mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-10 09:07:54 +01:00
918 lines
26 KiB
JavaScript
918 lines
26 KiB
JavaScript
/*******************************************************************************
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µBlock - a Chromium browser extension to block requests.
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Copyright (C) 2014 The µBlock 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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/* global Services, CustomizableUI */
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// For background page
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
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Cu['import']('resource://gre/modules/Services.jsm');
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Cu['import']('resource:///modules/CustomizableUI.jsm');
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/******************************************************************************/
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self.vAPI = self.vAPI || {};
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vAPI.firefox = true;
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/******************************************************************************/
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vAPI.app = {
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name: 'µBlock',
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version: '0.7.2.0',
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cleanName: location.host
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};
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/******************************************************************************/
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vAPI.app.restart = function() {};
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/******************************************************************************/
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// list of things that needs to be destroyed when disabling the extension
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vAPI.unload = [];
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/******************************************************************************/
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var SQLite = {
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open: function() {
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var path = Services.dirsvc.get('ProfD', Ci.nsIFile);
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path.append('extension-data');
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if (!path.exists()) {
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path.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0774', 8));
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}
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if (!path.isDirectory()) {
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throw Error('Should be a directory...');
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}
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path.append(vAPI.app.cleanName + '.sqlite');
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this.db = Services.storage.openDatabase(path);
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this.db.executeSimpleSQL(
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'CREATE TABLE IF NOT EXISTS settings' +
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'(name TEXT PRIMARY KEY NOT NULL, value TEXT);'
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);
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vAPI.unload.push(function() {
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SQLite.run('VACUUM');
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SQLite.db.asyncClose();
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});
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},
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run: function(query, values, callback) {
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if (!this.db) {
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this.open();
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}
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var result = {};
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query = this.db.createAsyncStatement(query);
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if (Array.isArray(values) && values.length) {
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var i = values.length;
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while (i--) {
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query.bindByIndex(i, values[i]);
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}
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}
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query.executeAsync({
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handleResult: function(rows) {
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if (!rows || typeof callback !== 'function') {
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return;
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}
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var row;
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while (row = rows.getNextRow()) {
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// we assume that there will be two columns, since we're
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// using it only for preferences
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result[row.getResultByIndex(0)] = row.getResultByIndex(1);
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}
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},
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handleCompletion: function(reason) {
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if (typeof callback === 'function' && reason === 0) {
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callback(result);
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}
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},
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handleError: function(error) {
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console.error('SQLite error ', error.result, error.message);
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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.storage = {
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QUOTA_BYTES: 100 * 1024 * 1024,
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sqlWhere: function(col, params) {
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if (params > 0) {
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params = Array(params + 1).join('?, ').slice(0, -2);
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return ' WHERE ' + col + ' IN (' + params + ')';
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}
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return '';
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},
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get: function(details, callback) {
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if (typeof callback !== 'function') {
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return;
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}
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var values = [], defaults = false;
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if (details !== null) {
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if (Array.isArray(details)) {
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values = details;
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}
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else if (typeof details === 'object') {
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defaults = true;
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values = Object.keys(details);
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}
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else {
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values = [details.toString()];
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}
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}
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SQLite.run(
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'SELECT * FROM settings' + this.sqlWhere('name', values.length),
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values,
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function(result) {
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var key;
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for (key in result) {
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result[key] = JSON.parse(result[key]);
