Файл: contao-3.5.8/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php
Строк: 389
<?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.
*/
/**
* Sends Messages over SMTP with ESMTP support.
*
* @author Chris Corbyn
*/
class Swift_Transport_EsmtpTransport extends Swift_Transport_AbstractSmtpTransport implements Swift_Transport_SmtpAgent
{
/**
* ESMTP extension handlers.
*
* @var Swift_Transport_EsmtpHandler[]
*/
private $_handlers = array();
/**
* ESMTP capabilities.
*
* @var string[]
*/
private $_capabilities = array();
/**
* Connection buffer parameters.
*
* @var array
*/
private $_params = array(
'protocol' => 'tcp',
'host' => 'localhost',
'port' => 25,
'timeout' => 30,
'blocking' => 1,
'tls' => false,
'type' => Swift_Transport_IoBuffer::TYPE_SOCKET,
);
/**
* Creates a new EsmtpTransport using the given I/O buffer.
*
* @param Swift_Transport_IoBuffer $buf
* @param Swift_Transport_EsmtpHandler[] $extensionHandlers
* @param Swift_Events_EventDispatcher $dispatcher
*/
public function __construct(Swift_Transport_IoBuffer $buf, array $extensionHandlers, Swift_Events_EventDispatcher $dispatcher)
{
parent::__construct($buf, $dispatcher);
$this->setExtensionHandlers($extensionHandlers);
}
/**
* Set the host to connect to.
*
* @param string $host
*
* @return Swift_Transport_EsmtpTransport
*/
public function setHost($host)
{
$this->_params['host'] = $host;
return $this;
}
/**
* Get the host to connect to.
*
* @return string
*/
public function getHost()
{
return $this->_params['host'];
}
/**
* Set the port to connect to.
*
* @param int $port
*
* @return Swift_Transport_EsmtpTransport
*/
public function setPort($port)
{
$this->_params['port'] = (int) $port;
return $this;
}
/**
* Get the port to connect to.
*
* @return int
*/
public function getPort()
{
return $this->_params['port'];
}
/**
* Set the connection timeout.
*
* @param int $timeout seconds
*
* @return Swift_Transport_EsmtpTransport
*/
public function setTimeout($timeout)
{
$this->_params['timeout'] = (int) $timeout;
$this->_buffer->setParam('timeout', (int) $timeout);
return $this;
}
/**
* Get the connection timeout.
*
* @return int
*/
public function getTimeout()
{
return $this->_params['timeout'];
}
/**
* Set the encryption type (tls or ssl).
*
* @param string $encryption
*
* @return Swift_Transport_EsmtpTransport
*/
public function setEncryption($encryption)
{
if ('tls' == $encryption) {
$this->_params['protocol'] = 'tcp';
$this->_params['tls'] = true;
} else {
$this->_params['protocol'] = $encryption;
$this->_params['tls'] = false;
}
return $this;
}
/**
* Get the encryption type.
*
* @return string
*/
public function getEncryption()
{
return $this->_params['tls'] ? 'tls' : $this->_params['protocol'];
}
/**
* Sets the source IP.
*
* @param string $source
*
* @return Swift_Transport_EsmtpTransport
*/
public function setSourceIp($source)
{
$this->_params['sourceIp'] = $source;
return $this;
}
/**
* Returns the IP used to connect to the destination.
*
* @return string
*/
public function getSourceIp()
{
return isset($this->_params['sourceIp']) ? $this->_params['sourceIp'] : null;
}
/**
* Set ESMTP extension handlers.
*
* @param Swift_Transport_EsmtpHandler[] $handlers
*
* @return Swift_Transport_EsmtpTransport
*/
public function setExtensionHandlers(array $handlers)
{
$assoc = array();
foreach ($handlers as $handler) {
$assoc[$handler->getHandledKeyword()] = $handler;
}
uasort($assoc, array($this, '_sortHandlers'));
$this->_handlers = $assoc;
$this->_setHandlerParams();
return $this;
}
/**
* Get ESMTP extension handlers.
*
* @return Swift_Transport_EsmtpHandler[]
*/
public function getExtensionHandlers()
{
return array_values($this->_handlers);
}
/**
* Run a command against the buffer, expecting the given response codes.
*
* If no response codes are given, the response will not be validated.
* If codes are given, an exception will be thrown on an invalid response.
