cz.muni.pa165.carparkapp.configuration.MyAuthenticationProvider.java Source code

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Here is the source code for cz.muni.pa165.carparkapp.configuration.MyAuthenticationProvider.java

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package cz.muni.pa165.carparkapp.configuration;

import cz.muni.pa165.carparkapp.DAO.EmployeeDAO;
import cz.muni.pa165.carparkapp.Entities.Employee;
import cz.muni.pa165.carparkapp.dto.EmployeeDTO;
import cz.muni.pa165.carparkapp.service.EmployeeService;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.BadCredentialsException;
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.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Component;
import org.apache.commons.codec.digest.DigestUtils;

@Component(value = "authenticationProvider")
public class MyAuthenticationProvider implements AuthenticationProvider {

    @Autowired
    private EmployeeService employeeService;

    @Autowired
    private EmployeeDAO dao;

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        String username = authentication.getName();
        String password = (String) authentication.getCredentials();

        password = DigestUtils.shaHex(password);
        Employee user = null;

        for (Employee e : dao.getAllEmployees()) {
            //System.out.println(e);
            if (e.getUserName().equals(username)) {
                user = e;
                break;
            }
        }

        if (user == null) {
            throw new BadCredentialsException("Username not found.");
        }

        if (!password.equals(user.getPassword())) {
            throw new BadCredentialsException("Wrong password.");
        }

        List<GrantedAuthority> authorities = new ArrayList<>();
        authorities.add(new SimpleGrantedAuthority("ROLE_" + user.getRole()));

        return new UsernamePasswordAuthenticationToken(username, password, authorities);
    }

    @Override
    public boolean supports(Class<?> arg0) {
        return true;
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        PasswordEncoder encoder = new BCryptPasswordEncoder();
        return encoder;
    }
}