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diff --git a/data/extensions/uBlock0@raymondhill.net/js/scriptlets/noscript-spoof.js b/data/extensions/uBlock0@raymondhill.net/js/scriptlets/noscript-spoof.js
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+++ b/data/extensions/uBlock0@raymondhill.net/js/scriptlets/noscript-spoof.js
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+/*******************************************************************************
+
+ uBlock Origin - a comprehensive, efficient content blocker
+ Copyright (C) 2014-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
+*/
+
+// Code below has been imported from uMatrix and modified to fit uBO:
+// https://github.com/gorhill/uMatrix/blob/3f8794dd899a05e066c24066c6c0a2515d5c60d2/src/js/contentscript.js#L464-L531
+
+/******************************************************************************/
+
+// https://github.com/gorhill/uMatrix/issues/232
+// Force `display` property, Firefox is still affected by the issue.
+
+(( ) => {
+ const noscripts = document.querySelectorAll('noscript');
+ if ( noscripts.length === 0 ) { return; }
+
+ const reMetaContent = /^\s*(\d+)\s*;\s*url=(?:"([^"]+)"|'([^']+)'|(.+))/i;
+ const reSafeURL = /^https?:\/\//;
+ const reNoscript = /(^|[ >+~])noscript([ >+~]|$)/g;
+ const className = vAPI.sessionId;
+ let redirectTimer;
+
+ const autoRefresh = function(root) {
+ const meta = root.querySelector('meta[http-equiv="refresh"][content]');
+ if ( meta === null ) { return; }
+ const match = reMetaContent.exec(meta.getAttribute('content'));
+ if ( match === null ) { return; }
+ const refreshURL = (match[2] || match[3] || match[4] || '').trim();
+ let url;
+ try {
+ url = new URL(refreshURL, document.baseURI);
+ } catch {
+ return;
+ }
+ if ( reSafeURL.test(url.href) === false ) { return; }
+ redirectTimer = setTimeout(( ) => {
+ location.assign(url.href);
+ }, parseInt(match[1], 10) * 1000 + 1);
+ meta.parentNode.removeChild(meta);
+ };
+
+ const morphNoscript = function(from) {
+ const fragment = new DocumentFragment();
+ const inHead = from.closest('head');
+ if ( /^application\/(?:xhtml\+)?xml/.test(document.contentType) ) {
+ while ( from.firstChild !== null ) {
+ fragment.append(from.firstChild);
+ }
+ return fragment;
+ }
+ const parser = new DOMParser();
+ const doc = parser.parseFromString(
+ `<span class="${className}" style="display: none; !important">${from.textContent}</span>`,
+ 'text/html'
+ );
+ for ( const elem of doc.querySelectorAll(inHead ? 'span > *' : 'span') ) {
+ fragment.append(document.adoptNode(elem));
+ }
+ return fragment;
+ };
+
+ for ( const noscript of noscripts ) {
+ const fragment = morphNoscript(noscript);
+ if ( redirectTimer === undefined ) {
+ autoRefresh(fragment);
+ }
+ 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');
+ }
+})();
+
+/******************************************************************************/