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swarm/api: remove ioutil.ReadAll for HandleGetFiles (#17276)

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This commit is contained in:
Anton Evangelatov 2018-07-30 11:19:26 +02:00 committed by Péter Szilágyi
parent a5d5609e38
commit 273c7a9dc4
1 changed files with 2 additions and 19 deletions
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21
swarm/api/http/server.go
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@ -897,11 +897,11 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
ctx, sp = spancontext.StartSpan(
ctx,
"http.get.file")
defer sp.Finish()
// ensure the root path has a trailing slash so that relative URLs work
if r.uri.Path == "" && !strings.HasSuffix(r.URL.Path, "/") {
http.Redirect(w, &r.Request, r.URL.Path+"/", http.StatusMovedPermanently)
sp.Finish()
return
}
var err error
@ -912,7 +912,6 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
if err != nil {
getFileFail.Inc(1)
Respond(w, r, fmt.Sprintf("cannot resolve %s: %s", r.uri.Addr, err), http.StatusNotFound)
sp.Finish()
return
}
} else {
@ -928,7 +927,6 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
if noneMatchEtag != "" {
if bytes.Equal(storage.Address(common.Hex2Bytes(noneMatchEtag)), contentKey) {
Respond(w, r, "Not Modified", http.StatusNotModified)
sp.Finish()
return
}
}
@ -942,7 +940,6 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
getFileFail.Inc(1)
Respond(w, r, err.Error(), http.StatusInternalServerError)
}
sp.Finish()
return
}
@ -953,14 +950,12 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
if err != nil {
getFileFail.Inc(1)
Respond(w, r, err.Error(), http.StatusInternalServerError)
sp.Finish()
return
}
log.Debug(fmt.Sprintf("Multiple choices! --> %v", list), "ruid", r.ruid)
//show a nice page links to available entries
ShowMultipleChoices(w, r, list)
sp.Finish()
return
}
@ -968,23 +963,11 @@ func (s *Server) HandleGetFile(w http.ResponseWriter, r *Request) {
if _, err := reader.Size(ctx, nil); err != nil {
getFileNotFound.Inc(1)
Respond(w, r, fmt.Sprintf("file not found %s: %s", r.uri, err), http.StatusNotFound)
sp.Finish()
return
}
buf, err := ioutil.ReadAll(newBufferedReadSeeker(reader, getFileBufferSize))
if err != nil {
getFileNotFound.Inc(1)
Respond(w, r, fmt.Sprintf("file not found %s: %s", r.uri, err), http.StatusNotFound)
sp.Finish()
return
}
log.Debug("got response in buffer", "len", len(buf), "ruid", r.ruid)
sp.Finish()
w.Header().Set("Content-Type", contentType)
http.ServeContent(w, &r.Request, "", time.Now(), bytes.NewReader(buf))
http.ServeContent(w, &r.Request, "", time.Now(), newBufferedReadSeeker(reader, getFileBufferSize))
}
// The size of buffer used for bufio.Reader on LazyChunkReader passed to