Add a way to specify emulator host/port for Auth

packages/auth/buildtools/run_demo.sh

@@ -34,4 +34,4 @@ cp ../firebase/firebase-auth.js demo/public/dist/firebase-auth.js
 cp ../firebase/firebase-database.js demo/public/dist/firebase-database.js
 # Serve demo app.
 cd demo
-`yarn bin`/firebase serve --only hosting,functions
+`yarn bin`/firebase emulators:start

packages/auth/src/auth.js

@@ -184,6 +184,12 @@ fireauth.Auth = function(app) {
    *     is currently only used to log FirebaseUI.
    */
   this.frameworks_ = [];
+
+  /**
+   * @private {?fireauth.constants.EmulatorSettings} The current
+   *     emulator settings.
+   */
+  this.emulatorConfig_ = null;
 };
 goog.inherits(fireauth.Auth, goog.events.EventTarget);
 
@@ -202,6 +208,20 @@ fireauth.Auth.LanguageCodeChangeEvent = function(languageCode) {
 goog.inherits(fireauth.Auth.LanguageCodeChangeEvent, goog.events.Event);
 
 
+/**
+ * Emulator config change custom event.
+ * @param {?fireauth.constants.EmulatorSettings} emulatorConfig The new
+ *     emulator settings.
+ * @constructor
+ * @extends {goog.events.Event}
+ */
+fireauth.Auth.EmulatorConfigChangeEvent = function(emulatorConfig) {
+  goog.events.Event.call(this, fireauth.constants.AuthEventType.EMULATOR_CONFIG_CHANGED);
+  this.emulatorConfig = emulatorConfig;
+};
+goog.inherits(fireauth.Auth.EmulatorConfigChangeEvent, goog.events.Event);
+
+
 /**
  * Framework change custom event.
  * @param {!Array<string>} frameworks The new frameworks array.
@@ -272,6 +292,34 @@ fireauth.Auth.prototype.useDeviceLanguage = function() {
 };
 
 
+/**
+ * Sets the emulator configuration (go/firebase-emulator-connection-api).
+ * @param {string} hostname The hostname for the Auth emulator.
+ * @param {number} port The port for the Auth emulator.
+ */
+fireauth.Auth.prototype.useEmulator = function(hostname, port) {
+  // Don't do anything if no change detected.
+  if (!this.emulatorConfig_ ||
+    hostname !== this.emulatorConfig_.hostname ||
+    port !== this.emulatorConfig_.port) {
+    this.emulatorConfig_ = { hostname: hostname, port: port };
+    // Disable app verification.
+    this.settings_().setAppVerificationDisabledForTesting(true);
+    // Update custom Firebase locale field.
+    this.rpcHandler_.updateEmulatorConfig(this.emulatorConfig_);
+    // Notify external language code change listeners.
+    this.notifyEmulatorConfigListeners_();
+  }
+}
+
+/**
+ * @return {?fireauth.constants.EmulatorSettings}
+ */
+fireauth.Auth.prototype.getEmulatorConfig = function () {
+  return this.emulatorConfig_;
+}
+
+
 /**
  * @param {string} frameworkId The framework identifier.
  */
@@ -396,7 +444,15 @@ fireauth.Auth.prototype.notifyLanguageCodeListeners_ = function() {
 };
 
 
-
+/**
+ * Notifies all external listeners of the emulator config change.
+ * @private
+ */
+fireauth.Auth.prototype.notifyEmulatorConfigListeners_ = function() {
+  // Notify external listeners on the language code change.
+  this.dispatchEvent(
+    new fireauth.Auth.EmulatorConfigChangeEvent(this.emulatorConfig_));
+}
 
