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authorwolfbeast <mcwerewolf@gmail.com>2018-11-30 14:01:51 +0100
committerwolfbeast <mcwerewolf@gmail.com>2018-11-30 14:01:51 +0100
commit5ec8aef6cb2b236f38d5343514d5061ff36ec79d (patch)
treee0b7d7f75c6645e17c7693445896bd2d5f35edb4 /services/sync
parent07f9cb86813ccb19d045eb95068cb1c09fdfb230 (diff)
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Remove FxA BrowserIDManager auth
Diffstat (limited to 'services/sync')
-rw-r--r--services/sync/modules/browserid_identity.js786
-rw-r--r--services/sync/modules/identity.js3
-rw-r--r--services/sync/moz.build1
3 files changed, 1 insertions, 789 deletions
diff --git a/services/sync/modules/browserid_identity.js b/services/sync/modules/browserid_identity.js
deleted file mode 100644
index 9709b9196..000000000
--- a/services/sync/modules/browserid_identity.js
+++ /dev/null
@@ -1,786 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = ["BrowserIDManager"];
-
-var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/Log.jsm");
-Cu.import("resource://services-common/async.js");
-Cu.import("resource://services-common/utils.js");
-Cu.import("resource://services-common/tokenserverclient.js");
-Cu.import("resource://services-crypto/utils.js");
-Cu.import("resource://services-sync/identity.js");
-Cu.import("resource://services-sync/util.js");
-Cu.import("resource://services-common/tokenserverclient.js");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://services-sync/constants.js");
-Cu.import("resource://gre/modules/Promise.jsm");
-Cu.import("resource://services-sync/stages/cluster.js");
-Cu.import("resource://gre/modules/FxAccounts.jsm");
-
-// Lazy imports to prevent unnecessary load on startup.
-XPCOMUtils.defineLazyModuleGetter(this, "Weave",
- "resource://services-sync/main.js");
-
-XPCOMUtils.defineLazyModuleGetter(this, "BulkKeyBundle",
- "resource://services-sync/keys.js");
-
-XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
- "resource://gre/modules/FxAccounts.jsm");
-
-XPCOMUtils.defineLazyGetter(this, 'log', function() {
- let log = Log.repository.getLogger("Sync.BrowserIDManager");
- log.level = Log.Level[Svc.Prefs.get("log.logger.identity")] || Log.Level.Error;
- return log;
-});
-
-// FxAccountsCommon.js doesn't use a "namespace", so create one here.
-var fxAccountsCommon = {};
-Cu.import("resource://gre/modules/FxAccountsCommon.js", fxAccountsCommon);
-
-const OBSERVER_TOPICS = [
- fxAccountsCommon.ONLOGIN_NOTIFICATION,
- fxAccountsCommon.ONLOGOUT_NOTIFICATION,
-];
-
-const PREF_SYNC_SHOW_CUSTOMIZATION = "services.sync-setup.ui.showCustomizationDialog";
-
-function deriveKeyBundle(kB) {
- let out = CryptoUtils.hkdf(kB, undefined,
- "identity.mozilla.com/picl/v1/oldsync", 2*32);
- let bundle = new BulkKeyBundle();
- // [encryptionKey, hmacKey]
- bundle.keyPair = [out.slice(0, 32), out.slice(32, 64)];
- return bundle;
-}
-
-/*
- General authentication error for abstracting authentication
- errors from multiple sources (e.g., from FxAccounts, TokenServer).
- details is additional details about the error - it might be a string, or
- some other error object (which should do the right thing when toString() is
- called on it)
-*/
-function AuthenticationError(details) {
- this.details = details;
-}
-
-AuthenticationError.prototype = {
- toString: function() {
- return "AuthenticationError(" + this.details + ")";
- }
-}
-
-this.BrowserIDManager = function BrowserIDManager() {
- // NOTE: _fxaService and _tokenServerClient are replaced with mocks by
- // the test suite.