*
* @param string $command
* @param int[] $codes
* @param string[] $failures An array of failures by-reference
*
* @return string
*/
public function executeCommand($command, $codes = array(), &$failures = null)
{
$failures = (array) $failures;
$stopSignal = false;
$response = null;
foreach ($this->_getActiveHandlers() as $handler) {
$response = $handler->onCommand(
$this, $command, $codes, $failures, $stopSignal
);
if ($stopSignal) {
return $response;
}
}
return parent::executeCommand($command, $codes, $failures);
}
// -- Mixin invocation code
/** Mixin handling method for ESMTP handlers */
public function __call($method, $args)
{
foreach ($this->_handlers as $handler) {
if (in_array(strtolower($method),
array_map('strtolower', (array) $handler->exposeMixinMethods())
)) {
$return = call_user_func_array(array($handler, $method), $args);
// Allow fluid method calls
if (is_null($return) && substr($method, 0, 3) == 'set') {
return $this;
} else {
return $return;
}
}
}
trigger_error('Call to undefined method '.$method, E_USER_ERROR);
}
/** Get the params to initialize the buffer */
protected function _getBufferParams()
{
return $this->_params;
}
/** Overridden to perform EHLO instead */
protected function _doHeloCommand()
{
try {
$response = $this->executeCommand(
sprintf("EHLO %srn", $this->_domain), array(250)
);
} catch (Swift_TransportException $e) {
return parent::_doHeloCommand();
}
if ($this->_params['tls']) {
try {
$this->executeCommand("STARTTLSrn", array(220));
if (!$this->_buffer->startTLS()) {
throw new Swift_TransportException('Unable to connect with TLS encryption');
}
try {
$response = $this->executeCommand(
sprintf("EHLO %srn", $this->_domain), array(250)
);
} catch (Swift_TransportException $e) {
return parent::_doHeloCommand();
}
} catch (Swift_TransportException $e) {
$this->_throwException($e);
}
}
$this->_capabilities = $this->_getCapabilities($response);
$this->_setHandlerParams();
foreach ($this->_getActiveHandlers() as $handler) {
$handler->afterEhlo($this);
}
}
/** Overridden to add Extension support */
protected function _doMailFromCommand($address)
{
$handlers = $this->_getActiveHandlers();
$params = array();
foreach ($handlers as $handler) {
$params = array_merge($params, (array) $handler->getMailParams());
}
$paramStr = !empty($params) ? ' '.implode(' ', $params) : '';
$this->executeCommand(
sprintf("MAIL FROM:<%s>%srn", $address, $paramStr), array(250)
);
}
/** Overridden to add Extension support */
protected function _doRcptToCommand($address)
{
$handlers = $this->_getActiveHandlers();
$params = array();
foreach ($handlers as $handler) {
$params = array_merge($params, (array) $handler->getRcptParams());
}
$paramStr = !empty($params) ? ' '.implode(' ', $params) : '';
$this->executeCommand(
sprintf("RCPT TO:<%s>%srn", $address, $paramStr), array(250, 251, 252)
);
}
/** Determine ESMTP capabilities by function group */
private function _getCapabilities($ehloResponse)
{
$capabilities = array();
$ehloResponse = trim($ehloResponse);
$lines = explode("rn", $ehloResponse);
array_shift($lines);
foreach ($lines as $line) {
if (preg_match('/^[0-9]{3}[ -]([A-Z0-9-]+)((?:[ =].*)?)$/Di', $line, $matches)) {
$keyword = strtoupper($matches[1]);
$paramStr = strtoupper(ltrim($matches[2], ' ='));
$params = !empty($paramStr) ? explode(' ', $paramStr) : array();
$capabilities[$keyword] = $params;
}
}
return $capabilities;
}
/** Set parameters which are used by each extension handler */
private function _setHandlerParams()
{
foreach ($this->_handlers as $keyword => $handler) {
if (array_key_exists($keyword, $this->_capabilities)) {
$handler->setKeywordParams($this->_capabilities[$keyword]);
}
}
}
/** Get ESMTP handlers which are currently ok to use */
private function _getActiveHandlers()
{
$handlers = array();
foreach ($this->_handlers as $keyword => $handler) {
if (array_key_exists($keyword, $this->_capabilities)) {
$handlers[] = $handler;
}
}
return $handlers;
}
/** Custom sort for extension handler ordering */
private function _sortHandlers($a, $b)
{
return $a->getPriorityOver($b->getHandledKeyword());
}
}