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