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/* SPDX-License-Identifier: CC0-1.0
*
* Code to run Hacktcha on Google forms.
*
* Copyright (C) 2022 Wojtek Kosior
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the CC0 1.0 Universal License as published by
* the Creative Commons Corporation.
*
* This program 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
* CC0 1.0 Universal License for more details.
*/
"use strict";
(async () => {
const recaptcha_div = document.getElementById("recaptcha");
if (recaptcha_div === null)
return;
recaptcha_div.style.display = "block";
const site_key = recaptcha_div.getAttribute("data-sitekey");
const token_field = document.createElement("textarea");
token_field.name = "g-recaptcha-response";
token_field.style.display = "none";
recaptcha_div.before(token_field);
let authenticated = false;
/* Function called from google_forms.js. */
window.hacktcha_completed = function() {
return authenticated;
}
const submit_buttons = [...document.querySelectorAll('[jsname=M2UYVd]')];
for (const button of submit_buttons) {
button._color_orig = getComputedStyle(button)["background-color"];
button.style.backgroundColor = "lightgray";
}
for await (const token of HCHA.run(recaptcha_div, site_key)) {
if (token === null) {
authenticated = false;
for (const button of submit_buttons)
button.style.backgroundColor = "lightgray";
} else {
authenticated = true;
for (const button of submit_buttons)
button.style.backgroundColor = button._color_orig;
token_field.value = token;
}
}
})();
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