mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-11-11 15:48:51 +01:00
100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
/* global console,exports */
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/* jslint moz: true */
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/* 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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(function(){
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"use strict";
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const lists = require("./lists");
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const preferences = require("sdk/simple-prefs");
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const prefs = preferences.prefs;
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const {parseErrorStack} = require("./callingStack");
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const {URL} = require("sdk/url");
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exports.check = function check({url, errorStack}){
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var match = checkBoth(errorStack, url, prefs.blockMode).match(/^(block|allow|fake|ask)(|Readout|Everything|Context|Input|Internal)$/);
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if (match){
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return {
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type: (match[2] === "Everything" || match[2] === "")?
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["context", "readout", "input"]:
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[match[2].toLowerCase()],
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mode: match[1]
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};
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}
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else {
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return {
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type: ["context", "readout", "input"],
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mode: "block"
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};
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}
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};
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function checkBoth(errorStack, url, blockMode){
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if (prefs.enableStackList && errorStack && checkStack(errorStack)){
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return "allow";
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}
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else {
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return checkURL(url, blockMode);
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}
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}
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function checkURL(url, blockMode){
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url = new URL(url || "about:blank");
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switch (url.protocol){
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case "about:":
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if (url.href === "about:blank"){
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break;
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}
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return "allowInternal";
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case "chrome:":
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return "allowInternal";
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}
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var mode = "block";
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switch (blockMode){
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case "blockEverything":
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mode = "block";
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break;
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case "block":
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case "blockContext":
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case "blockReadout":
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case "blockInput":
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case "ask":
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case "askContext":
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case "askReadout":
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case "askInput":
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case "fake":
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case "fakeContext":
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case "fakeReadout":
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case "fakeInput":
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case "allow":
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case "allowContext":
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case "allowReadout":
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case "allowInput":
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if (url && lists.get("white").match(url)){
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mode = "allow";
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}
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else if (url && lists.get("black").match(url)){
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mode = "block";
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}
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else {
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mode = blockMode;
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}
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break;
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case "allowEverything":
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mode = "allow";
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break;
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default:
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// console.log("Unknown blocking mode (" + blockMode + "). Default to block everything.");
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}
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return mode;
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}
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function checkStack(errorStack){
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var callingStack = parseErrorStack(errorStack);
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return lists.get("stack").match(callingStack);
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}
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exports.checkStack = checkStack;
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}()); |