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https://github.com/avecms/AVE.cms.git
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497 lines
14 KiB
PHP
497 lines
14 KiB
PHP
<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Sends Messages over SMTP.
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*
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* @author Chris Corbyn
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*/
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abstract class Swift_Transport_AbstractSmtpTransport implements Swift_Transport
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{
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/** Input-Output buffer for sending/receiving SMTP commands and responses */
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protected $_buffer;
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/** Connection status */
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protected $_started = false;
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/** The domain name to use in HELO command */
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protected $_domain = '[127.0.0.1]';
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/** The event dispatching layer */
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protected $_eventDispatcher;
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/** Source Ip */
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protected $_sourceIp;
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/** Return an array of params for the Buffer */
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abstract protected function _getBufferParams();
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/**
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* Creates a new EsmtpTransport using the given I/O buffer.
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*
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* @param Swift_Transport_IoBuffer $buf
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* @param Swift_Events_EventDispatcher $dispatcher
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*/
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public function __construct(Swift_Transport_IoBuffer $buf, Swift_Events_EventDispatcher $dispatcher)
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{
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$this->_eventDispatcher = $dispatcher;
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$this->_buffer = $buf;
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$this->_lookupHostname();
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}
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/**
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* Set the name of the local domain which Swift will identify itself as.
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*
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* This should be a fully-qualified domain name and should be truly the domain
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* you're using.
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*
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* If your server doesn't have a domain name, use the IP in square
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* brackets (i.e. [127.0.0.1]).
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*
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* @param string $domain
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*
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* @return Swift_Transport_AbstractSmtpTransport
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*/
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public function setLocalDomain($domain)
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{
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$this->_domain = $domain;
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return $this;
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}
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/**
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* Get the name of the domain Swift will identify as.
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*
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* @return string
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*/
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public function getLocalDomain()
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{
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return $this->_domain;
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}
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/**
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* Sets the source IP.
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*
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* @param string $source
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*/
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public function setSourceIp($source)
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{
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$this->_sourceIp = $source;
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}
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/**
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* Returns the IP used to connect to the destination.
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*
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* @return string
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*/
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public function getSourceIp()
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{
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return $this->_sourceIp;
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}
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/**
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* Start the SMTP connection.
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*/
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public function start()
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{
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if (!$this->_started) {
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if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStarted');
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if ($evt->bubbleCancelled()) {
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return;
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}
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}
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try {
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$this->_buffer->initialize($this->_getBufferParams());
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} catch (Swift_TransportException $e) {
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$this->_throwException($e);
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}
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$this->_readGreeting();
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$this->_doHeloCommand();
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if ($evt) {
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$this->_eventDispatcher->dispatchEvent($evt, 'transportStarted');
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}
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$this->_started = true;
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}
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}
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/**
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* Test if an SMTP connection has been established.
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*
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* @return bool
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*/
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public function isStarted()
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{
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return $this->_started;
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}
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/**
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* Send the given Message.
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*
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* Recipient/sender data will be retrieved from the Message API.
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* The return value is the number of recipients who were accepted for delivery.
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*
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* @param Swift_Mime_Message $message
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* @param string[] $failedRecipients An array of failures by-reference
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*
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* @return int
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*/
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public function send(Swift_Mime_Message $message, &$failedRecipients = null)
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{
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$sent = 0;
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$failedRecipients = (array) $failedRecipients;
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if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
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if ($evt->bubbleCancelled()) {
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return 0;
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}
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}
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if (!$reversePath = $this->_getReversePath($message)) {
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$this->_throwException(new Swift_TransportException(
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'Cannot send message without a sender address'
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)
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);
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}
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$to = (array) $message->getTo();
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$cc = (array) $message->getCc();
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$tos = array_merge($to, $cc);
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$bcc = (array) $message->getBcc();
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$message->setBcc(array());
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try {
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$sent += $this->_sendTo($message, $reversePath, $tos, $failedRecipients);
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$sent += $this->_sendBcc($message, $reversePath, $bcc, $failedRecipients);
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} catch (Exception $e) {
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$message->setBcc($bcc);
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throw $e;
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}
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$message->setBcc($bcc);
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if ($evt) {
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if ($sent == count($to) + count($cc) + count($bcc)) {
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$evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
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} elseif ($sent > 0) {
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$evt->setResult(Swift_Events_SendEvent::RESULT_TENTATIVE);
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} else {
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$evt->setResult(Swift_Events_SendEvent::RESULT_FAILED);
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}
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$evt->setFailedRecipients($failedRecipients);
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$this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
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}
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$message->generateId(); //Make sure a new Message ID is used
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return $sent;
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}
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/**
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* Stop the SMTP connection.
