/**
* Securely manage all the unzipping process of an uploaded document
*
* @author Christophe Gesch� <*****@*****.**>
*
* @param array $uploadedFile - follows the $_FILES Structure
* @param string $uploadPath - destination of the upload.
* This path is to append to $baseWorkDir
* @param string $baseWorkDir - base working directory of the module
* @param int $maxFilledSpace - amount of bytes to not exceed in the base
* working directory
* @param string $allowPHP - if set to true, then there is no security check for .php files
*
* @return boolean true if it succeeds false otherwise
*/
function treat_secure_uploaded_file_unzip($uploadedFile, $uploadPath, $baseWorkDir, $maxFilledSpace, $allowPHP = false)
{
$uploadedFileName = $uploadedFile['tmp_name'];
return treat_secure_file_unzip($uploadedFileName, $uploadPath, $baseWorkDir, $maxFilledSpace, $allowPHP);
}
/**
* Unzip the module package
* @param string $packageFileName
* @return string module path
* @todo use this function in get_and_unzip_uploaded_package()
* @todo remove the need of the Backlog and use Exceptions instead
*/
function unzip_package($packageFileName)
{
$backlog_message = array();
//1- Unzip folder in a new repository in claroline/module
require_once dirname(__FILE__) . '/../thirdparty/pclzip/pclzip.lib.php';
if (!function_exists('gzopen')) {
$backlog_message[] = get_lang('Error : no zlib extension found');
return claro_failure::set_failure($backlog_message);
}
//unzip files
$moduleRepositorySys = get_path('rootSys') . 'module/';
//create temp dir for upload
claro_mkdir($moduleRepositorySys, CLARO_FILE_PERMISSIONS, true);
$uploadDirFullPath = claro_mkdir_tmp($moduleRepositorySys);
$uploadDir = str_replace($moduleRepositorySys, '', $uploadDirFullPath);
$modulePath = $moduleRepositorySys . $uploadDir . '/';
if (preg_match('/.zip$/i', $packageFileName) && treat_secure_file_unzip($packageFileName, $uploadDir, $moduleRepositorySys, get_conf('maxFilledSpaceForModule', 10000000), true)) {
$backlog_message[] = get_lang('Files dezipped sucessfully in %path', array('%path' => $modulePath));
} else {
$backlog_message[] = get_lang('Impossible to unzip file');
claro_delete_file($modulePath);
return claro_failure::set_failure($backlog_message);
}
return $modulePath;
}
