remoting/host/host_config.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "remoting/host/host_config.h"
   6
   7 #include "base/files/file_util.h"
   8 #include "base/files/important_file_writer.h"
   9 #include "base/json/json_reader.h"
  10 #include "base/json/json_writer.h"
  11 #include "base/values.h"
  12
  13 namespace remoting {
  14
  15 scoped_ptr<base::DictionaryValue> HostConfigFromJson(
  16     const std::string& json) {
  17   scoped_ptr<base::Value> value =
  18       base::JSONReader::Read(json, base::JSON_ALLOW_TRAILING_COMMAS);
  19   if (!value || !value->IsType(base::Value::TYPE_DICTIONARY)) {
  20     LOG(WARNING) << "Failed to parse host config from JSON";
  21     return nullptr;
  22   }
  23
  24   scoped_ptr<base::DictionaryValue> config(
  25       static_cast<base::DictionaryValue*>(value.release()));
  26   return config.Pass();
  27 }
  28
  29 std::string HostConfigToJson(const base::DictionaryValue& host_config) {
  30   std::string data;
  31   base::JSONWriter::Write(host_config, &data);
  32   return data;
  33 }
  34
  35 scoped_ptr<base::DictionaryValue> HostConfigFromJsonFile(
  36     const base::FilePath& config_file) {
  37   // TODO(sergeyu): Implement better error handling here.
  38   std::string serialized;
  39   if (!base::ReadFileToString(config_file, &serialized)) {
  40     LOG(WARNING) << "Failed to read " << config_file.value();
  41     return nullptr;
  42   }
  43
  44   return HostConfigFromJson(serialized);
  45 }
  46
  47 bool HostConfigToJsonFile(const base::DictionaryValue& host_config,
  48                           const base::FilePath& config_file) {
  49   std::string serialized = HostConfigToJson(host_config);
  50   return base::ImportantFileWriter::WriteFileAtomically(config_file,
  51                                                         serialized);
  52 }
  53
  54 }  // namespace remoting