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<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
//@require 'Swift/Transport.php';
//@require 'Swift/Transport/MailInvoker.php';
//@require 'Swift/Mime/Message.php';
//@require 'Swift/Events/EventListener.php';
/**
* Sends Messages using the mail() function.
*
* It is advised that users do not use this transport if at all possible
* since a number of plugin features cannot be used in conjunction with this
* transport due to the internal interface in PHP itself.
*
* The level of error reporting with this transport is incredibly weak, again
* due to limitations of PHP's internal mail() function. You'll get an
* all-or-nothing result from sending.
*
* @package Swift
* @subpackage Transport
* @author Chris Corbyn
*/
class Swift_Transport_MailTransport implements Swift_Transport
{
/** Addtional parameters to pass to mail() */
private $_extraParams = '-f%s';
/** The event dispatcher from the plugin API */
private $_eventDispatcher;
/** An invoker that calls the mail() function */
private $_invoker;
/**
* Create a new MailTransport with the $log.
* @param Swift_Transport_Log $log
*/
public function __construct(Swift_Transport_MailInvoker $invoker,
Swift_Events_EventDispatcher $eventDispatcher)
{
$this->_invoker = $invoker;
$this->_eventDispatcher = $eventDispatcher;
}
/**
* Not used.
*/
public function isStarted()
{
return false;
}
/**
* Not used.
*/
public function start()
{
}
/**
* Not used.
*/
public function stop()
{
}
/**
* Set the additional parameters used on the mail() function.
*
* This string is formatted for sprintf() where %s is the sender address.
*
* @param string $params
*/
public function setExtraParams($params)
{
$this->_extraParams = $params;
return $this;
}
/**
* Get the additional parameters used on the mail() function.
*
* This string is formatted for sprintf() where %s is the sender address.
*
* @return string
*/
public function getExtraParams()
{
return $this->_extraParams;
}
/**
* Send the given Message.
*
* Recipient/sender data will be retreived from the Message API.
* The return value is the number of recipients who were accepted for delivery.
*
* @param Swift_Mime_Message $message
* @param string[] &$failedRecipients to collect failures by-reference
* @return int
*/
public function send(Swift_Mime_Message $message, &$failedRecipients = null)
{
$failedRecipients = (array) $failedRecipients;
if ($evt = $this->_eventDispatcher->createSendEvent($this, $message))
{
$this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
if ($evt->bubbleCancelled())
{
return 0;
}
}
$count = (
count((array) $message->getTo())
+ count((array) $message->getCc())
+ count((array) $message->getBcc())
);
$toHeader = $message->getHeaders()->get('To');
$subjectHeader = $message->getHeaders()->get('Subject');
$to = $toHeader->getFieldBody();
$subject = $subjectHeader->getFieldBody();
$reversePath = $this->_getReversePath($message);
//Remove headers that would otherwise be duplicated
$message->getHeaders()->remove('To');
$message->getHeaders()->remove('Subject');
$messageStr = $message->toString();
$message->getHeaders()->set($toHeader);
$message->getHeaders()->set($subjectHeader);
//Separate headers from body
if (false !== $endHeaders = strpos($messageStr, "\r\n\r\n"))
{
$headers = substr($messageStr, 0, $endHeaders) . "\r\n"; //Keep last EOL
$body = substr($messageStr, $endHeaders + 4);
}
else
{
$headers = $messageStr . "\r\n";
$body = '';
}
unset($messageStr);
if ("\r\n" != PHP_EOL) //Non-windows (not using SMTP)
{
$headers = str_replace("\r\n", PHP_EOL, $headers);
$body = str_replace("\r\n", PHP_EOL, $body);
}
else //Windows, using SMTP
{
$headers = str_replace("\r\n.", "\r\n..", $headers);
$body = str_replace("\r\n.", "\r\n..", $body);
}
if ($this->_invoker->mail($to, $subject, $body, $headers,
sprintf($this->_extraParams, $reversePath)))
{
if ($evt)
{
$evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
$evt->setFailedRecipients($failedRecipients);
$this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
}
}
else
{
$failedRecipients = array_merge(
$failedRecipients,
array_keys((array) $message->getTo()),
array_keys((array) $message->getCc()),
array_keys((array) $message->getBcc())
);
if ($evt)
{
$evt->setResult(Swift_Events_SendEvent::RESULT_FAILED);
$evt->setFailedRecipients($failedRecipients);
$this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
}
$message->generateId();
$count = 0;
}
return $count;
}
/**
* Register a plugin.
*
* @param Swift_Events_EventListener $plugin
*/
public function registerPlugin(Swift_Events_EventListener $plugin)
{
$this->_eventDispatcher->bindEventListener($plugin);
}
// -- Private methods
/** Determine the best-use reverse path for this message */
private function _getReversePath(Swift_Mime_Message $message)
{
$return = $message->getReturnPath();
$sender = $message->getSender();
$from = $message->getFrom();
$path = null;
if (!empty($return))
{
$path = $return;
}
elseif (!empty($sender))
{
$keys = array_keys($sender);
$path = array_shift($keys);
}
elseif (!empty($from))
{
$keys = array_keys($from);
$path = array_shift($keys);
}
return $path;
}
}
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