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			1083 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			1083 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|   | <?php | ||
|  | /* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */ | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | PHP Version 4                                                        |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | Copyright (c) 1997-2003 The PHP Group                                |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | This source file is subject to version 2.02 of the PHP license,      |
 | ||
|  | // | that is bundled with this package in the file LICENSE, and is        |
 | ||
|  | // | available at through the world-wide-web at                           |
 | ||
|  | // | http://www.php.net/license/2_02.txt.                                 |
 | ||
|  | // | If you did not receive a copy of the PHP license and are unable to   |
 | ||
|  | // | obtain it through the world-wide-web, please send a note to          |
 | ||
|  | // | license@php.net so we can mail you a copy immediately.               |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | // | Authors: Chuck Hagenbuch <chuck@horde.org>                           |
 | ||
|  | // |          Jon Parise <jon@php.net>                                    |
 | ||
|  | // |          Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar>      |
 | ||
|  | // +----------------------------------------------------------------------+
 | ||
|  | //
 | ||
|  | // $Id: SMTP.php,v 1.63 2008/06/10 05:39:12 jon Exp $
 | ||
|  | 
 | ||
|  | require_once 'PEAR.php'; | ||
|  | require_once 'Net/Socket.php'; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Provides an implementation of the SMTP protocol using PEAR's | ||
|  |  * Net_Socket:: class. | ||
|  |  * | ||
|  |  * @package Net_SMTP | ||
|  |  * @author  Chuck Hagenbuch <chuck@horde.org> | ||
|  |  * @author  Jon Parise <jon@php.net> | ||
|  |  * @author  Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar> | ||
|  |  * | ||
|  |  * @example basic.php   A basic implementation of the Net_SMTP package. | ||
|  |  */ | ||
|  | class Net_SMTP | ||
|  | { | ||
|  |     /** | ||
|  |      * The server to connect to. | ||
|  |      * @var string | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     var $host = 'localhost'; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The port to connect to. | ||
|  |      * @var int | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     var $port = 25; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The value to give when sending EHLO or HELO. | ||
|  |      * @var string | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     var $localhost = 'localhost'; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * List of supported authentication methods, in preferential order. | ||
|  |      * @var array | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     var $auth_methods = array('DIGEST-MD5', 'CRAM-MD5', 'LOGIN', 'PLAIN'); | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Use SMTP command pipelining (specified in RFC 2920) if the SMTP | ||
|  |      * server supports it. | ||
|  |      * | ||
|  |      * When pipeling is enabled, rcptTo(), mailFrom(), sendFrom(), | ||
|  |      * somlFrom() and samlFrom() do not wait for a response from the | ||
|  |      * SMTP server but return immediately. | ||
|  |      * | ||
|  |      * @var bool | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     var $pipelining = false; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Number of pipelined commands. | ||
|  |      * @var int | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_pipelined_commands = 0; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Should debugging output be enabled? | ||
|  |      * @var boolean | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_debug = false; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The socket resource being used to connect to the SMTP server. | ||
|  |      * @var resource | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_socket = null; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The most recent server response code. | ||
|  |      * @var int | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_code = -1; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The most recent server response arguments. | ||
|  |      * @var array | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_arguments = array(); | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Stores detected features of the SMTP server. | ||
|  |      * @var array | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_esmtp = array(); | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Instantiates a new Net_SMTP object, overriding any defaults | ||
|  |      * with parameters that are passed in. | ||
|  |      * | ||
|  |      * If you have SSL support in PHP, you can connect to a server | ||
|  |      * over SSL using an 'ssl://' prefix: | ||
|  |      * | ||
|  |      *   // 465 is a common smtps port.
