feat: paygw_moneta 1.0.0, MONETA.Assistant payment gateway for Moodle

callback.php

@@ -0,0 +1,53 @@
+<?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/>.
+
+/**
+ * Check URL и Pay URL протокола MONETA.Assistant.
+ *
+ * @package    paygw_moneta
+ * @copyright  2026 Moneta Labs {@link https://moneta.ru/}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('NO_MOODLE_COOKIES', true);
+define('NO_DEBUG_DISPLAY', true);
+
+require_once(__DIR__ . '/../../../config.php');
+
+use paygw_moneta\local\callback\CallbackHandler;
+use paygw_moneta\local\ErrorLogLogger;
+use paygw_moneta\local\protocol\CallbackResponse;
+
+$method = $_SERVER['REQUEST_METHOD'] ?? '';
+$fields = match ($method) {
+    'POST' => $_POST,
+    'GET' => $_GET,
+    default => null,
+};
+
+$response = null;
+if ($fields !== null) {
+    try {
+        $response = (new CallbackHandler())->handle($fields);
+    } catch (\Throwable $exception) {
+        (new ErrorLogLogger())->error('Колбэк отклонён: ' . get_class($exception));
+    }
+}
+$response ??= CallbackResponse::fail();
+
+header('Cache-Control: no-store');
+header('Content-Type: ' . $response->contentType);
+echo $response->body;