/
messaging.js
1619 lines (1376 loc) · 46.8 KB
/
messaging.js
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/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2014-present Raymond Hill
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
*/
/******************************************************************************/
/******************************************************************************/
'use strict';
// https://github.com/uBlockOrigin/uBlock-issues/issues/710
// Listeners have a name and a "privileged" status.
// The nameless default handler is always deemed "privileged".
// Messages from privileged ports must never relayed to listeners
// which are not privileged.
/******************************************************************************/
/******************************************************************************/
// Default handler
// priviledged
{
// >>>>> start of local scope
const µb = µBlock;
const getDomainNames = function(targets) {
const µburi = µb.URI;
return targets.map(target => {
if ( typeof target !== 'string' ) { return ''; }
return target.indexOf('/') !== -1
? µburi.domainFromURI(target) || ''
: µburi.domainFromHostname(target) || target;
});
};
const onMessage = function(request, sender, callback) {
// Async
switch ( request.what ) {
case 'getAssetContent':
// https://github.com/chrisaljoudi/uBlock/issues/417
µb.assets.get(
request.url,
{ dontCache: true, needSourceURL: true }
).then(result => {
callback(result);
});
return;
case 'listsFromNetFilter':
µb.staticFilteringReverseLookup.fromNetFilter(
request.compiledFilter,
request.rawFilter,
callback
);
return;
case 'listsFromCosmeticFilter':
µb.staticFilteringReverseLookup.fromCosmeticFilter(request, callback);
return;
case 'reloadAllFilters':
µb.loadFilterLists().then(( ) => { callback(); });
return;
case 'scriptlet':
µb.scriptlets.inject(request.tabId, request.scriptlet, callback);
return;
default:
break;
}
// Sync
var response;
switch ( request.what ) {
case 'applyFilterListSelection':
response = µb.applyFilterListSelection(request);
break;
case 'createUserFilter':
µb.createUserFilters(request);
break;
case 'forceUpdateAssets':
µb.scheduleAssetUpdater(0);
µb.assets.updateStart({
delay: µb.hiddenSettings.manualUpdateAssetFetchPeriod
});
break;
case 'getAppData':
response = {
name: browser.runtime.getManifest().name,
version: vAPI.app.version
};
break;
case 'getDomainNames':
response = getDomainNames(request.targets);
break;
case 'getWhitelist':
response = {
whitelist: µb.arrayFromWhitelist(µb.netWhitelist),
whitelistDefault: µb.netWhitelistDefault,
reBadHostname: µb.reWhitelistBadHostname.source,
reHostnameExtractor: µb.reWhitelistHostnameExtractor.source
};
break;
case 'launchElementPicker':
// Launched from some auxiliary pages, clear context menu coords.
µb.epickerArgs.mouse = false;
µb.elementPickerExec(request.tabId, request.targetURL, request.zap);
break;
case 'gotoURL':
µb.openNewTab(request.details);
break;
case 'reloadTab':
if ( vAPI.isBehindTheSceneTabId(request.tabId) === false ) {
vAPI.tabs.reload(request.tabId, request.bypassCache === true);
if ( request.select && vAPI.tabs.select ) {
vAPI.tabs.select(request.tabId);
}
}
break;
case 'setWhitelist':
µb.netWhitelist = µb.whitelistFromString(request.whitelist);
µb.saveWhitelist();
break;
case 'toggleHostnameSwitch':
µb.toggleHostnameSwitch(request);
break;
case 'userSettings':
response = µb.changeUserSettings(request.name, request.value);
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.setup(onMessage);
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// popupPanel
// privileged
{
// >>>>> start of local scope
const µb = µBlock;
const getHostnameDict = function(hostnameToCountMap) {
const r = Object.create(null);
const domainFromHostname = µb.URI.domainFromHostname;
// Note: destructuring assignment not supported before Chromium 49.
