mirror of
https://github.com/gorhill/uBlock.git
synced 2024-10-06 09:37:12 +02:00
ca9b29c7ec
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/710 Messages from unprivileged ports (i.e. from content scripts) are no longer relayed to message handlers which are to be strictly used to execute privileged code. The last remaining case of unprivileged messages which should be converted into a privileged ones will be taken care of when the following issue is fixed: - https://github.com/gorhill/uBlock/issues/3497
232 lines
6.9 KiB
JavaScript
232 lines
6.9 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-present 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 or non-background pages
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'use strict';
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/******************************************************************************/
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/******************************************************************************/
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(function(self) {
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/******************************************************************************/
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vAPI.T0 = Date.now();
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/******************************************************************************/
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vAPI.setTimeout = vAPI.setTimeout || self.setTimeout.bind(self);
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/******************************************************************************/
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vAPI.webextFlavor = {
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major: 0,
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soup: new Set()
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};
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(( ) => {
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const ua = navigator.userAgent;
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const flavor = vAPI.webextFlavor;
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const soup = flavor.soup;
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const dispatch = function() {
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window.dispatchEvent(new CustomEvent('webextFlavor'));
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};
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// This is always true.
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soup.add('ublock').add('webext');
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// Whether this is a dev build.
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if ( /^\d+\.\d+\.\d+\D/.test(chrome.runtime.getManifest().version) ) {
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soup.add('devbuild');
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}
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if ( /\bMobile\b/.test(ua) ) {
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soup.add('mobile');
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}
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// Asynchronous
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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(info => {
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flavor.major = parseInt(info.version, 10) || 60;
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soup.add(info.vendor.toLowerCase())
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.add(info.name.toLowerCase());
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if ( soup.has('firefox') && flavor.major < 57 ) {
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soup.delete('html_filtering');
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}
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dispatch();
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});
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if ( self.browser.runtime.getURL('').startsWith('moz-extension://') ) {
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soup.add('mozilla')
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.add('firefox')
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.add('user_stylesheet')
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.add('html_filtering');
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flavor.major = 60;
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}
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return;
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}
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// Synchronous -- order of tests is important
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let match;
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if ( (match = /\bEdge\/(\d+)/.exec(ua)) !== null ) {
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flavor.major = parseInt(match[1], 10) || 0;
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soup.add('microsoft').add('edge');
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} else if ( (match = /\bOPR\/(\d+)/.exec(ua)) !== null ) {
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const reEx = /\bChrom(?:e|ium)\/([\d.]+)/;
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if ( reEx.test(ua) ) { match = reEx.exec(ua); }
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flavor.major = parseInt(match[1], 10) || 0;
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soup.add('opera').add('chromium');
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} else if ( (match = /\bChromium\/(\d+)/.exec(ua)) !== null ) {
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flavor.major = parseInt(match[1], 10) || 0;
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soup.add('chromium');
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} else if ( (match = /\bChrome\/(\d+)/.exec(ua)) !== null ) {
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flavor.major = parseInt(match[1], 10) || 0;
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soup.add('google').add('chromium');
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} else if ( (match = /\bSafari\/(\d+)/.exec(ua)) !== null ) {
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flavor.major = parseInt(match[1], 10) || 0;
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soup.add('apple').add('safari');
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}
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// https://github.com/gorhill/uBlock/issues/3588
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if ( soup.has('chromium') && flavor.major >= 66 ) {
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soup.add('user_stylesheet');
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}
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// Don't starve potential listeners
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vAPI.setTimeout(dispatch, 97);
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})();
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/******************************************************************************/
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vAPI.download = function(details) {
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if ( !details.url ) {
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return;
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}
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var a = document.createElement('a');
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a.href = details.url;
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a.setAttribute('download', details.filename || '');
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a.setAttribute('type', 'text/plain');
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a.dispatchEvent(new MouseEvent('click'));
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};
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/******************************************************************************/
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vAPI.getURL = chrome.runtime.getURL;
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/******************************************************************************/
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vAPI.i18n = chrome.i18n.getMessage;
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// http://www.w3.org/International/questions/qa-scripts#directions
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document.body.setAttribute(
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'dir',
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['ar', 'he', 'fa', 'ps', 'ur'].indexOf(vAPI.i18n('@@ui_locale')) !== -1
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? 'rtl'
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: 'ltr'
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);
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/******************************************************************************/
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// https://github.com/gorhill/uBlock/issues/3057
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// - webNavigation.onCreatedNavigationTarget become broken on Firefox when we
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// try to make the popup panel close itself using the original
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// `window.open('', '_self').close()`.
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vAPI.closePopup = function() {
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if ( vAPI.webextFlavor.soup.has('firefox') ) {
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window.close();
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return;
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}
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// TODO: try to figure why this was used instead of a plain window.close().
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// https://github.com/gorhill/uBlock/commit/b301ac031e0c2e9a99cb6f8953319d44e22f33d2#diff-bc664f26b9c453e0d43a9379e8135c6a
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window.open('', '_self').close();
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};
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/******************************************************************************/
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// A localStorage-like object which should be accessible from the
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// background page or auxiliary pages.
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// This storage is optional, but it is nice to have, for a more polished user
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// experience.
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// https://github.com/gorhill/uBlock/issues/2824
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// Use a dummy localStorage if for some reasons it's not available.
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// https://github.com/gorhill/uMatrix/issues/840
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// Always use a wrapper to seamlessly handle exceptions
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vAPI.localStorage = {
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clear: function() {
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try {
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window.localStorage.clear();
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} catch(ex) {
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}
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},
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getItem: function(key) {
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try {
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return window.localStorage.getItem(key);
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} catch(ex) {
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}
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return null;
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},
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removeItem: function(key) {
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try {
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window.localStorage.removeItem(key);
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} catch(ex) {
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}
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},
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setItem: function(key, value) {
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try {
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window.localStorage.setItem(key, value);
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} catch(ex) {
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}
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}
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};
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/******************************************************************************/
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})(this);
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/*******************************************************************************
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DO NOT:
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- Remove the following code
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- Add code beyond the following code
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Reason:
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- https://github.com/gorhill/uBlock/pull/3721
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- uBO never uses the return value from injected content scripts
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**/
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void 0;
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