364 lines
10 KiB
C++
364 lines
10 KiB
C++
// ZipAddCommon.cpp
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#include "StdAfx.h"
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#include "../../../../C/7zCrc.h"
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#include "../../../../C/Alloc.h"
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#include "../../../Windows/PropVariant.h"
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#include "../../ICoder.h"
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#include "../../IPassword.h"
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#include "../../MyVersion.h"
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#include "../../Common/CreateCoder.h"
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#include "../../Common/StreamObjects.h"
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#include "../../Common/StreamUtils.h"
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#include "../../Compress/LzmaEncoder.h"
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#include "../../Compress/PpmdZip.h"
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#include "../Common/InStreamWithCRC.h"
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#include "ZipAddCommon.h"
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#include "ZipHeader.h"
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namespace NArchive {
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namespace NZip {
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static const CMethodId kMethodId_ZipBase = 0x040100;
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static const CMethodId kMethodId_BZip2 = 0x040202;
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static const UInt32 kLzmaPropsSize = 5;
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static const UInt32 kLzmaHeaderSize = 4 + kLzmaPropsSize;
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class CLzmaEncoder:
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public ICompressCoder,
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public ICompressSetCoderProperties,
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public CMyUnknownImp
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{
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NCompress::NLzma::CEncoder *EncoderSpec;
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CMyComPtr<ICompressCoder> Encoder;
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Byte Header[kLzmaHeaderSize];
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public:
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STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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STDMETHOD(SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
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MY_UNKNOWN_IMP1(ICompressSetCoderProperties)
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};
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STDMETHODIMP CLzmaEncoder::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps)
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{
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if (!Encoder)
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{
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EncoderSpec = new NCompress::NLzma::CEncoder;
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Encoder = EncoderSpec;
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}
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CBufPtrSeqOutStream *outStreamSpec = new CBufPtrSeqOutStream;
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CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
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outStreamSpec->Init(Header + 4, kLzmaPropsSize);
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RINOK(EncoderSpec->SetCoderProperties(propIDs, props, numProps));
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RINOK(EncoderSpec->WriteCoderProperties(outStream));
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if (outStreamSpec->GetPos() != kLzmaPropsSize)
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return E_FAIL;
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Header[0] = MY_VER_MAJOR;
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Header[1] = MY_VER_MINOR;
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Header[2] = kLzmaPropsSize;
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Header[3] = 0;
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return S_OK;
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}
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STDMETHODIMP CLzmaEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress)
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{
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RINOK(WriteStream(outStream, Header, kLzmaHeaderSize));
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return Encoder->Code(inStream, outStream, inSize, outSize, progress);
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}
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CAddCommon::CAddCommon(const CCompressionMethodMode &options):
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_options(options),
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_copyCoderSpec(NULL),
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_cryptoStreamSpec(NULL),
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_buf(NULL)
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{}
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CAddCommon::~CAddCommon()
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{
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MidFree(_buf);
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}
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static const UInt32 kBufSize = ((UInt32)1 << 16);
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HRESULT CAddCommon::CalcStreamCRC(ISequentialInStream *inStream, UInt32 &resultCRC)
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{
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if (!_buf)
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{
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_buf = (Byte *)MidAlloc(kBufSize);
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if (!_buf)
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return E_OUTOFMEMORY;
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}
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UInt32 crc = CRC_INIT_VAL;
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for (;;)
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{
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UInt32 processed;
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RINOK(inStream->Read(_buf, kBufSize, &processed));
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if (processed == 0)
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{
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resultCRC = CRC_GET_DIGEST(crc);
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return S_OK;
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}
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crc = CrcUpdate(crc, _buf, (size_t)processed);
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}
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}
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HRESULT CAddCommon::Compress(
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DECL_EXTERNAL_CODECS_LOC_VARS
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ISequentialInStream *inStream, IOutStream *outStream,
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UInt32 /* fileTime */,
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ICompressProgressInfo *progress, CCompressingResult &opRes)
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{
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if (!inStream)
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{
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// We can create empty stream here. But it was already implemented in caller code in 9.33+
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return E_INVALIDARG;
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}
