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.

inject.js

@@ -155,7 +155,10 @@
       hardwareConcurrency: CONFIG.nav.hardwareConcurrency,
       platform: CONFIG.nav.platform,
       deviceMemory: CONFIG.nav.deviceMemory,
-      maxTouchPoints: CONFIG.nav.maxTouchPoints
+      maxTouchPoints: CONFIG.nav.maxTouchPoints,
+      userAgent: CONFIG.nav.userAgent,
+      appVersion: CONFIG.nav.appVersion,
+      oscpu: CONFIG.nav.oscpu
     };
 
     for (const [prop, value] of Object.entries(navOverrides)) {

lib/fingerprint-gen.js

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