From 16e0ba1c85bec2aa0be1e8ff321356ac61342c1b Mon Sep 17 00:00:00 2001
From: byun <nulav@naver.com>
Date: Mon, 6 Oct 2025 17:43:00 +0000
Subject: [PATCH] =?UTF-8?q?=EB=8B=A4=EC=9A=B4=EB=A1=9C=EB=93=9C=20?=
 =?UTF-8?q?=ED=8C=8C=EC=9D=BC=EB=AA=85=20=EC=9C=A0=EC=A7=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ESP32_CAN_Logger.ino | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/ESP32_CAN_Logger.ino b/ESP32_CAN_Logger.ino
index 8cc13fb..a930a74 100644
--- a/ESP32_CAN_Logger.ino
+++ b/ESP32_CAN_Logger.ino
@@ -756,6 +756,15 @@ void setup() {
             if (SD.exists(filename)) {
                 File file = SD.open(filename, FILE_READ);
                 if (file) {
+                    // 파일명만 추출 (경로 제거)
+                    String displayName = server.arg("file");
+                    
+                    // Content-Disposition 헤더 추가 (원본 파일명 지정)
+                    server.sendHeader("Content-Disposition", 
+                        "attachment; filename=\"" + displayName + "\"");
+                    server.sendHeader("Content-Type", "application/octet-stream");
+                    
+                    // 파일 전송
                     server.streamFile(file, "application/octet-stream");
                     file.close();
                 } else {
@@ -768,7 +777,6 @@ void setup() {
             server.send(400, "text/plain", "Bad request");
         }
     });
-    
     server.begin();
     
     canQueue = xQueueCreate(CAN_QUEUE_SIZE, sizeof(CANMessage));