- this._fxaService = fxAccounts;
- this._tokenServerClient = new TokenServerClient();
- this._tokenServerClient.observerPrefix = "weave:service";
- // will be a promise that resolves when we are ready to authenticate
- this.whenReadyToAuthenticate = null;
- this._log = log;
-};
-
-this.BrowserIDManager.prototype = {
- __proto__: IdentityManager.prototype,
-
- _fxaService: null,
- _tokenServerClient: null,
- // https://docs.services.mozilla.com/token/apis.html
- _token: null,
- _signedInUser: null, // the signedinuser we got from FxAccounts.
-
- // null if no error, otherwise a LOGIN_FAILED_* value that indicates why
- // we failed to authenticate (but note it might not be an actual
- // authentication problem, just a transient network error or similar)
- _authFailureReason: null,
-
- // it takes some time to fetch a sync key bundle, so until this flag is set,
- // we don't consider the lack of a keybundle as a failure state.
- _shouldHaveSyncKeyBundle: false,
-
- get readyToAuthenticate() {
- // We are finished initializing when we *should* have a sync key bundle,
- // although we might not actually have one due to auth failures etc.
- return this._shouldHaveSyncKeyBundle;
- },
-
- get needsCustomization() {
- try {
- return Services.prefs.getBoolPref(PREF_SYNC_SHOW_CUSTOMIZATION);
- } catch (e) {
- return false;
- }
- },
-
- initialize: function() {
- for (let topic of OBSERVER_TOPICS) {
- Services.obs.addObserver(this, topic, false);
- }
- return this.initializeWithCurrentIdentity();
- },
-
- /**
- * Ensure the user is logged in. Returns a promise that resolves when
- * the user is logged in, or is rejected if the login attempt has failed.
- */
- ensureLoggedIn: function() {
- if (!this._shouldHaveSyncKeyBundle) {
- // We are already in the process of logging in.
- return this.whenReadyToAuthenticate.promise;
- }
-
- // If we are already happy then there is nothing more to do.
- if (this._syncKeyBundle) {
- return Promise.resolve();
- }
-
- // Similarly, if we have a previous failure that implies an explicit
- // re-entering of credentials by the user is necessary we don't take any
- // further action - an observer will fire when the user does that.
- if (Weave.Status.login == LOGIN_FAILED_LOGIN_REJECTED) {
- return Promise.reject(new Error("User needs to re-authenticate"));
- }
-
- // So - we've a previous auth problem and aren't currently attempting to
- // log in - so fire that off.
- this.initializeWithCurrentIdentity();
- return this.whenReadyToAuthenticate.promise;
- },
-
- finalize: function() {
- // After this is called, we can expect Service.identity != this.
- for (let topic of OBSERVER_TOPICS) {
- Services.obs.removeObserver(this, topic);
- }
- this.resetCredentials();
- this._signedInUser = null;
- return Promise.resolve();
- },
-
- offerSyncOptions: function () {
- // If the user chose to "Customize sync options" when signing
- // up with Firefox Accounts, ask them to choose what to sync.
- const url = "chrome://browser/content/sync/customize.xul";
- const features = "centerscreen,chrome,modal,dialog,resizable=no";
- let win = Services.wm.getMostRecentWindow("navigator:browser");
-
- let data = {accepted: false};
- win.openDialog(url, "_blank", features, data);
-
- return data;
- },
-
- initializeWithCurrentIdentity: function(isInitialSync=false) {
- // While this function returns a promise that resolves once we've started
- // the auth process, that process is complete when
- // this.whenReadyToAuthenticate.promise resolves.
- this._log.trace("initializeWithCurrentIdentity");
-
- // Reset the world before we do anything async.
- this.whenReadyToAuthenticate = Promise.defer();
- this.whenReadyToAuthenticate.promise.then(null, (err) => {
- this._log.error("Could not authenticate", err);
- });
-
- // initializeWithCurrentIdentity() can be called after the
- // identity module was first initialized, e.g., after the
- // user completes a force authentication, so we should make
- // sure all credentials are reset before proceeding.
- this.resetCredentials();
- this._authFailureReason = null;
-
- return this._fxaService.getSignedInUser().then(accountData => {
- if (!accountData) {
- this._log.info("initializeWithCurrentIdentity has no user logged in");
- this.account = null;
- // and we are as ready as we can ever be for auth.
