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authentik/internal/outpost/proxyv2/application/mode_proxy.go

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outposts/proxyv2 (#1365) * outposts/proxyv2: initial commit Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add rs256 Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> more stuff Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add forward auth an sign_out Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> match cookie name Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> re-add support for rs256 for backwards compat Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add error handler Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> ensure unique user-agent is used Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> set cookie duration based on id_token expiry Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> build proxy v2 Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add ssl Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add basic auth and custom header support Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add application cert loading Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> implement whitelist Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add redis Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> migrate embedded outpost to v2 Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> remove old proxy Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> providers/proxy: make token expiration configurable Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> add metrics Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> fix tests Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * providers/proxy: only allow one redirect URI Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * fix docker build for proxy Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * remove default port offset Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * add AUTHENTIK_HOST_BROWSER Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * tests: fix e2e/integration tests not using proper tags Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * remove references of old port Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * fix user_attributes not being loaded correctly Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * cleanup dependencies Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org> * cleanup Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
2021-09-08 18:04:56 +00:00
package application
import (
"net/http"
"net/http/httputil"
"net/url"
"time"
"github.com/prometheus/client_golang/prometheus"
"goauthentik.io/internal/outpost/proxyv2/metrics"
"goauthentik.io/internal/outpost/proxyv2/templates"
"goauthentik.io/internal/utils/web"
)
func (a *Application) configureProxy() error {
// Reverse proxy to the application server
u, err := url.Parse(*a.proxyConfig.InternalHost)
if err != nil {
return err
}
rp := &httputil.ReverseProxy{Director: a.proxyModifyRequest(u)}
rp.ErrorHandler = NewProxyErrorHandler(templates.GetTemplates())
rp.ModifyResponse = a.proxyModifyResponse
a.mux.PathPrefix("/").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
claims, err := a.getClaims(r)
if claims == nil && a.IsAllowlisted(r) {
a.log.Trace("path can be accessed without authentication")
} else if claims == nil && err != nil {
a.redirectToStart(rw, r)
return
} else {
a.addHeaders(r, claims)
}
before := time.Now()
rp.ServeHTTP(rw, r)
after := time.Since(before)
user := ""
if claims != nil {
user = claims.Email
}
metrics.UpstreamTiming.With(prometheus.Labels{
"upstream_host": u.String(),
"scheme": r.URL.Scheme,
"method": r.Method,
"path": r.URL.Path,
"host": web.GetHost(r),
"user": user,
}).Observe(float64(after))
})
return nil
}
func (a *Application) proxyModifyRequest(u *url.URL) func(req *http.Request) {
return func(req *http.Request) {
req.URL.Scheme = u.Scheme
req.URL.Host = u.Host
}
}
func (a *Application) proxyModifyResponse(res *http.Response) error {
return nil
}