From 0ee90902c63c57d2529808244aefc00037fd2f7f Mon Sep 17 00:00:00 2001
From: Mathieu Carbou <mathieu.carbou@gmail.com>
Date: Wed, 24 Sep 2025 20:26:39 +0200
Subject: [PATCH] Fix #292: Upload handler was not called when an empty file
 was uploaded. Uploading an empty file is a valid use case. Ref:
 https://github.com/ESP32Async/ESPAsyncWebServer/issues/292

---
 src/WebRequest.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/WebRequest.cpp b/src/WebRequest.cpp
index 2abc4867f..5bbe0b723 100644
--- a/src/WebRequest.cpp
+++ b/src/WebRequest.cpp
@@ -596,13 +596,11 @@ void AsyncWebServerRequest::_parseMultipartPostByte(uint8_t data, bool last) {
       if (!_itemIsFile) {
         _params.emplace_back(_itemName, _itemValue, true);
       } else {
-        if (_itemSize) {
-          if (_handler) {
-            _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true);
-          }
-          _itemBufferIndex = 0;
-          _params.emplace_back(_itemName, _itemFilename, true, true, _itemSize);
+        if (_handler) {
+          _handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true);
         }
+        _itemBufferIndex = 0;
+        _params.emplace_back(_itemName, _itemFilename, true, true, _itemSize);
         free(_itemBuffer);
         _itemBuffer = NULL;
       }