escaping upload file name special characters

if already gzipped, avoid gzipping again

go/operation/upload_content.go

@@ -21,11 +21,13 @@ type UploadResult struct {
 	Error string
 }
 
+var fileNameEscaper = strings.NewReplacer("\\", "\\\\", "\"", "\\\"")
+
 func Upload(uploadUrl string, filename string, reader io.Reader, isGzipped bool) (*UploadResult, error) {
 	body_buf := bytes.NewBufferString("")
 	body_writer := multipart.NewWriter(body_buf)
 	h := make(textproto.MIMEHeader)
-	h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="file"; filename="%s"`, filename))
+	h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="file"; filename="%s"`, fileNameEscaper.Replace(filename)))
 	h.Set("Content-Type", mime.TypeByExtension(strings.ToLower(filepath.Ext(filename))))
 	if isGzipped {
 		h.Set("Content-Encoding", "gzip")

go/weed/upload.go

@@ -78,7 +78,12 @@ func upload(filename string, server string, fid string) (int, error) {
 		debug("Failed to stat file:", filename)
 		return 0, fiErr
 	}
-	ret, e := operation.Upload("http://"+server+"/"+fid+"?ts="+strconv.Itoa(int(fi.ModTime().Unix())), path.Base(filename), fh, false)
+	filename = path.Base(filename)
+	isGzipped := path.Ext(filename) == ".gz"
+	if isGzipped {
+	  filename = filename[0:len(filename)-3]
+	}
+	ret, e := operation.Upload("http://"+server+"/"+fid+"?ts="+strconv.Itoa(int(fi.ModTime().Unix())), filename, fh, isGzipped)
 	if e != nil {
 		return 0, e
 	}