Your IP : 216.73.216.81
<?php
declare(strict_types=1);
namespace DG\BypassFinals;
/**
* Wrapper using native functions for working with files and directories.
* @internal
*/
final class NativeWrapper
{
public const Protocol = 'file';
/** @var string */
public $outerWrapper = MutatingWrapper::class;
/** @var resource|null */
public $context;
/** @var resource|null */
public $handle;
public function dir_closedir(): void
{
closedir($this->handle);
}
public function dir_opendir(string $path, int $options): bool
{
$this->handle = $this->context
? $this->native('opendir', $path, $this->context)
: $this->native('opendir', $path);
return (bool) $this->handle;
}
public function dir_readdir()
{
return readdir($this->handle);
}
public function dir_rewinddir(): bool
{
rewinddir($this->handle);
return true;
}
public function mkdir(string $path, int $mode, int $options): bool
{
$recursive = (bool) ($options & STREAM_MKDIR_RECURSIVE);
return $this->context
? $this->native('mkdir', $path, $mode, $recursive, $this->context)
: $this->native('mkdir', $path, $mode, $recursive);
}
public function rename(string $pathFrom, string $pathTo): bool
{
return $this->context
? $this->native('rename', $pathFrom, $pathTo, $this->context)
: $this->native('rename', $pathFrom, $pathTo);
}
public function rmdir(string $path, int $options): bool
{
return $this->context
? $this->native('rmdir', $path, $this->context)
: $this->native('rmdir', $path);
}
public function stream_cast(int $castAs)
{
return $this->handle;
}
public function stream_close(): void
{
fclose($this->handle);
}
public function stream_eof(): bool
{
return feof($this->handle);
}
public function stream_flush(): bool
{
return fflush($this->handle);
}
public function stream_lock(int $operation): bool
{
return $operation
? flock($this->handle, $operation)
: true;
}
public function stream_metadata(string $path, int $option, $value): bool
{
switch ($option) {
case STREAM_META_TOUCH:
return $this->native('touch', $path, $value[0] ?? time(), $value[1] ?? time());
case STREAM_META_OWNER_NAME:
case STREAM_META_OWNER:
return $this->native('chown', $path, $value);
case STREAM_META_GROUP_NAME:
case STREAM_META_GROUP:
return $this->native('chgrp', $path, $value);
case STREAM_META_ACCESS:
return $this->native('chmod', $path, $value);
default:
return false;
}
}
public function stream_open(string $path, string $mode, int $options = 0, ?string &$openedPath = null): bool
{
$usePath = (bool) ($options & STREAM_USE_PATH);
$this->handle = $this->context
? $this->native('fopen', $path, $mode, $usePath, $this->context)
: $this->native('fopen', $path, $mode, $usePath);
return (bool) $this->handle;
}
public function stream_read(int $count)
{
return fread($this->handle, $count);
}
public function stream_seek(int $offset, int $whence = SEEK_SET): bool
{
return fseek($this->handle, $offset, $whence) === 0;
}
public function stream_set_option(int $option, int $arg1, ?int $arg2)
{
switch ($option) {
case STREAM_OPTION_BLOCKING:
return stream_set_blocking($this->handle, (bool) $arg1);
case STREAM_OPTION_READ_BUFFER:
return stream_set_read_buffer($this->handle, $arg2);
case STREAM_OPTION_WRITE_BUFFER:
return stream_set_write_buffer($this->handle, $arg2);
case STREAM_OPTION_READ_TIMEOUT:
return stream_set_timeout($this->handle, $arg1, $arg2);
default:
return false;
}
}
public function stream_stat()
{
return fstat($this->handle);
}
public function stream_tell()
{
return ftell($this->handle);
}
public function stream_truncate(int $newSize): bool
{
return ftruncate($this->handle, $newSize);
}
public function stream_write(string $data)
{
return fwrite($this->handle, $data);
}
public function unlink(string $path): bool
{
return $this->native('unlink', $path);
}
public function url_stat(string $path, int $flags)
{
if ($flags & STREAM_URL_STAT_QUIET) {
set_error_handler(function () {
return true;
});
}
try {
$func = $flags & STREAM_URL_STAT_LINK ? 'lstat' : 'stat';
return $this->native($func, $path);
} catch (\RuntimeException $e) {
// SplFileInfo::isFile throws exception
return false;
} finally {
if ($flags & STREAM_URL_STAT_QUIET) {
restore_error_handler();
}
}
}
private function native(string $func)
{
stream_wrapper_restore(self::Protocol);
try {
return $func(...array_slice(func_get_args(), 1));
} finally {
stream_wrapper_unregister(self::Protocol);
stream_wrapper_register(self::Protocol, $this->outerWrapper);
}
}
}