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messaging.js
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1936 lines (1670 loc) · 56.8 KB
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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';
/******************************************************************************/
import publicSuffixList from '../lib/publicsuffixlist/publicsuffixlist.js';
import punycode from '../lib/punycode.js';
import cacheStorage from './cachestorage.js';
import cosmeticFilteringEngine from './cosmetic-filtering.js';
import htmlFilteringEngine from './html-filtering.js';
import logger from './logger.js';
import lz4Codec from './lz4.js';
import io from './assets.js';
import scriptletFilteringEngine from './scriptlet-filtering.js';
import staticExtFilteringEngine from './static-ext-filtering.js';
import staticFilteringReverseLookup from './reverselookup.js';
import staticNetFilteringEngine from './static-net-filtering.js';
import µb from './background.js';
import webRequest from './traffic.js';
import { denseBase64 } from './base64-custom.js';
import { redirectEngine } from './redirect-engine.js';
import { StaticFilteringParser } from './static-filtering-parser.js';
import {
permanentFirewall,
sessionFirewall,
permanentSwitches,
sessionSwitches,
permanentURLFiltering,
sessionURLFiltering,
} from './filtering-engines.js';
import {
domainFromHostname,
domainFromURI,
entityFromDomain,
hostnameFromURI,
isNetworkURI,
} from './uri-utils.js';
import './benchmarks.js';
/******************************************************************************/
// 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
// privileged
{
// >>>>> start of local scope
const clickToLoad = function(request, sender) {
const { tabId, frameId } = sender;
if ( tabId === undefined || frameId === undefined ) { return false; }
const pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore === null ) { return false; }
pageStore.clickToLoad(frameId, request.frameURL);
return true;
};
const getDomainNames = function(targets) {
return targets.map(target => {
if ( typeof target !== 'string' ) { return ''; }
return target.indexOf('/') !== -1
? domainFromURI(target) || ''
: domainFromHostname(target) || target;
});
};
const onMessage = function(request, sender, callback) {
// Async
switch ( request.what ) {
case 'getAssetContent':
// https://github.com/chrisaljoudi/uBlock/issues/417
io.get(request.url, {
dontCache: true,
needSourceURL: true,
}).then(result => {
callback(result);
});
return;
case 'listsFromNetFilter':
staticFilteringReverseLookup.fromNetFilter(
request.rawFilter
).then(response => {
callback(response);
});
return;
case 'listsFromCosmeticFilter':
staticFilteringReverseLookup.fromExtendedFilter(
request
).then(response => {
callback(response);
});
return;
case 'reloadAllFilters':
µb.loadFilterLists().then(( ) => { callback(); });
return;
case 'scriptlet':
vAPI.tabs.executeScript(request.tabId, {
file: `/js/scriptlets/${request.scriptlet}.js`
}).then(result => {
callback(result);
});
return;
case 'snfeBenchmark':
µb.benchmarkStaticNetFiltering({ redirectEngine }).then(result => {
callback(result);
});
return;
default:
break;
}
// Sync
let response;
switch ( request.what ) {
case 'applyFilterListSelection':
response = µb.applyFilterListSelection(request);
break;
case 'clickToLoad':
response = clickToLoad(request, sender);
break;
case 'createUserFilter':
µb.createUserFilters(request);
break;
case 'forceUpdateAssets':
µb.scheduleAssetUpdater(0);
io.updateStart({
delay: µb.hiddenSettings.manualUpdateAssetFetchPeriod
});
break;
case 'getAppData':
response = {
name: browser.runtime.getManifest().name,
version: vAPI.app.version,
canBenchmark: µb.hiddenSettings.benchmarkDatasetURL !== 'unset',
};
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, 0, 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 'uiAccentStylesheet':
µb.uiAccentStylesheet = request.stylesheet;
break;
case 'uiStyles':
response = {
uiAccentCustom: µb.userSettings.uiAccentCustom,
