Issue
I am working on a react native project with expo and I am using AWS amplify for the backend. Signing up a user and confirming the email of said user works as expected but I am getting an Unknown error while trying to sign in.
This is my signIn function Code:
import { signIn, SignInInput } from "aws-amplify/auth";
const onSubmit = async (data: FormData) => {
setIsLoading(true);
try {
const { username, password }: SignInInput = {
username: data.email,
password: data.password,
};
const { isSignedIn, nextStep } = await signIn({ username, password });
console.log(isSignedIn, nextStep);
} catch (e: any) {
console.log("error signing in", e);
}
setIsLoading(false);
};
Error:
error signing in [Unknown: An unknown error has occurred.]
Solution
Check your authentication flow perhaps? If this is the case, you'll need to update in your request and in your AWS Cognito App Client.
Request:
const { isSignedIn, nextStep } = await signIn({
username: _data.email,
password: _data.password,
options: { authFlowType: "USER_PASSWORD_AUTH" },
});
App Client: AWS Management Console > Cognito > User Pools > App Integration > (Select your app Client) > (Edit App Client Information) > Add "ALLOW_USER_PASSWORD_AUTH"
Answered By - upp22
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