71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
/**
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* @file
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* Unlock protected forms.
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*
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* This works by resetting the form action to the path that It should be as well
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* as injecting the secret form key, only if the current user is verified to be
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* human which is done by waiting for a mousemove, swipe, or tab/enter key to be
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* pressed.
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*/
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(function (Drupal, drupalSettings) {
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"use strict";
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Drupal.antibot = {};
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Drupal.behaviors.antibot = {
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attach: function (context) {
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// Assume the user is not human, despite JS being enabled.
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drupalSettings.antibot.human = false;
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// Wait for a mouse to move, indicating they are human.
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document.body.addEventListener('mousemove', function () {
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// Unlock the forms.
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Drupal.antibot.unlockForms();
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});
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// Wait for a touch move event, indicating that they are human.
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document.body.addEventListener('touchmove', function () {
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// Unlock the forms.
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Drupal.antibot.unlockForms();
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});
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// A tab or enter key pressed can also indicate they are human.
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document.body.addEventListener('keydown', function (e) {
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if ((e.code == 'Tab') || (e.code == 'Enter')) {
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// Unlock the forms.
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Drupal.antibot.unlockForms();
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}
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});
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}
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};
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/**
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* Unlock all locked forms.
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*/
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Drupal.antibot.unlockForms = function () {
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// Act only if we haven't yet verified this user as being human.
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if (!drupalSettings.antibot.human) {
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// Check if there are forms to unlock.
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if (drupalSettings.antibot.forms != undefined) {
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// Iterate all antibot forms that we need to unlock.
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Object.values(drupalSettings.antibot.forms).forEach(function (config) {
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// Switch the action.
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const form = document.getElementById(config.id);
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if (form) {
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form.setAttribute('action', form.getAttribute('data-action'));
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// Set the key.
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const input = form.querySelector('input[name="antibot_key"]');
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if (input) {
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input.value = config.key;
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}
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}
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});
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}
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// Mark this user as being human.
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drupalSettings.antibot.human = true;
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}
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};
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})(Drupal, drupalSettings);
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