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// CSequentialInStreamWithCRC *inSecCrcStreamSpec = NULL;
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CInStreamWithCRC *inCrcStreamSpec = NULL;
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CMyComPtr<ISequentialInStream> inCrcStream;
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{
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CMyComPtr<IInStream> inStream2;
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inStream->QueryInterface(IID_IInStream, (void **)&inStream2);
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if (inStream2)
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{
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inCrcStreamSpec = new CInStreamWithCRC;
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inCrcStream = inCrcStreamSpec;
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inCrcStreamSpec->SetStream(inStream2);
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inCrcStreamSpec->Init();
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}
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else
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{
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// we don't support stdin, since stream from stdin can require 64-bit size header
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return E_NOTIMPL;
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/*
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inSecCrcStreamSpec = new CSequentialInStreamWithCRC;
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inCrcStream = inSecCrcStreamSpec;
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inSecCrcStreamSpec->SetStream(inStream);
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inSecCrcStreamSpec->Init();
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*/
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}
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}
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unsigned numTestMethods = _options.MethodSequence.Size();
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if (numTestMethods > 1 && !inCrcStreamSpec)
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numTestMethods = 1;
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UInt32 crc = 0;
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bool crc_IsCalculated = false;
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Byte method = 0;
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CFilterCoder::C_OutStream_Releaser outStreamReleaser;
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opRes.ExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_Default;
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opRes.FileTimeWasUsed = false;
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for (unsigned i = 0; i < numTestMethods; i++)
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{
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opRes.ExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_Default;
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if (inCrcStreamSpec)
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RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
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RINOK(outStream->SetSize(0));
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RINOK(outStream->Seek(0, STREAM_SEEK_SET, NULL));
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if (_options.PasswordIsDefined)
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{
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opRes.ExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_ZipCrypto;
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if (!_cryptoStream)
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{
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_cryptoStreamSpec = new CFilterCoder(true);
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_cryptoStream = _cryptoStreamSpec;
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}
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if (_options.IsAesMode)
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{
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opRes.ExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_Aes;
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if (!_cryptoStreamSpec->Filter)
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{
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_cryptoStreamSpec->Filter = _filterAesSpec = new NCrypto::NWzAes::CEncoder;
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_filterAesSpec->SetKeyMode(_options.AesKeyMode);
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RINOK(_filterAesSpec->CryptoSetPassword((const Byte *)(const char *)_options.Password, _options.Password.Len()));
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}
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RINOK(_filterAesSpec->WriteHeader(outStream));
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}
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else
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{
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if (!_cryptoStreamSpec->Filter)
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{
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_cryptoStreamSpec->Filter = _filterSpec = new NCrypto::NZip::CEncoder;
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_filterSpec->CryptoSetPassword((const Byte *)(const char *)_options.Password, _options.Password.Len());
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}
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UInt32 check;
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// if (inCrcStreamSpec)
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{
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if (!crc_IsCalculated)
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{
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RINOK(CalcStreamCRC(inStream, crc));
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crc_IsCalculated = true;
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RINOK(inCrcStreamSpec->Seek(0, STREAM_SEEK_SET, NULL));
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}
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check = (crc >> 16);
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}
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/*
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else
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{
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opRes.FileTimeWasUsed = true;
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check = (fileTime & 0xFFFF);
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}
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*/
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RINOK(_filterSpec->WriteHeader_Check16(outStream, (UInt16)check));
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}
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RINOK(_cryptoStreamSpec->SetOutStream(outStream));
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RINOK(_cryptoStreamSpec->InitEncoder());
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outStreamReleaser.FilterCoder = _cryptoStreamSpec;
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}
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method = _options.MethodSequence[i];
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switch (method)
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{
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case NFileHeader::NCompressionMethod::kStored:
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{
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if (_copyCoderSpec == NULL)
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{
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_copyCoderSpec = new NCompress::CCopyCoder;
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_copyCoder = _copyCoderSpec;
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}
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CMyComPtr<ISequentialOutStream> outStreamNew;
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if (_options.PasswordIsDefined)
