unique-fingerprintjs
Version:
A library to generate browser and OS-based fingerprints using hashing
215 lines (214 loc) • 9.66 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateFingerprint = void 0;
var sortObjectKeys = function (obj) {
try {
if (typeof obj !== 'object' || obj === null)
return obj;
if (Array.isArray(obj))
return obj.map(sortObjectKeys);
return Object.keys(obj).sort().reduce(function (sorted, key) {
sorted[key] = sortObjectKeys(obj[key]);
return sorted;
}, {});
}
catch (error) {
console.warn('Error sorting object keys:', error);
return obj;
}
};
var getScreenInfo = function () {
try {
return typeof screen !== 'undefined' ? {
width: screen.width,
height: screen.height,
availWidth: screen.availWidth,
availHeight: screen.availHeight,
colorDepth: screen.colorDepth
} : null;
}
catch (error) {
console.warn('Error getting screen info:', error);
return null;
}
};
var getNavigatorInfo = function () {
var _a;
try {
if (typeof navigator === 'undefined')
return null;
return {
userAgent: navigator.userAgent || "Unknown",
language: navigator.language || "Unknown",
hardwareConcurrency: navigator.hardwareConcurrency || 0,
deviceMemory: navigator.deviceMemory || null,
maxTouchPoints: navigator.maxTouchPoints || 0,
platform: ((_a = navigator.userAgentData) === null || _a === void 0 ? void 0 : _a.platform) || navigator.platform || "Unknown"
};
}
catch (error) {
console.warn('Error getting navigator info:', error);
return null;
}
};
var getTimeZone = function () {
try {
return Intl.DateTimeFormat().resolvedOptions().timeZone;
}
catch (error) {
console.warn('Error getting time zone:', error);
return "Unknown";
}
};
var getCanvasFingerprint = function () {
try {
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
if (!ctx)
return null;
ctx.fillStyle = 'rgb(255,0,255)';
ctx.fillRect(0, 0, 2, 2);
ctx.fillStyle = 'rgb(0,255,255)';
ctx.fillRect(0, 0, 1, 1);
var imageData = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
return Array.from(imageData).slice(0, 100).join('');
}
catch (error) {
console.warn('Error getting canvas fingerprint:', error);
return null;
}
};
var getWebGLInfo = function () {
try {
var canvas = document.createElement('canvas');
var gl = canvas.getContext('webgl')
|| canvas.getContext('experimental-webgl');
if (!gl)
return null;
var debugInfo = gl.getExtension('WEBGL_debug_renderer_info');
return debugInfo ? {
vendor: gl.getParameter(debugInfo.UNMASKED_VENDOR_WEBGL),
renderer: gl.getParameter(debugInfo.UNMASKED_RENDERER_WEBGL)
} : null;
}
catch (error) {
console.warn('Error getting WebGL info:', error);
return null;
}
};
var detectOS = function () {
try {
var ua = navigator.userAgent;
if (/windows phone/i.test(ua))
return 'Windows Phone';
if (/win(dows|64|32)/i.test(ua))
return 'Windows';
if (/macintosh|mac os x/i.test(ua))
return 'MacOS';
if (/android/i.test(ua))
return 'Android';
if (/linux/i.test(ua))
return 'Linux';
if (/ipad|iphone|ipod/i.test(ua))
return 'iOS';
return 'Unknown OS';
}
catch (error) {
console.warn('Error detecting OS:', error);
return 'Unknown OS';
}
};
var generateFingerprint = function () {
var args_1 = [];
for (var _i = 0; _i < arguments.length; _i++) {
args_1[_i] = arguments[_i];
}
return __awaiter(void 0, __spreadArray([], args_1, true), void 0, function (options) {
var components, _a, useBrowserInfo, _b, useOSInfo, _c, useCanvas, _d, useWebGL, _e, usePlugins, _f, customData, sortedData, dataString, encoder, dataBuffer, hashBuffer, hashArray, error_1;
var _g;
if (options === void 0) { options = {}; }
return __generator(this, function (_h) {
switch (_h.label) {
case 0:
_h.trys.push([0, 2, , 3]);
components = {};
_a = options.useBrowserInfo, useBrowserInfo = _a === void 0 ? true : _a, _b = options.useOSInfo, useOSInfo = _b === void 0 ? true : _b, _c = options.useCanvas, useCanvas = _c === void 0 ? true : _c, _d = options.useWebGL, useWebGL = _d === void 0 ? true : _d, _e = options.usePlugins, usePlugins = _e === void 0 ? true : _e, _f = options.customData, customData = _f === void 0 ? {} : _f;
if (useBrowserInfo) {
components.screen = getScreenInfo();
components.navigator = getNavigatorInfo();
components.timeZone = getTimeZone();
if (useCanvas)
components.canvas = getCanvasFingerprint();
if (useWebGL)
components.webGL = getWebGLInfo();
if (usePlugins)
components.plugins = ((_g = getNavigatorInfo()) === null || _g === void 0 ? void 0 : _g.plugins) || null;
}
if (useOSInfo)
components.os = detectOS();
if (Object.keys(customData).length > 0)
components.customData = customData;
sortedData = sortObjectKeys(components);
dataString = JSON.stringify(sortedData);
encoder = new TextEncoder();
dataBuffer = encoder.encode(dataString);
return [4 /*yield*/, crypto.subtle.digest('SHA-256', dataBuffer)];
case 1:
hashBuffer = _h.sent();
hashArray = Array.from(new Uint8Array(hashBuffer));
return [2 /*return*/, hashArray.map(function (b) { return b.toString(16).padStart(2, '0'); }).join('')];
case 2:
error_1 = _h.sent();
console.error('Error generating fingerprint:', error_1);
return [2 /*return*/, 'ErrorGeneratingFingerprint'];
case 3: return [2 /*return*/];
}
});
});
};
exports.generateFingerprint = generateFingerprint;