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}
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if (defaults) {
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for (key in details) {
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if (!result[key]) {
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result[key] = details[key];
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}
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}
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}
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callback(result);
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}
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);
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},
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set: function(details, callback) {
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var key, values = [], placeholders = [];
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for (key in details) {
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values.push(key);
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values.push(JSON.stringify(details[key]));
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placeholders.push('?, ?');
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}
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if (!values.length) {
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return;
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}
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SQLite.run(
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'INSERT OR REPLACE INTO settings (name, value) SELECT ' +
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placeholders.join(' UNION SELECT '),
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values,
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callback
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);
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},
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remove: function(keys, callback) {
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if (typeof keys === 'string') {
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keys = [keys];
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}
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SQLite.run(
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'DELETE FROM settings' + this.sqlWhere('name', keys.length),
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keys,
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callback
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);
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},
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clear: function(callback) {
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SQLite.run('DELETE FROM settings', null, callback);
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SQLite.run('VACUUM');
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},
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getBytesInUse: function(keys, callback) {
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if (typeof callback !== 'function') {
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return;
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}
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SQLite.run(
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'SELECT "size" AS size, SUM(LENGTH(value)) FROM settings' +
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this.sqlWhere('name', Array.isArray(keys) ? keys.length : 0),
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keys,
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function(result) {
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callback(result.size);
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}
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);
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}
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};
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/******************************************************************************/
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var windowWatcher = {
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onTabClose: function(e) {
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var tabId = vAPI.tabs.getTabId(e.target);
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vAPI.tabs.onClosed(tabId);
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delete vAPI.tabIcons[tabId];
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},
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onTabSelect: function(e) {
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vAPI.setIcon(
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vAPI.tabs.getTabId(e.target),
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e.target.ownerDocument.defaultView
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);
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},
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onLoad: function(e) {
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if (e) {
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this.removeEventListener('load', windowWatcher.onLoad);
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}
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var docElement = this.document.documentElement;
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if (docElement.getAttribute('windowtype') !== 'navigator:browser') {
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return;
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}
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if (!this.gBrowser || !this.gBrowser.tabContainer) {
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return;
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}
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var tC = this.gBrowser.tabContainer;
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this.gBrowser.addTabsProgressListener(tabsProgressListener);
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tC.addEventListener('TabClose', windowWatcher.onTabClose);
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tC.addEventListener('TabSelect', windowWatcher.onTabSelect);
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vAPI.toolbarButton.add(this.document);
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// when new window is opened TabSelect doesn't run on the selected tab?
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},
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observe: function(win, topic) {
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if (topic === 'domwindowopened') {
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win.addEventListener('load', this.onLoad);
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}
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}
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};
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/******************************************************************************/
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var tabsProgressListener = {
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onLocationChange: function(browser, webProgress, request, location, flags) {
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if (!webProgress.isTopLevel) {
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return;
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}
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var tabId = vAPI.tabs.getTabId(browser);
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if (flags & 1) {
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vAPI.tabs.onUpdated(tabId, {url: location.spec}, {
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frameId: 0,
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tabId: tabId,
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url: browser.currentURI.spec
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});
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}
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else {
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vAPI.tabs.onNavigation({
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frameId: 0,
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tabId: tabId,
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url: location.spec
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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.tabs.registerListeners = function() {
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// onNavigation and onUpdated handled with tabsProgressListener
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// onClosed - handled in windowWatcher.onTabClose
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// onPopup ?
