136 lines
3.7 KiB
PHP
136 lines
3.7 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* The event handler.
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*
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* @package local_webhooks
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* @copyright 2017 "Valentin Popov" <info@valentineus.link>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace local_webhooks;
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defined("MOODLE_INTERNAL") || die();
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require_once($CFG->libdir . "/filelib.php");
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/**
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* Defines how to work with events.
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*
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* @copyright 2017 "Valentin Popov" <info@valentineus.link>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class handler {
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/**
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* External handler.
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*
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* @param object $event
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*/
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public static function events($event) {
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$enable = get_config("local_webhooks", "enable");
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if (boolval($enable)) {
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$data = $event->get_data();
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self::transmitter($data);
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}
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}
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/**
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* Transmitter, processing event and services.
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*
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* @param array $data
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*/
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private static function transmitter($data) {
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global $DB;
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$callbacks = $DB->get_recordset("local_webhooks_service");
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if ($callbacks->valid()) {
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foreach ($callbacks as $callback) {
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self::handler_callback($data, $callback);
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}
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}
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$callbacks->close();
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}
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/**
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* Processes each callback.
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*
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* @param array $data
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* @param object $callback
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*/
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private static function handler_callback($data, $callback) {
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if (boolval($callback->enable)) {
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$events = array();
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if (!empty($callback->events)) {
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$events = unserialize(gzuncompress(base64_decode($callback->events)));
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}
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if (!empty($events[$data["eventname"]])) {
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if (!empty($callback->token)) {
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$data["token"] = $callback->token;
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}
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if (!empty($callback->other)) {
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$data["extra"] = $callback->other;
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}
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self::send($data, $callback);
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}
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}
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}
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/**
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* Sending data to the node.
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*
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* @param array $data
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* @param object $callback
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*/
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private static function send($data, $callback) {
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$curl = new \curl();
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$curl->setHeader(array("Content-Type: application/$callback->type"));
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$curl->post($callback->url, json_encode($data));
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$response = $curl->getResponse();
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self::logger($callback, $response);
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return $response;
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}
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/**
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* Event logging.
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*
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* @param array $response
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* @param object $callback
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*/
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private static function logger($callback, $response) {
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$status = "Error sending request";
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if (!empty($response["HTTP/1.1"])) {
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$status = $response["HTTP/1.1"];
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}
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$event = \local_webhooks\event\response_get::create(
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array(
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"context" => \context_system::instance(0),
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"objectid" => $callback->id,
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"other" => array(
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"status" => $status
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)
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));
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$event->trigger();
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}
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} |