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/* |
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Copyright (C) 2005-2014 Sergey A. Tachenov |
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|
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This file is part of QuaZIP. |
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|
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QuaZIP is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 2.1 of the License, or |
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(at your option) any later version. |
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|
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QuaZIP is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public License |
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along with QuaZIP. If not, see <http://www.gnu.org/licenses/>. |
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|
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See COPYING file for the full LGPL text. |
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|
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Original ZIP package is copyrighted by Gilles Vollant and contributors, |
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see quazip/(un)zip.h files for details. Basically it's the zlib license. |
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*/ |
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|
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#include <QFileInfo> |
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|
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#include "quazipnewinfo.h" |
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|
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#include <string.h> |
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|
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static void QuaZipNewInfo_setPermissions(QuaZipNewInfo *info, |
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QFile::Permissions perm, bool isDir) |
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{ |
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quint32 uPerm = isDir ? 0040000 : 0100000; |
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if ((perm & QFile::ReadOwner) != 0) |
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uPerm |= 0400; |
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if ((perm & QFile::WriteOwner) != 0) |
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uPerm |= 0200; |
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if ((perm & QFile::ExeOwner) != 0) |
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uPerm |= 0100; |
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if ((perm & QFile::ReadGroup) != 0) |
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uPerm |= 0040; |
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if ((perm & QFile::WriteGroup) != 0) |
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uPerm |= 0020; |
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if ((perm & QFile::ExeGroup) != 0) |
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uPerm |= 0010; |
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if ((perm & QFile::ReadOther) != 0) |
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uPerm |= 0004; |
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if ((perm & QFile::WriteOther) != 0) |
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uPerm |= 0002; |
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if ((perm & QFile::ExeOther) != 0) |
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uPerm |= 0001; |
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info->externalAttr = (info->externalAttr & ~0xFFFF0000u) | (uPerm << 16); |
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} |
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|
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template<typename FileInfo> |
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void QuaZipNewInfo_init(QuaZipNewInfo &self, const FileInfo &existing) |
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{ |
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self.name = existing.name; |
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self.dateTime = existing.dateTime; |
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self.internalAttr = existing.internalAttr; |
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self.externalAttr = existing.externalAttr; |
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self.comment = existing.comment; |
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self.extraLocal = existing.extra; |
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self.extraGlobal = existing.extra; |
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self.uncompressedSize = existing.uncompressedSize; |
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} |
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|
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QuaZipNewInfo::QuaZipNewInfo(const QuaZipFileInfo &existing) |
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{ |
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QuaZipNewInfo_init(*this, existing); |
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} |
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|
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QuaZipNewInfo::QuaZipNewInfo(const QuaZipFileInfo64 &existing) |
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{ |
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QuaZipNewInfo_init(*this, existing); |
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} |
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|
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QuaZipNewInfo::QuaZipNewInfo(const QString& name): |
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name(name), dateTime(QDateTime::currentDateTime()), internalAttr(0), externalAttr(0), |
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uncompressedSize(0) |
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{ |
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} |
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|
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QuaZipNewInfo::QuaZipNewInfo(const QString& name, const QString& file): |
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name(name), internalAttr(0), externalAttr(0), uncompressedSize(0) |
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{ |
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QFileInfo info(file); |
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QDateTime lm = info.lastModified(); |
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if (!info.exists()) { |
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dateTime = QDateTime::currentDateTime(); |
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} else { |
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dateTime = lm; |
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QuaZipNewInfo_setPermissions(this, info.permissions(), info.isDir()); |
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} |
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} |
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|
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void QuaZipNewInfo::setFileDateTime(const QString& file) |
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{ |
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QFileInfo info(file); |
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QDateTime lm = info.lastModified(); |
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if (info.exists()) |