 | ||
|  |      *   $smtp = new Net_SMTP('ssl://mail.host.com', 465); | ||
|  |      *   $smtp->connect(); | ||
|  |      * | ||
|  |      * @param string  $host       The server to connect to. | ||
|  |      * @param integer $port       The port to connect to. | ||
|  |      * @param string  $localhost  The value to give when sending EHLO or HELO. | ||
|  |      * @param boolean $pipeling   Use SMTP command pipelining | ||
|  |      * | ||
|  |      * @access  public | ||
|  |      * @since   1.0 | ||
|  |      */ | ||
|  |     function Net_SMTP($host = null, $port = null, $localhost = null, $pipelining = false) | ||
|  |     { | ||
|  |         if (isset($host)) { | ||
|  |             $this->host = $host; | ||
|  |         } | ||
|  |         if (isset($port)) { | ||
|  |             $this->port = $port; | ||
|  |         } | ||
|  |         if (isset($localhost)) { | ||
|  |             $this->localhost = $localhost; | ||
|  |         } | ||
|  |         $this->pipelining = $pipelining; | ||
|  | 
 | ||
|  |         $this->_socket = new Net_Socket(); | ||
|  | 
 | ||
|  |         /* Include the Auth_SASL package.  If the package is not | ||
|  |          * available, we disable the authentication methods that | ||
|  |          * depend upon it. */ | ||
|  |         if ((@include_once 'Auth/SASL.php') === false) { | ||
|  |             $pos = array_search('DIGEST-MD5', $this->auth_methods); | ||
|  |             unset($this->auth_methods[$pos]); | ||
|  |             $pos = array_search('CRAM-MD5', $this->auth_methods); | ||
|  |             unset($this->auth_methods[$pos]); | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Set the value of the debugging flag. | ||
|  |      * | ||
|  |      * @param   boolean $debug      New value for the debugging flag. | ||
|  |      * | ||
|  |      * @access  public | ||
|  |      * @since   1.1.0 | ||
|  |      */ | ||
|  |     function setDebug($debug) | ||
|  |     { | ||
|  |         $this->_debug = $debug; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the given string of data to the server. | ||
|  |      * | ||
|  |      * @param   string  $data       The string of data to send. | ||
|  |      * | ||
|  |      * @return  mixed   True on success or a PEAR_Error object on failure. | ||
|  |      * | ||
|  |      * @access  private | ||
|  |      * @since   1.1.0 | ||
|  |      */ | ||
|  |     function _send($data) | ||
|  |     { | ||
|  |         if ($this->_debug) { | ||
|  |             echo "DEBUG: Send: $data\n"; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_socket->write($data))) { | ||
|  |             return PEAR::raiseError('Failed to write to socket: ' . | ||
|  |                                     $error->getMessage()); | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send a command to the server with an optional string of | ||
|  |      * arguments.  A carriage return / linefeed (CRLF) sequence will | ||
|  |      * be appended to each command string before it is sent to the | ||
|  |      * SMTP server - an error will be thrown if the command string | ||
|  |      * already contains any newline characters. Use _send() for | ||
|  |      * commands that must contain newlines. | ||
|  |      * | ||
|  |      * @param   string  $command    The SMTP command to send to the server. | ||
|  |      * @param   string  $args       A string of optional arguments to append | ||
|  |      *                              to the command. | ||
|  |      * | ||
|  |      * @return  mixed   The result of the _send() call. | ||
|  |      * | ||
|  |      * @access  private | ||
|  |      * @since   1.1.0 | ||
|  |      */ | ||
|  |     function _put($command, $args = '') | ||
|  |     { | ||
|  |         if (!empty($args)) { | ||
|  |             $command .= ' ' . $args; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (strcspn($command, "\r\n") !== strlen($command)) { | ||
|  |             return PEAR::raiseError('Commands cannot contain newlines'); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $this->_send($command . "\r\n"); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Read a reply from the SMTP server.  The reply consists of a response | ||
|  |      * code and a response message. | ||
|  |      * | ||
|  |      * @param   mixed   $valid      The set of valid response codes.  These | ||
|  |      *                              may be specified as an array of integer | ||
|  |      *                              values or as a single integer value. | ||
|  |      * @param   bool    $later      Do not parse the response now, but wait | ||
|  |      *                              until the last command in the pipelined | ||
|  |      *                              command group | ||
|  |      * | ||
|  |      * @return  mixed   True if the server returned a valid response code or | ||
|  |      *                  a PEAR_Error object is an error condition is reached. | ||
