Files
grafana/pkg/services/authz/zanzana/server/server_mutate_roles.go
2025-12-05 13:55:56 +01:00

92 lines
3.1 KiB
Go

package server
import (
"context"
"strings"
openfgav1 "github.com/openfga/api/proto/openfga/v1"
authzextv1 "github.com/grafana/grafana/pkg/services/authz/proto/v1"
"github.com/grafana/grafana/pkg/services/authz/zanzana"
"github.com/grafana/grafana/pkg/services/authz/zanzana/common"
)
func (s *Server) mutateRoles(ctx context.Context, store *storeInfo, operations []*authzextv1.MutateOperation) error {
ctx, span := s.tracer.Start(ctx, "server.mutateRoles")
defer span.End()
writeTuples := make([]*openfgav1.TupleKey, 0)
deleteTuples := make([]*openfgav1.TupleKeyWithoutCondition, 0)
for _, operation := range operations {
switch op := operation.Operation.(type) {
case *authzextv1.MutateOperation_CreateRole:
tuples, err := convertRoleToTuples(op.CreateRole.RoleName, op.CreateRole.Permissions)
if err != nil {
return err
}
writeTuples = append(writeTuples, tuples...)
case *authzextv1.MutateOperation_DeleteRole:
tuples, err := convertRoleToTuples(op.DeleteRole.RoleName, op.DeleteRole.Permissions)
if err != nil {
return err
}
deletes := make([]*openfgav1.TupleKeyWithoutCondition, 0, len(tuples))
for _, tuple := range tuples {
deletes = append(deletes, common.ToOpenFGADeleteTupleKey(tuple))
}
deleteTuples = append(deleteTuples, deletes...)
default:
s.logger.Debug("unsupported mutate operation", "operation", op)
}
}
err := s.writeTuples(ctx, store, writeTuples, deleteTuples)
if err != nil {
s.logger.Error("failed to write resource role binding tuples", "error", err)
return err
}
return nil
}
// convertRoleToTuples converts role and its permissions (action/scope) to v1 TupleKey format
// using the shared zanzana.ConvertRolePermissionsToTuples utility and common.ToAuthzExtTupleKeys
func convertRoleToTuples(roleUID string, permissions []*authzextv1.RolePermission) ([]*openfgav1.TupleKey, error) {
// Convert to zanzana.RolePermission
rolePerms := make([]zanzana.RolePermission, 0, len(permissions))
for _, perm := range permissions {
// Split the scope to get kind, attribute, identifier
kind, _, identifier := splitScope(perm.Scope)
rolePerms = append(rolePerms, zanzana.RolePermission{
Action: perm.Action,
Kind: kind,
Identifier: identifier,
})
}
// Translate to Zanzana tuples
tuples, err := zanzana.ConvertRolePermissionsToTuples(roleUID, rolePerms)
if err != nil {
return nil, err
}
return tuples, nil
}
func splitScope(scope string) (string, string, string) {
if scope == "" {
return "", "", ""
}
fragments := strings.Split(scope, ":")
switch l := len(fragments); l {
case 1: // Splitting a wildcard scope "*" -> kind: "*"; attribute: "*"; identifier: "*"
return fragments[0], fragments[0], fragments[0]
case 2: // Splitting a wildcard scope with specified kind "dashboards:*" -> kind: "dashboards"; attribute: "*"; identifier: "*"
return fragments[0], fragments[1], fragments[1]
default: // Splitting a scope with all fields specified "dashboards:uid:my_dash" -> kind: "dashboards"; attribute: "uid"; identifier: "my_dash"
return fragments[0], fragments[1], strings.Join(fragments[2:], ":")
}
}