 
 /**
@@ -449,7 +505,10 @@ fireauth.Auth.prototype.initAuthEventManager_ = function() {
       // By this time currentUser should be ready if available and will be able
       // to resolve linkWithRedirect if detected.
       self.authEventManager_ = fireauth.AuthEventManager.getManager(
-          authDomain, apiKey, self.app_().name);
+        authDomain,
+        apiKey,
+        self.app_().name,
+        self.emulatorConfig_);
       // Subscribe Auth instance.
       self.authEventManager_.subscribe(self);
       // Subscribe current user by enabling popup and redirect on that user.
@@ -471,7 +530,10 @@ fireauth.Auth.prototype.initAuthEventManager_ = function() {
             /** @type {!fireauth.AuthUser} */ (self.redirectUser_));
         // Set the user Firebase frameworks for the redirect user.
         self.setUserFramework_(
-            /** @type {!fireauth.AuthUser} */ (self.redirectUser_));
+            /** @type {!fireauth.AuthUser} */(self.redirectUser_));
+        // Set the user Emulator configuration for the redirect user.
+        self.setUserEmulatorConfig_(
+            /** @type {!fireauth.AuthUser} */(self.redirectUser_));
         // Reference to redirect user no longer needed.
         self.redirectUser_ = null;
       }
@@ -650,7 +712,8 @@ fireauth.Auth.prototype.signInWithPopup = function(provider) {
             firebase.SDK_VERSION || null,
             null,
             null,
-            this.getTenantId());
+            this.getTenantId(),
+            this.emulatorConfig_);
   }
   // The popup must have a name, otherwise when successive popups are triggered
   // they will all render in the same instance and none will succeed since the
@@ -856,6 +919,7 @@ fireauth.Auth.prototype.signInWithIdTokenResponse =
   options['apiKey'] = self.app_().options['apiKey'];
   options['authDomain'] = self.app_().options['authDomain'];
   options['appName'] = self.app_().name;
+  options['emulatorConfig'] = self.emulatorConfig_;
   // Wait for state to be ready.
   // This is used internally and is also used for redirect sign in so there is
   // no need for waiting for redirect result to resolve since redirect result
@@ -911,6 +975,9 @@ fireauth.Auth.prototype.setCurrentUser_ = function(user) {
     // Set the current frameworks used on the user and set current Auth instance
     // as the framework change dispatcher.
     this.setUserFramework_(user);
+    // If a user is available, set the emulator config on it and set current
+    // Auth instance as emulator config change dispatcher.
+    this.setUserEmulatorConfig_(user);
   }
 };
 
@@ -1179,6 +1246,22 @@ fireauth.Auth.prototype.setUserLanguage_ = function(user) {
 };
 
 
+/**
+ * Updates the emulator config on the provided user and configures the user
+ *   to listen to the Auth instance for any emulator config changes.
+ * @param {!fireauth.AuthUser} user The user to whose emulator config needs
+ *   to be set.
+ * @private
+ */
+fireauth.Auth.prototype.setUserEmulatorConfig_ = function(user) {
+  // Sets the current emulator config on the user.
+  user.setEmulatorConfig(this.emulatorConfig_);
+  // Sets current Auth instance as emulator config change dispatcher on the
+  // user.
+  user.setEmulatorConfigChangeDispatcher(this);
+}
+
+
 /**
  * Handles user state changes.
  * @param {!fireauth.AuthUser} user The user which triggered the state changes.
@@ -1679,6 +1762,17 @@ fireauth.Auth.prototype.app_ = function() {
 };
 
 
+
+/**
+ * @return {!fireauth.AuthSettings} The AuthSettings object this auth object
+ *   is connected to.
+ * @private
+ */
+fireauth.Auth.prototype.settings_ = function() {
+  return this['settings'];
+}
+
+
 /**
  * @return {!fireauth.RpcHandler} The RPC handler.
  */

packages/auth/src/autheventmanager.js

@@ -47,9 +47,11 @@ goog.require('goog.array');
  * @param {string} apiKey The API key for sending backend Auth requests.
  * @param {string} appName The App ID for the Auth instance that triggered this
  *     request.
+ *  @param {?fireauth.constants.EmulatorSettings=} emulatorConfig The emulator
+ *     configuration.
  * @constructor
  */
-fireauth.AuthEventManager = function(authDomain, apiKey, appName) {
+fireauth.AuthEventManager = function(authDomain, apiKey, appName, emulatorConfig) {
   /**
    * @private {!Object<string, boolean>} The map of processed auth event IDs.
    */
@@ -62,6 +64,8 @@ fireauth.AuthEventManager = function(authDomain, apiKey, appName) {
   this.apiKey_ = apiKey;
   /** @private {string} The App name. */
   this.appName_ = appName;
+  /** @private @const {?fireauth.constants.EmulatorSettings|undefined} The emulator config. */
+  this.emulatorConfig_ = emulatorConfig;
   /**
    * @private {!Array<!fireauth.AuthEventHandler>} List of subscribed handlers.
    */
@@ -111,9 +115,12 @@ fireauth.AuthEventManager = function(authDomain, apiKey, appName) {
    */
   this.oauthSignInHandler_ =
       fireauth.AuthEventManager.instantiateOAuthSignInHandler(
-          this.authDomain_, this.apiKey_, this.appName_,
-          firebase.SDK_VERSION || null,
-          fireauth.constants.clientEndpoint);
+        this.authDomain_,
+        this.apiKey_,
+        this.appName_,
+        firebase.SDK_VERSION || null,
+        fireauth.constants.clientEndpoint,
+        this.emulatorConfig_);
 };
 
