Spring Security 로그인

Spring Security 로그인

React + spring boot

SecurityConfig

package com.sanplink.api.security;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;

@Configuration
@EnableWebSecurity
public class SecurityConfig {

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

    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http.csrf((csrf) -> csrf.disable());
        http.authorizeHttpRequests((authorize) ->
                authorize.requestMatchers("/**").permitAll()
        );
        http.formLogin((formLogin) -> formLogin.loginPage("/users/login")
                .defaultSuccessUrl("http://localhost:3000/")

        );
        return http.build();
    }
}

 

MyUserDetailsService

package com.sanplink.api.user;

import lombok.RequiredArgsConstructor;
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.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

@Service
@RequiredArgsConstructor
public class MyUserDetailsService implements UserDetailsService {

    private final UserRepository userRepository;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
       Optional<User> result = userRepository.findByUsername(username);
       if (result.isEmpty()) {
           throw new UsernameNotFoundException("그런아이디 없음");
       }
        User user = result.get();
        List<GrantedAuthority> authorities = new ArrayList<>();
        authorities.add(new SimpleGrantedAuthority("일반유저"));

        return new org.springframework.security.core.userdetails.User(user.getUsername(), user.getPassword(), authorities);
    }

}