/**
* Verifies that the string is in a proper email address format.
*
* @param string $email String to be verified.
*
* @return boolean True if string has the correct format; false otherwise.
*
* @since 11.1
*/
public static function isEmailAddress($email)
{
// Split the email into a local and domain
$atIndex = strrpos($email, "@");
$domain = substr($email, $atIndex + 1);
$local = substr($email, 0, $atIndex);
// Check Length of domain
$domainLen = strlen($domain);
if ($domainLen < 1 || $domainLen > 255) {
return false;
}
/*
* Check the local address
* We're a bit more conservative about what constitutes a "legal" address, that is, a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-
* The first and last character in local cannot be a period ('.')
* Also, period should not appear 2 or more times consecutively
*/
$allowed = 'a-zA-Z0-9.!#$%&’*+\\/=?^_`{|}~-';
$regex = "/^[{$allowed}][\\.{$allowed}]{0,63}\$/";
if (!preg_match($regex, $local) || substr($local, -1) == '.' || $local[0] == '.' || preg_match('/\\.\\./', $local)) {
return false;
}
// No problem if the domain looks like an IP address, ish
$regex = '/^[0-9\\.]+$/';
if (preg_match($regex, $domain)) {
return true;
}
// Check Lengths
$localLen = strlen($local);
if ($localLen < 1 || $localLen > 64) {
return false;
}
// Check the domain
$domain_array = explode(".", rtrim($domain, '.'));
$regex = '/^[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]+)*$/';
foreach ($domain_array as $domain) {
// Convert domain to punycode
$domain = JStringPunycode::toPunycode($domain);
// Must be something
if (!$domain) {
return false;
}
// Check for invalid characters
if (!preg_match($regex, $domain)) {
return false;
}
// Check for a dash at the beginning of the domain
if (strpos($domain, '-') === 0) {
return false;
}
// Check for a dash at the end of the domain
$length = strlen($domain) - 1;
if (strpos($domain, '-', $length) === $length) {
return false;
}
}
return true;
}
/**
* Helper wrapper method for toPunycode
*
* @param string $utfString The UTF-8 string to transform.
*
* @return string The punycode string.
*
* @see JUserHelper::toPunycode()
* @since 3.4
*/
public function toPunycode($utfString)
{
return JStringPunycode::toPunycode($utfString);
}
/**
* Upload a file
*
* @return void
*
* @since 1.5
*/
public function upload()
{
$params = JComponentHelper::getParams('com_media');
// Check for request forgeries
if (!JSession::checkToken('request')) {
$response = array('status' => '0', 'message' => JText::_('JINVALID_TOKEN'), 'error' => JText::_('JINVALID_TOKEN'));
echo json_encode($response);
return;
}
// Get the user
$user = JFactory::getUser();
JLog::addLogger(array('text_file' => 'upload.error.php'), JLog::ALL, array('upload'));
// Get some data from the request
$file = $this->input->files->get('Filedata', '', 'array');
$folder = $this->input->get('folder', '', 'path');
// Instantiate the media helper
$mediaHelper = new JHelperMedia();
if ($_SERVER['CONTENT_LENGTH'] > $params->get('upload_maxsize', 0) * 1024 * 1024 || $_SERVER['CONTENT_LENGTH'] > $mediaHelper->toBytes(ini_get('upload_max_filesize')) || $_SERVER['CONTENT_LENGTH'] > $mediaHelper->toBytes(ini_get('post_max_size')) || $_SERVER['CONTENT_LENGTH'] > $mediaHelper->toBytes(ini_get('memory_limit'))) {
$response = array('status' => '0', 'message' => JText::_('COM_MEDIA_ERROR_WARNFILETOOLARGE'), 'error' => JText::_('COM_MEDIA_ERROR_WARNFILETOOLARGE'));
echo json_encode($response);
return;
}
// Set FTP credentials, if given
JClientHelper::setCredentialsFromRequest('ftp');
if (isset($file['name'])) {
// Make the filename safe
$file['name'] = JFile::makeSafe($file['name']);
// We need a URL safe name
$fileparts = pathinfo(COM_MEDIA_BASE . '/' . $folder . '/' . $file['name']);
// Transform filename to punycode
$fileparts['filename'] = JStringPunycode::toPunycode($fileparts['filename']);
$tempExt = !empty($fileparts['extension']) ? strtolower($fileparts['extension']) : '';
// Transform filename to punycode, then neglect otherthan non-alphanumeric characters & underscores. Also transform extension to lowercase
$safeFileName = preg_replace(array("/[\\s]/", "/[^a-zA-Z0-9_]/"), array("_", ""), $fileparts['filename']) . '.' . $tempExt;
// Create filepath with safe-filename
$files['final'] = $fileparts['dirname'] . DIRECTORY_SEPARATOR . $safeFileName;
$file['name'] = $safeFileName;
$filepath = JPath::clean($files['final']);
if (!$mediaHelper->canUpload($file, 'com_media')) {
JLog::add('Invalid: ' . $filepath, JLog::INFO, 'upload');
$response = array('status' => '0', 'message' => JText::_('COM_MEDIA_ERROR_UNABLE_TO_UPLOAD_FILE'), 'error' => JText::_('COM_MEDIA_ERROR_UNABLE_TO_UPLOAD_FILE'));
echo json_encode($response);
return;
}
// Trigger the onContentBeforeSave event.