for ( const [ hostname, hnCounts ] of hostnameToCountMap ) {
if ( r[hostname] !== undefined ) { continue; }
const domain = domainFromHostname(hostname) || hostname;
const dnCounts = hostnameToCountMap.get(domain) || 0;
let blockCount = dnCounts & 0xFFFF;
let allowCount = dnCounts >>> 16 & 0xFFFF;
if ( r[domain] === undefined ) {
r[domain] = {
domain: domain,
blockCount: blockCount,
allowCount: allowCount,
totalBlockCount: blockCount,
totalAllowCount: allowCount
};
}
const domainEntry = r[domain];
blockCount = hnCounts & 0xFFFF;
allowCount = hnCounts >>> 16 & 0xFFFF;
domainEntry.totalBlockCount += blockCount;
domainEntry.totalAllowCount += allowCount;
if ( hostname === domain ) { continue; }
r[hostname] = {
domain: domain,
blockCount: blockCount,
allowCount: allowCount,
totalBlockCount: 0,
totalAllowCount: 0
};
}
return r;
};
const getFirewallRules = function(srcHostname, desHostnames) {
var r = {};
var df = µb.sessionFirewall;
r['/ * *'] = df.lookupRuleData('*', '*', '*');
r['/ * image'] = df.lookupRuleData('*', '*', 'image');
r['/ * 3p'] = df.lookupRuleData('*', '*', '3p');
r['/ * inline-script'] = df.lookupRuleData('*', '*', 'inline-script');
r['/ * 1p-script'] = df.lookupRuleData('*', '*', '1p-script');
r['/ * 3p-script'] = df.lookupRuleData('*', '*', '3p-script');
r['/ * 3p-frame'] = df.lookupRuleData('*', '*', '3p-frame');
if ( typeof srcHostname !== 'string' ) { return r; }
r['. * *'] = df.lookupRuleData(srcHostname, '*', '*');
r['. * image'] = df.lookupRuleData(srcHostname, '*', 'image');
r['. * 3p'] = df.lookupRuleData(srcHostname, '*', '3p');
r['. * inline-script'] = df.lookupRuleData(srcHostname,
'*',
'inline-script'
);
r['. * 1p-script'] = df.lookupRuleData(srcHostname, '*', '1p-script');
r['. * 3p-script'] = df.lookupRuleData(srcHostname, '*', '3p-script');
r['. * 3p-frame'] = df.lookupRuleData(srcHostname, '*', '3p-frame');
for ( const desHostname in desHostnames ) {
r[`/ ${desHostname} *`] = df.lookupRuleData(
'*',
desHostname,
'*'
);
r[`. ${desHostname} *`] = df.lookupRuleData(
srcHostname,
desHostname,
'*'
);
}
return r;
};
const popupDataFromTabId = function(tabId, tabTitle) {
const tabContext = µb.tabContextManager.mustLookup(tabId);
const rootHostname = tabContext.rootHostname;
const r = {
advancedUserEnabled: µb.userSettings.advancedUserEnabled,
appName: vAPI.app.name,
appVersion: vAPI.app.version,
colorBlindFriendly: µb.userSettings.colorBlindFriendly,
cosmeticFilteringSwitch: false,
dfEnabled: µb.userSettings.dynamicFilteringEnabled,
firewallPaneMinimized: µb.userSettings.firewallPaneMinimized,
globalAllowedRequestCount: µb.localSettings.allowedRequestCount,
globalBlockedRequestCount: µb.localSettings.blockedRequestCount,
fontSize: µb.hiddenSettings.popupFontSize,
netFilteringSwitch: false,
rawURL: tabContext.rawURL,
pageURL: tabContext.normalURL,
pageHostname: rootHostname,
pageDomain: tabContext.rootDomain,
pageAllowedRequestCount: 0,
pageBlockedRequestCount: 0,
popupBlockedCount: 0,
tabId: tabId,
tabTitle: tabTitle,
tooltipsDisabled: µb.userSettings.tooltipsDisabled
};
const pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore ) {
// https://github.com/gorhill/uBlock/issues/2105
// Be sure to always include the current page's hostname -- it
// might not be present when the page itself is pulled from the
// browser's short-term memory cache. This needs to be done
// before calling getHostnameDict().
