highRiskErrorPages.js (1517B)
1 /* This Source Code Form is subject to the terms of the Mozilla Public 2 * License, v. 2.0. If a copy of the MPL was not distributed with this 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 4 5 /* eslint-disable no-unsanitized/property */ /* bug 1889942 */ 6 7 /** 8 * Handles the parsing of the ErrorPages URI and then passes them to injectValues 9 */ 10 function parseQuery(queryString) { 11 if (queryString[0] === "?") { 12 queryString = queryString.substr(1); 13 } 14 const query = Object.fromEntries(new URLSearchParams(queryString).entries()); 15 injectValues(query); 16 } 17 18 /** 19 * Updates the HTML elements based on the queryMap 20 */ 21 function injectValues(queryMap) { 22 // Go through each element and inject the values 23 document.title = queryMap.title; 24 document.getElementById("errorTitleText").innerHTML = queryMap.title; 25 document.getElementById("errorShortDesc").innerHTML = queryMap.description; 26 27 // If no image is passed in, remove the element so as not to leave an empty iframe 28 const errorImage = document.getElementById("errorImage"); 29 if (!queryMap.image) { 30 errorImage.remove(); 31 } else { 32 errorImage.src = "resource://android/assets/" + queryMap.image; 33 } 34 } 35 36 document.addEventListener("DOMContentLoaded", function () { 37 if (window.history.length == 1) { 38 document.getElementById("backButton").style.display = "none"; 39 } else { 40 document 41 .getElementById("backButton") 42 .addEventListener("click", () => window.history.back()); 43 } 44 }); 45 46 parseQuery(document.documentURI);