From 35c85103073da39f3da02de2fae58c2e2cd7a11f Mon Sep 17 00:00:00 2001 From: William Budington Date: Thu, 31 Jan 2019 15:31:33 -0800 Subject: [PATCH] Adding fingerprint2 library and working some of its results into the v2 signature --- db.py | 16 +++ examples/sql/schema.sql | 11 ++ fingerprint/fingerprint_agent.py | 24 ++++- fingerprint/fingerprint_helper.py | 37 ++++++- fingerprint/fingerprint_recorder.py | 22 +++- main.py | 10 +- parcel/fp2.html | 1 + parcel/fp2.js | 1 + static/dist/fp2.ada7e69f.js | 7 ++ static/dist/fp2.ada7e69f.map | 1 + static/fetch_whorls.js | 162 ++++++++++++++++++++-------- templates/dist/fp2.html | 1 + templates/fingerprint_js.html | 2 + 13 files changed, 242 insertions(+), 53 deletions(-) create mode 100644 parcel/fp2.html create mode 100644 parcel/fp2.js create mode 100644 static/dist/fp2.ada7e69f.js create mode 100644 static/dist/fp2.ada7e69f.map create mode 100644 templates/dist/fp2.html diff --git a/db.py b/db.py index 773bbe1..be610d7 100644 --- a/db.py +++ b/db.py @@ -56,6 +56,22 @@ def set_version(self, version): VALUES ('version', %s)""", (str(version),)) self.cxn.commit() + def migrate_to_2(self): + c = self.cxn.cursor() + c.execute("""ALTER TABLE `fingerprint` + ADD `fonts_v2` blob DEFAULT NULL, + ADD `supercookies_v2` varchar(255) DEFAULT NULL, + ADD `canvas_hash_v2` varchar(32) DEFAULT NULL, + ADD `webgl_hash_v2` varchar(32) DEFAULT NULL, + ADD `timezone_string` varchar(32) DEFAULT NULL, + ADD `webgl_vendor_renderer` varchar(255) DEFAULT NULL, + ADD `ad_block` varchar(5) DEFAULT NULL, + ADD `audio` varchar(32) DEFAULT NULL, + ADD `cpu_class` varchar(64) DEFAULT NULL, + ADD `hardware_concurrency` varchar(3) DEFAULT NULL, + ADD `device_memory` varchar(3) DEFAULT NULL"""); + self.cxn.commit() + def count_sightings(self, cookie, signature): c = self.cxn.cursor() c.execute("""SELECT COUNT(cookie_id) FROM cookies diff --git a/examples/sql/schema.sql b/examples/sql/schema.sql index db93987..8928faa 100644 --- a/examples/sql/schema.sql +++ b/examples/sql/schema.sql @@ -37,6 +37,17 @@ CREATE TABLE `fingerprint` ( `language` varchar(32) DEFAULT NULL, `platform` varchar(32) DEFAULT NULL, `touch_support` varchar(128) DEFAULT NULL, + `fonts_v2` blob DEFAULT NULL, + `supercookies_v2` varchar(255) DEFAULT NULL, + `canvas_hash_v2` varchar(32) DEFAULT NULL, + `webgl_hash_v2` varchar(32) DEFAULT NULL, + `timezone_string` varchar(32) DEFAULT NULL, + `webgl_vendor_renderer` varchar(255) DEFAULT NULL, + `ad_block` varchar(5) DEFAULT NULL, + `audio` varchar(32) DEFAULT NULL, + `cpu_class` varchar(64) DEFAULT NULL, + `hardware_concurrency` varchar(3) DEFAULT NULL, + `device_memory` varchar(3) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY (`signature`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; diff --git a/fingerprint/fingerprint_agent.py b/fingerprint/fingerprint_agent.py index fef9f42..e878699 100644 --- a/fingerprint/fingerprint_agent.py +++ b/fingerprint/fingerprint_agent.py @@ -27,15 +27,31 @@ def detect_server_whorls(self): vars_v1['plugins'] = u"no javascript" vars_v1['video'] = u"no javascript" vars_v1['timezone'] = u"no javascript" + vars_v1['language'] = u"no javascript" + vars_v1['platform'] = u"no javascript" + vars_v1['touch_support'] = u"no javascript" + + vars_v2 = vars_v1.copy() + vars_v1['fonts'] = u"no javascript" vars_v1['supercookies'] = u"no javascript" vars_v1['canvas_hash'] = u"no javascript" vars_v1['webgl_hash'] = u"no javascript" - vars_v1['language'] = u"no javascript" - vars_v1['platform'] = u"no javascript" - vars_v1['touch_support'] = u"no javascript" - return vars_v1 + vars_v2['fonts_v2'] = u"no javascript" + vars_v2['supercookies_v2'] = u"no javascript" + vars_v2['canvas_hash_v2'] = u"no javascript" + vars_v2['webgl_hash_v2'] = u"no javascript" + + vars_v2['timezone_string'] = u"no javascript" + vars_v2['webgl_vendor_renderer'] = u"no javascript" + vars_v2['ad_block'] = u"no javascript" + vars_v2['audio'] = u"no javascript" + vars_v2['cpu_class'] = u"no javascript" + vars_v2['hardware_concurrency'] = u"no javascript" + vars_v2['device_memory'] = u"no javascript" + + return (vars_v1, vars_v2) def _get_header(self, header): return self.request.headers.get(header) or "" diff --git a/fingerprint/fingerprint_helper.py b/fingerprint/fingerprint_helper.py index 4919a36..0ba9046 100644 --- a/fingerprint/fingerprint_helper.py +++ b/fingerprint/fingerprint_helper.py @@ -19,10 +19,45 @@ class FingerprintHelper(object): 'touch_support': "Touch Support" } + whorl_v2_names = { + 'user_agent': "User Agent", + 'http_accept': "HTTP_ACCEPT Headers", + 'plugins': "Browser Plugin Details", + 'timezone': "Time Zone Offset", + 'timezone_string': "Time Zone", + 'video': "Screen Size and Color Depth", + 'fonts_v2': "System Fonts", + 'cookie_enabled': "Are Cookies Enabled?", + 'supercookies_v2': "Limited supercookie test", + 'canvas_hash_v2': "Hash of canvas fingerprint", + 'webgl_hash_v2': "Hash of WebGL fingerprint", + 'webgl_vendor_renderer': "WebGL Vendor & Renderer", + 'dnt_enabled': "DNT Header Enabled?", + 'language': "Language", + 'platform': "Platform", + 'touch_support': "Touch Support", + 'ad_block': "Ad Blocker Used", + 'audio': "AudioContext fingerprint", + 'cpu_class': "CPU Class", + 'hardware_concurrency': "Hardware Concurrency", + 'device_memory': "Device Memory (GB)" + } + + # Any value that is ever expected to be over 255 characters (the length of # the 'value' field in 'totals') should be contained in this list. md5_keys = [ - 'plugins', 'fonts', 'user_agent', 'http_accept', 'supercookies', 'touch_support'] + 'plugins', + 'fonts', + 'fonts_v2', + 'user_agent', + 'http_accept', + 'supercookies', + 'supercookies_v2', + 'touch_support', + 'webgl_vendor_renderer', + 'cpu_class' + ] @classmethod def value_or_md5(cls, whorls): diff --git a/fingerprint/fingerprint_recorder.py b/fingerprint/fingerprint_recorder.py index 277bc57..620956a 100644 --- a/fingerprint/fingerprint_recorder.py +++ b/fingerprint/fingerprint_recorder.py @@ -10,7 +10,7 @@ class FingerprintRecorder(object): @classmethod - def record_fingerprint(cls, whorls_v1, cookie, ip_addr, key): + def record_fingerprint(cls, whorls_v1, whorls_v2, cookie, ip_addr, key): # ensure no rogue values have been entered valid_vars_v1 = list(FingerprintHelper.whorl_v1_names.keys()) valid_vars_v1.append('signature') @@ -21,6 +21,16 @@ def record_fingerprint(cls, whorls_v1, cookie, ip_addr, key): signature_v1 = hashlib.md5(serialized_whorls_v1.encode("utf-8")).hexdigest() whorls_v1['signature'] = signature_v1 + # ensure no rogue values have been entered + valid_vars_v2 = list(FingerprintHelper.whorl_v2_names.keys()) + valid_vars_v2.append('signature') + + sorted_whorls_v2 = sorted(whorls_v2.items()) + serialized_whorls_v2 = json.dumps(sorted_whorls_v2) + + signature_v2 = hashlib.md5(serialized_whorls_v2.encode("utf-8")).hexdigest() + whorls_v2['signature'] = signature_v2 + # When multiple whorl versions are being calculated, valid_print should # combine the whorls from both versions. There should never be a # mismatch of a whorl between two versions. If, say, the canvas_hash @@ -30,9 +40,13 @@ def record_fingerprint(cls, whorls_v1, cookie, ip_addr, key): for i in whorls_v1: if i in valid_vars_v1: valid_print[i] = whorls_v1[i] + for i in whorls_v2: + if i in valid_vars_v2: + valid_print[i] = whorls_v2[i] signatures = [ - { 'version': 1, 'signature': signature_v1 } + { 'version': 1, 'signature': signature_v1 }, + { 'version': 2, 'signature': signature_v2 } ] if cls._need_to_record(cookie, signatures, ip_addr, key): @@ -67,14 +81,14 @@ def epoch_calculate_totals(epoch_beginning): # been counted before @staticmethod def _need_to_record(cookie, signatures, ip_addr, key): - signature_v1 = signatures[0]['signature'] + signature_v2 = signatures[1]['signature'] db = Db() db.connect() if cookie: # okay, we have a cookie; check whether we've seen it with this # fingerprint before - seen = db.count_sightings(cookie, signature_v1) + seen = db.count_sightings(cookie, signature_v2) write_cookie = cookie else: seen = 0 # always count cookieless browsers diff --git a/main.py b/main.py index b5b04aa..a667994 100644 --- a/main.py +++ b/main.py @@ -72,6 +72,9 @@ def migrate_db(): if db_version < 1: db_version = 1 + if db_version < 2: + db.migrate_to_2() + db_version = 2 db.set_version(db_version) @@ -112,16 +115,19 @@ def fingerprint_nojs(): def fingerprint_generic(ajax_request, provide_additional_info=False): # detect