if (
pageStore.hostnameToCountMap.has(rootHostname) === false &&
µb.URI.isNetworkURI(tabContext.rawURL)
) {
pageStore.hostnameToCountMap.set(rootHostname, 0);
}
r.pageBlockedRequestCount = pageStore.perLoadBlockedRequestCount;
r.pageAllowedRequestCount = pageStore.perLoadAllowedRequestCount;
r.netFilteringSwitch = pageStore.getNetFilteringSwitch();
r.hostnameDict = getHostnameDict(pageStore.hostnameToCountMap);
r.contentLastModified = pageStore.contentLastModified;
r.firewallRules = getFirewallRules(rootHostname, r.hostnameDict);
r.canElementPicker = µb.URI.isNetworkURI(r.rawURL);
r.noPopups = µb.sessionSwitches.evaluateZ(
'no-popups',
rootHostname
);
r.popupBlockedCount = pageStore.popupBlockedCount;
r.noCosmeticFiltering = µb.sessionSwitches.evaluateZ(
'no-cosmetic-filtering',
rootHostname
);
r.noLargeMedia = µb.sessionSwitches.evaluateZ(
'no-large-media',
rootHostname
);
r.largeMediaCount = pageStore.largeMediaCount;
r.noRemoteFonts = µb.sessionSwitches.evaluateZ(
'no-remote-fonts',
rootHostname
);
r.remoteFontCount = pageStore.remoteFontCount;
r.noScripting = µb.sessionSwitches.evaluateZ(
'no-scripting',
rootHostname
);
} else {
r.hostnameDict = {};
r.firewallRules = getFirewallRules();
}
r.matrixIsDirty = µb.sessionFirewall.hasSameRules(
µb.permanentFirewall,
rootHostname,
r.hostnameDict
) === false;
if ( r.matrixIsDirty === false ) {
r.matrixIsDirty = µb.sessionSwitches.hasSameRules(
µb.permanentSwitches,
rootHostname
) === false;
}
return r;
};
const popupDataFromRequest = async function(request) {
if ( request.tabId ) {
return popupDataFromTabId(request.tabId, '');
}
// Still no target tab id? Use currently selected tab.
const tab = await vAPI.tabs.getCurrent();
let tabId = '';
let tabTitle = '';
if ( tab instanceof Object ) {
tabId = tab.id;
tabTitle = tab.title || '';
}
return popupDataFromTabId(tabId, tabTitle);
};
const getDOMStats = async function(tabId) {
const results = await vAPI.tabs.executeScript(tabId, {
allFrames: true,
file: '/js/scriptlets/dom-survey.js',
runAt: 'document_end',
});
let elementCount = 0;
let scriptCount = 0;
results.forEach(result => {
if ( result instanceof Object === false ) { return; }
elementCount += result.elementCount;
scriptCount += result.scriptCount;
});
return { elementCount, scriptCount };
};
const onMessage = function(request, sender, callback) {
let pageStore;
// Async
switch ( request.what ) {
case 'getPopupLazyData':
getDOMStats(request.tabId).then(results => {
callback(results);
});
return;
case 'getPopupData':
popupDataFromRequest(request).then(popupData => {
callback(popupData);
});
return;
default:
break;
}
// Sync
let response;
switch ( request.what ) {
case 'hasPopupContentChanged':
pageStore = µb.pageStoreFromTabId(request.tabId);
var lastModified = pageStore ? pageStore.contentLastModified : 0;
response = lastModified !== request.contentLastModified;
break;
case 'revertFirewallRules':
µb.sessionFirewall.copyRules(
µb.permanentFirewall,
request.srcHostname,
request.desHostnames
);
µb.sessionSwitches.copyRules(
µb.permanentSwitches,
request.srcHostname
);
// https://github.com/gorhill/uBlock/issues/188
µb.cosmeticFilteringEngine.removeFromSelectorCache(
request.srcHostname,
'net'
);
µb.updateToolbarIcon(request.tabId, 0b100);
response = popupDataFromTabId(request.tabId);
break;
case 'saveFirewallRules':
if (
µb.permanentFirewall.copyRules(
µb.sessionFirewall,
request.srcHostname,
request.desHostnames
)
) {
µb.savePermanentFirewallRules();
}
if (
µb.permanentSwitches.copyRules(
µb.sessionSwitches,
request.srcHostname
)
) {
µb.saveHostnameSwitches();
}
break;
case 'toggleHostnameSwitch':
µb.toggleHostnameSwitch(request);
response = popupDataFromTabId(request.tabId);
break;
case 'toggleFirewallRule':
µb.toggleFirewallRule(request);
response = popupDataFromTabId(request.tabId);
break;
case 'toggleNetFiltering':
pageStore = µb.pageStoreFromTabId(request.tabId);
if ( pageStore ) {
pageStore.toggleNetFilteringSwitch(
request.url,
request.scope,
request.state
);
µb.updateToolbarIcon(request.tabId, 0b111);
}
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.listen({
name: 'popupPanel',
listener: onMessage,
privileged: true,
});
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// contentscript
// unprivileged
{
// >>>>> start of local scope
const µb = µBlock;
const retrieveContentScriptParameters = function(senderDetails, request) {
const { url, tabId, frameId } = senderDetails;
if ( url === undefined || tabId === undefined || frameId === undefined ) {
return;
}
if ( request.url !== url ) { return; }
const pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore === null || pageStore.getNetFilteringSwitch() === false ) {
return;
}
const noCosmeticFiltering = pageStore.noCosmeticFiltering === true;
const response = {
collapseBlocked: µb.userSettings.collapseBlocked,
noCosmeticFiltering,
noGenericCosmeticFiltering: noCosmeticFiltering,
noSpecificCosmeticFiltering: noCosmeticFiltering,
};
// https://github.com/uBlockOrigin/uAssets/issues/5704
// `generichide` must be evaluated in the frame context.
