Merge pull request #2086 from dennisreimann/u2f-update

U2F: Update lib and improve error display
This commit is contained in:
Nicolas Dorier 2020-12-09 17:33:22 +09:00 committed by GitHub
commit 1d00ee41c4
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 873 additions and 809 deletions

View file

@ -17,43 +17,36 @@
<div>
<div class="row">
<div class="col-lg-12 section-heading">
<h2>
U2F Authentication
</h2>
<h2>U2F Authentication</h2>
<hr class="primary">
<div>
<span class="fa fa-spinner fa-spin float-right ml-3 mr-5 mt-1" style="font-size:2.5em"></span>
<span id="spinner" class="fa fa-spinner fa-spin float-right ml-3 mr-5 mt-1" style="font-size:2.5em"></span>
<p>Insert your U2F device or hardware wallet into your computer's USB port. If it has a button, tap on it.</p>
</div>
<a id="error-response" class="text-danger" href="javascript:window.location.reload()"> </a>
<p id="error-message" class="d-none alert alert-danger"></p>
<a id="btn-retry" class="btn btn-secondary d-none" href="javascript:window.location.reload()">Retry</a>
</div>
</div>
</div>
</section>
<script src="~/vendor/u2f/u2f-api-1.1.js" asp-append-version="true"></script>
<script src="~/vendor/u2f/u2f-api-1.1.1.js" asp-append-version="true"></script>
<script type="text/javascript">
var errorMap = {
1: 'Unknown error, try again',
2: "Bad request error, try again",
3: "This key isn't supported, please try another one",
4: 'The device is not registered, please try another one',
5: 'Authentication timed out. Please reload to try again.'
};
setTimeout(function() {
window.u2f.sign(
@Safe.Json(Model.AppId),
@Safe.Json(Model.Challenge),
@Safe.Json(Model.Challenges), function (data) {
if (data.errorCode) {
$("#error-response").text(errorMap[data.errorCode]);
return;
}
$('#DeviceResponse').val(JSON.stringify(data));
$('#u2fForm').submit();
return "";
});
}, 1000);
document.addEventListener("DOMContentLoaded", () => {
window.u2fApi.sign(
@Safe.Json(Model.Challenges)
)
.then(data => {
document.getElementById("DeviceResponse").value = JSON.stringify(data);
document.getElementById("u2fForm").submit();
})
.catch(error => {
document.getElementById("error-message").innerText = error.message;
document.getElementById("error-message").classList.remove("d-none");
document.getElementById("spinner").classList.add("d-none");
if (!error.message.endsWith("not supported")) {
document.getElementById("btn-retry").classList.remove("d-none");
}
});
});
</script>

View file

@ -15,16 +15,15 @@
<div class="card">
<div class="card-header">
<h4 style="margin-bottom:0;">
<span class="fa fa-spinner fa-spin" style="margin-right:.25rem;"></span>
<h4 class="mb-0">
Registering U2F Device
</h4>
</div>
<div class="card-body">
<p>Insert your U2F device or a hardware wallet into your computer's USB port. If it has a button, tap on it.</p>
<a id="error-response" class="text-danger" href="javascript:window.location.reload()"> </a>
<span id="spinner" class="fa fa-spinner fa-spin float-right" style="font-size:2.5em"></span>
<p class="mb-0 mr-5">Insert your U2F device or a hardware wallet into your computer's USB port. If it has a button, tap on it.</p>
<p id="error-message" class="d-none text-danger mt-3 mb-0"></p>
</div>
<div class="card-footer">
@ -33,32 +32,24 @@
</div>
@section Scripts {
<script src="~/vendor/u2f/u2f-api-1.1.js" asp-append-version="true"></script>
<script src="~/vendor/u2f/u2f-api-1.1.1.js" asp-append-version="true"></script>
<script type="text/javascript">
var errorMap = {
1: 'Unknown error, try again',
2: "Bad request error, try again",
3: "This key isn't supported, please try another one",
4: 'The device is already registered, please login',
5: 'Authentication timed out. Please reload to try again.'
