mirror of https://github.com/hashicorp/consul
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package resource
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import (
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"context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/proto-public/pbresource"
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)
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func (s *Server) ListByOwner(ctx context.Context, req *pbresource.ListByOwnerRequest) (*pbresource.ListByOwnerResponse, error) {
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reg, err := s.ensureListByOwnerRequestValid(req)
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if err != nil {
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return nil, err
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}
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// Convert v2 request tenancy to v1 for ACL subsystem.
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entMeta := v2TenancyToV1EntMeta(req.Owner.Tenancy)
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token := tokenFromContext(ctx)
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// Fill entMeta with token tenancy when empty.
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authz, authzContext, err := s.getAuthorizer(token, entMeta)
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if err != nil {
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return nil, err
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}
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// Handle defaulting empty tenancy units from request.
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v1EntMetaToV2Tenancy(reg, entMeta, req.Owner.Tenancy)
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// Check list ACL before verifying tenancy exists to not leak tenancy existence.
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err = reg.ACLs.List(authz, authzContext)
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switch {
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case acl.IsErrPermissionDenied(err):
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return nil, status.Error(codes.PermissionDenied, err.Error())
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case err != nil:
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return nil, status.Errorf(codes.Internal, "failed list acl: %v", err)
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}
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// Get owned resources.
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children, err := s.Backend.ListByOwner(ctx, req.Owner)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "failed list by owner: %v", err)
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}
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result := make([]*pbresource.Resource, 0)
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for _, child := range children {
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// Retrieve child type's registration to access read ACL hook.
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childReg, err := s.resolveType(child.Id.Type)
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if err != nil {
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return nil, err
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}
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// Rebuild authorizer if tenancy not identical between owner and child (child scope
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// may be narrower).
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childAuthz := authz
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childAuthzContext := authzContext
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if !resource.EqualTenancy(req.Owner.Tenancy, child.Id.Tenancy) {
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childEntMeta := v2TenancyToV1EntMeta(child.Id.Tenancy)
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childAuthz, childAuthzContext, err = s.getAuthorizer(token, childEntMeta)
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if err != nil {
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return nil, err
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}
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}
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// Filter out children that fail real ACL.
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err = childReg.ACLs.Read(childAuthz, childAuthzContext, child.Id, child)
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switch {
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case acl.IsErrPermissionDenied(err):
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continue
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case err != nil:
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return nil, status.Errorf(codes.Internal, "failed read acl: %v", err)
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}
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result = append(result, child)
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}
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return &pbresource.ListByOwnerResponse{Resources: result}, nil
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}
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func (s *Server) ensureListByOwnerRequestValid(req *pbresource.ListByOwnerRequest) (*resource.Registration, error) {
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if req.Owner == nil {
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return nil, status.Errorf(codes.InvalidArgument, "owner is required")
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}
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if err := validateId(req.Owner, "owner"); err != nil {
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return nil, err
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}
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if req.Owner.Uid == "" {
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return nil, status.Errorf(codes.InvalidArgument, "owner uid is required")
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}
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reg, err := s.resolveType(req.Owner.Type)
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if err != nil {
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return nil, err
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}
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if err = checkV2Tenancy(s.UseV2Tenancy, req.Owner.Type); err != nil {
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return nil, err
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}
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if err = validateScopedTenancy(reg.Scope, reg.Type, req.Owner.Tenancy); err != nil {
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return nil, err
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}
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return reg, nil
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}
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