|  |      * | ||
|  |      * @access  private | ||
|  |      * @since   1.1.0 | ||
|  |      * | ||
|  |      * @see     getResponse | ||
|  |      */ | ||
|  |     function _parseResponse($valid, $later = false) | ||
|  |     { | ||
|  |         $this->_code = -1; | ||
|  |         $this->_arguments = array(); | ||
|  | 
 | ||
|  |         if ($later) { | ||
|  |             $this->_pipelined_commands++; | ||
|  |             return true; | ||
|  |         } | ||
|  | 
 | ||
|  |         for ($i = 0; $i <= $this->_pipelined_commands; $i++) { | ||
|  |             while ($line = $this->_socket->readLine()) { | ||
|  |                 if ($this->_debug) { | ||
|  |                     echo "DEBUG: Recv: $line\n"; | ||
|  |                 } | ||
|  | 
 | ||
|  |                 /* If we receive an empty line, the connection has been closed. */ | ||
|  |                 if (empty($line)) { | ||
|  |                     $this->disconnect(); | ||
|  |                     return PEAR::raiseError('Connection was unexpectedly closed'); | ||
|  |                 } | ||
|  | 
 | ||
|  |                 /* Read the code and store the rest in the arguments array. */ | ||
|  |                 $code = substr($line, 0, 3); | ||
|  |                 $this->_arguments[] = trim(substr($line, 4)); | ||
|  | 
 | ||
|  |                 /* Check the syntax of the response code. */ | ||
|  |                 if (is_numeric($code)) { | ||
|  |                     $this->_code = (int)$code; | ||
|  |                 } else { | ||
|  |                     $this->_code = -1; | ||
|  |                     break; | ||
|  |                 } | ||
|  | 
 | ||
|  |                 /* If this is not a multiline response, we're done. */ | ||
|  |                 if (substr($line, 3, 1) != '-') { | ||
|  |                     break; | ||
|  |                 } | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         $this->_pipelined_commands = 0; | ||
|  | 
 | ||
|  |         /* Compare the server's response code with the valid code/codes. */ | ||
|  |         if (is_int($valid) && ($this->_code === $valid)) { | ||
|  |             return true; | ||
|  |         } elseif (is_array($valid) && in_array($this->_code, $valid, true)) { | ||
|  |             return true; | ||
|  |         } | ||
|  | 
 | ||
|  |         return PEAR::raiseError('Invalid response code received from server', | ||
|  |                                 $this->_code); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Return a 2-tuple containing the last response from the SMTP server. | ||
|  |      * | ||
|  |      * @return  array   A two-element array: the first element contains the | ||
|  |      *                  response code as an integer and the second element | ||
|  |      *                  contains the response's arguments as a string. | ||
|  |      * | ||
|  |      * @access  public | ||
|  |      * @since   1.1.0 | ||
|  |      */ | ||
|  |     function getResponse() | ||
|  |     { | ||
|  |         return array($this->_code, join("\n", $this->_arguments)); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Attempt to connect to the SMTP server. | ||
|  |      * | ||
|  |      * @param   int     $timeout    The timeout value (in seconds) for the | ||
|  |      *                              socket connection. | ||
|  |      * @param   bool    $persistent Should a persistent socket connection | ||
|  |      *                              be used? | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function connect($timeout = null, $persistent = false) | ||
|  |     { | ||
|  |         $result = $this->_socket->connect($this->host, $this->port, | ||
|  |                                           $persistent, $timeout); | ||
|  |         if (PEAR::isError($result)) { | ||
|  |             return PEAR::raiseError('Failed to connect socket: ' . | ||
|  |                                     $result->getMessage()); | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(220))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_negotiate())) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Attempt to disconnect from the SMTP server. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function disconnect() | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('QUIT'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(221))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_socket->disconnect())) { | ||
|  |             return PEAR::raiseError('Failed to disconnect socket: ' . | ||
|  |                                     $error->getMessage()); | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Attempt to send the EHLO command and obtain a list of ESMTP | ||
|  |      * extensions available, and failing that just send HELO. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _negotiate() | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($this->_parseResponse(250))) { | ||