server whorls, merge with client whorls - server_whorls_v1 = FingerprintAgent(request).detect_server_whorls() + server_whorls_v1, server_whorls_v2 = FingerprintAgent(request).detect_server_whorls() whorls_v1 = server_whorls_v1.copy() + whorls_v2 = server_whorls_v2.copy() if ajax_request: data = json.loads(request.data) for i in data['v1'].keys(): whorls_v1[i] = str(data['v1'][i]) + for i in data['v2'].keys(): + whorls_v2[i] = str(data['v2'][i]) # record the fingerprint we've crafted FingerprintRecorder.record_fingerprint( - whorls_v1, session['long_cookie'], request.remote_addr, key) + whorls_v1, whorls_v2, session['long_cookie'], request.remote_addr, key) # calculate the values we'll need to display to the user counts, total, matching, bits, group, uniqueness = EntropyHelper.calculate_values( diff --git a/parcel/fp2.html b/parcel/fp2.html new file mode 100644 index 0000000..0655160 --- /dev/null +++ b/parcel/fp2.html @@ -0,0 +1 @@ + diff --git a/parcel/fp2.js b/parcel/fp2.js new file mode 100644 index 0000000..fa0c6d5 --- /dev/null +++ b/parcel/fp2.js @@ -0,0 +1 @@ +window.Fingerprint2_new = require('fingerprintjs2'); diff --git a/static/dist/fp2.ada7e69f.js b/static/dist/fp2.ada7e69f.js new file mode 100644 index 0000000..c3b0c13 --- /dev/null +++ b/static/dist/fp2.ada7e69f.js @@ -0,0 +1,7 @@ +parcelRequire=function(e,r,n,t){var i="function"==typeof parcelRequire&&parcelRequire,o="function"==typeof require&&require;function u(n,t){if(!r[n]){if(!e[n]){var f="function"==typeof parcelRequire&&parcelRequire;if(!t&&f)return f(n,!0);if(i)return i(n,!0);if(o&&"string"==typeof n)return o(n);var 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int (as an array of two 32bit ints).\n//\n var x64Multiply = function (m, n) {\n m = [m[0] >>> 16, m[0] & 0xffff, m[1] >>> 16, m[1] & 0xffff]\n n = [n[0] >>> 16, n[0] & 0xffff, n[1] >>> 16, n[1] & 0xffff]\n var o = [0, 0, 0, 0]\n o[3] += m[3] * n[3]\n o[2] += o[3] >>> 16\n o[3] &= 0xffff\n o[2] += m[2] * n[3]\n o[1] += o[2] >>> 16\n o[2] &= 0xffff\n o[2] += m[3] * n[2]\n o[1] += o[2] >>> 16\n o[2] &= 0xffff\n o[1] += m[1] * n[3]\n o[0] += o[1] >>> 16\n o[1] &= 0xffff\n o[1] += m[2] * n[2]\n o[0] += o[1] >>> 16\n o[1] &= 0xffff\n o[1] += m[3] * n[1]\n o[0] += o[1] >>> 16\n o[1] &= 0xffff\n o[0] += (m[0] * n[3]) + (m[1] * n[2]) + (m[2] * n[1]) + (m[3] * n[0])\n o[0] &= 0xffff\n return [(o[0] << 16) | o[1], (o[2] << 16) | o[3]]\n }\n//\n// Given a 64bit int (as an array of two 32bit ints) and an int\n// representing a number of bit positions, returns the 64bit int (as an\n// array of two 32bit ints) rotated left by that number of positions.\n//\n var x64Rotl = function (m, n) {\n n %= 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33 bit unsigned right shift. This is the\n// only place where we need to right shift 64bit ints.)\n//\n var x64Fmix = function (h) {\n h = x64Xor(h, [0, h[0] >>> 1])\n h = x64Multiply(h, [0xff51afd7, 0xed558ccd])\n h = x64Xor(h, [0, h[0] >>> 1])\n h = x64Multiply(h, [0xc4ceb9fe, 0x1a85ec53])\n h = x64Xor(h, [0, h[0] >>> 1])\n return h\n }\n\n//\n// Given a string and an optional seed as an int, returns a 128 bit\n// hash using the x64 flavor of MurmurHash3, as an unsigned hex.\n//\n var x64hash128 = function (key, seed) {\n key = key || ''\n seed = seed || 0\n var remainder = key.length % 16\n var bytes = key.length - remainder\n var h1 = [0, seed]\n var h2 = [0, seed]\n var k1 = [0, 0]\n var k2 = [0, 0]\n var c1 = [0x87c37b91, 0x114253d5]\n var c2 = [0x4cf5ad43, 0x2745937f]\n for (var i = 0; i < bytes; i = i + 16) {\n k1 = [((key.charCodeAt(i + 4) & 0xff)) | ((key.charCodeAt(i + 5) & 0xff) << 8) | ((key.charCodeAt(i + 6) & 0xff) << 16) | ((key.charCodeAt(i + 7) & 0xff) << 24), ((key.charCodeAt(i) & 0xff)) | ((key.charCodeAt(i + 1) & 0xff) << 8) | ((key.charCodeAt(i + 2) & 0xff) << 16) | ((key.charCodeAt(i + 3) & 0xff) << 24)]\n k2 = [((key.charCodeAt(i + 12) & 0xff)) | ((key.charCodeAt(i + 13) & 0xff) << 8) | ((key.charCodeAt(i + 14) & 0xff) << 16) | ((key.charCodeAt(i + 15) & 0xff) << 24), ((key.charCodeAt(i + 8) & 0xff)) | ((key.charCodeAt(i + 9) & 0xff) << 8) | ((key.charCodeAt(i + 10) & 0xff) << 16) | ((key.charCodeAt(i + 11) & 0xff) << 24)]\n k1 = x64Multiply(k1, c1)\n k1 = x64Rotl(k1, 31)\n k1 = x64Multiply(k1, c2)\n h1 = x64Xor(h1, k1)\n h1 = x64Rotl(h1, 27)\n h1 = x64Add(h1, h2)\n h1 = x64Add(x64Multiply(h1, [0, 5]), [0, 0x52dce729])\n k2 = x64Multiply(k2, c2)\n k2 = x64Rotl(k2, 33)\n k2 = x64Multiply(k2, c1)\n h2 = x64Xor(h2, k2)\n h2 = x64Rotl(h2, 31)\n h2 = x64Add(h2, h1)\n h2 = x64Add(x64Multiply(h2, [0, 5]), [0, 0x38495ab5])\n }\n k1 = [0, 0]\n k2 = [0, 0]\n switch (remainder) {\n case 15:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 14)], 48))\n // fallthrough\n case 14:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 13)], 40))\n // fallthrough\n case 13:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 12)], 32))\n // fallthrough\n case 12:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 11)], 24))\n // fallthrough\n case 11:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 10)], 16))\n // fallthrough\n case 10:\n k2 = x64Xor(k2, x64LeftShift([0, key.charCodeAt(i + 9)], 8))\n // fallthrough\n case 9:\n k2 = x64Xor(k2, [0, key.charCodeAt(i + 8)])\n k2 = x64Multiply(k2, c2)\n k2 = x64Rotl(k2, 33)\n k2 = x64Multiply(k2, c1)\n h2 = x64Xor(h2, k2)\n // fallthrough\n case 8:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 7)], 56))\n // fallthrough\n case 7:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 6)], 48))\n // fallthrough\n case 6:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 5)], 40))\n // fallthrough\n case 5:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 4)], 32))\n // fallthrough\n case 4:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 3)], 24))\n // fallthrough\n case 3:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 2)], 16))\n // fallthrough\n case 2:\n k1 = x64Xor(k1, x64LeftShift([0, key.charCodeAt(i + 1)], 8))\n // fallthrough\n case 1:\n k1 = x64Xor(k1, [0, key.charCodeAt(i)])\n k1 = x64Multiply(k1, c1)\n k1 = x64Rotl(k1, 31)\n k1 = x64Multiply(k1, c2)\n h1 = x64Xor(h1, k1)\n // fallthrough\n }\n h1 = x64Xor(h1, [0, key.length])\n h2 = x64Xor(h2, [0, key.length])\n h1 = x64Add(h1, h2)\n h2 = x64Add(h2, h1)\n h1 = x64Fmix(h1)\n h2 = x64Fmix(h2)\n h1 = x64Add(h1, h2)\n h2 = x64Add(h2, h1)\n return ('00000000' + (h1[0] >>> 0).toString(16)).slice(-8) + ('00000000' + (h1[1] >>> 0).toString(16)).slice(-8) + ('00000000' + (h2[0] >>> 0).toString(16)).slice(-8) + ('00000000' + (h2[1] >>> 0).toString(16)).slice(-8)\n }\n\n var defaultOptions = {\n preprocessor: null,\n audio: {\n timeout: 1000,\n // On iOS 11, audio context can only be used in response to user interaction.\n // We require users to explicitly enable audio fingerprinting on iOS 11.\n // See https://stackoverflow.com/questions/46363048/onaudioprocess-not-called-on-ios11#46534088\n excludeIOS11: true\n },\n fonts: {\n swfContainerId: 'fingerprintjs2',\n swfPath: 'flash/compiled/FontList.swf',\n userDefinedFonts: [],\n extendedJsFonts: false\n },\n screen: {\n // To ensure consistent fingerprints when users rotate their mobile devices\n detectScreenOrientation: true\n },\n plugins: {\n sortPluginsFor: [/palemoon/i],\n excludeIE: false\n },\n extraComponents: [],\n excludes: {\n // Unreliable on Windows, see https://github.com/Valve/fingerprintjs2/issues/375\n 'enumerateDevices': true,\n // devicePixelRatio depends on browser zoom, and it's impossible to detect browser zoom\n 'pixelRatio': true,\n // DNT depends on incognito mode for some browsers (Chrome) and it's impossible to detect incognito mode\n 'doNotTrack': true,\n // uses js fonts already\n 'fontsFlash': true\n },\n NOT_AVAILABLE: 'not available',\n ERROR: 'error',\n EXCLUDED: 'excluded'\n }\n\n var each = function (obj, iterator) {\n if (Array.prototype.forEach && obj.forEach === Array.prototype.forEach) {\n obj.forEach(iterator)\n } else if (obj.length === +obj.length) {\n for (var i = 0, l = obj.length; i < l; i++) {\n iterator(obj[i], i, obj)\n }\n } else {\n for (var key in obj) {\n if (obj.hasOwnProperty(key)) {\n iterator(obj[key], key, obj)\n }\n }\n }\n }\n\n var map = function (obj, iterator) {\n var results = []\n // Not using strict equality so that this acts as a\n // shortcut to checking for `null` and `undefined`.