};
setTimeout(function() {
var request = { "challenge": @Safe.Json(Model.Challenge), "version": @Safe.Json(Model.Version), "appId": @Safe.Json(Model.AppId) };
var registerRequests = [{version: request.version, challenge: request.challenge}];
u2f.register(request.appId, registerRequests, [],
function(data) {
if (data.errorCode) {
$("#error-response").text(errorMap[data.errorCode]);
return;
}
$('#DeviceResponse').val(JSON.stringify(data));
$('#registerForm').submit();
return false;
});
},
1000);
document.addEventListener("DOMContentLoaded", () => {
window.u2fApi.register([{
appId: @Safe.Json(Model.AppId),
version: @Safe.Json(Model.Version),
challenge: @Safe.Json(Model.Challenge)
}])
.then(data => {
document.getElementById("DeviceResponse").value = JSON.stringify(data);
document.getElementById("registerForm").submit();
})
.catch(message => {
document.getElementById("error-message").classList.remove("d-none");
document.getElementById("error-message").innerText = message;
document.getElementById("btn-back").innerText = "Retry";
document.getElementById("spinner").classList.add("d-none");
});
});
</script>
}

View file

@ -0,0 +1,829 @@
(function () {
'use strict';
//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
/**
* @fileoverview The U2F api.
*/
// 'use strict';
/**
* Namespace for the U2F api.
* @type {Object}
*/
var u2f = u2f || {};
const chromeApi = u2f; // Adaptation for u2f-api package
/**
* 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 = 'kmendfapggjehodndflmmgagdbamhnfd';
// 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 = 'pfboblefjcgdjicmnffhdgionmgcdmne';
/**
* Message types for messsages to/from the extension
* @const
* @enum {string}
*/
u2f.MessageTypes = {
'U2F_REGISTER_REQUEST': 'u2f_register_request',
'U2F_REGISTER_RESPONSE': 'u2f_register_response',
'U2F_SIGN_REQUEST': 'u2f_sign_request',
'U2F_SIGN_RESPONSE': 'u2f_sign_response',
'U2F_GET_API_VERSION_REQUEST': 'u2f_get_api_version_request',
'U2F_GET_API_VERSION_RESPONSE': 'u2f_get_api_version_response'
};
/**
* Response status codes
* @const
* @enum {number}
*/
u2f.ErrorCodes = {
'OK': 0,
'OTHER_ERROR': 1,
'BAD_REQUEST': 2,
'CONFIGURATION_UNSUPPORTED': 3,
'DEVICE_INELIGIBLE': 4,
'TIMEOUT': 5
};
//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 != 'undefined' && 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'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't have access to any extensions.
u2f.getIframePort_(callback);
}
};
/**
* Detect chrome running on android based on the browser's useragent.
* @private
*/
u2f.isAndroidChrome_ = function() {
var userAgent = navigator.userAgent;
return userAgent.indexOf('Chrome') != -1 &&
userAgent.indexOf('Android') != -1;
};
/**
* Detect chrome running on iOS based on the browser's platform.
* @private
*/
u2f.isIosChrome_ = function() {
return ["iPhone", "iPad", "iPod"].indexOf(navigator.platform) > -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,
{'includeTlsChannelId': true});
setTimeout(function() {
callback(new u2f.WrappedChromeRuntimePort_(port));
}, 0);
};
/**
* Return a 'port' abstraction to the Authenticator app.
* @param {function(u2f.WrappedAuthenticatorPort_)} callback
* @private
*/
u2f.getAuthenticatorPort_ = function(callback) {
setTimeout(function() {
callback(new u2f.WrappedAuthenticatorPort_());
}, 0);
};
/**
* Return a 'port' 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<u2f.SignRequest>} 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 < 1.1) {
// Adapt request to the 1.0 JS API
var signRequests = [];
for (var i = 0; i < 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<u2f.SignRequest>} signRequests
* @param {Array<u2f.RegisterRequest>} 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 < 1.1) {
// Adapt request to the 1.0 JS API
for (var i = 0; i < registerRequests.length; i++) {
registerRequests[i].appId = appId;
}
var signRequests = [];
for (var i = 0; i < 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 == 'message' || name == 'onmessage') {
this.port_.onMessage.addListener(function(message) {
// Emulate a minimal MessageEvent object
handler({'data': message});
});
} else {
console.error('WrappedChromeRuntimePort only supports onMessage');
}
};
/**
* 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_ +
';S.request=' + encodeURIComponent(JSON.stringify(message)) +
';end';
document.location = intentUrl;
};
/**
* Tells what type of port this is.
