[feat] #17 OAuth2LoginFailureHandler 생성

src/main/java/com/wedit/weditapp/global/auth/login/handler/OAuth2LoginFailureHandler.java

@@ -0,0 +1,22 @@
+package com.wedit.weditapp.global.auth.login.handler;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.authentication.AuthenticationFailureHandler;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+@Slf4j
+@Component
+public class OAuth2LoginFailureHandler implements AuthenticationFailureHandler {
+    @Override
+    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
+        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+        response.getWriter().write("소셜 로그인 실패! 서버 로그를 확인해주세요.");
+        log.info("소셜 로그인에 실패했습니다. 에러 메시지 : {}", exception.getMessage());
+    }
+}