35 lines
714 B
PHP
35 lines
714 B
PHP
|
<?php
|
||
|
|
||
|
namespace Shaarli;
|
||
|
|
||
|
|
||
|
/**
|
||
|
* URL-safe Base64 operations
|
||
|
*
|
||
|
* @see https://en.wikipedia.org/wiki/Base64#URL_applications
|
||
|
*/
|
||
|
class Base64Url
|
||
|
{
|
||
|
/**
|
||
|
* Base64Url-encodes data
|
||
|
*
|
||
|
* @param string $data Data to encode
|
||
|
*
|
||
|
* @return string Base64Url-encoded data
|
||
|
*/
|
||
|
public static function encode($data) {
|
||
|
return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Decodes Base64Url-encoded data
|
||
|
*
|
||
|
* @param string $data Data to decode
|
||
|
*
|
||
|
* @return string Decoded data
|
||
|
*/
|
||
|
public static function decode($data) {
|
||
|
return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
|
||
|
}
|
||
|
}
|