\n if (obj == null) {\n return results\n }\n if (Array.prototype.map && obj.map === Array.prototype.map) { return obj.map(iterator) }\n each(obj, function (value, index, list) {\n results.push(iterator(value, index, list))\n })\n return results\n }\n\n var extendSoft = function (target, source) {\n if (source == null) { return target }\n var value\n var key\n for (key in source) {\n value = source[key]\n if (value != null && !(Object.prototype.hasOwnProperty.call(target, key))) {\n target[key] = value\n }\n }\n return target\n }\n\n// https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/enumerateDevices\n var enumerateDevicesKey = function (done, options) {\n if (!isEnumerateDevicesSupported()) {\n return done(options.NOT_AVAILABLE)\n }\n navigator.mediaDevices.enumerateDevices().then(function (devices) {\n done(devices.map(function (device) {\n return 'id=' + device.deviceId + ';gid=' + device.groupId + ';' + device.kind + ';' + device.label\n }))\n })\n .catch(function (error) {\n done(error)\n })\n }\n\n var isEnumerateDevicesSupported = function () {\n return (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices)\n }\n// Inspired by and based on https://github.com/cozylife/audio-fingerprint\n var audioKey = function (done, options) {\n var audioOptions = options.audio\n if (audioOptions.excludeIOS11 && navigator.userAgent.match(/OS 11.+Version\\/11.+Safari/)) {\n // See comment for excludeUserAgent and https://stackoverflow.com/questions/46363048/onaudioprocess-not-called-on-ios11#46534088\n return done(options.EXCLUDED)\n }\n\n var AudioContext = window.OfflineAudioContext || window.webkitOfflineAudioContext\n\n if (AudioContext == null) {\n return done(options.NOT_AVAILABLE)\n }\n\n var context = new AudioContext(1, 44100, 44100)\n\n var oscillator = context.createOscillator()\n oscillator.type = 'triangle'\n oscillator.frequency.setValueAtTime(10000, context.currentTime)\n\n var compressor = context.createDynamicsCompressor()\n each([\n ['threshold', -50],\n ['knee', 40],\n ['ratio', 12],\n ['reduction', -20],\n ['attack', 0],\n ['release', 0.25]\n ], function (item) {\n if (compressor[item[0]] !== undefined && typeof compressor[item[0]].setValueAtTime === 'function') {\n compressor[item[0]].setValueAtTime(item[1], context.currentTime)\n }\n })\n\n oscillator.connect(compressor)\n compressor.connect(context.destination)\n oscillator.start(0)\n context.startRendering()\n\n var audioTimeoutId = setTimeout(function () {\n console.warn('Audio fingerprint timed out. Please report bug at https://github.com/Valve/fingerprintjs2 with your user agent: \"' + navigator.userAgent + '\".')\n context.oncomplete = function () {}\n context = null\n return done('audioTimeout')\n }, audioOptions.timeout)\n\n context.oncomplete = function (event) {\n var fingerprint\n try {\n clearTimeout(audioTimeoutId)\n fingerprint = event.renderedBuffer.getChannelData(0)\n .slice(4500, 5000)\n .reduce(function (acc, val) { return acc + Math.abs(val) }, 0)\n .toString()\n oscillator.disconnect()\n compressor.disconnect()\n } catch (error) {\n done(error)\n return\n }\n done(fingerprint)\n }\n }\n var UserAgent = function (done) {\n done(navigator.userAgent)\n }\n var languageKey = function (done, options) {\n done(navigator.language || navigator.userLanguage || navigator.browserLanguage || navigator.systemLanguage || options.NOT_AVAILABLE)\n }\n var colorDepthKey = function (done, options) {\n done(window.screen.colorDepth || options.NOT_AVAILABLE)\n }\n var deviceMemoryKey = function (done, options) {\n done(navigator.deviceMemory || options.NOT_AVAILABLE)\n }\n var pixelRatioKey = function (done, options) {\n done(window.devicePixelRatio || options.NOT_AVAILABLE)\n }\n var screenResolutionKey = function (done, options) {\n done(getScreenResolution(options))\n }\n var getScreenResolution = function (options) {\n var resolution = [window.screen.width, window.screen.height]\n if (options.screen.detectScreenOrientation) {\n resolution.sort().reverse()\n }\n return resolution\n }\n var availableScreenResolutionKey = function (done, options) {\n done(getAvailableScreenResolution(options))\n }\n var getAvailableScreenResolution = function (options) {\n if (window.screen.availWidth && window.screen.availHeight) {\n var available = [window.screen.availHeight, window.screen.availWidth]\n if (options.screen.detectScreenOrientation) {\n available.sort().reverse()\n }\n return available\n }\n // headless browsers\n return options.NOT_AVAILABLE\n }\n var timezoneOffset = function (done) {\n done(new Date().getTimezoneOffset())\n }\n var timezone = function (done, options) {\n if (window.Intl && window.Intl.DateTimeFormat) {\n done(new window.Intl.DateTimeFormat().resolvedOptions().timeZone)\n return\n }\n done(options.NOT_AVAILABLE)\n }\n var sessionStorageKey = function (done, options) {\n done(hasSessionStorage(options))\n }\n var localStorageKey = function (done, options) {\n done(hasLocalStorage(options))\n }\n var indexedDbKey = function (done, options) {\n done(hasIndexedDB(options))\n }\n var addBehaviorKey = function (done) {\n // body might not be defined at this point or removed programmatically\n done(!!(document.body && document.body.addBehavior))\n }\n var openDatabaseKey = function (done) {\n done(!!window.openDatabase)\n }\n var cpuClassKey = function (done, options) {\n done(getNavigatorCpuClass(options))\n }\n var platformKey = function (done, options) {\n done(getNavigatorPlatform(options))\n }\n var doNotTrackKey = function (done, options) {\n done(getDoNotTrack(options))\n }\n var canvasKey = function (done, options) {\n if (isCanvasSupported()) {\n done(getCanvasFp(options))\n return\n }\n done(options.NOT_AVAILABLE)\n }\n var webglKey = function (done, options) {\n if (isWebGlSupported()) {\n done(getWebglFp())\n return\n }\n done(options.NOT_AVAILABLE)\n }\n var webglVendorAndRendererKey = function (done) {\n if (isWebGlSupported()) {\n done(getWebglVendorAndRenderer())\n return\n }\n done()\n }\n var adBlockKey = function (done) {\n done(getAdBlock())\n }\n var hasLiedLanguagesKey = function (done) {\n done(getHasLiedLanguages())\n }\n var hasLiedResolutionKey = function (done) {\n done(getHasLiedResolution())\n }\n var hasLiedOsKey = function (done) {\n done(getHasLiedOs())\n }\n var hasLiedBrowserKey = function (done) {\n done(getHasLiedBrowser())\n }\n// flash fonts (will increase fingerprinting time 20X to ~ 130-150ms)\n var flashFontsKey = function (done, options) {\n // we do flash if swfobject is loaded\n if (!hasSwfObjectLoaded()) {\n return done('swf object not loaded')\n }\n if (!hasMinFlashInstalled()) {\n return done('flash not installed')\n }\n if (!options.fonts.swfPath) {\n return done('missing options.fonts.swfPath')\n }\n loadSwfAndDetectFonts(function (fonts) {\n done(fonts)\n }, options)\n }\n// kudos to http://www.lalit.org/lab/javascript-css-font-detect/\n var jsFontsKey = function (done, options) {\n // a font will be compared against all the three default fonts.\n // and if it doesn't match all 3 then that font is not available.\n var baseFonts = ['monospace', 'sans-serif', 'serif']\n\n var fontList = [\n 'Andale Mono', 'Arial', 'Arial Black', 'Arial Hebrew', 'Arial MT', 'Arial Narrow', 'Arial Rounded MT Bold', 'Arial Unicode MS',\n 'Bitstream Vera Sans Mono', 'Book Antiqua', 'Bookman Old Style',\n 'Calibri', 'Cambria', 'Cambria Math', 'Century', 'Century Gothic', 'Century Schoolbook', 'Comic Sans', 'Comic Sans MS', 'Consolas', 'Courier', 'Courier New',\n 'Geneva', 'Georgia',\n 'Helvetica', 'Helvetica Neue',\n 'Impact',\n 'Lucida Bright', 'Lucida Calligraphy', 'Lucida Console', 'Lucida Fax', 'LUCIDA GRANDE', 'Lucida Handwriting', 'Lucida Sans', 'Lucida Sans Typewriter', 'Lucida Sans Unicode',\n 'Microsoft Sans Serif', 'Monaco', 'Monotype Corsiva', 'MS Gothic', 'MS Outlook', 'MS PGothic', 'MS Reference Sans Serif', 'MS Sans Serif', 'MS Serif', 'MYRIAD', 'MYRIAD PRO',\n 'Palatino', 'Palatino Linotype',\n 'Segoe Print', 'Segoe Script', 'Segoe UI', 'Segoe UI Light', 'Segoe UI Semibold', 'Segoe UI Symbol',\n 'Tahoma', 'Times', 'Times New Roman', 'Times New Roman PS', 'Trebuchet MS',\n 'Verdana', 'Wingdings', 'Wingdings 2', 'Wingdings 3'\n ]\n\n if (options.fonts.extendedJsFonts) {\n var extendedFontList = [\n 'Abadi MT Condensed Light', 'Academy Engraved LET', 'ADOBE CASLON PRO', 'Adobe Garamond', 'ADOBE GARAMOND PRO', 'Agency FB', 'Aharoni', 'Albertus Extra Bold', 'Albertus Medium', 'Algerian', 'Amazone BT', 'American Typewriter',\n 'American