I have tried to read this thread List of Authorisation errors with Firebase login , and also I have tried to search, but I just can find admin SDK authentication error in here here
those error code from those links are different from the error code for Firebase Auth for Flutter app
I mean, I need the error codes in here
Future<void> signInUsingEmail({required String email, required String password}) async {
try {
await _auth.signInWithEmailAndPassword(email: email, password: password);
} on FirebaseAuthException catch (error) {
// I need the error.code in here
print(error.code);
}
could I know all available error codes? so I can write my own error message in my own language. as for now, I can only catch these error codes below
"too-many-requests"
"wrong-password"
"network-request-failed"
what else?
For the signInWithEmailAndPassword method for Flutter, you will find the error codes in the firebase_auth package documentation.
They are actually the same than the JS SDK ones: https://firebase.google.com/docs/reference/js/firebase.auth.Auth#error-codes_12
For anyone that does not like clicking on links:
signInWithEmailAndPassword
wrong-password: Thrown if the password is invalid for the given email, or the account corresponding to the email doesn't have a password set.
invalid-email: Thrown if the email address is not valid.
user-disabled: Thrown if the user corresponding to the given email has been disabled.
user-not-found: Thrown if there is no user corresponding to the given email.
createUserWithEmailAndPassword
email-already-in-use: Thrown if there already exists an account with the given email address.
invalid-email: Thrown if the email address is not valid.
operation-not-allowed: Thrown if email/password accounts are not enabled. Enable email/password accounts in the Firebase Console, under the Auth tab.
weak-password: Thrown if the password is not strong enough.
signInWithCredential
account-exists-with-different-credential: Thrown if there already exists an account with the email address asserted by the credential. Resolve this by calling fetchSignInMethodsForEmail and then asking the user to sign in using one of the returned providers. Once the user is signed in, the original credential can be linked to the user with linkWithCredential.
invalid-credential: Thrown if the credential is malformed or has expired.
operation-not-allowed: Thrown if the type of account corresponding to the credential is not enabled. Enable the account type in the Firebase Console, under the Auth tab.
user-disabled: Thrown if the user corresponding to the given credential has been disabled.
user-not-found: Thrown if signing in with a credential from EmailAuthProvider.credential and there is no user corresponding to the given email.
wrong-password: Thrown if signing in with a credential from EmailAuthProvider.credential and the password is invalid for the given email, or if the account corresponding to the email does not have a password set.
invalid-verification-code: Thrown if the credential is a PhoneAuthProvider.credential and the verification code of the credential is not valid.
invalid-verification-id: Thrown if the credential is a PhoneAuthProvider.credential and the verification ID of the credential is not valid.id.
reauthenticateWithCredential
user-mismatch: Thrown if the credential given does not correspond to the user.
user-not-found: Thrown if the credential given does not correspond to any existing user.
invalid-credential: Thrown if the provider's credential is not valid. This can happen if it has already expired when calling link, or if it used invalid token(s). See the Firebase documentation for your provider, and make sure you pass in the correct parameters to the credential method.
invalid-email: Thrown if the email used in a EmailAuthProvider.credential is invalid.
wrong-password: Thrown if the password used in a EmailAuthProvider.credential is not correct or when the user associated with the email does not have a password.
invalid-verification-code: Thrown if the credential is a PhoneAuthProvider.credential and the verification code of the credential is not valid.
invalid-verification-id: Thrown if the credential is a PhoneAuthProvider.credential and the verification ID of the credential is not valid.
signInWithAuthProvider
user-disabled: Thrown if the user corresponding to the given email has been disabled.
signInAnonymously
operation-not-allowed: Thrown if anonymous accounts are not enabled. Enable anonymous accounts in the Firebase Console, under the Auth tab.
signInWithEmailLink
expired-action-code: Thrown if OTP in email link expires.
invalid-email: Thrown if the email address is not valid.
user-disabled: Thrown if the user corresponding to the given email has been disabled.
So I created this gist
And it's basically a handler for some common firebase auth exceptions.