* @return {String} port type
*/
u2f.WrappedAuthenticatorPort_.prototype.getPortType = function() {
return "WrappedAuthenticatorPort_";
};
/**
* 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 == 'message') {
var self = this;
/* Register a callback to that executes when
* chrome injects the response. */
window.addEventListener(
'message', self.onRequestUpdate_.bind(self, handler), false);
} else {
console.error('WrappedAuthenticatorPort only supports message');
}
};
/**
* 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['intentURL'];
var errorCode = messageObject['errorCode'];
var responseObject = null;
if (messageObject.hasOwnProperty('data')) {
responseObject = /** @type {Object} */ (
JSON.parse(messageObject['data']));
}
callback({'data': responseObject});
};
/**
* Base URL for intents to Authenticator.
* @const
* @private
*/
u2f.WrappedAuthenticatorPort_.INTENT_URL_BASE_ =
'intent:#Intent;action=com.google.android.apps.authenticator.AUTHENTICATE';
/**
* 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 = "u2f://auth?" + encodeURI(str);
location.replace(url);
};
/**
* Tells what type of port this is.
* @return {String} port type
*/
u2f.WrappedIosPort_.prototype.getPortType = function() {
return "WrappedIosPort_";
};
/**
* 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 !== 'message') {
console.error('WrappedIosPort only supports message');
}
};
/**
* Sets up an embedded trampoline iframe, sourced from the extension.
* @param {function(MessagePort)} callback
* @private
*/
u2f.getIframePort_ = function(callback) {
// Create the iframe
var iframeOrigin = 'chrome-extension://' + u2f.EXTENSION_ID;
var iframe = document.createElement('iframe');
iframe.src = iframeOrigin + '/u2f-comms.html';
iframe.setAttribute('style', 'display:none');
document.body.appendChild(iframe);
var channel = new MessageChannel();
var ready = function(message) {
if (message.data == 'ready') {
channel.port1.removeEventListener('message', ready);
callback(channel.port1);
} else {
console.error('First event on iframe port was not "ready"');
}
};
channel.port1.addEventListener('message', ready);
channel.port1.start();
iframe.addEventListener('load', function() {
// Deliver the port to the iframe and initialize
iframe.contentWindow.postMessage('init', 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<function((MessagePort|u2f.WrappedChromeRuntimePort_))>}
* @private
*/
u2f.waitingForPort_ = [];
/**
* A counter for requestIds.
* @type {number}
* @private
*/
u2f.reqCounter_ = 0;
/**
* A map from requestIds to client callbacks
* @type {Object.<number,(function((u2f.Error|u2f.RegisterResponse))
* |function((u2f.Error|u2f.SignResponse)))>}
* @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('message',
/** @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.<u2f.Response>} message
* @private
*/
u2f.responseHandler_ = function(message) {
var response = message.data;
var reqId = response['requestId'];
if (!reqId || !u2f.callbackMap_[reqId]) {
console.error('Unknown or missing requestId in response.');
return;
}
var cb = u2f.callbackMap_[reqId];
delete u2f.callbackMap_[reqId];
cb(response['responseData']);
};
/**
* Calls the callback with true or false as first and only argument
* @param {Function} callback
*/
u2f.isSupported = function(callback) {
var hasCalledBack = false;
function reply(value) {
if (hasCalledBack)
return;
hasCalledBack = true;
callback(value);
}
u2f.getApiVersion(
function (response) {
js_api_version = response['js_api_version'] === undefined ? 0 : response['js_api_version'];
reply(true);
}
);
// No response from extension within 1500ms -> no support
setTimeout(reply.bind(null, false), 1500);
};
/**
* 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<u2f.RegisteredKey>} 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['js_api_version'] === undefined ? 0 : response['js_api_version'];
console.log("Extension JS API Version: ", 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<u2f.RegisteredKey>} 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 !== 'undefined' ?
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<u2f.RegisterRequest>} registerRequests
* @param {Array<u2f.RegisteredKey>} 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['js_api_version'] === undefined ? 0: response['js_api_version'];
console.log("Extension JS API Version: ", 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<u2f.RegisterRequest>} registerRequests
* @param {Array<u2f.RegisteredKey>} 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 !== 'undefined' ?