if ( noCosmeticFiltering === false ) {
const genericHide =
µb.staticNetFilteringEngine.matchStringElementHide(
'generic',
request.url
);
response.noGenericCosmeticFiltering = genericHide === 2;
if ( genericHide !== 0 && µb.logger.enabled ) {
µBlock.filteringContext
.duplicate()
.fromTabId(tabId)
.setURL(request.url)
.setRealm('network')
.setType('generichide')
.setFilter(µb.staticNetFilteringEngine.toLogData())
.toLogger();
}
}
request.tabId = tabId;
request.frameId = frameId;
request.hostname = µb.URI.hostnameFromURI(request.url);
request.domain = µb.URI.domainFromHostname(request.hostname);
request.entity = µb.URI.entityFromDomain(request.domain);
// https://www.reddit.com/r/uBlockOrigin/comments/d6vxzj/
// Add support for `specifichide`.
if ( noCosmeticFiltering === false ) {
const specificHide =
µb.staticNetFilteringEngine.matchStringElementHide(
'specific',
request.url
);
response.noSpecificCosmeticFiltering = specificHide === 2;
if ( specificHide !== 0 && µb.logger.enabled ) {
µBlock.filteringContext
.duplicate()
.fromTabId(tabId)
.setURL(request.url)
.setRealm('network')
.setType('specifichide')
.setFilter(µb.staticNetFilteringEngine.toLogData())
.toLogger();
}
}
// Cosmetic filtering can be effectively disabled when both specific and
// generic cosmetic filtering are disabled.
if (
noCosmeticFiltering === false &&
response.noGenericCosmeticFiltering &&
response.noSpecificCosmeticFiltering
) {
response.noCosmeticFiltering = true;
}
response.specificCosmeticFilters =
µb.cosmeticFilteringEngine.retrieveSpecificSelectors(request, response);
if ( µb.canInjectScriptletsNow === false ) {
response.scriptlets = µb.scriptletFilteringEngine.retrieve(request);
}
if ( µb.logger.enabled && response.noCosmeticFiltering !== true ) {
µb.logCosmeticFilters(tabId, frameId);
}
return response;
};
const onMessage = function(request, sender, callback) {
// Async
switch ( request.what ) {
default:
break;
}
const senderDetails = µb.getMessageSenderDetails(sender);
const pageStore = µb.pageStoreFromTabId(senderDetails.tabId);
// Sync
let response;
switch ( request.what ) {
case 'cosmeticFiltersInjected':
µb.cosmeticFilteringEngine.addToSelectorCache(request);
break;
case 'getCollapsibleBlockedRequests':
response = {
id: request.id,
hash: request.hash,
netSelectorCacheCountMax:
µb.cosmeticFilteringEngine.netSelectorCacheCountMax,
};
if (
µb.userSettings.collapseBlocked &&
pageStore && pageStore.getNetFilteringSwitch()
) {
pageStore.getBlockedResources(request, response);
}
break;
case 'maybeGoodPopup':
µb.maybeGoodPopup.tabId = senderDetails.tabId;
µb.maybeGoodPopup.url = request.url;
break;
case 'shouldRenderNoscriptTags':
if ( pageStore === null ) { break; }
const fctxt = µb.filteringContext.fromTabId(senderDetails.tabId);
if ( pageStore.filterScripting(fctxt, undefined) ) {
vAPI.tabs.executeScript(senderDetails.tabId, {
file: '/js/scriptlets/noscript-spoof.js',
frameId: senderDetails.frameId,
runAt: 'document_end',
});
}
break;
case 'retrieveContentScriptParameters':
response = retrieveContentScriptParameters(senderDetails, request);
break;
case 'retrieveGenericCosmeticSelectors':
request.tabId = senderDetails.tabId;
request.frameId = senderDetails.frameId;
response = {
result: µb.cosmeticFilteringEngine.retrieveGenericSelectors(request),
};
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.listen({
name: 'contentscript',
listener: onMessage,
});
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// elementPicker
// unprivileged
{
// >>>>> start of local scope
const onMessage = function(request, sender, callback) {
const µb = µBlock;
// Async
switch ( request.what ) {
case 'elementPickerArguments':
const xhr = new XMLHttpRequest();
xhr.open('GET', 'epicker.html', true);
xhr.overrideMimeType('text/html;charset=utf-8');
xhr.responseType = 'text';
xhr.onload = function() {
this.onload = null;
var i18n = {
