// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <boost/algorithm/string.hpp>
#include "common/common_types.h"
#include "common/literals.h"
#include "core/core.h"
#include "core/file_sys/common_funcs.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/submission_package.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "core/loader/nca.h"
namespace ContentManager {
enum class InstallResult {
Success,
Overwrite,
Failure,
BaseInstallAttempted,
};
enum class GameVerificationResult {
Success,
Failed,
NotImplemented,
};
/**
* \brief Removes a single installed DLC
* \param fs_controller [FileSystemController] reference from the Core::System instance
* \param title_id Unique title ID representing the DLC which will be removed
* \return 'true' if successful
*/
inline bool RemoveDLC(const Service::FileSystem::FileSystemController& fs_controller,
const u64 title_id) {
return fs_controller.GetUserNANDContents()->RemoveExistingEntry(title_id) ||
fs_controller.GetSDMCContents()->RemoveExistingEntry(title_id);
}
/**
* \brief Removes all DLC for a game
* \param system Reference to the system instance
* \param program_id Program ID for the game that will have all of its DLC removed
* \return Number of DLC removed
*/
inline size_t RemoveAllDLC(Core::System& system, const u64 program_id) {
size_t count{};
const auto& fs_controller = system.GetFileSystemController();
const auto dlc_entries = system.GetContentProvider().ListEntriesFilter(
FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
std::vector<u64> program_dlc_entries;
for (const auto& entry : dlc_entries) {
if (FileSys::GetBaseTitleID(entry.title_id) == program_id) {
program_dlc_entries.push_back(entry.title_id);
}
}
for (const auto& entry : program_dlc_entries) {
if (RemoveDLC(fs_controller, entry)) {
++count;
}
}
return count;
}
/**
* \brief Removes the installed update for a game
* \param fs_controller [FileSystemController] reference from the Core::System instance
* \param program_id Program ID for the game that will have its installed update removed
* \return 'true' if successful
*/
inline bool RemoveUpdate(const Service::FileSystem::FileSystemController& fs_controller,
const u64 program_id) {
const auto update_id = program_id | 0x800;
return fs_controller.GetUserNANDContents()->RemoveExistingEntry(update_id) ||
fs_controller.GetSDMCContents()->RemoveExistingEntry(update_id);
}
/**
* \brief Removes the base content for a game
* \param fs_controller [FileSystemController] reference from the Core::System instance
* \param program_id Program ID for the game that will have its base content removed
* \return 'true' if successful
*/
inline bool RemoveBaseContent(const Service::FileSystem::FileSystemController& fs_controller,
const u64 program_id) {
return fs_controller.GetUserNANDContents()->RemoveExistingEntry(program_id) ||
fs_controller.GetSDMCContents()->RemoveExistingEntry(program_id);
}
/**
* \brief Removes a mod for a game
* \param fs_controller [FileSystemController] reference from the Core::System instance
* \param program_id Program ID for the game where [mod_name] will be removed
* \param mod_name The name of a mod as given by FileSys::PatchManager::GetPatches. This corresponds
* with the name of the mod's directory in a game's load folder.
* \return 'true' if successful
*/
inline bool RemoveMod(const Service::FileSystem::FileSystemController& fs_controller,
const u64 program_id, const std::string& mod_name) {
// Check general Mods (LayeredFS and IPS)
const auto mod_dir = fs_controller.GetModificationLoadRoot(program_id);
if (mod_dir != nullptr) {
return mod_dir->DeleteSubdirectoryRecursive(mod_name);
}
// Check SDMC mod directory (RomFS LayeredFS)
const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(program_id);
if (sdmc_mod_dir != nullptr) {
return sdmc_mod_dir->DeleteSubdirectoryRecursive(mod_name);
}
return false;
}
/**
* \brief Installs an NSP
* \param system Reference to the system instance
* \param vfs Reference to the VfsFilesystem instance in Core::System
* \param filename Path to the NSP file
* \param callback Callback to report the progress of the installation. The first size_t
* parameter is the total size of the virtual file and the second is the current progress. If you
* return true to the callback, it will cancel the installation as soon as possible.
