mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-17 16:02:33 +01:00
84 lines
3.1 KiB
JavaScript
84 lines
3.1 KiB
JavaScript
|
/*******************************************************************************
|
||
|
|
|
||
|
|
uBlock Origin - a browser extension to block requests.
|
||
|
|
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
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
|
||
|
|
// https://github.com/gorhill/uMatrix/issues/232
|
||
|
|
// Force `display` property, Firefox is still affected by the issue.
|
||
|
|
|
||
|
|
(function() {
|
||
|
|
let noscripts = document.querySelectorAll('noscript');
|
||
|
|
if ( noscripts.length === 0 ) { return; }
|
||
|
|
|
||
|
|
let redirectTimer,
|
||
|
|
reMetaContent = /^\s*(\d+)\s*;\s*url=(['"]?)([^'"]+)\2/i,
|
||
|
|
reSafeURL = /^https?:\/\//;
|
||
|
|
|
||
|
|
let autoRefresh = function(root) {
|
||
|
|
let meta = root.querySelector('meta[http-equiv="refresh"][content]');
|
||
|
|
if ( meta === null ) { return; }
|
||
|
|
let match = reMetaContent.exec(meta.getAttribute('content'));
|
||
|
|
if ( match === null || match[3].trim() === '' ) { return; }
|
||
|
|
let url = new URL(match[3], document.baseURI);
|
||
|
|
if ( reSafeURL.test(url.href) === false ) { return; }
|
||
|
|
redirectTimer = setTimeout(( ) => {
|
||
|
|
location.assign(url.href);
|
||
|
|
},
|
||
|
|
parseInt(match[1], 10) * 1000 + 1
|
||
|
|
);
|
||
|
|
meta.parentNode.removeChild(meta);
|
||
|
|
};
|
||
|
|
|
||
|
|
let morphNoscript = function(from) {
|
||
|
|
if ( /^application\/(?:xhtml\+)?xml/.test(document.contentType) ) {
|
||
|
|
let to = document.createElement('span');
|
||
|
|
while ( from.firstChild !== null ) {
|
||
|
|
to.appendChild(from.firstChild);
|
||
|
|
}
|
||
|
|
return to;
|
||
|
|
}
|
||
|
|
let parser = new DOMParser();
|
||
|
|
let doc = parser.parseFromString(
|
||
|
|
'<span>' + from.textContent + '</span>',
|
||
|
|
'text/html'
|
||
|
|
);
|
||
|
|
return document.adoptNode(doc.querySelector('span'));
|
||
|
|
};
|
||
|
|
|
||
|
|
for ( let noscript of noscripts ) {
|
||
|
|
let parent = noscript.parentNode;
|
||
|
|
if ( parent === null ) { continue; }
|
||
|
|
let span = morphNoscript(noscript);
|
||
|
|
span.style.setProperty('display', 'inline', 'important');
|
||
|
|
if ( redirectTimer === undefined ) {
|
||
|
|
autoRefresh(span);
|
||
|
|
}
|
||
|
|
parent.replaceChild(span, noscript);
|
||
|
|
}
|
||
|
|
})();
|
||
|
|
|
||
|
|
/******************************************************************************/
|