зеркало из https://github.com/github/u2f-api.git
only load polyfill in Chrome
This commit is contained in:
Ben Toews
Родитель
c2b5b16ec9
Коммит
36775a1969
532
u2f-api.js
532
u2f-api.js
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@ -10,289 +10,291 @@
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'use strict';
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/** Namespace for the U2F api.
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* @type {Object}
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*/
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var u2f = u2f || {};
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if (!('u2f' in window) && 'chrome' in window && chrome.runtime) {
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/** Namespace for the U2F api.
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* @type {Object}
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*/
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var u2f = {};
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/**
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* The U2F extension id
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* @type {string}
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* @const
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*/
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u2f.EXTENSION_ID = 'kmendfapggjehodndflmmgagdbamhnfd';
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/**
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* The U2F extension id
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* @type {string}
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* @const
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*/
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u2f.EXTENSION_ID = 'kmendfapggjehodndflmmgagdbamhnfd';
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/**
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* Message types for messsages to/from the extension
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* @const
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* @enum {string}
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*/
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u2f.MessageTypes = {
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'U2F_REGISTER_REQUEST': 'u2f_register_request',
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'U2F_SIGN_REQUEST': 'u2f_sign_request',
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'U2F_REGISTER_RESPONSE': 'u2f_register_response',
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'U2F_SIGN_RESPONSE': 'u2f_sign_response'
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};
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/**
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* Message types for messsages to/from the extension
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* @const
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* @enum {string}
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*/
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u2f.MessageTypes = {
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'U2F_REGISTER_REQUEST': 'u2f_register_request',
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'U2F_SIGN_REQUEST': 'u2f_sign_request',
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'U2F_REGISTER_RESPONSE': 'u2f_register_response',
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'U2F_SIGN_RESPONSE': 'u2f_sign_response'
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};
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/**
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* Response status codes
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* @const
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* @enum {number}
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*/
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u2f.ErrorCodes = {
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'OK': 0,
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'OTHER_ERROR': 1,
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'BAD_REQUEST': 2,
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'CONFIGURATION_UNSUPPORTED': 3,
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'DEVICE_INELIGIBLE': 4,
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'TIMEOUT': 5
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};
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/**
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* Response status codes
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* @const
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* @enum {number}
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*/
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u2f.ErrorCodes = {
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'OK': 0,
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'OTHER_ERROR': 1,
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'BAD_REQUEST': 2,
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'CONFIGURATION_UNSUPPORTED': 3,
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'DEVICE_INELIGIBLE': 4,
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'TIMEOUT': 5
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};
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/**
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* A message type for registration requests
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* @typedef {{
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* type: u2f.MessageTypes,
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* signRequests: Array.<u2f.SignRequest>,
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* registerRequests: ?Array.<u2f.RegisterRequest>,
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* timeoutSeconds: ?number,
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* requestId: ?number
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* }}
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*/
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u2f.Request;
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/**
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* A message type for registration requests
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* @typedef {{
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* type: u2f.MessageTypes,
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* signRequests: Array.<u2f.SignRequest>,
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* registerRequests: ?Array.<u2f.RegisterRequest>,
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* timeoutSeconds: ?number,
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* requestId: ?number
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* }}
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*/
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u2f.Request;
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/**
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* A message for registration responses
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* @typedef {{
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* type: u2f.MessageTypes,
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* responseData: (u2f.Error | u2f.RegisterResponse | u2f.SignResponse),
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* requestId: ?number
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* }}
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*/
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u2f.Response;
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/**
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* A message for registration responses
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* @typedef {{
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* type: u2f.MessageTypes,
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* responseData: (u2f.Error | u2f.RegisterResponse | u2f.SignResponse),
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* requestId: ?number
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* }}
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*/
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u2f.Response;
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/**
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* An error object for responses
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* @typedef {{
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* errorCode: u2f.ErrorCodes,
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* errorMessage: ?string
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* }}
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*/
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u2f.Error;
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/**
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* An error object for responses
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* @typedef {{
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* errorCode: u2f.ErrorCodes,
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* errorMessage: ?string
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* }}
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*/
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u2f.Error;
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/**
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* Data object for a single sign request.
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* @typedef {{
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* version: string,
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* challenge: string,
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* keyHandle: string,
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* appId: string
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* }}
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*/
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u2f.SignRequest;
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/**
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* Data object for a single sign request.
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* @typedef {{
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* version: string,
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* challenge: string,
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* keyHandle: string,
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* appId: string
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* }}
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*/
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u2f.SignRequest;
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/**
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* Data object for a sign response.
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* @typedef {{
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* keyHandle: string,
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* signatureData: string,
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* clientData: string
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* }}
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*/
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u2f.SignResponse;
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/**
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* Data object for a sign response.