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*/
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public function stop()
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{
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if ($this->_started) {
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if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStopped');
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if ($evt->bubbleCancelled()) {
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return;
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}
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}
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try {
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$this->executeCommand("QUIT\r\n", array(221));
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} catch (Swift_TransportException $e) {
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}
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try {
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$this->_buffer->terminate();
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if ($evt) {
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$this->_eventDispatcher->dispatchEvent($evt, 'transportStopped');
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}
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} catch (Swift_TransportException $e) {
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$this->_throwException($e);
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}
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}
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$this->_started = false;
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}
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/**
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* Register a plugin.
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*
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* @param Swift_Events_EventListener $plugin
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*/
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public function registerPlugin(Swift_Events_EventListener $plugin)
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{
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$this->_eventDispatcher->bindEventListener($plugin);
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}
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/**
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* Reset the current mail transaction.
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*/
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public function reset()
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{
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$this->executeCommand("RSET\r\n", array(250));
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}
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/**
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* Get the IoBuffer where read/writes are occurring.
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*
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* @return Swift_Transport_IoBuffer
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*/
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public function getBuffer()
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{
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return $this->_buffer;
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}
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/**
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* Run a command against the buffer, expecting the given response codes.
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*
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* If no response codes are given, the response will not be validated.
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* If codes are given, an exception will be thrown on an invalid response.
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*
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* @param string $command
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* @param int[] $codes
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* @param string[] $failures An array of failures by-reference
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*
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* @return string
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*/
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public function executeCommand($command, $codes = array(), &$failures = null)
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{
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$failures = (array) $failures;
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$seq = $this->_buffer->write($command);
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$response = $this->_getFullResponse($seq);
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if ($evt = $this->_eventDispatcher->createCommandEvent($this, $command, $codes)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'commandSent');
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}
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$this->_assertResponseCode($response, $codes);
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return $response;
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}
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/** Read the opening SMTP greeting */
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protected function _readGreeting()
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{
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$this->_assertResponseCode($this->_getFullResponse(0), array(220));
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}
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/** Send the HELO welcome */
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protected function _doHeloCommand()
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{
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$this->executeCommand(
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sprintf("HELO %s\r\n", $this->_domain), array(250)
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);
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}
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/** Send the MAIL FROM command */
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protected function _doMailFromCommand($address)
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{
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$this->executeCommand(
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sprintf("MAIL FROM:<%s>\r\n", $address), array(250)
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);
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}
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/** Send the RCPT TO command */
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protected function _doRcptToCommand($address)
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{
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$this->executeCommand(
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sprintf("RCPT TO:<%s>\r\n", $address), array(250, 251, 252)
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);
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}
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/** Send the DATA command */
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protected function _doDataCommand()
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{
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$this->executeCommand("DATA\r\n", array(354));
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}
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/** Stream the contents of the message over the buffer */
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protected function _streamMessage(Swift_Mime_Message $message)
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{
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$this->_buffer->setWriteTranslations(array("\r\n." => "\r\n.."));
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try {
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$message->toByteStream($this->_buffer);
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$this->_buffer->flushBuffers();
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} catch (Swift_TransportException $e) {
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$this->_throwException($e);
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}
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$this->_buffer->setWriteTranslations(array());
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$this->executeCommand("\r\n.\r\n", array(250));
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}
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/** Determine the best-use reverse path for this message */
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protected function _getReversePath(Swift_Mime_Message $message)
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{
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$return = $message->getReturnPath();
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$sender = $message->getSender();
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$from = $message->getFrom();
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$path = null;
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if (!empty($return)) {
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$path = $return;
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} elseif (!empty($sender)) {
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// Don't use array_keys
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reset($sender); // Reset Pointer to first pos
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$path = key($sender); // Get key
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} elseif (!empty($from)) {
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reset($from); // Reset Pointer to first pos
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$path = key($from); // Get key
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}
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return $path;
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}
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/** Throw a TransportException, first sending it to any listeners */
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protected function _throwException(Swift_TransportException $e)
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{
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if ($evt = $this->_eventDispatcher->createTransportExceptionEvent($this, $e)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'exceptionThrown');
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if (!$evt->bubbleCancelled()) {
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throw $e;
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}
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} else {
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throw $e;
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}
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}
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/** Throws an Exception if a response code is incorrect */
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protected function _assertResponseCode($response, $wanted)
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{
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list($code) = sscanf($response, '%3d');
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$valid = (empty($wanted) || in_array($code, $wanted));
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if ($evt = $this->_eventDispatcher->createResponseEvent($this, $response,
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$valid)) {
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$this->_eventDispatcher->dispatchEvent($evt, 'responseReceived');
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}
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if (!$valid) {
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$this->_throwException(
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new Swift_TransportException(
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'Expected response code '.implode('/', $wanted).' but got code '.
