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khanat-opennel-code/code/ryzom/tools/client/ryzom_installer/src/filesextractor.cpp
kervala 319029b66c Fixed: Typo
2016-06-14 19:36:26 +02:00

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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "filesextractor.h"
#include "operation.h"
#include "utils.h"
#include "nel/misc/big_file.h"
#include "nel/misc/callback.h"
#include "nel/misc/file.h"
#include "nel/misc/path.h"
#include "7z.h"
#include "7zAlloc.h"
#include "7zBuf.h"
#include "7zCrc.h"
#include "qzipreader.h"
#include <sys/stat.h>
#ifndef FILE_ATTRIBUTE_READONLY
#define FILE_ATTRIBUTE_READONLY 0x1
#endif
#ifndef FILE_ATTRIBUTE_HIDDEN
#define FILE_ATTRIBUTE_HIDDEN 0x2
#endif
#ifndef FILE_ATTRIBUTE_SYSTEM
#define FILE_ATTRIBUTE_SYSTEM 0x4
#endif
#ifndef FILE_ATTRIBUTE_DIRECTORY
#define FILE_ATTRIBUTE_DIRECTORY 0x10
#endif
#ifndef FILE_ATTRIBUTE_ARCHIVE
#define FILE_ATTRIBUTE_ARCHIVE 0x20
#endif
#ifndef FILE_ATTRIBUTE_DEVICE
#define FILE_ATTRIBUTE_DEVICE 0x40
#endif
#ifndef FILE_ATTRIBUTE_NORMAL
#define FILE_ATTRIBUTE_NORMAL 0x80
#endif
#ifndef FILE_ATTRIBUTE_TEMPORARY
#define FILE_ATTRIBUTE_TEMPORARY 0x100
#endif
#ifndef FILE_ATTRIBUTE_SPARSE_FILE
#define FILE_ATTRIBUTE_SPARSE_FILE 0x200
#endif
#ifndef FILE_ATTRIBUTE_REPARSE_POINT
#define FILE_ATTRIBUTE_REPARSE_POINT 0x400
#endif
#ifndef FILE_ATTRIBUTE_COMPRESSED
#define FILE_ATTRIBUTE_COMPRESSED 0x800
#endif
#ifndef FILE_ATTRIBUTE_OFFLINE
#define FILE_ATTRIBUTE_OFFLINE 0x1000
#endif
#ifndef FILE_ATTRIBUTE_ENCRYPTED
#define FILE_ATTRIBUTE_ENCRYPTED 0x4000
#endif
#define FILE_ATTRIBUTE_UNIX_EXTENSION 0x8000 /* trick for Unix */
#define FILE_ATTRIBUTE_WINDOWS 0x5fff
#define FILE_ATTRIBUTE_UNIX 0xffff0000
bool Set7zFileAttrib(const QString &filename, uint32 fileAttributes)
{
bool attrReadOnly = (fileAttributes & FILE_ATTRIBUTE_READONLY) != 0;
bool attrHidden = (fileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0;
bool attrSystem = (fileAttributes & FILE_ATTRIBUTE_SYSTEM) != 0;
bool attrDir = (fileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
bool attrArchive = (fileAttributes & FILE_ATTRIBUTE_ARCHIVE) != 0;
bool attrDevice = (fileAttributes & FILE_ATTRIBUTE_DEVICE) != 0;
bool attrNormal = (fileAttributes & FILE_ATTRIBUTE_NORMAL) != 0;
bool attrTemp = (fileAttributes & FILE_ATTRIBUTE_TEMPORARY) != 0;
bool attrSparceFile = (fileAttributes & FILE_ATTRIBUTE_SPARSE_FILE) != 0;
bool attrReparsePoint = (fileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) != 0;
bool attrCompressed = (fileAttributes & FILE_ATTRIBUTE_COMPRESSED) != 0;
bool attrOffline = (fileAttributes & FILE_ATTRIBUTE_OFFLINE) != 0;
bool attrEncrypted = (fileAttributes & FILE_ATTRIBUTE_ENCRYPTED) != 0;
bool attrUnix = (fileAttributes & FILE_ATTRIBUTE_UNIX_EXTENSION) != 0;
uint32 unixAttributes = (fileAttributes & FILE_ATTRIBUTE_UNIX) >> 16;
uint32 windowsAttributes = fileAttributes & FILE_ATTRIBUTE_WINDOWS;
// qDebug() << "attribs" << QByteArray::fromRawData((const char*)&fileAttributes, 4).toHex();
#ifdef Q_OS_WIN
SetFileAttributesW((wchar_t*)filename.utf16(), windowsAttributes);
#else
const char *name = filename.toUtf8().constData();
mode_t current_umask = umask(0); // get and set the umask
