96 lines
3.8 KiB
C++
96 lines
3.8 KiB
C++
// Copyright (c) Microsoft Corporation.
|
|
// Licensed under the MIT license.
|
|
|
|
#include "pch.h"
|
|
#include "ElevatedState.h"
|
|
#include "CascadiaSettings.h"
|
|
#include "ElevatedState.g.cpp"
|
|
|
|
#include "JsonUtils.h"
|
|
#include "FileUtils.h"
|
|
|
|
#include <aclapi.h>
|
|
|
|
constexpr std::wstring_view stateFileName{ L"elevated-state.json" };
|
|
|
|
using namespace ::Microsoft::Terminal::Settings::Model;
|
|
|
|
namespace winrt::Microsoft::Terminal::Settings::Model::implementation
|
|
{
|
|
ElevatedState::ElevatedState(std::filesystem::path path) noexcept :
|
|
BaseApplicationState{ path } {}
|
|
|
|
// Returns the application-global ElevatedState object.
|
|
Microsoft::Terminal::Settings::Model::ElevatedState ElevatedState::SharedInstance()
|
|
{
|
|
static auto state = winrt::make_self<ElevatedState>(GetBaseSettingsPath() / stateFileName);
|
|
state->Reload();
|
|
return *state;
|
|
}
|
|
|
|
void ElevatedState::FromJson(const Json::Value& root) const noexcept
|
|
{
|
|
auto state = _state.lock();
|
|
// GetValueForKey() comes in two variants:
|
|
// * take a std::optional<T> reference
|
|
// * return std::optional<T> by value
|
|
// At the time of writing the former version skips missing fields in the json,
|
|
// but we want to explicitly clear state fields that were removed from state.json.
|
|
#define MTSM_ELEVATED_STATE_GEN(type, name, key, ...) state->name = JsonUtils::GetValueForKey<std::optional<type>>(root, key);
|
|
MTSM_ELEVATED_STATE_FIELDS(MTSM_ELEVATED_STATE_GEN)
|
|
#undef MTSM_ELEVATED_STATE_GEN
|
|
}
|
|
Json::Value ElevatedState::ToJson() const noexcept
|
|
{
|
|
Json::Value root{ Json::objectValue };
|
|
|
|
{
|
|
auto state = _state.lock_shared();
|
|
#define MTSM_ELEVATED_STATE_GEN(type, name, key, ...) JsonUtils::SetValueForKey(root, key, state->name);
|
|
MTSM_ELEVATED_STATE_FIELDS(MTSM_ELEVATED_STATE_GEN)
|
|
#undef MTSM_ELEVATED_STATE_GEN
|
|
}
|
|
return root;
|
|
}
|
|
|
|
// Generate all getter/setters
|
|
#define MTSM_ELEVATED_STATE_GEN(type, name, key, ...) \
|
|
type ElevatedState::name() const noexcept \
|
|
{ \
|
|
const auto state = _state.lock_shared(); \
|
|
const auto& value = state->name; \
|
|
return value ? *value : type{ __VA_ARGS__ }; \
|
|
} \
|
|
\
|
|
void ElevatedState::name(const type& value) noexcept \
|
|
{ \
|
|
{ \
|
|
auto state = _state.lock(); \
|
|
state->name.emplace(value); \
|
|
} \
|
|
\
|
|
_throttler(); \
|
|
}
|
|
MTSM_ELEVATED_STATE_FIELDS(MTSM_ELEVATED_STATE_GEN)
|
|
#undef MTSM_ELEVATED_STATE_GEN
|
|
|
|
void ElevatedState::_writeFileContents(const std::string_view content) const
|
|
{
|
|
// DON'T use WriteUTF8FileAtomic, which will write to a temporary file
|
|
// then rename that file to the final filename. That actually lets us
|
|
// overwrite the elevate file's contents even when unelevated, because
|
|
// we're effectively deleting the original file, then renaming a
|
|
// different file in it's place.
|
|
//
|
|
// We're not worried about someone else doing that though, if they do
|
|
// that with the wrong permissions, then we'll just ignore the file and
|
|
// start over.
|
|
WriteUTF8File(_path, content, true);
|
|
}
|
|
|
|
std::optional<std::string> ElevatedState::_readFileContents() const
|
|
{
|
|
return ReadUTF8FileIfExists(_path, true);
|
|
}
|
|
}
|