Add coherent device profiles and User-Agent spoofing
Device archetypes ensure platform, GPU, resolution, and UA all match (e.g. Linux profile gets Mesa renderers and X11 UA string). Spoofs navigator.userAgent, appVersion, and oscpu per container.
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@@ -155,7 +155,10 @@
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hardwareConcurrency: CONFIG.nav.hardwareConcurrency,
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platform: CONFIG.nav.platform,
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deviceMemory: CONFIG.nav.deviceMemory,
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maxTouchPoints: CONFIG.nav.maxTouchPoints
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maxTouchPoints: CONFIG.nav.maxTouchPoints,
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userAgent: CONFIG.nav.userAgent,
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appVersion: CONFIG.nav.appVersion,
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oscpu: CONFIG.nav.oscpu
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};
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for (const [prop, value] of Object.entries(navOverrides)) {
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@@ -1,5 +1,6 @@
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// Deterministic fingerprint profile generator
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// Given the same seed, always produces the same device identity
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// Profiles are coherent — platform, UA, GPU, resolution all match
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// Real hardware values — spoofed values must NEVER match these
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const REAL_HARDWARE = {
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@@ -8,74 +9,99 @@ const REAL_HARDWARE = {
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screenHeight: 1080
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};
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function generateFingerprintProfile(masterSeed) {
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const rng = mulberry32(masterSeed);
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// --- Device Archetypes ---
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// Each archetype defines a coherent set of values for a device class
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function pick(arr) {
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return arr[Math.floor(rng() * arr.length)];
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}
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// Pick from array, but never the excluded value. Rerolls if needed.
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function pickExcluding(arr, exclude) {
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const filtered = arr.filter(v => {
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if (typeof exclude === "object" && exclude !== null) {
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return Object.keys(exclude).some(k => v[k] !== exclude[k]);
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}
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return v !== exclude;
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});
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return filtered.length > 0 ? pick(filtered) : pick(arr);
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}
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function subSeed() {
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return (rng() * 0xFFFFFFFF) >>> 0;
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}
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const platforms = ["Win32", "Linux x86_64", "MacIntel"];
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const vendors = [
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"Google Inc. (NVIDIA)",
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"Google Inc. (AMD)",
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"Google Inc. (Intel)",
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"Google Inc."
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];
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const renderers = [
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const DEVICE_ARCHETYPES = [
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// Windows desktops
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{
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platform: "Win32",
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uaTemplate: "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/{ffVersion}",
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appVersionTemplate: "5.0 (Windows)",
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oscpu: "Windows NT 10.0; Win64; x64",
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vendors: ["Google Inc. (NVIDIA)", "Google Inc. (AMD)", "Google Inc. (Intel)"],
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renderers: [
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"ANGLE (NVIDIA GeForce GTX 1060 Direct3D11 vs_5_0 ps_5_0)",
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"ANGLE (AMD Radeon RX 580 Direct3D11 vs_5_0 ps_5_0)",
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"ANGLE (Intel HD Graphics 630 Direct3D11 vs_5_0 ps_5_0)",
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"ANGLE (NVIDIA GeForce RTX 3060 Direct3D11 vs_5_0 ps_5_0)",
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"ANGLE (AMD Radeon RX 580 Direct3D11 vs_5_0 ps_5_0)",
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"ANGLE (AMD Radeon RX 6700 XT Direct3D11 vs_5_0 ps_5_0)",
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"Mesa Intel(R) UHD Graphics 620",
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"Mesa AMD Radeon RX 580",
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"ANGLE (Intel, Mesa Intel(R) UHD Graphics 620, OpenGL 4.6)"
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];
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const resolutions = [
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"ANGLE (Intel HD Graphics 630 Direct3D11 vs_5_0 ps_5_0)"
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],
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resolutions: [
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{ width: 2560, height: 1440 },
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{ width: 1366, height: 768 },
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{ width: 1536, height: 864 },
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{ width: 1440, height: 900 },
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{ width: 1680, height: 1050 },
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{ width: 2560, height: 1080 },
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{ width: 3440, height: 1440 },
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{ width: 1600, height: 900 }
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];
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],
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cores: [4, 6, 8, 12, 16],
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memory: [8, 16, 32]
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},
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// Linux desktops
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{
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platform: "Linux x86_64",
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uaTemplate: "Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/{ffVersion}",
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appVersionTemplate: "5.0 (X11)",
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oscpu: "Linux x86_64",
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vendors: ["Google Inc. (AMD)", "Google Inc. (Intel)", "Google Inc."],
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renderers: [
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"Mesa Intel(R) UHD Graphics 620",
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"Mesa AMD Radeon RX 580",
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"ANGLE (Intel, Mesa Intel(R) UHD Graphics 620, OpenGL 4.6)",
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"Mesa Intel(R) HD Graphics 530",
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"AMD Radeon RX 6600 (radeonsi, navi23, LLVM 15.0.7, DRM 3.49)"
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],
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resolutions: [
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{ width: 2560, height: 1440 },
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{ width: 1366, height: 768 },
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{ width: 1536, height: 864 },
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{ width: 1440, height: 900 },
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{ width: 3440, height: 1440 },
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{ width: 1600, height: 900 }
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],
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cores: [2, 6, 8, 12, 16],
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memory: [4, 8, 16, 32]