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Services.ww.registerNotification(windowWatcher);
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for (var win of this.getWindows()) {
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windowWatcher.onLoad.call(win);
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}
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vAPI.toolbarButton.init();
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vAPI.unload.push(function() {
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Services.ww.unregisterNotification(windowWatcher);
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for (var win of vAPI.tabs.getWindows()) {
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vAPI.toolbarButton.remove(win.document);
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win.removeEventListener('load', windowWatcher.onLoad);
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win.gBrowser.removeTabsProgressListener(tabsProgressListener);
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var tC = win.gBrowser.tabContainer;
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tC.removeEventListener('TabClose', windowWatcher.onTabClose);
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tC.removeEventListener('TabSelect', windowWatcher.onTabSelect);
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// close extension tabs
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for (var tab of win.gBrowser.tabs) {
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var URI = tab.linkedBrowser.currentURI;
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if (URI.scheme === 'chrome' && URI.host === vAPI.app.cleanName) {
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win.gBrowser.removeTab(tab);
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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.getTabId = function(target) {
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if (target.linkedPanel) {
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return target.linkedPanel.slice(6);
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}
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var gBrowser = target.ownerDocument.defaultView.gBrowser;
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var i = gBrowser.browsers.indexOf(target);
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if (i !== -1) {
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i = gBrowser.tabs[i].linkedPanel.slice(6);
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}
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return i;
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};
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/******************************************************************************/
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vAPI.tabs.get = function(tabId, callback) {
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var tab, windows;
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if (tabId === null) {
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tab = Services.wm.getMostRecentWindow('navigator:browser').gBrowser.selectedTab;
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tabId = vAPI.tabs.getTabId(tab);
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}
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else {
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windows = this.getWindows();
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for (var win of windows) {
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tab = win.gBrowser.tabContainer.querySelector(
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'tab[linkedpanel="panel-' + tabId + '"]'
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);
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if (tab) {
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break;
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}
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}
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}
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if (!tab) {
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callback();
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return;
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}
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var browser = tab.linkedBrowser;
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var gBrowser = browser.ownerDocument.defaultView.gBrowser;
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if (!windows) {
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windows = this.getWindows();
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}
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callback({
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id: tabId,
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index: gBrowser.browsers.indexOf(browser),
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windowId: windows.indexOf(browser.ownerDocument.defaultView),
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active: tab === gBrowser.selectedTab,
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url: browser.currentURI.spec,
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title: tab.label
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});
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};
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/******************************************************************************/
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vAPI.tabs.getAll = function(window) {
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var tabs = [];
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for (var win of this.getWindows()) {
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if (window && window !== win) {
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continue;
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}
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for (var tab of win.gBrowser.tabs) {
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tabs.push(tab);
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}
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}
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return tabs;
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};
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/******************************************************************************/
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vAPI.tabs.getWindows = function() {
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var winumerator = Services.wm.getEnumerator('navigator:browser');
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var windows = [];