uiAccentCustom0: µb.userSettings.uiAccentCustom0,
uiAccentStylesheet: µb.uiAccentStylesheet,
uiStyles: µb.hiddenSettings.uiStyles,
uiTheme: µb.userSettings.uiTheme,
};
break;
case 'userSettings':
response = µb.changeUserSettings(request.name, request.value);
if ( response instanceof Object ) {
if ( vAPI.net.canUncloakCnames !== true ) {
response.cnameUncloakEnabled = undefined;
}
response.canLeakLocalIPAddresses =
vAPI.browserSettings.canLeakLocalIPAddresses === true;
}
break;
case 'snfeDump':
response = staticNetFilteringEngine.dump();
break;
case 'cfeDump':
response = cosmeticFilteringEngine.dump();
break;
default:
return vAPI.messaging.UNHANDLED;
}
callback(response);
};
vAPI.messaging.setup(onMessage);
// <<<<< end of local scope
}
/******************************************************************************/
/******************************************************************************/
// Channel:
// popupPanel
// privileged
{
// >>>>> start of local scope
const createCounts = ( ) => {
return {
blocked: { any: 0, frame: 0, script: 0 },
allowed: { any: 0, frame: 0, script: 0 },
};
};
const getHostnameDict = function(hostnameDetailsMap, out) {
const hnDict = Object.create(null);
const cnMap = [];
const createDictEntry = (domain, hostname, details) => {
const cname = vAPI.net.canonicalNameFromHostname(hostname);
if ( cname !== undefined ) {
cnMap.push([ cname, hostname ]);
}
hnDict[hostname] = { domain, counts: details.counts };
};
for ( const hnDetails of hostnameDetailsMap.values() ) {
const hostname = hnDetails.hostname;
if ( hnDict[hostname] !== undefined ) { continue; }
const domain = domainFromHostname(hostname) || hostname;
const dnDetails =
hostnameDetailsMap.get(domain) || { counts: createCounts() };
if ( hnDict[domain] === undefined ) {
createDictEntry(domain, domain, dnDetails);
}
if ( hostname === domain ) { continue; }
createDictEntry(domain, hostname, hnDetails);
}
out.hostnameDict = hnDict;
out.cnameMap = cnMap;
};
const firewallRuleTypes = [
'*',
'image',
'3p',
'inline-script',
'1p-script',
'3p-script',
'3p-frame',
];
const getFirewallRules = function(src, out) {
const ruleset = out.firewallRules = {};
const df = sessionFirewall;
for ( const type of firewallRuleTypes ) {
const r = df.lookupRuleData('*', '*', type);
if ( r === undefined ) { continue; }
ruleset[`/ * ${type}`] = r;
}
if ( typeof src !== 'string' ) { return; }
for ( const type of firewallRuleTypes ) {
const r = df.lookupRuleData(src, '*', type);
if ( r === undefined ) { continue; }
ruleset[`. * ${type}`] = r;
}
const { hostnameDict } = out;
for ( const des in hostnameDict ) {
let r = df.lookupRuleData('*', des, '*');
if ( r !== undefined ) { ruleset[`/ ${des} *`] = r; }
r = df.lookupRuleData(src, des, '*');
if ( r !== undefined ) { ruleset[`. ${des} *`] = r; }
}
};
const popupDataFromTabId = function(tabId, tabTitle) {
const tabContext = µb.tabContextManager.mustLookup(tabId);
const rootHostname = tabContext.rootHostname;
const µbus = µb.userSettings;
const µbhs = µb.hiddenSettings;
const r = {
advancedUserEnabled: µbus.advancedUserEnabled,
appName: vAPI.app.name,
appVersion: vAPI.app.version,
colorBlindFriendly: µbus.colorBlindFriendly,
cosmeticFilteringSwitch: false,
firewallPaneMinimized: µbus.firewallPaneMinimized,
globalAllowedRequestCount: µb.localSettings.allowedRequestCount,
globalBlockedRequestCount: µb.localSettings.blockedRequestCount,
fontSize: µbhs.popupFontSize,
godMode: µbhs.filterAuthorMode,
netFilteringSwitch: false,
rawURL: tabContext.rawURL,
pageURL: tabContext.normalURL,
pageHostname: rootHostname,
pageDomain: tabContext.rootDomain,
popupBlockedCount: 0,
popupPanelSections: µbus.popupPanelSections,
popupPanelDisabledSections: µbhs.popupPanelDisabledSections,
popupPanelLockedSections: µbhs.popupPanelLockedSections,
popupPanelHeightMode: µbhs.popupPanelHeightMode,
tabId: tabId,
tabTitle: tabTitle,
tooltipsDisabled: µbus.tooltipsDisabled
};
if ( µbhs.uiPopupConfig !== 'unset' ) {
r.uiPopupConfig = µbhs.uiPopupConfig;
}
const pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore ) {
