$id) {
$id = $uploadedFiles[$i][1];
}
}
$id++;
$filename .= $id . "-" . $userFilename . ".temp";
$fileHook = fopen($filename,"c");
if ( $fileHook==FALSE ) {
$id = -6; //FAILED TO CREATE FILE
goto returnAndExit;
}
$currentFilesize = 0;
while ($currentFilesize < $filesize) {
$addSize = min(1024*16,$filesize-$currentFilesize);
if ( fwrite($fileHook,str_repeat("\0",$addSize))==FALSE ) {
$id = -5; //NOT ENOUGH SPACE
goto returnAndExit;
}
$currentFilesize += $addSize;
}
fclose($fileHook);
goto returnAndExit;
} else {
$chunkSize = isset($_POST["chunksize"]) ? intval($_POST["chunksize"]) : 0;
$chunk = isset($_POST["chunk"]) ? intval($_POST["chunk"]) : -1;
if ($chunk < 0 || $chunkSize < 1 || !isset($_FILES["data"])) {
$id = -3; //INVALID ARGUMENTS
goto returnAndExit;
}
$file = NULL;
for ($i = 0, $im = sizeof($uploadedFiles); $i < $im; $i++) {
if ($uploadedFiles[$i][1] == $id) {
$file = $uploadedFiles[$i];
$userFilename = $uploadedFiles[$i][2];
break;
}
}
if ($userFilename == NULL) {
$id = -2;
goto returnAndExit;
}
$nonTempFilename = $filename . $id . "-" . $userFilename;
$filename .= $id . "-" . $userFilename . ".temp";
if (!file_exists($filename)) {
$id = -4;
goto returnAndExit;
}
$filesize = filesize($filename);
if ($_FILES["data"]["size"]+$chunkSize*$chunk > $filesize) {
$id = -9; //INVALID CHUNK SIZE
goto returnAndExit;
}
$rawData = file_get_contents($_FILES["data"]["tmp_name"]);
if (!isset($rawData)) {
$id = -8; //FAILED TO READ FILE
goto returnAndExit;
}
$fileHook = fopen($filename, "r+");
fseek($fileHook, $chunkSize*$chunk);
if ( fwrite($fileHook,$rawData)==FALSE ) {
$id = -7; //IO ERROR
goto returnAndExit;
}
if ($_FILES["data"]["size"]+$chunkSize*$chunk == $filesize) {
rename($filename,$nonTempFilename);
echo json_encode([
"id" => $id,
"filename" => $id . "-" . $userFilename
]);
exit;
}
}
returnAndExit:
echo json_encode([
"id" => $id
]);
exit;
} elseif ($_SERVER['REQUEST_METHOD'] == "GET") {
?>
File uploader