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while (winumerator.hasMoreElements()) {
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var win = winumerator.getNext();
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if (!win.closed) {
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windows.push(win);
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}
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}
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return windows;
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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
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// tabId: 1, // the tab is used if set, instead of creating a new one
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// 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
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vAPI.tabs.open = function(details) {
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if (!details.url) {
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return null;
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}
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// extension pages
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if (!/^[\w-]{2,}:/.test(details.url)) {
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details.url = vAPI.getURL(details.url);
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}
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var tab, tabs;
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if (details.select) {
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var rgxHash = /#.*/;
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// this is questionable
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var url = details.url.replace(rgxHash, '');
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tabs = this.getAll();
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for (tab of tabs) {
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var browser = tab.linkedBrowser;
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if (browser.currentURI.spec.replace(rgxHash, '') === url) {
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browser.ownerDocument.defaultView.gBrowser.selectedTab = tab;
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return;
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}
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}
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}
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if (details.active === undefined) {
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details.active = true;
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}
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var gBrowser = Services.wm.getMostRecentWindow('navigator:browser').gBrowser;
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if (details.index === -1) {
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details.index = gBrowser.browsers.indexOf(gBrowser.selectedBrowser) + 1;
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}
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if (details.tabId) {
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tabs = tabs || this.getAll();
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for (tab of tabs) {
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if (vAPI.tabs.getTabId(tab) === details.tabId) {
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tab.linkedBrowser.loadURI(details.url);
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return;
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}
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}
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}
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tab = gBrowser.loadOneTab(details.url, {inBackground: !details.active});
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if (details.index !== undefined) {
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gBrowser.moveTabTo(tab, details.index);
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}
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};
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/******************************************************************************/
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vAPI.tabs.close = function(tabIds) {
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if (!Array.isArray(tabIds)) {
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tabIds = [tabIds];
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}
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tabIds = tabIds.map(function(tabId) {
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return 'tab[linkedpanel="panel-' + tabId + '"]';
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}).join(',');
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for (var win of this.getWindows()) {
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var tabs = win.gBrowser.tabContainer.querySelectorAll(tabIds);
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if (!tabs) {
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continue;
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}
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for (var tab of tabs) {
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win.gBrowser.removeTab(tab);
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}
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}
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};
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/******************************************************************************/
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vAPI.tabs.injectScript = function(tabId, details, callback) {
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};
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/******************************************************************************/
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vAPI.tabIcons = { /*tabId: {badge: 0, img: dict}*/ };
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vAPI.setIcon = function(tabId, img, badge) {
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var curWin = badge === undefined ? img : Services.wm.getMostRecentWindow('navigator:browser');
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var curTabId = vAPI.tabs.getTabId(curWin.gBrowser.selectedTab);
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// from 'TabSelect' event
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if (tabId === undefined) {
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tabId = curTabId;
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}
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else if (badge !== undefined) {