|  |             /* If we receive a 503 response, we're already authenticated. */ | ||
|  |             if ($this->_code === 503) { | ||
|  |                 return true; | ||
|  |             } | ||
|  | 
 | ||
|  |             /* If the EHLO failed, try the simpler HELO command. */ | ||
|  |             if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) { | ||
|  |                 return $error; | ||
|  |             } | ||
|  |             if (PEAR::isError($this->_parseResponse(250))) { | ||
|  |                 return PEAR::raiseError('HELO was not accepted: ', $this->_code); | ||
|  |             } | ||
|  | 
 | ||
|  |             return true; | ||
|  |         } | ||
|  | 
 | ||
|  |         foreach ($this->_arguments as $argument) { | ||
|  |             $verb = strtok($argument, ' '); | ||
|  |             $arguments = substr($argument, strlen($verb) + 1, | ||
|  |                                 strlen($argument) - strlen($verb) - 1); | ||
|  |             $this->_esmtp[$verb] = $arguments; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (!isset($this->_esmtp['PIPELINING'])) { | ||
|  |             $this->pipelining = false; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Returns the name of the best authentication method that the server | ||
|  |      * has advertised. | ||
|  |      * | ||
|  |      * @return mixed    Returns a string containing the name of the best | ||
|  |      *                  supported authentication method or a PEAR_Error object | ||
|  |      *                  if a failure condition is encountered. | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _getBestAuthMethod() | ||
|  |     { | ||
|  |         $available_methods = explode(' ', $this->_esmtp['AUTH']); | ||
|  | 
 | ||
|  |         foreach ($this->auth_methods as $method) { | ||
|  |             if (in_array($method, $available_methods)) { | ||
|  |                 return $method; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         return PEAR::raiseError('No supported authentication methods'); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Attempt to do SMTP authentication. | ||
|  |      * | ||
|  |      * @param string The userid to authenticate as. | ||
|  |      * @param string The password to authenticate with. | ||
|  |      * @param string The requested authentication method.  If none is | ||
|  |      *               specified, the best supported method will be used. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function auth($uid, $pwd , $method = '') | ||
|  |     { | ||
|  |         if (empty($this->_esmtp['AUTH'])) { | ||
|  |             if (version_compare(PHP_VERSION, '5.1.0', '>=')) { | ||
|  |                 if (!isset($this->_esmtp['STARTTLS'])) { | ||
|  |                     return PEAR::raiseError('SMTP server does not support authentication'); | ||
|  |                 } | ||
|  |                 if (PEAR::isError($result = $this->_put('STARTTLS'))) { | ||
|  |                     return $result; | ||
|  |                 } | ||
|  |                 if (PEAR::isError($result = $this->_parseResponse(220))) { | ||
|  |                     return $result; | ||
|  |                 } | ||
|  |                 if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) { | ||
|  |                     return $result; | ||
|  |                 } elseif ($result !== true) { | ||
|  |                     return PEAR::raiseError('STARTTLS failed'); | ||
|  |                 } | ||
|  | 
 | ||
|  |                 /* Send EHLO again to recieve the AUTH string from the | ||
|  |                  * SMTP server. */ | ||
|  |                 $this->_negotiate(); | ||
|  |                 if (empty($this->_esmtp['AUTH'])) { | ||
|  |                     return PEAR::raiseError('SMTP server does not support authentication'); | ||
|  |                 } | ||
|  |             } else { | ||
|  |                 return PEAR::raiseError('SMTP server does not support authentication'); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         /* If no method has been specified, get the name of the best | ||
|  |          * supported method advertised by the SMTP server. */ | ||
|  |         if (empty($method)) { | ||
|  |             if (PEAR::isError($method = $this->_getBestAuthMethod())) { | ||
|  |                 /* Return the PEAR_Error object from _getBestAuthMethod(). */ | ||
|  |                 return $method; | ||
|  |             } | ||
|  |         } else { | ||
|  |             $method = strtoupper($method); | ||
|  |             if (!in_array($method, $this->auth_methods)) { | ||
|  |                 return PEAR::raiseError("$method is not a supported authentication method"); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         switch ($method) { | ||
|  |         case 'DIGEST-MD5': | ||
|  |             $result = $this->_authDigest_MD5($uid, $pwd); | ||
|  |             break; | ||
|  | 
 | ||
|  |         case 'CRAM-MD5': | ||
