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MyNSLC Age Saver

Saves date of birth information to bypass the age verification page on the Cannabis MyNSLC site.

  1. // ==UserScript==
  2. // @name         MyNSLC Age Saver
  3. // @namespace    https://github.com/Fawrsk/MyNSLC-Age-Saver
  4. // @version      1.0.2
  5. // @description  Saves date of birth information to bypass the age verification page on the Cannabis MyNSLC site.
  6. // @author       Fawrsk
  7. // @match        https://cannabis.mynslc.com/skins/Cannabis/pages/VerifyAge.aspx
  8. // @grant        none
  9. // @license      MIT
  10. // @run-at       document-end
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     'use strict';
  15.  
  16.     /**
  17.      * The key used for localStorage.
  18.      */
  19.     const STORAGE_ITEM_KEY = 'faw_dob';
  20.  
  21.     /**
  22.      * How long the script should wait for the UI to update after clicking the
  23.      * verify button.
  24.      */
  25.     const ERROR_VISIBILITY_TIMEOUT = 500;
  26.  
  27.     /**
  28.      * Throws an error with the message provided.
  29.      * @param {string} msg
  30.      */
  31.     function error(msg) {
  32.         if (typeof msg !== 'string') {
  33.             msg = 'Unknown error.';
  34.         }
  35.  
  36.         throw new Error(msg);
  37.     }
  38.  
  39.     /**
  40.      * Returns an element by a query selector or can throw an error if nothing
  41.      * is found.
  42.      * @param {string} selector
  43.      * @param {boolean} [err=true]
  44.      * @returns {Element}
  45.      */
  46.     function $(selector, err) {
  47.         if (err === undefined) {
  48.             err = true;
  49.         }
  50.  
  51.     	const element = document.querySelector(selector);
  52.     	if (err && element === null) {
  53.             error('Element "' + selector + '" not found.');
  54.     	}
  55.  
  56.     	return element;
  57.     }
  58.  
  59.     /**
  60.      * Event handler for when the verify age button is clicked.
  61.      */
  62.     function onBtnVerifyAgeClick() {
  63.         setTimeout(onErrorVisibilityTimeout, ERROR_VISIBILITY_TIMEOUT);
  64.     }
  65.  
  66.     /**
  67.      * Event handler for the error visibility timeout.
  68.      */
  69.     function onErrorVisibilityTimeout() {
  70.         if (!$('.error-message.u-hide', false)) {
  71.             // Error message is visible.
  72.             return;
  73.         }
  74.  
  75.        const dobDay = $('#dobDay').value;
  76.        const dobMonth = $('#dobMonth').value;
  77.        const dobYear = $('#dobYear').value;
  78.        localStorage.setItem(STORAGE_ITEM_KEY, `${dobDay}-${dobMonth}-${dobYear}`);
  79.     }
  80.  
  81.     /**
  82.      * Main procedure.
  83.      */
  84.     function main() {
  85.         const dob = localStorage.getItem(STORAGE_ITEM_KEY);
  86.         if (typeof dob === 'string') {
  87.             // Item exists.
  88.             let dobSplit = dob.split('-');
  89.             if (dobSplit.length !== 3) {
  90.                 error('Invalid date format.');
  91.             }
  92.  
  93.             $('#dobDay').value = dobSplit[0];
  94.             $('#dobMonth').value = dobSplit[1];
  95.             $('#dobYear').value = dobSplit[1];
  96.             $('#btnVerifyAge').click();
  97.         }
  98.         else {
  99.             // Item doesn't exist.
  100.             $('#btnVerifyAge').addEventListener('click', onBtnVerifyAgeClick);
  101.         }
  102.     }
  103.  
  104.     main();
  105. })();