mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Copyright 2022 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "sandboxed_api/proto_helper.h"
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "absl/status/status.h"
|
|
#include "absl/status/statusor.h"
|
|
|
|
namespace sapi {
|
|
|
|
namespace internal {
|
|
|
|
absl::Status DeserializeProto(const char* data, size_t len,
|
|
google::protobuf::MessageLite& output) {
|
|
ProtoArg envelope;
|
|
if (!envelope.ParseFromArray(data, len)) {
|
|
return absl::InternalError("Unable to parse proto from array");
|
|
}
|
|
|
|
auto pb_data = envelope.protobuf_data();
|
|
if (!output.ParseFromArray(pb_data.data(), pb_data.size())) {
|
|
return absl::InternalError("Unable to parse proto from envelope data");
|
|
}
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
} // namespace internal
|
|
|
|
absl::StatusOr<std::vector<uint8_t>> SerializeProto(
|
|
const google::protobuf::MessageLite& proto) {
|
|
// Wrap protobuf in a envelope so that we know the name of the protobuf
|
|
// structure when deserializing in the sandboxee.
|
|
ProtoArg proto_arg;
|
|
std::string proto_data;
|
|
if (!proto.SerializeToString(&proto_data)) {
|
|
return absl::InternalError("Unable to serialize proto data");
|
|
}
|
|
proto_arg.set_protobuf_data(std::move(proto_data));
|
|
proto_arg.set_full_name(proto.GetTypeName());
|
|
std::vector<uint8_t> serialized_proto(proto_arg.ByteSizeLong());
|
|
if (!proto_arg.SerializeToArray(serialized_proto.data(),
|
|
serialized_proto.size())) {
|
|
return absl::InternalError("Unable to serialize proto to array");
|
|
}
|
|
return serialized_proto;
|
|
}
|
|
|
|
} // namespace sapi
|