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/*
* This file is part of Privacy Badger <https://www.eff.org/privacybadger>
* Copyright (C) 2014 Electronic Frontier Foundation
*
* Privacy Badger is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Privacy Badger 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 Privacy Badger. If not, see <http://www.gnu.org/licenses/>.
*/
(function () {
// don't inject into non-HTML documents (such as XML documents)
// but do inject into XHTML documents
if (document instanceof HTMLDocument === false && (
document instanceof XMLDocument === false ||
document.createElement('div') instanceof HTMLDivElement === false
)) {
return;
}
// don't bother asking to run when trivially in first-party context
if (window.top == window) {
return;
}
// TODO race condition; fix waiting on https://crbug.com/478183
chrome.runtime.sendMessage({
type: "checkLocation",
frameUrl: window.FRAME_URL
}, function (blocked) {
if (blocked) {
var code = '('+ function() {
document.__defineSetter__("cookie", function(/*value*/) { });
document.__defineGetter__("cookie", function() { return ""; });
// trim referrer down to origin
let referrer = document.referrer;
if (referrer) {
referrer = referrer.slice(
0,
referrer.indexOf('/', referrer.indexOf('://') + 3)
) + '/';
}
document.__defineGetter__("referrer", function () { return referrer; });
} +')();';
window.injectScript(code);
}
return true;
});
}());
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