108 lines
2.2 KiB
Go
108 lines
2.2 KiB
Go
package ldap
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import (
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"context"
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"crypto/tls"
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"net"
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"sync"
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"github.com/pires/go-proxyproto"
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log "github.com/sirupsen/logrus"
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"goauthentik.io/internal/config"
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"goauthentik.io/internal/crypto"
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"goauthentik.io/internal/outpost/ak"
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"goauthentik.io/internal/outpost/ldap/metrics"
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"github.com/nmcclain/ldap"
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)
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type LDAPServer struct {
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s *ldap.Server
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log *log.Entry
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ac *ak.APIController
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cs *ak.CryptoStore
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defaultCert *tls.Certificate
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providers []*ProviderInstance
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}
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func NewServer(ac *ak.APIController) *LDAPServer {
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s := ldap.NewServer()
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s.EnforceLDAP = true
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ls := &LDAPServer{
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s: s,
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log: log.WithField("logger", "authentik.outpost.ldap"),
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ac: ac,
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cs: ak.NewCryptoStore(ac.Client.CryptoApi),
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providers: []*ProviderInstance{},
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}
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defaultCert, err := crypto.GenerateSelfSignedCert()
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if err != nil {
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log.Warning(err)
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}
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ls.defaultCert = &defaultCert
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s.BindFunc("", ls)
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s.UnbindFunc("", ls)
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s.SearchFunc("", ls)
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return ls
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}
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func (ls *LDAPServer) Type() string {
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return "ldap"
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}
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func (ls *LDAPServer) StartLDAPServer() error {
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listen := config.Get().Listen.LDAP
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ln, err := net.Listen("tcp", listen)
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if err != nil {
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ls.log.WithField("listen", listen).WithError(err).Warning("Failed to listen (SSL)")
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return err
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}
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proxyListener := &proxyproto.Listener{Listener: ln}
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defer proxyListener.Close()
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ls.log.WithField("listen", listen).Info("Starting LDAP server")
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err = ls.s.Serve(proxyListener)
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if err != nil {
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return err
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}
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ls.log.WithField("listen", listen).Info("Stopping LDAP server")
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return ls.s.ListenAndServe(listen)
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}
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func (ls *LDAPServer) Start() error {
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wg := sync.WaitGroup{}
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wg.Add(3)
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go func() {
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defer wg.Done()
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metrics.RunServer()
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}()
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go func() {
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defer wg.Done()
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err := ls.StartLDAPServer()
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if err != nil {
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panic(err)
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}
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}()
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go func() {
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defer wg.Done()
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err := ls.StartLDAPTLSServer()
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if err != nil {
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panic(err)
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}
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}()
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wg.Wait()
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return nil
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}
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func (ls *LDAPServer) Stop() error {
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return nil
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}
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func (ls *LDAPServer) TimerFlowCacheExpiry(ctx context.Context) {
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for _, p := range ls.providers {
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ls.log.WithField("flow", p.authenticationFlowSlug).Debug("Pre-heating flow cache")
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p.binder.TimerFlowCacheExpiry(ctx)
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}
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}
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