<?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.
*/
/**
* SendmailTransport for sending mail through a Sendmail/Postfix (etc..) binary.
*
* Supported modes are -bs and -t, with any additional flags desired.
* It is advised to use -bs mode since error reporting with -t mode is not
* possible.
*
* @author Chris Corbyn
*/
class Swift_Transport_SendmailTransport extends Swift_Transport_AbstractSmtpTransport
{
/**
* Connection buffer parameters.
*
* @var array
*/
private $params = [
'timeout' => 30,
'blocking' => 1,
'command' => '/usr/sbin/sendmail -bs',
'type' => Swift_Transport_IoBuffer::TYPE_PROCESS,
];
/**
* Create a new SendmailTransport with $buf for I/O.
*
* @param string $localDomain
*/
public function __construct(Swift_Transport_IoBuffer $buf, Swift_Events_EventDispatcher $dispatcher, $localDomain = '127.0.0.1', Swift_AddressEncoder $addressEncoder = null)
{
parent::__construct($buf, $dispatcher, $localDomain, $addressEncoder);
}
/**
* Start the standalone SMTP session if running in -bs mode.
*/
public function start()
{
if (false !== strpos($this->getCommand(), ' -bs')) {
parent::start();
}
}
/**
* Set the command to invoke.
*
* If using -t mode you are strongly advised to include -oi or -i in the flags.
* For example: /usr/sbin/sendmail -oi -t
* Swift will append a -f<sender> flag if one is not present.
*
* The recommended mode is "-bs" since it is interactive and failure notifications
* are hence possible.
*
* @param string $command
*
* @return $this
*/
public function setCommand($command)
{
$this->params['command'] = $command;
return $this;
}
/**
* Get the sendmail command which will be invoked.
*
* @return string
*/
public function getCommand()
{
return $this->params['command'];
}
/**
* Send the given Message.
*
* Recipient/sender data will be retrieved from the Message API.
*
* The return value is the number of recipients who were accepted for delivery.
* NOTE: If using 'sendmail -t' you will not be aware of any failures until
* they bounce (i.e. send() will always return 100% success).
*
* @param string[] $failedRecipients An array of failures by-reference
*
* @return int
*/
public function send(Swift_Mime_SimpleMessage $message, &$failedRecipients = null)
{
$failedRecipients = (array) $failedRecipients;
$command = $this->getCommand();
$buffer = $this->getBuffer();
$count = 0;
if (false !== strpos($command, ' -t')) {
if ($evt = $this->eventDispatcher->createSendEvent($this, $message)) {
$this->eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
if ($evt->bubbleCancelled()) {
return 0;
}
}
if (false === strpos($command, ' -f')) {
$command .= ' -f'.escapeshellarg($this->getReversePath($message));
}
$buffer->initialize(array_merge($this->params, ['command' => $command]));
if (false === strpos($command, ' -i') && false === strpos($command, ' -oi')) {
$buffer->setWriteTranslations(["\r\n" => "\n", "\n." => "\n.."]);
} else {
$buffer->setWriteTranslations(["\r\n" => "\n"]);
}
$count = \count((array) $message->getTo())
+ \count((array) $message->getCc())
+ \count((array) $message->getBcc())
;
$message->toByteStream($buffer);
$buffer->flushBuffers();
$buffer->setWriteTranslations([]);
$buffer->terminate();
if ($evt) {
$evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
$evt->setFailedRecipients($failedRecipients);
$this->eventDispatcher->dispatchEvent($evt, 'sendPerformed');
}
$message->generateId();
} elseif (false !== strpos($command, ' -bs')) {
$count = parent::send($message, $failedRecipients);
} else {
$this->throwException(new Swift_TransportException(
'Unsupported sendmail command flags ['.$command.']. '.
'Must be one of "-bs" or "-t" but can include additional flags.'
));
}
return $count;
}
/** Get the params to initialize the buffer */
protected function getBufferParams()
{
return $this->params;
}
}