* \return [InstallResult] representing how the installation finished
*/
inline InstallResult InstallNSP(Core::System& system, FileSys::VfsFilesystem& vfs,
const std::string& filename,
const std::function<bool(size_t, size_t)>& callback) {
const auto copy = [callback](const FileSys::VirtualFile& src, const FileSys::VirtualFile& dest,
std::size_t block_size) {
if (src == nullptr || dest == nullptr) {
return false;
}
if (!dest->Resize(src->GetSize())) {
return false;
}
using namespace Common::Literals;
std::vector<u8> buffer(1_MiB);
for (std::size_t i = 0; i < src->GetSize(); i += buffer.size()) {
if (callback(src->GetSize(), i)) {
dest->Resize(0);
return false;
}
const auto read = src->Read(buffer.data(), buffer.size(), i);
dest->Write(buffer.data(), read, i);
}
return true;
};
std::shared_ptr<FileSys::NSP> nsp;
FileSys::VirtualFile file = vfs.OpenFile(filename, FileSys::Mode::Read);
if (boost::to_lower_copy(file->GetName()).ends_with(std::string("nsp"))) {
nsp = std::make_shared<FileSys::NSP>(file);
if (nsp->IsExtractedType()) {
return InstallResult::Failure;
}
} else {
return InstallResult::Failure;
}
if (nsp->GetStatus() != Loader::ResultStatus::Success) {
return InstallResult::Failure;
}
const auto res =
system.GetFileSystemController().GetUserNANDContents()->InstallEntry(*nsp, true, copy);
switch (res) {
case FileSys::InstallResult::Success:
return InstallResult::Success;
case FileSys::InstallResult::OverwriteExisting:
return InstallResult::Overwrite;
case FileSys::InstallResult::ErrorBaseInstall:
return InstallResult::BaseInstallAttempted;
default:
return InstallResult::Failure;
}
}
/**
* \brief Installs an NCA
* \param vfs Reference to the VfsFilesystem instance in Core::System
* \param filename Path to the NCA file
* \param registered_cache Reference to the registered cache that the NCA will be installed to
* \param title_type Type of NCA package to install
* \param callback Callback to report the progress of the installation. The first size_t
* parameter is the total size of the virtual file and the second is the current progress. If you
* return true to the callback, it will cancel the installation as soon as possible.
* \return [InstallResult] representing how the installation finished
*/
inline InstallResult InstallNCA(FileSys::VfsFilesystem& vfs, const std::string& filename,
FileSys::RegisteredCache& registered_cache,
const FileSys::TitleType title_type,
const std::function<bool(size_t, size_t)>& callback) {
const auto copy = [callback](const FileSys::VirtualFile& src, const FileSys::VirtualFile& dest,
std::size_t block_size) {
if (src == nullptr || dest == nullptr) {
return false;
}
if (!dest->Resize(src->GetSize())) {
return false;
}
using namespace Common::Literals;
std::vector<u8> buffer(1_MiB);
for (std::size_t i = 0; i < src->GetSize(); i += buffer.size()) {
if (callback(src->GetSize(), i)) {
dest->Resize(0);
return false;
}
const auto read = src->Read(buffer.data(), buffer.size(), i);
dest->Write(buffer.data(), read, i);
}
return true;
};
const auto nca = std::make_shared<FileSys::NCA>(vfs.OpenFile(filename, FileSys::Mode::Read));
const auto id = nca->GetStatus();
// Game updates necessary are missing base RomFS
if (id != Loader::ResultStatus::Success &&
id != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
return InstallResult::Failure;
}
const auto res = registered_cache.InstallEntry(*nca, title_type, true, copy);
if (res == FileSys::InstallResult::Success) {
return InstallResult::Success;
} else if (res == FileSys::InstallResult::OverwriteExisting) {
return InstallResult::Overwrite;
} else {
return InstallResult::Failure;
}
}
/**
* \brief Verifies the installed contents for a given ManualContentProvider
* \param system Reference to the system instance
* \param provider Reference to the content provider that's tracking indexed games
* \param callback Callback to report the progress of the installation. The first size_t
* parameter is the total size of the installed contents and the second is the current progress. If
* you return true to the callback, it will cancel the installation as soon as possible.