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vAPI.tabIcons[tabId] = {
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badge: badge === '>1K' ? '1k+' : badge,
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img: img && img[19] && img[19].replace(/19(-off)?\.png$/, '16$1.svg')
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};
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}
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if (tabId !== curTabId) {
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return;
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}
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var button = curWin.document.getElementById(vAPI.toolbarButton.widgetId);
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var icon = vAPI.tabIcons[tabId];
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button.setAttribute('badge', icon && icon.badge || '');
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button.style.listStyleImage = 'url(' + vAPI.getURL(icon && icon.img || 'img/browsericons/icon16-off.svg') + ')';
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};
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/******************************************************************************/
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vAPI.toolbarButton = {
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widgetId: vAPI.app.cleanName + '-button',
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panelId: vAPI.app.cleanName + '-panel'
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};
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|
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/******************************************************************************/
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|
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vAPI.toolbarButton.init = function() {
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CustomizableUI.createWidget({
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id: this.widgetId,
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type: 'view',
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viewId: this.panelId,
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defaultArea: CustomizableUI.AREA_NAVBAR,
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label: vAPI.app.name,
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tooltiptext: vAPI.app.name,
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onViewShowing: function(e) {
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e.target.firstChild.setAttribute('src', vAPI.getURL('popup.html'));
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},
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onViewHiding: function(e) {
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e.target.firstChild.setAttribute('src', 'about:blank');
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}
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});
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vAPI.unload.push(function() {
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CustomizableUI.destroyWidget(vAPI.toolbarButton.widgetId);
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});
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};
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/******************************************************************************/
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|
|
|
// it runs with windowWatcher when a window is opened
|
|
// vAPI.tabs.registerListeners initializes it
|
|
|
|
vAPI.toolbarButton.add = function(doc) {
|
|
var panel = doc.createElement('panelview');
|
|
panel.id = this.panelId;
|
|
|
|
var iframe = panel.appendChild(doc.createElement('iframe'));
|
|
iframe.setAttribute('type', 'content');
|
|
|
|
panel.style.cssText = iframe.style.cssText
|
|
= 'width: 180px; height: 310px; transition: width .1s, height .1s; overflow: hidden';
|
|
|
|
doc.getElementById('PanelUI-multiView')
|
|
.appendChild(panel)
|
|
.appendChild(iframe);
|
|
|
|
var updateTimer = null;
|
|
var delayedResize = function() {
|
|
if (updateTimer) {
|
|
return;
|
|
}
|
|
|
|
updateTimer = setTimeout(resizePopup, 20);
|
|
};
|
|
|
|
var resizePopup = function() {
|
|
var panelStyle = panel.style;
|
|
var body = iframe.contentDocument.body;
|
|
panelStyle.width = iframe.style.width = body.clientWidth + 'px';
|
|
panelStyle.height = iframe.style.height = body.clientHeight + 'px';
|
|
updateTimer = null;
|
|
};
|
|
|
|
var onPopupReady = function() {
|
|
if (!this.contentWindow
|
|
|| this.contentWindow.location.host !== vAPI.app.cleanName) {
|
|
return;
|
|
}
|
|
|
|
var mutObs = this.contentWindow.MutationObserver;
|
|
|
|
(new mutObs(delayedResize)).observe(this.contentDocument, {
|
|
childList: true,
|
|
attributes: true,
|
|
characterData: true,
|
|
subtree: true
|
|
});
|
|
|
|
delayedResize();
|
|
};
|
|
|
|
iframe.addEventListener('load', onPopupReady, true);
|
|
|
|
if (!this.styleURI) {
|
|
this.styleURI = 'data:text/css,' + encodeURIComponent([
|
|
'#' + this.widgetId + ' {',
|
|
'list-style-image: url(',
|
|
vAPI.getURL('img/browsericons/icon16-off.svg'),
|
|
');',
|
|
'}',
|
|
'#' + this.widgetId + '[badge]:not([badge=""])::after {',
|
|
'position: absolute;',
|
|
'margin-left: -16px;',
|
|
'margin-top: 3px;',
|
|
'padding: 1px 2px;',
|
|
'font-size: 9px;',
|
|
'font-weight: bold;',
|
|
'color: #fff;',
|
|
'background: #666;',
|
|
'content: attr(badge);',
|
|
'}'
|
|
].join(''));
|
|
|
|
this.styleURI = Services.io.newURI(this.styleURI, null, null);
|
|
}
|
|
|
|
doc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor).
|
|
getInterface(Ci.nsIDOMWindowUtils).loadSheet(this.styleURI, 1);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.remove = function(doc) {
|
|
var panel = doc.getElementById(this.panelId);
|
|
panel.parentNode.removeChild(panel);
|
|
doc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor).
|
|
getInterface(Ci.nsIDOMWindowUtils).removeSheet(this.styleURI, 1);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging = {
|
|
get globalMessageManager() {
|
|
return Cc['@mozilla.org/globalmessagemanager;1']
|
|
.getService(Ci.nsIMessageListenerManager);
|
|
},
|
|
frameScript: vAPI.getURL('frameScript.js'),
|
|
listeners: {},
|
|
defaultHandler: null,
|
|
NOOPFUNC: function(){},
|
|
UNHANDLED: 'vAPI.messaging.notHandled'
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.listen = function(listenerName, callback) {
|
|
this.listeners[listenerName] = callback;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onMessage = function(request) {
|
|
var messageManager = request.target.messageManager;
|
|
|
|
if (!messageManager) {
|
|
// Message came from a popup, and its message manager is not usable.
|
|
// So instead we broadcast to the parent window.
