mirror of https://github.com/gorhill/uBlock.git
1332 lines
45 KiB
JavaScript
1332 lines
45 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-2017 The uBlock Origin authors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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// For background page
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'use strict';
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/******************************************************************************/
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(function() {
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/******************************************************************************/
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/******************************************************************************/
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var chrome = self.chrome;
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var manifest = chrome.runtime.getManifest();
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vAPI.chrome = true;
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vAPI.chromiumVersion = (function(){
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var matches = /\bChrom(?:e|ium)\/(\d+)\b/.exec(navigator.userAgent);
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return matches !== null ? parseInt(matches[1], 10) : NaN;
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})();
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vAPI.cantWebsocket =
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chrome.webRequest.ResourceType instanceof Object === false ||
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chrome.webRequest.ResourceType.WEBSOCKET !== 'websocket';
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vAPI.webextFlavor = '';
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if (
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self.browser instanceof Object &&
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typeof self.browser.runtime.getBrowserInfo === 'function'
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) {
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self.browser.runtime.getBrowserInfo().then(function(info) {
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vAPI.webextFlavor = info.vendor + '-' + info.name + '-' + info.version;
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});
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}
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// https://issues.adblockplus.org/ticket/5695
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// - Good idea, adopted: cleaner way to detect user-stylesheet support.
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vAPI.supportsUserStylesheets =
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chrome.extensionTypes instanceof Object &&
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chrome.extensionTypes.CSSOrigin instanceof Object &&
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'USER' in chrome.extensionTypes.CSSOrigin;
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vAPI.insertCSS = chrome.tabs.insertCSS;
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var noopFunc = function(){};
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/******************************************************************************/
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vAPI.app = {
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name: manifest.name.replace(' dev build', ''),
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version: manifest.version
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};
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/******************************************************************************/
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vAPI.app.restart = function() {
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chrome.runtime.reload();
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};
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/******************************************************************************/
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/******************************************************************************/
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// chrome.storage.local.get(null, function(bin){ console.debug('%o', bin); });
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vAPI.storage = chrome.storage.local;
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vAPI.cacheStorage = chrome.storage.local;
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/******************************************************************************/
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/******************************************************************************/
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// https://github.com/gorhill/uMatrix/issues/234
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// https://developer.chrome.com/extensions/privacy#property-network
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// 2015-08-12: Wrapped Chrome API in try-catch statements. I had a fluke
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// event in which it appeared Chrome 46 decided to restart uBlock (for
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// unknown reasons) and again for unknown reasons the browser acted as if
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// uBlock did not declare the `privacy` permission in its manifest, putting
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// uBlock in a bad, non-functional state -- because call to `chrome.privacy`
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// API threw an exception.
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// https://github.com/gorhill/uBlock/issues/2048
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// Do not mess up with existing settings if not assigning them stricter
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// values.
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vAPI.browserSettings = (function() {
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// Not all platforms support `chrome.privacy`.
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if ( chrome.privacy instanceof Object === false ) {
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return;
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}
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return {
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webRTCSupported: undefined,
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// https://github.com/gorhill/uBlock/issues/875
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// Must not leave `lastError` unchecked.
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noopCallback: function() {
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void chrome.runtime.lastError;
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},
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// Calling with `true` means IP address leak is not prevented.
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// https://github.com/gorhill/uBlock/issues/533
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// We must first check wether this Chromium-based browser was compiled
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// with WebRTC support. To do this, we use an iframe, this way the
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// empty RTCPeerConnection object we create to test for support will
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// be properly garbage collected. This prevents issues such as
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// a computer unable to enter into sleep mode, as reported in the
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// Chrome store:
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// https://github.com/gorhill/uBlock/issues/533#issuecomment-167931681
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setWebrtcIPAddress: function(setting) {
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// We don't know yet whether this browser supports WebRTC: find out.
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if ( this.webRTCSupported === undefined ) {
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this.webRTCSupported = { setting: setting };
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var iframe = document.createElement('iframe');
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var me = this;
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var messageHandler = function(ev) {
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if ( ev.origin !== self.location.origin ) {
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return;
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}
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window.removeEventListener('message', messageHandler);
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var setting = me.webRTCSupported.setting;
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me.webRTCSupported = ev.data === 'webRTCSupported';
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me.setWebrtcIPAddress(setting);
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iframe.parentNode.removeChild(iframe);
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iframe = null;
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};
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window.addEventListener('message', messageHandler);
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iframe.src = 'is-webrtc-supported.html';
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document.body.appendChild(iframe);
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return;
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}
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// We are waiting for a response from our iframe. This makes the code
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// safe to re-entrancy.
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if ( typeof this.webRTCSupported === 'object' ) {
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this.webRTCSupported.setting = setting;
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return;
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}
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// https://github.com/gorhill/uBlock/issues/533
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// WebRTC not supported: `webRTCMultipleRoutesEnabled` can NOT be
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// safely accessed. Accessing the property will cause full browser
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// crash.
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if ( this.webRTCSupported !== true ) {
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return;
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}
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var cp = chrome.privacy,
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cpn = cp.network;
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// Older version of Chromium do not support this setting, and is
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// marked as "deprecated" since Chromium 48.