bidi_dir: document.body.getAttribute('dir'),
create: vAPI.i18n('pickerCreate'),
pick: vAPI.i18n('pickerPick'),
quit: vAPI.i18n('pickerQuit'),
preview: vAPI.i18n('pickerPreview'),
netFilters: vAPI.i18n('pickerNetFilters'),
cosmeticFilters: vAPI.i18n('pickerCosmeticFilters'),
cosmeticFiltersHint: vAPI.i18n('pickerCosmeticFiltersHint')
};
const reStrings = /\{\{(\w+)\}\}/g;
const replacer = function(a0, string) {
return i18n[string];
};
callback({
frameContent: this.responseText.replace(reStrings, replacer),
target: µb.epickerArgs.target,
mouse: µb.epickerArgs.mouse,
zap: µb.epickerArgs.zap,
eprom: µb.epickerArgs.eprom,
});
µb.epickerArgs.target = '';
};
xhr.send();
return;
default:
break;
}
// Sync
let response;
switch ( request.what ) {
case 'compileCosmeticFilterSelector':
response = µb.staticExtFilteringEngine.compileSelector(
request.selector
);
break;
// https://github.com/gorhill/uBlock/issues/3497
// This needs to be removed once issue is fixed.
case 'createUserFilter':
µb.createUserFilters(request);
break;
case 'elementPickerEprom':
µb.epickerArgs.eprom = request;
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.listen({
name: 'elementPicker',
listener: onMessage,
});
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// cloudWidget
// privileged
{
// >>>>> start of local scope
const onMessage = function(request, sender, callback) {
// Cloud storage support is optional.
if ( µBlock.cloudStorageSupported !== true ) {
callback();
return;
}
// Async
switch ( request.what ) {
case 'cloudGetOptions':
vAPI.cloud.getOptions(function(options) {
options.enabled = µBlock.userSettings.cloudStorageEnabled === true;
callback(options);
});
return;
case 'cloudSetOptions':
vAPI.cloud.setOptions(request.options, callback);
return;
case 'cloudPull':
return vAPI.cloud.pull(request.datakey).then(result => {
callback(result);
});
case 'cloudPush':
return vAPI.cloud.push(request.datakey, request.data).then(result => {
callback(result);
});
default:
break;
}
// Sync
let response;
switch ( request.what ) {
// For when cloud storage is disabled.
case 'cloudPull':
// fallthrough
case 'cloudPush':
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.listen({
name: 'cloudWidget',
listener: onMessage,
privileged: true,
});
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// dashboard
// privileged
{
// >>>>> start of local scope
const µb = µBlock;
// Settings
const getLocalData = async function() {
const data = Object.assign({}, µb.restoreBackupSettings);
data.storageUsed = await µb.getBytesInUse();
data.cloudStorageSupported = µb.cloudStorageSupported;
data.privacySettingsSupported = µb.privacySettingsSupported;
return data;
};
const backupUserData = async function() {
const userFilters = await µb.loadUserFilters();
const userData = {
timeStamp: Date.now(),
version: vAPI.app.version,
userSettings: µb.userSettings,
selectedFilterLists: µb.selectedFilterLists,
hiddenSettings: µb.hiddenSettings,
whitelist: µb.arrayFromWhitelist(µb.netWhitelist),
// String representation eventually to be deprecated
netWhitelist: µb.stringFromWhitelist(µb.netWhitelist),
dynamicFilteringString: µb.permanentFirewall.toString(),
urlFilteringString: µb.permanentURLFiltering.toString(),
hostnameSwitchesString: µb.permanentSwitches.toString(),
userFilters: userFilters.content,
};
const filename = vAPI.i18n('aboutBackupFilename')
.replace('{{datetime}}', µb.dateNowToSensibleString())
.replace(/ +/g, '_');
µb.restoreBackupSettings.lastBackupFile = filename;
µb.restoreBackupSettings.lastBackupTime = Date.now();
vAPI.storage.set(µb.restoreBackupSettings);
const localData = await getLocalData();
return { localData, userData };
};
const restoreUserData = async function(request) {
const userData = request.userData;
// https://github.com/chrisaljoudi/uBlock/issues/1102
// Ensure all currently cached assets are flushed from storage AND memory.
