You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
609 lines
19 KiB
609 lines
19 KiB
/*******************************************************************************
|
|
|
|
µBlock - a browser extension to block requests.
|
|
Copyright (C) 2014 The µBlock authors
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see {http://www.gnu.org/licenses/}.
|
|
|
|
Home: https://github.com/gorhill/uBlock
|
|
*/
|
|
|
|
/* global self, µBlock */
|
|
|
|
// For background page
|
|
|
|
/******************************************************************************/
|
|
|
|
(function() {
|
|
|
|
'use strict';
|
|
|
|
/******************************************************************************/
|
|
|
|
var vAPI = self.vAPI = self.vAPI || {};
|
|
|
|
var chrome = self.chrome;
|
|
var manifest = chrome.runtime.getManifest();
|
|
|
|
vAPI.chrome = true;
|
|
|
|
var noopFunc = function(){};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.app = {
|
|
name: manifest.name,
|
|
version: manifest.version
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.app.restart = function() {
|
|
chrome.runtime.reload();
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.storage = chrome.storage.local;
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs = {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.isNoTabId = function(tabId) {
|
|
return tabId.toString() === '-1';
|
|
};
|
|
|
|
vAPI.noTabId = '-1';
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.registerListeners = function() {
|
|
if ( typeof this.onNavigation === 'function' ) {
|
|
chrome.webNavigation.onCommitted.addListener(this.onNavigation);
|
|
}
|
|
|
|
if ( typeof this.onUpdated === 'function' ) {
|
|
chrome.tabs.onUpdated.addListener(this.onUpdated);
|
|
}
|
|
|
|
if ( typeof this.onClosed === 'function' ) {
|
|
chrome.tabs.onRemoved.addListener(this.onClosed);
|
|
}
|
|
|
|
if ( typeof this.onPopup === 'function' ) {
|
|
chrome.webNavigation.onCreatedNavigationTarget.addListener(this.onPopup);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.get = function(tabId, callback) {
|
|
var onTabReady = function(tab) {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
// Caller must be prepared to deal with nil tab value
|
|
callback(tab);
|
|
};
|
|
if ( tabId !== null ) {
|
|
if ( typeof tabId === 'string' ) {
|
|
tabId = parseInt(tabId, 10);
|
|
}
|
|
chrome.tabs.get(tabId, onTabReady);
|
|
return;
|
|
}
|
|
var onTabReceived = function(tabs) {
|
|
// https://code.google.com/p/chromium/issues/detail?id=410868#c8
|
|
if ( chrome.runtime.lastError ) {
|
|
/* noop */
|
|
}
|
|
callback(tabs[0]);
|
|
};
|
|
chrome.tabs.query({ active: true, currentWindow: true }, onTabReceived);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// properties of the details object:
|
|
// 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
|
|
// active: false, // opens the tab in background - true and undefined: foreground
|
|
// select: true // if a tab is already opened with that url, then select it instead of opening a new one
|
|
|
|
vAPI.tabs.open = function(details) {
|
|
var targetURL = details.url;
|
|
if ( typeof targetURL !== 'string' || targetURL === '' ) {
|
|
return null;
|
|
}
|
|
// extension pages
|
|
if ( /^[\w-]{2,}:/.test(targetURL) !== true ) {
|
|
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
|
|
};
|
|
|
|
if ( details.tabId ) {
|
|
// update doesn't accept index, must use move
|
|
chrome.tabs.update(parseInt(details.tabId, 10), _details, function(tab) {
|
|
// if the tab doesn't exist
|
|
if ( vAPI.lastError() ) {
|
|
chrome.tabs.create(_details);
|
|
} else if ( details.index !== undefined ) {
|
|
chrome.tabs.move(tab.id, {index: details.index});
|
|
}
|
|
});
|
|
} else {
|
|
if ( details.index !== undefined ) {
|
|
_details.index = details.index;
|
|
}
|
|
|
|
chrome.tabs.create(_details);
|
|
}
|
|
};
|
|
|
|
if ( details.index === -1 ) {
|
|
vAPI.tabs.get(null, function(tab) {
|
|
if ( tab ) {
|
|
details.index = tab.index + 1;
|
|
} else {
|
|
delete details.index;
|
|
}
|
|
|
|
subWrapper();
|
|
});
|
|
}
|
|
else {
|
|
subWrapper();
|
|
}
|
|
};
|
|
|
|
if ( details.select ) {
|
|
chrome.tabs.query({ currentWindow: true }, function(tabs) {
|
|
var rgxHash = /#.*/;
