mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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584 lines
19 KiB
JavaScript
584 lines
19 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* Temporary abstraction layer for common Fx Accounts operations.
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* For now, we will be using this module only from B2G but in the end we might
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* want this to be merged with FxAccounts.jsm and let other products also use
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* it.
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*/
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"use strict";
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this.EXPORTED_SYMBOLS = ["FxAccountsManager"];
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const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/FxAccounts.jsm");
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Cu.import("resource://gre/modules/Promise.jsm");
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Cu.import("resource://gre/modules/FxAccountsCommon.js");
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XPCOMUtils.defineLazyServiceGetter(this, "permissionManager",
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"@mozilla.org/permissionmanager;1",
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"nsIPermissionManager");
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this.FxAccountsManager = {
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init: function() {
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Services.obs.addObserver(this, ONLOGOUT_NOTIFICATION, false);
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Services.obs.addObserver(this, ON_FXA_UPDATE_NOTIFICATION, false);
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},
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observe: function(aSubject, aTopic, aData) {
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// Both topics indicate our cache is invalid
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this._activeSession = null;
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if (aData == ONVERIFIED_NOTIFICATION) {
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log.debug("FxAccountsManager: cache cleared, broadcasting: " + aData);
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Services.obs.notifyObservers(null, aData, null);
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}
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},
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// We don't really need to save fxAccounts instance but this way we allow
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// to mock FxAccounts from tests.
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_fxAccounts: fxAccounts,
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// We keep the session details here so consumers don't need to deal with
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// session tokens and are only required to handle the email.
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_activeSession: null,
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// Are we refreshing our authentication? If so, allow attempts to sign in
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// while we are already signed in.
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_refreshing: false,
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// We only expose the email and the verified status so far.
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get _user() {
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if (!this._activeSession || !this._activeSession.email) {
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return null;
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}
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return {
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email: this._activeSession.email,
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verified: this._activeSession.verified
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}
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},
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_error: function(aError, aDetails) {
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log.error(aError);
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let reason = {
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error: aError
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};
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if (aDetails) {
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reason.details = aDetails;
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}
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return Promise.reject(reason);
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},
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_getError: function(aServerResponse) {
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if (!aServerResponse || !aServerResponse.error || !aServerResponse.error.errno) {
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return;
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}
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let error = SERVER_ERRNO_TO_ERROR[aServerResponse.error.errno];
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return error;
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},
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_serverError: function(aServerResponse) {
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let error = this._getError({ error: aServerResponse });
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return this._error(error ? error : ERROR_SERVER_ERROR, aServerResponse);
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},
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// As with _fxAccounts, we don't really need this method, but this way we
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// allow tests to mock FxAccountsClient. By default, we want to return the
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// client used by the fxAccounts object because deep down they should have
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// access to the same hawk request object which will enable them to share
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// local clock skeq data.
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_getFxAccountsClient: function() {
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return this._fxAccounts.getAccountsClient();
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},
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_signInSignUp: function(aMethod, aEmail, aPassword) {
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if (Services.io.offline) {
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return this._error(ERROR_OFFLINE);
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}
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if (!aEmail) {
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return this._error(ERROR_INVALID_EMAIL);
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}
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if (!aPassword) {
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return this._error(ERROR_INVALID_PASSWORD);
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}
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// Check that there is no signed in account first.
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if ((!this._refreshing) && this._activeSession) {
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return this._error(ERROR_ALREADY_SIGNED_IN_USER, {
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user: this._user
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});
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}
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let client = this._getFxAccountsClient();
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return this._fxAccounts.getSignedInUser().then(
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user => {
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if ((!this._refreshing) && user) {
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return this._error(ERROR_ALREADY_SIGNED_IN_USER, {
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user: this._user
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});
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}
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return client[aMethod](aEmail, aPassword);
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}
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).then(
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user => {
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let error = this._getError(user);
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if (!user || !user.uid || !user.sessionToken || error) {
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return this._error(error ? error : ERROR_INTERNAL_INVALID_USER, {
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user: user
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});
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}
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// If the user object includes an email field, it may differ in
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// capitalization from what we sent down. This is the server's
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// canonical capitalization and should be used instead.
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user.email = user.email || aEmail;
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// If we're using server-side sign to refreshAuthentication
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// we don't need to update local state; also because of two
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// interacting glitches we need to bypass an event emission.
