admin/registration/check.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Endpoint to get the Moodle version
  19  *
  20  * Moodle linkchecker will check this endpoint when it cannot get the Moodle version otherwise.
  21  *
  22  * @package    core
  23  * @copyright  2022 Victor Deniz <victor@moodle.com>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require_once(__DIR__ . '/../../config.php');
  28 require_once($CFG->libdir . '/filelib.php');
  29
  30 // Get public key.
  31 $key = download_file_content(HUB_STATSPUBLICKEY);
  32 // Check $key is a valid public key.
  33 $publickey = openssl_pkey_get_public($key);
  34 if ($publickey !== false) {
  35     $publickeystr = openssl_pkey_get_details($publickey)['key'];
  36 } else {
  37     die('Error getting a valid public key');
  38 }
  39
  40 // Encrypt data.
  41 $message = $CFG->release;
  42 $success = openssl_public_encrypt(utf8_encode($message), $encrypteddata, $publickeystr);
  43
  44 if ($success) {
  45     echo base64_encode($encrypteddata);
  46 } else {
  47     die ('Error encrypting the data');
  48 }