authentik/internal/utils/web/http_host_interceptor.go

37 lines
701 B
Go

package web
import (
"net/http"
"net/url"
log "github.com/sirupsen/logrus"
)
type hostInterceptor struct {
inner http.RoundTripper
host string
scheme string
}
func (t hostInterceptor) RoundTrip(r *http.Request) (*http.Response, error) {
if r.Host != t.host {
r.Host = t.host
r.Header.Set("X-Forwarded-Proto", t.scheme)
}
return t.inner.RoundTrip(r)
}
func NewHostInterceptor(inner *http.Client, host string) *http.Client {
aku, err := url.Parse(host)
if err != nil {
log.WithField("host", host).WithError(err).Warn("failed to parse host")
}
return &http.Client{
Transport: hostInterceptor{
inner: inner.Transport,
host: aku.Host,
scheme: aku.Scheme,
},
}
}