playwright-stealth.js

const pw = require('playwright');
const UserAgent = require('user-agents');
const uuid = require('uuid');
const tmp = require('tmp-promise');

const UINT32_MAX = (2 ** 32) - 1;
const WEBGL_RENDERERS = ['ANGLE (NVIDIA Quadro 2000M Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (NVIDIA Quadro K420 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA Quadro 2000M Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA Quadro K2000M Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (Intel(R) HD Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Family Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 3800 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics 4000 Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (Intel(R) HD Graphics 4000 Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (AMD Radeon R9 200 Series Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (Intel(R) HD Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Family Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Family Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics 4000 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics 3000 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Mobile Intel(R) 4 Series Express Chipset Family Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G33/G31 Express Chipset Family Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (Intel(R) Graphics Media Accelerator 3150 Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (Intel(R) G41 Express Chipset Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 6150SE nForce 430 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics 4000)', 'ANGLE (Mobile Intel(R) 965 Express Chipset Family Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Family)', 'ANGLE (NVIDIA GeForce GTX 760 Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (NVIDIA GeForce GTX 760 Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (NVIDIA GeForce GTX 760 Direct3D11 vs_5_0 ps_5_0)', 'ANGLE (AMD Radeon HD 6310 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Graphics Media Accelerator 3600 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G33/G31 Express Chipset Family Direct3D9 vs_0_0 ps_2_0)', 'ANGLE (AMD Radeon HD 6320 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G33/G31 Express Chipset Family (Microsoft Corporation - WDDM 1.0) Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (Intel(R) G41 Express Chipset)', 'ANGLE (ATI Mobility Radeon HD 5470 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q45/Q43 Express Chipset Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 310M Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G41 Express Chipset Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (Mobile Intel(R) 45 Express Chipset Family (Microsoft Corporation - WDDM 1.1) Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 440 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 4300/4500 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7310 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics)', 'ANGLE (Intel(R) 4 Series Internal Chipset Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon(TM) HD 6480G Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 3200 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7800 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G41 Express Chipset (Microsoft Corporation - WDDM 1.1) Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 210 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 630 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7340 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) 82945G Express Chipset Family Direct3D9 vs_0_0 ps_2_0)', 'ANGLE (NVIDIA GeForce GT 430 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 7025 / NVIDIA nForce 630a Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q35 Express Chipset Family Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (Intel(R) HD Graphics 4600 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7520G Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD 760G (Microsoft Corporation WDDM 1.1) Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 220 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 9500 GT Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Family Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Graphics Media Accelerator HD Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 9800 GT Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q965/Q963 Express Chipset Family (Microsoft Corporation - WDDM 1.0) Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (NVIDIA GeForce GTX 550 Ti Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q965/Q963 Express Chipset Family Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (AMD M880G with ATI Mobility Radeon HD 4250 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GTX 650 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Mobility Radeon HD 5650 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 4200 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7700 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G33/G31 Express Chipset Family)', 'ANGLE (Intel(R) 82945G Express Chipset Family Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (SiS Mirage 3 Graphics Direct3D9Ex vs_2_0 ps_2_0)', 'ANGLE (NVIDIA GeForce GT 430)', 'ANGLE (AMD RADEON HD 6450 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon 3000 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) 4 Series Internal Chipset Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q35 Express Chipset Family (Microsoft Corporation - WDDM 1.0) Direct3D9Ex vs_0_0 ps_2_0)', 'ANGLE (NVIDIA GeForce GT 220 Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 7640G Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD 760G Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 6450 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 640 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 9200 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 610 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 6290 Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Mobility Radeon HD 4250 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 8600 GT Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 5570 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 6800 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) G45/G43 Express Chipset Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 4600 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA Quadro NVS 160M Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics 3000)', 'ANGLE (NVIDIA GeForce G100)', 'ANGLE (AMD Radeon HD 8610G + 8500M Dual Graphics Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Mobile Intel(R) 4 Series Express Chipset Family Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 7025 / NVIDIA nForce 630a (Microsoft Corporation - WDDM) Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) Q965/Q963 Express Chipset Family Direct3D9 vs_0_0 ps_2_0)', 'ANGLE (AMD RADEON HD 6350 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (ATI Radeon HD 5450 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce 9500 GT)', 'ANGLE (AMD Radeon HD 6500M/5600/5700 Series Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Mobile Intel(R) 965 Express Chipset Family)', 'ANGLE (NVIDIA GeForce 8400 GS Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (Intel(R) HD Graphics Direct3D9 vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GTX 560 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 620 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GTX 660 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon(TM) HD 6520G Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA GeForce GT 240 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (AMD Radeon HD 8240 Direct3D9Ex vs_3_0 ps_3_0)', 'ANGLE (NVIDIA Quadro NVS 140M)', 'ANGLE (Intel(R) Q35 Express Chipset Family Direct3D9 vs_0_0 ps_2_0)'];

