229 lines
7.5 KiB
Go
229 lines
7.5 KiB
Go
package memory
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"beryju.io/ldap"
|
|
"github.com/getsentry/sentry-go"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
log "github.com/sirupsen/logrus"
|
|
"goauthentik.io/api/v3"
|
|
"goauthentik.io/internal/outpost/ldap/constants"
|
|
"goauthentik.io/internal/outpost/ldap/flags"
|
|
"goauthentik.io/internal/outpost/ldap/group"
|
|
"goauthentik.io/internal/outpost/ldap/metrics"
|
|
"goauthentik.io/internal/outpost/ldap/search"
|
|
"goauthentik.io/internal/outpost/ldap/search/direct"
|
|
"goauthentik.io/internal/outpost/ldap/server"
|
|
"goauthentik.io/internal/outpost/ldap/utils"
|
|
"goauthentik.io/internal/outpost/ldap/utils/paginator"
|
|
)
|
|
|
|
type MemorySearcher struct {
|
|
si server.LDAPServerInstance
|
|
log *log.Entry
|
|
ds *direct.DirectSearcher
|
|
|
|
users []api.User
|
|
groups []api.Group
|
|
}
|
|
|
|
func NewMemorySearcher(si server.LDAPServerInstance) *MemorySearcher {
|
|
ms := &MemorySearcher{
|
|
si: si,
|
|
log: log.WithField("logger", "authentik.outpost.ldap.searcher.memory"),
|
|
ds: direct.NewDirectSearcher(si),
|
|
}
|
|
ms.log.Debug("initialised memory searcher")
|
|
ms.users = paginator.FetchUsers(ms.si.GetAPIClient().CoreApi.CoreUsersList(context.TODO()))
|
|
ms.groups = paginator.FetchGroups(ms.si.GetAPIClient().CoreApi.CoreGroupsList(context.TODO()))
|
|
return ms
|
|
}
|
|
|
|
func (ms *MemorySearcher) SearchBase(req *search.Request) (ldap.ServerSearchResult, error) {
|
|
return ms.ds.SearchBase(req)
|
|
}
|
|
|
|
func (ms *MemorySearcher) SearchSubschema(req *search.Request) (ldap.ServerSearchResult, error) {
|
|
return ms.ds.SearchSubschema(req)
|
|
}
|
|
|
|
func (ms *MemorySearcher) Search(req *search.Request) (ldap.ServerSearchResult, error) {
|
|
accsp := sentry.StartSpan(req.Context(), "authentik.providers.ldap.search.check_access")
|
|
baseDN := ms.si.GetBaseDN()
|
|
|
|
if len(req.BindDN) < 1 {
|
|
metrics.RequestsRejected.With(prometheus.Labels{
|
|
"outpost_name": ms.si.GetOutpostName(),
|
|
"type": "search",
|
|
"reason": "empty_bind_dn",
|
|
"app": ms.si.GetAppSlug(),
|
|
}).Inc()
|
|
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: Anonymous BindDN not allowed %s", req.BindDN)
|
|
}
|
|
if !utils.HasSuffixNoCase(req.BindDN, ","+baseDN) {
|
|
metrics.RequestsRejected.With(prometheus.Labels{
|
|
"outpost_name": ms.si.GetOutpostName(),
|
|
"type": "search",
|
|
"reason": "invalid_bind_dn",
|
|
"app": ms.si.GetAppSlug(),
|
|
}).Inc()
|
|
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, fmt.Errorf("Search Error: BindDN %s not in our BaseDN %s", req.BindDN, ms.si.GetBaseDN())
|
|
}
|
|
|
|
flag := ms.si.GetFlags(req.BindDN)
|
|
if flag == nil || (flag.UserInfo == nil && flag.UserPk == flags.InvalidUserPK) {
|
|
req.Log().Debug("User info not cached")
|
|
metrics.RequestsRejected.With(prometheus.Labels{
|
|
"outpost_name": ms.si.GetOutpostName(),
|
|
"type": "search",
|
|
"reason": "user_info_not_cached",
|
|
"app": ms.si.GetAppSlug(),
|
|
}).Inc()
|
|
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, errors.New("access denied")
|
|
}
|
|
accsp.Finish()
|
|
|
|
entries := make([]*ldap.Entry, 0)
|
|
|
|
scope := req.SearchRequest.Scope
|
|
needUsers, needGroups := ms.si.GetNeededObjects(scope, req.BaseDN, req.FilterObjectClass)
|
|
|
|
if scope >= 0 && strings.EqualFold(req.BaseDN, baseDN) {
|
|
if utils.IncludeObjectClass(req.FilterObjectClass, constants.GetDomainOCs()) {
|
|
rootEntries, _ := ms.SearchBase(req)
|
|
for _, e := range rootEntries.Entries {
|
|
e.DN = ms.si.GetBaseDN()
|
|
entries = append(entries, e)
|
|
}
|
|
}
|
|
|
|
scope -= 1 // Bring it from WholeSubtree to SingleLevel and so on
|
|
}
|
|
|
|
var users *[]api.User
|
|
var groups []*group.LDAPGroup
|
|
var err error
|
|
|
|
if needUsers {
|
|
if flag.CanSearch {
|
|
users = &ms.users
|
|
} else {
|
|
u := make([]api.User, 1)
|
|
if flag.UserInfo == nil {
|
|
for i, u := range ms.users {
|
|
if u.Pk == flag.UserPk {
|
|
flag.UserInfo = &ms.users[i]
|
|
}
|
|
}
|
|
if flag.UserInfo == nil {
|
|
req.Log().WithField("pk", flag.UserPk).Warning("User with pk is not in local cache")
|
|
err = fmt.Errorf("failed to get userinfo")
|
|
}
|
|
}
|
|
if flag.UserInfo != nil {
|
|
u[0] = *flag.UserInfo
|
|
}
|
|
users = &u
|
|
}
|
|
}
|
|
|
|
if needGroups {
|
|
groups = make([]*group.LDAPGroup, 0)
|
|
|
|
for _, g := range ms.groups {
|
|
if flag.CanSearch {
|
|
groups = append(groups, group.FromAPIGroup(g, ms.si))
|
|
} else {
|
|
// If the user cannot search, we're going to only return
|
|
// the groups they're in _and_ only return themselves
|
|
// as a member.
