99 lines
3.2 KiB
Go
99 lines
3.2 KiB
Go
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package direct
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import (
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"context"
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"github.com/getsentry/sentry-go"
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"github.com/nmcclain/ldap"
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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/flow"
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"goauthentik.io/internal/outpost/ldap/bind"
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"goauthentik.io/internal/outpost/ldap/flags"
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"goauthentik.io/internal/outpost/ldap/metrics"
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)
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func (db *DirectBinder) Bind(username string, req *bind.Request) (ldap.LDAPResultCode, error) {
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fe := flow.NewFlowExecutor(req.Context(), db.si.GetAuthenticationFlowSlug(), db.si.GetAPIClient().GetConfig(), log.Fields{
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"bindDN": req.BindDN,
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"client": req.RemoteAddr(),
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"requestId": req.ID(),
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})
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fe.DelegateClientIP(req.RemoteAddr())
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fe.Params.Add("goauthentik.io/outpost/ldap", "true")
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fe.Answers[flow.StageIdentification] = username
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fe.Answers[flow.StagePassword] = req.BindPW
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passed, err := fe.Execute()
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flags := flags.UserFlags{
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Session: fe.GetSession(),
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}
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db.si.SetFlags(req.BindDN, &flags)
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if err != nil {
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metrics.RequestsRejected.With(prometheus.Labels{
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"outpost_name": db.si.GetOutpostName(),
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"type": "bind",
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"reason": "flow_error",
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"app": db.si.GetAppSlug(),
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}).Inc()
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req.Log().WithError(err).Warning("failed to execute flow")
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return ldap.LDAPResultInvalidCredentials, nil
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}
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if !passed {
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metrics.RequestsRejected.With(prometheus.Labels{
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"outpost_name": db.si.GetOutpostName(),
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"type": "bind",
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"reason": "invalid_credentials",
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"app": db.si.GetAppSlug(),
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}).Inc()
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req.Log().Info("Invalid credentials")
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return ldap.LDAPResultInvalidCredentials, nil
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}
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access, err := fe.CheckApplicationAccess(db.si.GetAppSlug())
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if !access {
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req.Log().Info("Access denied for user")
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metrics.RequestsRejected.With(prometheus.Labels{
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"outpost_name": db.si.GetOutpostName(),
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"type": "bind",
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"reason": "access_denied",
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"app": db.si.GetAppSlug(),
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}).Inc()
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return ldap.LDAPResultInsufficientAccessRights, nil
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}
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if err != nil {
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metrics.RequestsRejected.With(prometheus.Labels{
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"outpost_name": db.si.GetOutpostName(),
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"type": "bind",
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"reason": "access_check_fail",
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"app": db.si.GetAppSlug(),
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}).Inc()
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req.Log().WithError(err).Warning("failed to check access")
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return ldap.LDAPResultOperationsError, nil
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}
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req.Log().Info("User has access")
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uisp := sentry.StartSpan(req.Context(), "authentik.providers.ldap.bind.user_info")
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// Get user info to store in context
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userInfo, _, err := fe.ApiClient().CoreApi.CoreUsersMeRetrieve(context.Background()).Execute()
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if err != nil {
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metrics.RequestsRejected.With(prometheus.Labels{
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"outpost_name": db.si.GetOutpostName(),
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"type": "bind",
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"reason": "user_info_fail",
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"app": db.si.GetAppSlug(),
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}).Inc()
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req.Log().WithError(err).Warning("failed to get user info")
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return ldap.LDAPResultOperationsError, nil
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}
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cs := db.SearchAccessCheck(userInfo.User)
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flags.UserPk = userInfo.User.Pk
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flags.CanSearch = cs != nil
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db.si.SetFlags(req.BindDN, &flags)
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if flags.CanSearch {
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req.Log().WithField("group", cs).Info("Allowed access to search")
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}
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uisp.Finish()
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return ldap.LDAPResultSuccess, nil
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}
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