로그인, 회원가입 구조 설계

apps/user-service/src/main/java/com/gltkorea/icebang/auth/controller/AuthController.java

@@ -0,0 +1,50 @@
+package com.gltkorea.icebang.auth.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.Authentication;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.gltkorea.icebang.auth.dto.DefaultRequestWrapper;
+import com.gltkorea.icebang.auth.dto.LoginDto;
+import com.gltkorea.icebang.auth.dto.SignUpDto;
+import com.gltkorea.icebang.auth.provider.AuthProvider;
+import com.gltkorea.icebang.auth.provider.AuthProviderFactory;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/v0/auth")
+public class AuthController {
+  private final AuthProviderFactory authProviderFactory;
+
+  @PostMapping("/signup")
+  public ResponseEntity<?> signUp(@RequestBody SignUpDto signUpDto) {
+    // 1. Wrapper DTO 생성
+    DefaultRequestWrapper wrapper = DefaultRequestWrapper.builder().signUpDto(signUpDto).build();
+
+    // 2. Factory에서 Provider 선택
+    @SuppressWarnings("unchecked")
+    AuthProvider<DefaultRequestWrapper> provider =
+        (AuthProvider<DefaultRequestWrapper>) authProviderFactory.getProvider("default");
+
+    // 3. Provider에 인증 위임 (Provider 내부에서 signUp + login 처리)
+    Authentication auth = provider.authenticate(wrapper);
+
+    // 4. 결과 반환
+    return ResponseEntity.status(201).body(auth);
+  }
+
+  @PostMapping("/signin")
+  public ResponseEntity<?> signIn(@RequestBody LoginDto loginDto) {
+    DefaultRequestWrapper wrapper = DefaultRequestWrapper.builder().loginDto(loginDto).build();
+    @SuppressWarnings("unchecked")
+    AuthProvider<DefaultRequestWrapper> provider =
+        (AuthProvider<DefaultRequestWrapper>) authProviderFactory.getProvider("default");
+    Authentication auth = provider.authenticate(wrapper);
+    return ResponseEntity.ok(auth);
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/controller/Oauth2CallbackController.java

@@ -0,0 +1,20 @@
+package com.gltkorea.icebang.auth.controller;
+
+import org.springframework.web.bind.annotation.*;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequestMapping("/v0/oauth2/callback")
+@RequiredArgsConstructor
+public class Oauth2CallbackController {
+
+  @GetMapping("/kakao")
+  public void handleKakaoCallback(@RequestParam String code) {
+    //        OAuth2RequestWrapper wrapper = new OAuth2RequestWrapper(new
+    // Oauth2CallbackContent("kakao", code));
+    //        OAuth2AuthProvider provider = (OAuth2AuthProvider)
+    // authProviderFactory.getProvider(providerKey);
+    //        Authentication auth = provider.authenticate(wrapper);
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/AuthRequestWrapper.java

@@ -0,0 +1,3 @@
+package com.gltkorea.icebang.auth.dto;
+
+public interface AuthRequestWrapper {}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/DefaultRequestWrapper.java

@@ -0,0 +1,13 @@
+package com.gltkorea.icebang.auth.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@AllArgsConstructor
+@Getter
+public class DefaultRequestWrapper implements AuthRequestWrapper {
+  private final LoginDto loginDto;
+  private final SignUpDto signUpDto;
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/LoginDto.java

@@ -0,0 +1,3 @@
+package com.gltkorea.icebang.auth.dto;
+
+public class LoginDto {}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/OAuth2RequestWrapper.java

@@ -0,0 +1,12 @@
+package com.gltkorea.icebang.auth.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class OAuth2RequestWrapper implements AuthRequestWrapper {
+  private Oauth2CallbackContent callbackContent;
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/Oauth2CallbackContent.java

@@ -0,0 +1,7 @@
+package com.gltkorea.icebang.auth.dto;
+
+public class Oauth2CallbackContent {
+  private String code;
+  private String state;
+  private String provider;
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/dto/SignUpDto.java

@@ -0,0 +1,3 @@
+package com.gltkorea.icebang.auth.dto;
+
+public class SignUpDto {}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/provider/AuthProvider.java

@@ -0,0 +1,11 @@
+package com.gltkorea.icebang.auth.provider;
+
+import org.springframework.security.core.Authentication;
+
+import com.gltkorea.icebang.auth.dto.AuthRequestWrapper;
+
+public interface AuthProvider<T extends AuthRequestWrapper> {
+  boolean supports(T request);
+
+  Authentication authenticate(T request);
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/provider/AuthProviderFactory.java

@@ -0,0 +1,44 @@
+package com.gltkorea.icebang.auth.provider;
+
+import java.util.Map;
+
+import org.springframework.stereotype.Component;
+
+import com.gltkorea.icebang.auth.dto.AuthRequestWrapper;
+
+import lombok.RequiredArgsConstructor;
+
+@Component
+@RequiredArgsConstructor
+public class AuthProviderFactory {
+
+  private final Map<String, AuthProvider<? extends AuthRequestWrapper>> providers;
+
+  /**
+   * providerKey에 해당하는 AuthProvider 반환
+   *
+   * @param providerKey "google", "naver", "default" 등, enum으로 refactoring 필요
+   * @return AuthProvider
+   */
+  public AuthProvider<? extends AuthRequestWrapper> getProvider(String providerKey) {
+    AuthProvider<? extends AuthRequestWrapper> provider = providers.get(providerKey.toLowerCase());
+    if (provider == null) {
+      throw new IllegalArgumentException("Unknown auth provider: " + providerKey);
+    }
+    return provider;
+  }
+
+  /**
+   * OAuth2 전용 Provider 반환
+   *
+   * @param providerKey OAuth2 provider key
+   * @return OAuth2AuthProvider
+   */
+  public OAuth2AuthProvider getOAuth2Provider(String providerKey) {
+    AuthProvider<? extends AuthRequestWrapper> provider = getProvider(providerKey);
+    if (!(provider instanceof OAuth2AuthProvider oauthProvider)) {
+      throw new IllegalArgumentException(providerKey + " is not an OAuth2 provider");
+    }
+    return oauthProvider;
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/provider/DefaultProvider.java

