mirror of
https://github.com/gorhill/uBlock.git
synced 2024-07-08 12:57:57 +02:00
511 lines
16 KiB
JavaScript
511 lines
16 KiB
JavaScript
/*******************************************************************************
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uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
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Copyright (C) 2014-present 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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import { browser, localRead, localWrite, sendMessage } from './ext.js';
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import { dom, qs$, qsa$ } from './dom.js';
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import { i18n, i18n$ } from './i18n.js';
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import punycode from './punycode.js';
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/******************************************************************************/
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const rulesetMap = new Map();
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let cachedRulesetData = {};
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let hideUnusedSet = new Set([ 'regions' ]);
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/******************************************************************************/
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function renderNumber(value) {
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return value.toLocaleString();
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}
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function hashFromIterable(iter) {
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return Array.from(iter).sort().join('\n');
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}
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/******************************************************************************/
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function rulesetStats(rulesetId) {
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const hasOmnipotence = cachedRulesetData.defaultFilteringMode > 1;
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const rulesetDetails = rulesetMap.get(rulesetId);
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if ( rulesetDetails === undefined ) { return; }
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const { rules, filters } = rulesetDetails;
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let ruleCount = rules.plain + rules.regex;
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if ( hasOmnipotence ) {
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ruleCount += rules.removeparam + rules.redirect + rules.modifyHeaders;
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}
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const filterCount = filters.accepted;
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return { ruleCount, filterCount };
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}
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/******************************************************************************/
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function renderFilterLists() {
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const { enabledRulesets, rulesetDetails } = cachedRulesetData;
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const listGroupTemplate = qs$('#templates .groupEntry');
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const listEntryTemplate = qs$('#templates .listEntry');
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const listStatsTemplate = i18n$('perRulesetStats');
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const groupNames = new Map([ [ 'user', '' ] ]);
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const liFromListEntry = function(ruleset, li, hideUnused) {
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if ( !li ) {
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li = dom.clone(listEntryTemplate);
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}
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const on = enabledRulesets.includes(ruleset.id);
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dom.cl.toggle(li, 'checked', on);
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dom.cl.toggle(li, 'unused', hideUnused && !on);
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qs$(li, 'input[type="checkbox"]').checked = on;
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if ( dom.attr(li, 'data-listkey') !== ruleset.id ) {
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dom.attr(li, 'data-listkey', ruleset.id);
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qs$(li, '.listname').append(i18n.patchUnicodeFlags(ruleset.name));
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dom.cl.remove(li, 'toRemove');
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if ( ruleset.homeURL ) {
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dom.cl.add(li, 'support');
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dom.attr(qs$(li, 'a.support'), 'href', ruleset.homeURL);
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} else {
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dom.cl.remove(li, 'support');
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}
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if ( ruleset.instructionURL ) {
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dom.cl.add(li, 'mustread');
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dom.attr(qs$(li, 'a.mustread'), 'href', ruleset.instructionURL);
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} else {
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dom.cl.remove(li, 'mustread');
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}
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dom.cl.toggle(li, 'isDefault', ruleset.id === 'default');
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}
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const stats = rulesetStats(ruleset.id);
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li.title = listStatsTemplate
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.replace('{{ruleCount}}', renderNumber(stats.ruleCount))
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.replace('{{filterCount}}', renderNumber(stats.filterCount));
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dom.attr(
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qs$(li, '.input.checkbox'),
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'disabled',
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stats.ruleCount === 0 ? '' : null
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);
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dom.cl.remove(li, 'discard');
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return li;
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};
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const listEntryCountFromGroup = function(groupRulesets) {
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if ( Array.isArray(groupRulesets) === false ) { return ''; }
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let count = 0,
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total = 0;
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for ( const ruleset of groupRulesets ) {
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if ( enabledRulesets.includes(ruleset.id) ) {
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count += 1;
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}
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total += 1;
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}
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return total !== 0 ?
