80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package radius
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import (
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"crypto/sha512"
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"github.com/getsentry/sentry-go"
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"github.com/google/uuid"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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"goauthentik.io/internal/outpost/radius/metrics"
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"goauthentik.io/internal/utils"
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"layeh.com/radius"
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)
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type RadiusRequest struct {
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*radius.Request
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log *log.Entry
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id string
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span *sentry.Span
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pi *ProviderInstance
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}
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func (r *RadiusRequest) Log() *log.Entry {
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return r.log
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}
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func (r *RadiusRequest) RemoteAddr() string {
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return utils.GetIP(r.Request.RemoteAddr)
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}
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func (r *RadiusRequest) ID() string {
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return r.id
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}
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func (rs *RadiusServer) ServeRADIUS(w radius.ResponseWriter, r *radius.Request) {
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span := sentry.StartSpan(r.Context(), "authentik.providers.radius.connect",
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sentry.TransactionName("authentik.providers.radius.connect"))
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rid := uuid.New().String()
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span.SetTag("request_uid", rid)
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rl := rs.log.WithField("code", r.Code.String()).WithField("request", rid)
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selectedApp := ""
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defer func() {
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span.Finish()
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metrics.Requests.With(prometheus.Labels{
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"outpost_name": rs.ac.Outpost.Name,
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"app": selectedApp,
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}).Observe(float64(span.EndTime.Sub(span.StartTime)))
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}()
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nr := &RadiusRequest{
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Request: r,
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log: rl,
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id: rid,
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span: span,
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}
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rl.Info("Radius Request")
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// Lookup provider by shared secret
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var pi *ProviderInstance
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for _, p := range rs.providers {
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if string(p.SharedSecret) == string(r.Secret) {
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pi = p
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selectedApp = pi.appSlug
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break
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}
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}
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if pi == nil {
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nr.Log().WithField("hashed_secret", string(sha512.New().Sum(r.Secret))).Warning("No provider found")
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_ = w.Write(r.Response(radius.CodeAccessReject))
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return
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}
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nr.pi = pi
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if nr.Code == radius.CodeAccessRequest {
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rs.Handle_AccessRequest(w, nr)
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}
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}
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