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=1031580
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if (this._refreshing) {
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return Promise.resolve({user: this._user});
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}
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return this._fxAccounts.setSignedInUser(user).then(
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() => {
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this._activeSession = user;
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log.debug("User signed in: " + JSON.stringify(this._user) +
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" - Account created " + (aMethod == "signUp"));
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return Promise.resolve({
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accountCreated: aMethod === "signUp",
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user: this._user
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});
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}
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);
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},
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reason => { return this._serverError(reason); }
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);
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},
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/**
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* Determine whether the incoming error means that the current account
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* has new server-side state via deletion or password change, and if so,
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* spawn the appropriate UI (sign in or refresh); otherwise re-reject.
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*
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* As of May 2014, the only HTTP call triggered by this._getAssertion()
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* is to /certificate/sign via:
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* FxAccounts.getAssertion()
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* FxAccountsInternal.getCertificateSigned()
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* FxAccountsClient.signCertificate()
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* See the latter method for possible (error code, errno) pairs.
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*/
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_handleGetAssertionError: function(reason, aAudience, aPrincipal) {
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let errno = (reason ? reason.errno : NaN) || NaN;
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// If the previously valid email/password pair is no longer valid ...
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if (errno == ERRNO_INVALID_AUTH_TOKEN) {
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return this._fxAccounts.accountStatus().then(
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(exists) => {
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// ... if the email still maps to an account, the password
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// must have changed, so ask the user to enter the new one ...
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if (exists) {
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return this.getAccount().then(
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(user) => {
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return this._refreshAuthentication(aAudience, user.email,
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aPrincipal,
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true /* logoutOnFailure */);
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}
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);
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}
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// ... otherwise, the account was deleted, so ask for Sign In/Up
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return this._localSignOut().then(
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() => {
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return this._uiRequest(UI_REQUEST_SIGN_IN_FLOW, aAudience,
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aPrincipal);
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},
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(reason) => {
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// reject primary problem, not signout failure
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log.error("Signing out in response to server error threw: " +
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reason);
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return this._error(reason);
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}
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);
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}
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);
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}
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return Promise.reject(reason);
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},
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_getAssertion: function(aAudience, aPrincipal) {
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return this._fxAccounts.getAssertion(aAudience).then(
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(result) => {
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if (aPrincipal) {
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this._addPermission(aPrincipal);
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}
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return result;
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},
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(reason) => {
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return this._handleGetAssertionError(reason, aAudience, aPrincipal);
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}
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);
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},
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/**
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* "Refresh authentication" means:
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* Interactively demonstrate knowledge of the FxA password
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* for the currently logged-in account.
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* There are two very different scenarios:
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* 1) The password has changed on the server. Failure should log
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* the current account OUT.
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* 2) The person typing can't prove knowledge of the password used
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* to log in. Failure should do nothing.
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*/
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_refreshAuthentication: function(aAudience, aEmail, aPrincipal,
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logoutOnFailure=false) {
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this._refreshing = true;
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return this._uiRequest(UI_REQUEST_REFRESH_AUTH,
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aAudience, aPrincipal, aEmail).then(
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(assertion) => {
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this._refreshing = false;
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return assertion;
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},
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(reason) => {
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this._refreshing = false;
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if (logoutOnFailure) {
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return this._signOut().then(
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() => {
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return this._error(reason);
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}
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);
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}
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return this._error(reason);
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}
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);
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},
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_localSignOut: function() {
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return this._fxAccounts.signOut(true);
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},
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_signOut: function() {
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if (!this._activeSession) {
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return Promise.resolve();
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}
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// We clear the local session cache as soon as we get the onlogout
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// notification triggered within FxAccounts.signOut, so we save the
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// session token value to be able to remove the remote server session
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// in case that we have network connection.
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let sessionToken = this._activeSession.sessionToken;
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return this._localSignOut().then(
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() => {
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// At this point the local session should already be removed.
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// The client can create new sessions up to the limit (100?).
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// Orphaned tokens on the server will eventually be garbage collected.
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if (Services.io.offline) {
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return Promise.resolve();
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}
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// Otherwise, we try to remove the remote session.
