mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-10 09:07:54 +01:00
127 lines
4 KiB
JavaScript
127 lines
4 KiB
JavaScript
/*******************************************************************************
|
|
|
|
uBlock Origin - a browser extension to block requests.
|
|
Copyright (C) 2019-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
|
|
|
|
The scriptlets below are meant to be injected only into a
|
|
web page context.
|
|
*/
|
|
|
|
/* jshint esversion:11 */
|
|
|
|
'use strict';
|
|
|
|
/******************************************************************************/
|
|
|
|
/// name no-settimeout-if
|
|
/// alias no-setTimeout-if
|
|
/// alias nostif
|
|
|
|
/******************************************************************************/
|
|
|
|
// Important!
|
|
// Isolate from global scope
|
|
(function uBOL_noSetTimeoutIf() {
|
|
|
|
/******************************************************************************/
|
|
|
|
// $rulesetId$
|
|
|
|
const argsList = self.$argsList$;
|
|
|
|
const hostnamesMap = new Map(self.$hostnamesMap$);
|
|
|
|
/******************************************************************************/
|
|
|
|
const scriptlet = (
|
|
needle = '',
|
|
delay = ''
|
|
) => {
|
|
const needleNot = needle.charAt(0) === '!';
|
|
if ( needleNot ) { needle = needle.slice(1); }
|
|
if ( delay === '' ) { delay = undefined; }
|
|
let delayNot = false;
|
|
if ( delay !== undefined ) {
|
|
delayNot = delay.charAt(0) === '!';
|
|
if ( delayNot ) { delay = delay.slice(1); }
|
|
delay = parseInt(delay, 10);
|
|
}
|
|
if ( needle.startsWith('/') && needle.endsWith('/') ) {
|
|
needle = needle.slice(1,-1);
|
|
} else if ( needle !== '' ) {
|
|
needle = needle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
|
|
}
|
|
const reNeedle = new RegExp(needle);
|
|
const regexpTest = RegExp.prototype.test;
|
|
self.setTimeout = new Proxy(self.setTimeout, {
|
|
apply: function(target, thisArg, args) {
|
|
const a = String(args[0]);
|
|
const b = args[1];
|
|
let defuse;
|
|
if ( needle !== '' ) {
|
|
defuse = regexpTest.call(reNeedle, a) !== needleNot;
|
|
}
|
|
if ( defuse !== false && delay !== undefined ) {
|
|
defuse = (b === delay || isNaN(b) && isNaN(delay) ) !== delayNot;
|
|
}
|
|
if ( defuse ) {
|
|
args[0] = function(){};
|
|
}
|
|
return target.apply(thisArg, args);
|
|
},
|
|
get(target, prop, receiver) {
|
|
if ( prop === 'toString' ) {
|
|
return target.toString.bind(target);
|
|
}
|
|
return Reflect.get(target, prop, receiver);
|
|
},
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
let hn;
|
|
try { hn = document.location.hostname; } catch(ex) { }
|
|
while ( hn ) {
|
|
if ( hostnamesMap.has(hn) ) {
|
|
let argsIndices = hostnamesMap.get(hn);
|
|
if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
|
|
for ( const argsIndex of argsIndices ) {
|
|
const details = argsList[argsIndex];
|
|
if ( details.n && details.n.includes(hn) ) { continue; }
|
|
try { scriptlet(...details.a); } catch(ex) {}
|
|
}
|
|
}
|
|
if ( hn === '*' ) { break; }
|
|
const pos = hn.indexOf('.');
|
|
if ( pos !== -1 ) {
|
|
hn = hn.slice(pos + 1);
|
|
} else {
|
|
hn = '*';
|
|
}
|
|
}
|
|
|
|
argsList.length = 0;
|
|
hostnamesMap.clear();
|
|
|
|
/******************************************************************************/
|
|
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|