/**
* Check if a given file size (in bytes) will run over a user's quota limit on Alfresco.
*
* @uses $USER
* @param unknown_type $size
* @param unknown_type $user
* @return bool True if the size will not run over the user's quota, False otherwise.
*/
function elis_files_quota_check($filesize, $user = null) {
global $USER;
if ($user == null) {
$user = $USER;
}
if (($userdata = elis_files_quota_info($user->username)) === false) {
return false;
}
// If the user has no quota set or the filesize will not run over their current quota, return true.
return ($userdata->quota == -1 || ($userdata->current + $filesize <= $userdata->quota));
}
/**
* Returns array('success'=>true) or array('error'=>'error message')
*/
function handleUpload($uploadDirectory, $replaceOldFile = FALSE){
global $USER;
if (!is_writable($uploadDirectory)){
return array('error' => "Server error. Upload directory isn't writable.");
}
if (!$this->file){
return array('error' => 'No files were uploaded.');
}
$size = $this->file->getSize();
if ($size == 0) {
return array('error' => 'File is empty');
}
if ($size > $this->sizeLimit) {
return array('error' => 'File is too large');
}
$pathinfo = pathinfo($this->file->getName());
$filename = $pathinfo['filename'];
// logic for handling file extensions
if (isset($pathinfo['extension'])) {
$ext = $pathinfo['extension'];
$filename .= '.'.$ext;
} else {
$ext = NULL;
}
if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
$these = implode(', ', $this->allowedExtensions);
return array('error' => 'File has an invalid extension, it should be one of '. $these . '.');
}
if(!$replaceOldFile){
/// don't overwrite previous files that were uploaded
/// this just handles temporary files - consider forcing uniqueness here in the future?
while (file_exists($uploadDirectory . $filename . '.' . $ext)) {
$filename .= rand(10, 99);
}
}
// make sure we're not going over the user's quota
if (!elis_files_quota_check($size, $USER)) {
if ($quotadata = elis_files_quota_info($USER->username)) {
//specific error message, if possible
$a = new stdClass;
$a->current = round($quotadata->current / 1048576 * 10, 1) / 10 . get_string('sizemb');
$a->max = round($quotadata->quota / 1048576 * 10, 1) / 10 . get_string('sizemb');
return array('error' => get_string('erroruploadquotasize', 'repository_elisfiles', $a));
} else {
//non-specific error message
return array('error' => get_string('erroruploadquota', 'repository_elisfiles'));
}
}
// make sure we're not uploading a duplicate filename
$test = $this->validate_unique_filename($filename);
if ($test !== true) {
return array('error' => $test);
}
if ($this->file->save($uploadDirectory . $filename)) {
return array('success'=>true);
} else {
$config = get_config('elisfiles');
// ELIS-4982 -- If FTP is enabled, check that the port is set correctly
if ($config->file_transfer_method == ELIS_FILES_XFER_FTP) {
// Attempt to make a connection to the FTP server
$uri = parse_url($config->server_host);
if (ftp_connect($uri['host'], $config->ftp_port, 5) === false) {
return array('error' => get_string('errorftpinvalidport', 'repository_elisfiles', $uri['host'].':'.$config->ftp_port));
}
}
// Unknown error occurred
return array('error' => get_string('errorupload', 'repository_elisfiles'));
}
}
