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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 "quazipfileinfo.h" |
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|
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static QFile::Permissions permissionsFromExternalAttr(quint32 externalAttr) { |
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quint32 uPerm = (externalAttr & 0xFFFF0000u) >> 16; |
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QFile::Permissions perm = 0; |
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if ((uPerm & 0400) != 0) |
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perm |= QFile::ReadOwner; |
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if ((uPerm & 0200) != 0) |
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perm |= QFile::WriteOwner; |
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if ((uPerm & 0100) != 0) |
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perm |= QFile::ExeOwner; |
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if ((uPerm & 0040) != 0) |
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perm |= QFile::ReadGroup; |
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if ((uPerm & 0020) != 0) |
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perm |= QFile::WriteGroup; |
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if ((uPerm & 0010) != 0) |
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perm |= QFile::ExeGroup; |
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if ((uPerm & 0004) != 0) |
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perm |= QFile::ReadOther; |
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if ((uPerm & 0002) != 0) |
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perm |= QFile::WriteOther; |
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if ((uPerm & 0001) != 0) |
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perm |= QFile::ExeOther; |
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return perm; |
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|
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} |
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|
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QFile::Permissions QuaZipFileInfo::getPermissions() const |
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{ |
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return permissionsFromExternalAttr(externalAttr); |
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} |
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|
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QFile::Permissions QuaZipFileInfo64::getPermissions() const |
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{ |
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return permissionsFromExternalAttr(externalAttr); |
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} |
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|
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bool QuaZipFileInfo64::toQuaZipFileInfo(QuaZipFileInfo &info) const |
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{ |
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bool noOverflow = true; |
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info.name = name; |
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info.versionCreated = versionCreated; |
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info.versionNeeded = versionNeeded; |
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info.flags = flags; |
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info.method = method; |
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info.dateTime = dateTime; |
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info.crc = crc; |
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if (compressedSize > 0xFFFFFFFFu) { |
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info.compressedSize = 0xFFFFFFFFu; |
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noOverflow = false; |
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} else { |
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info.compressedSize = compressedSize; |
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} |
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if (uncompressedSize > 0xFFFFFFFFu) { |
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info.uncompressedSize = 0xFFFFFFFFu; |
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noOverflow = false; |
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} else { |
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info.uncompressedSize = uncompressedSize; |
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} |
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info.diskNumberStart = diskNumberStart; |
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info.internalAttr = internalAttr; |
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info.externalAttr = externalAttr; |
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info.comment = comment; |
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info.extra = extra; |
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return noOverflow; |
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} |
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|
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static QDateTime getNTFSTime(const QByteArray &extra, int position, |
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int *fineTicks) |
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{ |
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QDateTime dateTime; |
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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 && length >= 32) { |
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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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int 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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&& tagsize >= position + 8) { |
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i += position; |
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quint64 mtime = static_cast<quint64>( |
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static_cast<unsigned char>(extra.at(i))) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 1))) << 8) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 2))) << 16) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 3))) << 24) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 4))) << 32) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 5))) << 40) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 6))) << 48) |
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| (static_cast<quint64>(static_cast<unsigned char>( |
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extra.at(i + 7))) << 56); |
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// the NTFS time is measured from 1601 for whatever reason |
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QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC); |
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dateTime = base.addMSecs(mtime / 10000); |
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if (fineTicks != NULL) { |
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*fineTicks = static_cast<int>(mtime % 10000); |
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} |
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i += tagsize - position; |
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} else { |
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i += tagsize; |
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} |
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|
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} |
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} else { |
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i += length; |
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} |
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} |
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if (fineTicks != NULL && dateTime.isNull()) { |
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*fineTicks = 0; |
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} |
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return dateTime; |
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} |
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|
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QDateTime QuaZipFileInfo64::getNTFSmTime(int *fineTicks) const |
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{ |
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return getNTFSTime(extra, 0, fineTicks); |
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} |
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|
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QDateTime QuaZipFileInfo64::getNTFSaTime(int *fineTicks) const |
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{ |
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return getNTFSTime(extra, 8, fineTicks); |
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} |
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|
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QDateTime QuaZipFileInfo64::getNTFScTime(int *fineTicks) const |
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{ |
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return getNTFSTime(extra, 16, fineTicks); |
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} |
