uBlock/platform/mv3/extension/js/admin.js

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/*******************************************************************************
uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
Copyright (C) 2022-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
*/
import {
adminRead,
localRead, localWrite,
sessionRead, sessionWrite,
} from './ext.js';
import {
enableRulesets,
getRulesetDetails,
} from './ruleset-manager.js';
import {
getTrustedSites,
readFilteringModeDetails,
} from './mode-manager.js';
import { broadcastMessage } from './utils.js';
import { dnr } from './ext.js';
import { registerInjectables } from './scripting-manager.js';
import { rulesetConfig } from './config.js';
import { ubolLog } from './debug.js';
/******************************************************************************/
const adminSettings = {
keys: new Set(),
timer: undefined,
change(key) {
this.keys.add(key);
if ( this.timer !== undefined ) { return; }
this.timer = self.setTimeout(( ) => {
this.timer = undefined;
this.process();
}, 127);
},
async process() {
if ( this.keys.has('rulesets') ) {
ubolLog('admin setting "rulesets" changed');
await enableRulesets(rulesetConfig.enabledRulesets);
await registerInjectables();
const results = await Promise.all([
getAdminRulesets(),
dnr.getEnabledRulesets(),
]);
const [ adminRulesets, enabledRulesets ] = results;
broadcastMessage({ adminRulesets, enabledRulesets });
}
if ( this.keys.has('noFiltering') ) {
ubolLog('admin setting "noFiltering" changed');
await readFilteringModeDetails(true);
const trustedSites = await getTrustedSites();
broadcastMessage({ trustedSites: Array.from(trustedSites) });
}
this.keys.clear();
}
};
/******************************************************************************/
export async function getAdminRulesets() {
const adminList = await adminReadEx('rulesets');
const adminRulesets = new Set(Array.isArray(adminList) && adminList || []);
if ( adminRulesets.has('-*') ) {
adminRulesets.delete('-*');
const rulesetDetails = await getRulesetDetails();
for ( const ruleset of rulesetDetails.values() ) {
if ( ruleset.enabled ) { continue; }
if ( adminRulesets.has(`+${ruleset.id}`) ) { continue; }
adminRulesets.add(`-${ruleset.id}`);
}
}
return Array.from(adminRulesets);
}
/******************************************************************************/
export async function adminReadEx(key) {
let cacheValue;
const session = await sessionRead(`admin_${key}`);
if ( session ) {
cacheValue = session.data;
} else {
const local = await localRead(`admin_${key}`);
if ( local ) {
cacheValue = local.data;
}
}
adminRead(key).then(async value => {
const adminKey = `admin_${key}`;
await Promise.all([
sessionWrite(adminKey, { data: value }),
localWrite(adminKey, { data: value }),
]);
if ( JSON.stringify(value) === JSON.stringify(cacheValue) ) { return; }
adminSettings.change(key);
});
return cacheValue;
}
/******************************************************************************/