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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/vfs.h"
#include "core/loader/loader.h"
namespace FileSys {
struct NAXHeader {
std::array<u8, 0x20> hmac;
u64_le magic;
std::array<Core::Crypto::Key128, 2> key_area;
u64_le file_size;
INSERT_PADDING_BYTES(0x30);
};
static_assert(sizeof(NAXHeader) == 0x80, "NAXHeader has incorrect size.");
enum class NAXContentType : u8 {
Save = 0,
NCA = 1,
};
class NAX : public ReadOnlyVfsDirectory {
public:
explicit NAX(VirtualFile file);
explicit NAX(VirtualFile file, std::array<u8, 0x10> nca_id);
Loader::ResultStatus GetStatus() const;
VirtualFile GetDecrypted() const;
std::shared_ptr<NCA> AsNCA() const;
NAXContentType GetContentType() const;
std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
std::vector<std::shared_ptr<VfsDirectory>> GetSubdirectories() const override;
std::string GetName() const override;
std::shared_ptr<VfsDirectory> GetParentDirectory() const override;
protected:
bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
private:
Loader::ResultStatus Parse(std::string_view path);
std::unique_ptr<NAXHeader> header;
VirtualFile file;
Loader::ResultStatus status;
NAXContentType type{};
VirtualFile dec_file;
Core::Crypto::KeyManager keys;
};
} // namespace FileSys
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