Typewriter Condensed', 'AmerType Md BT', 'Andalus', 'Angsana New', 'AngsanaUPC', 'Antique Olive', 'Aparajita', 'Apple Chancery', 'Apple Color Emoji', 'Apple SD Gothic Neo', 'Arabic Typesetting', 'ARCHER',\n 'ARNO PRO', 'Arrus BT', 'Aurora Cn BT', 'AvantGarde Bk BT', 'AvantGarde Md BT', 'AVENIR', 'Ayuthaya', 'Bandy', 'Bangla Sangam MN', 'Bank Gothic', 'BankGothic Md BT', 'Baskerville',\n 'Baskerville Old Face', 'Batang', 'BatangChe', 'Bauer Bodoni', 'Bauhaus 93', 'Bazooka', 'Bell MT', 'Bembo', 'Benguiat Bk BT', 'Berlin Sans FB', 'Berlin Sans FB Demi', 'Bernard MT Condensed', 'BernhardFashion BT', 'BernhardMod BT', 'Big Caslon', 'BinnerD',\n 'Blackadder ITC', 'BlairMdITC TT', 'Bodoni 72', 'Bodoni 72 Oldstyle', 'Bodoni 72 Smallcaps', 'Bodoni MT', 'Bodoni MT Black', 'Bodoni MT Condensed', 'Bodoni MT Poster Compressed',\n 'Bookshelf Symbol 7', 'Boulder', 'Bradley Hand', 'Bradley Hand ITC', 'Bremen Bd BT', 'Britannic Bold', 'Broadway', 'Browallia New', 'BrowalliaUPC', 'Brush Script MT', 'Californian FB', 'Calisto MT', 'Calligrapher', 'Candara',\n 'CaslonOpnface BT', 'Castellar', 'Centaur', 'Cezanne', 'CG Omega', 'CG Times', 'Chalkboard', 'Chalkboard SE', 'Chalkduster', 'Charlesworth', 'Charter Bd BT', 'Charter BT', 'Chaucer',\n 'ChelthmITC Bk BT', 'Chiller', 'Clarendon', 'Clarendon Condensed', 'CloisterBlack BT', 'Cochin', 'Colonna MT', 'Constantia', 'Cooper Black', 'Copperplate', 'Copperplate Gothic', 'Copperplate Gothic Bold',\n 'Copperplate Gothic Light', 'CopperplGoth Bd BT', 'Corbel', 'Cordia New', 'CordiaUPC', 'Cornerstone', 'Coronet', 'Cuckoo', 'Curlz MT', 'DaunPenh', 'Dauphin', 'David', 'DB LCD Temp', 'DELICIOUS', 'Denmark',\n 'DFKai-SB', 'Didot', 'DilleniaUPC', 'DIN', 'DokChampa', 'Dotum', 'DotumChe', 'Ebrima', 'Edwardian Script ITC', 'Elephant', 'English 111 Vivace BT', 'Engravers MT', 'EngraversGothic BT', 'Eras Bold ITC', 'Eras Demi ITC', 'Eras Light ITC', 'Eras Medium ITC',\n 'EucrosiaUPC', 'Euphemia', 'Euphemia UCAS', 'EUROSTILE', 'Exotc350 Bd BT', 'FangSong', 'Felix Titling', 'Fixedsys', 'FONTIN', 'Footlight MT Light', 'Forte',\n 'FrankRuehl', 'Fransiscan', 'Freefrm721 Blk BT', 'FreesiaUPC', 'Freestyle Script', 'French Script MT', 'FrnkGothITC Bk BT', 'Fruitger', 'FRUTIGER',\n 'Futura', 'Futura Bk BT', 'Futura Lt BT', 'Futura Md BT', 'Futura ZBlk BT', 'FuturaBlack BT', 'Gabriola', 'Galliard BT', 'Gautami', 'Geeza Pro', 'Geometr231 BT', 'Geometr231 Hv BT', 'Geometr231 Lt BT', 'GeoSlab 703 Lt BT',\n 'GeoSlab 703 XBd BT', 'Gigi', 'Gill Sans', 'Gill Sans MT', 'Gill Sans MT Condensed', 'Gill Sans MT Ext Condensed Bold', 'Gill Sans Ultra Bold', 'Gill Sans Ultra Bold Condensed', 'Gisha', 'Gloucester MT Extra Condensed', 'GOTHAM', 'GOTHAM BOLD',\n 'Goudy Old Style', 'Goudy Stout', 'GoudyHandtooled BT', 'GoudyOLSt BT', 'Gujarati Sangam MN', 'Gulim', 'GulimChe', 'Gungsuh', 'GungsuhChe', 'Gurmukhi MN', 'Haettenschweiler', 'Harlow Solid Italic', 'Harrington', 'Heather', 'Heiti SC', 'Heiti TC', 'HELV',\n 'Herald', 'High Tower Text', 'Hiragino Kaku Gothic ProN', 'Hiragino Mincho ProN', 'Hoefler Text', 'Humanst 521 Cn BT', 'Humanst521 BT', 'Humanst521 Lt BT', 'Imprint MT Shadow', 'Incised901 Bd BT', 'Incised901 BT',\n 'Incised901 Lt BT', 'INCONSOLATA', 'Informal Roman', 'Informal011 BT', 'INTERSTATE', 'IrisUPC', 'Iskoola Pota', 'JasmineUPC', 'Jazz LET', 'Jenson', 'Jester', 'Jokerman', 'Juice ITC', 'Kabel Bk BT', 'Kabel Ult BT', 'Kailasa', 'KaiTi', 'Kalinga', 'Kannada Sangam MN',\n 'Kartika', 'Kaufmann Bd BT', 'Kaufmann BT', 'Khmer UI', 'KodchiangUPC', 'Kokila', 'Korinna BT', 'Kristen ITC', 'Krungthep', 'Kunstler Script', 'Lao UI', 'Latha', 'Leelawadee', 'Letter Gothic', 'Levenim MT', 'LilyUPC', 'Lithograph', 'Lithograph Light', 'Long Island',\n 'Lydian BT', 'Magneto', 'Maiandra GD', 'Malayalam Sangam MN', 'Malgun Gothic',\n 'Mangal', 'Marigold', 'Marion', 'Marker Felt', 'Market', 'Marlett', 'Matisse ITC', 'Matura MT Script Capitals', 'Meiryo', 'Meiryo UI', 'Microsoft Himalaya', 'Microsoft JhengHei', 'Microsoft New Tai Lue', 'Microsoft PhagsPa', 'Microsoft Tai Le',\n 'Microsoft Uighur', 'Microsoft YaHei', 'Microsoft Yi Baiti', 'MingLiU', 'MingLiU_HKSCS', 'MingLiU_HKSCS-ExtB', 'MingLiU-ExtB', 'Minion', 'Minion Pro', 'Miriam', 'Miriam Fixed', 'Mistral', 'Modern', 'Modern No. 20', 'Mona Lisa Solid ITC TT', 'Mongolian Baiti',\n 'MONO', 'MoolBoran', 'Mrs Eaves', 'MS LineDraw', 'MS Mincho', 'MS PMincho', 'MS Reference Specialty', 'MS UI Gothic', 'MT Extra', 'MUSEO', 'MV Boli',\n 'Nadeem', 'Narkisim', 'NEVIS', 'News Gothic', 'News GothicMT', 'NewsGoth BT', 'Niagara Engraved', 'Niagara Solid', 'Noteworthy', 'NSimSun', 'Nyala', 'OCR A Extended', 'Old Century', 'Old English Text MT', 'Onyx', 'Onyx BT', 'OPTIMA', 'Oriya Sangam MN',\n 'OSAKA', 'OzHandicraft BT', 'Palace Script MT', 'Papyrus', 'Parchment', 'Party LET', 'Pegasus', 'Perpetua', 'Perpetua Titling MT', 'PetitaBold', 'Pickwick', 'Plantagenet Cherokee', 'Playbill', 'PMingLiU', 'PMingLiU-ExtB',\n 'Poor Richard', 'Poster', 'PosterBodoni BT', 'PRINCETOWN LET', 'Pristina', 'PTBarnum BT', 'Pythagoras', 'Raavi', 'Rage Italic', 'Ravie', 'Ribbon131 Bd BT', 'Rockwell', 'Rockwell Condensed', 'Rockwell Extra Bold', 'Rod', 'Roman', 'Sakkal Majalla',\n 'Santa Fe LET', 'Savoye LET', 'Sceptre', 'Script', 'Script MT Bold', 'SCRIPTINA', 'Serifa', 'Serifa BT', 'Serifa Th BT', 'ShelleyVolante BT', 'Sherwood',\n 'Shonar Bangla', 'Showcard Gothic', 'Shruti', 'Signboard', 'SILKSCREEN', 'SimHei', 'Simplified Arabic', 'Simplified Arabic Fixed', 'SimSun', 'SimSun-ExtB', 'Sinhala Sangam MN', 'Sketch Rockwell', 'Skia', 'Small Fonts', 'Snap ITC', 'Snell Roundhand', 'Socket',\n 'Souvenir Lt BT', 'Staccato222 BT', 'Steamer', 'Stencil', 'Storybook', 'Styllo', 'Subway', 'Swis721 BlkEx BT', 'Swiss911 XCm BT', 'Sylfaen', 'Synchro LET', 'System', 'Tamil Sangam MN', 'Technical', 'Teletype', 'Telugu Sangam MN', 'Tempus Sans ITC',\n 'Terminal', 'Thonburi', 'Traditional Arabic', 'Trajan', 'TRAJAN PRO', 'Tristan', 'Tubular', 'Tunga', 'Tw Cen MT', 'Tw Cen MT Condensed', 'Tw Cen MT Condensed Extra Bold',\n 'TypoUpright BT', 'Unicorn', 'Univers', 'Univers CE 55 Medium', 'Univers Condensed', 'Utsaah', 'Vagabond', 'Vani', 'Vijaya', 'Viner Hand ITC', 'VisualUI', 'Vivaldi', 'Vladimir Script', 'Vrinda', 'Westminster', 'WHITNEY', 'Wide Latin',\n 'ZapfEllipt BT', 'ZapfHumnst BT', 'ZapfHumnst Dm BT', 'Zapfino', 'Zurich BlkEx BT', 'Zurich Ex BT', 'ZWAdobeF']\n fontList = fontList.concat(extendedFontList)\n }\n\n fontList = fontList.concat(options.fonts.userDefinedFonts)\n\n // remove duplicate fonts\n fontList = fontList.filter(function (font, position) {\n return fontList.indexOf(font) === position\n })\n\n // we use m or w because these two characters take up the maximum width.\n // And we use a LLi so that the same matching fonts can get separated\n var testString = 'mmmmmmmmmmlli'\n\n // we test using 72px font size, we may use any size. I guess larger the better.\n var testSize = '72px'\n\n var h = document.getElementsByTagName('body')[0]\n\n // div to load spans for the base fonts\n var baseFontsDiv = document.createElement('div')\n\n // div to load spans for the fonts to detect\n var fontsDiv = document.createElement('div')\n\n var defaultWidth = {}\n var defaultHeight = {}\n\n // creates a span where the fonts will be loaded\n var createSpan = function () {\n var s = document.createElement('span')\n /*\n * We need this css as in some weird browser this\n * span elements shows up for a microSec which creates a\n * bad user experience\n */\n s.style.position = 'absolute'\n s.style.left = '-9999px'\n s.style.fontSize = testSize\n\n // css font reset to reset external styles\n s.style.fontStyle = 'normal'\n s.style.fontWeight = 'normal'\n s.style.letterSpacing = 'normal'\n s.style.lineBreak = 'auto'\n s.style.lineHeight = 'normal'\n s.style.textTransform = 'none'\n s.style.textAlign = 'left'\n s.style.textDecoration = 'none'\n s.style.textShadow = 'none'\n s.style.whiteSpace = 'normal'\n s.style.wordBreak = 'normal'\n s.style.wordSpacing = 'normal'\n\n s.innerHTML = testString\n return s\n }\n\n // creates a span and load the font to detect and a base font for fallback\n var createSpanWithFonts = function (fontToDetect, baseFont) {\n var s = createSpan()\n s.style.fontFamily = \"'\" + fontToDetect + \"',\" + baseFont\n return s\n }\n\n // creates spans for the base fonts and adds them to baseFontsDiv\n var initializeBaseFontsSpans = function () {\n var spans = []\n for (var index = 0, length = baseFonts.length; index < length; index++) {\n var s = createSpan()\n s.style.fontFamily = baseFonts[index]\n baseFontsDiv.appendChild(s)\n spans.push(s)\n }\n return spans\n }\n\n // creates spans for the fonts to detect and adds them to fontsDiv\n var initializeFontsSpans = function () {\n var spans = {}\n for (var i = 0, l = fontList.length; i < l; i++) {\n var fontSpans = []\n for (var j = 0, numDefaultFonts = baseFonts.length; j < numDefaultFonts; j++) {\n var s = createSpanWithFonts(fontList[i], baseFonts[j])\n fontsDiv.appendChild(s)\n fontSpans.push(s)\n }\n spans[fontList[i]] = fontSpans // Stores {fontName : [spans for that font]}\n }\n return spans\n }\n\n // checks if a font is available\n var isFontAvailable = function (fontSpans) {\n var detected = false\n for (var i = 0; i < baseFonts.length; i++) {\n detected = (fontSpans[i].offsetWidth !