umask(current_umask); // restore the umask
mode_t mask = 0777 & (~current_umask);
struct stat stat_info;
if (lstat(name, &stat_info) != 0)
{
nlwarning("Unable to get file attributes for %s", name);
return false;
}
if (attrUnix)
{
stat_info.st_mode = unixAttributes;
// ignore symbolic links
if (!S_ISLNK(stat_info.st_mode))
{
if (S_ISREG(stat_info.st_mode))
{
chmod(name, stat_info.st_mode & mask);
}
else if (S_ISDIR(stat_info.st_mode))
{
// user/7za must be able to create files in this directory
stat_info.st_mode |= (S_IRUSR | S_IWUSR | S_IXUSR);
chmod(name, stat_info.st_mode & mask);
}
}
}
else if (!S_ISLNK(stat_info.st_mode) && !S_ISDIR(stat_info.st_mode) && attrReadOnly)
{
// do not use chmod on a link
// Remark : FILE_ATTRIBUTE_READONLY ignored for directory.
// Only Windows Attributes
// octal!, clear write permission bits
stat_info.st_mode &= ~0222;
chmod(name, stat_info.st_mode & mask);
}
#endif
return true;
}
#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif
#define SZ_ERROR_INTERRUPTED 18
class Q7zFile : public ISeekInStream
{
QFile m_file;
public:
Q7zFile(const QString &filename):m_file(filename)
{
Read = readFunc;
Seek = seekFunc;
}
~Q7zFile()
{
}
bool open()
{
return m_file.open(QFile::ReadOnly);
}
// the read function called by 7zip to read data
static SRes readFunc(void *object, void *buffer, size_t *size)
{
Q7zFile *me = (Q7zFile*)object;
qint64 len = *size;
len = me->m_file.read((char*)buffer, len);
if (len == *size)
{
*size = len;
return SZ_OK;
}
else
{
return SZ_ERROR_READ;
}
}
// the seek function called by seven zip to seek inside stream
static SRes seekFunc(void *object, Int64 *pos, ESzSeek origin)
{
Q7zFile *me = (Q7zFile*)object;
qint64 newPos;
switch(origin)
{
case SZ_SEEK_SET: newPos = *pos; break;
case SZ_SEEK_CUR: newPos = me->m_file.pos() + *pos; break;
case SZ_SEEK_END: newPos = me->m_file.size() - *pos; break;
}
if (me->m_file.seek(newPos))
{
*pos = newPos;
return SZ_OK;
}
else
{
return SZ_ERROR_READ;
}
}
};
CFilesExtractor::CFilesExtractor(IOperationProgressListener *listener):m_listener(listener)
{
}
CFilesExtractor::~CFilesExtractor()
{
}
void CFilesExtractor::setSourceFile(const QString &src)
{
m_sourceFile = src;
}
void CFilesExtractor::setDestinationDirectory(const QString &dst)
{
m_destinationDirectory = dst;
}
bool CFilesExtractor::exec()
{
if (m_sourceFile.isEmpty() || m_destinationDirectory.isEmpty()) return false;
if (m_listener) m_listener->operationPrepare();
QFile file(m_sourceFile);
// open archive file to check format
if (!file.open(QFile::ReadOnly)) return false;
// read 2 first bytes
QByteArray header = file.read(2);
// close file
file.close();
// create destination directory
QDir dir;
dir.mkpath(m_destinationDirectory);
// compare to supported formats and call the appropriate decompressor
if (header == "7z")
{
return extract7z();
}
if (header == "PK")
{
return extractZip();
}
if (QFileInfo(m_sourceFile).suffix().toLower() == "bnp")
{
return extractBnp();
}
qDebug() << "Unsupported format";
return false;
}
bool CFilesExtractor::extract7z()
{
Q7zFile inFile(m_sourceFile);
if (!inFile.open())
{
if (m_listener) m_listener->operationFail(QApplication::tr("Unable to open %1").arg(m_sourceFile));
return false;
}
UInt16 *temp = NULL;
size_t tempSize = 0;
