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        <form method='post'>  
            <textarea name='content' rows='20'>//Copyright 2014-2015 Google Inc. All rights reserved.

//Use of this source code is governed by a BSD-style
//license that can be found in the LICENSE file or at
//https://developers.google.com/open-source/licenses/bsd

// NOTE FROM MAINTAINER: This file is copied from google/u2f-ref-code with as
// few alterations as possible. Any changes that were necessary are annotated
// with &quot;NECESSARY CHANGE&quot;. These changes, as well as this note, should be
// preserved when updating this file from the source.

/**
 * @fileoverview The U2F api.
 */
&#039;use strict&#039;;

// NECESSARY CHANGE: wrap the whole file in a closure
(function (){
  // NECESSARY CHANGE: detect UA to avoid clobbering other browser&#039;s U2F API.
  var isChrome = &#039;chrome&#039; in window &amp;&amp; window.navigator.userAgent.indexOf(&#039;Edge&#039;) &lt; 0;
  if (&#039;u2f&#039; in window || !isChrome) {
    return;
  }

  /**
   * Namespace for the U2F api.
   * @type {Object}
   */
  // NECESSARY CHANGE: define the window.u2f API.
  var u2f = window.u2f = {};

  /**
   * FIDO U2F Javascript API Version
   * @number
   */
  var js_api_version;

  /**
   * The U2F extension id
   * @const {string}
   */
  // The Chrome packaged app extension ID.
  // Uncomment this if you want to deploy a server instance that uses
  // the package Chrome app and does not require installing the U2F Chrome extension.
  u2f.EXTENSION_ID = &#039;kmendfapggjehodndflmmgagdbamhnfd&#039;;
  // The U2F Chrome extension ID.
  // Uncomment this if you want to deploy a server instance that uses
  // the U2F Chrome extension to authenticate.
  // u2f.EXTENSION_ID = &#039;pfboblefjcgdjicmnffhdgionmgcdmne&#039;;


  /**
   * Message types for messsages to/from the extension
   * @const
   * @enum {string}
   */
  u2f.MessageTypes = {
      &#039;U2F_REGISTER_REQUEST&#039;: &#039;u2f_register_request&#039;,
      &#039;U2F_REGISTER_RESPONSE&#039;: &#039;u2f_register_response&#039;,
      &#039;U2F_SIGN_REQUEST&#039;: &#039;u2f_sign_request&#039;,
      &#039;U2F_SIGN_RESPONSE&#039;: &#039;u2f_sign_response&#039;,
      &#039;U2F_GET_API_VERSION_REQUEST&#039;: &#039;u2f_get_api_version_request&#039;,
      &#039;U2F_GET_API_VERSION_RESPONSE&#039;: &#039;u2f_get_api_version_response&#039;
  };


  /**
   * Response status codes
   * @const
   * @enum {number}
   */
  u2f.ErrorCodes = {
      &#039;OK&#039;: 0,
      &#039;OTHER_ERROR&#039;: 1,
      &#039;BAD_REQUEST&#039;: 2,
      &#039;CONFIGURATION_UNSUPPORTED&#039;: 3,
      &#039;DEVICE_INELIGIBLE&#039;: 4,
      &#039;TIMEOUT&#039;: 5
  };


  /**
   * A message for registration requests
   * @typedef {{
   *   type: u2f.MessageTypes,
   *   appId: ?string,
   *   timeoutSeconds: ?number,
   *   requestId: ?number
   * }}
   */
  u2f.U2fRequest;


  /**
   * A message for registration responses
   * @typedef {{
   *   type: u2f.MessageTypes,
   *   responseData: (u2f.Error | u2f.RegisterResponse | u2f.SignResponse),
   *   requestId: ?number
   * }}
   */
  u2f.U2fResponse;


  /**
   * An error object for responses
   * @typedef {{
   *   errorCode: u2f.ErrorCodes,
   *   errorMessage: ?string
   * }}
   */
  u2f.Error;

  /**
   * Data object for a single sign request.
   * @typedef {enum {BLUETOOTH_RADIO, BLUETOOTH_LOW_ENERGY, USB, NFC, USB_INTERNAL}}
   */
  u2f.Transport;


  /**
   * Data object for a single sign request.
   * @typedef {Array&lt;u2f.Transport&gt;}
   */
  u2f.Transports;