|
|
// this is questionable
|
|
var url = targetURL.replace(rgxHash, '');
|
|
var selected = tabs.some(function(tab) {
|
|
if ( tab.url.replace(rgxHash, '') === url ) {
|
|
chrome.tabs.update(tab.id, { active: true });
|
|
return true;
|
|
}
|
|
});
|
|
|
|
if ( !selected ) {
|
|
wrapper();
|
|
}
|
|
});
|
|
}
|
|
else {
|
|
wrapper();
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.remove = function(tabId) {
|
|
var onTabRemoved = function() {
|
|
if ( vAPI.lastError() ) {
|
|
}
|
|
};
|
|
chrome.tabs.remove(parseInt(tabId, 10), onTabRemoved);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.tabs.reload = function(tabId /*, flags*/) {
|
|
if ( typeof tabId === 'string' ) {
|
|
tabId = parseInt(tabId, 10);
|
|
}
|
|
chrome.tabs.reload(tabId);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
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 ) {
|
|
}
|
|
if ( typeof callback === 'function' ) {
|
|
callback();
|
|
}
|
|
};
|
|
if ( tabId ) {
|
|
tabId = parseInt(tabId, 10);
|
|
chrome.tabs.executeScript(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/gorhill/uBlock/issues/19
|
|
// https://github.com/gorhill/uBlock/issues/207
|
|
// Since we may be called asynchronously, the tab id may not exist
|
|
// anymore, so this ensures it does still exist.
|
|
|
|
vAPI.setIcon = function(tabId, iconStatus, badge) {
|
|
tabId = parseInt(tabId, 10);
|
|
var onIconReady = function() {
|
|
if ( vAPI.lastError() ) {
|
|
return;
|
|
}
|
|
chrome.browserAction.setBadgeText({ tabId: tabId, text: badge });
|
|
if ( badge !== '' ) {
|
|
chrome.browserAction.setBadgeBackgroundColor({
|
|
tabId: tabId,
|
|
color: '#666'
|
|
});
|
|
}
|
|
};
|
|
|
|
var iconPaths = iconStatus === 'on' ?
|
|
{ '19': 'img/browsericons/icon19.png', '38': 'img/browsericons/icon38.png' } :
|
|
{ '19': 'img/browsericons/icon19-off.png', '38': 'img/browsericons/icon38-off.png' };
|
|
|
|
chrome.browserAction.setIcon({ tabId: tabId, path: iconPaths }, onIconReady);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging = {
|
|
ports: {},
|
|
listeners: {},
|
|
defaultHandler: null,
|
|
NOOPFUNC: noopFunc,
|
|
UNHANDLED: 'vAPI.messaging.notHandled'
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.listen = function(listenerName, callback) {
|
|
this.listeners[listenerName] = callback;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onPortMessage = function(request, port) {
|
|
var callback = vAPI.messaging.NOOPFUNC;
|
|
if ( request.requestId !== undefined ) {
|
|
callback = CallbackWrapper.factory(port, request).callback;
|
|
}
|
|
|
|
// Specific handler
|
|
var r = vAPI.messaging.UNHANDLED;
|
|
var listener = vAPI.messaging.listeners[request.channelName];
|
|
if ( typeof listener === 'function' ) {
|
|
r = listener(request.msg, port.sender, callback);
|
|
}
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
// Default handler
|
|
r = vAPI.messaging.defaultHandler(request.msg, port.sender, callback);
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
console.error('µBlock> messaging > unknown request: %o', request);
|
|
|
|
// 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.onPortDisconnect = function(port) {
|
|
port.onDisconnect.removeListener(vAPI.messaging.onPortDisconnect);
|
|
port.onMessage.removeListener(vAPI.messaging.onPortMessage);
|
|
delete vAPI.messaging.ports[port.name];
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onPortConnect = function(port) {
|
|
port.onDisconnect.addListener(vAPI.messaging.onPortDisconnect);
|
|
port.onMessage.addListener(vAPI.messaging.onPortMessage);
|
|
vAPI.messaging.ports[port.name] = port;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
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 portName in this.ports ) {
|
|
if ( this.ports.hasOwnProperty(portName) === false ) {
|
|
continue;
|
|
}
|
|
this.ports[portName].postMessage(messageWrapper);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// This allows to avoid creating a closure for every single message which
|
|
// expects an answer. Having a closure created each time a message is processed
|
|
// has been always bothering me. Another benefit of the implementation here
|
|
// is to reuse the callback proxy object, so less memory churning.
