diff options
Diffstat (limited to 'internal/api/fileserver/servefile.go')
| -rw-r--r-- | internal/api/fileserver/servefile.go | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/internal/api/fileserver/servefile.go b/internal/api/fileserver/servefile.go index 8fb5a838e..fc6ef0e7e 100644 --- a/internal/api/fileserver/servefile.go +++ b/internal/api/fileserver/servefile.go @@ -224,10 +224,20 @@ func serveFileRange(rw http.ResponseWriter, r *http.Request, src io.Reader, rng return } - // Dump the first 'start' many bytes into the void... - if _, err := fastcopy.CopyN(io.Discard, src, start); err != nil { - log.Errorf(r.Context(), "error reading from source: %v", err) - return + if rs, ok := src.(io.ReadSeeker); ok { + // Source supports seeking (usually *os.File), + // seek to the 'start' byte position in file. + if _, err := rs.Seek(start, 0); err != nil { + log.Errorf(r.Context(), "error seeking in source: %v", err) + return + } + } else { + // Compat for when no seek call is implemented, + // dump the first 'start' many bytes into void. + if _, err := fastcopy.CopyN(io.Discard, src, start); err != nil { + log.Errorf(r.Context(), "error reading from source: %v", err) + return + } } // Determine new content length |