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if ( typeof cpn.webRTCMultipleRoutesEnabled === 'object' ) {
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try {
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if ( setting ) {
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cpn.webRTCMultipleRoutesEnabled.clear({
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scope: 'regular'
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}, this.noopCallback);
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} else {
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cpn.webRTCMultipleRoutesEnabled.set({
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value: false,
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scope: 'regular'
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}, this.noopCallback);
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}
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} catch(ex) {
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console.error(ex);
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}
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}
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// This setting became available in Chromium 48.
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if ( typeof cpn.webRTCIPHandlingPolicy === 'object' ) {
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try {
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if ( setting ) {
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cpn.webRTCIPHandlingPolicy.clear({
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scope: 'regular'
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}, this.noopCallback);
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} else {
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// https://github.com/uBlockOrigin/uAssets/issues/333#issuecomment-289426678
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// - Leverage virtuous side-effect of strictest setting.
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cpn.webRTCIPHandlingPolicy.set({
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value: 'disable_non_proxied_udp',
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scope: 'regular'
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}, this.noopCallback);
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}
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} catch(ex) {
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console.error(ex);
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}
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}
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},
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set: function(details) {
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for ( var setting in details ) {
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if ( details.hasOwnProperty(setting) === false ) {
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continue;
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}
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switch ( setting ) {
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case 'prefetching':
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try {
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if ( !!details[setting] ) {
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chrome.privacy.network.networkPredictionEnabled.clear({
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scope: 'regular'
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}, this.noopCallback);
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} else {
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chrome.privacy.network.networkPredictionEnabled.set({
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value: false,
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scope: 'regular'
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}, this.noopCallback);
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}
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} catch(ex) {
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console.error(ex);
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}
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break;
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case 'hyperlinkAuditing':
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try {
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if ( !!details[setting] ) {
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chrome.privacy.websites.hyperlinkAuditingEnabled.clear({
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scope: 'regular'
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}, this.noopCallback);
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} else {
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chrome.privacy.websites.hyperlinkAuditingEnabled.set({
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value: false,
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scope: 'regular'
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}, this.noopCallback);
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}
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} catch(ex) {
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console.error(ex);
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}
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break;
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case 'webrtcIPAddress':
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this.setWebrtcIPAddress(!!details[setting]);
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break;
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default:
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break;
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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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vAPI.tabs = {};
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/******************************************************************************/
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vAPI.isBehindTheSceneTabId = function(tabId) {
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return tabId.toString() === '-1';
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};
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vAPI.noTabId = '-1';
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/******************************************************************************/
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var toChromiumTabId = function(tabId) {
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if ( typeof tabId === 'string' ) {
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tabId = parseInt(tabId, 10);
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}
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if ( typeof tabId !== 'number' || isNaN(tabId) || tabId === -1 ) {
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return 0;
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}
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return tabId;
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};
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/******************************************************************************/
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vAPI.tabs.registerListeners = function() {
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var onNavigationClient = this.onNavigation || noopFunc;
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var onUpdatedClient = this.onUpdated || noopFunc;
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// https://developer.chrome.com/extensions/webNavigation
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// [onCreatedNavigationTarget ->]
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// onBeforeNavigate ->
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// onCommitted ->
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// onDOMContentLoaded ->
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// onCompleted
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// The chrome.webRequest.onBeforeRequest() won't be called for everything
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// else than `http`/`https`. Thus, in such case, we will bind the tab as
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// early as possible in order to increase the likelihood of a context
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// properly setup if network requests are fired from within the tab.
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// Example: Chromium + case #6 at
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// http://raymondhill.net/ublock/popup.html
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var reGoodForWebRequestAPI = /^https?:\/\//;
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// https://forums.lanik.us/viewtopic.php?f=62&t=32826
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// Chromium-based browsers: sanitize target URL. I've seen data: URI with
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// newline characters in standard fields, possibly as a way of evading
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// filters. As per spec, there should be no whitespaces in a data: URI's
|
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// standard fields.
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var sanitizeURL = function(url) {
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if ( url.startsWith('data:') === false ) { return url; }
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var pos = url.indexOf(',');
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if ( pos === -1 ) { return url; }
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var s = url.slice(0, pos);
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if ( s.search(/\s/) === -1 ) { return url; }
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return s.replace(/\s+/, '') + url.slice(pos);
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};
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var onCreatedNavigationTarget = function(details) {
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if ( typeof details.url !== 'string' ) {
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details.url = '';
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}
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if ( reGoodForWebRequestAPI.test(details.url) === false ) {
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details.frameId = 0;
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details.url = sanitizeURL(details.url);
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onNavigationClient(details);
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}
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if ( typeof vAPI.tabs.onPopupCreated === 'function' ) {
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vAPI.tabs.onPopupCreated(
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details.tabId.toString(),
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details.sourceTabId.toString()
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);
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}
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};
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var onBeforeNavigate = function(details) {
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if ( details.frameId !== 0 ) {
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return;
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}
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};
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var onCommitted = function(details) {
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if ( details.frameId !== 0 ) {
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return;
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}
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details.url = sanitizeURL(details.url);
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onNavigationClient(details);
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};
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var onActivated = function(details) {
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if ( vAPI.contextMenu instanceof Object ) {
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vAPI.contextMenu.onMustUpdate(details.tabId);
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}
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};
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// https://github.com/gorhill/uBlock/issues/3073
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// - Fall back to `tab.url` when `changeInfo.url` is not set.