|
|
//
|
|
// https://developers.google.com/speed/articles/optimizing-javascript
|
|
// "Creating a closure is significantly slower then creating an inner
|
|
// function without a closure, and much slower than reusing a static
|
|
// function"
|
|
//
|
|
// http://hacksoflife.blogspot.ca/2015/01/the-four-horsemen-of-performance.html
|
|
// "the dreaded 'uniformly slow code' case where every function takes 1%
|
|
// of CPU and you have to make one hundred separate performance optimizations
|
|
// to improve performance at all"
|
|
//
|
|
// http://jsperf.com/closure-no-closure/2
|
|
|
|
var CallbackWrapper = function(port, request) {
|
|
// No need to bind every single time
|
|
this.callback = this.proxy.bind(this);
|
|
this.messaging = vAPI.messaging;
|
|
this.init(port, request);
|
|
};
|
|
|
|
CallbackWrapper.junkyard = [];
|
|
|
|
CallbackWrapper.factory = function(port, request) {
|
|
var wrapper = CallbackWrapper.junkyard.pop();
|
|
if ( wrapper ) {
|
|
wrapper.init(port, request);
|
|
return wrapper;
|
|
}
|
|
return new CallbackWrapper(port, request);
|
|
};
|
|
|
|
CallbackWrapper.prototype.init = function(port, request) {
|
|
this.port = port;
|
|
this.request = request;
|
|
};
|
|
|
|
CallbackWrapper.prototype.proxy = function(response) {
|
|
// https://github.com/gorhill/uBlock/issues/383
|
|
if ( this.messaging.ports.hasOwnProperty(this.port.name) ) {
|
|
this.port.postMessage({
|
|
requestId: this.request.requestId,
|
|
channelName: this.request.channelName,
|
|
msg: response !== undefined ? response : null
|
|
});
|
|
}
|
|
// Mark for reuse
|
|
this.port = this.request = null;
|
|
CallbackWrapper.junkyard.push(this);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net = {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net.registerListeners = function() {
|
|
var µb = µBlock;
|
|
var µburi = µb.URI;
|
|
|
|
var normalizeRequestDetails = function(details) {
|
|
µburi.set(details.url);
|
|
|
|
details.tabId = details.tabId.toString();
|
|
details.hostname = µburi.hostnameFromURI(details.url);
|
|
|
|
// The rest of the function code is to normalize type
|
|
var type = details.type;
|
|
if ( type !== 'other' ) {
|
|
return;
|
|
}
|
|
var path = µburi.path;
|
|
var pos = path.lastIndexOf('.');
|
|
|
|
// https://github.com/gorhill/uBlock/issues/862
|
|
// If no transposition possible, transpose to `object` as per
|
|
// Chromium bug 410382 (see below)
|
|
if ( pos === -1 ) {
|
|
details.type = 'object';
|
|
return;
|
|
}
|
|
|
|
var ext = path.slice(pos) + '.';
|
|
if ( '.eot.ttf.otf.svg.woff.woff2.'.indexOf(ext) !== -1 ) {
|
|
details.type = 'font';
|
|
return;
|
|
}
|
|
// Still need this because often behind-the-scene requests are wrongly
|
|
// categorized as 'other'
|
|
if ( '.ico.png.gif.jpg.jpeg.webp.'.indexOf(ext) !== -1 ) {
|
|
details.type = 'image';
|
|
return;
|
|
}
|
|
// https://code.google.com/p/chromium/issues/detail?id=410382
|
|
if ( type === 'other' ) {
|
|
details.type = 'object';
|
|
return;
|
|
}
|
|
};
|
|
|
|
var onBeforeRequestClient = this.onBeforeRequest.callback;