 
@@ -149,22 +156,35 @@ fireauth.AuthEventManager.prototype.getPopupAuthEventProcessor = function() {
  *     request.
  * @param {?string} version The SDK client version.
  * @param {?string=} opt_endpointId The endpoint ID (staging, test Gaia, etc).
+ *  @param {?fireauth.constants.EmulatorSettings=} emulatorConfig The emulator
+ *     configuration.
  * @return {!fireauth.OAuthSignInHandler} The OAuth sign in handler depending
  *     on the current environment.
  */
 fireauth.AuthEventManager.instantiateOAuthSignInHandler =
-    function(authDomain, apiKey, appName, version, opt_endpointId) {
+    function(authDomain, apiKey, appName, version, opt_endpointId, emulatorConfig) {
   // This assumes that android/iOS file environment must be a Cordova
   // environment which is not true. This is the best way currently available
   // to instantiate this synchronously without waiting for checkIfCordova to
   // resolve. If it is determined that the Cordova was falsely detected, it will
   // be caught via actionable public popup and redirect methods.
   return fireauth.util.isAndroidOrIosCordovaScheme() ?
       new fireauth.CordovaHandler(
-          authDomain, apiKey, appName, version, undefined, undefined,
-          opt_endpointId) :
+        authDomain,
+        apiKey,
+        appName,
+        version,
+        undefined,
+        undefined,
+        opt_endpointId,
+        emulatorConfig) :
       new fireauth.iframeclient.IfcHandler(
-          authDomain, apiKey, appName, version, opt_endpointId);
+        authDomain,
+        apiKey,
+        appName,
+        version,
+        opt_endpointId,
+        emulatorConfig);
 };
 
 
@@ -179,8 +199,12 @@ fireauth.AuthEventManager.prototype.reset = function() {
 
   this.oauthSignInHandler_ =
       fireauth.AuthEventManager.instantiateOAuthSignInHandler(
-          this.authDomain_, this.apiKey_, this.appName_,
-          firebase.SDK_VERSION || null);
+        this.authDomain_,
+        this.apiKey_,
+        this.appName_,
+        firebase.SDK_VERSION || null,
+        null,
+        this.emulatorConfig_);
   this.processedEvents_ = {};
 };
 
@@ -662,14 +686,16 @@ fireauth.AuthEventManager.getKey_ = function(apiKey, appName) {
  * @param {string} apiKey The API key for sending backend Auth requests.
  * @param {string} appName The Auth instance that initiated the Auth event
  *     manager.
+ * @param {?fireauth.constants.EmulatorSettings=} emulatorConfig The emulator
+ *     configuration.
  * @return {!fireauth.AuthEventManager} the requested manager instance.
  */
-fireauth.AuthEventManager.getManager = function(authDomain, apiKey, appName) {
+fireauth.AuthEventManager.getManager = function(authDomain, apiKey, appName, emulatorConfig) {
   // Construct storage key.
   var key = fireauth.AuthEventManager.getKey_(apiKey, appName);
   if (!fireauth.AuthEventManager.manager_[key]) {
     fireauth.AuthEventManager.manager_[key] =
-        new fireauth.AuthEventManager(authDomain, apiKey, appName);
+        new fireauth.AuthEventManager(authDomain, apiKey, appName, emulatorConfig);
   }
   return fireauth.AuthEventManager.manager_[key];
 };

packages/auth/src/authuser.js

@@ -182,7 +182,10 @@ fireauth.AuthUser =
       this.apiKey_,
       // Get the client Auth endpoint used.
       fireauth.constants.getEndpointConfig(fireauth.constants.clientEndpoint),
-      clientFullVersion);
+    clientFullVersion);
+  if (appOptions['emulatorConfig']) {
+    this.rpcHandler_.updateEmulatorConfig(appOptions['emulatorConfig']);
+  }
   // TODO: Consider having AuthUser take a fireauth.StsTokenManager
   // instance instead of a token response but make sure lastAccessToken_ also
   // initialized at the right time. In this case initializeFromIdTokenResponse
@@ -249,6 +252,20 @@ fireauth.AuthUser =
    */
   this.languageCodeChangeEventDispatcher_ = null;
 