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* @typedef {{
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* keyHandle: string,
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* signatureData: string,
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* clientData: string
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* }}
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*/
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u2f.SignResponse;
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/**
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* Data object for a registration request.
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* @typedef {{
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* version: string,
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* challenge: string,
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* appId: string
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* }}
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*/
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u2f.RegisterRequest;
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/**
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* Data object for a registration request.
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* @typedef {{
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* version: string,
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* challenge: string,
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* appId: string
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* }}
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*/
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u2f.RegisterRequest;
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/**
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* Data object for a registration response.
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* @typedef {{
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* registrationData: string,
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* clientData: string
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* }}
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*/
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u2f.RegisterResponse;
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/**
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* Data object for a registration response.
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* @typedef {{
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* registrationData: string,
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* clientData: string
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* }}
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*/
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u2f.RegisterResponse;
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// Low level MessagePort API support
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// Low level MessagePort API support
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/**
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* Sets up a MessagePort to the U2F extension using the
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* available mechanisms.
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* @param {function(u2f.WrappedChromeRuntimePort_)} callback
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*/
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u2f.getMessagePort = function(callback) {
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var port = chrome.runtime.connect(u2f.EXTENSION_ID,
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{'includeTlsChannelId': true});
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setTimeout(function() {
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callback(new u2f.WrappedChromeRuntimePort_(port));
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}, 0);
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};
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/**
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* Sets up a MessagePort to the U2F extension using the
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* available mechanisms.
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* @param {function(u2f.WrappedChromeRuntimePort_)} callback
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*/
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u2f.getMessagePort = function(callback) {
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var port = chrome.runtime.connect(u2f.EXTENSION_ID,
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{'includeTlsChannelId': true});
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setTimeout(function() {
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callback(new u2f.WrappedChromeRuntimePort_(port));
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}, 0);
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};
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/**
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* A wrapper for chrome.runtime.Port that is compatible with MessagePort.
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* @param {Port} port
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* @constructor
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* @private
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*/
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u2f.WrappedChromeRuntimePort_ = function(port) {
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this.port_ = port;
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};
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/**
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* A wrapper for chrome.runtime.Port that is compatible with MessagePort.
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* @param {Port} port
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* @constructor
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* @private
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*/
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u2f.WrappedChromeRuntimePort_ = function(port) {
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this.port_ = port;
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};
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/**
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* Posts a message on the underlying channel.
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* @param {Object} message
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*/
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u2f.WrappedChromeRuntimePort_.prototype.postMessage = function(message) {
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this.port_.postMessage(message);
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};
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/**
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* Posts a message on the underlying channel.
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* @param {Object} message
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*/
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u2f.WrappedChromeRuntimePort_.prototype.postMessage = function(message) {
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this.port_.postMessage(message);
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};
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/**
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* Emulates the HTML 5 addEventListener interface. Works only for the
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* onmessage event, which is hooked up to the chrome.runtime.Port.onMessage.
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* @param {string} eventName
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* @param {function({data: Object})} handler
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*/
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u2f.WrappedChromeRuntimePort_.prototype.addEventListener =
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function(eventName, handler) {
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var name = eventName.toLowerCase();
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if (name == 'message' || name == 'onmessage') {
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this.port_.onMessage.addListener(function(message) {
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// Emulate a minimal MessageEvent object
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handler({'data': message});
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});
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} else {
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console.error('WrappedChromeRuntimePort only supports onMessage');
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}
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};
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// High-level JS API
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/**
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* Default extension response timeout in seconds.
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* @const
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*/
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u2f.EXTENSION_TIMEOUT_SEC = 30;
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/**
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* A singleton instance for a MessagePort to the extension.
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* @type {MessagePort|u2f.WrappedChromeRuntimePort_}
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* @private
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*/
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u2f.port_ = null;
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/**
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* Callbacks waiting for a port
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* @type {Array.<function((MessagePort|u2f.WrappedChromeRuntimePort_))>}
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* @private
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*/
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u2f.waitingForPort_ = [];
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/**
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* A counter for requestIds.
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* @type {number}
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* @private
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*/
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u2f.reqCounter_ = 0;
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/**
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* A map from requestIds to client callbacks
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* @type {Object.<number,(function((u2f.Error|u2f.RegisterResponse))
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* |function((u2f.Error|u2f.SignResponse)))>}
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* @private
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*/
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u2f.callbackMap_ = {};
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/**
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* Creates or retrieves the MessagePort singleton to use.