This is an example on how to use it
Future createUser(String email, String password) async {
try {
UserCredential customUserCredential = await FirebaseAuth.instance
.createUserWithEmailAndPassword(
email: email, password: password);
return customUserCredential.user!.uid;
} on FirebaseAuthException catch (authError) {
throw CustomAuthException(authError.code, authError.message!);
} catch (e) {
throw CustomException(errorMessage: "Unknown Error");
}
TextButton(
onPressed: () async {
try {
//final user = FirebaseAuth.instance.currentUser;
final email = _emailController.text;
final password = _passwordController.text;
// await FirebaseAuth.instance // final userCredential =
// .signInWithEmailAndPassword(
// email: email, password: password);
AuthService.firebase()
.logIn(email: email, password: password);
final user = AuthService.firebase().currentUser;
if (user?.isEmailVerified ?? false) {
Navigator.of(context).pushNamedAndRemoveUntil(
emailRoute, (route) => false);
} else {
Navigator.of(context)
.pushNamedAndRemoveUntil(noteRoute, (route) => false);
}
//devtools.log(userCredential.toString());
//This line of text may not work to print data
// print(userCredential.toString());
} on FirebaseAuthException catch (e) {
if (e.code == 'network-request-failed') {
showErrorDialog(context, 'No Internet Connection');
//devtools.log('No Internet Connection');
} else if (e.code == "wrong-password") {
return showErrorDialog(
context, 'Please Enter correct password');
//devtools.log('Please Enter correct password');
//print('Please Enter correct password');
} else if (e.code == 'user-not-found') {
showErrorDialog(context, 'Email not found');
// print('Email not found');
} else if (e.code == 'too-many-requests') {
return showErrorDialog(
context, 'Too many attempts please try later');
//print('Too many attempts please try later');
} else if (e.code == 'unknwon') {
showErrorDialog(
context, 'Email and password field are required');
//print('Email and password field are required');
} else if (e.code == 'unknown') {
showErrorDialog(
context, 'Email and Password Fields are required');
//print(e.code);
} else {
print(e.code);
}
}
},
child: const Text('Login')),
Related
My code here, and the error pointed at -> await FirebaseAuth.instance
.createUserWithEmailAndPassword(
email: email.trim(), password: password.trim()); - in code below
Future SignUp() async {
try {
UserCredential result = await FirebaseAuth.instance
.createUserWithEmailAndPassword(
email: email.trim(), password: password.trim());
User user = result.user;
return user;
} on FirebaseAuthException catch (e) {
print(e);
if (e.code == 'email-already-in-use') {
setState(
() // setState rebuilds the entire build by modifying the code inside it
{
error = e.toString();
EmailExists =
true; //sets the emailExists variable to 'true' and rebuild
});
}
}
}
Error:
PlatformException (PlatformException(firebase_auth, com.google.firebase.auth.FirebaseAuthUserCollisionException: The email address is already in use by another account., {message: The email address is already in use by another account., additionalData: {}, code: email-already-in-use}, null))
By default Firebase Authentication only allows a single user to register with a specific email address in a project. When a second user tries to register with the same email address, you get the error that you have and you'll need to handle that scenario in your code. Typically you'll tell the user that the email address has already been registered and either ask them for their password, or tell them to use another email address.
If you want to allow multiple users to register with the same email address, you can enable that by changing the Multiple accounts per email address setting in the Sign-in methods pabel of the Firebase console.
I am using Flutter Firebase auth latest version and I am trying to sign up the user with :
try {
UserCredential userCredential = await FirebaseAuth.instance.createUserWithEmailAndPassword(
email: "barry.allen#example.com",
password: "SuperSecretPassword!"
);
} on FirebaseAuthException catch (e) {
if (e.code == 'weak-password') {
print('The password provided is too weak.');
} else if (e.code == 'email-already-in-use') {
print('The account already exists for that email.');
}
} catch (e) {
print(e);
}
The problem is e.code returns a string depending on the error and somehow I can not find all the error codes so I can do an exhaustive UI response. e.g user-not-found. How may I find all the error codes to include them in other if statements?
You can find the possible errors in the documentation for the Flutter firebase_auth package.
For instance, the createUserWithEmailAndPassword method has the following possible errors:
email-already-in-use: Thrown if there already exists an account with the given email address.
invalid-email: Thrown if the email address is not valid.
operation-not-allowed: Thrown if email/password accounts are not enabled. Enable email/password accounts in the Firebase Console,
under the Auth tab.
weak-password: Thrown if the password is not strong enough.
It's the same for the other methods that throw errors.
My Editor(Vs code) keeps catching this exception even when it's already caught in my code. And the code works fine after the exception is caught.
The exception Log
" Exception has occurred. PlatformException
(PlatformException(firebase_auth,
com.google.firebase.auth.FirebaseAuthUserCollisionException: An
account already exists with the same email address but different
sign-in credentials. Sign in using a provider associated with this
email address., {code: account-exists-with-different-credential,
additionalData: {authCredential: {providerId: facebook.com,
signInMethod: facebook.com, token: 0000000}, email: #######gmail.com},
message: An account already exists with the same email address but
different sign-in credentials. Sign in using a provider associated
with this email address.}, null)) "
My Facebook Login Code
Future<void> logInWithFaceBook() async {
try {
final FacebookLoginResult result = await _facebookLogin.logIn(['email']);
final fbToken = result.accessToken.token;
if (result.status == FacebookLoginStatus.loggedIn) {
final facebookCredential =
firebase_auth.FacebookAuthProvider.credential(fbToken);
await _firebaseAuth.signInWithCredential(facebookCredential);
}
} on firebase_auth.FirebaseAuthException catch (e) {
await fbLinkPendingCredential(e);
}
}
I made a flutter app and connected it with Firebase authentication (using email and password). It's working perfectly. It creates a new user when a user register into app, signs out, and also signs in with that email and password.
