mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-12-24 05:40:45 +01:00
1d8bf95926
Fixes #681
96 lines
2.8 KiB
JavaScript
96 lines
2.8 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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(function(){
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"use strict";
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let scope;
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if ((typeof exports) !== "undefined"){
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scope = exports;
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}
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else {
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scope = require.register("./modifiedNavigatorAPI", {});
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}
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const {checkerWrapper, setProperties, getStatusByFlag} = require("./modifiedAPIFunctions");
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const extension = require("./extension");
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const navigator = require("./navigator");
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let cookieStoreId = false;
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scope.setCookieStoreId = function(newCookieStoreId){
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if (typeof newCookieStoreId === "string"){
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cookieStoreId = (
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newCookieStoreId !== "" &&
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newCookieStoreId !== "firefox-default"
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)? newCookieStoreId: "";
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}
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};
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function getCookieStoreId(){
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while (cookieStoreId === false){
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extension.waitSync("to wait for cookie store id");
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}
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return cookieStoreId;
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}
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scope.changedGetters = navigator.allProperties.map(function(property){
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return {
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objectGetters: [function(window){return window.Navigator && window.Navigator.prototype;}],
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name: property,
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getterGenerator: function(checker){
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const temp = {
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get [property](){
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return checkerWrapper(checker, this, arguments, function(args, check){
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const {notify, original} = check;
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const originalValue = original.call(this, ...args);
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const returnValue = navigator.getNavigatorValue(property, getCookieStoreId);
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if (originalValue !== returnValue){
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notify("fakedNavigatorReadout");
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}
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return returnValue;
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});
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}
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};
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return Object.getOwnPropertyDescriptor(temp, property).get;
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}
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};
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});
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scope.changedFunctions = {
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estimate: {
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objectGetters: [function(window){return window.StorageManager && window.StorageManager.prototype;}],
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fakeGenerator: function(checker){
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const quota = 10 * 1024 * 1024 * 1024;
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return function estimate(){
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return checkerWrapper(checker, this, arguments, function(args, check){
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const {notify, original, window} = check;
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const This = this;
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return new window.Promise(async function(resolve, reject){
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try {
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const originalValue = await original.call(This, ...args);
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if (originalValue.quota !== quota){
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originalValue.usage = Math.min(
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quota,
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Math.max(0, quota - (originalValue.quota - originalValue.usage))
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);
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originalValue.quota = quota;
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notify("fakedNavigatorReadout");
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}
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resolve(originalValue);
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}
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catch (error){
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reject(error);
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}
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});
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});
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};
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}
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}
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};
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setProperties(scope.changedFunctions, scope.changedGetters, {
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type: "readout",
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getStatus: getStatusByFlag("protectNavigator"),
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api: "navigator"
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});
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}()); |