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dateTime = lm; |
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} |
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|
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void QuaZipNewInfo::setFilePermissions(const QString &file) |
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{ |
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QFileInfo info = QFileInfo(file); |
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QFile::Permissions perm = info.permissions(); |
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QuaZipNewInfo_setPermissions(this, perm, info.isDir()); |
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} |
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|
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void QuaZipNewInfo::setPermissions(QFile::Permissions permissions) |
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{ |
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QuaZipNewInfo_setPermissions(this, permissions, name.endsWith('/')); |
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} |
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|
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void QuaZipNewInfo::setFileNTFSTimes(const QString &fileName) |
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{ |
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QFileInfo fi(fileName); |
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if (!fi.exists()) { |
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qWarning("QuaZipNewInfo::setFileNTFSTimes(): '%s' doesn't exist", |
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fileName.toUtf8().constData()); |
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return; |
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} |
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setFileNTFSmTime(fi.lastModified()); |
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setFileNTFSaTime(fi.lastRead()); |
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setFileNTFScTime(fi.created()); |
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} |
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|
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static void setNTFSTime(QByteArray &extra, const QDateTime &time, int position, |
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int fineTicks) { |
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int ntfsPos = -1, timesPos = -1; |
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unsigned ntfsLength = 0, ntfsTimesLength = 0; |
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for (int i = 0; i <= extra.size() - 4; ) { |
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unsigned type = static_cast<unsigned>(static_cast<unsigned char>( |
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extra.at(i))) |
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| (static_cast<unsigned>(static_cast<unsigned char>( |
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extra.at(i + 1))) << 8); |
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i += 2; |
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unsigned length = static_cast<unsigned>(static_cast<unsigned char>( |
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extra.at(i))) |
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| (static_cast<unsigned>(static_cast<unsigned char>( |
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extra.at(i + 1))) << 8); |
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i += 2; |
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if (type == QUAZIP_EXTRA_NTFS_MAGIC) { |
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ntfsPos = i - 4; // the beginning of the NTFS record |
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ntfsLength = length; |
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if (length <= 4) { |
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break; // no times in the NTFS record |
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} |
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i += 4; // reserved |
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while (i <= extra.size() - 4) { |
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unsigned tag = static_cast<unsigned>( |
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static_cast<unsigned char>(extra.at(i))) |
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| (static_cast<unsigned>( |
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static_cast<unsigned char>(extra.at(i + 1))) |
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<< 8); |
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i += 2; |
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unsigned tagsize = static_cast<unsigned>( |
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static_cast<unsigned char>(extra.at(i))) |
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| (static_cast<unsigned>( |
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static_cast<unsigned char>(extra.at(i + 1))) |
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<< 8); |
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i += 2; |
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if (tag == QUAZIP_EXTRA_NTFS_TIME_MAGIC) { |
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timesPos = i - 4; // the beginning of the NTFS times tag |
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ntfsTimesLength = tagsize; |
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break; |
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} else { |
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i += tagsize; |
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} |
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} |
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break; // I ain't going to search for yet another NTFS record! |
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} else { |
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i += length; |
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} |
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} |
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if (ntfsPos == -1) { |
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// No NTFS record, need to create one. |
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ntfsPos = extra.size(); |
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ntfsLength = 32; |
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extra.resize(extra.size() + 4 + ntfsLength); |
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// the NTFS record header |
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extra[ntfsPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_MAGIC); |
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extra[ntfsPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_MAGIC >> 8); |
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extra[ntfsPos + 2] = 32; // the 2-byte size in LittleEndian |
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extra[ntfsPos + 3] = 0; |
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// zero the record |
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memset(extra.data() + ntfsPos + 4, 0, 32); |
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timesPos = ntfsPos + 8; |
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// now set the tag data |
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extra[timesPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC); |
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extra[timesPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC |
