Imported QuaZIP library to daemon sources

1 files changed, 277 insertions, 0 deletions

diff --git a/daemon/quazip/quazipnewinfo.cpp b/daemon/quazip/quazipnewinfo.cpp
new file mode 100644
index 0000000..db6c70a
--- /dev/null
+++ b/daemon/quazip/quazipnewinfo.cpp
@@ -0,0 +1,277 @@
+/*
+Copyright (C) 2005-2014 Sergey A. Tachenov
+
+This file is part of QuaZIP.
+
+QuaZIP is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+QuaZIP 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with QuaZIP.  If not, see <http://www.gnu.org/licenses/>.
+
+See COPYING file for the full LGPL text.
+
+Original ZIP package is copyrighted by Gilles Vollant and contributors,
+see quazip/(un)zip.h files for details. Basically it's the zlib license.
+*/
+
+#include <QFileInfo>
+
+#include "quazipnewinfo.h"
+
+#include <string.h>
+
+static void QuaZipNewInfo_setPermissions(QuaZipNewInfo *info,
+        QFile::Permissions perm, bool isDir)
+{
+    quint32 uPerm = isDir ? 0040000 : 0100000;
+    if ((perm & QFile::ReadOwner) != 0)
+        uPerm |= 0400;
+    if ((perm & QFile::WriteOwner) != 0)
+        uPerm |= 0200;
+    if ((perm & QFile::ExeOwner) != 0)
+        uPerm |= 0100;
+    if ((perm & QFile::ReadGroup) != 0)
+        uPerm |= 0040;
+    if ((perm & QFile::WriteGroup) != 0)
+        uPerm |= 0020;
+    if ((perm & QFile::ExeGroup) != 0)
+        uPerm |= 0010;
+    if ((perm & QFile::ReadOther) != 0)
+        uPerm |= 0004;
+    if ((perm & QFile::WriteOther) != 0)
+        uPerm |= 0002;
+    if ((perm & QFile::ExeOther) != 0)
+        uPerm |= 0001;
+    info->externalAttr = (info->externalAttr & ~0xFFFF0000u) | (uPerm << 16);
+}
+
+template<typename FileInfo>
+void QuaZipNewInfo_init(QuaZipNewInfo &self, const FileInfo &existing)
+{
+    self.name = existing.name;
+    self.dateTime = existing.dateTime;
+    self.internalAttr = existing.internalAttr;
+    self.externalAttr = existing.externalAttr;
+    self.comment = existing.comment;
+    self.extraLocal = existing.extra;
+    self.extraGlobal = existing.extra;
+    self.uncompressedSize = existing.uncompressedSize;
+}
+
+QuaZipNewInfo::QuaZipNewInfo(const QuaZipFileInfo &existing)
+{
+    QuaZipNewInfo_init(*this, existing);
+}
+
+QuaZipNewInfo::QuaZipNewInfo(const QuaZipFileInfo64 &existing)
+{
+    QuaZipNewInfo_init(*this, existing);
+}
+
+QuaZipNewInfo::QuaZipNewInfo(const QString& name):
+  name(name), dateTime(QDateTime::currentDateTime()), internalAttr(0), externalAttr(0),
+  uncompressedSize(0)
+{
+}
+
+QuaZipNewInfo::QuaZipNewInfo(const QString& name, const QString& file):
+  name(name), internalAttr(0), externalAttr(0), uncompressedSize(0)
+{
+  QFileInfo info(file);
+  QDateTime lm = info.lastModified();
+  if (!info.exists()) {
+    dateTime = QDateTime::currentDateTime();
+  } else {
+    dateTime = lm;
+    QuaZipNewInfo_setPermissions(this, info.permissions(), info.isDir());
+  }
+}
+
+void QuaZipNewInfo::setFileDateTime(const QString& file)
+{
+  QFileInfo info(file);
+  QDateTime lm = info.lastModified();
+  if (info.exists())
+    dateTime = lm;
+}
+
+void QuaZipNewInfo::setFilePermissions(const QString &file)
+{
+    QFileInfo info = QFileInfo(file);
+    QFile::Permissions perm = info.permissions();
+    QuaZipNewInfo_setPermissions(this, perm, info.isDir());
+}
+
+void QuaZipNewInfo::setPermissions(QFile::Permissions permissions)
+{
+    QuaZipNewInfo_setPermissions(this, permissions, name.endsWith('/'));
+}
+
+void QuaZipNewInfo::setFileNTFSTimes(const QString &fileName)
+{
+    QFileInfo fi(fileName);
+    if (!fi.exists()) {
+        qWarning("QuaZipNewInfo::setFileNTFSTimes(): '%s' doesn't exist",
+                 fileName.toUtf8().constData());
+        return;
+    }
+    setFileNTFSmTime(fi.lastModified());
+    setFileNTFSaTime(fi.lastRead());
+    setFileNTFScTime(fi.created());
+}
+
+static void setNTFSTime(QByteArray &extra, const QDateTime &time, int position,
+                        int fineTicks) {
+    int ntfsPos = -1, timesPos = -1;
+    unsigned ntfsLength = 0, ntfsTimesLength = 0;
+    for (int i = 0; i <= extra.size() - 4; ) {
+        unsigned type = static_cast<unsigned>(static_cast<unsigned char>(
+                                                  extra.at(i)))
+                | (static_cast<unsigned>(static_cast<unsigned char>(
+                                                  extra.at(i + 1))) << 8);
+        i += 2;
+        unsigned length = static_cast<unsigned>(static_cast<unsigned char>(
+                                                  extra.at(i)))
+                | (static_cast<unsigned>(static_cast<unsigned char>(
+                                                  extra.at(i + 1))) << 8);
+        i += 2;
+        if (type == QUAZIP_EXTRA_NTFS_MAGIC) {
+            ntfsPos = i - 4; // the beginning of the NTFS record
+            ntfsLength = length;
+            if (length <= 4) {
+                break; // no times in the NTFS record
+            }
+            i += 4; // reserved
+            while (i <= extra.size() - 4) {
+                unsigned tag = static_cast<unsigned>(
+                            static_cast<unsigned char>(extra.at(i)))
+                        | (static_cast<unsigned>(
+                               static_cast<unsigned char>(extra.at(i + 1)))
+                           << 8);
+                i += 2;
+                unsigned tagsize = static_cast<unsigned>(
+                            static_cast<unsigned char>(extra.at(i)))
+                        | (static_cast<unsigned>(
+                               static_cast<unsigned char>(extra.at(i + 1)))
+                           << 8);
+                i += 2;
+                if (tag == QUAZIP_EXTRA_NTFS_TIME_MAGIC) {
+                    timesPos = i - 4; // the beginning of the NTFS times tag
+                    ntfsTimesLength = tagsize;
+                    break;
+                } else {
+                    i += tagsize;
+                }
+            }
+            break; // I ain't going to search for yet another NTFS record!