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var onUpdated = function(tabId, changeInfo, tab) {
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if ( typeof changeInfo.url !== 'string' ) {
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changeInfo.url = tab && tab.url;
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}
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if ( changeInfo.url ) {
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changeInfo.url = sanitizeURL(changeInfo.url);
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}
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onUpdatedClient(tabId.toString(), changeInfo, tab);
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};
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chrome.webNavigation.onBeforeNavigate.addListener(onBeforeNavigate);
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chrome.webNavigation.onCommitted.addListener(onCommitted);
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// Not supported on Firefox WebExtensions yet.
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if ( chrome.webNavigation.onCreatedNavigationTarget instanceof Object ) {
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chrome.webNavigation.onCreatedNavigationTarget.addListener(onCreatedNavigationTarget);
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}
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chrome.tabs.onActivated.addListener(onActivated);
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chrome.tabs.onUpdated.addListener(onUpdated);
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if ( typeof this.onClosed === 'function' ) {
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chrome.tabs.onRemoved.addListener(this.onClosed);
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}
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};
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/******************************************************************************/
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vAPI.tabs.get = function(tabId, callback) {
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var onTabReady = function(tab) {
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// https://code.google.com/p/chromium/issues/detail?id=410868#c8
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if ( chrome.runtime.lastError ) {
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/* noop */
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|
}
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// Caller must be prepared to deal with nil tab value
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callback(tab);
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|
};
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if ( tabId !== null ) {
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tabId = toChromiumTabId(tabId);
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if ( tabId === 0 ) {
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onTabReady(null);
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} else {
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chrome.tabs.get(tabId, onTabReady);
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}
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return;
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}
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var onTabReceived = function(tabs) {
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// https://code.google.com/p/chromium/issues/detail?id=410868#c8
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void chrome.runtime.lastError;
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callback(tabs[0]);
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};
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chrome.tabs.query({ active: true, currentWindow: true }, onTabReceived);
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};
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/******************************************************************************/
|
|
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// properties of the details object:
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// url: 'URL', // the address that will be opened
|
|
// tabId: 1, // the tab is used if set, instead of creating a new one
|
|
// index: -1, // undefined: end of the list, -1: following tab, or after index
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|
// active: false, // opens the tab in background - true and undefined: foreground
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|
// select: true, // if a tab is already opened with that url, then select it instead of opening a new one
|
|
// popup: true // open in a new window
|
|
|
|
vAPI.tabs.open = function(details) {
|
|
var targetURL = details.url;
|
|
if ( typeof targetURL !== 'string' || targetURL === '' ) {
|
|
return null;
|
|
}
|
|
|
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// extension pages
|
|
if ( /^[\w-]{2,}:/.test(targetURL) !== true ) {
|
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targetURL = vAPI.getURL(targetURL);
|
|
}
|
|
|
|
// dealing with Chrome's asynchronous API
|
|
var wrapper = function() {
|
|
if ( details.active === undefined ) {
|
|
details.active = true;
|
|
}
|
|
|
|
var subWrapper = function() {
|
|
var _details = {
|
|
url: targetURL,
|
|
active: !!details.active
|
|
};
|
|
|
|
// Opening a tab from incognito window won't focus the window
|
|
// in which the tab was opened
|
|
var focusWindow = function(tab) {
|
|
if ( tab.active ) {
|
|
chrome.windows.update(tab.windowId, { focused: true });
|
|
}
|
|
};
|
|
|
|
if ( !details.tabId ) {
|
|
if ( details.index !== undefined ) {
|
|
_details.index = details.index;
|
|
}
|
|
|
|
chrome.tabs.create(_details, focusWindow);
|
|
return;
|
|
}
|
|
|
|
// update doesn't accept index, must use move
|
|
chrome.tabs.update(toChromiumTabId(details.tabId), _details, function(tab) {
|
|
// if the tab doesn't exist
|
|
if ( vAPI.lastError() ) {
|
|
chrome.tabs.create(_details, focusWindow);
|
|
} else if ( details.index !== undefined ) {
|
|
chrome.tabs.move(tab.id, {index: details.index});
|
|
}
|
|
});
|
|
};
|
|
|
|
// Open in a standalone window
|
|
if ( details.popup === true ) {
|
|
chrome.windows.create({ url: details.url, type: 'popup' });
|
|
return;
|
|
}
|
|
|
|
if ( details.index !== -1 ) {
|
|
subWrapper();
|
|
return;
|
|
}
|
|
|
|
vAPI.tabs.get(null, function(tab) {
|
|
if ( tab ) {
|
|
details.index = tab.index + 1;
|
|
} else {
|
|
delete details.index;
|
|
}
|
|
|
|
subWrapper();
|
|
});
|
|
};
|
|
|
|
if ( !details.select ) {
|
|
wrapper();
|
|
return;
|
|
}
|
|
|
|
// https://github.com/gorhill/uBlock/issues/3053#issuecomment-332276818
|
|
// - Do not try to lookup uBO's own pages with FF 55 or less.
|
|
if ( /^Mozilla-Firefox-5[2-5]\./.test(vAPI.webextFlavor) ) {
|
|
wrapper();
|
|
return;
|
|
}
|
|
|
|
// https://developer.chrome.com/extensions/tabs#method-query
|
|
// "Note that fragment identifiers are not matched."
|
|
// It's a lie, fragment identifiers ARE matched. So we need to remove the
|
|
// fragment.