// register the files read handlers
CLookToRead lookStream;
lookStream.realStream = &inFile;
LookToRead_CreateVTable(&lookStream, False);
LookToRead_Init(&lookStream);
// init CRC table
CrcGenerateTable();
// init 7z
CSzArEx db;
SzArEx_Init(&db);
// register allocators
ISzAlloc allocImp;
allocImp.Alloc = SzAlloc;
allocImp.Free = SzFree;
ISzAlloc allocTempImp;
allocTempImp.Alloc = SzAllocTemp;
allocTempImp.Free = SzFreeTemp;
qint64 total = 0, totalUncompressed = 0;
QString error;
// open 7z acrhive
SRes res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
if (res == SZ_OK)
{
// process each file in archive
for (UInt32 i = 0; i < db.NumFiles; ++i)
{
bool isDir = SzArEx_IsDir(&db, i) != 0;
if (!isDir) total += SzArEx_GetFileSize(&db, i);
}
if (m_listener)
{
m_listener->operationInit(0, total);
m_listener->operationStart();
}
// variables used for decompression
UInt32 blockIndex = 0xFFFFFFFF;
Byte *outBuffer = NULL;
size_t outBufferSize = 0;
// process each file in archive
for (UInt32 i = 0; i < db.NumFiles; ++i)
{
if (m_listener && m_listener->operationShouldStop())
{
res = SZ_ERROR_INTERRUPTED;
break;
}
size_t offset = 0;
size_t outSizeProcessed = 0;
bool isDir = SzArEx_IsDir(&db, i) != 0;
size_t len = SzArEx_GetFileNameUtf16(&db, i, NULL);
if (len > tempSize)
{
SzFree(NULL, temp);
tempSize = len;
temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
if (!temp)
{
res = SZ_ERROR_MEM;
break;
}
}
SzArEx_GetFileNameUtf16(&db, i, temp);
QString path = QString::fromUtf16(temp);
QString filename = QFileInfo(path).fileName();
if (!isDir)
{
if (m_listener) m_listener->operationProgress(totalUncompressed, filename);
res = SzArEx_Extract(&db, &lookStream.s, i, &blockIndex, &outBuffer, &outBufferSize,
&offset, &outSizeProcessed, &allocImp, &allocTempImp);
if (res != SZ_OK) break;
}
QString destPath = m_destinationDirectory + '/' + path;
QDir dir;
if (isDir)
{
dir.mkpath(destPath);
continue;
}
dir.mkpath(QFileInfo(destPath).absolutePath());
QFile outFile(destPath);
if (!outFile.open(QFile::WriteOnly))
{
error = QApplication::tr("Unable to open output file");
res = SZ_ERROR_FAIL;
break;
}
size_t processedSize = outFile.write((const char*)(outBuffer + offset), outSizeProcessed);
if (processedSize != outSizeProcessed)
{
error = QApplication::tr("Unable to write output file");
res = SZ_ERROR_FAIL;
break;
}
outFile.close();
totalUncompressed += SzArEx_GetFileSize(&db, i);
if (m_listener) m_listener->operationProgress(totalUncompressed, filename);
if (SzBitWithVals_Check(&db.Attribs, i))
Set7zFileAttrib(destPath, db.Attribs.Vals[i]);
}
IAlloc_Free(&allocImp, outBuffer);
}
SzArEx_Free(&db, &allocImp);
SzFree(NULL, temp);
switch(res)
{
case SZ_OK:
if (m_listener)
{
m_listener->operationSuccess(totalUncompressed);
}
return true;
case SZ_ERROR_INTERRUPTED:
if (m_listener) m_listener->operationStop();
return true;
case SZ_ERROR_UNSUPPORTED:
error = QApplication::tr("7zip decoder doesn't support this archive");
break;
case SZ_ERROR_MEM:
error = QApplication::tr("Unable to allocate memory");
break;
case SZ_ERROR_CRC:
error = QApplication::tr("7zip decoder doesn't support this archive");
break;
case SZ_ERROR_FAIL:
// error already defined
break;
default:
error = QApplication::tr("Error %1").arg(res);
}
