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<?php defined('_JEXEC') or die;
/**
* @package Fox Contact for Joomla
* @copyright Copyright (c) Fox Labs, all rights reserved.
* @license Distributed under the terms of the GNU General Public License GNU/GPL v3 http://www.gnu.org/licenses/gpl-3.0.html
* @see Documentation: http://www.fox.ra.it/forum/2-documentation.html
*/
class Swift_Message extends Swift_Mime_SimpleMessage
{
private $headerSigners = array();
private $bodySigners = array();
private $savedMessage = array();
public function __construct($subject = null, $body = null, $contentType = null, $charset = null)
{
call_user_func_array(array($this, 'Swift_Mime_SimpleMessage::__construct'), Swift_DependencyContainer::getInstance()->createDependenciesFor('mime.message'));
if (!isset($charset))
{
$charset = Swift_DependencyContainer::getInstance()->lookup('properties.charset');
}
$this->setSubject($subject);
$this->setBody($body);
$this->setCharset($charset);
if ($contentType)
{
$this->setContentType($contentType);
}
}
public static function newInstance($subject = null, $body = null, $contentType = null, $charset = null)
{
return new self($subject, $body, $contentType, $charset);
}
public function addPart($body, $contentType = null, $charset = null)
{
return $this->attach(Swift_MimePart::newInstance($body, $contentType, $charset)->setEncoder($this->getEncoder()));
}
public function attachSigner(Swift_Signer $signer)
{
if ($signer instanceof Swift_Signers_HeaderSigner)
{
$this->headerSigners[] = $signer;
}
elseif ($signer instanceof Swift_Signers_BodySigner)
{
$this->bodySigners[] = $signer;
}
return $this;
}
public function detachSigner(Swift_Signer $signer)
{
if ($signer instanceof Swift_Signers_HeaderSigner)
{
foreach ($this->headerSigners as $k => $headerSigner)
{
if ($headerSigner === $signer)
{
unset($this->headerSigners[$k]);
return $this;
}
}
}
elseif ($signer instanceof Swift_Signers_BodySigner)
{
foreach ($this->bodySigners as $k => $bodySigner)
{
if ($bodySigner === $signer)
{
unset($this->bodySigners[$k]);
return $this;
}
}
}
return $this;
}
public function toString()
{
if (empty($this->headerSigners) && empty($this->bodySigners))
{
return parent::toString();
}
$this->saveMessage();
$this->doSign();
$string = parent::toString();
$this->restoreMessage();
return $string;
}
public function toByteStream(Swift_InputByteStream $is)
{
if (empty($this->headerSigners) && empty($this->bodySigners))
{
parent::toByteStream($is);
return;
}
$this->saveMessage();
$this->doSign();
parent::toByteStream($is);
$this->restoreMessage();
}
public function __wakeup()
{
Swift_DependencyContainer::getInstance()->createDependenciesFor('mime.message');
}
protected function doSign()
{
foreach ($this->bodySigners as $signer)
{
$altered = $signer->getAlteredHeaders();
$this->saveHeaders($altered);
$signer->signMessage($this);
}
foreach ($this->headerSigners as $signer)
{
$altered = $signer->getAlteredHeaders();
$this->saveHeaders($altered);
$signer->reset();
$signer->setHeaders($this->getHeaders());
$signer->startBody();
$this->_bodyToByteStream($signer);
$signer->endBody();
$signer->addSignature($this->getHeaders());
}
}
protected function saveMessage()
{
$this->savedMessage = array('headers' => array());
$this->savedMessage['body'] = $this->getBody();
$this->savedMessage['children'] = $this->getChildren();
if (count($this->savedMessage['children']) > 0 && $this->getBody() != '')
{
$this->setChildren(array_merge(array($this->_becomeMimePart()), $this->savedMessage['children']));
$this->setBody('');
}
}
protected function saveHeaders(array $altered)
{
foreach ($altered as $head)
{
$lc = strtolower($head);
if (!isset($this->savedMessage['headers'][$lc]))
{
$this->savedMessage['headers'][$lc] = $this->getHeaders()->getAll($head);
}
}
}
protected function restoreHeaders()
{
foreach ($this->savedMessage['headers'] as $name => $savedValue)
{
$headers = $this->getHeaders()->getAll($name);
foreach ($headers as $key => $value)
{
if (!isset($savedValue[$key]))
{
$this->getHeaders()->remove($name, $key);
}
}
}
}
protected function restoreMessage()
{
$this->setBody($this->savedMessage['body']);
$this->setChildren($this->savedMessage['children']);
$this->restoreHeaders();
$this->savedMessage = array();
}
public function __clone()
{
parent::__clone();
foreach ($this->bodySigners as $key => $bodySigner)
{
$this->bodySigners[$key] = clone $bodySigner;
}
foreach ($this->headerSigners as $key => $headerSigner)
{
$this->headerSigners[$key] = clone $headerSigner;
}
}
}