function getBrowserfingerprint(buid, emulateFlag = 'desktop') {
    const generateUserAgent = new UserAgent({
      deviceCategory: emulateFlag,
    });
    const fingerprints = Array(1000).fill().map(() => generateUserAgent());

    const WEBGL_PARAMETER = {
      WEBGL_VENDOR: 'Google Inc.',
      WEBGL_RENDERER: WEBGL_RENDERERS[Math.floor(Math.random() * WEBGL_RENDERERS.length)],
    };

    const fingerprint = Object.assign(fingerprints[Math.floor(Math.random() * fingerprints.length)].data, WEBGL_PARAMETER);

    const buidHash = crypto.createHash('sha512').update(buid).digest();
    fingerprint.BUID = buidHash.toString('base64');

    fingerprint.random = (index) => {
      const idx = index % 124;
      if (idx < 62) return buidHash.readUInt32BE(idx) / UINT32_MAX;
      return buidHash.readUInt32LE(idx - 62) / UINT32_MAX;
    };
    return fingerprint;
}


async function cloak(page, fingerprint, {
    minWidth = 1280,
    minHeight = 1024,
  } = {}) {
    console.debug(`fingerprint-webgl-vendor-${fingerprint.WEBGL_VENDOR}`);
    console.debug(`fingerprint-webgl-renderer-${fingerprint.WEBGL_RENDERER}`);
    console.debug(`fingerprint-ua-ua-${fingerprint.userAgent}`);
    console.debug(`fingerprint-ua-platform-${fingerprint.platform}`);
    console.debug(`fingerprint-deviceCategory-${fingerprint.deviceCategory}`);
    console.debug(`fingerprint-viewportHeight-${fingerprint.viewportHeight}`);
    console.debug(`fingerprint-viewportWidth-${fingerprint.viewportWidth}`);


    const LOG_OVERRIDE = true;

    if (LOG_OVERRIDE) {
      await page.on('console', (msg) => {
        if (msg && msg.text) {
          if (typeof msg.text === 'function') {
            debugConsole('PAGE LOG:', msg.text());
          } else {
            debugConsole('PAGE LOG:', msg.text);
          }
        } else {
          debugConsole('PAGE LOG:', msg);
        }
      });
      await page.on('pageerror', (err) => debug('PAGE ERR:', err));
    }

    const DIMENSION = {
      isLandscape: true,
      width: minWidth > fingerprint.viewportWidth ? minWidth : (parseInt(minWidth + (fingerprint.random(0)
        * (fingerprint.screenWidth - minWidth)), 10)),
      height: minHeight > fingerprint.viewportHeight ? minHeight : (parseInt(minHeight + (fingerprint.random(1)
        * (fingerprint.screenHeight - minHeight)), 10)),
    };

    await page.addInitScript(async (fingerprint, LO, D) => {
      const logOverride = (key, value) => {
        if (!LO) return value;
        console.warn(`Overriden: ${key}=${value}`);
        return value;
      };

      function buildPlugin(spec) {
        const plugin = spec;
        plugin.length = spec.mimeTypes.length;
        spec.mimeTypes.forEach((m, i) => {
          plugin[i] = m;
          Object.assign(m, {
            enabledPlugin: plugin,
          });
        });
        delete spec.mimeTypes;
        return plugin;
      }

