feat(stealth): 优化指纹信号并同步文档与包配置
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leeguooooo
@@ -94,4 +94,24 @@ describe('Stealth mode', () => {
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expect(userAgentSignals.pageUA).not.toContain('HeadlessChrome');
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expect(userAgentSignals.workerUA).not.toContain('HeadlessChrome');
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});
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it('exposes realistic mimeTypes/pdf/share signals', async () => {
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browser = new BrowserManager();
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await browser.launch({ headless: true, stealth: true });
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const signals = await browser.getPage().evaluate(() => ({
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mimeTypesLength: navigator.mimeTypes ? navigator.mimeTypes.length : 0,
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pdfViewerEnabled: navigator.pdfViewerEnabled,
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hasShare: typeof navigator.share === 'function',
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hasCanShare: typeof navigator.canShare === 'function',
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hasConnectionDownlinkMax:
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!!navigator.connection && typeof navigator.connection.downlinkMax === 'number',
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}));
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expect(signals.mimeTypesLength).toBeGreaterThan(0);
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expect(signals.pdfViewerEnabled).toBe(true);
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expect(signals.hasShare).toBe(true);
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expect(signals.hasCanShare).toBe(true);
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expect(signals.hasConnectionDownlinkMax).toBe(true);
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});
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});
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+174
-11
@@ -60,12 +60,17 @@ function buildStealthScript(options: StealthScriptOptions): string {
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patchNavigatorWebdriver(),
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patchChromeRuntime(),
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patchNavigatorLanguages(),
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patchNavigatorPlugins(),
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patchNavigatorPluginsAndMimeTypes(),
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patchNavigatorPermissions(),
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patchWebGLVendor(),
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patchCdcProperties(),
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patchWindowDimensions(),
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patchScreenAvailability(),
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patchNavigatorHardwareConcurrency(),
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patchNavigatorConnection(),
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patchNavigatorShare(),
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patchNavigatorContacts(),
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patchPdfViewerEnabled(),
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patchMediaDevices(),
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patchUserAgentData(),
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patchUserAgent(),
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@@ -158,36 +163,88 @@ function patchNavigatorLanguages(): string {
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}
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/**
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* Inject a realistic navigator.plugins array.
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* Inject realistic navigator.plugins and navigator.mimeTypes arrays.
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* Headless Chrome reports an empty PluginArray; real Chrome always has a few.
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*/
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function patchNavigatorPlugins(): string {
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function patchNavigatorPluginsAndMimeTypes(): string {
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return `(function(){
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const makePlugin = (name, description, filename, mimeType) => {
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const mime = { type: mimeType, suffixes: '', description, enabledPlugin: null };
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const plugin = { name, description, filename, length: 1, 0: mime };
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mime.enabledPlugin = plugin;
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const makeMimeType = (type, suffixes, description) => {
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const mime = Object.create(MimeType.prototype);
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Object.defineProperties(mime, {
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type: { value: type, enumerable: true },
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suffixes: { value: suffixes, enumerable: true },
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description: { value: description, enumerable: true },
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enabledPlugin: { value: null, writable: true, enumerable: true },
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});
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return mime;
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};
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const makePlugin = (name, description, filename, mimes) => {
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const plugin = Object.create(Plugin.prototype);
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Object.defineProperties(plugin, {
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name: { value: name, enumerable: true },
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description: { value: description, enumerable: true },
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filename: { value: filename, enumerable: true },
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length: { value: mimes.length, enumerable: true },
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});
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mimes.forEach((mime, i) => {
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Object.defineProperty(plugin, i, {
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value: mime,
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enumerable: true,
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});
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Object.defineProperty(plugin, mime.type, {
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value: mime,
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enumerable: false,
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});
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try { mime.enabledPlugin = plugin; } catch {}
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});
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return plugin;
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};
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const pdfMime = makeMimeType('application/pdf', 'pdf', 'Portable Document Format');
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const chromePdfMime = makeMimeType(
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'application/x-google-chrome-pdf',
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'pdf',
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'Portable Document Format'
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);
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const naclMime = makeMimeType('application/x-nacl', '', 'Native Client Executable');
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const pnaclMime = makeMimeType('application/x-pnacl', '', 'Portable Native Client Executable');
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const plugins = [
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makePlugin('Chrome PDF Plugin', 'Portable Document Format', 'internal-pdf-viewer', 'application/x-google-chrome-pdf'),
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makePlugin('Chrome PDF Viewer', '', 'mhjfbmdgcfjbbpaeojofohoefgiehjai', 'application/pdf'),
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makePlugin('Native Client', '', 'internal-nacl-plugin', 'application/x-nacl'),
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makePlugin('Chrome PDF Plugin', 'Portable Document Format', 'internal-pdf-viewer', [chromePdfMime]),
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makePlugin('Chrome PDF Viewer', '', 'mhjfbmdgcfjbbpaeojofohoefgiehjai', [pdfMime]),
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makePlugin('Native Client', '', 'internal-nacl-plugin', [naclMime, pnaclMime]),
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];
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const pluginArray = Object.create(PluginArray.prototype);
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plugins.forEach((p, i) => {
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Object.setPrototypeOf(p, Plugin.prototype);
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pluginArray[i] = p;
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pluginArray[p.name] = p;
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});
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Object.defineProperty(pluginArray, 'length', { get: () => plugins.length });
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pluginArray.item = (i) => plugins[i] || null;
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pluginArray.namedItem = (name) => plugins.find(p => p.name === name) || null;
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pluginArray.refresh = () => {};
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pluginArray[Symbol.iterator] = function*() { for (const p of plugins) yield p; };
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const mimeTypes = [chromePdfMime, pdfMime, naclMime, pnaclMime];
