[Anonymous signin]: Adding anonymously signin on android and IOS firebase native modules.

Author: jbesse

android/src/main/java/io/fullstack/firestack/FirestackAuth.java

@@ -143,22 +143,43 @@ public void signInWithProvider(final String provider, final String authToken, fi
       FirestackUtils.todoNote(TAG, "signInWithProvider", callback);
     }
 
+    @ReactMethod
+    public void signInAnonymously(final Callback callback) {
+        mAuth = FirebaseAuth.getInstance();
+
+        mAuth.signInAnonymously()
+                .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+                        Log.d(TAG, "signInAnonymously:onComplete:" + task.isSuccessful());
+
+                        if (task.isSuccessful()) {
+                            user = task.getResult().getUser();
+                            userCallback(user, callback);
+                        }else{
+                            userErrorCallback(task, callback);
+                        }
+                    }
+                });
+
+    }
+
     @ReactMethod
     public void signInWithCustomToken(final String customToken, final Callback callback) {
       mAuth = FirebaseAuth.getInstance();
 
       mAuth.signInWithCustomToken(customToken)
         .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
-          @Override
-          public void onComplete(@NonNull Task<AuthResult> task) {
-            Log.d(TAG, "signInWithCustomToken:onComplete:" + task.isSuccessful());
-            if (task.isSuccessful()) {
-              user = task.getResult().getUser();
-              userCallback(user, callback);
-            } else {
-              userErrorCallback(task, callback);
+            @Override
+            public void onComplete(@NonNull Task<AuthResult> task) {
+                Log.d(TAG, "signInWithCustomToken:onComplete:" + task.isSuccessful());
+                if (task.isSuccessful()) {
+                    user = task.getResult().getUser();
+                    userCallback(user, callback);
+                } else {
+                    userErrorCallback(task, callback);
+                }
             }
-          }
         });
     }
 

ios/Firestack/FirestackAuth.m

@@ -16,14 +16,35 @@ @implementation FirestackAuth
 
 RCT_EXPORT_MODULE(FirestackAuth);
 
+RCT_EXPORT_METHOD(signInAnonymously:
+                  (RCTResponseSenderBlock) callBack)
+{
+
+    [[FIRAuth auth] signInAnonymouslyWithCompletion
+     :^(FIRUser *user, NSError *error) {
+         if (!user) {
+             NSDictionary *evt = @{
+                                   @"eventName": @"SignInAnonymouslyError",
+                                   @"msg": [error localizedFailureReason]
+                                   };
+
+             [self sendJSEvent:AUTH_CHANGED_EVENT props: evt];
+             callBack(@[evt]);
+             return;
+         }
+         NSDictionary *userProps = [self userPropsFromFIRUser:user];
+         callBack(@[[NSNull null], userProps]);
+     }];
+}
+
 RCT_EXPORT_METHOD(signInWithCustomToken:
                   (NSString *)customToken
                   callback:(RCTResponseSenderBlock) callback)
 {
     [[FIRAuth auth]
      signInWithCustomToken:customToken
      completion:^(FIRUser *user, NSError *error) {
-         
+
          if (user != nil) {
              NSDictionary *userProps = [self userPropsFromFIRUser:user];
              callback(@[[NSNull null], userProps]);
@@ -52,7 +73,7 @@ @implementation FirestackAuth
                               };
         return callback(@[err]);
     }
-    
+
     @try {
         [[FIRAuth auth] signInWithCredential:credential
                                   completion:^(FIRUser *user, NSError *error) {
@@ -98,7 +119,7 @@ @implementation FirestackAuth
     self->authListenerHandle =
     [[FIRAuth auth] addAuthStateDidChangeListener:^(FIRAuth *_Nonnull auth,
                                                     FIRUser *_Nullable user) {
-        
+
         if (user != nil) {
             // User is signed in.
             [self userPropsFromFIRUserWithToken:user
@@ -146,7 +167,7 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(getCurrentUser:(RCTResponseSenderBlock)callback)
 {
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     if (user != nil) {
         NSDictionary *userProps = [self userPropsFromFIRUser:user];
         callback(@[[NSNull null], userProps]);
@@ -191,7 +212,7 @@ @implementation FirestackAuth
                          completion:^(FIRUser *user, NSError *error) {
                              if (user != nil) {
                                  NSDictionary *userProps = [self userPropsFromFIRUser:user];
-                                 
+
                                  callback(@[[NSNull null], @{
                                                 @"user": userProps
                                                 }]);
@@ -209,7 +230,7 @@ @implementation FirestackAuth
                   callback:(RCTResponseSenderBlock) callback)
 {
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user updateEmail:email completion:^(NSError *_Nullable error) {
         if (error) {
             // An error happened.
@@ -229,9 +250,9 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(updateUserPassword:(NSString *)newPassword
                   callback:(RCTResponseSenderBlock) callback)
 {
-    
+
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user updatePassword:newPassword completion:^(NSError *_Nullable error) {
         if (error) {
             // An error happened.
@@ -251,7 +272,7 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(sendPasswordResetWithEmail:(NSString *)email
                   callback:(RCTResponseSenderBlock) callback)
 {
-    
+
     [[FIRAuth auth] sendPasswordResetWithEmail:email
                                     completion:^(NSError *_Nullable error) {
                                         if (error) {
@@ -273,7 +294,7 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(deleteUser:(RCTResponseSenderBlock) callback)
 {
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user deleteWithCompletion:^(NSError *_Nullable error) {
         if (error) {
             NSDictionary *err =
@@ -290,7 +311,7 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(getToken:(RCTResponseSenderBlock) callback)
 {
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user getTokenWithCompletion:^(NSString *token, NSError *_Nullable error) {
         if (error) {
             NSDictionary *err =
@@ -308,7 +329,7 @@ @implementation FirestackAuth
 RCT_EXPORT_METHOD(getTokenWithCompletion:(RCTResponseSenderBlock) callback)
 {
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user getTokenWithCompletion:^(NSString *token , NSError *_Nullable error) {
         if (error) {
             NSDictionary *err =
@@ -338,9 +359,9 @@ @implementation FirestackAuth
                               };
         return callback(@[err]);
     }
-    
+
     FIRUser *user = [FIRAuth auth].currentUser;
-    
+
     [user reauthenticateWithCredential:credential completion:^(NSError *_Nullable error) {
         if (error) {
             NSDictionary *err =
@@ -360,7 +381,7 @@ @implementation FirestackAuth
 {
     FIRUser *user = [FIRAuth auth].currentUser;
     FIRUserProfileChangeRequest *changeRequest = [user profileChangeRequest];
-    
+
     NSMutableArray *allKeys = [[userProps allKeys] mutableCopy];
     for (NSString *key in allKeys) {
         // i.e. changeRequest.displayName = userProps[displayName];
@@ -405,12 +426,12 @@ - (NSDictionary *) userPropsFromFIRUser:(FIRUser *) user
                                         @"refreshToken": user.refreshToken,
                                         @"providerID": user.providerID
                                         } mutableCopy];
-    
+
     if ([user valueForKey:@"photoURL"] != nil) {
         [userProps setValue: [NSString stringWithFormat:@"%@", user.photoURL]
                      forKey:@"photoURL"];
     }
-    
+
     return userProps;
 }
 
@@ -422,7 +443,7 @@ - (void) userPropsFromFIRUserWithToken:(FIRUser *) user
         if (error != nil) {
             return callback(nil, error);
         }
-        
+
         [userProps setValue:token forKey:@"idToken"];
         callback(userProps, nil);
     }];