fix: restore useful file

ajax/target_edit.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * ---------------------------------------------------------------------
+ * Formcreator is a plugin which allows creation of custom forms of
+ * easy access.
+ * ---------------------------------------------------------------------
+ * LICENSE
+ *
+ * This file is part of Formcreator.
+ *
+ * Formcreator 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Formcreator 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 Formcreator. If not, see <http://www.gnu.org/licenses/>.
+ * ---------------------------------------------------------------------
+ * @copyright Copyright © 2011 - 2021 Teclib'
+ * @license   http://www.gnu.org/licenses/gpl.txt GPLv3+
+ * @link      https://github.com/pluginsGLPI/formcreator/
+ * @link      https://pluginsglpi.github.io/formcreator/
+ * @link      http://plugins.glpi-project.org/#/plugin/formcreator
+ * ---------------------------------------------------------------------
+ */
+
+include ('../../../inc/includes.php');
+Session::checkRight('entity', UPDATE);
+
+if (!isset($_REQUEST['id'])) {
+    http_response_code(400);
+    exit;
+}
+$itemId = $_REQUEST['id'];
+
+if (!isset($_REQUEST['itemtype'])) {
+    http_response_code(400);
+    exit;
+}
+$itemtype = $_REQUEST['itemtype'];
+if (!in_array($itemtype, PluginFormcreatorForm::getTargetTypes())) {
+    http_response_code(400);
+    exit;
+}
+
+$target = new $itemtype();
+if (!$target->getFromDB($itemId)) {
+    http_response_code(404);
+    exit;
+}
+$target->showForm($itemId);