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let client = this._getFxAccountsClient();
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return client.signOut(sessionToken).then(
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result => {
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let error = this._getError(result);
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if (error) {
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return this._error(error, result);
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}
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log.debug("Signed out");
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return Promise.resolve();
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},
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reason => {
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return this._serverError(reason);
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}
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);
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}
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);
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},
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_uiRequest: function(aRequest, aAudience, aPrincipal, aParams) {
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let ui = Cc["@mozilla.org/fxaccounts/fxaccounts-ui-glue;1"]
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.createInstance(Ci.nsIFxAccountsUIGlue);
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if (!ui[aRequest]) {
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return this._error(ERROR_UI_REQUEST);
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}
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if (!aParams || !Array.isArray(aParams)) {
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aParams = [aParams];
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}
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return ui[aRequest].apply(this, aParams).then(
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result => {
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// Even if we get a successful result from the UI, the account will
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// most likely be unverified, so we cannot get an assertion.
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if (result && result.verified) {
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return this._getAssertion(aAudience, aPrincipal);
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}
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return this._error(ERROR_UNVERIFIED_ACCOUNT, {
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user: result
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});
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},
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error => {
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return this._error(ERROR_UI_ERROR, error);
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}
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);
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},
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_addPermission: function(aPrincipal) {
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// This will fail from tests cause we are running them in the child
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// process until we have chrome tests in b2g. Bug 797164.
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try {
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permissionManager.addFromPrincipal(aPrincipal, FXACCOUNTS_PERMISSION,
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Ci.nsIPermissionManager.ALLOW_ACTION);
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} catch (e) {
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log.warn("Could not add permission " + e);
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}
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},
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// -- API --
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signIn: function(aEmail, aPassword) {
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return this._signInSignUp("signIn", aEmail, aPassword);
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},
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signUp: function(aEmail, aPassword) {
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return this._signInSignUp("signUp", aEmail, aPassword);
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},
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signOut: function() {
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if (!this._activeSession) {
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// If there is no cached active session, we try to get it from the
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// account storage.
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return this.getAccount().then(
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result => {
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if (!result) {
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return Promise.resolve();
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}
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return this._signOut();
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}
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);
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}
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return this._signOut();
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},
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resendVerificationEmail: function() {
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return this._fxAccounts.resendVerificationEmail().then(
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(result) => {
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return result;
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},
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(error) => {
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return this._error(ERROR_SERVER_ERROR, error);
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}
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);
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},
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getAccount: function() {
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// We check first if we have session details cached.
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if (this._activeSession) {
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// If our cache says that the account is not yet verified,
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// we kick off verification before returning what we have.
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if (this._activeSession && !this._activeSession.verified &&
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!Services.io.offline) {
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this.verificationStatus(this._activeSession);
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}
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log.debug("Account " + JSON.stringify(this._user));
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return Promise.resolve(this._user);
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}
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// If no cached information, we try to get it from the persistent storage.
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return this._fxAccounts.getSignedInUser().then(
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user => {
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if (!user || !user.email) {
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log.debug("No signed in account");
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return Promise.resolve(null);
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}
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this._activeSession = user;
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// If we get a stored information of a not yet verified account,
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// we kick off verification before returning what we have.
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if (!user.verified && !Services.io.offline) {
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log.debug("Unverified account");
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this.verificationStatus(user);
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}
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log.debug("Account " + JSON.stringify(this._user));
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return Promise.resolve(this._user);
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}
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);
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},
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queryAccount: function(aEmail) {
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log.debug("queryAccount " + aEmail);
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if (Services.io.offline) {
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return this._error(ERROR_OFFLINE);
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}
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let deferred = Promise.defer();
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if (!aEmail) {
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return this._error(ERROR_INVALID_EMAIL);
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}
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let client = this._getFxAccountsClient();
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return client.accountExists(aEmail).then(
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result => {
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log.debug("Account " + result ? "" : "does not" + " exists");
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let error = this._getError(result);
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if (error) {
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return this._error(error, result);
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}
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return Promise.resolve({
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registered: result
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});
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},
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reason => { this._serverError(reason); }
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);
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},
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verificationStatus: function() {
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log.debug("verificationStatus");
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if (!this._activeSession || !this._activeSession.sessionToken) {
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this._error(ERROR_NO_TOKEN_SESSION);
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}
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// There is no way to unverify an already verified account, so we just
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// return the account details of a verified account
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if (this._activeSession.verified) {
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log.debug("Account already verified");
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return;
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}
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if (Services.io.offline) {
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this._error(ERROR_OFFLINE);
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}
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let client = this._getFxAccountsClient();
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client.recoveryEmailStatus(this._activeSession.sessionToken).then(
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data => {
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let error = this._getError(data);
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if (error) {
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this._error(error, data);
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}
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// If the verification status has changed, update state.