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`(${count.toLocaleString()}/${total.toLocaleString()})` :
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'';
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};
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const liFromListGroup = function(groupKey, groupRulesets) {
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let liGroup = qs$(`#lists > .groupEntry[data-groupkey="${groupKey}"]`);
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if ( liGroup === null ) {
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liGroup = dom.clone(listGroupTemplate);
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let groupName = groupNames.get(groupKey);
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if ( groupName === undefined ) {
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groupName = i18n$('3pGroup' + groupKey.charAt(0).toUpperCase() + groupKey.slice(1));
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groupNames.set(groupKey, groupName);
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}
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if ( groupName !== '' ) {
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dom.text(qs$(liGroup, '.geName'), groupName);
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}
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}
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if ( qs$(liGroup, '.geName:empty') === null ) {
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dom.text(
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qs$(liGroup, '.geCount'),
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listEntryCountFromGroup(groupRulesets)
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);
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}
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const hideUnused = mustHideUnusedLists(groupKey);
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dom.cl.toggle(liGroup, 'hideUnused', hideUnused);
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const ulGroup = qs$(liGroup, '.listEntries');
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if ( !groupRulesets ) { return liGroup; }
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groupRulesets.sort(function(a, b) {
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return (a.name || '').localeCompare(b.name || '');
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});
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for ( let i = 0; i < groupRulesets.length; i++ ) {
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const liEntry = liFromListEntry(
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groupRulesets[i],
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ulGroup.children[i],
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hideUnused
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);
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if ( liEntry.parentElement === null ) {
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ulGroup.appendChild(liEntry);
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}
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}
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return liGroup;
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};
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// Visually split the filter lists in groups
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const ulLists = qs$('#lists');
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const groups = new Map([
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[
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'default',
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rulesetDetails.filter(ruleset =>
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ruleset.id === 'default'
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),
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],
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[
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'annoyances',
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rulesetDetails.filter(ruleset =>
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ruleset.group === 'annoyances'
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),
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],
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[
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'misc',
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rulesetDetails.filter(ruleset =>
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ruleset.id !== 'default' &&
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ruleset.group === undefined &&
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typeof ruleset.lang !== 'string'
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),
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],
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[
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'regions',
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rulesetDetails.filter(ruleset =>
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typeof ruleset.lang === 'string'
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),
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],
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]);
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dom.cl.toggle(dom.body, 'hideUnused', mustHideUnusedLists('*'));
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for ( const [ groupKey, groupRulesets ] of groups ) {
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const liGroup = liFromListGroup(groupKey, groupRulesets);
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dom.attr(liGroup, 'data-groupkey', groupKey);
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if ( liGroup.parentElement === null ) {
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ulLists.appendChild(liGroup);
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}
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}
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}
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/******************************************************************************/
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function renderWidgets() {
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if ( cachedRulesetData.firstRun ) {
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dom.cl.add(dom.body, 'firstRun');
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}
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renderDefaultMode();
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renderTrustedSites();
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qs$('#autoReload input[type="checkbox"]').checked = cachedRulesetData.autoReload;
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{
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const input = qs$('#showBlockedCount input[type="checkbox"]');
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if ( cachedRulesetData.canShowBlockedCount ) {
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input.checked = cachedRulesetData.showBlockedCount;
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} else {
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input.checked = false;
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dom.attr(input, 'disabled', '');
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}
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}
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// Compute total counts
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let rulesetCount = 0;
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let filterCount = 0;
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let ruleCount = 0;
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for ( const liEntry of qsa$('#lists .listEntry[data-listkey]') ) {
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if ( qs$(liEntry, 'input[type="checkbox"]:checked') === null ) { continue; }
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rulesetCount += 1;
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const stats = rulesetStats(liEntry.dataset.listkey);
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if ( stats === undefined ) { continue; }
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ruleCount += stats.ruleCount;
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filterCount += stats.filterCount;
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}
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dom.text('#listsOfBlockedHostsPrompt', i18n$('perRulesetStats')
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.replace('{{ruleCount}}', ruleCount.toLocaleString())
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.replace('{{filterCount}}', filterCount.toLocaleString())
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);
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dom.cl.toggle(dom.body, 'noMoreRuleset',
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rulesetCount === cachedRulesetData.maxNumberOfEnabledRulesets
