로그아웃 추가

서블릿 필터에서 Exception 발생시 처리

src/main/kotlin/kr/co/vividnext/sodalive/common/ExceptionHandlerFilter.kt

@@ -0,0 +1,26 @@
+package kr.co.vividnext.sodalive.common
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.springframework.web.filter.OncePerRequestFilter
+import javax.servlet.FilterChain
+import javax.servlet.http.HttpServletRequest
+import javax.servlet.http.HttpServletResponse
+
+class ExceptionHandlerFilter(private val objectMapper: ObjectMapper) : OncePerRequestFilter() {
+    override fun doFilterInternal(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        filterChain: FilterChain
+    ) {
+        try {
+            filterChain.doFilter(request, response)
+        } catch (e: Exception) {
+            response.status = 401
+            response.contentType = "application/json"
+            response.characterEncoding = "UTF-8"
+
+            val json = objectMapper.writeValueAsString(ApiResponse.error("로그인 정보를 확인해주세요."))
+            response.writer.write(json)
+        }
+    }
+}