| private checkChunkedFile ( string $tmpname, string $chunk, string $cid, string $tempDir, null $volume = null ) : array | ||
| $tmpname | string | uploaded temporary file path |
| $chunk | string | uploaded chunk file name |
| $cid | string | uploaded chunked file id |
| $tempDir | string | temporary dirctroy path |
| $volume | null | |
| return | array | or (empty, empty) |
private function checkChunkedFile($tmpname, $chunk, $cid, $tempDir, $volume = null)
{
if (preg_match('/^(.+)(\\.\\d+_(\\d+))\\.part$/s', $chunk, $m)) {
$fname = $m[1];
$encname = md5($cid . '_' . $fname);
$base = $tempDir . DIRECTORY_SEPARATOR . 'ELF' . $encname;
$clast = intval($m[3]);
if (is_null($tmpname)) {
ignore_user_abort(true);
sleep(10);
// wait 10 sec
// chunked file upload fail
foreach (glob($base . '*') as $cf) {
unlink($cf);
}
ignore_user_abort(false);
return;
}
$range = isset($_POST['range']) ? trim($_POST['range']) : '';
if ($range && preg_match('/^(\\d+),(\\d+),(\\d+)$/', $range, $ranges)) {
$start = $ranges[1];
$len = $ranges[2];
$size = $ranges[3];
$tmp = $base . '.part';
$csize = filesize($tmpname);
$tmpExists = is_file($tmp);
if (!$tmpExists) {
// check upload max size
$uploadMaxSize = $volume->getUploadMaxSize();
if ($uploadMaxSize > 0 && $size > $uploadMaxSize) {
return array(self::ERROR_UPLOAD_FILE_SIZE, false);
}
// make temp file
$ok = false;
if ($fp = fopen($tmp, 'wb')) {
flock($fp, LOCK_EX);
$ok = ftruncate($fp, $size);
flock($fp, LOCK_UN);
fclose($fp);
touch($base);
}
if (!$ok) {
unlink($tmp);
return array(self::ERROR_UPLOAD_TEMP, false);
}
} else {
// wait until makeing temp file (for anothor session)
$cnt = 1200;
// Time limit 120 sec
while (!is_file($base) && --$cnt) {
usleep(100000);
// wait 100ms
}
if (!$cnt) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
}
// check size info
if ($len != $csize || $start + $len > $size || $tmpExists && $size != filesize($tmp)) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
// write chunk data
$writelen = 0;
$src = fopen($tmpname, 'rb');
$fp = fopen($tmp, 'cb');
fseek($fp, $start);
$writelen = stream_copy_to_stream($src, $fp, $len);
fclose($fp);
fclose($src);
if ($writelen != $len) {
return array(self::ERROR_UPLOAD_TEMP, false);
}
// write counts
file_put_contents($base, "", FILE_APPEND | LOCK_EX);
if (filesize($base) >= $clast + 1) {
// Completion
unlink($base);
return array($tmp, $fname);
}
} else {
// old way
$part = $base . $m[2];
if (move_uploaded_file($tmpname, $part)) {
chmod($part, 0600);
if ($clast < count(glob($base . '*'))) {
$parts = array();
for ($i = 0; $i <= $clast; $i++) {
$name = $base . '.' . $i . '_' . $clast;
if (is_readable($name)) {
$parts[] = $name;
} else {
$parts = null;
break;
}
}
if ($parts) {
if (!is_file($base)) {
touch($base);
if ($resfile = tempnam($tempDir, 'ELF')) {
$target = fopen($resfile, 'wb');
foreach ($parts as $f) {
$fp = fopen($f, 'rb');
while (!feof($fp)) {
fwrite($target, fread($fp, 8192));
}
fclose($fp);
unlink($f);
}
fclose($target);
unlink($base);
return array($resfile, $fname);
}
unlink($base);
}
}
}
}
}
}
return array('', '');
}