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);
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}
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/******************************************************************************/
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function renderDefaultMode() {
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const defaultLevel = cachedRulesetData.defaultFilteringMode;
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if ( defaultLevel !== 0 ) {
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qs$(`.filteringModeCard input[type="radio"][value="${defaultLevel}"]`).checked = true;
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} else {
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dom.prop('.filteringModeCard input[type="radio"]', 'checked', false);
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}
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}
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/******************************************************************************/
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async function onFilteringModeChange(ev) {
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const input = ev.target;
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const newLevel = parseInt(input.value, 10);
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switch ( newLevel ) {
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case 1: { // Revoke broad permissions
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await browser.permissions.remove({
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origins: [ '<all_urls>' ]
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});
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cachedRulesetData.defaultFilteringMode = 1;
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break;
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}
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case 2:
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case 3: { // Request broad permissions
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const granted = await browser.permissions.request({
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origins: [ '<all_urls>' ]
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});
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if ( granted ) {
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const actualLevel = await sendMessage({
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what: 'setDefaultFilteringMode',
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level: newLevel,
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});
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cachedRulesetData.defaultFilteringMode = actualLevel;
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}
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break;
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}
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default:
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break;
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}
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renderFilterLists();
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renderWidgets();
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}
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dom.on(
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'#defaultFilteringMode',
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'change',
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'.filteringModeCard input[type="radio"]',
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ev => { onFilteringModeChange(ev); }
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);
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/******************************************************************************/
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dom.on('#autoReload input[type="checkbox"]', 'change', ev => {
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sendMessage({
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what: 'setAutoReload',
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state: ev.target.checked,
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});
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});
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dom.on('#showBlockedCount input[type="checkbox"]', 'change', ev => {
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sendMessage({
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what: 'setShowBlockedCount',
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state: ev.target.checked,
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});
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});
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/******************************************************************************/
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function renderTrustedSites() {
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const textarea = qs$('#trustedSites');
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const hostnames = cachedRulesetData.trustedSites;
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textarea.value = hostnames.map(hn => punycode.toUnicode(hn)).join('\n');
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if ( textarea.value !== '' ) {
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textarea.value += '\n';
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}
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}
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function changeTrustedSites() {
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const hostnames = getStagedTrustedSites();
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const hash = hashFromIterable(cachedRulesetData.trustedSites);
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if ( hashFromIterable(hostnames) === hash ) { return; }
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sendMessage({
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what: 'setTrustedSites',
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hostnames,
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});
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}
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function getStagedTrustedSites() {
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const textarea = qs$('#trustedSites');
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return textarea.value.split(/\s/).map(hn => {
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try {
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return punycode.toASCII(
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(new URL(`https://${hn}/`)).hostname
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);
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} catch(_) {
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}
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return '';
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}).filter(hn => hn !== '');
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}
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dom.on('#trustedSites', 'blur', changeTrustedSites);
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self.addEventListener('beforeunload', changeTrustedSites);
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/******************************************************************************/
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async function applyEnabledRulesets() {
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const enabledRulesets = [];
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for ( const liEntry of qsa$('#lists .listEntry[data-listkey]') ) {
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const checked = qs$(liEntry, 'input[type="checkbox"]:checked') !== null;
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dom.cl.toggle(liEntry, 'checked', checked);
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if ( checked === false ) { continue; }
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enabledRulesets.push(liEntry.dataset.listkey);
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}
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await sendMessage({
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what: 'applyRulesets',
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enabledRulesets,
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});
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renderWidgets();
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}
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dom.on('#lists', 'change', '.listEntry input[type="checkbox"]', ( ) => {
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applyEnabledRulesets();
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});
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/******************************************************************************/
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// Collapsing of unused lists.
