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outposts/proxy: always redirect on forward_auth for traefik 

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer 2021-09-10 12:43:57 +02:00
parent 2428d5f1c2
commit 3d042e708a
1 changed files with 16 additions and 16 deletions
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32
internal/outpost/proxyv2/application/mode_forward.go
View File

@ -33,27 +33,27 @@ func (a *Application) forwardHandleTraefik(rw http.ResponseWriter, r *http.Reque
return
}
host := ""
s, _ := a.sessions.Get(r, constants.SeesionName)
// Optional suffix, which is appended to the URL
if *a.proxyConfig.Mode == api.PROXYMODE_FORWARD_SINGLE {
host = web.GetHost(r)
} else if *a.proxyConfig.Mode == api.PROXYMODE_FORWARD_DOMAIN {
host = a.proxyConfig.ExternalHost
// set the redirect flag to the current URL we have, since we redirect
// to a (possibly) different domain, but we want to be redirected back
// to the application
s, _ := a.sessions.Get(r, constants.SeesionName)
// see https://doc.traefik.io/traefik/middlewares/forwardauth/
// X-Forwarded-Uri is only the path, so we need to build the entire URL
s.Values[constants.SessionRedirect] = fmt.Sprintf(
"%s://%s%s",
r.Header.Get("X-Forwarded-Proto"),
r.Header.Get("X-Forwarded-Host"),
r.Header.Get("X-Forwarded-Uri"),
)
err := s.Save(r, rw)
if err != nil {
a.log.WithError(err).Warning("failed to save session before redirect")
}
}
// set the redirect flag to the current URL we have, since we redirect
// to a (possibly) different domain, but we want to be redirected back
// to the application
// see https://doc.traefik.io/traefik/middlewares/forwardauth/
// X-Forwarded-Uri is only the path, so we need to build the entire URL
s.Values[constants.SessionRedirect] = fmt.Sprintf(
"%s://%s%s",
r.Header.Get("X-Forwarded-Proto"),
r.Header.Get("X-Forwarded-Host"),
r.Header.Get("X-Forwarded-Uri"),
)
err = s.Save(r, rw)
if err != nil {
a.log.WithError(err).Warning("failed to save session before redirect")
}
proto := r.Header.Get("X-Forwarded-Proto")
if proto != "" {