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'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 'WrappedIosPort_':
case 'WrappedAuthenticatorPort_':
apiVersion = 1.1;
break;
default:
apiVersion = 0;
break;
}
callback({ 'js_api_version': apiVersion });
return;
}
var reqId = ++u2f.reqCounter_;
u2f.callbackMap_[reqId] = callback;
var req = {
type: u2f.MessageTypes.U2F_GET_API_VERSION_REQUEST,
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
requestId: reqId
};
port.postMessage(req);
});
};
// Feature detection (yes really)
// For IE and Edge detection, see https://stackoverflow.com/questions/31757852#31757969
// and https://stackoverflow.com/questions/56360225#56361977
var isBrowser = (typeof navigator !== 'undefined') && !!navigator.userAgent;
var isSafari = isBrowser && navigator.userAgent.match(/Safari\//)
&& !navigator.userAgent.match(/Chrome\//);
var isEDGE = isBrowser && /(Edge\/)|(edg\/)/i.test(navigator.userAgent);
var isIE = isBrowser && /(MSIE 9|MSIE 10|rv:11.0)/i.test(navigator.userAgent);
var _backend = null;
function getBackend() {
if (_backend)
return _backend;
var supportChecker = new Promise(function (resolve, reject) {
function notSupported() {
resolve({ u2f: null });
}
if (!isBrowser)
return notSupported();
if (isSafari)
// Safari doesn't support U2F, and the Safari-FIDO-U2F
// extension lacks full support (Multi-facet apps), so we
// block it until proper support.
return notSupported();
var hasNativeSupport = (typeof window.u2f !== 'undefined') &&
(typeof window.u2f.sign === 'function');
if (hasNativeSupport)
return resolve({ u2f: window.u2f });
if (isEDGE || isIE)
// We don't want to check for Google's extension hack on EDGE & IE
// as it'll cause trouble (popups, etc)
return notSupported();
if (location.protocol === 'http:')
// U2F isn't supported over http, only https
return notSupported();
if (typeof MessageChannel === 'undefined')
// Unsupported browser, the chrome hack would throw
return notSupported();
// Test for google extension support
chromeApi.isSupported(function (ok) {
if (ok)
resolve({ u2f: chromeApi });
else
notSupported();
});
})
.then(function (response) {
_backend = response.u2f ? supportChecker : null;
return response;
});
return supportChecker;
}
var ErrorCodes = {
OK: 0,
OTHER_ERROR: 1,
BAD_REQUEST: 2,
CONFIGURATION_UNSUPPORTED: 3,
DEVICE_INELIGIBLE: 4,
TIMEOUT: 5
};
var ErrorNames = {
"0": "OK",
"1": "OTHER_ERROR",
"2": "BAD_REQUEST",
"3": "CONFIGURATION_UNSUPPORTED",
"4": "DEVICE_INELIGIBLE",
"5": "TIMEOUT"
};
function makeError(msg, err) {
var code = err != null ? err.errorCode : 1; // Default to OTHER_ERROR
var type = ErrorNames[('' + code)];
var error = new Error(msg);
error.metaData = { type: type, code: code };
return error;
}
function isSupported() {
return getBackend()
.then(function (backend) { return !!backend.u2f; });
}
function _ensureSupport(backend) {
if (!backend.u2f) {
if (location.protocol === 'http:')
throw new Error("U2F isn't supported over http, only https");
throw new Error("U2F not supported");
}
}
function ensureSupport() {
return getBackend()
.then(_ensureSupport);
}
function arrayify(value) {
if (value != null && Array.isArray(value))
return value;
return value == null
? []
: Array.isArray(value)
? value.slice() : [value];
}
function register(registerRequests, signRequests, timeout) {
var _registerRequests = arrayify(registerRequests);
if (typeof signRequests === 'number' && typeof timeout === 'undefined') {
timeout = signRequests;
signRequests = [];
}
var _signRequests = arrayify(signRequests);
return getBackend()
.then(function (backend) {
_ensureSupport(backend);
var u2f = backend.u2f;
return new Promise(function (resolve, reject) {
function callback(response) {
if (response.errorCode)
reject(makeError("Registration failed", response));
else {
delete response.errorCode;
resolve(response);
}
}
var appId = _registerRequests[0].appId;
u2f.register(appId, _registerRequests, _signRequests, callback, timeout);
});
});
}
function sign(signRequests, timeout) {
var _signRequests = arrayify(signRequests);
return getBackend()
.then(function (backend) {
_ensureSupport(backend);
var u2f = backend.u2f;
return new Promise(function (resolve, reject) {
var _a;
function callback(response) {
if (response.errorCode)
reject(makeError("Sign failed", response));
else {
delete response.errorCode;
resolve(response);
}
}
var appId = _signRequests[0].appId;
var challenge = _signRequests[0].challenge;
var registeredKeys = (_a = []).concat.apply(_a, _signRequests
.map(function (_a) {
var version = _a.version, keyHandle = _a.keyHandle, appId = _a.appId;
return arrayify(keyHandle)
.map(function (keyHandle) {
return ({ version: version, keyHandle: keyHandle, appId: appId });
});
}));
u2f.sign(appId, challenge, registeredKeys, callback, timeout);
});
});
}
var u2fApi = /*#__PURE__*/Object.freeze({
ErrorCodes: ErrorCodes,
ErrorNames: ErrorNames,
isSupported: isSupported,
ensureSupport: ensureSupport,
register: register,
sign: sign
});
window.u2fApi = u2fApi;
}());

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@ -1,749 +0,0 @@
//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
/**
* @fileoverview The U2F api.