r.pageCounts = pageStore.counts;
r.netFilteringSwitch = pageStore.getNetFilteringSwitch();
getHostnameDict(pageStore.getAllHostnameDetails(), r);
r.contentLastModified = pageStore.contentLastModified;
getFirewallRules(rootHostname, r);
r.canElementPicker = isNetworkURI(r.rawURL);
r.noPopups = sessionSwitches.evaluateZ(
'no-popups',
rootHostname
);
r.popupBlockedCount = pageStore.popupBlockedCount;
r.noCosmeticFiltering = sessionSwitches.evaluateZ(
'no-cosmetic-filtering',
rootHostname
);
r.noLargeMedia = sessionSwitches.evaluateZ(
'no-large-media',
rootHostname
);
r.largeMediaCount = pageStore.largeMediaCount;
r.noRemoteFonts = sessionSwitches.evaluateZ(
'no-remote-fonts',
rootHostname
);
r.remoteFontCount = pageStore.remoteFontCount;
r.noScripting = sessionSwitches.evaluateZ(
'no-scripting',
rootHostname
);
} else {
r.hostnameDict = {};
getFirewallRules(undefined, r);
}
r.matrixIsDirty = sessionFirewall.hasSameRules(
permanentFirewall,
rootHostname,
r.hostnameDict
) === false;
if ( r.matrixIsDirty === false ) {
r.matrixIsDirty = sessionSwitches.hasSameRules(
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 getElementCount = async function(tabId, what) {
const results = await vAPI.tabs.executeScript(tabId, {
allFrames: true,
file: `/js/scriptlets/dom-survey-${what}.js`,
runAt: 'document_end',
});
let total = 0;
for ( const count of results ) {
if ( typeof count !== 'number' ) { continue; }
if ( count === -1 ) { return -1; }
total += count;
}
return total;
};
const onMessage = function(request, sender, callback) {
// Async
switch ( request.what ) {
case 'getHiddenElementCount':
getElementCount(request.tabId, 'elements').then(count => {
callback(count);
});
return;
case 'getScriptCount':
getElementCount(request.tabId, 'scripts').then(count => {
callback(count);
});
return;
case 'getPopupData':
popupDataFromRequest(request).then(popupData => {
callback(popupData);
});
return;
default:
break;
}
// Sync
let response;
switch ( request.what ) {
case 'hasPopupContentChanged': {
const pageStore = µb.pageStoreFromTabId(request.tabId);
const lastModified = pageStore ? pageStore.contentLastModified : 0;
response = lastModified !== request.contentLastModified;
break;
}
case 'launchReporter': {
const pageStore = µb.pageStoreFromTabId(request.tabId);
if ( pageStore === null ) { break; }
const supportURL = new URL(vAPI.getURL('support.html'));
supportURL.searchParams.set('pageURL', request.pageURL);
supportURL.searchParams.set('popupPanel', request.popupPanel);
µb.openNewTab({ url: supportURL.href, select: true, index: -1 });
break;
}
case 'revertFirewallRules':
// TODO: use Set() to message around sets of hostnames
sessionFirewall.copyRules(
permanentFirewall,
request.srcHostname,
Object.assign(Object.create(null), request.desHostnames)
);
sessionSwitches.copyRules(
permanentSwitches,
request.srcHostname
);
// https://github.com/gorhill/uBlock/issues/188
cosmeticFilteringEngine.removeFromSelectorCache(
request.srcHostname,
'net'
);
µb.updateToolbarIcon(request.tabId, 0b100);
response = popupDataFromTabId(request.tabId);
break;
case 'saveFirewallRules':
// TODO: use Set() to message around sets of hostnames
if (
permanentFirewall.copyRules(
sessionFirewall,
request.srcHostname,
Object.assign(Object.create(null), request.desHostnames)
)
) {
µb.savePermanentFirewallRules();
}
if (
permanentSwitches.copyRules(
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': {
const 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 retrieveContentScriptParameters = async function(sender, request) {
if ( µb.readyToFilter !== true ) { return; }
const { tabId, frameId } = sender;
if ( tabId === undefined || frameId === undefined ) { return; }
const pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore === null || pageStore.getNetFilteringSwitch() === false ) {
return;
}
// A content script may not always be able to successfully look up the
// effective context, hence in such case we try again to look up here
// using cached information about embedded frames.