  /**
   * Data object for a single sign request.
   * @typedef {{
   *   version: string,
   *   challenge: string,
   *   keyHandle: string,
   *   appId: string
   * }}
   */
  u2f.SignRequest;


  /**
   * Data object for a sign response.
   * @typedef {{
   *   keyHandle: string,
   *   signatureData: string,
   *   clientData: string
   * }}
   */
  u2f.SignResponse;


  /**
   * Data object for a registration request.
   * @typedef {{
   *   version: string,
   *   challenge: string
   * }}
   */
  u2f.RegisterRequest;


  /**
   * Data object for a registration response.
   * @typedef {{
   *   version: string,
   *   keyHandle: string,
   *   transports: Transports,
   *   appId: string
   * }}
   */
  u2f.RegisterResponse;


  /**
   * Data object for a registered key.
   * @typedef {{
   *   version: string,
   *   keyHandle: string,
   *   transports: ?Transports,
   *   appId: ?string
   * }}
   */
  u2f.RegisteredKey;


  /**
   * Data object for a get API register response.
   * @typedef {{
   *   js_api_version: number
   * }}
   */
  u2f.GetJsApiVersionResponse;


  //Low level MessagePort API support

  /**
   * Sets up a MessagePort to the U2F extension using the
   * available mechanisms.
   * @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
   */
  u2f.getMessagePort = function(callback) {
    if (typeof chrome != &#039;undefined&#039; &amp;&amp; chrome.runtime) {
      // The actual message here does not matter, but we need to get a reply
      // for the callback to run. Thus, send an empty signature request
      // in order to get a failure response.
      var msg = {
          type: u2f.MessageTypes.U2F_SIGN_REQUEST,
          signRequests: []
      };
      chrome.runtime.sendMessage(u2f.EXTENSION_ID, msg, function() {
        if (!chrome.runtime.lastError) {
          // We are on a whitelisted origin and can talk directly
          // with the extension.
          u2f.getChromeRuntimePort_(callback);
        } else {
          // chrome.runtime was available, but we couldn&#039;t message
          // the extension directly, use iframe
          u2f.getIframePort_(callback);
        }
      });
    } else if (u2f.isAndroidChrome_()) {
      u2f.getAuthenticatorPort_(callback);
    } else if (u2f.isIosChrome_()) {
      u2f.getIosPort_(callback);
    } else {
      // chrome.runtime was not available at all, which is normal
      // when this origin doesn&#039;t have access to any extensions.
      u2f.getIframePort_(callback);
    }
  };

  /**
   * Detect chrome running on android based on the browser&#039;s useragent.
   * @private
   */
  u2f.isAndroidChrome_ = function() {
    var userAgent = navigator.userAgent;
    return userAgent.indexOf(&#039;Chrome&#039;) != -1 &amp;&amp;
    userAgent.indexOf(&#039;Android&#039;) != -1;
  };

  /**
   * Detect chrome running on iOS based on the browser&#039;s platform.
   * @private
   */
  u2f.isIosChrome_ = function() {
    return [&quot;iPhone&quot;, &quot;iPad&quot;, &quot;iPod&quot;].indexOf(navigator.platform) &gt; -1;
  };

  /**
   * Connects directly to the extension via chrome.runtime.connect.
   * @param {function(u2f.WrappedChromeRuntimePort_)} callback
   * @private
   */
  u2f.getChromeRuntimePort_ = function(callback) {
    var port = chrome.runtime.connect(u2f.EXTENSION_ID,
        {&#039;includeTlsChannelId&#039;: true});
    setTimeout(function() {
      callback(new u2f.WrappedChromeRuntimePort_(port));
    }, 0);
  };

  /**
   * Return a &#039;port&#039; abstraction to the Authenticator app.
   * @param {function(u2f.WrappedAuthenticatorPort_)} callback
   * @private
   */
  u2f.getAuthenticatorPort_ = function(callback) {
    setTimeout(function() {
      callback(new u2f.WrappedAuthenticatorPort_());
    }, 0);
  };

  /**
   * Return a &#039;port&#039; abstraction to the iOS client app.
   * @param {function(u2f.WrappedIosPort_)} callback
   * @private
   */
  u2f.getIosPort_ = function(callback) {
    setTimeout(function() {
      callback(new u2f.WrappedIosPort_());
    }, 0);
  };

