From 868b53ce21912343e8fbc556e50283f93efa9fc0 Mon Sep 17 00:00:00 2001
From: Jasper Horn <jasperhorn@gmail.com>
Date: Mon, 10 Feb 2020 02:29:59 +0100
Subject: [PATCH] Improve LittleFS support

Previously, when the path was a directory, but didn't have a slash at
the end, a 0 byte response would be sent when using LittleFS. Now, it
will return a 404, like was always the case when using SPIFFS.
---
 .../ESP8266WebServer/src/detail/RequestHandlersImpl.h      | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h b/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
index 1c44f7833f..68aa481e0a 100644
--- a/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
+++ b/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
@@ -78,7 +78,7 @@ class StaticRequestHandler : public RequestHandler<ServerType> {
         else {
             _isFile = false;
         }
-        
+
         DEBUGV("StaticRequestHandler: path=%s uri=%s isFile=%d, cache_header=%s\r\n", path, uri, _isFile, cache_header);
         _baseUriLength = _uri.length();
     }
@@ -132,6 +132,11 @@ class StaticRequestHandler : public RequestHandler<ServerType> {
         if (!f)
             return false;
 
+        if (!f.isFile()) {
+            f.close();
+            return false;
+        }
+
         if (_cache_header.length() != 0)
             server.sendHeader("Cache-Control", _cache_header);