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allow range request for every content type, move lock only when metadata has to be updated

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This commit is contained in:
Andrea Spacca 2022-07-10 13:51:24 +09:00
parent 35e794220b
commit 634c356285
1 changed files with 19 additions and 5 deletions
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24
server/handlers.go
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@ -686,9 +686,6 @@ func (s *Server) unlock(token, filename string) {
}
func (s *Server) checkMetadata(ctx context.Context, token, filename string, increaseDownload bool) (metadata, error) {
s.lock(token, filename)
defer s.unlock(token, filename)
var metadata metadata
r, _, err := s.storage.Get(ctx, token, fmt.Sprintf("%s.metadata", filename))
@ -705,7 +702,23 @@ func (s *Server) checkMetadata(ctx context.Context, token, filename string, incr
} else if !metadata.MaxDate.IsZero() && time.Now().After(metadata.MaxDate) {
return metadata, errors.New("maxDate expired")
} else if metadata.MaxDownloads != -1 && increaseDownload {
// todo(nl5887): mutex?
s.lock(token, filename)
defer s.unlock(token, filename)
r2, _, err := s.storage.Get(ctx, token, fmt.Sprintf("%s.metadata", filename))
defer CloseCheck(r2.Close)
if err != nil {
return metadata, err
}
if err := json.NewDecoder(r2).Decode(&metadata); err != nil {
return metadata, err
}
if metadata.Downloads >= metadata.MaxDownloads {
return metadata, errors.New("maxDownloads expired")
}
// update number of downloads
metadata.Downloads++
@ -994,6 +1007,7 @@ func (s *Server) headHandler(w http.ResponseWriter, r *http.Request) {
remainingDownloads, remainingDays := metadata.remainingLimitHeaderValues()
w.Header().Set("Accept-Ranges", "bytes")
w.Header().Set("Content-Type", contentType)
w.Header().Set("Content-Length", strconv.FormatUint(contentLength, 10))
w.Header().Set("Connection", "close")
@ -1051,7 +1065,7 @@ func (s *Server) getHandler(w http.ResponseWriter, r *http.Request) {
reader = ioutil.NopCloser(bluemonday.UGCPolicy().SanitizeReader(reader))
}
if w.Header().Get("Range") != "" || strings.HasPrefix(metadata.ContentType, "video") || strings.HasPrefix(metadata.ContentType, "audio") {
if r.Header.Get("Range") != "" {
file, err := ioutil.TempFile(s.tempPath, "range-")
defer s.cleanTmpFile(file)