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Code Issues Releases Wiki Activity

more sensible fix to #1725

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This commit is contained in:
gorhill 2016-06-16 10:55:49 -04:00
parent a33dc4f8e2
commit 1cd24380ce
1 changed files with 17 additions and 9 deletions
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26
src/js/scriptlets/element-picker.js
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@ -337,19 +337,17 @@ var backgroundImageURLFromElement = function(elem) {
/******************************************************************************/
// https://github.com/gorhill/uBlock/issues/1725#issuecomment-226479197
// Limit returned string to 2048 characters.
// Limit returned string to 1024 characters.
// Also, return only URLs which will be seen by an HTTP observer.
var resourceURLFromElement = function(elem) {
var tagName = elem.localName, s;
if ( (s = netFilter1stSources[tagName]) ) {
if (
(s = netFilter1stSources[tagName]) ||
(s = netFilter2ndSources[tagName])
) {
s = elem[s];
if ( typeof s === 'string' && s !== '' ) {
return s.slice(0, 1024);
}
}
if ( (s = netFilter2ndSources[tagName]) ) {
s = elem[s];
if ( typeof s === 'string' && s !== '' ) {
if ( typeof s === 'string' && /^https?:\/\//.test(s) ) {
return s.slice(0, 1024);
}
}
@ -514,6 +512,10 @@ var filterTypes = {
// Extract the best possible cosmetic filter, i.e. as specific as possible.
// https://github.com/gorhill/uBlock/issues/1725
// Also take into account the `src` attribute for `img` elements -- and limit
// the value to the 1024 first characters.
var cosmeticFilterFromElement = function(elem) {
if ( elem === null ) {
return 0;
@ -562,9 +564,15 @@ var cosmeticFilterFromElement = function(elem) {
}
break;
case 'img':
v = elem.getAttribute('src');
if ( v && v.length !== 0 ) {
attributes.push({ k: 'src', v: v.slice(0, 1024) });
break;
}
v = elem.getAttribute('alt');
if ( v && v.length !== 0 ) {
attributes.push({ k: 'alt', v: v });
break;
}
break;
default: