98 lines
2.3 KiB
PHP
98 lines
2.3 KiB
PHP
<?php
|
|
/**
|
|
* PrivateBin
|
|
*
|
|
* a zero-knowledge paste bin
|
|
*
|
|
* @link https://github.com/PrivateBin/PrivateBin
|
|
* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
|
|
* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
|
|
* @version 1.3.4
|
|
*/
|
|
|
|
namespace PrivateBin\Persistence;
|
|
|
|
use Exception;
|
|
use PrivateBin\Json;
|
|
|
|
/**
|
|
* DataStore
|
|
*
|
|
* Handles data storage for Data\Filesystem.
|
|
*/
|
|
class DataStore extends AbstractPersistence
|
|
{
|
|
/**
|
|
* first line in file, to protect its contents
|
|
*
|
|
* @const string
|
|
*/
|
|
const PROTECTION_LINE = '<?php http_response_code(403); /*';
|
|
|
|
/**
|
|
* store the data
|
|
*
|
|
* @access public
|
|
* @static
|
|
* @param string $filename
|
|
* @param array $data
|
|
* @return bool
|
|
*/
|
|
public static function store($filename, $data)
|
|
{
|
|
$path = self::getPath();
|
|
if (strpos($filename, $path) === 0) {
|
|
$filename = substr($filename, strlen($path));
|
|
}
|
|
try {
|
|
self::_store(
|
|
$filename,
|
|
self::PROTECTION_LINE . PHP_EOL . Json::encode($data)
|
|
);
|
|
return true;
|
|
} catch (Exception $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the data
|
|
*
|
|
* @access public
|
|
* @static
|
|
* @param string $filename
|
|
* @return array|false $data
|
|
*/
|
|
public static function get($filename)
|
|
{
|
|
return Json::decode(
|
|
substr(
|
|
file_get_contents($filename),
|
|
strlen(self::PROTECTION_LINE . PHP_EOL)
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* rename a file, prepending the protection line at the beginning
|
|
*
|
|
* @access public
|
|
* @static
|
|
* @param string $srcFile
|
|
* @param string $destFile
|
|
* @param string $prefix (optional)
|
|
* @return void
|
|
*/
|
|
public static function prependRename($srcFile, $destFile, $prefix = '')
|
|
{
|
|
// don't overwrite already converted file
|
|
if (!is_readable($destFile)) {
|
|
$handle = fopen($srcFile, 'r', false, stream_context_create());
|
|
file_put_contents($destFile, $prefix . self::PROTECTION_LINE . PHP_EOL);
|
|
file_put_contents($destFile, $handle, FILE_APPEND);
|
|
fclose($handle);
|
|
}
|
|
unlink($srcFile);
|
|
}
|
|
}
|