66 lines
1.6 KiB
Go
66 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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"context"
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"errors"
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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) Read(ctx context.Context, req *pbresource.ReadRequest) (*pbresource.ReadResponse, error) {
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if err := validateReadRequest(req); err != nil {
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return nil, err
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}
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// check type exists
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reg, err := s.resolveType(req.Id.Type)
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if err != nil {
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return nil, err
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}
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authz, err := s.getAuthorizer(tokenFromContext(ctx))
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if err != nil {
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return nil, err
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}
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// check acls
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err = reg.ACLs.Read(authz, req.Id)
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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 read acl: %v", err)
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}
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resource, err := s.Backend.Read(ctx, readConsistencyFrom(ctx), req.Id)
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switch {
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case err == nil:
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return &pbresource.ReadResponse{Resource: resource}, nil
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case errors.Is(err, storage.ErrNotFound):
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return nil, status.Error(codes.NotFound, err.Error())
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case errors.As(err, &storage.GroupVersionMismatchError{}):
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return nil, status.Error(codes.InvalidArgument, err.Error())
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default:
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return nil, status.Errorf(codes.Internal, "failed read: %v", err)
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}
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}
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func validateReadRequest(req *pbresource.ReadRequest) error {
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if req.Id == nil {
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return status.Errorf(codes.InvalidArgument, "id is required")
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}
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if err := validateId(req.Id, "id"); err != nil {
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return err
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}
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return nil
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}
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