Implement login with session

src/main/java/demo/api/config/SecurityConfig.java

@@ -1,11 +1,14 @@
 package demo.api.config;
 
+import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 
 /**
@@ -14,7 +17,9 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
  * @Configuration 애노테이션 대신 @EnableWebSecurity 애노테이션을 추가한다.
  */
 @EnableWebSecurity
+@RequiredArgsConstructor
 public class SecurityConfig extends WebSecurityConfigurerAdapter {
+  private final UserDetailsService userDetailsService;
 
   /**
    * PasswordEncoder를 Bean으로 등록
@@ -32,6 +37,11 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
 //    web.ignoring().antMatchers("/?/**");
 //  }
 
+  @Override
+  protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+    auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
+  }
+
   /**
    * 인증 or 인가에 대한 설정
    */
@@ -39,9 +49,16 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
   protected void configure(HttpSecurity http) throws Exception {
     http
         .csrf().disable()
-        .formLogin().disable()//loginPage("/user/signIn")
+        .formLogin()
+        .loginPage("/user/signIn")
+        .loginProcessingUrl("/user/signInProc")
+        .usernameParameter("email")
+        .passwordParameter("password")
+        .defaultSuccessUrl("/")
+        .failureUrl("/user/signIn?fail=true");
+    http
         .authorizeRequests()
-        .antMatchers("/", "/user/signUp").permitAll()
+        .antMatchers("/", "/user/signUp", "/user/userList", "/user/signIn*").permitAll()
         .anyRequest().authenticated();
   }
 }

src/main/java/demo/api/config/UserDetailsServiceImpl.java

@@ -0,0 +1,35 @@
+package demo.api.config;
+
+import demo.api.user.domain.User;
+import demo.api.user.exception.UserNotFoundException;
+import demo.api.user.repository.UserRepository;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class UserDetailsServiceImpl implements UserDetailsService {
+  private final UserRepository userRepository;
+
+  @Override
+  public UserDetails loadUserByUsername(String email) throws UserNotFoundException {
+
+    User user = userRepository.findByEmail(email)
+        .orElseThrow(() -> new UserNotFoundException());
+    Set<GrantedAuthority> grantedAuthorities = new HashSet<>();
+
+    return new org
+        .springframework
+        .security
+        .core
+        .userdetails
+        .User(user.getEmail(), user.getPassword(), grantedAuthorities);
+  }
+}

src/main/java/demo/api/home/HomeController.java

@@ -0,0 +1,12 @@
+package demo.api.home;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class HomeController {
+  @GetMapping("/")
+  public String home() {
+    return "home";
+  }
+}

src/main/java/demo/api/user/UserController.java

@@ -1,25 +1,71 @@
 package demo.api.user;
 
 import demo.api.user.domain.User;
+import demo.api.user.dtos.UserSignInRequest;
 import demo.api.user.dtos.UserSignUpRequest;
+import demo.api.user.exception.UserNotFoundException;
+import java.util.List;
+import java.util.Optional;
 import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 /**
  * User 관련 HTTP 요청 처리
  */
-@RestController
+@Controller
 @RequestMapping("/user")
 @RequiredArgsConstructor
 public class UserController {
   private final UserService userService;
 
+  @GetMapping("/signUp")
+  public String signUp() {
+    return "user/signUp";
+  }
+
   @PostMapping("/signUp")
-  public User signUp(@Validated UserSignUpRequest signUpReq) throws Exception {
-    return userService.signUp(signUpReq);
+  public String signUp(@Validated UserSignUpRequest signUpReq) throws Exception {
+    User user = userService.signUp(signUpReq);
+
+    return "redirect:/user/signIn";
+  }
+
+  @GetMapping("/signIn")
+  public String signIn(@RequestParam(value = "fail", required = false) String flag, Model model) {
+    if(flag == null || !flag.equals("true")) {
+      model.addAttribute("failed", false);
+      return "user/signIn";
+    }
+    else {
+      model.addAttribute("failed", true);
+      return "user/signIn";
+    }
+  }
+
+  @GetMapping("/profile")
+  public String profile(Model model, @AuthenticationPrincipal User user) {
+    User userDetail = userService.findByEmail(user.getEmail())
+        .orElseThrow(() -> new UserNotFoundException());
+
+    model.addAttribute("userDetail", userDetail);
+
+    return "user/profile";
+  }
+
+  @GetMapping("/user/userList")
+  public String showUserList(Model model) {
+    List<User> userList = userService.findAll();
+
+    model.addAttribute("userList", userList);
+
+    return "user/userList";
   }
 }

src/main/java/demo/api/user/UserService.java

@@ -1,6 +1,7 @@
 package demo.api.user;
 
 import demo.api.user.domain.User;
+import demo.api.user.dtos.UserSignInRequest;
 import demo.api.user.dtos.UserSignUpRequest;
 import java.util.List;
 import java.util.Optional;

src/main/java/demo/api/user/UserServiceImpl.java

@@ -1,6 +1,7 @@
 package demo.api.user;
 
 import demo.api.user.domain.User;
+import demo.api.user.dtos.UserSignInRequest;
 import demo.api.user.dtos.UserSignUpRequest;
 import demo.api.user.repository.UserRepository;
 import java.util.List;

src/main/java/demo/api/user/domain/User.java

@@ -1,8 +1,11 @@
 package demo.api.user.domain;
 
 import demo.api.common.domain.CoreEntity;
+import demo.api.user.repository.UserRepository;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -23,11 +26,15 @@ public class User extends CoreEntity {
   @Column(length = 10, nullable = false)
   private String name;
 
+//  @Enumerated(EnumType.STRING)
+//  private UserRole role;
+
   @Builder
-  public User(String email, String password, String name) {
+  public User(String email, String password, String name /*UserRole role*/) {
     this.email = email;
     this.password = password;
     this.name = name;
+//    this.role = role;
   }
 
   // https://reflectoring.io/spring-security-password-handling/

src/main/java/demo/api/user/domain/UserRole.java

@@ -0,0 +1,8 @@
+package demo.api.user.domain;
+
+import lombok.Getter;
+
+@Getter
+public enum UserRole {
+  ROLE_USER // Spring Security의 role 네이밍 규칙 : ROLE_권한이름
+}

src/main/java/demo/api/user/dtos/UserSignInRequest.java

@@ -0,0 +1,20 @@
+package demo.api.user.dtos;
+
+import demo.api.user.domain.User;
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotEmpty;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@ToString
+public class UserSignInRequest {
+  @NotEmpty(message = "Please enter your Email")
+  @Email
+  private String email;
+
+  @NotEmpty(message = "Please enter your Password")
+  private String password;
+}

src/main/java/demo/api/user/exception/UserNotFoundException.java

@@ -0,0 +1,8 @@
+package demo.api.user.exception;
+
+public class UserNotFoundException extends RuntimeException {
+  public UserNotFoundException() {
+    super("Can't find User");
+  }
+
+}