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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Represent the url for each method and the encoding of the parameters and response.
 *
 * The code is based on badges/classes/backpack_api_mapping.php by Yuliya Bozhko <yuliya.bozhko@totaralms.com>.
 *
 * @copyright  2020 Tung Thai
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @author     Tung Thai <Tung.ThaiDuc@nashtechglobal.com>
 */

namespace core_badges;

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->libdir . '/filelib.php');

use context_system;
use curl;

/**
 * Represent a single method for the remote api and this class using for Open Badge API v2.1 methods.
 *
 * @package   core_badges
 * @copyright  2020 Tung Thai
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class backpack_api2p1_mapping {

    /** @var string The action of this method. */
    public $action;

    /** @var string The base url of this backpack. */
    private $url;

    /** @var array List of parameters for this method. */
    public $params;

    /** @var boolean This method returns an array of responses. */
    public $multiple;

    /** @var string get or post methods. */
    public $method;

    /** @var boolean json decode the response. */
    public $json;

    /** @var boolean Authentication is required for this request. */
    public $authrequired;

    /** @var boolean Differentiate the function that can be called on a user backpack or a site backpack. */
    private $isuserbackpack;

> /** @var mixed List of parameters for this method. */ /** > protected $postparams; * Create a mapping. > * > /** @var int OpenBadges version 1 or 2. */ * @param string $action The action of this method. > protected $backpackapiversion; * @param string $url The base url of this backpack. >
* @param mixed $postparams List of parameters for this method. * @param boolean $multiple This method returns an array of responses. * @param string $method get or post methods. * @param boolean $json json decode the response. * @param boolean $authrequired Authentication is required for this request. * @param boolean $isuserbackpack user backpack or a site backpack. * @param integer $backpackapiversion OpenBadges version 1 or 2. */ public function __construct($action, $url, $postparams, $multiple, $method, $json, $authrequired, $isuserbackpack, $backpackapiversion) { $this->action = $action; $this->url = $url; $this->postparams = $postparams; $this->multiple = $multiple; $this->method = $method; $this->json = $json; $this->authrequired = $authrequired; $this->isuserbackpack = $isuserbackpack; $this->backpackapiversion = $backpackapiversion; } /** * Does the action match this mapping? * * @param string $action The action. * @return boolean */ public function is_match($action) { return $this->action == $action; } /** * Parse the method url and insert parameters. * * @param string $apiurl The raw apiurl. * @return string */ private function get_url($apiurl) { $urlscheme = parse_url($apiurl, PHP_URL_SCHEME); $urlhost = parse_url($apiurl, PHP_URL_HOST); $url = $this->url; $url = str_replace('[SCHEME]', $urlscheme, $url); $url = str_replace('[HOST]', $urlhost, $url); $url = str_replace('[URL]', $apiurl, $url); return $url; } /** * Standard options used for all curl requests. * * @return array */ private function get_curl_options() { return array( 'FRESH_CONNECT' => true, 'RETURNTRANSFER' => true, 'FORBID_REUSE' => true, 'HEADER' => 0, 'CONNECTTIMEOUT' => 3, 'CONNECTTIMEOUT' => 3, // Follow redirects with the same type of request when sent 301, or 302 redirects. 'CURLOPT_POSTREDIR' => 3, ); } /** * Make an api request and parse the response. * * @param string $apiurl Raw request url. * @param string $tokenkey to verify authorization. * @param array $post request method. * @return bool|mixed */ public function request($apiurl, $tokenkey, $post = []) { $curl = new curl(); $url = $this->get_url($apiurl); if ($tokenkey) { $curl->setHeader('Authorization: Bearer ' . $tokenkey); } if ($this->json) { $curl->setHeader(array('Content-type: application/json')); if ($this->method == 'post') { $post = json_encode($post); } } $curl->setHeader(array('Accept: application/json', 'Expect:')); $options = $this->get_curl_options(); if ($this->method == 'get') { $response = $curl->get($url, $post, $options); } else if ($this->method == 'post') { $response = $curl->post($url, $post, $options); } $response = json_decode($response); if (isset($response->result)) { $response = $response->result; } return $response; } }