44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
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"""Vendored Playwright stealth init script.
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Mirror of `stacks/chrome-service/files/stealth.js`. Kept in sync by hand
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— update both files together if the JS is changed.
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"""
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STEALTH_JS = r"""
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(() => {
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Object.defineProperty(Navigator.prototype, 'webdriver', { get: () => undefined });
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if (!window.chrome) window.chrome = {};
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window.chrome.runtime = window.chrome.runtime || {};
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Object.defineProperty(navigator, 'plugins', {
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get: () => [{ name: 'Chrome PDF Plugin' }, { name: 'Chrome PDF Viewer' }, { name: 'Native Client' }],
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});
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Object.defineProperty(navigator, 'languages', { get: () => ['en-US', 'en'] });
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const origQuery = window.navigator.permissions && window.navigator.permissions.query;
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if (origQuery) {
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window.navigator.permissions.query = (parameters) =>
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parameters && parameters.name === 'notifications'
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? Promise.resolve({ state: Notification.permission })
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: origQuery(parameters);
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}
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const spoofGl = (proto) => {
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if (!proto) return;
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const orig = proto.getParameter;
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proto.getParameter = function (parameter) {
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if (parameter === 37445) return 'Intel Inc.';
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if (parameter === 37446) return 'Intel Iris OpenGL Engine';
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return orig.apply(this, arguments);
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};
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};
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spoofGl(window.WebGLRenderingContext && window.WebGLRenderingContext.prototype);
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spoofGl(window.WebGL2RenderingContext && window.WebGL2RenderingContext.prototype);
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// disable-devtool.js auto-init evasion: hide the marker attribute so the
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// library's IIFE exits early. Without this, hmembeds-class players redirect
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// to google.com when the Performance detector trips under Playwright.
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const origQS = Document.prototype.querySelector;
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Document.prototype.querySelector = function (sel) {
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if (typeof sel === 'string' && sel.indexOf('disable-devtool-auto') !== -1) return null;
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return origQS.apply(this, arguments);
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};
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})();
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"""
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