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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s") ." GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
if($_SERVER['REQUEST_METHOD'] =='OPTIONS') {
exit;// finish preflight CORS requests here
}
if( !empty($_REQUEST['debug']) ) {
$random= rand(0,intval($_REQUEST['debug']) );
if($random=== 0 ) {
header("HTTP/1.0 500 Internal Server Error");
exit;
}
}
// header("HTTP/1.0 500 Internal Server Error");
// exit;
// 5 minutes execution time
@set_time_limit(5 * 60);
// Uncomment this one to fake upload time
// usleep(5000);
// Settings
// $targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
$targetDir='uploads'.DIRECTORY_SEPARATOR.'file_material_tmp';
$uploadDir='uploads'.DIRECTORY_SEPARATOR.'file_material';
$cleanupTargetDir= true;// Remove old files
$maxFileAge= 5 * 3600;// Temp file age in seconds
// Create target dir
if(!file_exists($targetDir)) {
@mkdir($targetDir);
}
// Create target dir
if(!file_exists($uploadDir)) {
@mkdir($uploadDir);
}
// Get a file name
if(isset($_REQUEST["name"])) {
$fileName=$_REQUEST["name"];
}elseif(!empty($_FILES)) {
$fileName=$_FILES["file"]["name"];
}else{
$fileName= uniqid("file_");
}
$oldName=$fileName;
$filePath=$targetDir. DIRECTORY_SEPARATOR .$fileName;
// $uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;
// Chunking might be enabled
$chunk= isset($_REQUEST["chunk"]) ?intval($_REQUEST["chunk"]) : 0;
$chunks= isset($_REQUEST["chunks"]) ?intval($_REQUEST["chunks"]) : 1;
// Remove old temp files
if($cleanupTargetDir) {
if(!is_dir($targetDir) || !$dir= opendir($targetDir)) {
die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');
}
while(($file= readdir($dir)) !== false) {
$tmpfilePath=$targetDir. DIRECTORY_SEPARATOR .$file;
// If temp file is current file proceed to the next
if($tmpfilePath=="{$filePath}_{$chunk}.part"||$tmpfilePath=="{$filePath}_{$chunk}.parttmp") {
continue;
}
// Remove temp file if it is older than the max age and is not the current file
if(preg_match('/\.(part|parttmp)$/',$file) && (@filemtime($tmpfilePath) < time() -$maxFileAge)) {
@unlink($tmpfilePath);
}
}
closedir($dir);
}
// Open temp file
if(!$out= @fopen("{$filePath}_{$chunk}.parttmp","wb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
}
if(!empty($_FILES)) {
if($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
}
// Read binary input stream and append it to temp file
if(!$in= @fopen($_FILES["file"]["tmp_name"],"rb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
}
}else{
if(!$in= @fopen("php://input","rb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
}
}
while($buff=fread($in, 4096)) {
fwrite($out,$buff);
}
@fclose($out);
@fclose($in);
rename("{$filePath}_{$chunk}.parttmp","{$filePath}_{$chunk}.part");
$index= 0;
$done= true;
for($index= 0;$index<$chunks;$index++ ) {
if( !file_exists("{$filePath}_{$index}.part") ) {
$done= false;
break;
}
}
if($done) {
$pathInfo=pathinfo($fileName);
$hashStr=substr(md5($pathInfo['basename']),8,16);
$hashName= time() .$hashStr.'.'.$pathInfo['extension'];
$uploadPath=$uploadDir. DIRECTORY_SEPARATOR .$hashName;
if(!$out= @fopen($uploadPath,"wb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
}
if(flock($out, LOCK_EX) ) {
for($index= 0;$index<$chunks;$index++ ) {
if(!$in= @fopen("{$filePath}_{$index}.part","rb")) {
break;
}
while($buff=fread($in, 4096)) {
fwrite($out,$buff);
}
@fclose($in);
@unlink("{$filePath}_{$index}.part");
}
flock($out, LOCK_UN);
}
@fclose($out);
$response= [
'success'=>true,
'oldName'=>$oldName,
'filePaht'=>$uploadPath,
'fileSize'=>$data['size'],
'fileSuffixes'=>$pathInfo['extension'],
'file_id'=>$data['id'],
];
die(json_encode($response));
}