|
|
var pos = targetURL.indexOf('#'),
|
|
targetURLWithoutHash = pos === -1 ? targetURL : targetURL.slice(0, pos);
|
|
|
|
chrome.tabs.query({ url: targetURLWithoutHash }, function(tabs) {
|
|
if ( chrome.runtime.lastError ) { /* noop */ }
|
|
var tab = Array.isArray(tabs) && tabs[0];
|
|
if ( !tab ) {
|
|
wrapper();
|
|
return;
|
|
}
|
|
var _details = {
|
|
active: true,
|
|
url: undefined
|
|
};
|
|
if ( targetURL !== tab.url ) {
|
|
_details.url = targetURL;
|
|
}
|
|
chrome.tabs.update(tab.id, _details, function(tab) {
|
|
chrome.windows.update(tab.windowId, { focused: true });
|
|
});
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// Replace the URL of a tab. Noop if the tab does not exist.
|
|
|
|
vAPI.tabs.replace = function(tabId, url) {
|
|
tabId = toChromiumTabId(tabId);
|
|
if ( tabId === 0 ) {
|
|
return;
|
|
}
|
|
|
|
var targetURL = url;
|
|
|
|
// extension pages
|
|
if ( /^[\w-]{2,}:/.test(targetURL) !== true ) {
|
|
targetURL = vAPI.getURL(targetURL);
|
|
}
|
|
|
|
chrome.tabs.update(tabId, { url: targetURL }, function() {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.remove = function(tabId) {
|
|
tabId = toChromiumTabId(tabId);
|
|
if ( tabId === 0 ) {
|
|
return;
|
|
}
|
|
|
|
var onTabRemoved = function() {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
};
|
|
|
|
chrome.tabs.remove(tabId, onTabRemoved);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.reload = function(tabId /*, flags*/) {
|
|
tabId = toChromiumTabId(tabId);
|
|
if ( tabId === 0 ) {
|
|
return;
|
|
}
|
|
|
|
var onReloaded = function() {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
};
|
|
|
|
chrome.tabs.reload(tabId, onReloaded);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// Select a specific tab.
|
|
|
|
vAPI.tabs.select = function(tabId) {
|
|
tabId = toChromiumTabId(tabId);
|
|
if ( tabId === 0 ) {
|
|
return;
|
|
}
|
|
|
|
chrome.tabs.update(tabId, { active: true }, function(tab) {
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
if ( !tab ) {
|
|
return;
|
|
}
|
|
chrome.windows.update(tab.windowId, { focused: true });
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.injectScript = function(tabId, details, callback) {
|
|
var onScriptExecuted = function() {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
if ( typeof callback === 'function' ) {
|
|
callback();
|
|
}
|
|
};
|
|
if ( tabId ) {
|
|
chrome.tabs.executeScript(toChromiumTabId(tabId), details, onScriptExecuted);
|
|
} else {
|
|
chrome.tabs.executeScript(details, onScriptExecuted);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
// Must read: https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
|
|
// https://github.com/chrisaljoudi/uBlock/issues/19
|
|
// https://github.com/chrisaljoudi/uBlock/issues/207
|
|
// Since we may be called asynchronously, the tab id may not exist
|
|
// anymore, so this ensures it does still exist.
|
|
|
|
// https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/browserAction#Browser_compatibility
|
|
// Firefox for Android does no support browser.browserAction.setIcon().
|
|
|
|
vAPI.setIcon = (function() {
|
|
var browserAction = chrome.browserAction,
|
|
titleTemplate = chrome.runtime.getManifest().name + ' ({badge})';
|
|
var iconPaths = [
|
|
{
|
|
'19': 'img/browsericons/icon19-off.png',
|
|
'38': 'img/browsericons/icon38-off.png'
|
|
},
|
|
{
|
|
'19': 'img/browsericons/icon19.png',
|
|
'38': 'img/browsericons/icon38.png'
|
|
}
|
|
];
|
|
|
|
var onTabReady = function(tab, status, badge) {
|
|
if ( vAPI.lastError() || !tab ) { return; }
|
|
|
|
if ( browserAction.setIcon !== undefined ) {
|
|
browserAction.setIcon({
|
|
tabId: tab.id,
|
|
path: iconPaths[status === 'on' ? 1 : 0]
|
|
});
|
|
browserAction.setBadgeText({
|
|
tabId: tab.id,
|
|
text: badge
|
|
});
|
|
if ( badge !== '' ) {
|
|
browserAction.setBadgeBackgroundColor({
|
|
tabId: tab.id,
|
|
color: '#666'
|
|
});
|
|
}
|
|
}
|
|
|
|
if ( browserAction.setTitle !== undefined ) {
|
|
browserAction.setTitle({
|
|
tabId: tab.id,
|
|
title: titleTemplate.replace(
|
|
'{badge}',
|
|
status === 'on' ? (badge !== '' ? badge : '0') : 'off'
|
|
)
|
|
});
|
|
}
|
|
};
|
|
|
|
return function(tabId, iconStatus, badge) {
|
|
tabId = toChromiumTabId(tabId);
|
|
if ( tabId === 0 ) { return; }
|
|
|
|
chrome.tabs.get(tabId, function(tab) {
|
|
onTabReady(tab, iconStatus, badge);
|
|
});
|
|
|
|
if ( vAPI.contextMenu instanceof Object ) {
|
|
vAPI.contextMenu.onMustUpdate(tabId);
|
|
}
|
|
};
|
|
})();
|
|
|
|
chrome.browserAction.onClicked.addListener(function(tab) {
|
|
vAPI.tabs.open({
|
|
select: true,
|
|
url: 'popup.html?tabId=' + tab.id + '&mobile=1'
|
|
});
|
|
});
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging = {
|
|
ports: new Map(),
|
|
listeners: {},
|
|
defaultHandler: null,
|
|
NOOPFUNC: noopFunc,
|
|
UNHANDLED: 'vAPI.messaging.notHandled'
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.listen = function(listenerName, callback) {
|
|
this.listeners[listenerName] = callback;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onPortMessage = (function() {
|
|
var messaging = vAPI.messaging,
|
|
toAuxPending = new Map();
|
|
|
|
var supportsUserStylesheets = vAPI.supportsUserStylesheets;
|
|
|
|
// Use a wrapper to avoid closure and to allow reuse.