  /**
   * A wrapper for chrome.runtime.Port that is compatible with MessagePort.
   * @param {Port} port
   * @constructor
   * @private
   */
  u2f.WrappedChromeRuntimePort_ = function(port) {
    this.port_ = port;
  };

  /**
   * Format and return a sign request compliant with the JS API version supported by the extension.
   * @param {Array&lt;u2f.SignRequest&gt;} signRequests
   * @param {number} timeoutSeconds
   * @param {number} reqId
   * @return {Object}
   */
  u2f.formatSignRequest_ =
    function(appId, challenge, registeredKeys, timeoutSeconds, reqId) {
    if (js_api_version === undefined || js_api_version &lt; 1.1) {
      // Adapt request to the 1.0 JS API
      var signRequests = [];
      for (var i = 0; i &lt; registeredKeys.length; i++) {
        signRequests[i] = {
            version: registeredKeys[i].version,
            challenge: challenge,
            keyHandle: registeredKeys[i].keyHandle,
            appId: appId
        };
      }
      return {
        type: u2f.MessageTypes.U2F_SIGN_REQUEST,
        signRequests: signRequests,
        timeoutSeconds: timeoutSeconds,
        requestId: reqId
      };
    }
    // JS 1.1 API
    return {
      type: u2f.MessageTypes.U2F_SIGN_REQUEST,
      appId: appId,
      challenge: challenge,
      registeredKeys: registeredKeys,
      timeoutSeconds: timeoutSeconds,
      requestId: reqId
    };
  };

  /**
   * Format and return a register request compliant with the JS API version supported by the extension..
   * @param {Array&lt;u2f.SignRequest&gt;} signRequests
   * @param {Array&lt;u2f.RegisterRequest&gt;} signRequests
   * @param {number} timeoutSeconds
   * @param {number} reqId
   * @return {Object}
   */
  u2f.formatRegisterRequest_ =
    function(appId, registeredKeys, registerRequests, timeoutSeconds, reqId) {
    if (js_api_version === undefined || js_api_version &lt; 1.1) {
      // Adapt request to the 1.0 JS API
      for (var i = 0; i &lt; registerRequests.length; i++) {
        registerRequests[i].appId = appId;
      }
      var signRequests = [];
      for (var i = 0; i &lt; registeredKeys.length; i++) {
        signRequests[i] = {
            version: registeredKeys[i].version,
            challenge: registerRequests[0],
            keyHandle: registeredKeys[i].keyHandle,
            appId: appId
        };
      }
      return {
        type: u2f.MessageTypes.U2F_REGISTER_REQUEST,
        signRequests: signRequests,
        registerRequests: registerRequests,
        timeoutSeconds: timeoutSeconds,
        requestId: reqId
      };
    }
    // JS 1.1 API
    return {
      type: u2f.MessageTypes.U2F_REGISTER_REQUEST,
      appId: appId,
      registerRequests: registerRequests,
      registeredKeys: registeredKeys,
      timeoutSeconds: timeoutSeconds,
      requestId: reqId
    };
  };


  /**
   * Posts a message on the underlying channel.
   * @param {Object} message
   */
  u2f.WrappedChromeRuntimePort_.prototype.postMessage = function(message) {
    this.port_.postMessage(message);
  };


  /**
   * Emulates the HTML 5 addEventListener interface. Works only for the
   * onmessage event, which is hooked up to the chrome.runtime.Port.onMessage.
   * @param {string} eventName
   * @param {function({data: Object})} handler
   */
  u2f.WrappedChromeRuntimePort_.prototype.addEventListener =
      function(eventName, handler) {
    var name = eventName.toLowerCase();
    if (name == &#039;message&#039; || name == &#039;onmessage&#039;) {
      this.port_.onMessage.addListener(function(message) {
        // Emulate a minimal MessageEvent object
        handler({&#039;data&#039;: message});
      });
    } else {
      console.error(&#039;WrappedChromeRuntimePort only supports onMessage&#039;);
    }
  };

  /**
   * Wrap the Authenticator app with a MessagePort interface.
   * @constructor
   * @private
   */
  u2f.WrappedAuthenticatorPort_ = function() {
    this.requestId_ = -1;
    this.requestObject_ = null;
  }

