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Exception script tag filter makes no sense: reject such filters

This commit is contained in:
gorhill 2015-09-30 10:17:25 -04:00
parent a56dfe1858
commit 6b9848cf0d
1 changed files with 4 additions and 3 deletions
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7
src/js/cosmetic-filtering.js
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@ -267,6 +267,7 @@ FilterParser.prototype.parse = function(s) {
// Remember original string
this.prefix = matches[1];
this.suffix = matches[3];
this.unhide = matches[2].charAt(1) === '@' ? 1 : 0;
// 2014-05-23:
// https://github.com/gorhill/httpswitchboard/issues/260
@ -288,8 +289,9 @@ FilterParser.prototype.parse = function(s) {
// overhead in the content script.
// Example: focus.de##script:contains(/uabInject/)
if ( this.suffix.charAt(0) === 's' && this.reScriptContains.test(this.suffix) ) {
// Currently supported only as non-generic selector.
if ( this.prefix.length === 0 ) {
// Currently supported only as non-generic selector. Also, exception
// script tag filter makes no sense, ignore.
if ( this.prefix.length === 0 || this.unhide === 1 ) {
this.invalid = true;
return this;
}
@ -302,7 +304,6 @@ FilterParser.prototype.parse = function(s) {
}
}
this.unhide = matches[2].charAt(1) === '@' ? 1 : 0;
if ( this.prefix !== '' ) {
this.hostnames = this.prefix.split(/\s*,\s*/);
}