|
|
var CallbackWrapper = function(port, request, timeout) {
|
|
this.callback = this.proxy.bind(this); // bind once
|
|
this.init(port, request, timeout);
|
|
};
|
|
|
|
CallbackWrapper.prototype = {
|
|
timerId: null,
|
|
init: function(port, request, timeout) {
|
|
this.port = port;
|
|
this.request = request;
|
|
if ( timeout !== undefined ) {
|
|
this.timerId = vAPI.setTimeout(this.callback, timeout);
|
|
}
|
|
return this;
|
|
},
|
|
proxy: function(response) {
|
|
if ( this.timerId !== null ) {
|
|
clearTimeout(this.timerId);
|
|
toAuxPending.delete(this.timerId);
|
|
this.timerId = null;
|
|
}
|
|
// https://github.com/chrisaljoudi/uBlock/issues/383
|
|
if ( messaging.ports.has(this.port.name) ) {
|
|
this.port.postMessage({
|
|
auxProcessId: this.request.auxProcessId,
|
|
channelName: this.request.channelName,
|
|
msg: response !== undefined ? response : null
|
|
});
|
|
}
|
|
// Mark for reuse
|
|
this.port = this.request = null;
|
|
callbackWrapperJunkyard.push(this);
|
|
}
|
|
};
|
|
|
|
var callbackWrapperJunkyard = [];
|
|
|
|
var callbackWrapperFactory = function(port, request, timeout) {
|
|
var wrapper = callbackWrapperJunkyard.pop();
|
|
if ( wrapper ) {
|
|
return wrapper.init(port, request, timeout);
|
|
}
|
|
return new CallbackWrapper(port, request, timeout);
|
|
};
|
|
|
|
var toAux = function(details, portFrom) {
|
|
var port, portTo,
|
|
chromiumTabId = toChromiumTabId(details.toTabId);
|
|
|
|
// TODO: This could be an issue with a lot of tabs: easy to address
|
|
// with a port name to tab id map.
|
|
// When sending to an auxiliary process, the target is always the
|
|
// port associated with the root frame.
|
|
for ( var entry of messaging.ports ) {
|
|
port = entry[1];
|
|
if ( port.sender.frameId === 0 && port.sender.tab.id === chromiumTabId ) {
|
|
portTo = port;
|
|
break;
|
|
}
|
|
}
|
|
|
|
var wrapper;
|
|
if ( details.auxProcessId !== undefined ) {
|
|
wrapper = callbackWrapperFactory(portFrom, details, 1023);
|
|
}
|
|
|
|
// Destination not found:
|
|
if ( portTo === undefined ) {
|
|
if ( wrapper !== undefined ) {
|
|
wrapper.callback();
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ( wrapper !== undefined ) {
|
|
toAuxPending.set(wrapper.timerId, wrapper);
|
|
}
|
|
|
|
portTo.postMessage({
|
|
mainProcessId: wrapper && wrapper.timerId,
|
|
channelName: details.toChannel,
|
|
msg: details.msg
|
|
});
|
|
};
|
|
|
|
var toAuxResponse = function(details) {
|
|
var mainProcessId = details.mainProcessId;
|
|
if ( mainProcessId === undefined ) { return; }
|
|
var wrapper = toAuxPending.get(mainProcessId);
|
|
if ( wrapper === undefined ) { return; }
|
|
toAuxPending.delete(mainProcessId);
|
|
wrapper.callback(details.msg);
|
|
};
|
|
|
|
var toFramework = function(msg, sender) {
|
|
var tabId = sender && sender.tab && sender.tab.id;
|
|
if ( !tabId ) { return; }
|
|
switch ( msg.what ) {
|
|
case 'userCSS':
|
|
var details = {
|
|
code: undefined,
|
|
frameId: sender.frameId,
|
|
matchAboutBlank: true
|
|
};
|
|
if ( supportsUserStylesheets ) {
|
|
details.cssOrigin = 'user';
|
|
}
|
|
if ( msg.add ) {
|
|
details.runAt = 'document_start';
|
|
}
|
|
var cssText;
|
|
for ( cssText of msg.add ) {
|
|
details.code = cssText;
|
|
chrome.tabs.insertCSS(tabId, details);
|
|
}
|
|
for ( cssText of msg.remove ) {
|
|
details.code = cssText;
|
|
chrome.tabs.removeCSS(tabId, details);
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
|
|
return function(request, port) {
|
|
// Auxiliary process to auxiliary process
|
|
if ( request.toTabId !== undefined ) {
|
|
toAux(request, port);
|
|
return;
|
|
}
|
|
|
|
// Auxiliary process to auxiliary process: response
|
|
if ( request.mainProcessId !== undefined ) {
|
|
toAuxResponse(request);
|
|
return;
|
|
}
|
|
|
|
// Content process to main process: framework handler.