  /**
   * Launch the Authenticator intent.
   * @param {Object} message
   */
  u2f.WrappedAuthenticatorPort_.prototype.postMessage = function(message) {
    var intentUrl =
      u2f.WrappedAuthenticatorPort_.INTENT_URL_BASE_ +
      &#039;;S.request=&#039; + encodeURIComponent(JSON.stringify(message)) +
      &#039;;end&#039;;
    document.location = intentUrl;
  };

  /**
   * Tells what type of port this is.
   * @return {String} port type
   */
  u2f.WrappedAuthenticatorPort_.prototype.getPortType = function() {
    return &quot;WrappedAuthenticatorPort_&quot;;
  };


  /**
   * Emulates the HTML 5 addEventListener interface.
   * @param {string} eventName
   * @param {function({data: Object})} handler
   */
  u2f.WrappedAuthenticatorPort_.prototype.addEventListener = function(eventName, handler) {
    var name = eventName.toLowerCase();
    if (name == &#039;message&#039;) {
      var self = this;
      /* Register a callback to that executes when
      * chrome injects the response. */
      window.addEventListener(
          &#039;message&#039;, self.onRequestUpdate_.bind(self, handler), false);
    } else {
      console.error(&#039;WrappedAuthenticatorPort only supports message&#039;);
    }
  };

  /**
   * Callback invoked  when a response is received from the Authenticator.
   * @param function({data: Object}) callback
   * @param {Object} message message Object
   */
  u2f.WrappedAuthenticatorPort_.prototype.onRequestUpdate_ =
      function(callback, message) {
    var messageObject = JSON.parse(message.data);
    var intentUrl = messageObject[&#039;intentURL&#039;];

    var errorCode = messageObject[&#039;errorCode&#039;];
    var responseObject = null;
    if (messageObject.hasOwnProperty(&#039;data&#039;)) {
      responseObject = /** @type {Object} */ (
          JSON.parse(messageObject[&#039;data&#039;]));
    }

    callback({&#039;data&#039;: responseObject});
  };

  /**
   * Base URL for intents to Authenticator.
   * @const
   * @private
   */
  u2f.WrappedAuthenticatorPort_.INTENT_URL_BASE_ =
    &#039;intent:#Intent;action=com.google.android.apps.authenticator.AUTHENTICATE&#039;;

  /**
   * Wrap the iOS client app with a MessagePort interface.
   * @constructor
   * @private
   */
  u2f.WrappedIosPort_ = function() {};

  /**
   * Launch the iOS client app request
   * @param {Object} message
   */
  u2f.WrappedIosPort_.prototype.postMessage = function(message) {
    var str = JSON.stringify(message);
    var url = &quot;u2f://auth?&quot; + encodeURI(str);
    location.replace(url);
  };

  /**
   * Tells what type of port this is.
   * @return {String} port type
   */
  u2f.WrappedIosPort_.prototype.getPortType = function() {
    return &quot;WrappedIosPort_&quot;;
  };

  /**
   * Emulates the HTML 5 addEventListener interface.
   * @param {string} eventName
   * @param {function({data: Object})} handler
   */
  u2f.WrappedIosPort_.prototype.addEventListener = function(eventName, handler) {
    var name = eventName.toLowerCase();
    if (name !== &#039;message&#039;) {
      console.error(&#039;WrappedIosPort only supports message&#039;);
    }
  };

  /**
   * Sets up an embedded trampoline iframe, sourced from the extension.
   * @param {function(MessagePort)} callback
   * @private
   */
  u2f.getIframePort_ = function(callback) {
    // Create the iframe
    var iframeOrigin = &#039;chrome-extension://&#039; + u2f.EXTENSION_ID;
    var iframe = document.createElement(&#039;iframe&#039;);
    iframe.src = iframeOrigin + &#039;/u2f-comms.html&#039;;
    iframe.setAttribute(&#039;style&#039;, &#039;display:none&#039;);
    document.body.appendChild(iframe);

    var channel = new MessageChannel();
    var ready = function(message) {
      if (message.data == &#039;ready&#039;) {
        channel.port1.removeEventListener(&#039;message&#039;, ready);
        callback(channel.port1);
      } else {
        console.error(&#039;First event on iframe port was not &quot;ready&quot;&#039;);
      }
    };
    channel.port1.addEventListener(&#039;message&#039;, ready);
    channel.port1.start();

    iframe.addEventListener(&#039;load&#039;, function() {
      // Deliver the port to the iframe and initialize
      iframe.contentWindow.postMessage(&#039;init&#039;, iframeOrigin, [channel.port2]);
    });
  };


