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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chromeos/ash/components/network/network_ui_data.h"
#include <utility>
#include "base/check.h"
#include "base/json/json_writer.h"
#include "base/memory/ptr_util.h"
#include "base/values.h"
namespace ash {
namespace {
const char kKeyONCSource[] = "onc_source";
const char kKeyUserSettings[] = "user_settings";
const char kONCSourceUserImport[] = "user_import";
const char kONCSourceDevicePolicy[] = "device_policy";
const char kONCSourceUserPolicy[] = "user_policy";
template <typename Enum>
struct StringEnumEntry {
const char* string;
Enum enum_value;
};
const StringEnumEntry<::onc::ONCSource> kONCSourceTable[] = {
{kONCSourceUserImport, ::onc::ONC_SOURCE_USER_IMPORT},
{kONCSourceDevicePolicy, ::onc::ONC_SOURCE_DEVICE_POLICY},
{kONCSourceUserPolicy, ::onc::ONC_SOURCE_USER_POLICY}};
// Converts |enum_value| to the corresponding string according to |table|. If no
// enum value of the table matches (which can only occur if incorrect casting
// was used to obtain |enum_value|), returns an empty string instead.
template <typename Enum, int N>
std::string EnumToString(const StringEnumEntry<Enum> (&table)[N],
Enum enum_value) {
for (int i = 0; i < N; ++i) {
if (table[i].enum_value == enum_value)
return table[i].string;
}
return std::string();
}
// Converts |str| to the corresponding enum value according to |table|. If no
// string of the table matches, returns |fallback| instead.
template <typename Enum, int N>
Enum StringToEnum(const StringEnumEntry<Enum> (&table)[N],
const std::string& str,
Enum fallback) {
for (int i = 0; i < N; ++i) {
if (table[i].string == str)
return table[i].enum_value;
}
return fallback;
}
} // namespace
NetworkUIData::NetworkUIData() : onc_source_(::onc::ONC_SOURCE_NONE) {}
NetworkUIData::NetworkUIData(const NetworkUIData& other) {
*this = other;
}
NetworkUIData& NetworkUIData::operator=(const NetworkUIData& other) {
onc_source_ = other.onc_source_;
if (other.user_settings_.has_value()) {
user_settings_ = other.user_settings_->Clone();
}
return *this;
}
NetworkUIData::NetworkUIData(const base::Value::Dict& dict) {
const std::string* source_value = dict.FindString(kKeyONCSource);
if (source_value) {
onc_source_ =
StringToEnum(kONCSourceTable, *source_value, ::onc::ONC_SOURCE_NONE);
} else {
onc_source_ = ::onc::ONC_SOURCE_NONE;
}
const base::Value::Dict* user_settings_value =
dict.FindDict(kKeyUserSettings);
if (user_settings_value) {
user_settings_ = user_settings_value->Clone();
}
}
NetworkUIData::~NetworkUIData() = default;
// static
std::unique_ptr<NetworkUIData> NetworkUIData::CreateFromONC(
::onc::ONCSource onc_source) {
std::unique_ptr<NetworkUIData> ui_data(new NetworkUIData());
ui_data->onc_source_ = onc_source;
return ui_data;
}
const base::Value::Dict* NetworkUIData::GetUserSettingsDictionary() const {
if (!user_settings_.has_value()) {
return nullptr;
}
return &user_settings_.value();
}
void NetworkUIData::SetUserSettingsDictionary(base::Value::Dict dict) {
user_settings_ = std::move(dict);
}
std::string NetworkUIData::GetAsJson() const {
base::Value::Dict dict;
const std::string source_string = GetONCSourceAsString();
if (!source_string.empty()) {
dict.Set(kKeyONCSource, source_string);
}
if (user_settings_.has_value()) {
dict.Set(kKeyUserSettings, user_settings_->Clone());
}
std::string json;
base::JSONWriter::Write(dict, &json);
return json;
}
std::string NetworkUIData::GetONCSourceAsString() const {
return EnumToString(kONCSourceTable, onc_source_);
}
} // namespace ash
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