|
|
// No callback supported/needed for now.
|
|
if ( request.channelName === 'vapi-background' ) {
|
|
toFramework(request.msg, port.sender);
|
|
return;
|
|
}
|
|
|
|
// Auxiliary process to main process: prepare response
|
|
var callback = this.NOOPFUNC;
|
|
if ( request.auxProcessId !== undefined ) {
|
|
callback = callbackWrapperFactory(port, request).callback;
|
|
}
|
|
|
|
// Auxiliary process to main process: specific handler
|
|
var r = this.UNHANDLED,
|
|
listener = this.listeners[request.channelName];
|
|
if ( typeof listener === 'function' ) {
|
|
r = listener(request.msg, port.sender, callback);
|
|
}
|
|
if ( r !== this.UNHANDLED ) { return; }
|
|
|
|
// Auxiliary process to main process: default handler
|
|
r = this.defaultHandler(request.msg, port.sender, callback);
|
|
if ( r !== this.UNHANDLED ) { return; }
|
|
|
|
// Auxiliary process to main process: no handler
|
|
console.error(
|
|
'vAPI.messaging.onPortMessage > unhandled request: %o',
|
|
request
|
|
);
|
|
|
|
// Need to callback anyways in case caller expected an answer, or
|
|
// else there is a memory leak on caller's side
|
|
callback();
|
|
}.bind(vAPI.messaging);
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onPortDisconnect = function(port) {
|
|
port.onDisconnect.removeListener(this.onPortDisconnect);
|
|
port.onMessage.removeListener(this.onPortMessage);
|
|
this.ports.delete(port.name);
|
|
}.bind(vAPI.messaging);
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onPortConnect = function(port) {
|
|
port.onDisconnect.addListener(this.onPortDisconnect);
|
|
port.onMessage.addListener(this.onPortMessage);
|
|
this.ports.set(port.name, port);
|
|
}.bind(vAPI.messaging);
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.setup = function(defaultHandler) {
|
|
// Already setup?
|
|
if ( this.defaultHandler !== null ) {
|
|
return;
|
|
}
|
|
|
|
if ( typeof defaultHandler !== 'function' ) {
|
|
defaultHandler = function(){ return vAPI.messaging.UNHANDLED; };
|
|
}
|
|
this.defaultHandler = defaultHandler;
|
|
|
|
chrome.runtime.onConnect.addListener(this.onPortConnect);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.broadcast = function(message) {
|
|
var messageWrapper = {
|
|
broadcast: true,
|
|
msg: message
|
|
};
|
|
for ( var entry of this.ports ) {
|
|
entry[1].postMessage(messageWrapper);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
// https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/contextMenus#Browser_compatibility
|
|
// Firefox for Android does no support browser.contextMenus.
|
|
|
|
vAPI.contextMenu = chrome.contextMenus && {
|
|
_callback: null,
|
|
_entries: [],
|
|
_createEntry: function(entry) {
|
|
chrome.contextMenus.create(JSON.parse(JSON.stringify(entry)), function() {
|
|
void chrome.runtime.lastError;
|
|
});
|
|
},
|
|
onMustUpdate: function() {},
|
|
setEntries: function(entries, callback) {
|
|
entries = entries || [];
|
|
var n = Math.max(this._entries.length, entries.length),
|
|
oldEntryId, newEntry;
|
|
for ( var i = 0; i < n; i++ ) {
|
|
oldEntryId = this._entries[i];
|
|
newEntry = entries[i];
|
|
if ( oldEntryId && newEntry ) {
|
|
if ( newEntry.id !== oldEntryId ) {
|
|
chrome.contextMenus.remove(oldEntryId);
|
|
this._createEntry(newEntry);
|
|
this._entries[i] = newEntry.id;
|
|
}
|
|
} else if ( oldEntryId && !newEntry ) {
|
|
chrome.contextMenus.remove(oldEntryId);
|
|
} else if ( !oldEntryId && newEntry ) {
|
|
this._createEntry(newEntry);
|
|
this._entries[i] = newEntry.id;
|
|
}
|
|
}
|
|
n = this._entries.length = entries.length;
|
|
callback = callback || null;
|
|
if ( callback === this._callback ) {
|
|
return;
|
|
}
|
|
if ( n !== 0 && callback !== null ) {
|
|
chrome.contextMenus.onClicked.addListener(callback);
|
|
this._callback = callback;
|
|
} else if ( n === 0 && this._callback !== null ) {
|
|
chrome.contextMenus.onClicked.removeListener(this._callback);
|
|
this._callback = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
vAPI.commands = chrome.commands;
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
vAPI.lastError = function() {
|
|
return chrome.runtime.lastError;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
// This is called only once, when everything has been loaded in memory after
|
|
// the extension was launched. It can be used to inject content scripts
|
|
// in already opened web pages, to remove whatever nuisance could make it to
|
|
// the web pages before uBlock was ready.
|
|
|
|
vAPI.onLoadAllCompleted = function() {
|
|
// http://code.google.com/p/chromium/issues/detail?id=410868#c11
|
|
// Need to be sure to access `vAPI.lastError()` to prevent
|
|
// spurious warnings in the console.
