69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
package memory
|
|
|
|
import (
|
|
"time"
|
|
|
|
ttlcache "github.com/jellydator/ttlcache/v3"
|
|
"github.com/nmcclain/ldap"
|
|
log "github.com/sirupsen/logrus"
|
|
"goauthentik.io/internal/outpost/ldap/bind"
|
|
"goauthentik.io/internal/outpost/ldap/bind/direct"
|
|
"goauthentik.io/internal/outpost/ldap/server"
|
|
)
|
|
|
|
type Credentials struct {
|
|
DN string
|
|
Password string
|
|
}
|
|
|
|
type SessionBinder struct {
|
|
direct.DirectBinder
|
|
si server.LDAPServerInstance
|
|
log *log.Entry
|
|
sessions *ttlcache.Cache[Credentials, ldap.LDAPResultCode]
|
|
}
|
|
|
|
func NewSessionBinder(si server.LDAPServerInstance, oldBinder bind.Binder) *SessionBinder {
|
|
sb := &SessionBinder{
|
|
si: si,
|
|
log: log.WithField("logger", "authentik.outpost.ldap.binder.session"),
|
|
}
|
|
if oldSb, ok := oldBinder.(*SessionBinder); ok {
|
|
sb.DirectBinder = oldSb.DirectBinder
|
|
sb.sessions = oldSb.sessions
|
|
sb.log.Debug("re-initialised session binder")
|
|
} else {
|
|
sb.sessions = ttlcache.New(ttlcache.WithDisableTouchOnHit[Credentials, ldap.LDAPResultCode]())
|
|
sb.DirectBinder = *direct.NewDirectBinder(si)
|
|
go sb.sessions.Start()
|
|
sb.log.Debug("initialised session binder")
|
|
}
|
|
return sb
|
|
}
|
|
|
|
func (sb *SessionBinder) Bind(username string, req *bind.Request) (ldap.LDAPResultCode, error) {
|
|
item := sb.sessions.Get(Credentials{
|
|
DN: req.BindDN,
|
|
Password: req.BindPW,
|
|
})
|
|
if item != nil {
|
|
sb.log.WithField("bindDN", req.BindDN).Info("authenticated from session")
|
|
return item.Value(), nil
|
|
}
|
|
sb.log.Debug("No session found for user, executing flow")
|
|
result, err := sb.DirectBinder.Bind(username, req)
|
|
// Only cache the result if there's been an error
|
|
if err == nil {
|
|
flags := sb.si.GetFlags(req.BindDN)
|
|
if flags == nil {
|
|
sb.log.Error("user flags not set after bind")
|
|
return result, err
|
|
}
|
|
sb.sessions.Set(Credentials{
|
|
DN: req.BindDN,
|
|
Password: req.BindPW,
|
|
}, result, time.Until(flags.Session.Expires))
|
|
}
|
|
return result, err
|
|
}
|