JPluginHelper::importPlugin('content');
$dispatcher = JEventDispatcher::getInstance();
$object_file = new JObject($file);
$object_file->filepath = $filepath;
$result = $dispatcher->trigger('onContentBeforeSave', array('com_media.file', &$object_file, true));
if (in_array(false, $result, true)) {
// There are some errors in the plugins
JLog::add('Errors before save: ' . $object_file->filepath . ' : ' . implode(', ', $object_file->getErrors()), JLog::INFO, 'upload');
$response = array('status' => '0', 'message' => JText::plural('COM_MEDIA_ERROR_BEFORE_SAVE', count($errors = $object_file->getErrors()), implode('<br />', $errors)), 'error' => JText::plural('COM_MEDIA_ERROR_BEFORE_SAVE', count($errors = $object_file->getErrors()), implode('<br />', $errors)));
echo json_encode($response);
return;
}
if (JFile::exists($object_file->filepath)) {
// File exists
JLog::add('File exists: ' . $object_file->filepath . ' by user_id ' . $user->id, JLog::INFO, 'upload');
$response = array('status' => '0', 'message' => JText::_('COM_MEDIA_ERROR_FILE_EXISTS'), 'error' => JText::_('COM_MEDIA_ERROR_FILE_EXISTS'), 'location' => str_replace(JPATH_ROOT, '', $filepath));
echo json_encode($response);
return;
} elseif (!$user->authorise('core.create', 'com_media')) {
// File does not exist and user is not authorised to create
JLog::add('Create not permitted: ' . $object_file->filepath . ' by user_id ' . $user->id, JLog::INFO, 'upload');
$response = array('status' => '0', 'error' => JText::_('COM_MEDIA_ERROR_CREATE_NOT_PERMITTED'), 'message' => JText::_('COM_MEDIA_ERROR_CREATE_NOT_PERMITTED'));
echo json_encode($response);
return;
}
if (!JFile::upload($object_file->tmp_name, $object_file->filepath)) {
// Error in upload
JLog::add('Error on upload: ' . $object_file->filepath, JLog::INFO, 'upload');
$response = array('status' => '0', 'message' => JText::_('COM_MEDIA_ERROR_UNABLE_TO_UPLOAD_FILE'), 'error' => JText::_('COM_MEDIA_ERROR_UNABLE_TO_UPLOAD_FILE'));
echo json_encode($response);
return;
} else {
// Trigger the onContentAfterSave event.
$dispatcher->trigger('onContentAfterSave', array('com_media.file', &$object_file, true));
JLog::add($folder, JLog::INFO, 'upload');
$returnUrl = str_replace(JPATH_ROOT, '', $object_file->filepath);
$response = array('status' => '1', 'message' => JText::sprintf('COM_MEDIA_UPLOAD_COMPLETE', $returnUrl), 'error' => JText::sprintf('COM_MEDIA_UPLOAD_COMPLETE', $returnUrl), 'location' => str_replace('\\', '/', $returnUrl));
echo json_encode($response);
return;
}
} else {
$response = array('status' => '0', 'error' => JText::_('COM_MEDIA_ERROR_BAD_REQUEST'), 'message' => JText::_('COM_MEDIA_ERROR_BAD_REQUEST'));
echo json_encode($response);
return;
}
}
/**
* Tests JStringPunycode::toPunycode
*
* @return void
*
* @since 3.2
*/
public function testToPunycode()
{
$this->assertEquals(JStringPunycode::toPunycode('http://www.джумла-тест.рф'), 'http://www.xn----7sblgc4ag8bhcd.xn--p1ai', 'Tests idna_convert encoding a UTF8 url in Cyrillic');
$this->assertEquals(JStringPunycode::toPunycode('http://au-gré-de-nos-plumes.fr'), 'http://xn--au-gr-de-nos-plumes-fzb.fr', 'Tests idna_convert encoding a UTF8 url in French');
}