*/
'use strict';
/**
* Namespace for the U2F api.
* @type {Object}
*/
var u2f = 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 = 'kmendfapggjehodndflmmgagdbamhnfd';
// 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 = 'pfboblefjcgdjicmnffhdgionmgcdmne';
/**
* Message types for messsages to/from the extension
* @const
* @enum {string}
*/
u2f.MessageTypes = {
'U2F_REGISTER_REQUEST': 'u2f_register_request',
'U2F_REGISTER_RESPONSE': 'u2f_register_response',
'U2F_SIGN_REQUEST': 'u2f_sign_request',
'U2F_SIGN_RESPONSE': 'u2f_sign_response',
'U2F_GET_API_VERSION_REQUEST': 'u2f_get_api_version_request',
'U2F_GET_API_VERSION_RESPONSE': 'u2f_get_api_version_response'
};
/**
* Response status codes
* @const
* @enum {number}
*/
u2f.ErrorCodes = {
'OK': 0,
'OTHER_ERROR': 1,
'BAD_REQUEST': 2,
'CONFIGURATION_UNSUPPORTED': 3,
'DEVICE_INELIGIBLE': 4,
'TIMEOUT': 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}}
*/
u2f.Transport;
/**
* Data object for a single sign request.
* @typedef {Array<u2f.Transport>}
*/
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 != 'undefined' && 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'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't have access to any extensions.
u2f.getIframePort_(callback);
}
};
/**
* Detect chrome running on android based on the browser's useragent.
* @private
*/
u2f.isAndroidChrome_ = function() {
var userAgent = navigator.userAgent;
return userAgent.indexOf('Chrome') != -1 &&
userAgent.indexOf('Android') != -1;
};
/**
* Detect chrome running on iOS based on the browser's platform.
* @private
*/
u2f.isIosChrome_ = function() {
return ["iPhone", "iPad", "iPod"].indexOf(navigator.platform) > -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,
{'includeTlsChannelId': true});
setTimeout(function() {
callback(new u2f.WrappedChromeRuntimePort_(port));
}, 0);
};
/**
* Return a 'port' abstraction to the Authenticator app.
* @param {function(u2f.WrappedAuthenticatorPort_)} callback
* @private
*/
u2f.getAuthenticatorPort_ = function(callback) {
setTimeout(function() {
callback(new u2f.WrappedAuthenticatorPort_());
}, 0);
};
/**
* Return a 'port' 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<u2f.SignRequest>} 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 < 1.1) {
// Adapt request to the 1.0 JS API
var signRequests = [];
for (var i = 0; i < 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<u2f.SignRequest>} signRequests
* @param {Array<u2f.RegisterRequest>} 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 < 1.1) {
// Adapt request to the 1.0 JS API
for (var i = 0; i < registerRequests.length; i++) {
registerRequests[i].appId = appId;
}
var signRequests = [];
for (var i = 0; i < 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 == 'message' || name == 'onmessage') {
this.port_.onMessage.addListener(function(message) {
// Emulate a minimal MessageEvent object
handler({'data': message});
});
} else {
console.error('WrappedChromeRuntimePort only supports onMessage');
}
};
/**
* 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_ +
';S.request=' + encodeURIComponent(JSON.stringify(message)) +
';end';
document.location = intentUrl;
};
/**
* Tells what type of port this is.
