spring security custom authentication provider
package com.frugalis;
import java.util.ArrayList;
import java.util.List;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Component;
@Component
public class CustomAuthenticationProvider implements AuthenticationProvider {
boolean shouldAuthenticateAgainstThirdPartySystem = true;
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
String name = authentication.getName();
String password = authentication.getCredentials().toString();
if (name.equals("admin") && password.equals("password")) {
final List<GrantedAuthority> grantedAuths = new ArrayList<>();
grantedAuths.add(new SimpleGrantedAuthority("ROLE_USER"));
final UserDetails principal = new User(name, password, grantedAuths);
final Authentication auth = new UsernamePasswordAuthenticationToken(principal, password, grantedAuths);
return auth;
} else {
return null;
}
}
@Override
public boolean supports(Class<?> authentication) {
return authentication.equals(UsernamePasswordAuthenticationToken.class);
}
}