      const plugins = {
        length: 4,
        0: buildPlugin({
          mimeTypes: [{
            type: 'application/x-google-chrome-pdf',
            suffixes: 'pdf',
            description: 'Portable Document Format',
            enabledPlugin: true,
          }],
          name: 'Chrome PDF Plugin',
          description: 'Portable Document Format',
          filename: 'internal-pdf-viewer',
        }),
        1: buildPlugin({
          mimeTypes: [{
            type: 'application/pdf',
            suffixes: 'pdf',
            description: '',
            extensions: 'pdf',
            enabledPlugin: true,
          }],
          name: 'Chrome PDF Viewer',
          description: '',
          filename: 'mhjfbmdgcfjbbpaeojofohoefgiehjai',
        }),
        2: buildPlugin({
          mimeTypes: [{
              type: 'application/x-nacl',
              suffixes: '',
              description: 'Native Client Executable',
              enabledPlugin: true,
            }, {
              type: 'application/x-pnacl',
              suffixes: '',
              description: 'Portable Native Client Executable',
              enabledPlugin: true,
            },
            {
              type: 'text/html',
              suffixes: '',
              description: '',
              enabledPlugin: true,
            },
            {
              type: 'application/x-ppapi-vysor',
              suffixes: '',
              description: '',
              enabledPlugin: true,
            },
            {
              type: 'application/x-ppapi-vysor-audio',
              suffixes: '',
              description: '',
              enabledPlugin: true,
            },
          ],
          name: 'Native Client',
          description: '',
          filename: fingerprint.platform === 'Win32' ? 'pepflashplayer.dll' : 'internal-nacl-plugin',
        }),
        3: buildPlugin({
          mimeTypes: [{
            type: 'application/x-ppapi-widevine-cdm',
            suffixes: '',
            description: 'Widevine Content Decryption Module',
            enabledPlugin: true,
          }],
          name: 'Widevine Content Decryption Module',
          description: 'Enables Widevine licenses for playback of HTML audio/video content. (version: 1.4.9.1070)',
          filename: fingerprint.platform === 'Win32' ? 'widevinecdmadapter.dll' : 'widevinecdmadapter.plugin',
        }),
      };

      window.screen.__defineGetter__('width', () => logOverride('width', fingerprint.screenWidth));
      window.screen.__defineGetter__('availWidth', () => logOverride('availWidth', fingerprint.screenWidth));
      window.__defineGetter__('innerWidth', () => logOverride('innerWidth', D.width));
      window.__defineGetter__('outerWidth', () => logOverride('outerWidth', D.width));
      window.screen.__defineGetter__('height', () => logOverride('height', fingerprint.screenHeight));
      window.screen.__defineGetter__('availHeight', () => logOverride('availHeight', fingerprint.screenHeight));
      window.__defineGetter__('innerHeight', () => logOverride('innerHeight', D.height - 74));
      window.__defineGetter__('outerHeight', () => logOverride('outerHeight', D.height));

      window.navigator.__defineGetter__('userAgent', () => logOverride('userAgent', fingerprint.userAgent));
      window.navigator.__defineGetter__('platform', () => logOverride('platform', fingerprint.platform));
      window.navigator.__defineGetter__('appName', () => logOverride('appName', fingerprint.appName));
      window.navigator.__defineGetter__('appVersion', () => logOverride('appVersion', fingerprint.userAgent.substring(fingerprint.userAgent.indexOf('/') + 1, fingerprint.userAgent.length)));

      const newProto = navigator.__proto__;
      delete newProto.webdriver;
      navigator.__proto__ = newProto

      window.navigator.__defineGetter__('languages', () => logOverride('languages', ['en-US,en']));
      window.navigator.__defineGetter__('getUserMedia', () => logOverride('getUserMedia', undefined));
      window.navigator.__defineGetter__('webkitGetUserMedia', () => logOverride('webkitGetUserMedia', undefined));

