bump reva to 9878984ce702

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

services/graph/pkg/identity/backend.go

@@ -7,6 +7,7 @@ import (
 	"github.com/CiscoM31/godata"
 	cs3group "github.com/cs3org/go-cs3apis/cs3/identity/group/v1beta1"
 	cs3user "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
+	ocmuser "github.com/cs3org/reva/v2/pkg/ocm/user"
 	libregraph "github.com/owncloud/libre-graph-api-go"
 	"github.com/owncloud/ocis/v2/services/graph/pkg/errorcode"
 )
@@ -116,19 +117,24 @@ func CreateUserModelFromCS3(u *cs3user.User) *libregraph.User {
 		u.Id = &cs3user.UserId{}
 	}
 	userType := cs3UserTypeToGraph(u.GetId().GetType())
-	return &libregraph.User{
-		Identities: []libregraph.ObjectIdentity{
-			{
-				Issuer:           &u.GetId().Idp,
-				IssuerAssignedId: &u.GetId().OpaqueId,
-			},
-		},
+	user := &libregraph.User{
+		Identities: []libregraph.ObjectIdentity{{
+			Issuer:           &u.GetId().Idp,
+			IssuerAssignedId: &u.GetId().OpaqueId,
+		}},
 		UserType:                 &userType,
 		DisplayName:              u.DisplayName,
 		Mail:                     &u.Mail,
 		OnPremisesSamAccountName: u.Username,
 		Id:                       &u.Id.OpaqueId,
 	}
+	// decode the remote id if the user is federated
+	if u.GetId().GetType() == cs3user.UserType_USER_TYPE_FEDERATED {
+		remoteID := ocmuser.RemoteID(u.GetId())
+		user.Identities[0].Issuer = &remoteID.Idp
+		user.Identities[0].IssuerAssignedId = &remoteID.OpaqueId
+	}
+	return user
 }
 
 func cs3UserTypeToGraph(cs3type cs3user.UserType) string {