Destroy file stream in case of upload timeout.

lib/processMultipart.js

@@ -59,8 +59,8 @@ module.exports = (options, req, res, next) => {
       : memHandler(options, field, filename);     // Upload into RAM.
     // Define upload timer.
     const uploadTimer = new UploadTimer(options.uploadTimeout, () => {
-      debugLog(options, `Upload timeout ${field}->${filename}, bytes:${getFileSize()}`);
-      cleanup();
+      // After destroy an error event will be emitted and file clean up will be done.
+      file.destroy(new Error(`Upload timeout ${field}->${filename}, bytes:${getFileSize()}`));
     });
 
     file.on('limit', () => {
@@ -109,9 +109,8 @@ module.exports = (options, req, res, next) => {
     });
 
     file.on('error', (err) => {
-      // Reset upload timer in case of errors.
-      uploadTimer.clear();
-      debugLog(options, `Error ${field}->${filename}, bytes:${getFileSize()}, error:${err}`);
+      uploadTimer.clear(); // Reset upload timer in case of errors.
+      debugLog(options, err);
       cleanup();
       next();
     });