- this._shouldHaveSyncKeyBundle = true;
- this.whenReadyToAuthenticate.reject("no user is logged in");
- return;
- }
-
- this.account = accountData.email;
- this._updateSignedInUser(accountData);
- // The user must be verified before we can do anything at all; we kick
- // this and the rest of initialization off in the background (ie, we
- // don't return the promise)
- this._log.info("Waiting for user to be verified.");
- this._fxaService.whenVerified(accountData).then(accountData => {
- this._updateSignedInUser(accountData);
- this._log.info("Starting fetch for key bundle.");
- if (this.needsCustomization) {
- let data = this.offerSyncOptions();
- if (data.accepted) {
- Services.prefs.clearUserPref(PREF_SYNC_SHOW_CUSTOMIZATION);
-
- // Mark any non-selected engines as declined.
- Weave.Service.engineManager.declineDisabled();
- } else {
- // Log out if the user canceled the dialog.
- return this._fxaService.signOut();
- }
- }
- }).then(() => {
- return this._fetchTokenForUser();
- }).then(token => {
- this._token = token;
- this._shouldHaveSyncKeyBundle = true; // and we should actually have one...
- this.whenReadyToAuthenticate.resolve();
- this._log.info("Background fetch for key bundle done");
- Weave.Status.login = LOGIN_SUCCEEDED;
- if (isInitialSync) {
- this._log.info("Doing initial sync actions");
- Svc.Prefs.set("firstSync", "resetClient");
- Services.obs.notifyObservers(null, "weave:service:setup-complete", null);
- Weave.Utils.nextTick(Weave.Service.sync, Weave.Service);
- }
- }).then(null, err => {
- this._shouldHaveSyncKeyBundle = true; // but we probably don't have one...
- this.whenReadyToAuthenticate.reject(err);
- // report what failed...
- this._log.error("Background fetch for key bundle failed", err);
- });
- // and we are done - the fetch continues on in the background...
- }).then(null, err => {
- this._log.error("Processing logged in account", err);
- });
- },
-
- _updateSignedInUser: function(userData) {
- // This object should only ever be used for a single user. It is an
- // error to update the data if the user changes (but updates are still
- // necessary, as each call may add more attributes to the user).
- // We start with no user, so an initial update is always ok.
- if (this._signedInUser && this._signedInUser.email != userData.email) {
- throw new Error("Attempting to update to a different user.")
- }
- this._signedInUser = userData;
- },
-
- logout: function() {
- // This will be called when sync fails (or when the account is being
- // unlinked etc). It may have failed because we got a 401 from a sync
- // server, so we nuke the token. Next time sync runs and wants an
- // authentication header, we will notice the lack of the token and fetch a
- // new one.
- this._token = null;
- },
-
- observe: function (subject, topic, data) {
- this._log.debug("observed " + topic);
- switch (topic) {
- case fxAccountsCommon.ONLOGIN_NOTIFICATION:
- // This should only happen if we've been initialized without a current
- // user - otherwise we'd have seen the LOGOUT notification and been
- // thrown away.
- // The exception is when we've initialized with a user that needs to
- // reauth with the server - in that case we will also get here, but
- // should have the same identity.
- // initializeWithCurrentIdentity will throw and log if these constraints
- // aren't met, so just go ahead and do the init.
- this.initializeWithCurrentIdentity(true);
- break;
-
- case fxAccountsCommon.ONLOGOUT_NOTIFICATION:
- Weave.Service.startOver();
- // startOver will cause this instance to be thrown away, so there's
- // nothing else to do.
- break;
- }
- },
-
- /**
- * Compute the sha256 of the message bytes. Return bytes.
- */
- _sha256: function(message) {
- let hasher = Cc["@mozilla.org/security/hash;1"]
- .createInstance(Ci.nsICryptoHash);
- hasher.init(hasher.SHA256);
- return CryptoUtils.digestBytes(message, hasher);
- },
-
- /**
- * Compute the X-Client-State header given the byte string kB.
- *
- * Return string: hex(first16Bytes(sha256(kBbytes)))
- */
- _computeXClientState: function(kBbytes) {
- return CommonUtils.bytesAsHex(this._sha256(kBbytes).slice(0, 16), false);
- },
-
- /**
- * Provide override point for testing token expiration.