|  |             $result = $this->_authCRAM_MD5($uid, $pwd); | ||
|  |             break; | ||
|  | 
 | ||
|  |         case 'LOGIN': | ||
|  |             $result = $this->_authLogin($uid, $pwd); | ||
|  |             break; | ||
|  | 
 | ||
|  |         case 'PLAIN': | ||
|  |             $result = $this->_authPlain($uid, $pwd); | ||
|  |             break; | ||
|  | 
 | ||
|  |         default: | ||
|  |             $result = PEAR::raiseError("$method is not a supported authentication method"); | ||
|  |             break; | ||
|  |         } | ||
|  | 
 | ||
|  |         /* If an error was encountered, return the PEAR_Error object. */ | ||
|  |         if (PEAR::isError($result)) { | ||
|  |             return $result; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Authenticates the user using the DIGEST-MD5 method. | ||
|  |      * | ||
|  |      * @param string The userid to authenticate as. | ||
|  |      * @param string The password to authenticate with. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _authDigest_MD5($uid, $pwd) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             /* 503: Error: already authenticated */ | ||
|  |             if ($this->_code === 503) { | ||
|  |                 return true; | ||
|  |             } | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         $challenge = base64_decode($this->_arguments[0]); | ||
|  |         $digest = &Auth_SASL::factory('digestmd5'); | ||
|  |         $auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge, | ||
|  |                                                        $this->host, "smtp")); | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put($auth_str))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         /* We don't use the protocol's third step because SMTP doesn't | ||
|  |          * allow subsequent authentication, so we just silently ignore | ||
|  |          * it. */ | ||
|  |         if (PEAR::isError($error = $this->_put(''))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 235: Authentication successful */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(235))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Authenticates the user using the CRAM-MD5 method. | ||
|  |      * | ||
|  |      * @param string The userid to authenticate as. | ||
|  |      * @param string The password to authenticate with. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _authCRAM_MD5($uid, $pwd) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('AUTH', 'CRAM-MD5'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             /* 503: Error: already authenticated */ | ||
|  |             if ($this->_code === 503) { | ||
|  |                 return true; | ||
|  |             } | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         $challenge = base64_decode($this->_arguments[0]); | ||
|  |         $cram = &Auth_SASL::factory('crammd5'); | ||
|  |         $auth_str = base64_encode($cram->getResponse($uid, $pwd, $challenge)); | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put($auth_str))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         /* 235: Authentication successful */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(235))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Authenticates the user using the LOGIN method. | ||
|  |      * | ||
|  |      * @param string The userid to authenticate as. | ||
|  |      * @param string The password to authenticate with. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _authLogin($uid, $pwd) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('AUTH', 'LOGIN'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             /* 503: Error: already authenticated */ | ||
|  |             if ($this->_code === 503) { | ||
|  |                 return true; | ||
|  |             } | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put(base64_encode($uid)))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put(base64_encode($pwd)))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         /* 235: Authentication successful */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(235))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Authenticates the user using the PLAIN method. | ||
|  |      * | ||
|  |      * @param string The userid to authenticate as. | ||
|  |      * @param string The password to authenticate with. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access private | ||
|  |      * @since  1.1.0 | ||
|  |      */ | ||
|  |     function _authPlain($uid, $pwd) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         /* 334: Continue authentication request */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(334))) { | ||
|  |             /* 503: Error: already authenticated */ | ||
|  |             if ($this->_code === 503) { | ||
|  |                 return true; | ||