|
|
var scriptDone = function() {
|
|
vAPI.lastError();
|
|
};
|
|
var scriptStart = function(tabId) {
|
|
vAPI.tabs.injectScript(tabId, {
|
|
file: 'js/vapi-client.js',
|
|
allFrames: true,
|
|
runAt: 'document_idle'
|
|
}, function(){ });
|
|
vAPI.tabs.injectScript(tabId, {
|
|
file: 'js/contentscript.js',
|
|
allFrames: true,
|
|
runAt: 'document_idle'
|
|
}, scriptDone);
|
|
};
|
|
var bindToTabs = function(tabs) {
|
|
var µb = µBlock;
|
|
var i = tabs.length, tab;
|
|
while ( i-- ) {
|
|
tab = tabs[i];
|
|
µb.tabContextManager.commit(tab.id, tab.url);
|
|
µb.bindTabToPageStats(tab.id);
|
|
// https://github.com/chrisaljoudi/uBlock/issues/129
|
|
if ( /^https?:\/\//.test(tab.url) ) {
|
|
scriptStart(tab.id);
|
|
}
|
|
}
|
|
};
|
|
|
|
chrome.tabs.query({ url: '<all_urls>' }, bindToTabs);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
vAPI.punycodeHostname = function(hostname) {
|
|
return hostname;
|
|
};
|
|
|
|
vAPI.punycodeURL = function(url) {
|
|
return url;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/531
|
|
// Storage area dedicated to admin settings. Read-only.
|
|
|
|
// https://github.com/gorhill/uBlock/commit/43a5ed735b95a575a9339b6e71a1fcb27a99663b#commitcomment-13965030
|
|
// Not all Chromium-based browsers support managed storage. Merely testing or
|
|
// exception handling in this case does NOT work: I don't know why. The
|
|
// extension on Opera ends up in a non-sensical state, whereas vAPI become
|
|
// undefined out of nowhere. So only solution left is to test explicitly for
|
|
// Opera.
|
|
// https://github.com/gorhill/uBlock/issues/900
|
|
// Also, UC Browser: http://www.upsieutoc.com/image/WXuH
|
|
|
|
vAPI.adminStorage = chrome.storage.managed && {
|
|
getItem: function(key, callback) {
|
|
var onRead = function(store) {
|
|
var data;
|
|
if (
|
|
!chrome.runtime.lastError &&
|
|
typeof store === 'object' &&
|
|
store !== null
|
|
) {
|
|
data = store[key];
|
|
}
|
|
callback(data);
|
|
};
|
|
try {
|
|
chrome.storage.managed.get(key, onRead);
|
|
} catch (ex) {
|
|
callback();
|
|
}
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
vAPI.cloud = (function() {
|
|
// Not all platforms support `chrome.storage.sync`.
|
|
if ( chrome.storage.sync instanceof Object === false ) {
|
|
return;
|
|
}
|
|
|
|
var chunkCountPerFetch = 16; // Must be a power of 2
|
|
|
|
// Mind chrome.storage.sync.MAX_ITEMS (512 at time of writing)
|
|
var maxChunkCountPerItem = Math.floor(512 * 0.75) & ~(chunkCountPerFetch - 1);
|
|
|
|
// Mind chrome.storage.sync.QUOTA_BYTES_PER_ITEM (8192 at time of writing)
|
|
var maxChunkSize = chrome.storage.sync.QUOTA_BYTES_PER_ITEM || 8192;
|
|
|
|
// Mind chrome.storage.sync.QUOTA_BYTES (128 kB at time of writing)
|
|
// Firefox:
|
|
// https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/sync
|
|
// > You can store up to 100KB of data using this API/
|
|
var maxStorageSize = chrome.storage.sync.QUOTA_BYTES || 102400;
|
|
|
|
// Flavor-specific handling needs to be done here. Reason: to allow time
|
|
// for vAPI.webextFlavor to be properly set.
|
|
// https://github.com/gorhill/uBlock/issues/3006
|
|
// For Firefox, we will use a lower ratio to allow for more overhead for
|
|
// the infrastructure. Unfortunately this leads to less usable space for
|
|
// actual data, but all of this is provided for free by browser vendors,
|
|
// so we need to accept and deal with these limitations.
|
|
var initialize = function() {
|
|
var ratio = vAPI.webextFlavor.startsWith('Mozilla-Firefox-') ? 0.6 : 0.75;
|
|
maxChunkSize = Math.floor(maxChunkSize * ratio);
|
|
initialize = function(){};
|
|
};
|
|
|
|
var options = {
|
|
defaultDeviceName: window.navigator.platform,
|
|
deviceName: vAPI.localStorage.getItem('deviceName') || ''
|
|
};
|
|
|
|
// This is used to find out a rough count of how many chunks exists:
|
|
// We "poll" at specific index in order to get a rough idea of how
|
|
// large is the stored string.
|
|
// This allows reading a single item with only 2 sync operations -- a
|
|
// good thing given chrome.storage.sync.MAX_WRITE_OPERATIONS_PER_MINUTE
|
|
// and chrome.storage.sync.MAX_WRITE_OPERATIONS_PER_HOUR.