if ( frameId !== 0 && request.url.startsWith('about:') ) {
request.url = pageStore.getEffectiveFrameURL(sender);
}
const noSpecificCosmeticFiltering =
pageStore.shouldApplySpecificCosmeticFilters(frameId) === false;
const noGenericCosmeticFiltering =
pageStore.shouldApplyGenericCosmeticFilters(frameId) === false;
const response = {
collapseBlocked: µb.userSettings.collapseBlocked,
noGenericCosmeticFiltering,
noSpecificCosmeticFiltering,
};
request.tabId = tabId;
request.frameId = frameId;
request.hostname = hostnameFromURI(request.url);
request.domain = domainFromHostname(request.hostname);
request.entity = entityFromDomain(request.domain);
const scf = response.specificCosmeticFilters =
cosmeticFilteringEngine.retrieveSpecificSelectors(request, response);
// The procedural filterer's code is loaded only when needed and must be
// present before returning response to caller.
if (
scf.proceduralFilters.length !== 0 || (
logger.enabled && (
scf.convertedProceduralFilters.length !== 0 ||
scf.exceptedFilters.length !== 0
)
)
) {
await vAPI.tabs.executeScript(tabId, {
allFrames: false,
file: '/js/contentscript-extra.js',
frameId,
matchAboutBlank: true,
runAt: 'document_start',
});
}
// https://github.com/uBlockOrigin/uBlock-issues/issues/688#issuecomment-748179731
// For non-network URIs, scriptlet injection is deferred to here. The
// effective URL is available here in `request.url`.
if (
µb.canInjectScriptletsNow === false ||
isNetworkURI(sender.frameURL) === false
) {
scriptletFilteringEngine.injectNow(request);
}
// https://github.com/NanoMeow/QuickReports/issues/6#issuecomment-414516623
// Inject as early as possible to make the cosmetic logger code less
// sensitive to the removal of DOM nodes which may match injected
// cosmetic filters.
if ( logger.enabled ) {
if (
noSpecificCosmeticFiltering === false ||
noGenericCosmeticFiltering === false
) {
vAPI.tabs.executeScript(tabId, {
allFrames: false,
file: '/js/scriptlets/cosmetic-logger.js',
frameId,
matchAboutBlank: true,
runAt: 'document_start',
});
}
}
return response;
};
const onMessage = function(request, sender, callback) {
// Async
switch ( request.what ) {
case 'retrieveContentScriptParameters':
return retrieveContentScriptParameters(
sender,
request
).then(response => {
callback(response);
});
default:
break;
}
const pageStore = µb.pageStoreFromTabId(sender.tabId);
// Sync
let response;
switch ( request.what ) {
case 'cosmeticFiltersInjected':
cosmeticFilteringEngine.addToSelectorCache(request);
break;
case 'getCollapsibleBlockedRequests':
response = {
id: request.id,
hash: request.hash,
netSelectorCacheCountMax:
cosmeticFilteringEngine.netSelectorCacheCountMax,
};
if (
µb.userSettings.collapseBlocked &&
pageStore && pageStore.getNetFilteringSwitch()
) {
pageStore.getBlockedResources(request, response);
}
break;
case 'maybeGoodPopup':
µb.maybeGoodPopup.tabId = sender.tabId;
µb.maybeGoodPopup.url = request.url;
break;
case 'shouldRenderNoscriptTags':
if ( pageStore === null ) { break; }
const fctxt = µb.filteringContext.fromTabId(sender.tabId);
if ( pageStore.filterScripting(fctxt, undefined) ) {
vAPI.tabs.executeScript(sender.tabId, {
file: '/js/scriptlets/noscript-spoof.js',
frameId: sender.frameId,
runAt: 'document_end',
});
}
break;
case 'retrieveGenericCosmeticSelectors':
request.tabId = sender.tabId;
request.frameId = sender.frameId;
response = {
result: 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) {
// Async
switch ( request.what ) {
// The procedural filterer must be present in case the user wants to
// type-in custom filters.