== defaultWidth[baseFonts[i]] || fontSpans[i].offsetHeight !== defaultHeight[baseFonts[i]])\n if (detected) {\n return detected\n }\n }\n return detected\n }\n\n // create spans for base fonts\n var baseFontsSpans = initializeBaseFontsSpans()\n\n // add the spans to the DOM\n h.appendChild(baseFontsDiv)\n\n // get the default width for the three base fonts\n for (var index = 0, length = baseFonts.length; index < length; index++) {\n defaultWidth[baseFonts[index]] = baseFontsSpans[index].offsetWidth // width for the default font\n defaultHeight[baseFonts[index]] = baseFontsSpans[index].offsetHeight // height for the default font\n }\n\n // create spans for fonts to detect\n var fontsSpans = initializeFontsSpans()\n\n // add all the spans to the DOM\n h.appendChild(fontsDiv)\n\n // check available fonts\n var available = []\n for (var i = 0, l = fontList.length; i < l; i++) {\n if (isFontAvailable(fontsSpans[fontList[i]])) {\n available.push(fontList[i])\n }\n }\n\n // remove spans from DOM\n h.removeChild(fontsDiv)\n h.removeChild(baseFontsDiv)\n done(available)\n }\n var pluginsComponent = function (done, options) {\n if (isIE()) {\n if (!options.plugins.excludeIE) {\n done(getIEPlugins(options))\n } else {\n done(options.EXCLUDED)\n }\n } else {\n done(getRegularPlugins(options))\n }\n }\n var getRegularPlugins = function (options) {\n if (navigator.plugins == null) {\n return options.NOT_AVAILABLE\n }\n\n var plugins = []\n // plugins isn't defined in Node envs.\n for (var i = 0, l = navigator.plugins.length; i < l; i++) {\n if (navigator.plugins[i]) { plugins.push(navigator.plugins[i]) }\n }\n\n // sorting plugins only for those user agents, that we know randomize the plugins\n // every time we try to enumerate them\n if (pluginsShouldBeSorted(options)) {\n plugins = plugins.sort(function (a, b) {\n if (a.name > b.name) { return 1 }\n if (a.name < b.name) { return -1 }\n return 0\n })\n }\n return map(plugins, function (p) {\n var mimeTypes = map(p, function (mt) {\n return [mt.type, mt.suffixes]\n })\n return [p.name, p.description, mimeTypes]\n })\n }\n var getIEPlugins = function (options) {\n var result = []\n if ((Object.getOwnPropertyDescriptor && Object.getOwnPropertyDescriptor(window, 'ActiveXObject')) || ('ActiveXObject' in window)) {\n var names = [\n 'AcroPDF.PDF', // Adobe PDF reader 7+\n 'Adodb.Stream',\n 'AgControl.AgControl', // Silverlight\n 'DevalVRXCtrl.DevalVRXCtrl.1',\n 'MacromediaFlashPaper.MacromediaFlashPaper',\n 'Msxml2.DOMDocument',\n 'Msxml2.XMLHTTP',\n 'PDF.PdfCtrl', // Adobe PDF reader 6 and earlier, brrr\n 'QuickTime.QuickTime', // QuickTime\n 'QuickTimeCheckObject.QuickTimeCheck.1',\n 'RealPlayer',\n 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)',\n 'RealVideo.RealVideo(tm) ActiveX Control (32-bit)',\n 'Scripting.Dictionary',\n 'SWCtl.SWCtl', // ShockWave player\n 'Shell.UIHelper',\n 'ShockwaveFlash.ShockwaveFlash', // flash plugin\n 'Skype.Detection',\n 'TDCCtl.TDCCtl',\n 'WMPlayer.OCX', // Windows media player\n 'rmocx.RealPlayer G2 Control',\n 'rmocx.RealPlayer G2 Control.1'\n ]\n // starting to detect plugins in IE\n result = map(names, function (name) {\n try {\n // eslint-disable-next-line no-new\n new window.ActiveXObject(name)\n return name\n } catch (e) {\n return options.ERROR\n }\n })\n } else {\n result.push(options.NOT_AVAILABLE)\n }\n if (navigator.plugins) {\n result = result.concat(getRegularPlugins(options))\n }\n return result\n }\n var pluginsShouldBeSorted = function (options) {\n var should = false\n for (var i = 0, l = options.plugins.sortPluginsFor.length; i < l; i++) {\n var re = options.plugins.sortPluginsFor[i]\n if (navigator.userAgent.match(re)) {\n should = true\n break\n }\n }\n return should\n }\n var touchSupportKey = function (done) {\n done(getTouchSupport())\n }\n var hardwareConcurrencyKey = function (done, options) {\n done(getHardwareConcurrency(options))\n }\n var hasSessionStorage = function (options) {\n try {\n return !!window.sessionStorage\n } catch (e) {\n return options.ERROR // SecurityError when referencing it means it exists\n }\n }\n\n// https://bugzilla.mozilla.org/show_bug.cgi?id=781447\n var hasLocalStorage = function (options) {\n try {\n return !!window.localStorage\n } catch (e) {\n return options.ERROR // SecurityError when referencing it means it exists\n }\n }\n var hasIndexedDB = function (options) {\n try {\n return !!window.indexedDB\n } catch (e) {\n return options.ERROR // SecurityError when referencing it means it exists\n }\n }\n var getHardwareConcurrency = function (options) {\n if (navigator.hardwareConcurrency) {\n return navigator.hardwareConcurrency\n }\n return options.NOT_AVAILABLE\n }\n var getNavigatorCpuClass = function (options) {\n return navigator.cpuClass || options.NOT_AVAILABLE\n }\n var getNavigatorPlatform = function (options) {\n if (navigator.platform) {\n return navigator.platform\n } else {\n return options.NOT_AVAILABLE\n }\n }\n var getDoNotTrack = function (options) {\n if (navigator.doNotTrack) {\n return navigator.doNotTrack\n } else if (navigator.msDoNotTrack) {\n return navigator.msDoNotTrack\n } else if (window.doNotTrack) {\n return window.doNotTrack\n } else {\n return options.NOT_AVAILABLE\n }\n }\n// This is a crude and primitive touch screen detection.\n// It's not possible to currently reliably detect the availability of a touch screen\n// with a JS, without actually subscribing to a touch event.\n// http://www.stucox.com/blog/you-cant-detect-a-touchscreen/\n// https://github.com/Modernizr/Modernizr/issues/548\n// method returns an array of 3 values:\n// maxTouchPoints, the success or failure of creating a TouchEvent,\n// and the availability of the 'ontouchstart' property\n\n var getTouchSupport = function () {\n var maxTouchPoints = 0\n var touchEvent\n if (typeof navigator.maxTouchPoints !== 'undefined') {\n maxTouchPoints = navigator.maxTouchPoints\n } else if (typeof navigator.msMaxTouchPoints !== 'undefined') {\n maxTouchPoints = navigator.msMaxTouchPoints\n }\n try {\n document.createEvent('TouchEvent')\n touchEvent = true\n } catch (_) {\n touchEvent = false\n }\n var touchStart = 'ontouchstart' in window\n return [maxTouchPoints, touchEvent, touchStart]\n }\n// https://www.browserleaks.com/canvas#how-does-it-work\n\n var getCanvasFp = function (options) {\n var result = []\n // Very simple now, need to make it more complex (geo shapes etc)\n var canvas = document.createElement('canvas')\n canvas.width = 2000\n canvas.height = 200\n canvas.style.display = 'inline'\n var ctx = canvas.getContext('2d')\n // detect browser support of canvas winding\n // http://blogs.adobe.com/webplatform/2013/01/30/winding-rules-in-canvas/\n // https://github.com/Modernizr/Modernizr/blob/master/feature-detects/canvas/winding.js\n ctx.rect(0, 0, 10, 10)\n ctx.rect(2, 2, 6, 6)\n result.push('canvas winding:' + ((ctx.isPointInPath(5, 5, 'evenodd') === false) ? 