  //High-level JS API

  /**
   * Default extension response timeout in seconds.
   * @const
   */
  u2f.EXTENSION_TIMEOUT_SEC = 30;

  /**
   * A singleton instance for a MessagePort to the extension.
   * @type {MessagePort|u2f.WrappedChromeRuntimePort_}
   * @private
   */
  u2f.port_ = null;

  /**
   * Callbacks waiting for a port
   * @type {Array&lt;function((MessagePort|u2f.WrappedChromeRuntimePort_))&gt;}
   * @private
   */
  u2f.waitingForPort_ = [];

  /**
   * A counter for requestIds.
   * @type {number}
   * @private
   */
  u2f.reqCounter_ = 0;

  /**
   * A map from requestIds to client callbacks
   * @type {Object.&lt;number,(function((u2f.Error|u2f.RegisterResponse))
   *                       |function((u2f.Error|u2f.SignResponse)))&gt;}
   * @private
   */
  u2f.callbackMap_ = {};

  /**
   * Creates or retrieves the MessagePort singleton to use.
   * @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
   * @private
   */
  u2f.getPortSingleton_ = function(callback) {
    if (u2f.port_) {
      callback(u2f.port_);
    } else {
      if (u2f.waitingForPort_.length == 0) {
        u2f.getMessagePort(function(port) {
          u2f.port_ = port;
          u2f.port_.addEventListener(&#039;message&#039;,
              /** @type {function(Event)} */ (u2f.responseHandler_));

          // Careful, here be async callbacks. Maybe.
          while (u2f.waitingForPort_.length)
            u2f.waitingForPort_.shift()(u2f.port_);
        });
      }
      u2f.waitingForPort_.push(callback);
    }
  };

  /**
   * Handles response messages from the extension.
   * @param {MessageEvent.&lt;u2f.Response&gt;} message
   * @private
   */
  u2f.responseHandler_ = function(message) {
    var response = message.data;
    var reqId = response[&#039;requestId&#039;];
    if (!reqId || !u2f.callbackMap_[reqId]) {
      console.error(&#039;Unknown or missing requestId in response.&#039;);
      return;
    }
    var cb = u2f.callbackMap_[reqId];
    delete u2f.callbackMap_[reqId];
    cb(response[&#039;responseData&#039;]);
  };

  /**
   * Dispatches an array of sign requests to available U2F tokens.
   * If the JS API version supported by the extension is unknown, it first sends a
   * message to the extension to find out the supported API version and then it sends
   * the sign request.
   * @param {string=} appId
   * @param {string=} challenge
   * @param {Array&lt;u2f.RegisteredKey&gt;} registeredKeys
   * @param {function((u2f.Error|u2f.SignResponse))} callback
   * @param {number=} opt_timeoutSeconds
   */
  u2f.sign = function(appId, challenge, registeredKeys, callback, opt_timeoutSeconds) {
    if (js_api_version === undefined) {
      // Send a message to get the extension to JS API version, then send the actual sign request.
      u2f.getApiVersion(
          function (response) {
            js_api_version = response[&#039;js_api_version&#039;] === undefined ? 0 : response[&#039;js_api_version&#039;];
            console.log(&quot;Extension JS API Version: &quot;, js_api_version);
            u2f.sendSignRequest(appId, challenge, registeredKeys, callback, opt_timeoutSeconds);
          });
    } else {
      // We know the JS API version. Send the actual sign request in the supported API version.
      u2f.sendSignRequest(appId, challenge, registeredKeys, callback, opt_timeoutSeconds);
    }
  };

