uBlock/platform/mv3/scriptlets/scriptlet.template.js

176 lines
5.1 KiB
JavaScript
Raw Normal View History

/*******************************************************************************
uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
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
*/
/* jshint esversion:11 */
/* global cloneInto */
'use strict';
// ruleset: $rulesetId$
/******************************************************************************/
// Important!
// Isolate from global scope
// Start of local scope
(( ) => {
/******************************************************************************/
2023-08-11 15:55:29 -06:00
// Start of code to inject
const uBOL_$scriptletName$ = function() {
const scriptletGlobals = new Map(); // jshint ignore: line
const argsList = self.$argsList$;
const hostnamesMap = new Map(self.$hostnamesMap$);
const entitiesMap = new Map(self.$entitiesMap$);
const exceptionsMap = new Map(self.$exceptionsMap$);
/******************************************************************************/
function $scriptletName$(){}
/******************************************************************************/
const hnParts = [];
try { hnParts.push(...document.location.hostname.split('.')); }
catch(ex) { }
const hnpartslen = hnParts.length;
if ( hnpartslen === 0 ) { return; }
const todoIndices = new Set();
const tonotdoIndices = [];
// Exceptions
if ( exceptionsMap.size !== 0 ) {
for ( let i = 0; i < hnpartslen; i++ ) {
const hn = hnParts.slice(i).join('.');
const excepted = exceptionsMap.get(hn);
if ( excepted ) { tonotdoIndices.push(...excepted); }
}
exceptionsMap.clear();
}
// Hostname-based
if ( hostnamesMap.size !== 0 ) {
const collectArgIndices = hn => {
let argsIndices = hostnamesMap.get(hn);
if ( argsIndices === undefined ) { return; }
if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
for ( const argsIndex of argsIndices ) {
if ( tonotdoIndices.includes(argsIndex) ) { continue; }
todoIndices.add(argsIndex);
}
};
for ( let i = 0; i < hnpartslen; i++ ) {
const hn = hnParts.slice(i).join('.');
collectArgIndices(hn);
}
collectArgIndices('*');
hostnamesMap.clear();
}
// Entity-based
if ( entitiesMap.size !== 0 ) {
const n = hnpartslen - 1;
for ( let i = 0; i < n; i++ ) {
for ( let j = n; j > i; j-- ) {
const en = hnParts.slice(i,j).join('.');
let argsIndices = entitiesMap.get(en);
if ( argsIndices === undefined ) { continue; }
if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
for ( const argsIndex of argsIndices ) {
if ( tonotdoIndices.includes(argsIndex) ) { continue; }
todoIndices.add(argsIndex);
}
}
}
entitiesMap.clear();
}
// Apply scriplets
for ( const i of todoIndices ) {
try { $scriptletName$(...argsList[i]); }
catch(ex) {}
}
argsList.length = 0;
/******************************************************************************/
};
2023-08-11 15:55:29 -06:00
// End of code to inject
/******************************************************************************/
// Inject code
// https://bugzilla.mozilla.org/show_bug.cgi?id=1736575
2023-08-19 17:56:00 -06:00
// 'MAIN' world not yet supported in Firefox, so we inject the code into
// 'MAIN' ourself when environment in Firefox.
const targetWorld = '$world$';
// Not Firefox
if ( typeof wrappedJSObject !== 'object' || targetWorld === 'ISOLATED' ) {
return uBOL_$scriptletName$();
}
// Firefox
{
const page = self.wrappedJSObject;
let script, url;
try {
page.uBOL_$scriptletName$ = cloneInto([
[ '(', uBOL_$scriptletName$.toString(), ')();' ],
{ type: 'text/javascript; charset=utf-8' },
], self);
const blob = new page.Blob(...page.uBOL_$scriptletName$);
url = page.URL.createObjectURL(blob);
const doc = page.document;
script = doc.createElement('script');
script.async = false;
script.src = url;
(doc.head || doc.documentElement || doc).append(script);
} catch (ex) {
console.error(ex);
}
if ( url ) {
if ( script ) { script.remove(); }
page.URL.revokeObjectURL(url);
}
delete page.uBOL_$scriptletName$;
}
/******************************************************************************/
// End of local scope
})();
/******************************************************************************/
void 0;