case 'elementPickerArguments':
return vAPI.tabs.executeScript(sender.tabId, {
allFrames: false,
file: '/js/contentscript-extra.js',
frameId: sender.frameId,
matchAboutBlank: true,
runAt: 'document_start',
}).then(( ) => {
callback({
target: µb.epickerArgs.target,
mouse: µb.epickerArgs.mouse,
zap: µb.epickerArgs.zap,
eprom: µb.epickerArgs.eprom,
pickerURL: vAPI.getURL(`/web_accessible_resources/epicker-ui.html?secret=${vAPI.warSecret()}`),
});
µb.epickerArgs.target = '';
});
default:
break;
}
// Sync
let response;
switch ( request.what ) {
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 fromBase64 = function(encoded) {
if ( typeof encoded !== 'string' ) {
return Promise.resolve(encoded);
}
let u8array;
try {
u8array = denseBase64.decode(encoded);
} catch(ex) {
}
return Promise.resolve(u8array !== undefined ? u8array : encoded);
};
const toBase64 = function(data) {
const value = data instanceof Uint8Array
? denseBase64.encode(data)
: data;
return Promise.resolve(value);
};
const compress = function(json) {
return lz4Codec.encode(json, toBase64);
};
const decompress = function(encoded) {
return lz4Codec.decode(encoded, fromBase64);
};
const onMessage = function(request, sender, callback) {
// Cloud storage support is optional.
if ( µb.cloudStorageSupported !== true ) {
callback();
return;
}
// Async
switch ( request.what ) {
case 'cloudGetOptions':
vAPI.cloud.getOptions(function(options) {
options.enabled = µb.userSettings.cloudStorageEnabled === true;
callback(options);
});
return;
case 'cloudSetOptions':
vAPI.cloud.setOptions(request.options, callback);
return;
case 'cloudPull':
request.decode = decompress;
return vAPI.cloud.pull(request).then(result => {
callback(result);
});
case 'cloudPush':
if ( µb.hiddenSettings.cloudStorageCompression ) {
request.encode = compress;
}
return vAPI.cloud.push(request).then(result => {
callback(result);
});
case 'cloudUsed':
return vAPI.cloud.used(request.datakey).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
// 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.getModifiedSettings(µb.userSettings, µb.userSettingsDefault),
selectedFilterLists: µb.selectedFilterLists,
hiddenSettings:
µb.getModifiedSettings(µb.hiddenSettings, µb.hiddenSettingsDefault),
whitelist: µb.arrayFromWhitelist(µb.netWhitelist),
dynamicFilteringString: permanentFirewall.toString(),
urlFilteringString: permanentURLFiltering.toString(),
hostnameSwitchesString: 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/LiCybora/NanoDefenderFirefox/issues/196
// Backup data could be from Chromium platform or from an older
// Firefox version.
if (
vAPI.webextFlavor.soup.has('firefox') &&
vAPI.app.intFromVersion(userData.version) <= 1031003011
) {
userData.hostnameSwitchesString += '\nno-csp-reports: * true';
}
// List of external lists is meant to be a string.
if ( Array.isArray(userData.externalLists) ) {
userData.externalLists = userData.externalLists.join('\n');
}
// https://github.com/chrisaljoudi/uBlock/issues/1102
// Ensure all currently cached assets are flushed from storage AND memory.