Revision control

Copy as Markdown

Other Tools

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Error url MUST be formatted like this:
// about:blocked?e=error_code&u=url
// Note that this file uses document.documentURI to get
// the URL (with the format from above). This is because
// document.location.href gets the current URI off the docshell,
// which is the URL displayed in the location bar, i.e.
// the URI that the user attempted to load.
// initializing the page in this way, window.onload won't work here
initPage();
function getErrorCode()
{
var url = document.documentURI;
var error = url.indexOf("e=");
var duffUrl = url.indexOf("&u=");
return url.slice(error + 2, duffUrl);
}
function getURL()
{
var url = document.documentURI;
var match = url.match(/&u=([^&]+)&/);
// match == null if not found; if so, return an empty string
// instead of what would turn out to be portions of the URI
if (!match)
return "";
url = decodeURIComponent(match[1]);
// If this is a view-source page, then get then real URI of the page
if (url.startsWith("view-source:"))
url = url.slice(12);
return url;
}
/**
* Check whether this warning page should be overridable or whether
* the "ignore warning" button should be hidden.
*/
function getOverride()
{
var url = document.documentURI;
return /&o=1&/.test(url);
}
/**
* Attempt to get the hostname via document.location. Fail back
* to getURL so that we always return something meaningful.
*/
function getHostString()
{
try {
return document.location.hostname;
} catch (e) {
return getURL();
}
}
function deleteElement(element) {
var el = document.getElementById(element);
if (el)
el.remove();
}
function initPage()
{
// Handoff to the appropriate initializer, based on error code
var error = "";
switch (getErrorCode()) {
case "malwareBlocked":
error = "malware";
break;
case "deceptiveBlocked":
error = "phishing";
break;
case "unwantedBlocked":
error = "unwanted";
break;
case "harmfulBlocked":
error = "harmful";
break;
default:
return;
}
if (error != "malware") {
deleteElement("errorTitleText_malware");
deleteElement("errorShortDescText_malware");
deleteElement("errorLongDescText_malware");
}
if (error != "phishing") {
deleteElement("errorTitleText_phishing");
deleteElement("errorShortDescText_phishing");
deleteElement("errorLongDescText_phishing");
}
if (error != "unwanted") {
deleteElement("errorTitleText_unwanted");
deleteElement("errorShortDescText_unwanted");
deleteElement("errorLongDescText_unwanted");
}
if (error != "harmful") {
deleteElement("errorTitleText_harmful");
deleteElement("errorShortDescText_harmful");
deleteElement("errorLongDescText_harmful");
}
// Set sitename
document.getElementById(error + "_sitename").textContent = getHostString();
document.title = document.getElementById("errorTitleText_" + error)
.innerHTML;
if (!getOverride())
deleteElement("ignoreWarningButton");
}