      // reject webRTC fingerprinting
      window.__defineGetter__('MediaStreamTrack', () => logOverride('MediaStreamTrack', undefined));
      window.__defineGetter__('RTCPeerConnection', () => logOverride('RTCPeerConnection', undefined));
      window.__defineGetter__('RTCSessionDescription', () => logOverride('RTCSessionDescription', undefined));
      window.__defineGetter__('webkitMediaStreamTrack', () => logOverride('webkitMediaStreamTrack', undefined));
      window.__defineGetter__('webkitRTCPeerConnection', () => logOverride('webkitRTCPeerConnection', undefined));
      window.__defineGetter__('webkitRTCSessionDescription', () => logOverride('webkitRTCSessionDescription', undefined));
      window.navigator.__defineGetter__('getUserMedia', () => logOverride('getUserMedia', undefined));
      window.navigator.__defineGetter__('webkitGetUserMedia', () => logOverride('webkitGetUserMedia', undefined));

      window.navigator.__defineGetter__('plugins', () => logOverride('plugins', plugins));


      // handle canvas
      class WebGLRenderingContext {
        constructor(cvs) {
          this.extension = {
            UNMASKED_VENDOR_WEBGL: 37445,
            UNMASKED_RENDERER_WEBGL: 37446,
          };
          this.canvas = cvs;
          this.parameter = '';
          this.viewportWidth = cvs.width;
          this.viewportHeight = cvs.height;
          this.supportedExtensions = ['ANGLE_instanced_arrays', 'EXT_blend_minmax', 'EXT_color_buffer_half_float', 'EXT_frag_depth', 'EXT_shader_texture_lod', 'EXT_texture_filter_anisotropic', 'WEBKIT_EXT_texture_filter_anisotropic', 'EXT_sRGB', 'OES_element_index_uint', 'OES_standard_derivatives', 'OES_texture_float', 'OES_texture_float_linear', 'OES_texture_half_float', 'OES_texture_half_float_linear', 'OES_vertex_array_object', 'WEBGL_color_buffer_float', 'WEBGL_compressed_texture_s3tc', 'WEBKIT_WEBGL_compressed_texture_s3tc', 'WEBGL_compressed_texture_s3tc_srgb', 'WEBGL_debug_renderer_info', 'WEBGL_debug_shaders', 'WEBGL_depth_texture', 'WEBKIT_WEBGL_depth_texture', 'WEBGL_draw_buffers', 'WEBGL_lose_context', 'WEBKIT_WEBGL_lose_context'];
        }

        getExtension() {
          return this.extension;
        }

        getParameter() {
          return this.extension;
        }

        getSupportedExtensions() {
          return this.supportedExtensions;
        }
      }

      const canvas = document.createElement('canvas');
      const canvasProto = Object.getPrototypeOf(canvas);
      const origGetContext = canvasProto.getContext;
      canvasProto.getContext = function getContext(...args) {
        const context = origGetContext && (origGetContext.call(this, ...args) || origGetContext.call(this, args[0]));
        if (!context) {
          logOverride('canvas.getContext', 'new WebGLRenderingContext()');
          return new WebGLRenderingContext(this);
        }
        return context;
      };

      canvasProto.getContext.toString = canvasProto.getContext.toString();

      function hookPrototypeMethods(prefix, object) {
        if (!object) return;
        const originals = {};
        const prototype = Object.getPrototypeOf(object);
        Object
          .getOwnPropertyNames(prototype)
          .filter((n) => {
            try {
              return typeof prototype[n] === 'function';
            } catch (error) {
              return false;
            }
          })
          .forEach((n) => {
            originals[n] = prototype[n];
            prototype[n] = function fn(...args) {
              if (prefix === '2d' && (n === 'strokeText' || n === 'fillText')) {
                const temp = Array.from(args);
                temp[0] = fingerprint.BUID;
                temp[1] = Math.max(0, temp[1] - 2);
                temp[2] = Math.max(0, temp[2] - 2);
                originals[n].call(this, ...temp);
              }

              const result = originals[n].call(this, ...args);
              if (LO) {
                let jsonResult;
                try {
                  jsonResult = JSON.stringify(result);
                } catch (e) {}
                console.warn('function called', prefix, n, JSON.stringify(args), 'result:', result, jsonResult, `${result}`);
              }
              return result;
            };
          });
      }

