1189 lines
36 KiB
PHP
1189 lines
36 KiB
PHP
<?php
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/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Chuck Hagenbuch <chuck@horde.org> |
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// | Jon Parise <jon@php.net> |
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// | Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar> |
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// +----------------------------------------------------------------------+
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//
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// $Id: SMTP.php 293948 2010-01-24 21:46:00Z jon $
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require_once 'PEAR.php';
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require_once 'Net/Socket.php';
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/**
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* Provides an implementation of the SMTP protocol using PEAR's
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* Net_Socket:: class.
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*
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* @package Net_SMTP
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Jon Parise <jon@php.net>
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* @author Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar>
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*
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* @example basic.php A basic implementation of the Net_SMTP package.
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*/
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class Net_SMTP
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{
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/**
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* The server to connect to.
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* @var string
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* @access public
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*/
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var $host = 'localhost';
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/**
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* The port to connect to.
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* @var int
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* @access public
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*/
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var $port = 25;
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/**
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* The value to give when sending EHLO or HELO.
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* @var string
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* @access public
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*/
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var $localhost = 'localhost';
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/**
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* List of supported authentication methods, in preferential order.
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* @var array
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* @access public
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*/
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var $auth_methods = array('DIGEST-MD5', 'CRAM-MD5', 'LOGIN', 'PLAIN');
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/**
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* Use SMTP command pipelining (specified in RFC 2920) if the SMTP
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* server supports it.
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*
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* When pipeling is enabled, rcptTo(), mailFrom(), sendFrom(),
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* somlFrom() and samlFrom() do not wait for a response from the
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* SMTP server but return immediately.
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*
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* @var bool
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* @access public
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*/
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var $pipelining = false;
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/**
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* Number of pipelined commands.
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* @var int
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* @access private
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*/
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var $_pipelined_commands = 0;
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/**
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* Should debugging output be enabled?
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* @var boolean
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* @access private
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*/
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var $_debug = false;
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/**
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* Debug output handler.
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* @var callback
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* @access private
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*/
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var $_debug_handler = null;
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/**
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* The socket resource being used to connect to the SMTP server.
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* @var resource
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* @access private
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*/
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var $_socket = null;
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/**
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* The most recent server response code.
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* @var int
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* @access private
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*/
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var $_code = -1;
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/**
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* The most recent server response arguments.
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* @var array
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* @access private
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*/
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var $_arguments = array();
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/**
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* Stores the SMTP server's greeting string.
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* @var string
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* @access private
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*/
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var $_greeting = null;
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/**
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* Stores detected features of the SMTP server.
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* @var array
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* @access private
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*/
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var $_esmtp = array();
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/**
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* Instantiates a new Net_SMTP object, overriding any defaults
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* with parameters that are passed in.
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*
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* If you have SSL support in PHP, you can connect to a server
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* over SSL using an 'ssl://' prefix:
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*
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* // 465 is a common smtps port.
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* $smtp = new Net_SMTP('ssl://mail.host.com', 465);
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* $smtp->connect();
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*
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* @param string $host The server to connect to.
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* @param integer $port The port to connect to.
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* @param string $localhost The value to give when sending EHLO or HELO.
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* @param boolean $pipeling Use SMTP command pipelining
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*
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* @access public
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* @since 1.0
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*/
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function Net_SMTP($host = null, $port = null, $localhost = null, $pipelining = false)
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{
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if (isset($host)) {
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$this->host = $host;
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}
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if (isset($port)) {
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$this->port = $port;
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}
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if (isset($localhost)) {
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$this->localhost = $localhost;
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}
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$this->pipelining = $pipelining;
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$this->_socket = new Net_Socket();
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/* Include the Auth_SASL package. If the package is not
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* available, we disable the authentication methods that
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* depend upon it. */
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if ((@include_once 'Auth/SASL.php') === false) {
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$pos = array_search('DIGEST-MD5', $this->auth_methods);
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unset($this->auth_methods[$pos]);
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$pos = array_search('CRAM-MD5', $this->auth_methods);
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unset($this->auth_methods[$pos]);
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}
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}
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/**
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* Set the value of the debugging flag.
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*
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* @param boolean $debug New value for the debugging flag.
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*
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* @access public
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* @since 1.1.0
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*/
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function setDebug($debug, $handler = null)
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{
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$this->_debug = $debug;
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$this->_debug_handler = $handler;
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}
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/**
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* Write the given debug text to the current debug output handler.