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function mustHideUnusedLists(which) {
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const hideAll = hideUnusedSet.has('*');
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if ( which === '*' ) { return hideAll; }
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return hideUnusedSet.has(which) !== hideAll;
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}
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function toggleHideUnusedLists(which) {
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const doesHideAll = hideUnusedSet.has('*');
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let groupSelector;
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let mustHide;
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if ( which === '*' ) {
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mustHide = doesHideAll === false;
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groupSelector = '';
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hideUnusedSet.clear();
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if ( mustHide ) {
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hideUnusedSet.add(which);
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}
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dom.cl.toggle(dom.body, 'hideUnused', mustHide);
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dom.cl.toggle('.groupEntry[data-groupkey]', 'hideUnused', mustHide);
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} else {
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const doesHide = hideUnusedSet.has(which);
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if ( doesHide ) {
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hideUnusedSet.delete(which);
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} else {
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hideUnusedSet.add(which);
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}
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mustHide = doesHide === doesHideAll;
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groupSelector = `.groupEntry[data-groupkey="${which}"]`;
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dom.cl.toggle(groupSelector, 'hideUnused', mustHide);
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}
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for ( const elem of qsa$(`#lists ${groupSelector} .listEntry[data-listkey] input[type="checkbox"]:not(:checked)`) ) {
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dom.cl.toggle(
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elem.closest('.listEntry[data-listkey]'),
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'unused',
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mustHide
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);
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}
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localWrite('hideUnusedFilterLists', Array.from(hideUnusedSet));
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}
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dom.on('#lists', 'click', '.groupEntry[data-groupkey] > .geDetails', ev => {
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toggleHideUnusedLists(
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dom.attr(ev.target.closest('[data-groupkey]'), 'data-groupkey')
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);
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});
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// Initialize from saved state.
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localRead('hideUnusedFilterLists').then(value => {
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if ( Array.isArray(value) === false ) { return; }
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hideUnusedSet = new Set(value);
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});
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/******************************************************************************/
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const bc = new self.BroadcastChannel('uBOL');
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bc.onmessage = ev => {
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const message = ev.data;
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if ( message instanceof Object === false ) { return; }
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const local = cachedRulesetData;
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let render = false;
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// Keep added sites which have not yet been committed
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if ( message.trustedSites !== undefined ) {
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if ( hashFromIterable(message.trustedSites) !== hashFromIterable(local.trustedSites) ) {
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const current = new Set(local.trustedSites);
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const staged = new Set(getStagedTrustedSites());
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for ( const hn of staged ) {
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if ( current.has(hn) === false ) { continue; }
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staged.delete(hn);
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}
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const combined = Array.from(new Set([ ...message.trustedSites, ...staged ]));
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local.trustedSites = combined;
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render = true;
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}
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}
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if ( message.defaultFilteringMode !== undefined ) {
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if ( message.defaultFilteringMode !== local.defaultFilteringMode ) {
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local.defaultFilteringMode = message.defaultFilteringMode;
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render = true;
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}
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}
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if ( message.autoReload !== undefined ) {
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if ( message.autoReload !== local.autoReload ) {
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local.autoReload = message.autoReload;
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render = true;
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}
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}
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if ( message.showBlockedCount !== undefined ) {
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if ( message.showBlockedCount !== local.showBlockedCount ) {
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local.showBlockedCount = message.showBlockedCount;
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render = true;
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}
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}
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if ( message.enabledRulesets !== undefined ) {
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if ( hashFromIterable(message.enabledRulesets) !== hashFromIterable(local.enabledRulesets) ) {
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local.enabledRulesets = message.enabledRulesets;
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render = true;
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}
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}
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if ( render === false ) { return; }
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renderFilterLists();
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renderWidgets();
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};
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/******************************************************************************/
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sendMessage({
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what: 'getOptionsPageData',
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}).then(data => {
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if ( !data ) { return; }
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cachedRulesetData = data;
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rulesetMap.clear();
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cachedRulesetData.rulesetDetails.forEach(rule => rulesetMap.set(rule.id, rule));
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try {
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renderFilterLists();
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renderWidgets();
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} catch(ex) {
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}
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}).catch(reason => {
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console.trace(reason);
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});
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/******************************************************************************/
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