73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package resource
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import (
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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/storage"
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"github.com/hashicorp/consul/proto-public/pbresource"
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)
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func (s *Server) WatchList(req *pbresource.WatchListRequest, stream pbresource.ResourceService_WatchListServer) error {
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// check type exists
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reg, err := s.resolveType(req.Type)
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if err != nil {
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return err
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}
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authz, err := s.getAuthorizer(tokenFromContext(stream.Context()))
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if err != nil {
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return err
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}
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// check acls
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err = reg.ACLs.List(authz, req.Tenancy)
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switch {
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case acl.IsErrPermissionDenied(err):
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return status.Error(codes.PermissionDenied, err.Error())
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case err != nil:
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return status.Errorf(codes.Internal, "failed list acl: %v", err)
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}
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unversionedType := storage.UnversionedTypeFrom(req.Type)
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watch, err := s.Backend.WatchList(
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stream.Context(),
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unversionedType,
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req.Tenancy,
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req.NamePrefix,
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)
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if err != nil {
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return err
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}
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defer watch.Close()
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for {
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event, err := watch.Next(stream.Context())
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if err != nil {
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return status.Errorf(codes.Internal, "failed next: %v", err)
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}
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// drop group versions that don't match
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if event.Resource.Id.Type.GroupVersion != req.Type.GroupVersion {
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continue
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}
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// filter out items that don't pass read ACLs
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err = reg.ACLs.Read(authz, event.Resource.Id)
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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 status.Errorf(codes.Internal, "failed read acl: %v", err)
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}
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if err = stream.Send(event); err != nil {
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return err
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}
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}
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}
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