|  |             } | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         $auth_str = base64_encode(chr(0) . $uid . chr(0) . $pwd); | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put($auth_str))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         /* 235: Authentication successful */ | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(235))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the HELO command. | ||
|  |      * | ||
|  |      * @param string The domain name to say we are. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function helo($domain) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('HELO', $domain))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Return the list of SMTP service extensions advertised by the server. | ||
|  |      * | ||
|  |      * @return array The list of SMTP service extensions. | ||
|  |      * @access public | ||
|  |      * @since 1.3 | ||
|  |      */ | ||
|  |     function getServiceExtensions() | ||
|  |     { | ||
|  |         return $this->_esmtp; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the MAIL FROM: command. | ||
|  |      * | ||
|  |      * @param string $sender    The sender (reverse path) to set. | ||
|  |      * @param string $params    String containing additional MAIL parameters, | ||
|  |      *                          such as the NOTIFY flags defined by RFC 1891 | ||
|  |      *                          or the VERP protocol. | ||
|  |      * | ||
|  |      *                          If $params is an array, only the 'verp' option | ||
|  |      *                          is supported.  If 'verp' is true, the XVERP | ||
|  |      *                          parameter is appended to the MAIL command.  If | ||
|  |      *                          the 'verp' value is a string, the full | ||
|  |      *                          XVERP=value parameter is appended. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function mailFrom($sender, $params = null) | ||
|  |     { | ||
|  |         $args = "FROM:<$sender>"; | ||
|  | 
 | ||
|  |         /* Support the deprecated array form of $params. */ | ||
|  |         if (is_array($params) && isset($params['verp'])) { | ||
|  |             /* XVERP */ | ||
|  |             if ($params['verp'] === true) { | ||
|  |                 $args .= ' XVERP'; | ||
|  | 
 | ||
|  |             /* XVERP=something */ | ||
|  |             } elseif (trim($params['verp'])) { | ||
|  |                 $args .= ' XVERP=' . $params['verp']; | ||
|  |             } | ||
|  |         } elseif (is_string($params)) { | ||
|  |             $args .= ' ' . $params; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put('MAIL', $args))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the RCPT TO: command. | ||
|  |      * | ||
|  |      * @param string $recipient The recipient (forward path) to add. | ||
|  |      * @param string $params    String containing additional RCPT parameters, | ||
|  |      *                          such as the NOTIFY flags defined by RFC 1891. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function rcptTo($recipient, $params = null) | ||
|  |     { | ||
|  |         $args = "TO:<$recipient>"; | ||
|  |         if (is_string($params)) { | ||
|  |             $args .= ' ' . $params; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put('RCPT', $args))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(array(250, 251), $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Quote the data so that it meets SMTP standards. | ||
|  |      * | ||
|  |      * This is provided as a separate public function to facilitate | ||
|  |      * easier overloading for the cases where it is desirable to | ||
|  |      * customize the quoting behavior. | ||
|  |      * | ||
|  |      * @param string $data  The message text to quote. The string must be passed | ||
|  |      *                      by reference, and the text will be modified in place. | ||
|  |      * | ||
|  |      * @access public | ||
|  |      * @since  1.2 | ||
|  |      */ | ||
|  |     function quotedata(&$data) | ||
|  |     { | ||
|  |         /* Change Unix (\n) and Mac (\r) linefeeds into | ||
|  |          * Internet-standard CRLF (\r\n) linefeeds. */ | ||
|  |         $data = preg_replace(array('/(?<!\r)\n/','/\r(?!\n)/'), "\r\n", $data); | ||
|  | 
 | ||
|  |         /* Because a single leading period (.) signifies an end to the | ||
|  |          * data, legitimate leading periods need to be "doubled" | ||
|  |          * (e.g. '..'). */ | ||
|  |         $data = str_replace("\n.", "\n..", $data); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the DATA command. | ||
|  |      * | ||
|  |      * @param string $data  The message body to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function data($data) | ||
|  |     { | ||
|  |         /* RFC 1870, section 3, subsection 3 states "a value of zero
 | ||
|  |          * indicates that no fixed maximum message size is in force".