- */
- _now: function() {
- return this._fxaService.now()
- },
-
- get _localtimeOffsetMsec() {
- return this._fxaService.localtimeOffsetMsec;
- },
-
- usernameFromAccount: function(val) {
- // we don't differentiate between "username" and "account"
- return val;
- },
-
- /**
- * Obtains the HTTP Basic auth password.
- *
- * Returns a string if set or null if it is not set.
- */
- get basicPassword() {
- this._log.error("basicPassword getter should be not used in BrowserIDManager");
- return null;
- },
-
- /**
- * Set the HTTP basic password to use.
- *
- * Changes will not persist unless persistSyncCredentials() is called.
- */
- set basicPassword(value) {
- throw "basicPassword setter should be not used in BrowserIDManager";
- },
-
- /**
- * Obtain the Sync Key.
- *
- * This returns a 26 character "friendly" Base32 encoded string on success or
- * null if no Sync Key could be found.
- *
- * If the Sync Key hasn't been set in this session, this will look in the
- * password manager for the sync key.
- */
- get syncKey() {
- if (this.syncKeyBundle) {
- // TODO: This is probably fine because the code shouldn't be
- // using the sync key directly (it should use the sync key
- // bundle), but I don't like it. We should probably refactor
- // code that is inspecting this to not do validation on this
- // field directly and instead call a isSyncKeyValid() function
- // that we can override.
- return "99999999999999999999999999";
- }
- else {
- return null;
- }
- },
-
- set syncKey(value) {
- throw "syncKey setter should be not used in BrowserIDManager";
- },
-
- get syncKeyBundle() {
- return this._syncKeyBundle;
- },
-
- /**
- * Resets/Drops all credentials we hold for the current user.
- */
- resetCredentials: function() {
- this.resetSyncKey();
- this._token = null;
- },
-
- /**
- * Resets/Drops the sync key we hold for the current user.
- */
- resetSyncKey: function() {
- this._syncKey = null;
- this._syncKeyBundle = null;
- this._syncKeyUpdated = true;
- this._shouldHaveSyncKeyBundle = false;
- },
-
- /**
- * Pre-fetches any information that might help with migration away from this
- * identity. Called after every sync and is really just an optimization that
- * allows us to avoid a network request for when we actually need the
- * migration info.
- */
- prefetchMigrationSentinel: function(service) {
- // nothing to do here until we decide to migrate away from FxA.
- },
-
- /**
- * Return credentials hosts for this identity only.
- */
- _getSyncCredentialsHosts: function() {
- return Utils.getSyncCredentialsHostsFxA();
- },
-
- /**
- * The current state of the auth credentials.
- *
- * This essentially validates that enough credentials are available to use
- * Sync. It doesn't check we have all the keys we need as the master-password
- * may have been locked when we tried to get them - we rely on
- * unlockAndVerifyAuthState to check that for us.
- */
- get currentAuthState() {
- if (this._authFailureReason) {
- this._log.info("currentAuthState returning " + this._authFailureReason +
- " due to previous failure");
- return this._authFailureReason;
- }
- // TODO: need to revisit this. Currently this isn't ready to go until
- // both the username and syncKeyBundle are both configured and having no
- // username seems to make things fail fast so that's good.
- if (!this.username) {
- return LOGIN_FAILED_NO_USERNAME;
- }
-
- return STATUS_OK;
- },
-
- // Do we currently have keys, or do we have enough that we should be able
- // to successfully fetch them?
- _canFetchKeys: function() {
- let userData = this._signedInUser;
- // a keyFetchToken means we can almost certainly grab them.
- // kA and kB means we already have them.
- return userData && (userData.keyFetchToken || (userData.kA && userData.kB));
- },
-
- /**
- * Verify the current auth state, unlocking the master-password if necessary.
- *
- * Returns a promise that resolves with the current auth state after
- * attempting to unlock.
- */
- unlockAndVerifyAuthState: function() {
- if (this._canFetchKeys()) {
- log.debug("unlockAndVerifyAuthState already has (or can fetch) sync keys");
- return Promise.resolve(STATUS_OK);
- }
- // so no keys - ensure MP unlocked.
- if (!Utils.ensureMPUnlocked()) {
- // user declined to unlock, so we don't know if they are stored there.