|
|
|
|
var getCoarseChunkCount = function(dataKey, callback) {
|
|
var bin = {};
|
|
for ( var i = 0; i < maxChunkCountPerItem; i += 16 ) {
|
|
bin[dataKey + i.toString()] = '';
|
|
}
|
|
|
|
chrome.storage.sync.get(bin, function(bin) {
|
|
if ( chrome.runtime.lastError ) {
|
|
callback(0, chrome.runtime.lastError.message);
|
|
return;
|
|
}
|
|
|
|
var chunkCount = 0;
|
|
for ( var i = 0; i < maxChunkCountPerItem; i += 16 ) {
|
|
if ( bin[dataKey + i.toString()] === '' ) {
|
|
break;
|
|
}
|
|
chunkCount = i + 16;
|
|
}
|
|
|
|
callback(chunkCount);
|
|
});
|
|
};
|
|
|
|
var deleteChunks = function(dataKey, start) {
|
|
var keys = [];
|
|
|
|
// No point in deleting more than:
|
|
// - The max number of chunks per item
|
|
// - The max number of chunks per storage limit
|
|
var n = Math.min(
|
|
maxChunkCountPerItem,
|
|
Math.ceil(maxStorageSize / maxChunkSize)
|
|
);
|
|
for ( var i = start; i < n; i++ ) {
|
|
keys.push(dataKey + i.toString());
|
|
}
|
|
if ( keys.length !== 0 ) {
|
|
chrome.storage.sync.remove(keys);
|
|
}
|
|
};
|
|
|
|
var start = function(/* dataKeys */) {
|
|
};
|
|
|
|
var push = function(dataKey, data, callback) {
|
|
initialize();
|
|
|
|
var bin = {
|
|
'source': options.deviceName || options.defaultDeviceName,
|
|
'tstamp': Date.now(),
|
|
'data': data,
|
|
'size': 0
|
|
};
|
|
bin.size = JSON.stringify(bin).length;
|
|
var item = JSON.stringify(bin);
|
|
|
|
// Chunkify taking into account QUOTA_BYTES_PER_ITEM:
|
|
// https://developer.chrome.com/extensions/storage#property-sync
|
|
// "The maximum size (in bytes) of each individual item in sync
|
|
// "storage, as measured by the JSON stringification of its value
|
|
// "plus its key length."
|
|
bin = {};
|
|
var chunkCount = Math.ceil(item.length / maxChunkSize);
|
|
for ( var i = 0; i < chunkCount; i++ ) {
|
|
bin[dataKey + i.toString()] = item.substr(i * maxChunkSize, maxChunkSize);
|
|
}
|
|
bin[dataKey + i.toString()] = ''; // Sentinel
|
|
|
|
chrome.storage.sync.set(bin, function() {
|
|
var errorStr;
|
|
if ( chrome.runtime.lastError ) {
|
|
errorStr = chrome.runtime.lastError.message;
|
|
// https://github.com/gorhill/uBlock/issues/3006#issuecomment-332597677
|
|
// - Delete all that was pushed in case of failure.
|
|
// - It's unknown whether such issue applies only to Firefox:
|
|
// until such cases are reported for other browsers, we will
|
|
// reset the (now corrupted) content of the cloud storage
|
|
// only on Firefox.
|
|
if ( vAPI.webextFlavor.startsWith('Mozilla-Firefox-') ) {
|
|
chunkCount = 0;
|
|
}
|
|
}
|
|
callback(errorStr);
|
|
|
|
// Remove potentially unused trailing chunks
|
|
deleteChunks(dataKey, chunkCount);
|
|
});
|
|
};
|
|
|
|
var pull = function(dataKey, callback) {
|
|
initialize();
|
|
|
|
var assembleChunks = function(bin) {
|
|
if ( chrome.runtime.lastError ) {
|
|
callback(null, chrome.runtime.lastError.message);
|
|
return;
|
|
}
|
|
|
|
// Assemble chunks into a single string.
|
|
var json = [], jsonSlice;
|
|
var i = 0;
|
|
for (;;) {
|
|
jsonSlice = bin[dataKey + i.toString()];
|
|
if ( jsonSlice === '' ) {
|
|
break;
|
|
}
|
|
json.push(jsonSlice);
|
|
i += 1;
|
|
}
|
|
|
|
var entry = null;
|
|
try {
|
|
entry = JSON.parse(json.join(''));
|
|
} catch(ex) {
|
|
}
|
|
callback(entry);
|
|
};
|
|
|
|
var fetchChunks = function(coarseCount, errorStr) {
|
|
if ( coarseCount === 0 || typeof errorStr === 'string' ) {
|
|
callback(null, errorStr);
|
|
return;
|
|
}
|
|
|
|
var bin = {};
|
|
for ( var i = 0; i < coarseCount; i++ ) {
|
|
bin[dataKey + i.toString()] = '';
|
|
}
|
|
|
|
chrome.storage.sync.get(bin, assembleChunks);
|
|
};
|
|
|
|
getCoarseChunkCount(dataKey, fetchChunks);
|
|
};
|
|
|
|
var getOptions = function(callback) {
|
|
if ( typeof callback !== 'function' ) {
|
|
return;
|
|
}
|
|
callback(options);
|
|
};
|
|
|
|
var setOptions = function(details, callback) {
|
|
if ( typeof details !== 'object' || details === null ) {
|
|
return;
|
|
}
|
|
|
|
if ( typeof details.deviceName === 'string' ) {
|
|
vAPI.localStorage.setItem('deviceName', details.deviceName);
|
|
options.deviceName = details.deviceName;
|
|
}
|
|
|
|
getOptions(callback);
|
|
};
|
|
|
|
return {
|
|
start: start,
|
|
push: push,
|
|
pull: pull,
|
|
getOptions: getOptions,
|
|
setOptions: setOptions
|
|
};
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
})();
|
|
|
|
/******************************************************************************/
|