if (m_listener) m_listener->operationFail(error);
return false;
}
bool CFilesExtractor::extractZip()
{
QZipReader reader(m_sourceFile);
QDir baseDir(m_destinationDirectory);
// create directories first
QList<QZipReader::FileInfo> allFiles = reader.fileInfoList();
qint64 totalSize = 0, currentSize = 0;
foreach (const QZipReader::FileInfo &fi, allFiles)
{
if (fi.isDir)
{
const QString absPath = m_destinationDirectory + QDir::separator() + fi.filePath;
if (!baseDir.mkpath(fi.filePath))
{
if (m_listener) m_listener->operationFail(QApplication::tr("Unable to create directory %1").arg(absPath));
return false;
}
if (!QFile::setPermissions(absPath, fi.permissions))
{
if (m_listener) m_listener->operationFail(QApplication::tr("Unable to set permissions of %1").arg(absPath));
return false;
}
}
totalSize += fi.size;
}
if (m_listener)
{
m_listener->operationInit(0, totalSize);
m_listener->operationStart();
}
// client won't use symbolic links so don't process them
foreach (const QZipReader::FileInfo &fi, allFiles)
{
const QString absPath = m_destinationDirectory + QDir::separator() + fi.filePath;
if (fi.isFile)
{
if (m_listener && m_listener->operationShouldStop())
{
m_listener->operationStop();
return true;
}
QFile f(absPath);
if (!f.open(QIODevice::WriteOnly))
{
if (m_listener) m_listener->operationFail(QApplication::tr("Unable to open %1").arg(absPath));
return false;
}
currentSize += f.write(reader.fileData(fi.filePath));
f.setPermissions(fi.permissions);
f.close();
if (m_listener) m_listener->operationProgress(currentSize, QFileInfo(absPath).fileName());
}
}
if (m_listener)
{
m_listener->operationSuccess(totalSize);
}
return true;
}
bool CFilesExtractor::progress(const std::string &filename, uint32 currentSize, uint32 totalSize)
{
if (m_listener && m_listener->operationShouldStop())
{
m_listener->operationStop();
return false;
}
if (currentSize == 0)
{
if (m_listener)
{
m_listener->operationInit(0, (qint64)totalSize);
m_listener->operationStart();
}
}
if (m_listener) m_listener->operationProgress((qint64)currentSize, qFromUtf8(filename));
if (currentSize == totalSize)
{
if (m_listener)
{
m_listener->operationSuccess((qint64)totalSize);
}
}
return true;
}
bool CFilesExtractor::extractBnp()
{
QString error;
NLMISC::CBigFile::TUnpackProgressCallback cbMethod = NLMISC::CBigFile::TUnpackProgressCallback(this, &CFilesExtractor::progress);
try
{
if (NLMISC::CBigFile::unpack(qToUtf8(m_sourceFile), qToUtf8(m_destinationDirectory), &cbMethod))
{
return true;
}
if (m_listener && m_listener->operationShouldStop())
{
// stopped
m_listener->operationStop();
return true;
}
error.clear();
}
catch(const NLMISC::EDiskFullError &e)
{
error = QApplication::tr("disk full");
}
catch(const NLMISC::EWriteError &e)
{
error = QApplication::tr("unable to write %1").arg(qFromUtf8(e.Filename));
}
catch(const NLMISC::EReadError &e)
{
error = QApplication::tr("unable to read %1").arg(qFromUtf8(e.Filename));
}
catch(const std::exception &e)
{
error = QApplication::tr("failed (%1)").arg(qFromUtf8(e.what()));
}
if (m_listener) m_listener->operationFail(QApplication::tr("Unable to unpack %1 to %2: %3").arg(m_sourceFile).arg(m_destinationDirectory).arg(error));
return false;
}
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