3 글 보임 - 1 에서 3 까지 (총 3 중에서)
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[문제] - 로그인(성공/오류) 다 올바르게 동작/ 마이페이지 잘 뜸 - 강의 Part2 로그인 기능 2 의 auth 값이 null 이 출력됨. 로그인을 성공하고 나서도 null 출력. 로그인 하지 않고 바로 주소창에서 /my-page 로 접근해도 마찬가지입니다.
System.out.println(auth.getName()); System.out.println(auth.isAuthenticated()); .getName() .isAuthenticated() 은 자동완성으로도 안되고 'cannot resolve method 'getName' in Authentication' 이라고 뜹니다. [시도해본 것들] - 게시판 검색 : Spring Security - 구글링 - 수업 초반에 했던 Controller 파일들에 혹시 문제 있나 확인. 가독성 떨어지는 텍스트 복붙 코드 죄송합니다 ㅠㅠ
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<h1 style="padding-left: 40px;">[MemberController.java]</h1>
package com.app.tmjCommunity.member;
import lombok.RequiredArgsConstructor; import org.apache.tomcat.util.net.openssl.ciphers.Authentication; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping;
@Controller @RequiredArgsConstructor public class MemberController {private final MemberRepository memberRepository; private final MemberService memberService;@GetMapping("/register") public String registerPage(){return "register.html"; }@GetMapping("/login") public String login(){return "login.html"; }@PostMapping("/member") public String addMember(String username, String password, String displayName){memberService.addMember(username,password,displayName);
return "redirect:/list";
}
@GetMapping("/my-page") public String myPage(Authentication auth){System.out.println(auth); // System.out.println(auth.getName()); // System.out.println(auth.isAuthenticated());
return "mypage.html"; }}
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[MyUserDetailsService.java]
package com.app.tmjCommunity.member;
import lombok.RequiredArgsConstructor; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.userdetails.User; 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;
@RequiredArgsConstructor @Service public class MyUserDetailsService implements UserDetailsService {private final MemberRepository memberRepository;
@Override public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException { // DB에서 username을 가진 유저를 찾아와서 // return new User(유저아이디, 비번, 권한) 해주세요System.out.println("로그인 시도 함수?????"); var result = memberRepository.findByUsername(username); if(result.isEmpty()){ throw new UsernameNotFoundException("그런 아이디 없음"); } var user = result.get(); List<GrantedAuthority> authorities = new ArrayList<>(); authorities.add(new SimpleGrantedAuthority("일반유저"));return new User(user.getUsername(),user.getPassword(),authorities);
}
}
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<h2>[login.html]</h2>
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <link rel="stylesheet" href="/main.css"> </head> <body><div th:replace="~{ nav.html::navbar }"></div> <h4>로그인하세요</h4><div th:if="${param.error}"> <h4>아이디나 비번 틀림</h4> </div><form action="/login" method="POST">
<input name="username"> <input name="password" type="password"> <button type="submit">전송</button></form>
</body> </html>
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<h1>[SecurityConfig.java]</h1>
package com.app.tmjCommunity;
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 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("/login") .defaultSuccessUrl("/")); return http.build(); }}
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아 해결했습니다. 아 ㅋ ㅋ ㅋ ㅋ ㅋ import 를 잘못했나 봅니다. 이거 너무 하 ㅋㅋ ㅋ ㅋ [잘못된 Authentication import]
[맞는 Authentication import]
[잘됨]
[import 할 때 주의하자]
3 글 보임 - 1 에서 3 까지 (총 3 중에서)
- 답변은 로그인 후 가능합니다.