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},
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// macOS desktops
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{
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platform: "MacIntel",
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uaTemplate: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/{ffVersion}",
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appVersionTemplate: "5.0 (Macintosh)",
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oscpu: "Intel Mac OS X 10.15",
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vendors: ["Google Inc. (Apple)", "Google Inc. (Intel)", "Google Inc."],
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renderers: [
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"ANGLE (Apple, Apple M1, OpenGL 4.1)",
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"ANGLE (Apple, Apple M2, OpenGL 4.1)",
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"ANGLE (Intel, Intel(R) Iris(TM) Plus Graphics 655, OpenGL 4.1)",
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"ANGLE (Apple, ANGLE Metal Renderer: Apple M1 Pro, OpenGL 4.1)"
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],
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resolutions: [
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{ width: 2560, height: 1440 },
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{ width: 1440, height: 900 },
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{ width: 1680, height: 1050 },
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{ width: 2560, height: 1600 },
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{ width: 3024, height: 1964 }
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],
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cores: [4, 8, 10, 12],
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memory: [8, 16, 32]
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}
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];
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const languageSets = [
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const FIREFOX_VERSIONS = ["126.0", "127.0", "128.0", "129.0", "130.0", "131.0", "132.0", "133.0", "134.0"];
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const LANGUAGE_SETS = [
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["en-US", "en"],
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["en-GB", "en"],
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["en-US"],
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["de-DE", "de", "en-US", "en"],
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["fr-FR", "fr", "en-US", "en"]
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];
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];
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// Exclude real hardwareConcurrency (4)
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const hardwareConcurrencies = [2, 6, 8, 12, 16];
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const deviceMemories = [4, 8, 16, 32];
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const colorDepths = [24, 30, 32];
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const COLOR_DEPTHS = [24, 30, 32];
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// Timezones for spoofing — common real-world timezones
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const timezones = [
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const TIMEZONES = [
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{ name: "America/New_York", offset: 300 },
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{ name: "America/Chicago", offset: 360 },
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{ name: "America/Denver", offset: 420 },
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@@ -87,10 +113,37 @@ function generateFingerprintProfile(masterSeed) {
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{ name: "Australia/Sydney", offset: -660 },
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{ name: "America/Toronto", offset: 300 },
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{ name: "America/Phoenix", offset: 420 }
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];
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];
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// Resolution: never match real 1920x1080
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const res = pickExcluding(resolutions, { width: REAL_HARDWARE.screenWidth, height: REAL_HARDWARE.screenHeight });
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function generateFingerprintProfile(masterSeed) {
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const rng = mulberry32(masterSeed);
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function pick(arr) {
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return arr[Math.floor(rng() * arr.length)];
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}
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function pickExcluding(arr, excludeFn) {
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const filtered = arr.filter(excludeFn);
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return filtered.length > 0 ? pick(filtered) : pick(arr);
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}
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function subSeed() {
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return (rng() * 0xFFFFFFFF) >>> 0;
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}
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// Pick a device archetype
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const arch = pick(DEVICE_ARCHETYPES);
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// Pick coherent values from within the archetype
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const res = pickExcluding(arch.resolutions, r =>
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r.width !== REAL_HARDWARE.screenWidth || r.height !== REAL_HARDWARE.screenHeight
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);
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const cores = pickExcluding(arch.cores, c => c !== REAL_HARDWARE.hardwareConcurrency);
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const ffVersion = pick(FIREFOX_VERSIONS);
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const userAgent = arch.uaTemplate.replace("{ffVersion}", ffVersion);
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const appVersion = arch.appVersionTemplate;
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return {
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seed: masterSeed,
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@@ -99,22 +152,25 @@ function generateFingerprintProfile(masterSeed) {
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fontSeed: subSeed(),
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rectSeed: subSeed(),
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nav: {
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hardwareConcurrency: pick(hardwareConcurrencies),
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platform: pick(platforms),
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languages: pick(languageSets),
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deviceMemory: pick(deviceMemories),
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maxTouchPoints: 0
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hardwareConcurrency: cores,
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platform: arch.platform,
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languages: pick(LANGUAGE_SETS),
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deviceMemory: pick(arch.memory),
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maxTouchPoints: 0,
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userAgent: userAgent,
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appVersion: appVersion,
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oscpu: arch.oscpu
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},
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screen: {
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width: res.width,
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height: res.height,
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colorDepth: pick(colorDepths)
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colorDepth: pick(COLOR_DEPTHS)
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},
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webgl: {
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vendor: pick(vendors),
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renderer: pick(renderers)
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vendor: pick(arch.vendors),
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renderer: pick(arch.renderers)
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},
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timezone: pick(timezones),
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timezone: pick(TIMEZONES),
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webrtc: {
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blockLocal: true
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}
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