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<?php
/**
* @package Joomla.Site
* @subpackage com_mailto
*
* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Mailer Component Controller.
*
* @package Joomla.Site
* @subpackage com_mailto
* @since 1.5
*/
class MailtoController extends JControllerLegacy
{
/**
* Show the form so that the user can send the link to someone.
*
* @return void
*
* @since 1.5
*/
public function mailto()
{
$session = JFactory::getSession();
$session->set('com_mailto.formtime', time());
$this->input->set('view', 'mailto');
$this->display();
}
/**
* Send the message and display a notice
*
* @return void
*
* @since 1.5
*/
public function send()
{
// Check for request forgeries
JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));
$app = JFactory::getApplication();
$session = JFactory::getSession();
$timeout = $session->get('com_mailto.formtime', 0);
if ($timeout == 0 || time() - $timeout < 20)
{
JError::raiseNotice(500, JText::_('COM_MAILTO_EMAIL_NOT_SENT'));
return $this->mailto();
}
$SiteName = $app->get('sitename');
$link = MailtoHelper::validateHash($this->input->get('link', '', 'post'));
// Verify that this is a local link
if (!$link || !JUri::isInternal($link))
{
// Non-local url...
JError::raiseNotice(500, JText::_('COM_MAILTO_EMAIL_NOT_SENT'));
return $this->mailto();
}
// An array of email headers we do not want to allow as input
$headers = array (
'Content-Type:',
'MIME-Version:',
'Content-Transfer-Encoding:',
'bcc:',
'cc:'
);
// An array of the input fields to scan for injected headers
$fields = array(
'mailto',
'sender',
'from',
'subject',
);
/*
* Here is the meat and potatoes of the header injection test. We
* iterate over the array of form input and check for header strings.
* If we find one, send an unauthorized header and die.
*/
foreach ($fields as $field)
{
foreach ($headers as $header)
{
if (strpos($_POST[$field], $header) !== false)
{
JError::raiseError(403, '');
}
}
}
/*
* Free up memory
*/
unset ($headers, $fields);
$email = $this->input->post->getString('mailto', '');
$sender = $this->input->post->getString('sender', '');
$from = $this->input->post->getString('from', '');
$subject_default = JText::sprintf('COM_MAILTO_SENT_BY', $sender);
$subject = $this->input->post->getString('subject', $subject_default);
// Check for a valid to address
$error = false;
if (!$email || !JMailHelper::isEmailAddress($email))
{
$error = JText::sprintf('COM_MAILTO_EMAIL_INVALID', $email);
JError::raiseWarning(0, $error);
}
// Check for a valid from address
if (!$from || !JMailHelper::isEmailAddress($from))
{
$error = JText::sprintf('COM_MAILTO_EMAIL_INVALID', $from);
JError::raiseWarning(0, $error);
}
if ($error)
{
return $this->mailto();
}
// Build the message to send
$msg = JText::_('COM_MAILTO_EMAIL_MSG');
$link = $link;
$body = sprintf($msg, $SiteName, $sender, $from, $link);
// Clean the email data
$subject = JMailHelper::cleanSubject($subject);
$body = JMailHelper::cleanBody($body);
// To send we need to use punycode.
$from = JStringPunycode::emailToPunycode($from);
$from = JMailHelper::cleanAddress($from);
$email = JStringPunycode::emailToPunycode($email);
// Send the email
if (JFactory::getMailer()->sendMail($from, $sender, $email, $subject, $body) !== true)
{
JError::raiseNotice(500, JText::_('COM_MAILTO_EMAIL_NOT_SENT'));
return $this->mailto();
}
$this->input->set('view', 'sent');
$this->display();
}
}