MyNSLC Age Saver

Saves date of birth information to bypass the age verification page on the Cannabis MyNSLC site.
Від 15.09.2022. Дивіться остання версія.
Задати запитання, залишити відгук, або повідомити про скрипт.
Wrap lines
// ==UserScript==
// @name         MyNSLC Age Saver
// @namespace    https://github.com/Fawrsk/MyNSLC-Age-Saver
// @version      1.0.2
// @description  Saves date of birth information to bypass the age verification page on the Cannabis MyNSLC site.
// @author       Fawrsk
// @match        https://cannabis.mynslc.com/skins/Cannabis/pages/VerifyAge.aspx
// @grant        none
// @license      MIT
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    /**
     * The key used for localStorage.
     */
    const STORAGE_ITEM_KEY = 'faw_dob';

    /**
     * How long the script should wait for the UI to update after clicking the
     * verify button.
     */
    const ERROR_VISIBILITY_TIMEOUT = 500;

    /**
     * Throws an error with the message provided.
     * @param {string} msg
     */
    function error(msg) {
        if (typeof msg !== 'string') {
            msg = 'Unknown error.';
        }

        throw new Error(msg);
    }

    /**
     * Returns an element by a query selector or can throw an error if nothing
     * is found.
     * @param {string} selector
     * @param {boolean} [err=true]
     * @returns {Element}
     */
    function $(selector, err) {
        if (err === undefined) {
            err = true;
        }

    	const element = document.querySelector(selector);
    	if (err && element === null) {
            error('Element "' + selector + '" not found.');
    	}

    	return element;
    }

    /**
     * Event handler for when the verify age button is clicked.
     */
    function onBtnVerifyAgeClick() {
        setTimeout(onErrorVisibilityTimeout, ERROR_VISIBILITY_TIMEOUT);
    }

    /**
     * Event handler for the error visibility timeout.
     */
    function onErrorVisibilityTimeout() {
        if (!$('.error-message.u-hide', false)) {
            // Error message is visible.
            return;
        }

       const dobDay = $('#dobDay').value;
       const dobMonth = $('#dobMonth').value;
       const dobYear = $('#dobYear').value;
       localStorage.setItem(STORAGE_ITEM_KEY, `${dobDay}-${dobMonth}-${dobYear}`);
    }

    /**
     * Main procedure.
     */
    function main() {
        const dob = localStorage.getItem(STORAGE_ITEM_KEY);
        if (typeof dob === 'string') {
            // Item exists.
            let dobSplit = dob.split('-');
            if (dobSplit.length !== 3) {
                error('Invalid date format.');
            }

            $('#dobDay').value = dobSplit[0];
            $('#dobMonth').value = dobSplit[1];
            $('#dobYear').value = dobSplit[1];
            $('#btnVerifyAge').click();
        }
        else {
            // Item doesn't exist.
            $('#btnVerifyAge').addEventListener('click', onBtnVerifyAgeClick);
        }
    }

    main();
})();