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authentik/internal/outpost/ldap/search.go

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package ldap
import (
"errors"
"net"
"strings"
"beryju.io/ldap"
"github.com/getsentry/sentry-go"
goldap "github.com/go-ldap/ldap/v3"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
"goauthentik.io/internal/outpost/ldap/metrics"
"goauthentik.io/internal/outpost/ldap/search"
)
func (ls *LDAPServer) Search(bindDN string, searchReq ldap.SearchRequest, conn net.Conn) (ldap.ServerSearchResult, error) {
req, span := search.NewRequest(bindDN, searchReq, conn)
selectedApp := ""
defer func() {
span.Finish()
metrics.Requests.With(prometheus.Labels{
"outpost_name": ls.ac.Outpost.Name,
"type": "search",
"app": selectedApp,
}).Observe(float64(span.EndTime.Sub(span.StartTime)))
req.Log().WithField("took-ms", span.EndTime.Sub(span.StartTime).Milliseconds()).Info("Search request")
}()
defer func() {
err := recover()
if err == nil {
return
}
log.WithError(err.(error)).Error("recover in search request")
sentry.CaptureException(err.(error))
}()
if searchReq.BaseDN == "" {
return ldap.ServerSearchResult{
Entries: []*ldap.Entry{
{
DN: "",
Attributes: []*ldap.EntryAttribute{
{
Name: "objectClass",
Values: []string{"top", "OpenLDAProotDSE"},
},
{
Name: "subschemaSubentry",
Values: []string{"cn=subschema"},
},
},
},
},
Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess,
}, nil
}
bd, err := goldap.ParseDN(strings.ToLower(searchReq.BaseDN))
if err != nil {
req.Log().WithError(err).Info("failed to parse basedn")
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, errors.New("invalid DN")
}
for _, provider := range ls.providers {
providerBase, _ := goldap.ParseDN(strings.ToLower(provider.BaseDN))
if providerBase.AncestorOf(bd) || providerBase.Equal(bd) {
selectedApp = provider.GetAppSlug()
return provider.searcher.Search(req)
}
}
return ldap.ServerSearchResult{
Entries: []*ldap.Entry{
{
DN: "",
Attributes: []*ldap.EntryAttribute{
{
Name: "objectClass",
Values: []string{"top", "OpenLDAProotDSE"},
},
{
Name: "subschemaSubentry",
Values: []string{"cn=subschema"},
},
},
},
},
Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess,
}, nil
}