fix: recognize small text files (filebrowser#531)

Former-commit-id: c4d7475d7fe858562fb5f45dc39164aac2463cbd [formerly da7f7862848b719e71b0b4af9fb4c9813a2c1629] [formerly 264f015d1a736fd5d237e7895d3ee142b0137cee [formerly a019489]] Former-commit-id: 218bd162ee8f5222fdb0c717b481524c210ded7a [formerly 916f1ca36e2439e32d1b6a8baa0eee7a8efd290c] Former-commit-id: ad2dd70b88612c8a212c0351abdeae9da442e21d
keshuai · Sep 8, 2018 · b85a075 · b85a075
1 parent 7e3a15e
commit b85a075
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/file.go b/lib/file.go
@@ -223,14 +223,14 @@ func (i *File) GetFileType(checkContent bool) error {
 
  // Only the first 512 bytes are used to sniff the content type.
  buffer := make([]byte, 512)
- _, err = file.Read(buffer)
+ n, err := file.Read(buffer)
  if err != nil && err != io.EOF {
  return err
  }
 
  // Tries to get the file mimetype using its first
  // 512 bytes.
- mimetype = http.DetectContentType(buffer)
+ mimetype = http.DetectContentType(buffer[:n])
  }
 
  if strings.HasPrefix(mimetype, "video") {