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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Mail
* @subpackage Transport
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Smtp.php 18989 2009-11-15 13:23:41Z yoshida@zend.co.jp $
*/
/**
* @see Zend_Mime
*/
require_once 'Zend/Mime.php';
/**
* @see Zend_Mail_Protocol_Smtp
*/
require_once 'Zend/Mail/Protocol/Smtp.php';
/**
* @see Zend_Mail_Transport_Abstract
*/
require_once 'Zend/Mail/Transport/Abstract.php';
/**
* SMTP connection object
*
* Loads an instance of Zend_Mail_Protocol_Smtp and forwards smtp transactions
*
* @category Zend
* @package Zend_Mail
* @subpackage Transport
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Mail_Transport_Smtp extends Zend_Mail_Transport_Abstract
{
/**
* EOL character string used by transport
* @var string
* @access public
*/
public $EOL = "\n";
/**
* Remote smtp hostname or i.p.
*
* @var string
*/
protected $_host;
/**
* Port number
*
* @var integer|null
*/
protected $_port;
/**
* Local client hostname or i.p.
*
* @var string
*/
protected $_name = 'localhost';
/**
* Authentication type OPTIONAL
*
* @var string
*/
protected $_auth;
/**
* Config options for authentication
*
* @var array
*/
protected $_config;
/**
* Instance of Zend_Mail_Protocol_Smtp
*
* @var Zend_Mail_Protocol_Smtp
*/
protected $_connection;
/**
* Constructor.
*
* @param string $host OPTIONAL (Default: 127.0.0.1)
* @param array|null $config OPTIONAL (Default: null)
* @return void
*/
public function __construct($host = '127.0.0.1', Array $config = array())
{
if (isset($config['name'])) {
$this->_name = $config['name'];
}
if (isset($config['port'])) {
$this->_port = $config['port'];
}
if (isset($config['auth'])) {
$this->_auth = $config['auth'];
}
$this->_host = $host;
$this->_config = $config;
}
/**
* Class destructor to ensure all open connections are closed
*
* @return void
*/
public function __destruct()
{
if ($this->_connection instanceof Zend_Mail_Protocol_Smtp) {
try {
$this->_connection->quit();
} catch (Zend_Mail_Protocol_Exception $e) {
// ignore
}
$this->_connection->disconnect();
}
}
/**
* Sets the connection protocol instance
*
* @param Zend_Mail_Protocol_Abstract $client
*
* @return void
*/
public function setConnection(Zend_Mail_Protocol_Abstract $connection)
{
$this->_connection = $connection;
}
/**
* Gets the connection protocol instance
*
* @return Zend_Mail_Protocol|null
*/
public function getConnection()
{
return $this->_connection;
}
/**
* Send an email via the SMTP connection protocol
*
* The connection via the protocol adapter is made just-in-time to allow a
* developer to add a custom adapter if required before mail is sent.
*
* @return void
*/
public function _sendMail()
{
// If sending multiple messages per session use existing adapter
if (!($this->_connection instanceof Zend_Mail_Protocol_Smtp)) {
// Check if authentication is required and determine required class
$connectionClass = 'Zend_Mail_Protocol_Smtp';
if ($this->_auth) {
$connectionClass .= '_Auth_' . ucwords($this->_auth);
}
if (!class_exists($connectionClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($connectionClass);
}
$this->setConnection(new $connectionClass($this->_host, $this->_port, $this->_config));
$this->_connection->connect();
$this->_connection->helo($this->_name);
} else {
// Reset connection to ensure reliable transaction
$this->_connection->rset();
}
// Set sender email address
$this->_connection->mail($this->_mail->getFrom());
// Set recipient forward paths
foreach ($this->_mail->getRecipients() as $recipient) {
$this->_connection->rcpt($recipient);
}
// Issue DATA command to client
$this->_connection->data($this->header . Zend_Mime::LINEEND . $this->body);
}
/**
* Format and fix headers
*
* Some SMTP servers do not strip BCC headers. Most clients do it themselves as do we.
*
* @access protected
* @param array $headers
* @return void
* @throws Zend_Transport_Exception
*/
protected function _prepareHeaders($headers)
{
if (!$this->_mail) {
/**
* @see Zend_Mail_Transport_Exception
*/
require_once 'Zend/Mail/Transport/Exception.php';
throw new Zend_Mail_Transport_Exception('_prepareHeaders requires a registered Zend_Mail object');
}
unset($headers['Bcc']);
// Prepare headers
parent::_prepareHeaders($headers);
}
}
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