mirror of
https://github.com/gorhill/uBlock.git
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116 lines
3.6 KiB
JavaScript
116 lines
3.6 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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// ruleset: $rulesetId$
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// Important!
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// Isolate from global scope
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// Start of local scope
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(function uBOL_$scriptletName$() {
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/******************************************************************************/
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function $scriptletName$(){}
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/******************************************************************************/
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const scriptletGlobals = {}; // eslint-disable-line
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const argsList = self.$argsList$;
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const hostnamesMap = new Map(self.$hostnamesMap$);
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const exceptionsMap = new Map(self.$exceptionsMap$);
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const hasEntities = self.$hasEntities$;
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const hasAncestors = self.$hasAncestors$;
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const collectArgIndices = (hn, map, out) => {
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let argsIndices = map.get(hn);
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if ( argsIndices === undefined ) { return; }
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if ( typeof argsIndices !== 'number' ) {
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for ( const argsIndex of argsIndices ) {
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out.add(argsIndex);
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}
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} else {
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out.add(argsIndices);
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}
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};
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const indicesFromHostname = (hostname, suffix = '') => {
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const hnParts = hostname.split('.');
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const hnpartslen = hnParts.length;
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if ( hnpartslen === 0 ) { return; }
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for ( let i = 0; i < hnpartslen; i++ ) {
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const hn = `${hnParts.slice(i).join('.')}${suffix}`;
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collectArgIndices(hn, hostnamesMap, todoIndices);
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collectArgIndices(hn, exceptionsMap, tonotdoIndices);
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}
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if ( hasEntities ) {
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const n = hnpartslen - 1;
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for ( let i = 0; i < n; i++ ) {
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for ( let j = n; j > i; j-- ) {
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const en = `${hnParts.slice(i,j).join('.')}.*${suffix}`;
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collectArgIndices(en, hostnamesMap, todoIndices);
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collectArgIndices(en, exceptionsMap, tonotdoIndices);
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}
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}
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}
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};
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const entries = (( ) => {
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const docloc = document.location;
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const origins = [ docloc.origin ];
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if ( docloc.ancestorOrigins ) {
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origins.push(...docloc.ancestorOrigins);
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}
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return origins.map((origin, i) => {
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const beg = origin.lastIndexOf('://');
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if ( beg === -1 ) { return; }
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const hn = origin.slice(beg+3)
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const end = hn.indexOf(':');
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return { hn: end === -1 ? hn : hn.slice(0, end), i };
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}).filter(a => a !== undefined);
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})();
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if ( entries.length === 0 ) { return; }
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const todoIndices = new Set();
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const tonotdoIndices = new Set();
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indicesFromHostname(entries[0].hn);
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if ( hasAncestors ) {
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for ( const entry of entries ) {
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if ( entry.i === 0 ) { continue; }
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indicesFromHostname(entry.hn, '>>');
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}
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}
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// Apply scriplets
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for ( const i of todoIndices ) {
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if ( tonotdoIndices.has(i) ) { continue; }
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try { $scriptletName$(...argsList[i]); }
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catch { }
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}
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/******************************************************************************/
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// End of local scope
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})();
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void 0;
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