<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/

/**
* @see Zend_Mail_Transport_Abstract
*/
#require_once 'Zend/Mail/Transport/Abstract.php';


/**
* File transport
*
* Class for saving outgoing emails in filesystem
*
* @category Zend
* @package Zend_Mail
* @subpackage Transport
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Mail_Transport_File extends Zend_Mail_Transport_Abstract
{
/**
* Target directory for saving sent email messages
*
* @var string
*/
protected $_path;

/**
* Callback function generating a file name
*
* @var string|array
*/
protected $_callback;

/**
* Constructor
*
* @param array|Zend_Config $options OPTIONAL (Default: null)
* @return void
*/
public function __construct($options = null)
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
} elseif (!is_array($options)) {
$options = array();
}

// Making sure we have some defaults to work with
if (!isset($options['path'])) {
$options['path'] = sys_get_temp_dir();
}
if (!isset($options['callback'])) {
$options['callback'] = array($this, 'defaultCallback');
}

$this->setOptions($options);
}

/**
* Sets options
*
* @param array $options
* @return void
*/
public function setOptions(array $options)
{
if (isset($options['path']) && is_dir($options['path'])) {
$this->_path = $options['path'];
}
if (isset($options['callback']) && is_callable($options['callback'])) {
$this->_callback = $options['callback'];
}
}

/**
* Saves e-mail message to a file
*
* @return void
* @throws Zend_Mail_Transport_Exception on not writable target directory
* @throws Zend_Mail_Transport_Exception on file_put_contents() failure
*/
protected function _sendMail()
{
$file = $this->_path . DIRECTORY_SEPARATOR . call_user_func($this->_callback, $this);

if (!is_writable(dirname($file))) {
#require_once 'Zend/Mail/Transport/Exception.php';
throw new Zend_Mail_Transport_Exception(sprintf(
'Target directory "%s" does not exist or is not writable',
dirname($file)
));
}

$email = $this->header . $this->EOL . $this->body;

if (!file_put_contents($file, $email)) {
#require_once 'Zend/Mail/Transport/Exception.php';
throw new Zend_Mail_Transport_Exception('Unable to send mail');
}
}

/**
* Default callback for generating filenames
*
* @param Zend_Mail_Transport_File File transport instance
* @return string
*/
public function defaultCallback($transport)
{
return 'ZendMail_' . $_SERVER['REQUEST_TIME'] . '_' . mt_rand() . '.tmp';
}
}