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* @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
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* @private
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*/
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u2f.getPortSingleton_ = function(callback) {
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if (u2f.port_) {
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callback(u2f.port_);
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} else {
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if (u2f.waitingForPort_.length == 0) {
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u2f.getMessagePort(function(port) {
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u2f.port_ = port;
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u2f.port_.addEventListener('message',
|
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/** @type {function(Event)} */ (u2f.responseHandler_));
|
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|
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// Careful, here be async callbacks. Maybe.
|
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while (u2f.waitingForPort_.length)
|
||||
u2f.waitingForPort_.shift()(u2f.port_);
|
||||
/**
|
||||
* 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 =
|
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function(eventName, handler) {
|
||||
var name = eventName.toLowerCase();
|
||||
if (name == 'message' || name == 'onmessage') {
|
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this.port_.onMessage.addListener(function(message) {
|
||||
// Emulate a minimal MessageEvent object
|
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handler({'data': message});
|
||||
});
|
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} else {
|
||||
console.error('WrappedChromeRuntimePort only supports onMessage');
|
||||
}
|
||||
u2f.waitingForPort_.push(callback);
|
||||
}
|
||||
};
|
||||
};
|
||||
|
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/**
|
||||
* 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.
|
||||
* @param {Array.<u2f.SignRequest>} signRequests
|
||||
* @param {function((u2f.Error|u2f.SignResponse))} callback
|
||||
* @param {number=} opt_timeoutSeconds
|
||||
*/
|
||||
u2f.sign = function(signRequests, callback, opt_timeoutSeconds) {
|
||||
u2f.getPortSingleton_(function(port) {
|
||||
var reqId = ++u2f.reqCounter_;
|
||||
u2f.callbackMap_[reqId] = callback;
|
||||
var req = {
|
||||
type: u2f.MessageTypes.U2F_SIGN_REQUEST,
|
||||
signRequests: signRequests,
|
||||
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
||||
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
||||
requestId: reqId
|
||||
};
|
||||
port.postMessage(req);
|
||||
});
|
||||
};
|
||||
// High-level JS API
|
||||
|
||||
/**
|
||||
* Dispatches register requests to available U2F tokens. An array of sign
|
||||
* requests identifies already registered tokens.
|
||||
* @param {Array.<u2f.RegisterRequest>} registerRequests
|
||||
* @param {Array.<u2f.SignRequest>} signRequests
|
||||
* @param {function((u2f.Error|u2f.RegisterResponse))} callback
|
||||
* @param {number=} opt_timeoutSeconds
|
||||
*/
|
||||
u2f.register = function(registerRequests, signRequests,
|
||||
callback, opt_timeoutSeconds) {
|
||||
u2f.getPortSingleton_(function(port) {
|
||||
var reqId = ++u2f.reqCounter_;
|
||||
u2f.callbackMap_[reqId] = callback;
|
||||
var req = {
|
||||
type: u2f.MessageTypes.U2F_REGISTER_REQUEST,
|
||||
signRequests: signRequests,
|
||||
registerRequests: registerRequests,
|
||||
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
||||
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
||||
requestId: reqId
|
||||
};
|
||||
port.postMessage(req);
|
||||
});
|
||||
};
|
||||
/**
|
||||
* 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.
|
||||
* @param {Array.<u2f.SignRequest>} signRequests
|
||||
* @param {function((u2f.Error|u2f.SignResponse))} callback
|
||||
* @param {number=} opt_timeoutSeconds
|
||||
*/
|
||||
u2f.sign = function(signRequests, callback, opt_timeoutSeconds) {
|
||||
u2f.getPortSingleton_(function(port) {
|
||||
var reqId = ++u2f.reqCounter_;
|
||||
u2f.callbackMap_[reqId] = callback;
|
||||
var req = {
|
||||
type: u2f.MessageTypes.U2F_SIGN_REQUEST,
|
||||
signRequests: signRequests,
|
||||
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
||||
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
||||
requestId: reqId
|
||||
};
|
||||
port.postMessage(req);
|
||||
});
|
||||
};
|
||||
|
||||
/**
|
||||
* Dispatches register requests to available U2F tokens. An array of sign
|
||||
* requests identifies already registered tokens.
|
||||
* @param {Array.<u2f.RegisterRequest>} registerRequests
|
||||
* @param {Array.<u2f.SignRequest>} signRequests
|
||||
* @param {function((u2f.Error|u2f.RegisterResponse))} callback
|
||||
* @param {number=} opt_timeoutSeconds
|
||||
*/
|
||||
u2f.register = function(registerRequests, signRequests,
|
||||
callback, opt_timeoutSeconds) {
|
||||
u2f.getPortSingleton_(function(port) {
|
||||
var reqId = ++u2f.reqCounter_;
|
||||
u2f.callbackMap_[reqId] = callback;
|
||||
var req = {
|
||||
type: u2f.MessageTypes.U2F_REGISTER_REQUEST,
|
||||
signRequests: signRequests,
|
||||
registerRequests: registerRequests,
|
||||
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
||||
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
||||
requestId: reqId
|
||||
};
|
||||
port.postMessage(req);
|
||||
});
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче