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/*******************************************************************************
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
*/
(function() {
'use strict';
const signatures = [
[ 'blockadblock' ],
[ 'babasbm' ],
[ /getItem\('babn'\)/ ],
[
'getElementById',
'String.fromCharCode',
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789',
'charAt',
'DOMContentLoaded',
'AdBlock',
'addEventListener',
'doScroll',
'fromCharCode',
'<<2|r>>4',
'sessionStorage',
'clientWidth',
'localStorage',
'Math',
'random'
],
];
const check = function(s) {
for ( let i = 0; i < signatures.length; i++ ) {
const tokens = signatures[i];
let match = 0;
for ( let j = 0; j < tokens.length; j++ ) {
const token = tokens[j];
const pos = token instanceof RegExp
? s.search(token)
: s.indexOf(token);
if ( pos !== -1 ) { match += 1; }
}
if ( (match / tokens.length) >= 0.8 ) { return true; }
}
return false;
};
window.eval = new Proxy(window.eval, { // jshint ignore: line
apply: function(target, thisArg, args) {
const a = args[0];
if ( typeof a !== 'string' || !check(a) ) {
return target.apply(thisArg, args);
}
if ( document.body ) {
document.body.style.removeProperty('visibility');
}
let el = document.getElementById('babasbmsgx');
if ( el ) {
el.parentNode.removeChild(el);
}
}
});
window.setTimeout = new Proxy(window.setTimeout, {
apply: function(target, thisArg, args) {
const a = args[0];
if (
typeof a !== 'string' ||
/\.bab_elementid.$/.test(a) === false
) {
return target.apply(thisArg, args);
}
}
});
})();
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