'yes' : 'no'))\n\n ctx.textBaseline = 'alphabetic'\n ctx.fillStyle = '#f60'\n ctx.fillRect(125, 1, 62, 20)\n ctx.fillStyle = '#069'\n // https://github.com/Valve/fingerprintjs2/issues/66\n if (options.dontUseFakeFontInCanvas) {\n ctx.font = '11pt Arial'\n } else {\n ctx.font = '11pt no-real-font-123'\n }\n ctx.fillText('Cwm fjordbank glyphs vext quiz, \\ud83d\\ude03', 2, 15)\n ctx.fillStyle = 'rgba(102, 204, 0, 0.2)'\n ctx.font = '18pt Arial'\n ctx.fillText('Cwm fjordbank glyphs vext quiz, \\ud83d\\ude03', 4, 45)\n\n // canvas blending\n // http://blogs.adobe.com/webplatform/2013/01/28/blending-features-in-canvas/\n // http://jsfiddle.net/NDYV8/16/\n ctx.globalCompositeOperation = 'multiply'\n ctx.fillStyle = 'rgb(255,0,255)'\n ctx.beginPath()\n ctx.arc(50, 50, 50, 0, Math.PI * 2, true)\n ctx.closePath()\n ctx.fill()\n ctx.fillStyle = 'rgb(0,255,255)'\n ctx.beginPath()\n ctx.arc(100, 50, 50, 0, Math.PI * 2, true)\n ctx.closePath()\n ctx.fill()\n ctx.fillStyle = 'rgb(255,255,0)'\n ctx.beginPath()\n ctx.arc(75, 100, 50, 0, Math.PI * 2, true)\n ctx.closePath()\n ctx.fill()\n ctx.fillStyle = 'rgb(255,0,255)'\n // canvas winding\n // http://blogs.adobe.com/webplatform/2013/01/30/winding-rules-in-canvas/\n // http://jsfiddle.net/NDYV8/19/\n ctx.arc(75, 75, 75, 0, Math.PI * 2, true)\n ctx.arc(75, 75, 25, 0, Math.PI * 2, true)\n ctx.fill('evenodd')\n\n if (canvas.toDataURL) { result.push('canvas fp:' + canvas.toDataURL()) }\n return result\n }\n var getWebglFp = function () {\n var gl\n var fa2s = function (fa) {\n gl.clearColor(0.0, 0.0, 0.0, 1.0)\n gl.enable(gl.DEPTH_TEST)\n gl.depthFunc(gl.LEQUAL)\n gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)\n return '[' + fa[0] + ', ' + fa[1] + ']'\n }\n var maxAnisotropy = function (gl) {\n var ext = gl.getExtension('EXT_texture_filter_anisotropic') || gl.getExtension('WEBKIT_EXT_texture_filter_anisotropic') || gl.getExtension('MOZ_EXT_texture_filter_anisotropic')\n if (ext) {\n var anisotropy = gl.getParameter(ext.MAX_TEXTURE_MAX_ANISOTROPY_EXT)\n if (anisotropy === 0) {\n anisotropy = 2\n }\n return anisotropy\n } else {\n return null\n }\n }\n\n gl = getWebglCanvas()\n if (!gl) { return null }\n // WebGL fingerprinting is a combination of techniques, found in MaxMind antifraud script & Augur fingerprinting.\n // First it draws a gradient object with shaders and convers the image to the Base64 string.\n // Then it enumerates all WebGL extensions & capabilities and appends them to the Base64 string, resulting in a huge WebGL string, potentially very unique on each device\n // Since iOS supports webgl starting from version 8.1 and 8.1 runs on several graphics chips, the results may be different across ios devices, but we need to verify it.\n var result = []\n var vShaderTemplate = 'attribute vec2 attrVertex;varying vec2 varyinTexCoordinate;uniform vec2 uniformOffset;void main(){varyinTexCoordinate=attrVertex+uniformOffset;gl_Position=vec4(attrVertex,0,1);}'\n var fShaderTemplate = 'precision mediump float;varying vec2 varyinTexCoordinate;void main() {gl_FragColor=vec4(varyinTexCoordinate,0,1);}'\n var vertexPosBuffer = gl.createBuffer()\n gl.bindBuffer(gl.ARRAY_BUFFER, vertexPosBuffer)\n var vertices = new Float32Array([-0.2, -0.9, 0, 0.4, -0.26, 0, 0, 0.732134444, 0])\n gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW)\n vertexPosBuffer.itemSize = 3\n vertexPosBuffer.numItems = 3\n var program = gl.createProgram()\n var vshader = gl.createShader(gl.VERTEX_SHADER)\n gl.shaderSource(vshader, vShaderTemplate)\n gl.compileShader(vshader)\n var fshader = gl.createShader(gl.FRAGMENT_SHADER)\n gl.shaderSource(fshader, fShaderTemplate)\n gl.compileShader(fshader)\n gl.attachShader(program, vshader)\n gl.attachShader(program, fshader)\n gl.linkProgram(program)\n gl.useProgram(program)\n program.vertexPosAttrib = gl.getAttribLocation(program, 'attrVertex')\n program.offsetUniform = gl.getUniformLocation(program, 'uniformOffset')\n gl.enableVertexAttribArray(program.vertexPosArray)\n gl.vertexAttribPointer(program.vertexPosAttrib, vertexPosBuffer.itemSize, gl.FLOAT, !1, 0, 0)\n gl.uniform2f(program.offsetUniform, 1, 1)\n gl.drawArrays(gl.TRIANGLE_STRIP, 0, vertexPosBuffer.numItems)\n try {\n result.push(gl.canvas.toDataURL())\n } catch (e) {\n /* .toDataURL may be absent or broken (blocked by extension) */\n }\n result.push('extensions:' + (gl.getSupportedExtensions() || []).join(';'))\n result.push('webgl aliased line width range:' + fa2s(gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE)))\n result.push('webgl aliased point size range:' + fa2s(gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE)))\n result.push('webgl alpha bits:' + gl.getParameter(gl.ALPHA_BITS))\n result.push('webgl antialiasing:' + (gl.getContextAttributes().antialias ? 'yes' : 'no'))\n result.push('webgl blue bits:' + gl.getParameter(gl.BLUE_BITS))\n result.push('webgl depth bits:' + gl.getParameter(gl.DEPTH_BITS))\n result.push('webgl green bits:' + gl.getParameter(gl.GREEN_BITS))\n result.push('webgl max anisotropy:' + maxAnisotropy(gl))\n result.push('webgl max combined texture image units:' + gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS))\n result.push('webgl max cube map texture size:' + gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE))\n result.push('webgl max fragment uniform vectors:' + gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS))\n result.push('webgl max render buffer size:' + gl.getParameter(gl.MAX_RENDERBUFFER_SIZE))\n result.push('webgl max texture image units:' + gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS))\n result.push('webgl max texture size:' + gl.getParameter(gl.MAX_TEXTURE_SIZE))\n result.push('webgl max varying vectors:' + gl.getParameter(gl.MAX_VARYING_VECTORS))\n result.push('webgl max vertex attribs:' + gl.getParameter(gl.MAX_VERTEX_ATTRIBS))\n result.push('webgl max vertex texture image units:' + gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS))\n result.push('webgl max vertex uniform vectors:' + gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS))\n result.push('webgl max viewport dims:' + fa2s(gl.getParameter(gl.MAX_VIEWPORT_DIMS)))\n result.push('webgl red bits:' + gl.getParameter(gl.RED_BITS))\n result.push('webgl renderer:' + gl.getParameter(gl.RENDERER))\n result.push('webgl shading language version:' + gl.getParameter(gl.SHADING_LANGUAGE_VERSION))\n result.push('webgl stencil bits:' + gl.getParameter(gl.STENCIL_BITS))\n result.push('webgl vendor:' + gl.getParameter(gl.VENDOR))\n result.push('webgl version:' + gl.getParameter(gl.VERSION))\n\n try {\n // Add the unmasked vendor and unmasked renderer if the debug_renderer_info extension is available\n var extensionDebugRendererInfo = gl.getExtension('WEBGL_debug_renderer_info')\n if (extensionDebugRendererInfo) {\n result.push('webgl unmasked vendor:' + gl.getParameter(extensionDebugRendererInfo.UNMASKED_VENDOR_WEBGL))\n result.push('webgl unmasked renderer:' + gl.getParameter(extensionDebugRendererInfo.UNMASKED_RENDERER_WEBGL))\n }\n } catch (e) { /* squelch */ }\n\n if (!gl.getShaderPrecisionFormat) {\n return result\n }\n\n each(['FLOAT', 'INT'], function (numType) {\n each(['VERTEX', 'FRAGMENT'], function (shader) {\n each(['HIGH', 'MEDIUM', 'LOW'], function (numSize) {\n each(['precision', 'rangeMin', 'rangeMax'], function (key) {\n var format = gl.getShaderPrecisionFormat(gl[shader + '_SHADER'], gl[numSize + '_' + numType])[key]\n if (key !== 'precision') {\n key = 'precision ' + key\n }\n var line = ['webgl ', shader.toLowerCase(), ' shader ', numSize.toLowerCase(), ' ', numType.toLowerCase(), ' ', key, ':', format].join('')\n result.push(line)\n })\n })\n })\n })\n return result\n }\n var getWebglVendorAndRenderer = function () {\n /* This a subset of the WebGL fingerprint with a lot of entropy, while being reasonably browser-independent */\n try {\n var glContext = getWebglCanvas()\n var extensionDebugRendererInfo = glContext.getExtension('WEBGL_debug_renderer_info')\n return glContext.getParameter(extensionDebugRendererInfo.UNMASKED_VENDOR_WEBGL) + '~' + glContext.getParameter(extensionDebugRendererInfo.UNMASKED_RENDERER_WEBGL)\n } catch (e) {\n return null\n }\n }\n var getAdBlock = function () {\n var ads = document.createElement('div')\n ads.innerHTML = ' '\n ads.className = 'adsbox'\n var result = false\n try {\n // body may not exist, that's why we need try/catch\n document.body.appendChild(ads)\n result = document.getElementsByClassName('adsbox')[0].offsetHeight === 0\n document.body.removeChild(ads)\n } catch (e) {\n result = false\n }\n return result\n }\n var getHasLiedLanguages = function () {\n // We check if navigator.language is equal to the first language of navigator.languages\n if (typeof navigator.languages !== 'undefined') {\n try {\n var firstLanguages = navigator.languages[0].substr(0, 2)\n if (firstLanguages !