AuthenticationProvider.java

package com.lifeinide.micronaut.auth;

import io.micronaut.security.authentication.AuthenticationFailed;
import io.micronaut.security.authentication.AuthenticationRequest;
import io.micronaut.security.authentication.AuthenticationResponse;
import io.micronaut.security.authentication.UserDetails;
import io.reactivex.Flowable;
import org.reactivestreams.Publisher;

import javax.inject.Singleton;
import java.util.List;

/**
 * Provides dummy users with passwords and authorities for Basic HTTP Auth.
 *
 * @author Lukasz Frankowski
 */
@Singleton
public class AuthenticationProvider implements io.micronaut.security.authentication.AuthenticationProvider {

	public static final String ROLE_USER = "ROLE_USER";
	public static final String ROLE_ADMIN = "ROLE_ADMIN";

	public static final String[] USERS = new String[] {
		"user", "userpass", ROLE_USER,
		"admin", "adminpass", ROLE_ADMIN,
	};

	@Override
	public Publisher<AuthenticationResponse> authenticate(AuthenticationRequest authenticationRequest) {
		for (int i=0; i<USERS.length; i+=3)
			if (authenticationRequest.getIdentity().equals(USERS[i]) && authenticationRequest.getSecret().equals(USERS[i+1]))
				return Flowable.just(new UserDetails("user", List.of(USERS[i+2])));

		return Flowable.just(new AuthenticationFailed());
	}
	
}