/
AppxBlockMapObject.hpp
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/
AppxBlockMapObject.hpp
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//
// Copyright (C) 2017 Microsoft. All rights reserved.
// See LICENSE file in the project root for full license information.
//
#pragma once
#include <algorithm>
#include <string>
#include <map>
#include <vector>
#include <iterator>
#include "StreamBase.hpp"
#include "VerifierObject.hpp"
#include "AppxPackaging.hpp"
#include "ComHelper.hpp"
#include "UnicodeConversion.hpp"
#include "AppxFactory.hpp"
#include "IXml.hpp"
#include "BlockMapStream.hpp"
#include "Enumerators.hpp"
// internal interface
// {67fed21a-70ef-4175-8f12-415b213ab6d2}
#ifndef WIN32
interface IAppxBlockMapInternal : public IUnknown
#else
#include "Unknwn.h"
#include "Objidl.h"
class IAppxBlockMapInternal : public IUnknown
#endif
{
public:
virtual std::vector<std::string> GetFileNames() = 0;
virtual std::vector<MSIX::Block> GetBlocks(const std::string& fileName) = 0;
virtual MSIX::ComPtr<IAppxBlockMapFile> GetFile(const std::string& fileName) = 0;
};
MSIX_INTERFACE(IAppxBlockMapInternal, 0x67fed21a,0x70ef,0x4175,0x8f,0x12,0x41,0x5b,0x21,0x3a,0xb6,0xd2);
namespace MSIX {
class AppxBlockMapBlock final : public MSIX::ComClass<AppxBlockMapBlock, IAppxBlockMapBlock>
{
public:
AppxBlockMapBlock(IMsixFactory* factory, Block* block) :
m_factory(factory),
m_block(block)
{}
// IAppxBlockMapBlock
HRESULT STDMETHODCALLTYPE GetHash(UINT32* bufferSize, BYTE** buffer) noexcept override try
{
ThrowHrIfFailed(m_factory->MarshalOutBytes(m_block->hash, bufferSize, buffer));
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
HRESULT STDMETHODCALLTYPE GetCompressedSize(UINT32* size) noexcept override try
{
ThrowErrorIf(Error::InvalidParameter, (size == nullptr), "bad pointer");
*size = static_cast<UINT32>(m_block->compressedSize);
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
private:
IMsixFactory* m_factory;
Block* m_block;
};
class AppxBlockMapFile final : public MSIX::ComClass<AppxBlockMapFile, IAppxBlockMapFile, IAppxBlockMapFileUtf8 >
{
public:
AppxBlockMapFile(
IMsixFactory* factory,
std::vector<Block>* blocks,
std::uint32_t localFileHeaderSize,
const std::string& name,
std::uint64_t uncompressedSize
) :
m_factory(factory),
m_blocks(blocks),
m_localFileHeaderSize(localFileHeaderSize),
m_name(name),
m_uncompressedSize(uncompressedSize)
{
}
// IAppxBlockMapFile
HRESULT STDMETHODCALLTYPE GetBlocks(IAppxBlockMapBlocksEnumerator **blocks) noexcept override try
{
ThrowErrorIf(Error::InvalidParameter, (blocks == nullptr || *blocks != nullptr), "bad pointer.");
if (m_blockMapBlocks.empty())
{ m_blockMapBlocks.reserve(m_blocks->size());
std::transform(
m_blocks->begin(),
m_blocks->end(),
std::back_inserter(m_blockMapBlocks),
[&](auto& item){
return ComPtr<IAppxBlockMapBlock>::Make<AppxBlockMapBlock>(m_factory, &item);
}
);
}
*blocks = ComPtr<IAppxBlockMapBlocksEnumerator>::
Make<EnumeratorCom<IAppxBlockMapBlocksEnumerator, IAppxBlockMapBlock>>(m_blockMapBlocks).Detach();
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
HRESULT STDMETHODCALLTYPE GetLocalFileHeaderSize(UINT32* lfhSize) noexcept override try
{ // Retrieves the size of the zip local file header of the associated zip file item
ThrowErrorIf(Error::InvalidParameter, (lfhSize == nullptr), "bad pointer");
*lfhSize = static_cast<UINT32>(m_localFileHeaderSize);
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
HRESULT STDMETHODCALLTYPE GetName(LPWSTR *name) noexcept override try
{
ThrowHrIfFailed(m_factory->MarshalOutString(m_name, name));
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
HRESULT STDMETHODCALLTYPE GetUncompressedSize(UINT64 *size) noexcept override try
{
ThrowErrorIf(Error::InvalidParameter, (size == nullptr), "bad pointer");
*size = static_cast<UINT64>(m_uncompressedSize);
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
HRESULT STDMETHODCALLTYPE ValidateFileHash(IStream *fileStream, BOOL *isValid) noexcept override
{
return static_cast<HRESULT>(Error::NotImplemented);
}
// IAppxBlockMapFileUtf8
HRESULT STDMETHODCALLTYPE GetName(LPSTR *name) noexcept override try
{
ThrowHrIfFailed(m_factory->MarshalOutStringUtf8(m_name, name));
return static_cast<HRESULT>(Error::OK);
} CATCH_RETURN();
private:
std::vector<ComPtr<IAppxBlockMapBlock>> m_blockMapBlocks;
std::vector<Block>* m_blocks;
IMsixFactory* m_factory;
std::uint32_t m_localFileHeaderSize;
std::string m_name;
std::uint64_t m_uncompressedSize;
};
// Object backed by AppxBlockMap.xml
class AppxBlockMapObject final : public MSIX::ComClass<AppxBlockMapObject, IAppxBlockMapReader, IVerifierObject, IAppxBlockMapInternal, IAppxBlockMapReaderUtf8 >
{
public:
AppxBlockMapObject(IMsixFactory* factory, const ComPtr<IStream>& stream);
// IVerifierObject
const std::string& GetPublisher() override { NOTSUPPORTED; }
bool HasStream() override { return !!m_stream; }
ComPtr<IStream> GetStream() override { return m_stream; }
ComPtr<IStream> GetValidationStream(const std::string& part, const ComPtr<IStream>& stream) override;
// IAppxBlockMapReader
HRESULT STDMETHODCALLTYPE GetFile(LPCWSTR filename, IAppxBlockMapFile **file) noexcept override;
HRESULT STDMETHODCALLTYPE GetFiles(IAppxBlockMapFilesEnumerator **enumerator) noexcept override;
HRESULT STDMETHODCALLTYPE GetHashMethod(IUri **hashMethod) noexcept override;
HRESULT STDMETHODCALLTYPE GetStream(IStream **blockMapStream) noexcept override;
// IAppxBlockMapInternal methods
std::vector<std::string> GetFileNames() override;
std::vector<Block> GetBlocks(const std::string& fileName) override;
MSIX::ComPtr<IAppxBlockMapFile> GetFile(const std::string& fileName) override;
// IAppxBlockMapReaderUtf8
HRESULT STDMETHODCALLTYPE GetFile(LPCSTR filename, IAppxBlockMapFile **file) noexcept override;
protected:
std::map<std::string, std::vector<Block>> m_blockMap;
std::map<std::string, ComPtr<IAppxBlockMapFile>> m_blockMapFiles;
IMsixFactory* m_factory;
ComPtr<IStream> m_stream;
};
}