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if (this._activeSession.verified != data.verified) {
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this._activeSession.verified = data.verified;
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this._fxAccounts.setSignedInUser(this._activeSession);
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}
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log.debug(JSON.stringify(this._user));
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},
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reason => { this._serverError(reason); }
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);
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},
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/*
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* Try to get an assertion for the given audience. Here we implement
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* the heart of the response to navigator.mozId.request() on device.
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* (We can also be called via the IAC API, but it's request() that
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* makes this method complex.) The state machine looks like this,
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* ignoring simple errors:
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* If no one is signed in, and we aren't suppressing the UI:
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* trigger the sign in flow.
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* else if we were asked to refresh and the grace period is up:
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* trigger the refresh flow.
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* else:
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* request user permission to share an assertion if we don't have it
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* already and ask the core code for an assertion, which might itself
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* trigger either the sign in or refresh flows (if our account
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* changed on the server).
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*
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* aOptions can include:
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* refreshAuthentication - (bool) Force re-auth.
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* silent - (bool) Prevent any UI interaction.
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* I.e., try to get an automatic assertion.
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*/
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getAssertion: function(aAudience, aPrincipal, aOptions) {
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if (!aAudience) {
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return this._error(ERROR_INVALID_AUDIENCE);
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}
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if (Services.io.offline) {
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return this._error(ERROR_OFFLINE);
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}
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let secMan = Cc["@mozilla.org/scriptsecuritymanager;1"]
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.getService(Ci.nsIScriptSecurityManager);
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let uri = Services.io.newURI(aPrincipal.origin, null, null);
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let principal = secMan.getAppCodebasePrincipal(uri,
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aPrincipal.appId, aPrincipal.isInBrowserElement);
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return this.getAccount().then(
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user => {
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if (user) {
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// Three have-user cases to consider. First: are we unverified?
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if (!user.verified) {
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return this._error(ERROR_UNVERIFIED_ACCOUNT, {
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user: user
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});
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}
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// Second case: do we need to refresh?
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if (aOptions &&
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(typeof(aOptions.refreshAuthentication) != "undefined")) {
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let gracePeriod = aOptions.refreshAuthentication;
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if (typeof(gracePeriod) !== "number" || isNaN(gracePeriod)) {
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return this._error(ERROR_INVALID_REFRESH_AUTH_VALUE);
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}
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// Forcing refreshAuth to silent is a contradiction in terms,
|
|
// though it might succeed silently if we didn't reject here.
|
|
if (aOptions.silent) {
|
|
return this._error(ERROR_NO_SILENT_REFRESH_AUTH);
|
|
}
|
|
let secondsSinceAuth = (Date.now() / 1000) -
|
|
this._activeSession.authAt;
|
|
if (secondsSinceAuth > gracePeriod) {
|
|
return this._refreshAuthentication(aAudience, user.email,
|
|
principal,
|
|
false /* logoutOnFailure */);
|
|
}
|
|
}
|
|
// Third case: we are all set *locally*. Probably we just return
|
|
// the assertion, but the attempt might lead to the server saying
|
|
// we are deleted or have a new password, which will trigger a flow.
|
|
// Also we need to check if we have permission to get the assertion,
|
|
// otherwise we need to show the forceAuth UI to let the user know
|
|
// that the RP with no fxa permissions is trying to obtain an
|
|
// assertion. Once the user authenticates herself in the forceAuth UI
|
|
// the permission will be remembered by default.
|
|
let permission = permissionManager.testPermissionFromPrincipal(
|
|
principal,
|
|
FXACCOUNTS_PERMISSION
|
|
);
|
|
if (permission == Ci.nsIPermissionManager.PROMPT_ACTION &&
|
|
!this._refreshing) {
|
|
return this._refreshAuthentication(aAudience, user.email,
|
|
principal,
|
|
false /* logoutOnFailure */);
|
|
} else if (permission == Ci.nsIPermissionManager.DENY_ACTION &&
|
|
!this._refreshing) {
|
|
return this._error(ERROR_PERMISSION_DENIED);
|
|
}
|
|
return this._getAssertion(aAudience, principal);
|
|
}
|
|
log.debug("No signed in user");
|
|
if (aOptions && aOptions.silent) {
|
|
return Promise.resolve(null);
|
|
}
|
|
return this._uiRequest(UI_REQUEST_SIGN_IN_FLOW, aAudience, principal);
|
|
}
|
|
);
|
|
}
|
|
|
|
};
|
|
|
|
FxAccountsManager.init();
|