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*
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* @param string $message Debug mesage text.
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*
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* @access private
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* @since 1.3.3
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*/
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function _debug($message)
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{
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if ($this->_debug) {
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if ($this->_debug_handler) {
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call_user_func_array($this->_debug_handler,
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array(&$this, $message));
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} else {
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echo "DEBUG: $message\n";
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}
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}
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}
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/**
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* Send the given string of data to the server.
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*
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* @param string $data The string of data to send.
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*
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* @return mixed True on success or a PEAR_Error object on failure.
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*
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* @access private
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* @since 1.1.0
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*/
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function _send($data)
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{
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$this->_debug("Send: $data");
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$error = $this->_socket->write($data);
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if ($error === false || PEAR::isError($error)) {
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$msg = ($error) ? $error->getMessage() : "unknown error";
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return PEAR::raiseError("Failed to write to socket: $msg");
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}
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return true;
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}
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/**
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* Send a command to the server with an optional string of
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* arguments. A carriage return / linefeed (CRLF) sequence will
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* be appended to each command string before it is sent to the
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* SMTP server - an error will be thrown if the command string
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* already contains any newline characters. Use _send() for
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* commands that must contain newlines.
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*
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* @param string $command The SMTP command to send to the server.
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* @param string $args A string of optional arguments to append
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* to the command.
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*
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* @return mixed The result of the _send() call.
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*
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* @access private
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* @since 1.1.0
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*/
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function _put($command, $args = '')
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{
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if (!empty($args)) {
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$command .= ' ' . $args;
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}
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if (strcspn($command, "\r\n") !== strlen($command)) {
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return PEAR::raiseError('Commands cannot contain newlines');
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}
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return $this->_send($command . "\r\n");
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}
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/**
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* Read a reply from the SMTP server. The reply consists of a response
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* code and a response message.
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*
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* @param mixed $valid The set of valid response codes. These
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* may be specified as an array of integer
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* values or as a single integer value.
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* @param bool $later Do not parse the response now, but wait
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* until the last command in the pipelined
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* command group
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*
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* @return mixed True if the server returned a valid response code or
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* a PEAR_Error object is an error condition is reached.
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*
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* @access private
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* @since 1.1.0
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*
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* @see getResponse
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*/
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function _parseResponse($valid, $later = false)
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{
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$this->_code = -1;
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$this->_arguments = array();
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if ($later) {
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$this->_pipelined_commands++;
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return true;
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}
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for ($i = 0; $i <= $this->_pipelined_commands; $i++) {
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while ($line = $this->_socket->readLine()) {
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$this->_debug("Recv: $line");
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/* If we receive an empty line, the connection has been closed. */
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if (empty($line)) {
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$this->disconnect();
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return PEAR::raiseError('Connection was unexpectedly closed');
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}
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/* Read the code and store the rest in the arguments array. */
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$code = substr($line, 0, 3);
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$this->_arguments[] = trim(substr($line, 4));
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/* Check the syntax of the response code. */
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if (is_numeric($code)) {
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$this->_code = (int)$code;
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} else {
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$this->_code = -1;
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break;
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}
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/* If this is not a multiline response, we're done. */
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if (substr($line, 3, 1) != '-') {
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break;
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}
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}
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}
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$this->_pipelined_commands = 0;
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/* Compare the server's response code with the valid code/codes. */
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if (is_int($valid) && ($this->_code === $valid)) {
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return true;
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} elseif (is_array($valid) && in_array($this->_code, $valid, true)) {
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return true;
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}
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return PEAR::raiseError('Invalid response code received from server',
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$this->_code);
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}
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/**
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* Return a 2-tuple containing the last response from the SMTP server.
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*
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* @return array A two-element array: the first element contains the
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* response code as an integer and the second element
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* contains the response's arguments as a string.
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*
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* @access public
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* @since 1.1.0
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*/
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function getResponse()
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{
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return array($this->_code, join("\n", $this->_arguments));
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}
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/**
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* Return the SMTP server's greeting string.
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*
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* @return string A string containing the greeting string, or null if a
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* greeting has not been received.
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*
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* @access public
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* @since 1.3.3
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*/
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function getGreeting()
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{
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return $this->_greeting;
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}
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/**
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* Attempt to connect to the SMTP server.
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*
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* @param int $timeout The timeout value (in seconds) for the
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* socket connection.
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* @param bool $persistent Should a persistent socket connection
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* be used?
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*
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* @return mixed Returns a PEAR_Error with an error message on any
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* kind of failure, or true on success.
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* @access public
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* @since 1.0
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*/
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function connect($timeout = null, $persistent = false)
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{
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$this->_greeting = null;
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$result = $this->_socket->connect($this->host, $this->port,
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$persistent, $timeout);
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if (PEAR::isError($result)) {
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return PEAR::raiseError('Failed to connect socket: ' .
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$result->getMessage());
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}
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if (PEAR::isError($error = $this->_parseResponse(220))) {
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return $error;
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}
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/* Extract and store a copy of the server's greeting string. */
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list(, $this->_greeting) = $this->getResponse();
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if (PEAR::isError($error = $this->_negotiate())) {
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return $error;
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}
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return true;
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}
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/**
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* Attempt to disconnect from the SMTP server.
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*
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* @return mixed Returns a PEAR_Error with an error message on any
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* kind of failure, or true on success.
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* @access public
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* @since 1.0
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*/
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function disconnect()
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{
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if (PEAR::isError($error = $this->_put('QUIT'))) {
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return $error;
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}
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if (PEAR::isError($error = $this->_parseResponse(221))) {
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return $error;
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}
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if (PEAR::isError($error = $this->_socket->disconnect())) {
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return PEAR::raiseError('Failed to disconnect socket: ' .
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$error->getMessage());
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}
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return true;
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}
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/**
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* Attempt to send the EHLO command and obtain a list of ESMTP
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* extensions available, and failing that just send HELO.
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*
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* @return mixed Returns a PEAR_Error with an error message on any
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* kind of failure, or true on success.
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*
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* @access private
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* @since 1.1.0
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*/
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function _negotiate()
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{
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if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) {
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return $error;
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}
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if (PEAR::isError($this->_parseResponse(250))) {
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/* If we receive a 503 response, we're already authenticated. */
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if ($this->_code === 503) {
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return true;
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}
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/* If the EHLO failed, try the simpler HELO command. */
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if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) {
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return $error;
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}
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if (PEAR::isError($this->_parseResponse(250))) {
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return PEAR::raiseError('HELO was not accepted: ', $this->_code);
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}
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return true;
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}
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foreach ($this->_arguments as $argument) {
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$verb = strtok($argument, ' ');
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$arguments = substr($argument, strlen($verb) + 1,
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strlen($argument) - strlen($verb) - 1);
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$this->_esmtp[$verb] = $arguments;
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}
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if (!isset($this->_esmtp['PIPELINING'])) {
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$this->pipelining = false;
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}
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return true;
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}
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|
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/**
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* Returns the name of the best authentication method that the server
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* has advertised.
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*
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* @return mixed Returns a string containing the name of the best
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* supported authentication method or a PEAR_Error object
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* if a failure condition is encountered.
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* @access private
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* @since 1.1.0
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*/
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function _getBestAuthMethod()
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{
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$available_methods = explode(' ', $this->_esmtp['AUTH']);
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foreach ($this->auth_methods as $method) {
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if (in_array($method, $available_methods)) {
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return $method;
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}
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}
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return PEAR::raiseError('No supported authentication methods');
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}
|
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|
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/**
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* Attempt to do SMTP authentication.
|
|
*
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* @param string The userid to authenticate as.
|
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* @param string The password to authenticate with.
|
|
* @param string The requested authentication method. If none is
|
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* specified, the best supported method will be used.
|
|
* @param bool Flag indicating whether or not TLS should be attempted.
|
|
*
|
|
* @return mixed Returns a PEAR_Error with an error message on any
|
|
* kind of failure, or true on success.
|
|
* @access public
|
|
* @since 1.0
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*/
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|
function auth($uid, $pwd , $method = '', $tls = true)
|
|
{
|
|
/* We can only attempt a TLS connection if one has been requested,
|
|
* we're running PHP 5.1.0 or later, have access to the OpenSSL
|
|
* extension, are connected to an SMTP server which supports the
|
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* STARTTLS extension, and aren't already connected over a secure
|
|
* (SSL) socket connection. */
|
|
if ($tls && version_compare(PHP_VERSION, '5.1.0', '>=') &&
|
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extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) &&
|
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strncasecmp($this->host, 'ssl://', 6) !== 0) {
|
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/* Start the TLS connection attempt. */
|
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if (PEAR::isError($result = $this->_put('STARTTLS'))) {
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return $result;
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}
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if (PEAR::isError($result = $this->_parseResponse(220))) {
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return $result;
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}
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if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) {
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return $result;
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} elseif ($result !== true) {
|
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return PEAR::raiseError('STARTTLS failed');
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}
|
|
|
|
/* Send EHLO again to recieve the AUTH string from the
|
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* SMTP server. */
|
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$this->_negotiate();
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}
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|
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if (empty($this->_esmtp['AUTH'])) {
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return PEAR::raiseError('SMTP server does not support authentication');
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}
|
|
|
|
/* If no method has been specified, get the name of the best
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* supported method advertised by the SMTP server. */
|
|
if (empty($method)) {
|
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if (PEAR::isError($method = $this->_getBestAuthMethod())) {
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/* Return the PEAR_Error object from _getBestAuthMethod(). */
|
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return $method;
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}
|
|
} else {
|
|
$method = strtoupper($method);
|
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if (!in_array($method, $this->auth_methods)) {
|
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return PEAR::raiseError("$method is not a supported authentication method");
|
|
}
|
|
}
|
|
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|
switch ($method) {
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|
case 'DIGEST-MD5':
|
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$result = $this->_authDigest_MD5($uid, $pwd);
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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 mixed $data The message data, either as a string or an open
|
|
* file resource.
|
|
* @param string $headers The message headers. If $headers is provided,
|
|
* $data is assumed to contain only body data.
|
|
*
|
|
* @return mixed Returns a PEAR_Error with an error message on any
|
|
* kind of failure, or true on success.
|
|
* @access public
|
|
* @since 1.0
|
|
*/
|
|
function data($data, $headers = null)
|
|
{
|
|
/* Verify that $data is a supported type. */
|
|
if (!is_string($data) && !is_resource($data)) {
|
|
return PEAR::raiseError('Expected a string or file resource');
|
|
}
|
|
|
|
/* RFC 1870, section 3, subsection 3 states "a value of zero
|
|
* indicates that no fixed maximum message size is in force".
|
|
* Furthermore, it says that if "the parameter is omitted no
|
|
* information is conveyed about the server's fixed maximum
|
|
* message size". */
|
|
if (isset($this->_esmtp['SIZE']) && ($this->_esmtp['SIZE'] > 0)) {
|
|
/* Start by considering the size of the optional headers string.
|
|
* We also account for the addition 4 character "\r\n\r\n"
|
|
* separator sequence. */
|
|
$size = (is_null($headers)) ? 0 : strlen($headers) + 4;
|
|
|
|
if (is_resource($data)) {
|
|
$stat = fstat($data);
|
|
if ($stat === false) {
|
|
return PEAR::raiseError('Failed to get file size');
|
|
}
|
|
$size += $stat['size'];
|
|
} else {
|
|
$size += strlen($data);
|
|
}
|
|
|
|
if ($size >= $this->_esmtp['SIZE']) {
|
|
$this->disconnect();
|
|
return PEAR::raiseError('Message size exceeds server limit');
|
|
}
|
|
}
|
|
|
|
/* Initiate the DATA command. */
|
|
if (PEAR::isError($error = $this->_put('DATA'))) {
|
|
return $error;
|
|
}
|
|
if (PEAR::isError($error = $this->_parseResponse(354))) {
|
|
return $error;
|
|
}
|
|
|
|
/* If we have a separate headers string, send it first. */
|
|
if (!is_null($headers)) {
|
|
$this->quotedata($headers);
|
|
if (PEAR::isError($result = $this->_send($headers . "\r\n\r\n"))) {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
/* Now we can send the message body data. */
|
|
if (is_resource($data)) {
|
|
/* Stream the contents of the file resource out over our socket
|
|
* connection, line by line. Each line must be run through the
|
|
* quoting routine. */
|
|
while ($line = fgets($data, 1024)) {
|
|
$this->quotedata($line);
|
|
if (PEAR::isError($result = $this->_send($line))) {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
/* Finally, send the DATA terminator sequence. */
|
|
if (PEAR::isError($result = $this->_send("\r\n.\r\n"))) {
|
|
return $result;
|
|
}
|
|
} else {
|
|
/* Just send the entire quoted string followed by the DATA
|
|
* terminator. */
|
|
$this->quotedata($data);
|
|
if (PEAR::isError($result = $this->_send($data . "\r\n.\r\n"))) {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
/* Verify that the data was successfully received by the server. */
|
|
if (PEAR::isError($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;
|
|
}
|
|
|
|
}
|