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Username and Password Authentication Provider

Pragya Keshap answered on February 25, 2023 Popularity 3/10 Helpfulness 1/10

answer Username and Password Authentication Provider

Username and Password Authentication Provider

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@Component
public class EazyBankUsernamePwdAuthenticationProvider implements AuthenticationProvider {

    @Autowired
    private CustomerRepository customerRepository;

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        String username = authentication.getName();
        String pwd = authentication.getCredentials().toString();
        List<Customer> customer = customerRepository.findByEmail(username);
        if (customer.size() > 0) {
            if (passwordEncoder.matches(pwd, customer.get(0).getPwd())) {
                List<GrantedAuthority> authorities = new ArrayList<>();
                authorities.add(new SimpleGrantedAuthority(customer.get(0).getRole()));
                return new UsernamePasswordAuthenticationToken(username, pwd, authorities);
            } else {
                throw new BadCredentialsException("Invalid password!");
            }
        }else {
            throw new BadCredentialsException("No user registered with this details!");
        }
    }

    @Override
    public boolean supports(Class<?> authentication) {
        return (UsernamePasswordAuthenticationToken.class.isAssignableFrom(authentication));
    }

}

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: authentication java provider

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Contributed on Feb 25 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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