      const gls = [];
      try {
        gls.push(document.createElement('canvas').getContext('webgl'));
        gls.push(document.createElement('canvas').getContext('experimental-webgl'));
      } catch (e) {}

      gls.forEach((gl) => {
        const glProto = Object.getPrototypeOf(gl);
        const origGetParameter = glProto.getParameter;
        const debugInfo = gl.getExtension('WEBGL_debug_renderer_info');
        if (gl) {
          glProto.getParameter = function getParameter(...args) {
            if (args[0] === debugInfo.UNMASKED_VENDOR_WEBGL) return logOverride('gl.getParameter.UNMASKED_VENDOR_WEBGL', fingerprint.WEBGL_VENDOR);
            if (args[0] === debugInfo.UNMASKED_RENDERER_WEBGL) return logOverride('gl.getParameter.UNMASKED_RENDERER_WEBGL', fingerprint.WEBGL_RENDERER);
            if (args[0] === 33901) return new Float32Array([1, 8191]);
            if (args[0] === 3386) return new Int32Array([16384, 16384]);
            if (args[0] === 35661) return 80;
            if (args[0] === 34076) return 16384;
            if (args[0] === 36349) return 1024;
            if (args[0] === 34024) return 16384;
            if (args[0] === 3379) return 16384;
            if (args[0] === 34921) return 16;
            if (args[0] === 36347) return 1024;

            return origGetParameter.call(this, ...args);
          };
        }
      });

      hookPrototypeMethods('webgl', document.createElement('canvas').getContext('webgl'));
      hookPrototypeMethods('experimental-webgl', document.createElement('canvas').getContext('experimental-webgl'));
      hookPrototypeMethods('2d', document.createElement('canvas').getContext('2d'));
      hookPrototypeMethods('canvas', canvas);

      hookPrototypeMethods('screen', window.screen);
      hookPrototypeMethods('navigator', window.navigator);
      hookPrototypeMethods('history', window.history);
    }, fingerprint, LOG_OVERRIDE, DIMENSION);

    //  emulate permissions
    await page.addInitScript(() => {
      const originalQuery = window.navigator.permissions.query;
      window.navigator.permissions.__proto__.query = (parameters) => (parameters.name === 'notifications' ?
        Promise.resolve({
          state: Notification.permission
        }) :
        originalQuery(parameters));

      const oldCall = Function.prototype.call;

      function call() {
        return oldCall.apply(this, arguments);
      }
      Function.prototype.call = call;

      const nativeToStringFunctionString = Error.toString().replace(
        /Error/g,
        'toString',
      );
      const oldToString = Function.prototype.toString;

      function functionToString() {
        if (this === window.navigator.permissions.query) {
          return 'function query() { [native code] }';
        }
        if (this === functionToString) {
          return nativeToStringFunctionString;
        }
        return oldCall.call(oldToString, this);
      }
      Function.prototype.toString = functionToString;
    });

    // must to hook getters
    await page.goto('about:blank');

    await page.setExtraHTTPHeaders({
      'Accept-Language': 'en-US,en;q=0.9',
      'Accept-Encoding': 'gzip, deflate, br',
    });

    await page.setViewport(DIMENSION);
}


async function run() {
  const args = [
    '--no-sandbox',
    '--remote-debugging-port=9222',
    '--disable-setuid-sandbox',
    '--ignore-certificate-errors',
    '--disk-cache-size=1',
    '--disable-infobars',
  ];
  const o = await tmp.dir({
    unsafeCleanup: true,
  });

  const userDataDir = o.path;

  const browser = await pw.chromium.launchPersistentContext(userDataDir, {
    headless: false,
    bypassCSP: true,
    ignoreHTTPSErrors: true,
    args: args,
    timezoneId: 'America/Los_Angeles',
  });

  // generate a fingerprint
  const fingerprint = await getBrowserfingerprint(uuid.v4());
  let page = await browser.newPage();

  // "cloak" our page with evasions
  await cloak(page, fingerprint);

  await page.goto('https://ipleak.com/full-report/');

}

run().catch(console.error);