- log.debug("unlockAndVerifyAuthState: user declined to unlock master-password");
- return Promise.resolve(MASTER_PASSWORD_LOCKED);
- }
- // now we are unlocked we must re-fetch the user data as we may now have
- // the details that were previously locked away.
- return this._fxaService.getSignedInUser().then(
- accountData => {
- this._updateSignedInUser(accountData);
- // If we still can't get keys it probably means the user authenticated
- // without unlocking the MP or cleared the saved logins, so we've now
- // lost them - the user will need to reauth before continuing.
- let result = this._canFetchKeys() ? STATUS_OK : LOGIN_FAILED_LOGIN_REJECTED;
- log.debug("unlockAndVerifyAuthState re-fetched credentials and is returning", result);
- return result;
- }
- );
- },
-
- /**
- * Do we have a non-null, not yet expired token for the user currently
- * signed in?
- */
- hasValidToken: function() {
- // If pref is set to ignore cached authentication credentials for debugging,
- // then return false to force the fetching of a new token.
- let ignoreCachedAuthCredentials = false;
- try {
- ignoreCachedAuthCredentials = Svc.Prefs.get("debug.ignoreCachedAuthCredentials");
- } catch(e) {
- // Pref doesn't exist
- }
- if (ignoreCachedAuthCredentials) {
- return false;
- }
- if (!this._token) {
- return false;
- }
- if (this._token.expiration < this._now()) {
- return false;
- }
- return true;
- },
-
- // Refresh the sync token for our user. Returns a promise that resolves
- // with a token (which may be null in one sad edge-case), or rejects with an
- // error.
- _fetchTokenForUser: function() {
- let tokenServerURI = Svc.Prefs.get("tokenServerURI");
- if (tokenServerURI.endsWith("/")) { // trailing slashes cause problems...
- tokenServerURI = tokenServerURI.slice(0, -1);
- }
- let log = this._log;
- let client = this._tokenServerClient;
- let fxa = this._fxaService;
- let userData = this._signedInUser;
-
- // We need kA and kB for things to work. If we don't have them, just
- // return null for the token - sync calling unlockAndVerifyAuthState()
- // before actually syncing will setup the error states if necessary.
- if (!this._canFetchKeys()) {
- log.info("Unable to fetch keys (master-password locked?), so aborting token fetch");
- return Promise.resolve(null);
- }
-
- let maybeFetchKeys = () => {
- // This is called at login time and every time we need a new token - in
- // the latter case we already have kA and kB, so optimise that case.
- if (userData.kA && userData.kB) {
- return;
- }
- log.info("Fetching new keys");
- return this._fxaService.getKeys().then(
- newUserData => {
- userData = newUserData;
- this._updateSignedInUser(userData); // throws if the user changed.
- }
- );
- }
-
- let getToken = (tokenServerURI, assertion) => {
- log.debug("Getting a token");
- let deferred = Promise.defer();
- let cb = function (err, token) {
- if (err) {
- return deferred.reject(err);
- }
- log.debug("Successfully got a sync token");
- return deferred.resolve(token);
- };
-
- let kBbytes = CommonUtils.hexToBytes(userData.kB);
- let headers = {"X-Client-State": this._computeXClientState(kBbytes)};
- client.getTokenFromBrowserIDAssertion(tokenServerURI, assertion, cb, headers);
- return deferred.promise;
- }
-
- let getAssertion = () => {
- log.info("Getting an assertion from", tokenServerURI);
- let audience = Services.io.newURI(tokenServerURI, null, null).prePath;
- return fxa.getAssertion(audience);
- };
-
- // wait until the account email is verified and we know that
- // getAssertion() will return a real assertion (not null).
- return fxa.whenVerified(this._signedInUser)
- .then(() => maybeFetchKeys())
- .then(() => getAssertion())
- .then(assertion => getToken(tokenServerURI, assertion))
- .then(token => {
- // TODO: Make it be only 80% of the duration, so refresh the token
- // before it actually expires. This is to avoid sync storage errors
- // otherwise, we get a nasty notification bar briefly. Bug 966568.
- token.expiration = this._now() + (token.duration * 1000) * 0.80;
- if (!this._syncKeyBundle) {
- // We are given kA/kB as hex.
