EOT;
}
function js_upload_post_init(&$a,&$b) {
// list of valid extensions, ex. array("jpeg", "xml", "bmp")
$allowedExtensions = ["jpeg","gif","png","jpg"];
// max file size in bytes
$sizeLimit = Config::get('system','maximagesize'); //6 * 1024 * 1024;
$uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
$result = $uploader->handleUpload();
// to pass data through iframe you will need to encode all html tags
$a->data['upload_jsonresponse'] = htmlspecialchars(json_encode($result), ENT_NOQUOTES);
if(isset($result['error'])) {
Logger::log('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , Logger::DEBUG);
echo json_encode($result);
exit();
}
$a->data['upload_result'] = $result;
}
function js_upload_post_file(&$a,&$b) {
$result = $a->data['upload_result'];
$b['src'] = $result['path'];
$b['filename'] = $result['filename'];
$b['filesize'] = filesize($b['src']);
}
function js_upload_post_end(&$a,&$b) {
Logger::log('upload_post_end');
if(!empty($a->data['upload_jsonresponse'])) {
echo $a->data['upload_jsonresponse'];
exit();
}
}
/**
* Handle file uploads via XMLHttpRequest
*/
class qqUploadedFileXhr {
private $pathnm = '';
/**
* Save the file in the temp dir.
* @return boolean TRUE on success
*/
function save() {
$input = fopen("php://input", "r");
$upload_dir = Config::get('system','tempdir');
if(! $upload_dir)
$upload_dir = sys_get_temp_dir();
$this->pathnm = tempnam($upload_dir,'frn');
$temp = fopen($this->pathnm,"w");
$realSize = stream_copy_to_stream($input, $temp);
fclose($input);
fclose($temp);
if ($realSize != $this->getSize()){
return false;
}
return true;
}
function getPath() {
return $this->pathnm;
}
function getName() {
return $_GET['qqfile'];
}
function getSize() {
if (isset($_SERVER["CONTENT_LENGTH"])){
return (int)$_SERVER["CONTENT_LENGTH"];
} else {
throw new Exception('Getting content length is not supported.');
}
}
}
/**
* Handle file uploads via regular form post (uses the $_FILES array)
*/
class qqUploadedFileForm {
/**
* Save the file to the specified path
* @return boolean TRUE on success
*/
function save() {
return true;
}
function getPath() {
return $_FILES['qqfile']['tmp_name'];
}
function getName() {
return $_FILES['qqfile']['name'];
}
function getSize() {
return $_FILES['qqfile']['size'];
}
}
class qqFileUploader {
private $allowedExtensions = [];
private $sizeLimit = 10485760;
private $file;
function __construct(array $allowedExtensions = [], $sizeLimit = 10485760){
$allowedExtensions = array_map("strtolower", $allowedExtensions);
$this->allowedExtensions = $allowedExtensions;
$this->sizeLimit = $sizeLimit;
if (isset($_GET['qqfile'])) {
$this->file = new qqUploadedFileXhr();
} elseif (isset($_FILES['qqfile'])) {
$this->file = new qqUploadedFileForm();
} else {
$this->file = false;
}
}
private function toBytes($str){
$val = trim($str);
$last = strtolower($str[strlen($str)-1]);
switch($last) {
case 'g': $val *= 1024;
case 'm': $val *= 1024;
case 'k': $val *= 1024;
}
return $val;
}
/**
* Returns array('success'=>true) or array('error'=>'error message')
*/
function handleUpload(){
if (!$this->file){
return ['error' => L10n::t('No files were uploaded.')];
}
$size = $this->file->getSize();
if ($size == 0) {
return ['error' => L10n::t('Uploaded file is empty')];
}
// if ($size > $this->sizeLimit) {
// return array('error' => L10n::t('Uploaded file is too large'));
// }
$maximagesize = Config::get('system','maximagesize');
if(($maximagesize) && ($size > $maximagesize)) {
return ['error' => L10n::t('Image exceeds size limit of ') . $maximagesize ];
}
$pathinfo = pathinfo($this->file->getName());
$filename = $pathinfo['filename'];
if (!isset($pathinfo['extension'])) {
Logger::warning('extension isn\'t set.', ['filename' => $filename]);
}
$ext = defaults($pathinfo, 'extension', '');
if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
$these = implode(', ', $this->allowedExtensions);
return ['error' => L10n::t('File has an invalid extension, it should be one of ') . $these . '.'];
}
if ($this->file->save()){
return [
'success'=>true,
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
];
} else {
return [
'error'=> L10n::t('Upload was cancelled, or server error encountered'),
'path' => $this->file->getPath(),
'filename' => $filename . '.' . $ext
];
}
}
}