services/data_decoder/public/cpp/json_sanitizer_non_android.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "services/data_decoder/public/cpp/json_sanitizer.h"

#include <utility>

#include "base/functional/bind.h"
#include "base/json/json_writer.h"
#include "base/types/expected.h"
#include "base/values.h"
#include "services/data_decoder/public/cpp/data_decoder.h"

namespace data_decoder {

// static
void JsonSanitizer::Sanitize(const std::string& json, Callback callback) {
  DataDecoder::ParseJsonIsolated(
      json,
      base::BindOnce(
          [](Callback callback, DataDecoder::ValueOrError parse_result) {
            std::move(callback).Run(
                std::move(parse_result)
                    .and_then(
                        [](const base::Value& value) -> JsonSanitizer::Result {
                          if (value.type() != base::Value::Type::DICT &&
                              value.type() != base::Value::Type::LIST) {
                            return base::unexpected("Invalid top-level type");
                          }
                          std::string safe_json;
                          if (!base::JSONWriter::Write(value, &safe_json)) {
                            return base::unexpected("Encoding error");
                          }
                          return base::ok(std::move(safe_json));
                        }));
          },
          std::move(callback)));
}

}  // namespace data_decoder