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'"'.$code.'", with message "'.$response.'"',
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$code)
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);
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}
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}
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/** Get an entire multi-line response using its sequence number */
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protected function _getFullResponse($seq)
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{
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$response = '';
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try {
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do {
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$line = $this->_buffer->readLine($seq);
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$response .= $line;
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} while (null !== $line && false !== $line && ' ' != $line{3});
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} catch (Swift_TransportException $e) {
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$this->_throwException($e);
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} catch (Swift_IoException $e) {
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$this->_throwException(
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new Swift_TransportException(
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$e->getMessage())
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);
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}
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return $response;
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}
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/** Send an email to the given recipients from the given reverse path */
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private function _doMailTransaction($message, $reversePath, array $recipients, array &$failedRecipients)
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{
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$sent = 0;
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$this->_doMailFromCommand($reversePath);
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foreach ($recipients as $forwardPath) {
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try {
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$this->_doRcptToCommand($forwardPath);
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++$sent;
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} catch (Swift_TransportException $e) {
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$failedRecipients[] = $forwardPath;
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}
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}
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if ($sent != 0) {
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$this->_doDataCommand();
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$this->_streamMessage($message);
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} else {
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$this->reset();
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}
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return $sent;
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}
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/** Send a message to the given To: recipients */
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private function _sendTo(Swift_Mime_Message $message, $reversePath, array $to, array &$failedRecipients)
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{
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if (empty($to)) {
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return 0;
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}
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return $this->_doMailTransaction($message, $reversePath, array_keys($to),
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$failedRecipients);
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}
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/** Send a message to all Bcc: recipients */
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private function _sendBcc(Swift_Mime_Message $message, $reversePath, array $bcc, array &$failedRecipients)
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{
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$sent = 0;
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foreach ($bcc as $forwardPath => $name) {
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$message->setBcc(array($forwardPath => $name));
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$sent += $this->_doMailTransaction(
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$message, $reversePath, array($forwardPath), $failedRecipients
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);
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}
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return $sent;
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}
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/** Try to determine the hostname of the server this is run on */
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private function _lookupHostname()
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{
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if (!empty($_SERVER['SERVER_NAME']) && $this->_isFqdn($_SERVER['SERVER_NAME'])) {
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$this->_domain = $_SERVER['SERVER_NAME'];
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} elseif (!empty($_SERVER['SERVER_ADDR'])) {
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// Set the address literal tag (See RFC 5321, section: 4.1.3)
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if (false === strpos($_SERVER['SERVER_ADDR'], ':')) {
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$prefix = ''; // IPv4 addresses are not tagged.
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} else {
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$prefix = 'IPv6:'; // Adding prefix in case of IPv6.
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}
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$this->_domain = sprintf('[%s%s]', $prefix, $_SERVER['SERVER_ADDR']);
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}
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}
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/** Determine is the $hostname is a fully-qualified name */
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private function _isFqdn($hostname)
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{
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// We could do a really thorough check, but there's really no point
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if (false !== $dotPos = strpos($hostname, '.')) {
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return ($dotPos > 0) && ($dotPos != strlen($hostname) - 1);
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}
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return false;
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}
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/**
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* Destructor.
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*/
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public function __destruct()
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{
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$this->stop();
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}
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}
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