* @return {String} port type
*/
u2f.WrappedAuthenticatorPort_.prototype.getPortType = function() {
return "WrappedAuthenticatorPort_";
};
/**
* 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 == 'message') {
var self = this;
/* Register a callback to that executes when
* chrome injects the response. */
window.addEventListener(
'message', self.onRequestUpdate_.bind(self, handler), false);
} else {
console.error('WrappedAuthenticatorPort only supports message');
}
};
/**
* 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['intentURL'];
var errorCode = messageObject['errorCode'];
var responseObject = null;
if (messageObject.hasOwnProperty('data')) {
responseObject = /** @type {Object} */ (
JSON.parse(messageObject['data']));
}
callback({'data': responseObject});
};
/**
* Base URL for intents to Authenticator.
* @const
* @private
*/
u2f.WrappedAuthenticatorPort_.INTENT_URL_BASE_ =
'intent:#Intent;action=com.google.android.apps.authenticator.AUTHENTICATE';
/**
* 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 = "u2f://auth?" + encodeURI(str);
location.replace(url);
};
/**
* Tells what type of port this is.
* @return {String} port type
*/
u2f.WrappedIosPort_.prototype.getPortType = function() {
return "WrappedIosPort_";
};
/**
* 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 !== 'message') {
console.error('WrappedIosPort only supports message');
}
};
/**
* Sets up an embedded trampoline iframe, sourced from the extension.
* @param {function(MessagePort)} callback
* @private
*/
u2f.getIframePort_ = function(callback) {
// Create the iframe
var iframeOrigin = 'chrome-extension://' + u2f.EXTENSION_ID;
var iframe = document.createElement('iframe');
iframe.src = iframeOrigin + '/u2f-comms.html';
iframe.origin = iframeOrigin;
iframe.setAttribute('style', 'display:none');
document.body.appendChild(iframe);
var channel = new MessageChannel();
var ready = function(message) {
if (message.data == 'ready') {
channel.port1.removeEventListener('message', ready);
callback(channel.port1);
} else {
console.error('First event on iframe port was not "ready"');
}
};
channel.port1.addEventListener('message', ready);
channel.port1.start();
iframe.addEventListener('load', function() {
// Deliver the port to the iframe and initialize
iframe.contentWindow.postMessage('init', null, [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<function((MessagePort|u2f.WrappedChromeRuntimePort_))>}
* @private
*/
u2f.waitingForPort_ = [];
/**
* A counter for requestIds.
* @type {number}
* @private
*/
u2f.reqCounter_ = 0;
/**
* A map from requestIds to client callbacks
* @type {Object.<number,(function((u2f.Error|u2f.RegisterResponse))
* |function((u2f.Error|u2f.SignResponse)))>}
* @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('message',
/** @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.<u2f.Response>} message
* @private
*/
u2f.responseHandler_ = function(message) {
var response = message.data;
var reqId = response['requestId'];
if (!reqId || !u2f.callbackMap_[reqId]) {
console.error('Unknown or missing requestId in response.');
return;
}
var cb = u2f.callbackMap_[reqId];
delete u2f.callbackMap_[reqId];
cb(response['responseData']);
};
/**
* 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<u2f.RegisteredKey>} 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['js_api_version'] === undefined ? 0 : response['js_api_version'];
console.log("Extension JS API Version: ", 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<u2f.RegisteredKey>} 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 !== 'undefined' ?
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<u2f.RegisterRequest>} registerRequests
* @param {Array<u2f.RegisteredKey>} 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['js_api_version'] === undefined ? 0: response['js_api_version'];
console.log("Extension JS API Version: ", 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<u2f.RegisterRequest>} registerRequests
* @param {Array<u2f.RegisteredKey>} 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 !== 'undefined' ?
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'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 'WrappedIosPort_':
case 'WrappedAuthenticatorPort_':
apiVersion = 1.1;
break;
default:
apiVersion = 0;
break;
}
callback({ 'js_api_version': apiVersion });
return;
}
var reqId = ++u2f.reqCounter_;
u2f.callbackMap_[reqId] = callback;
var req = {
type: u2f.MessageTypes.U2F_GET_API_VERSION_REQUEST,
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
requestId: reqId
};
port.postMessage(req);
});
};