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outStreamNew = _cryptoStream;
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else
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outStreamNew = outStream;
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RINOK(_copyCoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
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break;
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}
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default:
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{
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if (!_compressEncoder)
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{
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if (method == NFileHeader::NCompressionMethod::kLZMA)
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{
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_compressExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_LZMA;
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CLzmaEncoder *_lzmaEncoder = new CLzmaEncoder();
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_compressEncoder = _lzmaEncoder;
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}
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else if (method == NFileHeader::NCompressionMethod::kPPMd)
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{
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_compressExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_PPMd;
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NCompress::NPpmdZip::CEncoder *encoder = new NCompress::NPpmdZip::CEncoder();
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_compressEncoder = encoder;
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}
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else
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{
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CMethodId methodId;
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switch (method)
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{
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case NFileHeader::NCompressionMethod::kBZip2:
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methodId = kMethodId_BZip2;
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_compressExtractVersion = NFileHeader::NCompressionMethod::kExtractVersion_BZip2;
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break;
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default:
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_compressExtractVersion = ((method == NFileHeader::NCompressionMethod::kDeflated64) ?
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NFileHeader::NCompressionMethod::kExtractVersion_Deflate64 :
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NFileHeader::NCompressionMethod::kExtractVersion_Deflate);
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methodId = kMethodId_ZipBase + method;
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break;
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}
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RINOK(CreateCoder(
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EXTERNAL_CODECS_LOC_VARS
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methodId, true, _compressEncoder));
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if (!_compressEncoder)
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return E_NOTIMPL;
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if (method == NFileHeader::NCompressionMethod::kDeflated ||
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method == NFileHeader::NCompressionMethod::kDeflated64)
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{
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}
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else if (method == NFileHeader::NCompressionMethod::kBZip2)
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{
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}
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}
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{
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CMyComPtr<ICompressSetCoderProperties> setCoderProps;
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_compressEncoder.QueryInterface(IID_ICompressSetCoderProperties, &setCoderProps);
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if (setCoderProps)
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{
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RINOK(_options.MethodInfo.SetCoderProps(setCoderProps,
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_options._dataSizeReduceDefined ? &_options._dataSizeReduce : NULL));
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}
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}
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}
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CMyComPtr<ISequentialOutStream> outStreamNew;
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if (_options.PasswordIsDefined)
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outStreamNew = _cryptoStream;
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else
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outStreamNew = outStream;
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if (_compressExtractVersion > opRes.ExtractVersion)
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opRes.ExtractVersion = _compressExtractVersion;
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RINOK(_compressEncoder->Code(inCrcStream, outStreamNew, NULL, NULL, progress));
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break;
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}
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}
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if (_options.PasswordIsDefined)
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{
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RINOK(_cryptoStreamSpec->OutStreamFinish());
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if (_options.IsAesMode)
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{
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RINOK(_filterAesSpec->WriteFooter(outStream));
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}
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}
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RINOK(outStream->Seek(0, STREAM_SEEK_CUR, &opRes.PackSize));
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// if (inCrcStreamSpec)
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{
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opRes.CRC = inCrcStreamSpec->GetCRC();
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opRes.UnpackSize = inCrcStreamSpec->GetSize();
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}
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/*
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else
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{
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opRes.CRC = inSecCrcStreamSpec->GetCRC();
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opRes.UnpackSize = inSecCrcStreamSpec->GetSize();
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}
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*/
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if (_options.PasswordIsDefined)
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{
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if (opRes.PackSize < opRes.UnpackSize +
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(_options.IsAesMode ? _filterAesSpec->GetAddPackSize() : NCrypto::NZip::kHeaderSize))
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break;
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}
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else if (opRes.PackSize < opRes.UnpackSize)
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break;
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}
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opRes.Method = method;
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return S_OK;
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}
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}}
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