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outpost: check for X-Forwarded-Host to switch context

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Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer
2021-04-23 14:07:44 +02:00
parent 5b3941a425
commit 7a49377caf
5 changed files with 21 additions and 8 deletions
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5
outpost/pkg/proxy/server.go
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@ -42,7 +42,8 @@ func (s *Server) handler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(204)
return
}
handler, ok := s.Handlers[r.Host]
host := getHost(r)
handler, ok := s.Handlers[host]
if !ok {
// If we only have one handler, host name switching doesn't matter
if len(s.Handlers) == 1 {
@ -56,7 +57,7 @@ func (s *Server) handler(w http.ResponseWriter, r *http.Request) {
for k := range s.Handlers {
hostKeys = append(hostKeys, k)
}
s.logger.WithField("host", r.Host).WithField("known-hosts", strings.Join(hostKeys, ", ")).Debug("Host header does not match any we know of")
s.logger.WithField("host", host).WithField("known-hosts", strings.Join(hostKeys, ", ")).Debug("Host header does not match any we know of")
w.WriteHeader(404)
return
}