 | ||
|  |          * Furthermore, it says that if "the parameter is omitted no
 | ||
|  |          * information is conveyed about the server's fixed maximum | ||
|  |          * message size". */
 | ||
|  |         if (isset($this->_esmtp['SIZE']) && ($this->_esmtp['SIZE'] > 0)) { | ||
|  |             if (strlen($data) >= $this->_esmtp['SIZE']) { | ||
|  |                 $this->disconnect(); | ||
|  |                 return PEAR::raiseError('Message size excedes the server limit'); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         /* Quote the data based on the SMTP standards. */ | ||
|  |         $this->quotedata($data); | ||
|  | 
 | ||
|  |         if (PEAR::isError($error = $this->_put('DATA'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(354))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         if (PEAR::isError($result = $this->_send($data . "\r\n.\r\n"))) { | ||
|  |             return $result; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the SEND FROM: command. | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.2.6 | ||
|  |      */ | ||
|  |     function sendFrom($path) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('SEND', "FROM:<$path>"))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Backwards-compatibility wrapper for sendFrom(). | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * | ||
|  |      * @access      public | ||
|  |      * @since       1.0 | ||
|  |      * @deprecated  1.2.6 | ||
|  |      */ | ||
|  |     function send_from($path) | ||
|  |     { | ||
|  |         return sendFrom($path); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the SOML FROM: command. | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.2.6 | ||
|  |      */ | ||
|  |     function somlFrom($path) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('SOML', "FROM:<$path>"))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Backwards-compatibility wrapper for somlFrom(). | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * | ||
|  |      * @access      public | ||
|  |      * @since       1.0 | ||
|  |      * @deprecated  1.2.6 | ||
|  |      */ | ||
|  |     function soml_from($path) | ||
|  |     { | ||
|  |         return somlFrom($path); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the SAML FROM: command. | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.2.6 | ||
|  |      */ | ||
|  |     function samlFrom($path) | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('SAML', "FROM:<$path>"))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Backwards-compatibility wrapper for samlFrom(). | ||
|  |      * | ||
|  |      * @param string The reverse path to send. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * | ||
|  |      * @access      public | ||
|  |      * @since       1.0 | ||
|  |      * @deprecated  1.2.6 | ||
|  |      */ | ||
|  |     function saml_from($path) | ||
|  |     { | ||
|  |         return samlFrom($path); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the RSET command. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function rset() | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('RSET'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the VRFY command. | ||
|  |      * | ||
|  |      * @param string The string to verify | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function vrfy($string) | ||
|  |     { | ||
|  |         /* Note: 251 is also a valid response code */ | ||
|  |         if (PEAR::isError($error = $this->_put('VRFY', $string))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(array(250, 252)))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Send the NOOP command. | ||
|  |      * | ||
|  |      * @return mixed Returns a PEAR_Error with an error message on any | ||
|  |      *               kind of failure, or true on success. | ||
|  |      * @access public | ||
|  |      * @since  1.0 | ||
|  |      */ | ||
|  |     function noop() | ||
|  |     { | ||
|  |         if (PEAR::isError($error = $this->_put('NOOP'))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  |         if (PEAR::isError($error = $this->_parseResponse(250))) { | ||
|  |             return $error; | ||
|  |         } | ||
|  | 
 | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Backwards-compatibility method.  identifySender()'s functionality is | ||
|  |      * now handled internally. | ||
|  |      * | ||
|  |      * @return  boolean     This method always return true. | ||
|  |      * | ||
|  |      * @access  public | ||
|  |      * @since   1.0 | ||
|  |      */ | ||
|  |     function identifySender() | ||
|  |     { | ||
|  |         return true; | ||
|  |     } | ||
|  | 
 | ||
|  | } |