µb.assets.rmrf();
// If we are going to restore all, might as well wipe out clean local
// storages
vAPI.localStorage.removeItem('immediateHiddenSettings');
await Promise.all([
µb.cacheStorage.clear(),
vAPI.storage.clear(),
]);
// Restore block stats
µBlock.saveLocalSettings();
// Restore user data
vAPI.storage.set(userData.userSettings);
let hiddenSettings = userData.hiddenSettings;
if ( hiddenSettings instanceof Object === false ) {
hiddenSettings = µBlock.hiddenSettingsFromString(
userData.hiddenSettingsString || ''
);
}
// Whitelist directives can be represented as an array or as a
// (eventually to be deprecated) string.
let whitelist = userData.whitelist;
if (
Array.isArray(whitelist) === false &&
typeof userData.netWhitelist === 'string' &&
userData.netWhitelist !== ''
) {
whitelist = userData.netWhitelist.split('\n');
}
vAPI.storage.set({
hiddenSettings: hiddenSettings,
netWhitelist: whitelist || [],
dynamicFilteringString: userData.dynamicFilteringString || '',
urlFilteringString: userData.urlFilteringString || '',
hostnameSwitchesString: userData.hostnameSwitchesString || '',
lastRestoreFile: request.file || '',
lastRestoreTime: Date.now(),
lastBackupFile: '',
lastBackupTime: 0
});
µb.saveUserFilters(userData.userFilters);
if ( Array.isArray(userData.selectedFilterLists) ) {
await µb.saveSelectedFilterLists(userData.selectedFilterLists);
}
vAPI.app.restart();
};
// Remove all stored data but keep global counts, people can become
// quite attached to numbers
const resetUserData = async function() {
vAPI.localStorage.removeItem('immediateHiddenSettings');
await Promise.all([
µb.cacheStorage.clear(),
vAPI.storage.clear(),
]);
await µb.saveLocalSettings();
vAPI.app.restart();
};
// 3rd-party filters
const prepListEntries = function(entries) {
const µburi = µb.URI;
for ( const k in entries ) {
if ( entries.hasOwnProperty(k) === false ) { continue; }
const entry = entries[k];
if ( typeof entry.supportURL === 'string' && entry.supportURL !== '' ) {
entry.supportName = µburi.hostnameFromURI(entry.supportURL);
} else if ( typeof entry.homeURL === 'string' && entry.homeURL !== '' ) {
const hn = µburi.hostnameFromURI(entry.homeURL);
entry.supportURL = `http://${hn}/`;
entry.supportName = µburi.domainFromHostname(hn);
}
}
};
const getLists = async function(callback) {
const r = {
autoUpdate: µb.userSettings.autoUpdate,
available: null,
cache: null,
cosmeticFilterCount: µb.cosmeticFilteringEngine.getFilterCount(),
current: µb.availableFilterLists,
externalLists: µb.userSettings.externalLists,
ignoreGenericCosmeticFilters: µb.userSettings.ignoreGenericCosmeticFilters,
isUpdating: µb.assets.isUpdating(),
netFilterCount: µb.staticNetFilteringEngine.getFilterCount(),
parseCosmeticFilters: µb.userSettings.parseAllABPHideFilters,
userFiltersPath: µb.userFiltersPath
};
const [ lists, metadata ] = await Promise.all([
µb.getAvailableLists(),
µb.assets.metadata(),
]);
r.available = lists;
prepListEntries(r.available);
r.cache = metadata;
prepListEntries(r.cache);
callback(r);
};
// My rules
const getRules = function() {
return {
permanentRules:
µb.permanentFirewall.toArray().concat(
µb.permanentSwitches.toArray(),
µb.permanentURLFiltering.toArray()
),