feat: spring security OAuth2 관련 설정 추가

src/main/java/com/example/oauthspringsecurity/config/SecurityConfig.java

@@ -0,0 +1,24 @@
+package com.example.oauthspringsecurity.config;
+
+import com.example.oauthspringsecurity.service.OAuthService;
+
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@EnableWebSecurity // spring security 설정을 활성화시켜주는 어노테이션
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+    private final OAuthService oAuthService;
+
+    public SecurityConfig(OAuthService oAuthService) {
+        this.oAuthService = oAuthService;
+    }
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.oauth2Login() // OAuth2 로그인 설정 시작점
+            .userInfoEndpoint() // OAuth2 로그인 성공 이후 사용자 정보를 가져올 때 설정 담당
+            .userService(oAuthService); // OAuth2 로그인 성공 시, 후작업을 진행할 UserService 인터페이스 구현체 등록
+    }
+}

src/main/java/com/example/oauthspringsecurity/service/OAuthService.java

@@ -0,0 +1,15 @@
+package com.example.oauthspringsecurity.service;
+
+import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest;
+import org.springframework.security.oauth2.client.userinfo.OAuth2UserService;
+import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.stereotype.Service;
+
+@Service
+public class OAuthService implements OAuth2UserService<OAuth2UserRequest, OAuth2User> {
+    @Override
+    public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException {
+        return null;
+    }
+}