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<?php
/**
* @package Joomla.Administrator
* @subpackage com_media
*
* @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;
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');
/**
* File Media Controller
*
* @since 1.6
*/
class MediaControllerFile extends JControllerLegacy
{
/**
* 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;
}
}
}