* \return A list of entries that failed to install. Returns an empty vector if successful.
*/
inline std::vector<std::string> VerifyInstalledContents(
Core::System& system, FileSys::ManualContentProvider& provider,
const std::function<bool(size_t, size_t)>& callback) {
// Get content registries.
auto bis_contents = system.GetFileSystemController().GetSystemNANDContents();
auto user_contents = system.GetFileSystemController().GetUserNANDContents();
std::vector<FileSys::RegisteredCache*> content_providers;
if (bis_contents) {
content_providers.push_back(bis_contents);
}
if (user_contents) {
content_providers.push_back(user_contents);
}
// Get associated NCA files.
std::vector<FileSys::VirtualFile> nca_files;
// Get all installed IDs.
size_t total_size = 0;
for (auto nca_provider : content_providers) {
const auto entries = nca_provider->ListEntriesFilter();
for (const auto& entry : entries) {
auto nca_file = nca_provider->GetEntryRaw(entry.title_id, entry.type);
if (!nca_file) {
continue;
}
total_size += nca_file->GetSize();
nca_files.push_back(std::move(nca_file));
}
}
// Declare a list of file names which failed to verify.
std::vector<std::string> failed;
size_t processed_size = 0;
bool cancelled = false;
auto nca_callback = [&](size_t nca_processed, size_t nca_total) {
cancelled = callback(total_size, processed_size + nca_processed);
return !cancelled;
};
// Using the NCA loader, determine if all NCAs are valid.
for (auto& nca_file : nca_files) {
Loader::AppLoader_NCA nca_loader(nca_file);
auto status = nca_loader.VerifyIntegrity(nca_callback);
if (cancelled) {
break;
}
if (status != Loader::ResultStatus::Success) {
FileSys::NCA nca(nca_file);
const auto title_id = nca.GetTitleId();
std::string title_name = "unknown";
const auto control = provider.GetEntry(FileSys::GetBaseTitleID(title_id),
FileSys::ContentRecordType::Control);
if (control && control->GetStatus() == Loader::ResultStatus::Success) {
const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
provider};
const auto [nacp, logo] = pm.ParseControlNCA(*control);
if (nacp) {
title_name = nacp->GetApplicationName();
}
}
if (title_id > 0) {
failed.push_back(
fmt::format("{} ({:016X}) ({})", nca_file->GetName(), title_id, title_name));
} else {
failed.push_back(fmt::format("{} (unknown)", nca_file->GetName()));
}
}
processed_size += nca_file->GetSize();
}
return failed;
}
/**
* \brief Verifies the contents of a given game
* \param system Reference to the system instance
* \param game_path Patch to the game file
* \param callback Callback to report the progress of the installation. The first size_t
* parameter is the total size of the installed contents and the second is the current progress. If
* you return true to the callback, it will cancel the installation as soon as possible.
* \return GameVerificationResult representing how the verification process finished
*/
inline GameVerificationResult VerifyGameContents(
Core::System& system, const std::string& game_path,
const std::function<bool(size_t, size_t)>& callback) {
const auto loader =
Loader::GetLoader(system, system.GetFilesystem()->OpenFile(game_path, FileSys::Mode::Read));
if (loader == nullptr) {
return GameVerificationResult::NotImplemented;
}
bool cancelled = false;
auto loader_callback = [&](size_t processed, size_t total) {
cancelled = callback(total, processed);
return !cancelled;
};
const auto status = loader->VerifyIntegrity(loader_callback);
if (cancelled || status == Loader::ResultStatus::ErrorIntegrityVerificationNotImplemented) {
return GameVerificationResult::NotImplemented;
}
if (status == Loader::ResultStatus::ErrorIntegrityVerificationFailed) {
return GameVerificationResult::Failed;
}
return GameVerificationResult::Success;
}
/**
* Checks if the keys required for decrypting firmware and games are available
*/
inline bool AreKeysPresent() {
return !Core::Crypto::KeyManager::Instance().BaseDeriveNecessary();
}
} // namespace ContentManager