- this._syncKeyBundle = deriveKeyBundle(Utils.hexToBytes(userData.kB));
- }
- return token;
- })
- .then(null, err => {
- // TODO: unify these errors - we need to handle errors thrown by
- // both tokenserverclient and hawkclient.
- // A tokenserver error thrown based on a bad response.
- if (err.response && err.response.status === 401) {
- err = new AuthenticationError(err);
- // A hawkclient error.
- } else if (err.code && err.code === 401) {
- err = new AuthenticationError(err);
- }
-
- // TODO: write tests to make sure that different auth error cases are handled here
- // properly: auth error getting assertion, auth error getting token (invalid generation
- // and client-state error)
- if (err instanceof AuthenticationError) {
- this._log.error("Authentication error in _fetchTokenForUser", err);
- // set it to the "fatal" LOGIN_FAILED_LOGIN_REJECTED reason.
- this._authFailureReason = LOGIN_FAILED_LOGIN_REJECTED;
- } else {
- this._log.error("Non-authentication error in _fetchTokenForUser", err);
- // for now assume it is just a transient network related problem
- // (although sadly, it might also be a regular unhandled exception)
- this._authFailureReason = LOGIN_FAILED_NETWORK_ERROR;
- }
- // this._authFailureReason being set to be non-null in the above if clause
- // ensures we are in the correct currentAuthState, and
- // this._shouldHaveSyncKeyBundle being true ensures everything that cares knows
- // that there is no authentication dance still under way.
- this._shouldHaveSyncKeyBundle = true;
- Weave.Status.login = this._authFailureReason;
- Services.obs.notifyObservers(null, "weave:ui:login:error", null);
- throw err;
- });
- },
-
- // Returns a promise that is resolved when we have a valid token for the
- // current user stored in this._token. When resolved, this._token is valid.
- _ensureValidToken: function() {
- if (this.hasValidToken()) {
- this._log.debug("_ensureValidToken already has one");
- return Promise.resolve();
- }
- // reset this._token as a safety net to reduce the possibility of us
- // repeatedly attempting to use an invalid token if _fetchTokenForUser throws.
- this._token = null;
- return this._fetchTokenForUser().then(
- token => {
- this._token = token;
- }
- );
- },
-
- getResourceAuthenticator: function () {
- return this._getAuthenticationHeader.bind(this);
- },
-
- /**
- * Obtain a function to be used for adding auth to RESTRequest instances.
- */
- getRESTRequestAuthenticator: function() {
- return this._addAuthenticationHeader.bind(this);
- },
-
- /**
- * @return a Hawk HTTP Authorization Header, lightly wrapped, for the .uri
- * of a RESTRequest or AsyncResponse object.
- */
- _getAuthenticationHeader: function(httpObject, method) {
- let cb = Async.makeSpinningCallback();
- this._ensureValidToken().then(cb, cb);
- try {
- cb.wait();
- } catch (ex) {
- this._log.error("Failed to fetch a token for authentication", ex);
- return null;
- }
- if (!this._token) {
- return null;
- }
- let credentials = {algorithm: "sha256",
- id: this._token.id,
- key: this._token.key,
- };
- method = method || httpObject.method;
-
- // Get the local clock offset from the Firefox Accounts server. This should
- // be close to the offset from the storage server.
- let options = {
- now: this._now(),
- localtimeOffsetMsec: this._localtimeOffsetMsec,
- credentials: credentials,
- };
-
- let headerValue = CryptoUtils.computeHAWK(httpObject.uri, method, options);
- return {headers: {authorization: headerValue.field}};
- },
-
- _addAuthenticationHeader: function(request, method) {
- let header = this._getAuthenticationHeader(request, method);
- if (!header) {
- return null;
- }
- request.setHeader("authorization", header.headers.authorization);
- return request;
- },
-
- createClusterManager: function(service) {
- return new BrowserIDClusterManager(service);
- }
-
-};
-
-/* An implementation of the ClusterManager for this identity
- */
-
-function BrowserIDClusterManager(service) {
- ClusterManager.call(this, service);
-}
-
-BrowserIDClusterManager.prototype = {
- __proto__: ClusterManager.prototype,
-
- _findCluster: function() {
- let endPointFromIdentityToken = function() {
- // The only reason (in theory ;) that we can end up with a null token
- // is when this.identity._canFetchKeys() returned false. In turn, this
- // should only happen if the master-password is locked or the credentials
- // storage is screwed, and in those cases we shouldn't have started
- // syncing so shouldn't get here anyway.
