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./othercms/elxis_5.3_atlas_rev2452/includes/libraries/swift/classes/Swift/Plugins/ImpersonatePlugin.php
<?php

/*
 * This file is part of SwiftMailer.
 * (c) 2009 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Replaces the sender of a message.
 *
 * @author Arjen Brouwer
 */
class Swift_Plugins_ImpersonatePlugin implements Swift_Events_SendListener
{
   
/**
     * The sender to impersonate.
     *
     * @var string
     */
   
private $_sender;

   
/**
     * Create a new ImpersonatePlugin to impersonate $sender.
     *
     * @param string $sender address
     */
   
public function __construct($sender)
    {
       
$this->_sender = $sender;
    }

   
/**
     * Invoked immediately before the Message is sent.
     *
     * @param Swift_Events_SendEvent $evt
     */
   
public function beforeSendPerformed(Swift_Events_SendEvent $evt)
    {
       
$message = $evt->getMessage();
       
$headers = $message->getHeaders();

       
// save current recipients
       
$headers->addPathHeader('X-Swift-Return-Path', $message->getReturnPath());

       
// replace them with the one to send to
       
$message->setReturnPath($this->_sender);
    }

   
/**
     * Invoked immediately after the Message is sent.
     *
     * @param Swift_Events_SendEvent $evt
     */
   
public function sendPerformed(Swift_Events_SendEvent $evt)
    {
       
$message = $evt->getMessage();

       
// restore original headers
       
$headers = $message->getHeaders();

        if (
$headers->has('X-Swift-Return-Path')) {
           
$message->setReturnPath($headers->get('X-Swift-Return-Path')->getAddress());
           
$headers->removeAll('X-Swift-Return-Path');
        }
    }
}