@@ -0,0 +1,19 @@
+package com.gltkorea.icebang.auth.provider;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.stereotype.Component;
+
+import com.gltkorea.icebang.auth.dto.DefaultRequestWrapper;
+
+@Component("default")
+public class DefaultProvider implements AuthProvider<DefaultRequestWrapper> {
+  @Override
+  public boolean supports(DefaultRequestWrapper request) {
+    return false;
+  }
+
+  @Override
+  public Authentication authenticate(DefaultRequestWrapper request) {
+    return null;
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/provider/OAuth2AuthProvider.java

@@ -0,0 +1,9 @@
+package com.gltkorea.icebang.auth.provider;
+
+import org.springframework.security.core.Authentication;
+
+import com.gltkorea.icebang.auth.dto.OAuth2RequestWrapper;
+
+public interface OAuth2AuthProvider extends AuthProvider<OAuth2RequestWrapper> {
+  Authentication authenticateWithCode(OAuth2RequestWrapper oauthContent);
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/service/AuthService.java

@@ -0,0 +1,13 @@
+package com.gltkorea.icebang.auth.service;
+
+import com.gltkorea.icebang.auth.dto.LoginDto;
+import com.gltkorea.icebang.auth.dto.SignUpDto;
+import com.gltkorea.icebang.domain.user.model.Users;
+
+public interface AuthService {
+  Users signUp(SignUpDto signUpDto);
+
+  Users login(LoginDto loginDto);
+
+  Users loadUser(String identifier);
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/service/AuthServiceImpl.java

@@ -0,0 +1,25 @@
+package com.gltkorea.icebang.auth.service;
+
+import org.springframework.stereotype.Service;
+
+import com.gltkorea.icebang.auth.dto.LoginDto;
+import com.gltkorea.icebang.auth.dto.SignUpDto;
+import com.gltkorea.icebang.domain.user.model.Users;
+
+@Service
+public class AuthServiceImpl implements AuthService {
+  @Override
+  public Users signUp(SignUpDto signUpDto) {
+    return null;
+  }
+
+  @Override
+  public Users login(LoginDto loginDto) {
+    return null;
+  }
+
+  @Override
+  public Users loadUser(String identifier) {
+    return null;
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/service/state/AuthStateService.java

@@ -0,0 +1,9 @@
+package com.gltkorea.icebang.auth.service.state;
+
+import org.springframework.security.core.userdetails.UserDetails;
+
+public sealed interface AuthStateService permits SessionStateService, JwtTokenStateService {
+  String create(UserDetails userDetails);
+
+  UserDetails validate(String identifier);
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/service/state/JwtTokenStateService.java

@@ -0,0 +1,15 @@
+package com.gltkorea.icebang.auth.service.state;
+
+import org.springframework.security.core.userdetails.UserDetails;
+
+public final class JwtTokenStateService implements AuthStateService {
+  @Override
+  public String create(UserDetails userDetails) {
+    return "";
+  }
+
+  @Override
+  public UserDetails validate(String identifier) {
+    return null;
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/auth/service/state/SessionStateService.java

@@ -0,0 +1,15 @@
+package com.gltkorea.icebang.auth.service.state;
+
+import org.springframework.security.core.userdetails.UserDetails;
+
+public final class SessionStateService implements AuthStateService {
+  @Override
+  public String create(UserDetails userDetails) {
+    return "";
+  }
+
+  @Override
+  public UserDetails validate(String identifier) {
+    return null;
+  }
+}

apps/user-service/src/main/java/com/gltkorea/icebang/domain/user/UserStatus.java

@@ -0,0 +1,8 @@
+package com.gltkorea.icebang.domain.user;
+
+public enum UserStatus {
+  ONBOARDING, // email, password만 된 경우
+  ACTIVE, // 완전히 활성화됨
+  SUSPENDED, // 일시 정지
+  DELETED // 삭제됨
+}

apps/user-service/src/main/java/com/gltkorea/icebang/domain/user/model/Users.java

@@ -0,0 +1,7 @@
+package com.gltkorea.icebang.domain.user.model;
+
+import com.gltkorea.icebang.domain.user.UserStatus;
+
+public class Users {
+  private UserStatus status;
+}

apps/user-service/src/main/java/com/gltkorea/icebang/domain/user/service/UserAuthServiceImpl.java → apps/user-service/src/main/java/com/gltkorea/icebang/domain/user/service/SecurityAuthenticateAdapter.java

@@ -3,11 +3,16 @@
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 
+import com.gltkorea.icebang.auth.service.AuthService;
 import com.gltkorea.icebang.domain.user.model.UserAccountPrincipal;
+import com.gltkorea.icebang.domain.user.model.Users;
+
+public class SecurityAuthenticateAdapter implements UserAuthService {
+  private AuthService authService;
 
-public class UserAuthServiceImpl implements UserAuthService {
   @Override
   public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
-    return UserAccountPrincipal.builder().build();
+    Users user = authService.loadUser(username);
+    return UserAccountPrincipal.builder().build(); // @TODO users -> userdetail로
   }
 }