+  /**
+   * @private {function(!goog.events.Event)} The on emulator config changed
+   *     event handler.
+   */
+  this.onEmulatorConfigChanged_ = function (event) {
+    // Update the emulator config.
+    self.setEmulatorConfig(event.emulatorConfig);
+  };
+  /**
+   * @private {?goog.events.EventTarget} The emulator code change event
+   *     dispatcher.
+   */
+  this.emulatorConfigChangeEventDispatcher_ = null;
+
   /** @private {!Array<string>} The current Firebase frameworks. */
   this.frameworks_ = [];
   /**
@@ -288,6 +305,17 @@ fireauth.AuthUser.prototype.setLanguageCode = function(languageCode) {
 };
 
 
+/**
+ * Updates the emulator config.
+ * @param {?fireauth.constants.EmulatorSettings} emulatorConfig The current
+ *     emulator config to use in user requests.
+ */
+fireauth.AuthUser.prototype.setEmulatorConfig = function(emulatorConfig) {
+  // Update the emulator config.
+  this.rpcHandler_.updateEmulatorConfig(emulatorConfig);
+};
+
+
 /** @return {?string} The current user's language code. */
 fireauth.AuthUser.prototype.getLanguageCode = function() {
   return this.languageCode_;
@@ -322,6 +350,32 @@ fireauth.AuthUser.prototype.setLanguageCodeChangeDispatcher =
 };
 
 
+/**
+* Listens to emulator config changes triggered by the provided dispatcher.
+* @param {?goog.events.EventTarget} dispatcher The emulator config changed
+*     event dispatcher.
+*/
+fireauth.AuthUser.prototype.setEmulatorConfigChangeDispatcher = function(dispatcher) {
+  // Remove any previous listener.
+  if (this.emulatorConfigChangeEventDispatcher_) {
+    goog.events.unlisten(
+      this.emulatorConfigChangeEventDispatcher_,
+      fireauth.constants.AuthEventType.EMULATOR_CONFIG_CHANGED,
+      this.onEmulatorConfigChanged_);
+  }
+  // Update current dispatcher.
+  this.emulatorConfigChangeEventDispatcher_ = dispatcher;
+  // Using an event listener makes it easy for non-currentUsers to detect
+  // emulator changes on the parent Auth instance. A developer could still
+  // call APIs that require localization on signed out user references.
+  if (dispatcher) {
+    goog.events.listen(
+      dispatcher, fireauth.constants.AuthEventType.EMULATOR_CONFIG_CHANGED,
+      this.onEmulatorConfigChanged_);
+  }
+}
+
+
 /**
  * Updates the Firebase frameworks on the current user.
  * @param {!Array<string>} framework The list of Firebase frameworks.
@@ -1043,7 +1097,8 @@ fireauth.AuthUser.prototype.notifyUserInvalidatedListeners_ = function() {
  * @return {!goog.Promise<undefined>}
  * @private
  */
-fireauth.AuthUser.prototype.setUserAccountInfoFromToken_ = function(idToken) {
+fireauth.AuthUser.prototype.setUserAccountInfoFromToken_ = function (idToken) {
+  debugger
   return this.rpcHandler_.getAccountInfoByIdToken(idToken)
       .then(goog.bind(this.parseAccountInfo_, this));
 };
@@ -2176,6 +2231,8 @@ fireauth.AuthUser.prototype.destroy = function() {
   }
   // Stop listening to language code changes.
   this.setLanguageCodeChangeDispatcher(null);
+  // Stop listening to emulator config changes.
+  this.setEmulatorConfigChangeDispatcher(null);
   // Stop listening to framework changes.
   this.setFrameworkChangeDispatcher(null);
   // Empty pending promises array.