mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-15 07:22:28 +02:00
580 lines
15 KiB
JavaScript
580 lines
15 KiB
JavaScript
/*******************************************************************************
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µBlock - a Chromium browser extension to block requests.
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Copyright (C) 2014 Raymond Hill
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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 chrome, µBlock, YaMD5 */
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/******************************************************************************/
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/******************************************************************************/
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(function() {
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// popup.js
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/******************************************************************************/
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var getStats = function(request) {
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var µb = µBlock;
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var r = {
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globalBlockedRequestCount: µb.localSettings.blockedRequestCount,
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globalAllowedRequestCount: µb.localSettings.allowedRequestCount,
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tabId: request.tabId,
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pageURL: '',
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pageBlockedRequestCount: 0,
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pageAllowedRequestCount: 0,
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netFilteringSwitch: false,
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cosmeticFilteringSwitch: false,
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logRequests: µb.userSettings.logRequests
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};
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var pageStore = µb.pageStoreFromTabId(request.tabId);
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if ( pageStore ) {
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r.pageURL = pageStore.pageURL;
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r.pageHostname = pageStore.pageHostname;
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r.pageBlockedRequestCount = pageStore.perLoadBlockedRequestCount;
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r.pageAllowedRequestCount = pageStore.perLoadAllowedRequestCount;
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r.netFilteringSwitch = pageStore.getNetFilteringSwitch();
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}
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return r;
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};
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/******************************************************************************/
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var onMessage = function(request, sender, callback) {
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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case 'stats':
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response = getStats(request);
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break;
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case 'toggleNetFiltering':
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µBlock.toggleNetFilteringSwitch(
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request.url,
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request.scope,
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request.state
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);
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µBlock.updateBadgeAsync(request.tabId);
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break;
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case 'gotoPick':
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chrome.tabs.executeScript(request.tabId, { file: 'js/element-picker.js' });
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break;
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default:
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return µBlock.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('popup.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// contentscript-start.js
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(function() {
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var µb = µBlock;
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var onMessage = function(request, sender, callback) {
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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var pageStore;
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if ( sender && sender.tab ) {
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pageStore = µb.pageStoreFromTabId(sender.tab.id);
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}
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switch ( request.what ) {
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case 'retrieveDomainCosmeticSelectors':
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if ( pageStore && pageStore.getNetFilteringSwitch() ) {
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response = µb.cosmeticFilteringEngine.retrieveDomainSelectors(request);
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}
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break;
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µb.messaging.listen('contentscript-start.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// contentscript-end.js
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(function() {
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var µb = µBlock;
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/******************************************************************************/
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var tagNameToRequestTypeMap = {
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'embed': 'object',
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'iframe': 'sub_frame',
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'img': 'image',
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'object': 'object'
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};
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/******************************************************************************/
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// Evaluate many requests
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var filterRequests = function(pageStore, details) {
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details.pageDomain = µb.URI.domainFromHostname(details.pageHostname);
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var inRequests = details.requests;
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var outRequests = [];
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var request, result;
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var i = inRequests.length;
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while ( i-- ) {
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request = inRequests[i];
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if ( tagNameToRequestTypeMap.hasOwnProperty(request.tagName) === false ) {
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continue;
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}
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result = pageStore.filterRequest(
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details,
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tagNameToRequestTypeMap[request.tagName],
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request.url
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);
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if ( pageStore.boolFromResult(result) ) {
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outRequests.push(request);
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}
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}
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return {
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collapse: µb.userSettings.collapseBlocked,
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requests: outRequests
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};
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};
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/******************************************************************************/
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// Evaluate a single request
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var filterRequest = function(pageStore, details) {
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if ( tagNameToRequestTypeMap.hasOwnProperty(details.tagName) === false ) {
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return;
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}
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details.pageDomain = µb.URI.domainFromHostname(details.pageHostname);
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var result = pageStore.filterRequest(
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details,
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tagNameToRequestTypeMap[details.tagName],
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details.requestURL
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);
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if ( pageStore.boolFromResult(result) ) {
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return { collapse: µb.userSettings.collapseBlocked };
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}
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};
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/******************************************************************************/
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var onMessage = function(details, sender, callback) {
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// Async
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switch ( details.what ) {
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default:
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break;
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}
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// Sync
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var response;
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var pageStore;
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if ( sender && sender.tab ) {
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pageStore = µb.pageStoreFromTabId(sender.tab.id);
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}
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switch ( details.what ) {
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case 'retrieveGenericCosmeticSelectors':
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if ( pageStore && pageStore.getNetFilteringSwitch() ) {
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response = µb.cosmeticFilteringEngine.retrieveGenericSelectors(details);
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}
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break;
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case 'injectedSelectors':
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µb.cosmeticFilteringEngine.addToSelectorCache(details);
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break;
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// Evaluate many requests
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case 'filterRequests':
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if ( pageStore && pageStore.getNetFilteringSwitch() ) {
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response = filterRequests(pageStore, details);
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}
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break;
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// Evaluate a single request
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case 'filterRequest':
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if ( pageStore && pageStore.getNetFilteringSwitch() ) {
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response = filterRequest(pageStore, details);
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}
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break;
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default:
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return µb.messaging.defaultHandler(details, sender, callback);
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}
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callback(response);
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};
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µb.messaging.listen('contentscript-end.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// element-picker.js
