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<?php
/**
*
* (c) Copyright Ascensio System SIA 2020
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
namespace OCA\Onlyoffice;
use OCA\Onlyoffice\AppConfig;
/**
* Token generator
*
* @package OCA\Onlyoffice
*/
class Crypt {
/**
* Application configuration
*
* @var AppConfig
*/
private $config;
/**
* @param AppConfig $config - application configutarion
*/
public function __construct(AppConfig $appConfig) {
$this->config = $appConfig;
}
/**
* Generate token for the object
*
* @param array $object - object to signature
*
* @return string
*/
public function GetHash($object) {
return \Firebase\JWT\JWT::encode($object, $this->config->GetSKey());
}
/**
* Create an object from the token
*
* @param string $token - token
*
* @return array
*/
public function ReadHash($token) {
$result = null;
$error = null;
if ($token === null) {
return [$result, "token is empty"];
}
try {
$result = \Firebase\JWT\JWT::decode($token, $this->config->GetSKey(), array("HS256"));
} catch (\UnexpectedValueException $e) {
$error = $e->getMessage();
}
return [$result, $error];
}
}
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