is_a($result, 'PEAR_Error')) {
  47              return $result;
  48          }
  49  
  50          /* Username as a {}? */
  51          if (preg_match(IMSP_MUST_USE_LITERAL, $userId)) {
  52              $biUser = sprintf('{%d}', strlen($userId));
  53              $result = $imsp->imspSend($biUser, false, true);
  54              if (is_a($result, 'PEAR_Error')) {
  55                  return $result;
  56              }
  57  
  58              if (!preg_match("/^\+/",
  59                              $imsp->imspReceive())) {
  60  
  61                  return $imsp->imspError('Did not receive expected command continuation response from IMSP server.',
  62                                          __FILE__, __LINE__);
  63              }
  64          }
  65  
  66          $result = $imsp->imspSend($userId . ' ', false, false);
  67          if (is_a($result, 'PEAR_Error')) {
  68              return $result;
  69          }
  70  
  71          /* Don't want to log the password! */
  72          $logValue = $imsp->logEnabled;
  73          $imsp->logEnabled = false;
  74  
  75          /* Pass as {}? */
  76          if (preg_match(IMSP_MUST_USE_LITERAL, $credentials)) {
  77              $biPass = sprintf('{%d}', strlen($credentials));
  78              $result = $imsp->imspSend($biPass, false, true);
  79              if (is_a($result, 'PEAR_Error')) {
  80                  return $result;
  81              }
  82  
  83              if (!preg_match("/^\+/",
  84                              $imsp->imspReceive())) {
  85                  return $imsp->imspError('Did not receive expected command continuation response from IMSP server.',
  86                                          __FILE__, __LINE__);
  87              }
  88          }
  89  
  90          $result = $imsp->imspSend($credentials, false, true);
  91          if (is_a($result, 'PEAR_Error')) {
  92              return $result;
  93          }
  94  
  95          /* Restore the logging boolean. */
  96          $imsp->logEnabled = $logValue;
  97  
  98          $server_response = $imsp->imspReceive();
  99          if (is_a($server_response, 'PEAR_Error')) {
 100              return $server_response;
 101          }
 102  
 103          if ($server_response != 'OK') {
 104              return $imsp->imspError('Login to IMSP host failed.', __FILE__, __LINE__);
 105          }
 106  
 107          return $imsp;
 108      }
 109  
 110      /**
 111       * Force a logout command to the imsp stream.
 112       *
 113       */
 114      function logout()
 115      {
 116          $this->_imsp->logout();
 117      }
 118  
 119      /**
 120       * Return the driver type
 121       *
 122       * @return string the type of this IMSP_Auth driver
 123       */
 124       function getDriverType()
 125       {
 126           return 'plaintext';
 127       }
 128  
 129  }