Flutter app giving UNAUTHENTICATED errors when calling Firebase cloud functions directly

Question

I tried using firebase cloud functions oncall method directly from my FLUTTER app and it keeps giving me an UNAUTHENTICATED error even when I am logged in Flutter app code

CloudFunctions function = CloudFunctions.instance;
final HttpsCallable createCallable = function.getHttpsCallable(functionName: 'two_create')
  ..timeout = const Duration(seconds: 30);

try {
  final HttpsCallableResult result = await createCallable.call({
    'stay': 'con50',
    'open': false
  });

  print(result.data);
}on CloudFunctionsException catch(e){
  print('-----------------------------------------------');
  print(e.code); print(e.message); print(e.details);
  print('-----------------------------------------------');
}

dynamic user = await FirebaseAuth.instance.currentUser();
print(user.uid);

I got this error

I/flutter (19466): -----------------------------------------------
I/flutter (19466): UNAUTHENTICATED
I/flutter (19466): UNAUTHENTICATED
I/flutter (19466): null
I/flutter (19466): -----------------------------------------------
I/flutter (19466): eMTX6OcYPOSeYdimmCSqjbnnmWM2

I tried printing out the uid to show I am currently signed in and I am currently using an android device for testing.

This is the function I am calling from my app

exports.two_create = functions.https.onCall(async (context,data)=>{
    var oncall = require('./httponcall');

    var text = await oncall.create(admin,allRef.one2,context,data);
    return text;
})

And I didn't get any logs from Firebase console when it was triggered

Please edit the question to show the function code that you're trying to invoke, and any logs that it might be generating. — Doug Stevenson
– Doug Stevenson, Commented Apr 5, 2020 at 19:58
If the function isn't actually being invoked (you find no logs), then contact Firebase support for assistance. support.google.com/firebase/contact/support — Doug Stevenson
– Doug Stevenson, Commented Apr 5, 2020 at 19:59
This might be a matter of Node version. Please take a look: stackoverflow.com/questions/56120115/… — vitooh
– vitooh, Commented Apr 6, 2020 at 7:01
I tried changing the node version I still got the same error — Mayor
– Mayor, Commented Apr 9, 2020 at 1:16
I think @HannahStark is referring to this cloud.google.com/functions/docs/securing/…, have you checked that? — vitooh
– vitooh, Commented Apr 22, 2020 at 12:37

Sumer Singh · Accepted Answer · 2021-04-01 11:39:47Z

3

first update the firebase tools and dependencies to latest.

https://firebase.google.com/docs/functions/get-started?authuser=0#set-up-node.js-and-the-firebase-cli

npm install firebase-functions@latest firebase-admin@latest --save

npm install -g firebase-tools

after deploy
go to Google cloud console(GCP) not the firebase console GCP sidebar > Cloud functions > select your function go to PERMISSIONS >ADD > "allUsers"> Firebase > Firebase Viewer

do this at your own risk iam not any cloud devloper . i dont know the risk of adding allUsers like this iam new to flutter devlopment

answered Apr 1, 2021 at 11:39

Sumer Singh

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