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<?php defined('_JEXEC') or die(file_get_contents('index.html'));
/**
* @package Fox Contact for Joomla
* @copyright Copyright (c) 2010 - 2015 Demis Palma. 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 FoxDesignItemEmail extends FoxDesignItem
{
protected function getDefaultValue()
{
$user = JFactory::getUser();
return !$user->guest && $this->get('autofill', true) ? $user->email : null;
}
protected function check($value, &$messages)
{
parent::check($value, $messages);
if (!$this->isValueEmpty($value))
{
if (!self::isValidEmailByRegex($value) || !self::isValidEmailByDns($value) || JMailHelper::cleanAddress($value) === false)
{
$messages[] = $this->getMessage(JText::sprintf('COM_FOXCONTACT_ERR_INVALID_VALUE', $this->get('label')));
}
}
}
private static function isValidEmailByRegex($value)
{
return preg_match('/^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,63}$/', strtolower($value)) === 1;
}
private static function isValidEmailByDns($value)
{
switch (JComponentHelper::getParams('com_foxcontact')->get('use_dns', 'disabled'))
{
case 'dns_check':
return self::isValidEmailByDnsMX($value);
}
return true;
}
private static function isValidEmailByDnsMX($value)
{
$tokens = explode('@', $value);
$domain = array_pop($tokens);
return !empty($domain) ? checkdnsrr($domain, 'MX') : false;
}
}