|
|
for _, u := range g.UsersObj {
|
|
if flag.UserPk == u.Pk {
|
|
// TODO: Is there a better way to clone this object?
|
|
fg := api.NewGroup(g.Pk, g.NumPk, g.Name, g.ParentName, []api.GroupMember{u}, []api.Role{})
|
|
fg.SetUsers([]int32{flag.UserPk})
|
|
if g.Parent.IsSet() {
|
|
if p := g.Parent.Get(); p != nil {
|
|
fg.SetParent(*p)
|
|
} else {
|
|
fg.SetParentNil()
|
|
}
|
|
}
|
|
fg.SetAttributes(g.Attributes)
|
|
fg.SetIsSuperuser(*g.IsSuperuser)
|
|
groups = append(groups, group.FromAPIGroup(*fg, ms.si))
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultOperationsError}, err
|
|
}
|
|
|
|
if scope >= 0 && (strings.EqualFold(req.BaseDN, ms.si.GetBaseDN()) || utils.HasSuffixNoCase(req.BaseDN, ms.si.GetBaseUserDN())) {
|
|
singleu := utils.HasSuffixNoCase(req.BaseDN, ","+ms.si.GetBaseUserDN())
|
|
|
|
if !singleu && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetContainerOCs()) {
|
|
entries = append(entries, utils.GetContainerEntry(req.FilterObjectClass, ms.si.GetBaseUserDN(), constants.OUUsers))
|
|
scope -= 1
|
|
}
|
|
|
|
if scope >= 0 && users != nil && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetUserOCs()) {
|
|
for _, u := range *users {
|
|
entry := ms.si.UserEntry(u)
|
|
if strings.EqualFold(req.BaseDN, entry.DN) || !singleu {
|
|
entries = append(entries, entry)
|
|
}
|
|
}
|
|
}
|
|
|
|
scope += 1 // Return the scope to what it was before we descended
|
|
}
|
|
|
|
if scope >= 0 && (strings.EqualFold(req.BaseDN, ms.si.GetBaseDN()) || utils.HasSuffixNoCase(req.BaseDN, ms.si.GetBaseGroupDN())) {
|
|
singleg := utils.HasSuffixNoCase(req.BaseDN, ","+ms.si.GetBaseGroupDN())
|
|
|
|
if !singleg && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetContainerOCs()) {
|
|
entries = append(entries, utils.GetContainerEntry(req.FilterObjectClass, ms.si.GetBaseGroupDN(), constants.OUGroups))
|
|
scope -= 1
|
|
}
|
|
|
|
if scope >= 0 && groups != nil && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetGroupOCs()) {
|
|
for _, g := range groups {
|
|
if strings.EqualFold(req.BaseDN, g.DN) || !singleg {
|
|
entries = append(entries, g.Entry())
|
|
}
|
|
}
|
|
}
|
|
|
|
scope += 1 // Return the scope to what it was before we descended
|
|
}
|
|
|
|
if scope >= 0 && (strings.EqualFold(req.BaseDN, ms.si.GetBaseDN()) || utils.HasSuffixNoCase(req.BaseDN, ms.si.GetBaseVirtualGroupDN())) {
|
|
singlevg := utils.HasSuffixNoCase(req.BaseDN, ","+ms.si.GetBaseVirtualGroupDN())
|
|
|
|
if !singlevg && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetContainerOCs()) {
|
|
entries = append(entries, utils.GetContainerEntry(req.FilterObjectClass, ms.si.GetBaseVirtualGroupDN(), constants.OUVirtualGroups))
|
|
scope -= 1
|
|
}
|
|
|
|
if scope >= 0 && users != nil && utils.IncludeObjectClass(req.FilterObjectClass, constants.GetVirtualGroupOCs()) {
|
|
for _, u := range *users {
|
|
entry := group.FromAPIUser(u, ms.si).Entry()
|
|
if strings.EqualFold(req.BaseDN, entry.DN) || !singlevg {
|
|
entries = append(entries, entry)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return ldap.ServerSearchResult{Entries: entries, Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess}, nil
|
|
}
|