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Improve noscript spoofing

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Related issue:
https://github.com/uBlockOrigin/uBlock-issues/issues/2642
This commit is contained in:
Raymond Hill 2025-04-12 15:20:18 -04:00
parent d1fc38c473
commit dfd42ebf5f
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GPG key ID: 25E1490B761470C2
1 changed files with 29 additions and 11 deletions
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40
src/js/scriptlets/noscript-spoof.js
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@ -33,6 +33,8 @@
const reMetaContent = /^\s*(\d+)\s*;\s*url=(?:"([^"]+)"|'([^']+)'|(.+))/i; const reMetaContent = /^\s*(\d+)\s*;\s*url=(?:"([^"]+)"|'([^']+)'|(.+))/i;
const reSafeURL = /^https?:\/\//; const reSafeURL = /^https?:\/\//;
const reNoscript = /(^|[ >+~])noscript([ >+~]|$)/g;
const className = vAPI.sessionId;
let redirectTimer; let redirectTimer;
const autoRefresh = function(root) { const autoRefresh = function(root) {
@ -55,30 +57,46 @@
}; };
const morphNoscript = function(from) { const morphNoscript = function(from) {
const fragment = new DocumentFragment();
const inHead = from.closest('head');
if ( /^application\/(?:xhtml\+)?xml/.test(document.contentType) ) { if ( /^application\/(?:xhtml\+)?xml/.test(document.contentType) ) {
const to = document.createElement('span');
while ( from.firstChild !== null ) { while ( from.firstChild !== null ) {
to.appendChild(from.firstChild); fragment.append(from.firstChild);
} }
return to; return fragment;
} }
const parser = new DOMParser(); const parser = new DOMParser();
const doc = parser.parseFromString( const doc = parser.parseFromString(
'<span>' + from.textContent + '</span>', `<span class="${className}" style="display: none; !important">${from.textContent}</span>`,
'text/html' 'text/html'
); );
return document.adoptNode(doc.querySelector('span')); for ( const elem of doc.querySelectorAll(inHead ? 'span > *' : 'span') ) {
fragment.append(document.adoptNode(elem));
}
return fragment;
}; };
for ( const noscript of noscripts ) { for ( const noscript of noscripts ) {
const parent = noscript.parentNode; const fragment = morphNoscript(noscript);
if ( parent === null ) { continue; }
const span = morphNoscript(noscript);
span.style.setProperty('display', 'inline', 'important');
if ( redirectTimer === undefined ) { if ( redirectTimer === undefined ) {
autoRefresh(span); autoRefresh(fragment);
} }
parent.replaceChild(span, noscript); noscript.replaceWith(fragment);
}
for ( const sheet of document.styleSheets ) {
try {
for ( const rule of sheet.cssRules ) {
if ( reNoscript.test(rule.selectorText) === false ) { continue; }
rule.selectorText =
rule.selectorText.replace(reNoscript, `$1span.${className}$2`);
}
} catch {
}
}
for ( const span of document.querySelectorAll(`.${className}`) ) {
span.style.setProperty('display', 'inline', 'important');
} }
})(); })();