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Improve `noeval-if` scriptlet 

Related feedback:
https://github.com/uBlockOrigin/uBlock-discussions/discussions/841#discussioncomment-9320245
This commit is contained in:
Raymond Hill 2024-05-05 11:46:16 -04:00
parent a351852268
commit 4d8ee35ef7
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1 changed files with 10 additions and 3 deletions
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13
assets/resources/scriptlets.js
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@ -2015,12 +2015,19 @@ function noEvalIf(
) { ) {
if ( typeof needle !== 'string' ) { return; } if ( typeof needle !== 'string' ) { return; }
const safe = safeSelf(); const safe = safeSelf();
const logPrefix = safe.makeLogPrefix('noeval-if', needle);
const reNeedle = safe.patternToRegex(needle); const reNeedle = safe.patternToRegex(needle);
window.eval = new Proxy(window.eval, { // jshint ignore: line window.eval = new Proxy(window.eval, { // jshint ignore: line
apply: function(target, thisArg, args) { apply: function(target, thisArg, args) {
const a = args[0]; const a = String(args[0]);
if ( reNeedle.test(a.toString()) ) { return; } if ( needle !== '' && reNeedle.test(a) ) {
return target.apply(thisArg, args); safe.uboLog(logPrefix, 'Prevented:\n', a);
return;
}
if ( needle === '' || safe.logLevel > 1 ) {
safe.uboLog(logPrefix, 'Not prevented:\n', a);
}
return Reflect.apply(target, thisArg, args);
} }
}); });
} }