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cmd/syncthing: Correctly compare If-Modified-Since in HTTP server (#5016)

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xjtdy888 2018-06-18 14:14:17 +08:00 committed by Jakob Borg
parent 54e17c8bf4
commit 7d3f94911f
1 changed files with 5 additions and 3 deletions
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8
cmd/syncthing/gui_statics.go
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@ -131,9 +131,11 @@ func (s *staticsServer) serveAsset(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Last-Modified", modified.Format(http.TimeFormat))
w.Header().Set("Etag", etag)
if t, err := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since")); err == nil && modified.Add(time.Second).After(t) {
w.WriteHeader(http.StatusNotModified)
return
if t, err := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since")); err == nil {
if modified.Equal(t) || modified.Before(t) {
w.WriteHeader(http.StatusNotModified)
return
}
}
if match := r.Header.Get("If-None-Match"); match != "" {