== navigator.language.substr(0, 2)) {\n return true\n }\n } catch (err) {\n return true\n }\n }\n return false\n }\n var getHasLiedResolution = function () {\n return window.screen.width < window.screen.availWidth || window.screen.height < window.screen.availHeight\n }\n var getHasLiedOs = function () {\n var userAgent = navigator.userAgent.toLowerCase()\n var oscpu = navigator.oscpu\n var platform = navigator.platform.toLowerCase()\n var os\n // We extract the OS from the user agent (respect the order of the if else if statement)\n if (userAgent.indexOf('windows phone') >= 0) {\n os = 'Windows Phone'\n } else if (userAgent.indexOf('win') >= 0) {\n os = 'Windows'\n } else if (userAgent.indexOf('android') >= 0) {\n os = 'Android'\n } else if (userAgent.indexOf('linux') >= 0) {\n os = 'Linux'\n } else if (userAgent.indexOf('iphone') >= 0 || userAgent.indexOf('ipad') >= 0) {\n os = 'iOS'\n } else if (userAgent.indexOf('mac') >= 0) {\n os = 'Mac'\n } else {\n os = 'Other'\n }\n // We detect if the person uses a mobile device\n var mobileDevice = (('ontouchstart' in window) ||\n (navigator.maxTouchPoints > 0) ||\n (navigator.msMaxTouchPoints > 0))\n\n if (mobileDevice && os !== 'Windows Phone' && os !== 'Android' && os !== 'iOS' && os !== 'Other') {\n return true\n }\n\n // We compare oscpu with the OS extracted from the UA\n if (typeof oscpu !== 'undefined') {\n oscpu = oscpu.toLowerCase()\n if (oscpu.indexOf('win') >= 0 && os !== 'Windows' && os !== 'Windows Phone') {\n return true\n } else if (oscpu.indexOf('linux') >= 0 && os !== 'Linux' && os !== 'Android') {\n return true\n } else if (oscpu.indexOf('mac') >= 0 && os !== 'Mac' && os !== 'iOS') {\n return true\n } else if ((oscpu.indexOf('win') === -1 && oscpu.indexOf('linux') === -1 && oscpu.indexOf('mac') === -1) !== (os === 'Other')) {\n return true\n }\n }\n\n // We compare platform with the OS extracted from the UA\n if (platform.indexOf('win') >= 0 && os !== 'Windows' && os !== 'Windows Phone') {\n return true\n } else if ((platform.indexOf('linux') >= 0 || platform.indexOf('android') >= 0 || platform.indexOf('pike') >= 0) && os !== 'Linux' && os !== 'Android') {\n return true\n } else if ((platform.indexOf('mac') >= 0 || platform.indexOf('ipad') >= 0 || platform.indexOf('ipod') >= 0 || platform.indexOf('iphone') >= 0) && os !== 'Mac' && os !== 'iOS') {\n return true\n } else if ((platform.indexOf('win') === -1 && platform.indexOf('linux') === -1 && platform.indexOf('mac') === -1) !== (os === 'Other')) {\n return true\n }\n\n return typeof navigator.plugins === 'undefined' && os !== 'Windows' && os !== 'Windows Phone'\n }\n var getHasLiedBrowser = function () {\n var userAgent = navigator.userAgent.toLowerCase()\n var productSub = navigator.productSub\n\n // we extract the browser from the user agent (respect the order of the tests)\n var browser\n if (userAgent.indexOf('firefox') >= 0) {\n browser = 'Firefox'\n } else if (userAgent.indexOf('opera') >= 0 || userAgent.indexOf('opr') >= 0) {\n browser = 'Opera'\n } else if (userAgent.indexOf('chrome') >= 0) {\n browser = 'Chrome'\n } else if (userAgent.indexOf('safari') >= 0) {\n browser = 'Safari'\n } else if (userAgent.indexOf('trident') >= 0) {\n browser = 'Internet Explorer'\n } else {\n browser = 'Other'\n }\n\n if ((browser === 'Chrome' || browser === 'Safari' || browser === 'Opera') && productSub !== '20030107') {\n return true\n }\n\n // eslint-disable-next-line no-eval\n var tempRes = eval.toString().length\n if (tempRes === 37 && browser !== 'Safari' && browser !== 'Firefox' && browser !== 'Other') {\n return true\n } else if (tempRes === 39 && browser !== 'Internet Explorer' && browser !== 'Other') {\n return true\n } else if (tempRes === 33 && browser !== 'Chrome' && browser !== 'Opera' && browser !== 'Other') {\n return true\n }\n\n // We create an error to see how it is handled\n var errFirefox\n try {\n // eslint-disable-next-line no-throw-literal\n throw 'a'\n } catch (err) {\n try {\n err.toSource()\n errFirefox = true\n } catch (errOfErr) {\n errFirefox = false\n }\n }\n return errFirefox && browser !== 'Firefox' && browser !== 'Other'\n }\n var isCanvasSupported = function () {\n var elem = document.createElement('canvas')\n return !!(elem.getContext && elem.getContext('2d'))\n }\n var isWebGlSupported = function () {\n // code taken from Modernizr\n if (!isCanvasSupported()) {\n return false\n }\n\n var glContext = getWebglCanvas()\n return !!window.WebGLRenderingContext && !!glContext\n }\n var isIE = function () {\n if (navigator.appName === 'Microsoft Internet Explorer') {\n return true\n } else if (navigator.appName === 'Netscape' && /Trident/.test(navigator.userAgent)) { // IE 11\n return true\n }\n return false\n }\n var hasSwfObjectLoaded = function () {\n return typeof window.swfobject !== 'undefined'\n }\n var hasMinFlashInstalled = function () {\n return window.swfobject.hasFlashPlayerVersion('9.0.0')\n }\n var addFlashDivNode = function (options) {\n var node = document.createElement('div')\n node.setAttribute('id', options.fonts.swfContainerId)\n document.body.appendChild(node)\n }\n var loadSwfAndDetectFonts = function (done, options) {\n var hiddenCallback = '___fp_swf_loaded'\n window[hiddenCallback] = function (fonts) {\n done(fonts)\n }\n var id = options.fonts.swfContainerId\n addFlashDivNode()\n var flashvars = { onReady: hiddenCallback }\n var flashparams = { allowScriptAccess: 'always', menu: 'false' }\n window.swfobject.embedSWF(options.fonts.swfPath, id, '1', '1', '9.0.0', false, flashvars, flashparams, {})\n }\n var getWebglCanvas = function () {\n var canvas = document.createElement('canvas')\n var gl = null\n try {\n gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl')\n } catch (e) { /* squelch */ }\n if (!gl) { gl = null }\n return gl\n }\n\n var components = [\n {key: 'userAgent', getData: UserAgent},\n {key: 'language', getData: languageKey},\n {key: 'colorDepth', getData: colorDepthKey},\n {key: 'deviceMemory', getData: deviceMemoryKey},\n {key: 'pixelRatio', getData: pixelRatioKey},\n {key: 'hardwareConcurrency', getData: hardwareConcurrencyKey},\n {key: 'screenResolution', getData: screenResolutionKey},\n {key: 'availableScreenResolution', getData: availableScreenResolutionKey},\n {key: 'timezoneOffset', getData: timezoneOffset},\n {key: 'timezone', getData: timezone},\n {key: 'sessionStorage', getData: sessionStorageKey},\n {key: 'localStorage', getData: localStorageKey},\n {key: 'indexedDb', getData: indexedDbKey},\n {key: 'addBehavior', getData: addBehaviorKey},\n {key: 'openDatabase', getData: openDatabaseKey},\n {key: 'cpuClass', getData: cpuClassKey},\n {key: 'platform', getData: platformKey},\n {key: 'doNotTrack', getData: doNotTrackKey},\n {key: 'plugins', getData: pluginsComponent},\n {key: 'canvas', getData: canvasKey},\n {key: 'webgl', getData: webglKey},\n {key: 'webglVendorAndRenderer', getData: webglVendorAndRendererKey},\n {key: 'adBlock', getData: adBlockKey},\n {key: 'hasLiedLanguages', getData: hasLiedLanguagesKey},\n {key: 'hasLiedResolution', getData: hasLiedResolutionKey},\n {key: 'hasLiedOs', getData: hasLiedOsKey},\n {key: 'hasLiedBrowser', getData: hasLiedBrowserKey},\n {key: 'touchSupport', getData: touchSupportKey},\n {key: 'fonts', getData: jsFontsKey, pauseBefore: true},\n {key: 'fontsFlash', getData: flashFontsKey, pauseBefore: true},\n {key: 'audio', getData: audioKey},\n {key: 'enumerateDevices', getData: enumerateDevicesKey}\n ]\n\n var Fingerprint2 = function (options) {\n throw new Error(\"'new Fingerprint()' is deprecated, see https://github.com/Valve/fingerprintjs2#upgrade-guide-from-182-to-200\")\n }\n\n Fingerprint2.get = function (options, callback) {\n if (!callback) {\n callback = options\n options = {}\n } else if (!options) {\n options = {}\n }\n extendSoft(options, defaultOptions)\n options.components = options.extraComponents.concat(components)\n\n var keys = {\n data: [],\n addPreprocessedComponent: function (key, value) {\n if (typeof options.preprocessor === 'function') {\n value = options.preprocessor(key, value)\n }\n keys.data.push({key: key, value: value})\n }\n }\n\n var i = -1\n var chainComponents = function (alreadyWaited) {\n i += 1\n if (i >= options.components.length) { // on finish\n callback(keys.data)\n return\n }\n var component = options.components[i]\n\n if (options.excludes[component.key]) {\n chainComponents(false) // skip\n return\n }\n\n if (!alreadyWaited && component.pauseBefore) {\n i -= 1\n setTimeout(function () {\n chainComponents(true)\n }, 1)\n return\n }\n\n try {\n component.getData(function (value) {\n keys.addPreprocessedComponent(component.key, value)\n chainComponents(false)\n }, options)\n } catch (error) {\n // main body error\n keys.addPreprocessedComponent(component.key, String(error))\n chainComponents(false)\n }\n }\n\n chainComponents(false)\n }\n\n Fingerprint2.getPromise = function (options) {\n return new Promise(function (resolve, reject) {\n Fingerprint2.get(options, resolve)\n })\n }\n\n Fingerprint2.getV18 = function (options, callback) {\n if (callback == null) {\n callback = options\n options = {}\n }\n return Fingerprint2.get(options, function (components) {\n var newComponents = []\n for (var i = 0; i < components.length; i++) {\n var component = components[i]\n if (component.value === (options.NOT_AVAILABLE || 'not available')) {\n newComponents.push({key: component.key, value: 'unknown'})\n } else if (component.key === 'plugins') {\n newComponents.push({key: 'plugins',\n value: map(component.value, function (p) {\n var mimeTypes = map(p[2], function (mt) {\n if (mt.join) { return mt.join('~') }\n return mt\n }).join(',')\n return [p[0], p[1], mimeTypes].join('::')\n })})\n } else if (['canvas', 'webgl'].indexOf(component.key) !