remove fingerprints

Author: max-ostapenko

dist/privacy.js

@@ -288,159 +288,6 @@ let sync_metrics = {
     return rp;
   })(),
 
-  fingerprinting: (() => {
-    // The APIs are determined by looking at the tests in https://github.com/fingerprintjs/fingerprintjs and https://amiunique.org/fingerprint
-    // Grouped by unique API to improve diversity metric reliability
-    const fingerprintingAPIs = {
-      // Payment APIs
-      'payment': 'ApplePaySession\.canMakePayments',
-
-      // User Agent and Platform fingerprinting
-      'navigator_userAgent': 'navigator\.userAgent',
-      'navigator_platform': 'navigator\.platform',
-      'navigator_oscpu': 'navigator\.oscpu',
-      'navigator_vendor': 'navigator\.(vendor|vendorSub)',
-      'navigator_product': 'navigator\.(product|productSub)',
-      'navigator_buildID': 'navigator\.buildID',
-
-      // Audio fingerprinting
-      'audio_context': '(AudioContext|webkitAudioContext)',
-      'audio_analysis': '(createAnalyser|AnalyserNode|getFloatFrequencyData|getByteFrequencyData|fftSize|frequencyBinCount|maxDecibels|minDecibels|smoothingTimeConstant)',
-      'audio_processing': '(createOscillator|OscillatorNode|createScriptProcessor|createDynamicsCompressor)',
-      'audio_data': '(getChannelData|channelCount|channelCountMode|channelInterpretation|sampleRate)',
-
-      // Canvas fingerprinting
-      'canvas_context': 'canvas\.getContext|getContext\(.*(2d|webgl).*\)',
-      'canvas_rendering': '(canvasRenderingContext2D\.(fillText|strokeText|getImageData)|canvas\.toDataURL|HTMLCanvasElement\.toBlob)',
-
-      // CSS media queries for fingerprinting
-      'css_media_queries': '@media.*(color-gamut|prefers-contrast|forced-colors|dynamic-range|inverted-colors|min-monochrome|max-monochrome|prefers-reduced-motion|prefers-reduced-transparency)',
-
-      // Hardware fingerprinting
-      'hardware_info': '(cpuClass|deviceMemory|hardwareConcurrency|maxTouchPoints)',
-
-      // Touch capabilities
-      'touch_capabilities': '(ontouchstart|TouchEvent|createTouch|createTouchList)',
-
-      // Storage APIs (potential fingerprinting)
-      'storage_apis': '(indexedDB|localStorage|sessionStorage|openDatabase)',
-
-      // PDF and plugins
-      'plugins': '(pdfViewerEnabled|navigator\.(plugins|mimeTypes)|Plugin\s|MimeType)',
-
-      // Attribution and tracking
-      'attribution': 'attributionSourceId',
-
-      // Time zone and language fingerprinting
-      'timezone': '(resolvedOptions\(\)\.timeZone|getTimezoneOffset)',
-      'language': '(navigator\.(language|languages)|Intl\.(DateTimeFormat|Collator))',
-
-      // WebGL fingerprinting
-      'webgl_info': '(vendorUnmasked|rendererUnmasked|shadingLanguageVersion|WEBGL_debug_renderer_info|WebGLRenderingContext)',
-      'webgl_params': '(getShaderPrecisionFormat|getParameter|getSupportedExtensions|getExtension|VENDOR|RENDERER|VERSION|SHADING_LANGUAGE_VERSION)',
-
-      // Screen properties
-      'screen_properties': '(availWidth|availHeight)|screen\.(width|height|colorDepth|pixelDepth|availTop|availLeft)|(outerWidth|outerHeight|innerWidth|innerHeight)|devicePixelRatio',
-
-      // Window and browser chrome fingerprinting
-      'browser_chrome': '(locationbar|menubar|personalbar|scrollbars|statusbar|toolbar|history\.length)',
-
-      // Geolocation API
-      'geolocation': '(getCurrentPosition|watchPosition|navigator\.geolocation)',
-
-      // Media devices and capabilities
-      'media_devices': '(enumerateDevices|getUserMedia|getDisplayMedia|navigator\.mediaDevices)',
-      'media_capabilities': '(canPlayType|HTMLVideoElement\.canPlayType|HTMLAudioElement\.canPlayType)',
-
-      // Permissions API
-      'permissions': '(navigator\.permissions|permissions\.query)',
-
-      // Battery API
-      'battery': '(navigator\.(battery|getBattery)|charging|chargingTime|dischargingTime)',
-
-      // Connection API
-      'connection': '(navigator\.(connection|mozConnection|webkitConnection)|downlink|effectiveType)',
-
-      // Sensors APIs
-      'sensors': '(Accelerometer|Gyroscope|LinearAccelerationSensor|AbsoluteOrientationSensor|RelativeOrientationSensor|AmbientLightSensor|ProximitySensor)',
-
-      // Font detection
-      'fonts': '(document\.fonts|FontFace)',
-
-      // Do Not Track
-      'do_not_track': '(navigator\.doNotTrack|window\.doNotTrack)',
-
-      // Cookie detection
-      'cookies': 'navigator\.cookieEnabled',
-
-      // Java detection
-      'java': 'navigator\.javaEnabled',
-
-      // WebRTC
-      'webrtc_peer': '(RTCPeerConnection|webkitRTCPeerConnection|mozRTCPeerConnection)',
-      'webrtc_data': '(RTCDataChannel|createDataChannel)',
-
-      // Performance APIs
-      'performance': '(performance\.(memory|timing))',
-
-      // Notifications
-      'notifications': 'Notification\.permission',
-
-      // Keyboard layout detection
-      'keyboard': '(KeyboardLayoutMap|navigator\.keyboard|getLayoutMap)',
-
-      // Gamepad API
-      'gamepad': '(navigator\.getGamepads|GamepadEvent)',
-
-      // Storage quota
-      'storage_quota': '(navigator\.(storage|webkitTemporaryStorage|webkitPersistentStorage)|estimate)',
-
-      // Speech APIs
-      'speech': '(SpeechSynthesis|SpeechRecognition)',
-
-      // Crypto subtle fingerprinting
-      'crypto': '(crypto\.subtle|SubtleCrypto)',
-
-      // Worker capabilities
-      'workers': '(Worker|SharedWorker|ServiceWorker)'
-    };
-
-    // Pre-compile regexes - handle already escaped patterns
-    const compiledRegexes = Object.entries(fingerprintingAPIs).map(([apiName, pattern]) => ({
-      api: apiName,
-      regex: new RegExp(pattern, 'gi')
-    }));
-    let likelyFingerprintingScripts = [];
-
-    response_bodies.forEach(req => {
-      try {
-        let detectedApis = [];
-
-        compiledRegexes.forEach(({ api, regex }) => {
-          try {
-            if (regex.test(req.response_body)) {
-              detectedApis.push(api);
-            }
-          } catch (regexError) {
-            // Skip this API on regex error - avoid console.warn in WebPageTest
-          }
-        });
-
-        // Track scripts with significant fingerprinting API usage
-        if (detectedApis.length >= 5) {
-          likelyFingerprintingScripts.push({
-            url: req.url,
-            detectedApis
-          });
-        }
-      } catch (error) {
-        // Skip this request on error - avoid console.warn in WebPageTest
-      }
-    });
-
-    return likelyFingerprintingScripts;
-  })(),
-
   /**
    * List of hostnames with CNAME record
    */