Subversion Repositories php_clientchallenge

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  1. <?php
  2.  
  3. /*
  4.  * php_clientchallenge
  5.  * Copyright 2021-2022 Daniel Marschall, ViaThinkSoft
  6.  *
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *     http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  */
  19.  
  20. if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
  21.         require_once __DIR__ . '/../vendor/autoload.php';
  22. }
  23.  
  24. require_once __DIR__ . '/../ClientChallenge.class.php';
  25.  
  26. require_once __DIR__ . '/config.inc.php';
  27.  
  28. if (isset($_REQUEST['action']) && ($_REQUEST['action'] === 'add_numbers')) {
  29.  
  30.         // Check request field "vts_validation_result" for valid response of the Challenge
  31.         try {
  32.                 if (!isset($_REQUEST['vts_validation_result'])) throw new \Exception('No challenge response found');
  33.                 $client_response = @json_decode($_REQUEST['vts_validation_result'], true);
  34.                 \ViaThinkSoft\RateLimitingChallenge\ClientChallenge::checkValidation($client_response, MAX_TIME, VTS_CS_SERVER_SECRET);
  35.         } catch (\Exception $e) {
  36.                 $res = array("error" => $e->getMessage());
  37.                 header('Content-Type:application/json');
  38.                 die(json_encode($res));
  39.         }
  40.  
  41.         // Do your stuff here. Example:
  42.         $a = $_REQUEST['a'];
  43.         $b = $_REQUEST['b'];
  44.  
  45.         $res = array("result" => ($a+$b));
  46.  
  47.         header('Content-Type:application/json');
  48.         die(json_encode($res));
  49. }
  50.