- // But better safe than sorry! To keep things clearer, throw an explicit
- // exception - the message will appear in the logs and the error will be
- // treated as transient.
- if (!this.identity._token) {
- throw new Error("Can't get a cluster URL as we can't fetch keys.");
- }
- let endpoint = this.identity._token.endpoint;
- // For Sync 1.5 storage endpoints, we use the base endpoint verbatim.
- // However, it should end in "/" because we will extend it with
- // well known path components. So we add a "/" if it's missing.
- if (!endpoint.endsWith("/")) {
- endpoint += "/";
- }
- log.debug("_findCluster returning " + endpoint);
- return endpoint;
- }.bind(this);
-
- // Spinningly ensure we are ready to authenticate and have a valid token.
- let promiseClusterURL = function() {
- return this.identity.whenReadyToAuthenticate.promise.then(
- () => {
- // We need to handle node reassignment here. If we are being asked
- // for a clusterURL while the service already has a clusterURL, then
- // it's likely a 401 was received using the existing token - in which
- // case we just discard the existing token and fetch a new one.
- if (this.service.clusterURL) {
- log.debug("_findCluster found existing clusterURL, so discarding the current token");
- this.identity._token = null;
- }
- return this.identity._ensureValidToken();
- }
- ).then(endPointFromIdentityToken
- );
- }.bind(this);
-
- let cb = Async.makeSpinningCallback();
- promiseClusterURL().then(function (clusterURL) {
- cb(null, clusterURL);
- }).then(
- null, err => {
- log.info("Failed to fetch the cluster URL", err);
- // service.js's verifyLogin() method will attempt to fetch a cluster
- // URL when it sees a 401. If it gets null, it treats it as a "real"
- // auth error and sets Status.login to LOGIN_FAILED_LOGIN_REJECTED, which
- // in turn causes a notification bar to appear informing the user they
- // need to re-authenticate.
- // On the other hand, if fetching the cluster URL fails with an exception,
- // verifyLogin() assumes it is a transient error, and thus doesn't show
- // the notification bar under the assumption the issue will resolve
- // itself.
- // Thus:
- // * On a real 401, we must return null.
- // * On any other problem we must let an exception bubble up.
- if (err instanceof AuthenticationError) {
- // callback with no error and a null result - cb.wait() returns null.
- cb(null, null);
- } else {
- // callback with an error - cb.wait() completes by raising an exception.
- cb(err);
- }
- });
- return cb.wait();
- },
-
- getUserBaseURL: function() {
- // Legacy Sync and FxA Sync construct the userBaseURL differently. Legacy
- // Sync appends path components onto an empty path, and in FxA Sync the
- // token server constructs this for us in an opaque manner. Since the
- // cluster manager already sets the clusterURL on Service and also has
- // access to the current identity, we added this functionality here.
- return this.service.clusterURL;
- }
-}
diff --git a/services/sync/modules/identity.js b/services/sync/modules/identity.js
index f89ffca47..795901f89 100644
--- a/services/sync/modules/identity.js
+++ b/services/sync/modules/identity.js
@@ -22,8 +22,7 @@ for (let symbol of ["BulkKeyBundle", "SyncKeyBundle"]) {
}
/**
- * Manages "legacy" identity and authentication for Sync.
- * See browserid_identity for the Firefox Accounts based identity manager.
+ * Manages identity and authentication for Sync.
*
* The following entities are managed:
*
diff --git a/services/sync/moz.build b/services/sync/moz.build
index 36607ec80..ceb4eb502 100644
--- a/services/sync/moz.build
+++ b/services/sync/moz.build
@@ -19,7 +19,6 @@ EXTRA_PP_COMPONENTS += [
EXTRA_JS_MODULES['services-sync'] += [
'modules/addonsreconciler.js',
'modules/addonutils.js',
- 'modules/browserid_identity.js',
'modules/engines.js',
'modules/identity.js',
'modules/jpakeclient.js',