|
|
var onBeforeRequest = function(details) {
|
|
normalizeRequestDetails(details);
|
|
return onBeforeRequestClient(details);
|
|
};
|
|
chrome.webRequest.onBeforeRequest.addListener(
|
|
onBeforeRequest,
|
|
//function(details) {
|
|
// quickProfiler.start('onBeforeRequest');
|
|
// var r = onBeforeRequest(details);
|
|
// quickProfiler.stop();
|
|
// return r;
|
|
//},
|
|
{
|
|
'urls': this.onBeforeRequest.urls || ['<all_urls>'],
|
|
'types': this.onBeforeRequest.types || []
|
|
},
|
|
this.onBeforeRequest.extra
|
|
);
|
|
|
|
chrome.webRequest.onBeforeSendHeaders.addListener(
|
|
this.onBeforeSendHeaders.callback,
|
|
{
|
|
'urls': this.onBeforeSendHeaders.urls || ['<all_urls>'],
|
|
'types': this.onBeforeSendHeaders.types || []
|
|
},
|
|
this.onBeforeSendHeaders.extra
|
|
);
|
|
|
|
var onHeadersReceivedClient = this.onHeadersReceived.callback;
|
|
var onHeadersReceived = function(details) {
|
|
normalizeRequestDetails(details);
|
|
return onHeadersReceivedClient(details);
|
|
};
|
|
chrome.webRequest.onHeadersReceived.addListener(
|
|
onHeadersReceived,
|
|
{
|
|
'urls': this.onHeadersReceived.urls || ['<all_urls>'],
|
|
'types': this.onHeadersReceived.types || []
|
|
},
|
|
this.onHeadersReceived.extra
|
|
);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu = {
|
|
create: function(details, callback) {
|
|
this.menuId = details.id;
|
|
this.callback = callback;
|
|
chrome.contextMenus.create(details);
|
|
chrome.contextMenus.onClicked.addListener(this.callback);
|
|
},
|
|
remove: function() {
|
|
chrome.contextMenus.onClicked.removeListener(this.callback);
|
|
chrome.contextMenus.remove(this.menuId);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
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 scriptEnd = function(tabId) {
|
|
if ( vAPI.lastError() ) {
|
|
return;
|
|
}
|
|
vAPI.tabs.injectScript(tabId, {
|
|
file: 'js/contentscript-end.js',
|
|
allFrames: true,
|
|
runAt: 'document_idle'
|
|
}, scriptDone);
|
|
};
|
|
var scriptStart = function(tabId) {
|
|
vAPI.tabs.injectScript(tabId, {
|
|
file: 'js/vapi-client.js',
|
|
allFrames: true,
|
|
runAt: 'document_start'
|
|
}, function(){ });
|
|
vAPI.tabs.injectScript(tabId, {
|
|
file: 'js/contentscript-start.js',
|
|
allFrames: true,
|
|
runAt: 'document_start'
|
|
}, function(){ scriptEnd(tabId); });
|
|
};
|
|
var bindToTabs = function(tabs) {
|
|
var µb = µBlock;
|
|
var i = tabs.length, tab;
|
|
while ( i-- ) {
|
|
tab = tabs[i];
|
|
µb.bindTabToPageStats(tab.id, tab.url);
|
|
// https://github.com/gorhill/uBlock/issues/129
|
|
scriptStart(tab.id);
|
|
}
|
|
};
|
|
|
|
chrome.tabs.query({ url: 'http://*/*' }, bindToTabs);
|
|
chrome.tabs.query({ url: 'https://*/*' }, bindToTabs);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.punycodeHostname = function(hostname) {
|
|
return hostname;
|
|
};
|
|
|
|
vAPI.punycodeURL = function(url) {
|
|
return url;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
})();
|
|
|
|
/******************************************************************************/
|