46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
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'use strict';
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// iframe.contentWindow
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if (
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window !== top &&
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location.href === 'about:blank'
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) {
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try {
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top.document; // are we on the same frame?
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const script = document.createElement('script');
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script.textContent = `{
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const nav = top.navigator;
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navigator.__defineGetter__('userAgent', () => nav.userAgent);
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navigator.__defineGetter__('appVersion', () => nav.appVersion);
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navigator.__defineGetter__('platform', () => nav.platform);
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navigator.__defineGetter__('vendor', () => nav.vendor);
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document.documentElement.dataset.fgdvcre = true;
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}`;
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document.documentElement.appendChild(script);
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// make sure the script is injected
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if (document.documentElement.dataset.fgdvcre !== 'true') {
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document.documentElement.dataset.fgdvcre = true;
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const script = document.createElement('script');
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Object.assign(script, {
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textContent: `
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[...document.querySelectorAll('iframe[sandbox]')]
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.filter(i => i.contentDocument.documentElement.dataset.fgdvcre === 'true')
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.forEach(i => {
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const nav = i.contentWindow.navigator;
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nav.__defineGetter__('userAgent', () => navigator.userAgent);
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nav.__defineGetter__('appVersion', () => navigator.appVersion);
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nav.__defineGetter__('platform', () => navigator.platform);
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nav.__defineGetter__('vendor', () => navigator.vendor);
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});
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`
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});
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top.document.documentElement.appendChild(script);
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}
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delete document.documentElement.dataset.fgdvcre;
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}
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catch (e) {}
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}
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