== -1) {\n newComponents.push({key: component.key, value: component.value.join('~')})\n } else if (['sessionStorage', 'localStorage', 'indexedDb', 'addBehavior', 'openDatabase'].indexOf(component.key) !== -1) {\n if (component.value) {\n newComponents.push({key: component.key, value: 1})\n } else {\n // skip\n continue\n }\n } else {\n if (component.value) {\n newComponents.push(component.value.join ? {key: component.key, value: component.value.join(';')} : component)\n } else {\n newComponents.push({key: component.key, value: component.value})\n }\n }\n }\n var murmur = x64hash128(map(newComponents, function (component) { return component.value }).join('~~~'), 31)\n callback(murmur, newComponents)\n })\n }\n\n Fingerprint2.x64hash128 = x64hash128\n Fingerprint2.VERSION = '2.0.0'\n return Fingerprint2\n})\n","window.Fingerprint2_new = require('fingerprintjs2');\n"]} \ No newline at end of file diff --git a/static/fetch_whorls.js b/static/fetch_whorls.js index 5f80d3d..3dc4dd3 100644 --- a/static/fetch_whorls.js +++ b/static/fetch_whorls.js @@ -76,7 +76,7 @@ function ieAcrobatVersion() { } } -function get_fonts(fp, cb) { +function get_fonts(js_fonts, cb) { // Try flash first var fonts = ""; var obj = document.getElementById("flashfontshelper"); @@ -96,11 +96,9 @@ function get_fonts(fp, cb) { } catch (ex) {} } if ("" == fonts){ - fp.fontsKey([], function(keys){ - cb(keys[0]['value'].join(", ") + " (via javascript)"); - }); + return js_fonts.join(", ") + " (via javascript)"; } else { - cb(fonts); + return fonts; } } @@ -148,8 +146,19 @@ function test_ie_userdata(){ } } -function get_touch_support(fp){ - var touch_support = fp.getTouchSupport(); +function test_open_database(){ + return ", openDatabase: " + (!!window.openDatabase); +} + +function test_indexed_db(){ + try { + return ", indexed db: " + (!!window.indexedDB); + } catch (e) { + return ", indexed db: true"; + } +} + +function get_touch_support(touch_support){ var touch_support_str = "" touch_support_str += "Max touchpoints: " + String(touch_support[0]); touch_support_str += "; TouchEvent supported: " + String(touch_support[1]); @@ -219,49 +228,118 @@ function fetch_client_whorls(){ whorls_v1['video'] = "permission denied"; } + whorls_v1['language'] = navigator.language; + whorls_v1['platform'] = navigator.platform; + + let whorls_v2 = JSON.parse(JSON.stringify(whorls_v1)); + whorls_v1['supercookies'] = test_dom_storage() + test_ie_userdata(); - var fp = new Fingerprint2(); - try { - let canvas_hash_1 = fp.x64hash128(fp.getCanvasFp()); - let canvas_hash_2 = fp.x64hash128(fp.getCanvasFp()); - if(canvas_hash_1 == canvas_hash_2){ - whorls_v1['canvas_hash'] = canvas_hash_1; - } else { - whorls_v1['canvas_hash'] = "randomized"; + whorls_v2['supercookies_v2'] = test_dom_storage() + test_ie_userdata() + test_open_database() + test_indexed_db(); + whorls_v2['cpu_class'] = navigator.cpuClass || "N/A"; + whorls_v2['hardware_concurrency'] = navigator.hardwareConcurrency || "N/A"; + whorls_v2['device_memory'] = navigator.deviceMemory || "N/A"; + + let post_idle_callback = function(components, components_second_run){ + let components_hash = {}; + let components_second_run_hash = {}; + + for(component of components){ + components_hash[component.key] = component.value; } - } catch(ex) { - whorls_v1['canvas_hash'] = "undetermined"; - } - try { - let webgl_hash_1 = fp.x64hash128(fp.getWebglFp()); - let webgl_hash_2 = fp.x64hash128(fp.getWebglFp()); - if(webgl_hash_1 == webgl_hash_2){ - whorls_v1['webgl_hash'] = webgl_hash_1; - } else { - whorls_v1['webgl_hash'] = "randomized"; + for(component of components_second_run){ + components_second_run_hash[component.key] = component.value; + } + + try { + let canvas_hash_v2_1 = Fingerprint2_new.x64hash128(JSON.stringify(components_hash['canvas']), 31); + let canvas_hash_v2_2 = Fingerprint2_new.x64hash128(JSON.stringify(components_second_run_hash['canvas']), 31); + if(canvas_hash_v2_1 == canvas_hash_v2_2){ + whorls_v2['canvas_hash_v2'] = canvas_hash_v2_1; + } else { + whorls_v2['canvas_hash_v2'] = "randomized"; + } + } catch(ex) { + whorls_v2['canvas_hash_v2'] = "undetermined"; + } + + try { + let webgl_hash_v2_1 = Fingerprint2_new.x64hash128(JSON.stringify(components_hash['webgl']), 31); + let webgl_hash_v2_2 = Fingerprint2_new.x64hash128(JSON.stringify(components_second_run_hash['webgl']), 31); + if(webgl_hash_v2_1 == webgl_hash_v2_2){ + whorls_v2['webgl_hash_v2'] = webgl_hash_v2_1; + } else { + whorls_v2['webgl_hash_v2'] = "randomized"; + } + } catch(ex) { + whorls_v2['webgl_hash_v2'] = "undetermined"; + } + + whorls_v2['touch_support'] = get_touch_support(components_hash['touchSupport']); + whorls_v2['timezone_string'] = components_hash['timezone']; + whorls_v2['ad_block'] = components_hash['adBlock']; + whorls_v2['audio'] = components_hash['audio']; + whorls_v2['webgl_vendor_renderer'] = components_hash['webglVendorAndRenderer']; + + var fp = new Fingerprint2(); + + try{ + let canvas_hash_1 = fp.x64hash128(fp.getCanvasFp()); + let canvas_hash_2 = fp.x64hash128(fp.getCanvasFp()); + if(canvas_hash_1 == canvas_hash_2){ + whorls_v1['canvas_hash'] = canvas_hash_1; + } else { + whorls_v1['canvas_hash'] = "randomized"; + } + } catch(ex) { + whorls_v1['canvas_hash'] = "undetermined"; } - } catch(ex) { - whorls_v1['webgl_hash'] = "undetermined"; - } - whorls_v1['language'] = navigator.language; - whorls_v1['platform'] = navigator.platform; - whorls_v1['touch_support'] = get_touch_support(fp); - get_fonts(fp, function(fonts){ - whorls_v1['fonts'] = fonts; + try{ + let webgl_hash_1 = fp.x64hash128(fp.getWebglFp()); + let webgl_hash_2 = fp.x64hash128(fp.getWebglFp()); + if(webgl_hash_1 == webgl_hash_2){ + whorls_v1['webgl_hash'] = webgl_hash_1; + } else { + whorls_v1['webgl_hash'] = "randomized"; + } + } catch(ex) { + whorls_v1['webgl_hash'] = "undetermined"; + } + + whorls_v1['touch_support'] = get_touch_support(fp.getTouchSupport()); - // send to server for logging / calculating - // and fetch results + fp.fontsKey([], function(fonts){ + whorls_v1['fonts'] = get_fonts(fonts[0]['value']); + whorls_v2['fonts_v2'] = get_fonts(components_hash['fonts']); - $.post({ - url: "/ajax-fingerprint", - data: JSON.stringify({v1: whorls_v1}), - contentType: 'application/json', - success: callback, - dataType: "html" + // send to server for logging / calculating + // and fetch results + + $.post({ + url: "/ajax-fingerprint", + data: JSON.stringify({v1: whorls_v1, v2: whorls_v2}), + contentType: 'application/json', + success: callback, + dataType: "html" + }); }); - }); + } + + let fp2_get_components = function(){ + Fingerprint2_new.get(function(components){ + Fingerprint2_new.get(function(components_second_run){ + post_idle_callback(components, components_second_run); + }); + }); + }; + + if (window.requestIdleCallback) { + requestIdleCallback(fp2_get_components); + } else { + setTimeout(fp2_get_components, 500); + } + }; diff --git a/templates/dist/fp2.html b/templates/dist/fp2.html new file mode 100644 index 0000000..5180fa4 --- /dev/null +++ b/templates/dist/fp2.html @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/templates/fingerprint_js.html b/templates/fingerprint_js.html index ba3b9b7..e9487a9 100644 --- a/templates/fingerprint_js.html +++ b/templates/fingerprint_js.html @@ -4,6 +4,8 @@ + {% include 'dist/fp2.html' %} + {% endblock %}