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(function() {
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var onMessage = function(request, sender, callback) {
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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case 'i18n':
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response = {
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create: chrome.i18n.getMessage('pickerCreate'),
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pick: chrome.i18n.getMessage('pickerPick'),
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quit: chrome.i18n.getMessage('pickerQuit'),
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netFilters: chrome.i18n.getMessage('pickerNetFilters'),
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cosmeticFilters: chrome.i18n.getMessage('pickerCosmeticFilters')
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};
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break;
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case 'createUserFilter':
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µBlock.appendUserFilters(request.filters);
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break;
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default:
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return µBlock.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('element-picker.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// 3p-filters.js
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(function() {
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var getLists = function(callback) {
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var µb = µBlock;
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var r = {
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available: null,
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current: µb.remoteBlacklists,
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cosmetic: µb.userSettings.parseAllABPHideFilters,
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netFilterCount: µb.netFilteringEngine.getFilterCount(),
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cosmeticFilterCount: µb.cosmeticFilteringEngine.getFilterCount(),
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autoUpdate: µb.userSettings.autoUpdate,
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userFiltersPath: µb.userFiltersPath,
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cache: null
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};
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var onMetadataReady = function(entries) {
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r.cache = entries;
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callback(r);
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};
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var onLists = function(lists) {
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r.available = lists;
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µb.assets.metadata(onMetadataReady);
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};
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µb.getAvailableLists(onLists);
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};
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/******************************************************************************/
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var onMessage = function(request, sender, callback) {
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var µb = µBlock;
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// Async
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switch ( request.what ) {
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case 'getLists':
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return getLists(callback);
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case 'getLists':
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return getLists(callback);
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case 'purgeAllCaches':
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return µb.assets.purgeAll(callback);
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case 'writeUserUbiquitousBlockRules':
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return µb.assets.put(µb.userFiltersPath, request.content, callback);
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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case 'purgeCache':
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µb.assets.purge(request.path);
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break;
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('3p-filters.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// 1p-filters.js
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(function() {
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var onMessage = function(request, sender, callback) {
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var µb = µBlock;
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// Async
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switch ( request.what ) {
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case 'readUserFilters':
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return µb.assets.get(µb.userFiltersPath, callback);
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case 'writeUserFilters':
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return µb.assets.put(µb.userFiltersPath, request.content, callback);
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('1p-filters.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// whitelist.js
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(function() {
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var onMessage = function(request, sender, callback) {
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var µb = µBlock;
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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case 'getWhitelist':
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response = µb.stringFromWhitelist(µb.netWhitelist);
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break;
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case 'setWhitelist':
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µb.netWhitelist = µb.whitelistFromString(request.whitelist);
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µb.saveWhitelist();
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break;
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('whitelist.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// stats.js
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(function() {
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var getPageDetails = function(µb, tabId) {
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var r = {
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blockedRequests: [],
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allowedRequests: [],
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hash: ''
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};
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var pageStore = µb.pageStores[tabId];
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if ( !pageStore ) {
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return r;
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}
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var prepareRequests = function(wantBlocked, hasher) {
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var µburi = µb.URI;
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var dict = pageStore.netFilteringCache.fetchAll();
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var r = [];
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var details, pos, result, hostname, domain;
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for ( var url in dict ) {
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if ( dict.hasOwnProperty(url) === false ) {
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continue;
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}
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details = dict[url].data;
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if ( typeof details !== 'string' ) {
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continue;
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}
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pos = details.indexOf('\t');
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result = details.slice(pos + 1);
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if ( wantBlocked !== pageStore.boolFromResult(result) ) {
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continue;
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}
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hasher.appendStr(url);
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hasher.appendStr(details);
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hostname = µburi.hostnameFromURI(url);
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domain = µburi.domainFromHostname(hostname) || hostname;
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r.push({
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type: details.slice(0, pos),
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domain: domain,
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url: url,
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reason: result
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});
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}
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return r;
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};
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var hasher = new YaMD5();
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if ( µb.userSettings.logRequests ) {
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r.blockedRequests = prepareRequests(true, hasher);
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r.allowedRequests = prepareRequests(false, hasher);
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}
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r.hash = hasher.end();
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return r;
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};
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/******************************************************************************/
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var onMessage = function(request, sender, callback) {
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var µb = µBlock;
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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case 'getPageSelectors':
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response = Object.keys(µb.pageStores);
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break;
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case 'getPageDetails':
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response = getPageDetails(µb, request.tabId);
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break;
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('stats.js', onMessage);
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})();
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/******************************************************************************/
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/******************************************************************************/
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// about.js
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(function() {
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var onMessage = function(request, sender, callback) {
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var µb = µBlock;
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// Async
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switch ( request.what ) {
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default:
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break;
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}
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// Sync
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var response;
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switch ( request.what ) {
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default:
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return µb.messaging.defaultHandler(request, sender, callback);
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}
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callback(response);
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};
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µBlock.messaging.listen('about.js', onMessage);
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})();
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// https://www.youtube.com/watch?v=3_WcygKJP1k
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/******************************************************************************/
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