Merge pull request #153 from swm-nodriversomabus/FIX-Login-Page-Url

fix(BE): login page로 redirect 대신 401에러로 대체 #114

src/main/java/com/example/api/auth/config/SecurityConfig.java

@@ -12,13 +12,15 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 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.configurers.AbstractHttpConfigurer;
 import org.springframework.security.config.http.SessionCreationPolicy;
 import org.springframework.security.oauth2.client.web.OAuth2LoginAuthenticationFilter;
 import org.springframework.security.web.SecurityFilterChain;
+import org.springframework.security.web.authentication.HttpStatusEntryPoint;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.cors.CorsConfigurationSource;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
@@ -69,7 +71,7 @@ public SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Excepti
                             .baseUri("/oauth2/authorization")
                             .authorizationRequestRepository(oAuth2AuthorizationRequestBasedOnCookieRepository)
             );
-            oauth2.loginPage(loginPage);
+//            oauth2.loginPage();
             oauth2.redirectionEndpoint(redirectionEndpointConfig -> redirectionEndpointConfig.baseUri("/*/oauth2/code/*"));
             oauth2.userInfoEndpoint( // oauth2 로그인 시 사용자 정보를 가져오는 엔드포인트와 사용자 서비스 설정
                     userInfoEndpointConfig ->
@@ -78,6 +80,11 @@ public SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Excepti
             oauth2.failureHandler(oAuth2LoginFailureHandler);//핸들러
             oauth2.successHandler(oAUth2LoginSuccessHandler);
         });
+        httpSecurity.exceptionHandling(
+                exceptionHandling -> exceptionHandling.authenticationEntryPoint(
+                        new HttpStatusEntryPoint(HttpStatus.UNAUTHORIZED)
+                )
+        );
         httpSecurity.logout(
                 logout ->
                         logout