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const mimeTypeArray = Object.create(MimeTypeArray.prototype);
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mimeTypes.forEach((m, i) => {
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mimeTypeArray[i] = m;
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mimeTypeArray[m.type] = m;
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});
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Object.defineProperty(mimeTypeArray, 'length', { get: () => mimeTypes.length });
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mimeTypeArray.item = (i) => mimeTypes[i] || null;
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mimeTypeArray.namedItem = (name) => mimeTypes.find(m => m.type === name) || null;
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mimeTypeArray[Symbol.iterator] = function*() { for (const m of mimeTypes) yield m; };
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Object.defineProperty(navigator, 'plugins', {
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get: () => pluginArray,
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configurable: true,
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});
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Object.defineProperty(navigator, 'mimeTypes', {
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get: () => mimeTypeArray,
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configurable: true,
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});
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})();`;
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}
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@@ -343,6 +400,38 @@ function patchWindowDimensions(): string {
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})();`;
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}
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/**
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* Make Screen avail* values look like a desktop with taskbar/menu bar reserved space.
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*/
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function patchScreenAvailability(): string {
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return `(function(){
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const patchNumber = (target, key, value) => {
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try {
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Object.defineProperty(target, key, {
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get: () => value,
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configurable: true,
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});
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} catch {}
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};
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const availWidth = Number(screen.availWidth);
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const availHeight = Number(screen.availHeight);
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const width = Number(screen.width);
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const height = Number(screen.height);
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if (Number.isFinite(width) && Number.isFinite(availWidth) && availWidth >= width) {
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patchNumber(screen, 'availWidth', Math.max(width - 8, 0));
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}
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if (Number.isFinite(height) && Number.isFinite(availHeight) && availHeight >= height) {
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patchNumber(screen, 'availHeight', Math.max(height - 40, 0));
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}
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if (Number.isFinite(screen.availLeft) && screen.availLeft === 0) {
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patchNumber(screen, 'availLeft', 0);
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}
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if (Number.isFinite(screen.availTop) && screen.availTop === 0) {
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patchNumber(screen, 'availTop', 24);
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}
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})();`;
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}
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/**
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* navigator.hardwareConcurrency: headless often reports 2 (CI);
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* real desktops typically have >= 4 cores.
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@@ -358,6 +447,80 @@ function patchNavigatorHardwareConcurrency(): string {
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})();`;
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}
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/**
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* Add missing connection.downlinkMax in Chromium headless environments.
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*/
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function patchNavigatorConnection(): string {
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return `(function(){
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if (!navigator.connection) return;
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const conn = navigator.connection;
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if (typeof conn.downlinkMax === 'number') return;
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try {
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Object.defineProperty(conn, 'downlinkMax', {
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get: () => 10,
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configurable: true,
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});
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} catch {}
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})();`;
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}
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/**
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* Add share/canShare APIs expected on modern Chromium desktop.
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*/
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function patchNavigatorShare(): string {
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return `(function(){
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if (typeof navigator.share !== 'function') {
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try {
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Object.defineProperty(navigator, 'share', {
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value: async () => undefined,
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configurable: true,
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});
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} catch {}
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}
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if (typeof navigator.canShare !== 'function') {
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try {
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Object.defineProperty(navigator, 'canShare', {
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value: () => true,
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configurable: true,
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});
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} catch {}
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}
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})();`;
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}
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/**
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* Add Contacts Manager stub to avoid "missing contacts manager" signals.
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*/
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function patchNavigatorContacts(): string {
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return `(function(){
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if (navigator.contacts) return;
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try {
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Object.defineProperty(navigator, 'contacts', {
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value: {
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select: async () => [],
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getProperties: () => ['name', 'email', 'tel', 'address', 'icon'],
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},
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configurable: true,
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});
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} catch {}
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})();`;
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}
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/**
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* Chromium exposes navigator.pdfViewerEnabled=true in normal browsing mode.
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*/
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function patchPdfViewerEnabled(): string {
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return `(function(){
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if (navigator.pdfViewerEnabled === true) return;
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try {
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Object.defineProperty(navigator, 'pdfViewerEnabled', {
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get: () => true,
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configurable: true,
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});
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} catch {}
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})();`;
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}
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/**
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* navigator.mediaDevices.enumerateDevices should return at least some devices
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* instead of an empty array (headless default).
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