  /**
   * Dispatches an array of sign requests to available U2F tokens.
   * @param {string=} appId
   * @param {string=} challenge
   * @param {Array&lt;u2f.RegisteredKey&gt;} registeredKeys
   * @param {function((u2f.Error|u2f.SignResponse))} callback
   * @param {number=} opt_timeoutSeconds
   */
  u2f.sendSignRequest = function(appId, challenge, registeredKeys, callback, opt_timeoutSeconds) {
    u2f.getPortSingleton_(function(port) {
      var reqId = ++u2f.reqCounter_;
      u2f.callbackMap_[reqId] = callback;
      var timeoutSeconds = (typeof opt_timeoutSeconds !== &#039;undefined&#039; ?
          opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC);
      var req = u2f.formatSignRequest_(appId, challenge, registeredKeys, timeoutSeconds, reqId);
      port.postMessage(req);
    });
  };

  /**
   * Dispatches register requests to available U2F tokens. An array of sign
   * requests identifies already registered tokens.
   * If the JS API version supported by the extension is unknown, it first sends a
   * message to the extension to find out the supported API version and then it sends
   * the register request.
   * @param {string=} appId
   * @param {Array&lt;u2f.RegisterRequest&gt;} registerRequests
   * @param {Array&lt;u2f.RegisteredKey&gt;} registeredKeys
   * @param {function((u2f.Error|u2f.RegisterResponse))} callback
   * @param {number=} opt_timeoutSeconds
   */
  u2f.register = function(appId, registerRequests, registeredKeys, callback, opt_timeoutSeconds) {
    if (js_api_version === undefined) {
      // Send a message to get the extension to JS API version, then send the actual register request.
      u2f.getApiVersion(
          function (response) {
            js_api_version = response[&#039;js_api_version&#039;] === undefined ? 0: response[&#039;js_api_version&#039;];
            console.log(&quot;Extension JS API Version: &quot;, js_api_version);
            u2f.sendRegisterRequest(appId, registerRequests, registeredKeys,
                callback, opt_timeoutSeconds);
          });
    } else {
      // We know the JS API version. Send the actual register request in the supported API version.
      u2f.sendRegisterRequest(appId, registerRequests, registeredKeys,
          callback, opt_timeoutSeconds);
    }
  };

  /**
   * Dispatches register requests to available U2F tokens. An array of sign
   * requests identifies already registered tokens.
   * @param {string=} appId
   * @param {Array&lt;u2f.RegisterRequest&gt;} registerRequests
   * @param {Array&lt;u2f.RegisteredKey&gt;} registeredKeys
   * @param {function((u2f.Error|u2f.RegisterResponse))} callback
   * @param {number=} opt_timeoutSeconds
   */
  u2f.sendRegisterRequest = function(appId, registerRequests, registeredKeys, callback, opt_timeoutSeconds) {
    u2f.getPortSingleton_(function(port) {
      var reqId = ++u2f.reqCounter_;
      u2f.callbackMap_[reqId] = callback;
      var timeoutSeconds = (typeof opt_timeoutSeconds !== &#039;undefined&#039; ?
          opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC);
      var req = u2f.formatRegisterRequest_(
          appId, registeredKeys, registerRequests, timeoutSeconds, reqId);
      port.postMessage(req);
    });
  };


  /**
   * Dispatches a message to the extension to find out the supported
   * JS API version.
   * If the user is on a mobile phone and is thus using Google Authenticator instead
   * of the Chrome extension, don&#039;t send the request and simply return 0.
   * @param {function((u2f.Error|u2f.GetJsApiVersionResponse))} callback
   * @param {number=} opt_timeoutSeconds
   */
  u2f.getApiVersion = function(callback, opt_timeoutSeconds) {
  u2f.getPortSingleton_(function(port) {
    // If we are using Android Google Authenticator or iOS client app,
    // do not fire an intent to ask which JS API version to use.
    if (port.getPortType) {
      var apiVersion;
      switch (port.getPortType()) {
        case &#039;WrappedIosPort_&#039;:
        case &#039;WrappedAuthenticatorPort_&#039;:
          apiVersion = 1.1;
          break;

        default:
          apiVersion = 0;
          break;
      }
      callback({ &#039;js_api_version&#039;: apiVersion });
      return;
    }
      var reqId = ++u2f.reqCounter_;
      u2f.callbackMap_[reqId] = callback;
      var req = {
        type: u2f.MessageTypes.U2F_GET_API_VERSION_REQUEST,
        timeoutSeconds: (typeof opt_timeoutSeconds !== &#039;undefined&#039; ?
            opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
        requestId: reqId
      };
      port.postMessage(req);
    });
  };
})();
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