diff options
Diffstat (limited to 'modules/caddyhttp/fileserver/staticfiles.go')
| -rw-r--r-- | modules/caddyhttp/fileserver/staticfiles.go | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/modules/caddyhttp/fileserver/staticfiles.go b/modules/caddyhttp/fileserver/staticfiles.go index 080e1a8..49c2be4 100644 --- a/modules/caddyhttp/fileserver/staticfiles.go +++ b/modules/caddyhttp/fileserver/staticfiles.go @@ -4,6 +4,7 @@ import ( "fmt" "html/template" weakrand "math/rand" + "mime" "net/http" "os" "path" @@ -185,14 +186,21 @@ func (fsrv *FileServer) ServeHTTP(w http.ResponseWriter, r *http.Request) error // TODO: Etag - // do not allow Go to sniff the content-type if w.Header().Get("Content-Type") == "" { - w.Header()["Content-Type"] = nil + mtyp := mime.TypeByExtension(filepath.Ext(filename)) + if mtyp == "" { + // do not allow Go to sniff the content-type; see + // https://www.youtube.com/watch?v=8t8JYpt0egE + // TODO: Consider writing a default mime type of application/octet-stream - this is secure but violates spec + w.Header()["Content-Type"] = nil + } else { + w.Header().Set("Content-Type", mtyp) + } } // let the standard library do what it does best; note, however, // that errors generated by ServeContent are written immediately - // to the response, so we cannot handle them (but errors here + // to the response, so we cannot handle them (but errors there // are rare) http.ServeContent(w, r, info.Name(), info.ModTime(), file) |