diff options
Diffstat (limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php')
| -rw-r--r-- | vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php new file mode 100644 index 0000000..156e2cf --- /dev/null +++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php @@ -0,0 +1,411 @@ +<?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, + 'stream_context_options' => array(), + ); + + /** + * 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 $this + */ + public function setHost($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 $this + */ + public function setPort($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 $this + */ + public function setTimeout($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 $this + */ + public function setEncryption($encryption) + { + $encryption = strtolower($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 stream context options. + * + * @param array $options + * + * @return $this + */ + public function setStreamOptions($options) + { + $this->_params['stream_context_options'] = $options; + + return $this; + } + + /** + * Returns the stream context options. + * + * @return array + */ + public function getStreamOptions() + { + return $this->_params['stream_context_options']; + } + + /** + * Sets the source IP. + * + * @param string $source + * + * @return $this + */ + public function setSourceIp($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 $this + */ + 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, $failures); + } + + /** Mixin handling method for ESMTP handlers */ + public function __call($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 (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 %s\r\n", $this->_domain), array(250) + ); + } catch (Swift_TransportException $e) { + return parent::_doHeloCommand(); + } + + if ($this->_params['tls']) { + try { + $this->executeCommand("STARTTLS\r\n", array(220)); + + if (!$this->_buffer->startTLS()) { + throw new Swift_TransportException('Unable to connect with TLS encryption'); + } + + try { + $response = $this->executeCommand( + sprintf("EHLO %s\r\n", $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>%s\r\n", $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>%s\r\n", $address, $paramStr), array(250, 251, 252) + ); + } + + /** Determine ESMTP capabilities by function group */ + private function _getCapabilities($ehloResponse) + { + $capabilities = array(); + $ehloResponse = trim($ehloResponse); + $lines = explode("\r\n", $ehloResponse); + array_shift($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()); + } +} |