But, when I try to Re-Register with the same email and password that I've used to create before OR when I try to Sign in with an email which is not registered, I get this error:
PlatformException (PlatformException(firebase_auth, com.google.firebase.FirebaseException: An internal error has occurred. [ Unable to resolve host "www.googleapis.com":No address associated with hostname ], {}, null))
And the app just stops working, like in this case the loading is stopped: See the image here
This is the function to Register, SignIn function is similar to this:
Future registerWithEmailAndPasswordWithFirebase(
String email, String password) async {
try {
UserCredential credential = await _auth.createUserWithEmailAndPassword(
email: email, password: password);
User user = credential.user;
await DatabaseService(uid: user.uid).updateUserData('New user');
return _returnUserUid(user);
} catch (e) {
print(e.toString());
return null;
}
}
How can I resolve this?
In the above case, I ran the app using Vscode debugging. So, whenever it was getting an error, the app just stops there and vscode shows the PlatformException.
When I ran my app from terminal, then this issue didn't occur, it just shows that PlatformException in the terminal only and the app keep running.
I've set up Firebase email/password authentication successfully, but for security reasons I want the user to confirm her/his email.
It says on Firebases website:
When a user signs up using an email address and password, a confirmation email is sent to verify their email address.
But when I sign up, I doesn't receive a confirmation email.
I've looked and can only find a code for sending the password reset email, but not a code for sending the email confirmation.
I've looked here:
https://firebase.google.com/docs/auth/ios/manage-users#send_a_password_reset_email
anyone got a clue about how I can do it?
I noticed that the new Firebase email authentication docs is not properly documented.
firebase.auth().onAuthStateChanged(function(user) {
user.sendEmailVerification();
});
Do note that:
You can only send email verification to users object whom you created using Email&Password method createUserWithEmailAndPassword
Only after you signed users into authenticated state, Firebase will return a promise of the auth object.
The old onAuth method has been changed to onAuthStateChanged.
To check if email is verified:
firebase.auth().onAuthStateChanged(function(user) {
if (user.emailVerified) {
console.log('Email is verified');
}
else {
console.log('Email is not verified');
}
});
After creating a user a User object is returned, where you can check if the user's email has been verified or not.
When a user has not been verified you can trigger the sendEmailVerification method on the user object itself.
firebase.auth()
.createUserWithEmailAndPassword(email, password)
.then(function(user){
if(user && user.emailVerified === false){
user.sendEmailVerification().then(function(){
console.log("email verification sent to user");
});
}
}).catch(function(error) {
// Handle Errors here.
var errorCode = error.code;
var errorMessage = error.message;
console.log(errorCode, errorMessage);
});
You can also check by listening to the AuthState, the problem with the following method is, that with each new session (by refreshing the page),
a new email is sent.
firebase.auth().onAuthStateChanged(function(user) {
user.sendEmailVerification();
});
The confirmation email could be in your spam folder.
Check your spam folder.
You can send verification email and check if was verified as follow into the AuthListener:
mAuthListener = new FirebaseAuth.AuthStateListener() {
#Override
public void onAuthStateChanged(#NonNull FirebaseAuth firebaseAuth) {
FirebaseUser user = firebaseAuth.getCurrentUser();
if (user != null) {
//---- HERE YOU CHECK IF EMAIL IS VERIFIED
if (user.isEmailVerified()) {
Toast.makeText(LoginActivity.this,"You are in =)",Toast.LENGTH_LONG).show();
}
else {
//---- HERE YOU SEND THE EMAIL
user.sendEmailVerification();
Toast.makeText(LoginActivity.this,"Check your email first...",Toast.LENGTH_LONG).show();
}
} else {
// User is signed out
Log.d(TAG, "onAuthStateChanged:signed_out");
}
// [START_EXCLUDE]
updateUI(user);
// [END_EXCLUDE]
}
};
if you're using compile "com.google.firebase:firebase-auth:9.2.0" and
compile 'com.google.firebase:firebase-core:9.2.0' the method sendEmailVerification() will not be resolved until you update to 9.8.0 or higher. It wasted most of time before I figured it out.
I have been looking at this too. It seems like firebase have changed the way you send the verification. for me
user.sendEmailVerification()
did not work.
If you get an error such as user.sendEmailVerification() doesn't exist.
use the following.
firebase.auth().currentUser.sendEmailVerification()
It's not the answer to the question but might help someone.
Don't forget to add your site domain to the Authorised domains list under Sign-in-method
You could send a verification email to any user whose email is linked to the Firebase Auth account. For example, in Flutter you could do. something like :
Future<void> signInWithCredentialAndLinkDetails(AuthCredential authCredential,
String email, String password) async {
// Here authCredential is from Phone Auth
_auth.signInWithCredential(authCredential).then((authResult) async {
if (authResult.user != null) {
var emailAuthCredential = EmailAuthProvider.getCredential(
email: email,
password: password,
);
authResult.user
.linkWithCredential(emailAuthCredential)
.then((authResult,onError:(){/* Error Logic */}) async {
if (authResult.user != null) {
await authResult.user.sendEmailVerification().then((_) {
debugPrint('verification email send');
}, onError: () {
debugPrint('email verification failed.');
});
}
});
}
});
}