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>> 8); |
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// the size: |
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extra[timesPos + 2] = 24; |
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extra[timesPos + 3] = 0; |
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ntfsTimesLength = 24; |
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} |
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if (timesPos == -1) { |
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// No time tag in the NTFS record, need to add one. |
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timesPos = ntfsPos + 4 + ntfsLength; |
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extra.resize(extra.size() + 28); |
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// Now we need to move the rest of the field |
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// (possibly zero bytes, but memmove() is OK with that). |
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// 0 ......... ntfsPos .. ntfsPos + 4 ... timesPos |
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// <some data> <header> <NTFS record> <need-to-move data> <end> |
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memmove(extra.data() + timesPos + 28, extra.data() + timesPos, |
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extra.size() - 28 - timesPos); |
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ntfsLength += 28; |
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// now set the tag data |
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extra[timesPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC); |
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extra[timesPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC |
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>> 8); |
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// the size: |
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extra[timesPos + 2] = 24; |
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extra[timesPos + 3] = 0; |
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// zero the record |
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memset(extra.data() + timesPos + 4, 0, 24); |
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ntfsTimesLength = 24; |
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} |
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if (ntfsTimesLength < 24) { |
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// Broken times field. OK, this is really unlikely, but just in case... |
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size_t timesEnd = timesPos + 4 + ntfsTimesLength; |
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extra.resize(extra.size() + (24 - ntfsTimesLength)); |
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// Move it! |
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// 0 ......... timesPos .... timesPos + 4 .. timesEnd |
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// <some data> <time header> <broken times> <need-to-move data> <end> |
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memmove(extra.data() + timesEnd + (24 - ntfsTimesLength), |
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extra.data() + timesEnd, |
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extra.size() - (24 - ntfsTimesLength) - timesEnd); |
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// Now we have to increase the NTFS record and time tag lengths. |
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ntfsLength += (24 - ntfsTimesLength); |
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ntfsTimesLength = 24; |
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extra[ntfsPos + 2] = static_cast<char>(ntfsLength); |
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extra[ntfsPos + 3] = static_cast<char>(ntfsLength >> 8); |
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extra[timesPos + 2] = static_cast<char>(ntfsTimesLength); |
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extra[timesPos + 3] = static_cast<char>(ntfsTimesLength >> 8); |
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} |
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QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC); |
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#if (QT_VERSION >= 0x040700) |
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quint64 ticks = base.msecsTo(time) * 10000 + fineTicks; |
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#else |
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QDateTime utc = time.toUTC(); |
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quint64 ticks = (static_cast<qint64>(base.date().daysTo(utc.date())) |
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* Q_INT64_C(86400000) |
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+ static_cast<qint64>(base.time().msecsTo(utc.time()))) |
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* Q_INT64_C(10000) + fineTicks; |
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#endif |
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extra[timesPos + 4 + position] = static_cast<char>(ticks); |
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extra[timesPos + 5 + position] = static_cast<char>(ticks >> 8); |
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extra[timesPos + 6 + position] = static_cast<char>(ticks >> 16); |
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extra[timesPos + 7 + position] = static_cast<char>(ticks >> 24); |
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extra[timesPos + 8 + position] = static_cast<char>(ticks >> 32); |
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extra[timesPos + 9 + position] = static_cast<char>(ticks >> 40); |
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extra[timesPos + 10 + position] = static_cast<char>(ticks >> 48); |
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extra[timesPos + 11 + position] = static_cast<char>(ticks >> 56); |
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} |
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|
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void QuaZipNewInfo::setFileNTFSmTime(const QDateTime &mTime, int fineTicks) |
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{ |
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setNTFSTime(extraLocal, mTime, 0, fineTicks); |
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setNTFSTime(extraGlobal, mTime, 0, fineTicks); |
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} |
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|
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void QuaZipNewInfo::setFileNTFSaTime(const QDateTime &aTime, int fineTicks) |
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{ |
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setNTFSTime(extraLocal, aTime, 8, fineTicks); |
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setNTFSTime(extraGlobal, aTime, 8, fineTicks); |
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} |
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|
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void QuaZipNewInfo::setFileNTFScTime(const QDateTime &cTime, int fineTicks) |
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{ |
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setNTFSTime(extraLocal, cTime, 16, fineTicks); |
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setNTFSTime(extraGlobal, cTime, 16, fineTicks); |
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} |
