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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_Plugins_DecoratorPlugin implements Swift_Events_SendListener, Swift_Plugins_Decorator_Replacements
{
	private $_replacements;
	private $_originalBody;
	private $_originalHeaders = array();
	private $_originalChildBodies = array();
	private $_lastMessage;
	
	public function __construct($replacements)
	{
		$this->setReplacements($replacements);
	}
	
	
	public function setReplacements($replacements)
	{
		if (!$replacements instanceof Swift_Plugins_Decorator_Replacements)
		{
			$this->_replacements = (array) $replacements;
		}
		else
		{
			$this->_replacements = $replacements;
		}
	
	}
	
	
	public function beforeSendPerformed(Swift_Events_SendEvent $evt)
	{
		$message = $evt->getMessage();
		$this->_restoreMessage($message);
		$to = array_keys($message->getTo());
		$address = array_shift($to);
		if ($replacements = $this->getReplacementsFor($address))
		{
			$body = $message->getBody();
			$search = array_keys($replacements);
			$replace = array_values($replacements);
			$bodyReplaced = str_replace($search, $replace, $body);
			if ($body != $bodyReplaced)
			{
				$this->_originalBody = $body;
				$message->setBody($bodyReplaced);
			}
			
			foreach ($message->getHeaders()->getAll() as $header)
			{
				$body = $header->getFieldBodyModel();
				$count = 0;
				if (is_array($body))
				{
					$bodyReplaced = array();
					foreach ($body as $key => $value)
					{
						$count1 = 0;
						$count2 = 0;
						$key = is_string($key) ? str_replace($search, $replace, $key, $count1) : $key;
						$value = is_string($value) ? str_replace($search, $replace, $value, $count2) : $value;
						$bodyReplaced[$key] = $value;
						if (!$count && ($count1 || $count2))
						{
							$count = 1;
						}
					
					}
				
				}
				else
				{
					$bodyReplaced = str_replace($search, $replace, $body, $count);
				}
				
				if ($count)
				{
					$this->_originalHeaders[$header->getFieldName()] = $body;
					$header->setFieldBodyModel($bodyReplaced);
				}
			
			}
			
			$children = (array) $message->getChildren();
			foreach ($children as $child)
			{
				list($type) = sscanf($child->getContentType(), '%[^/]/%s');
				if ('text' == $type)
				{
					$body = $child->getBody();
					$bodyReplaced = str_replace($search, $replace, $body);
					if ($body != $bodyReplaced)
					{
						$child->setBody($bodyReplaced);
						$this->_originalChildBodies[$child->getId()] = $body;
					}
				
				}
			
			}
			
			$this->_lastMessage = $message;
		}
	
	}
	
	
	public function getReplacementsFor($address)
	{
		if ($this->_replacements instanceof Swift_Plugins_Decorator_Replacements)
		{
			return $this->_replacements->getReplacementsFor($address);
		}
		
		return isset($this->_replacements[$address]) ? $this->_replacements[$address] : null;
	}
	
	
	public function sendPerformed(Swift_Events_SendEvent $evt)
	{
		$this->_restoreMessage($evt->getMessage());
	}
	
	
	private function _restoreMessage(Swift_Mime_Message $message)
	{
		if ($this->_lastMessage === $message)
		{
			if (isset($this->_originalBody))
			{
				$message->setBody($this->_originalBody);
				$this->_originalBody = null;
			}
			
			if (!empty($this->_originalHeaders))
			{
				foreach ($message->getHeaders()->getAll() as $header)
				{
					if (array_key_exists($header->getFieldName(), $this->_originalHeaders))
					{
						$header->setFieldBodyModel($this->_originalHeaders[$header->getFieldName()]);
					}
				
				}
				
				$this->_originalHeaders = array();
			}
			
			if (!empty($this->_originalChildBodies))
			{
				$children = (array) $message->getChildren();
				foreach ($children as $child)
				{
					$id = $child->getId();
					if (array_key_exists($id, $this->_originalChildBodies))
					{
						$child->setBody($this->_originalChildBodies[$id]);
					}
				
				}
				
				$this->_originalChildBodies = array();
			}
			
			$this->_lastMessage = null;
		}
	
	}

}

/home/locationbo/www/libraries/foxcontact/swiftmailer/classes/Swift/Plugins/DecoratorPlugin.php