749 lines
20 KiB
JavaScript
749 lines
20 KiB
JavaScript
//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 messages 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.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']);
|
|
};
|
|
|
|
/**
|
|
* 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);
|
|
});
|
|
};
|