|
|
messageManager = request.target
|
|
.webNavigation.QueryInterface(Ci.nsIDocShell)
|
|
.chromeEventHandler.ownerDocument.defaultView.messageManager;
|
|
}
|
|
|
|
var listenerId = request.data.portName.split('|');
|
|
var requestId = request.data.requestId;
|
|
var portName = listenerId[1];
|
|
listenerId = listenerId[0];
|
|
|
|
var callback = vAPI.messaging.NOOPFUNC;
|
|
if ( requestId !== undefined ) {
|
|
callback = function(response) {
|
|
var message = JSON.stringify({
|
|
requestId: requestId,
|
|
portName: portName,
|
|
msg: response !== undefined ? response : null
|
|
});
|
|
|
|
if (messageManager.sendAsyncMessage) {
|
|
messageManager.sendAsyncMessage(listenerId, message);
|
|
}
|
|
else {
|
|
messageManager.broadcastAsyncMessage(listenerId, message);
|
|
}
|
|
};
|
|
}
|
|
|
|
var sender = {
|
|
tab: {
|
|
id: vAPI.tabs.getTabId(request.target)
|
|
}
|
|
};
|
|
|
|
// Specific handler
|
|
var r = vAPI.messaging.UNHANDLED;
|
|
var listener = vAPI.messaging.listeners[portName];
|
|
if ( typeof listener === 'function' ) {
|
|
r = listener(request.data.msg, sender, callback);
|
|
}
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
// Default handler
|
|
r = vAPI.messaging.defaultHandler(request.data.msg, sender, callback);
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
console.error('µBlock> messaging > unknown request: %o', request.data);
|
|
|
|
// Unhandled:
|
|
// Need to callback anyways in case caller expected an answer, or
|
|
// else there is a memory leak on caller's side
|
|
callback();
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
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;
|
|
|
|
this.globalMessageManager.addMessageListener(
|
|
vAPI.app.cleanName + ':background',
|
|
this.onMessage
|
|
);
|
|
|
|
this.globalMessageManager.loadFrameScript(vAPI.messaging.frameScript, true);
|
|
|
|
vAPI.unload.push(function() {
|
|
var gmm = vAPI.messaging.globalMessageManager;
|
|
|
|
gmm.removeDelayedFrameScript(vAPI.messaging.frameScript);
|
|
gmm.removeMessageListener(
|
|
vAPI.app.cleanName + ':background',
|
|
vAPI.messaging.onMessage
|
|
);
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.broadcast = function(message) {
|
|
this.globalMessageManager.broadcastAsyncMessage(
|
|
vAPI.app.cleanName + ':broadcast',
|
|
JSON.stringify({broadcast: true, msg: message})
|
|
);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net = {
|
|
beforeRequestMessageName: vAPI.app.cleanName + ':onBeforeRequest'
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net.registerListeners = function() {
|
|
var types = {
|
|
2: 'script',
|
|
3: 'image',
|
|
4: 'stylesheet',
|
|
5: 'object',
|
|
6: 'main_frame',
|
|
7: 'sub_frame',
|
|
11: 'xmlhttprequest'
|
|
};
|
|
|
|
var onBeforeRequest = this.onBeforeRequest;
|
|
|
|
this.onBeforeRequest = function(e) {
|
|
var details = e.data;
|
|
|
|
details.type = types[details.type] || 'other';
|
|
details.tabId = vAPI.tabs.getTabId(e.target);
|
|
|
|
if (onBeforeRequest.types.indexOf(details.type) === -1) {
|
|
return false;
|
|
}
|
|
|
|
var block = onBeforeRequest.callback(details);
|
|
|
|
if (block && typeof block === 'object') {
|
|
if (block.cancel === true) {
|
|
return true;
|
|
}
|
|
else if (block.redirectURL) {
|
|
return block.redirectURL;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
vAPI.messaging.globalMessageManager.addMessageListener(
|
|
this.beforeRequestMessageName,
|
|
this.onBeforeRequest
|
|
);
|
|
|
|
vAPI.unload.push(function() {
|
|
vAPI.messaging.globalMessageManager.removeMessageListener(
|
|
vAPI.net.beforeRequestMessageName,
|
|
vAPI.net.onBeforeRequest
|
|
);
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu = {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.create = function(details, callback) {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.remove = function() {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.lastError = function() {
|
|
return null;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// clean up when the extension is disabled
|
|
|
|
window.addEventListener('unload', function() {
|
|
for (var unload of vAPI.unload) {
|
|
unload();
|
|
}
|
|
|
|
// frameModule needs to be cleared too
|
|
var frameModule = {};
|
|
Cu['import'](vAPI.getURL('frameModule.js'), frameModule);
|
|
frameModule.contentPolicy.unregister();
|
|
frameModule.docObserver.unregister();
|
|
Cu.unload(vAPI.getURL('frameModule.js'));
|
|
});
|
|
|
|
/******************************************************************************/
|
|
|
|
})();
|
|
|
|
/******************************************************************************/
|