https://ulagat.com/wp-content/plugins/fullworks-anti-spam/frontend/js/frontend.js?ver=2.6.3.552

1/*
2 * @copyright (c) 2024.
3 * @author            Alan Fuller (support@fullworks)
4 * @licence           GPL V3 https://www.gnu.org/licenses/gpl-3.0.en.html
5 * @link                  https://fullworks.net
6 *
7 * This file is part of Fullworks Anti Spam.
8 *
9 *     Fullworks Anti Spam is free software: you can redistribute it and/or modify
10 *     it under the terms of the GNU General Public License as published by
11 *     the Free Software Foundation, either version 3 of the License, or
12 *     (at your option) any later version.
13 *
14 *     Fullworks Anti Spam is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 *     You should have received a copy of the GNU General Public License
20 *     along with   Fullworks Anti Spam.  https://www.gnu.org/licenses/gpl-3.0.en.html
21 *
22 *
23 */
24const fas_forms = FullworksAntiSpamFELO.form_selectors;
25let activityTimer;
26let sustainedActivity = false;
27let honeyInputAdded = false;
28
29(function ($) {
30    'use strict';
31
32    // Function to detect if the page was accessed via the back button
33    const isBackAction = () => {
34        return history.state && history.state.isBackAction;
35    };
36
37    // Function to mark that the current state is not a back action
38    const markAsNotBackAction = () => {
39        if (!history.state || !history.state.isBackAction) {
40            history.replaceState({ isBackAction: false }, document.title, location.href);
41        }
42    };
43
44    // Function to mark the state as a back action
45    const markAsBackAction = () => {
46        history.pushState({ isBackAction: true }, document.title, location.href);
47    };
48
49    // Mark the current state as not a back action on page load
50    $(window).on('load', markAsNotBackAction);
51
52    /** anti spam fields */
53    $(function () {
54        const addHoneyInput = () => {
55            if ((sustainedActivity || isBackAction()) && !honeyInputAdded) {
56                $.ajax({
57                    url: FullworksAntiSpamFELO.ajax_url,
58                    type: 'POST',
59                    dataType: 'json',
60                    data: { action: "fwas_get_keys" },
61                    success: function (response) {
62                        const fas_honeyinput = `<input type='hidden' name='${response.name}' value='${response.value}' />`;
63                        $(fas_forms).each(function () {
64                            if (!$(this).find(`input[name='${FullworksAntiSpamFELO.name}']`).length) {
65                                $(this).prepend(fas_honeyinput);
66                            }
67                        });
68                        honeyInputAdded = true;
69                    }
70                });
71            }
72        };
73        const detectActivity = () => {
74            if (!sustainedActivity) {
75                clearTimeout(activityTimer);
76                activityTimer = setTimeout(() => {
77                    sustainedActivity = true;
78                    addHoneyInput();
79                }, 1000); // wait for 1 seconds of sustained activity
80            }
81        };
82        $(document).on('mousemove keypress', detectActivity);
83        // Adding 'focus' event to catch Tab key navigation
84        $(document).on('focus', 'input, select, textarea, button, a', detectActivity);
85        // Mutation observer to ensure the form keeps the honeyinput field
86        const mutationObserver = new MutationObserver(addHoneyInput);
87        mutationObserver.observe(document.body, { childList: true, subtree: true });
88
89        // Mark the current state as a back action before the page unloads
90        window.addEventListener('pagehide', markAsBackAction);
91
92        // Handle page restoration from back/forward cache
93        window.addEventListener('pageshow', function(event) {
94            if (event.persisted) {
95                // Page was restored from bfcache, ensure honeyinput is added
96                addHoneyInput();
97            }
98        });
99    });
100})(jQuery);