src/lib/cmx/sandbox.cc

// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/lib/cmx/sandbox.h"

#include <algorithm>
#include <map>

#include <rapidjson/document.h>

#include "src/lib/fxl/strings/substitute.h"
#include "src/lib/json_parser/json_parser.h"

namespace component {

constexpr char kDev[] = "dev";
constexpr char kSystem[] = "system";
constexpr char kServices[] = "services";
constexpr char kPkgfs[] = "pkgfs";
constexpr char kFeatures[] = "features";
constexpr char kBoot[] = "boot";
constexpr char kInternalFeatures[] = "__internal_features";

bool SandboxMetadata::Parse(const rapidjson::Value& sandbox_value, json::JSONParser* json_parser) {
  const std::map<std::string, std::vector<std::string>*> name_to_vec = {
      {kDev, &dev_},
      {kSystem, &system_},
      {kServices, &services_},
      {kPkgfs, &pkgfs_},
      {kFeatures, &features_},
      {kBoot, &boot_},
      {kInternalFeatures, &internal_features_}};

  for (const auto& entry : name_to_vec) {
    entry.second->clear();
  }
  null_ = true;

  if (!sandbox_value.IsObject()) {
    json_parser->ReportError("Sandbox is not an object.");
    return false;
  }

  for (const auto& entry : name_to_vec) {
    const std::string& name = entry.first;
    auto* vec = entry.second;
    auto member = sandbox_value.FindMember(name);
    if (member != sandbox_value.MemberEnd()) {
      json_parser->CopyStringArray(name, member->value, vec);
    }
  }

  if (!json_parser->HasError()) {
    null_ = false;
  }
  return !json_parser->HasError();
}

bool SandboxMetadata::HasFeature(const std::string& feature) const {
  return std::find(features_.begin(), features_.end(), feature) != features_.end();
}

bool SandboxMetadata::HasInternalFeature(const std::string& feature) const {
  return std::find(internal_features_.begin(), internal_features_.end(), feature) !=
         internal_features_.end();
}

void SandboxMetadata::AddFeature(std::string feature) { features_.push_back(std::move(feature)); }

}  // namespace component