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Removing Firefox 61-62 patch

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Signed-off-by: Gontier Julien <gontierjulien68@gmail.com>
This commit is contained in:
Gontier Julien
2022-09-14 11:15:23 +02:00
parent 533ea58e67
commit 1fff629074
1 changed files with 1 additions and 17 deletions
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18
doh-server/ietf.go
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@@ -182,8 +182,6 @@ func (s *Server) generateResponseIETF(ctx context.Context, w http.ResponseWriter
w.Header().Set("Last-Modified", now)
w.Header().Set("Vary", "Accept")
_ = s.patchFirefoxContentType(w, r, req)
if respJSON.HaveTTL {
if req.isTailored {
w.Header().Set("Cache-Control", "private, max-age="+strconv.FormatUint(uint64(respJSON.LeastTTL), 10))
@@ -217,18 +215,4 @@ func (s *Server) patchDNSCryptProxyReqID(w http.ResponseWriter, r *http.Request,
return true
}
return false
}
// Workaround a bug causing Firefox 61-62 to reject responses with Content-Type = application/dns-message
func (s *Server) patchFirefoxContentType(w http.ResponseWriter, r *http.Request, req *DNSRequest) bool {
if strings.Contains(r.UserAgent(), "Firefox") && strings.Contains(r.Header.Get("Accept"), "application/dns-udpwireformat") && !strings.Contains(r.Header.Get("Accept"), "application/dns-message") {
if s.conf.Verbose {
log.Println("Firefox 61-62 detected. Patching response.")
}
w.Header().Set("Content-Type", "application/dns-udpwireformat")
w.Header().Set("Vary", "Accept, User-Agent")
req.isTailored = true
return true
}
return false
}
}