+        } else {
+            i += length;
+        }
+    }
+    if (ntfsPos == -1) {
+        // No NTFS record, need to create one.
+        ntfsPos = extra.size();
+        ntfsLength = 32;
+        extra.resize(extra.size() + 4 + ntfsLength);
+        // the NTFS record header
+        extra[ntfsPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_MAGIC);
+        extra[ntfsPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_MAGIC >> 8);
+        extra[ntfsPos + 2] = 32; // the 2-byte size in LittleEndian
+        extra[ntfsPos + 3] = 0;
+        // zero the record
+        memset(extra.data() + ntfsPos + 4, 0, 32);
+        timesPos = ntfsPos + 8;
+        // now set the tag data
+        extra[timesPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC);
+        extra[timesPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC
+                                               >> 8);
+        // the size:
+        extra[timesPos + 2] = 24;
+        extra[timesPos + 3] = 0;
+        ntfsTimesLength = 24;
+    }
+    if (timesPos == -1) {
+        // No time tag in the NTFS record, need to add one.
+        timesPos = ntfsPos + 4 + ntfsLength;
+        extra.resize(extra.size() + 28);
+        // Now we need to move the rest of the field
+        // (possibly zero bytes, but memmove() is OK with that).
+        // 0 ......... ntfsPos .. ntfsPos + 4   ... timesPos
+        // <some data> <header>   <NTFS record>     <need-to-move data>    <end>
+        memmove(extra.data() + timesPos + 28, extra.data() + timesPos,
+                extra.size() - 28 - timesPos);
+        ntfsLength += 28;
+        // now set the tag data
+        extra[timesPos] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC);
+        extra[timesPos + 1] = static_cast<char>(QUAZIP_EXTRA_NTFS_TIME_MAGIC
+                                               >> 8);
+        // the size:
+        extra[timesPos + 2] = 24;
+        extra[timesPos + 3] = 0;
+        // zero the record
+        memset(extra.data() + timesPos + 4, 0, 24);
+        ntfsTimesLength = 24;
+    }
+    if (ntfsTimesLength < 24) {
+        // Broken times field. OK, this is really unlikely, but just in case...
+        size_t timesEnd = timesPos + 4 + ntfsTimesLength;
+        extra.resize(extra.size() + (24 - ntfsTimesLength));
+        // Move it!
+        // 0 ......... timesPos .... timesPos + 4 .. timesEnd
+        // <some data> <time header> <broken times> <need-to-move data> <end>
+        memmove(extra.data() + timesEnd + (24 - ntfsTimesLength),
+                extra.data() + timesEnd,
+                extra.size() - (24 - ntfsTimesLength) - timesEnd);
+        // Now we have to increase the NTFS record and time tag lengths.
+        ntfsLength += (24 - ntfsTimesLength);
+        ntfsTimesLength = 24;
+        extra[ntfsPos + 2] = static_cast<char>(ntfsLength);
+        extra[ntfsPos + 3] = static_cast<char>(ntfsLength >> 8);
+        extra[timesPos + 2] = static_cast<char>(ntfsTimesLength);
+        extra[timesPos + 3] = static_cast<char>(ntfsTimesLength >> 8);
+    }
+    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+#if (QT_VERSION >= 0x040700)
+    quint64 ticks = base.msecsTo(time) * 10000 + fineTicks;
+#else
+    QDateTime utc = time.toUTC();
+    quint64 ticks = (static_cast<qint64>(base.date().daysTo(utc.date()))
+            * Q_INT64_C(86400000)
+            + static_cast<qint64>(base.time().msecsTo(utc.time())))
+        * Q_INT64_C(10000) + fineTicks;
+#endif
+    extra[timesPos + 4 + position] = static_cast<char>(ticks);
+    extra[timesPos + 5 + position] = static_cast<char>(ticks >> 8);
+    extra[timesPos + 6 + position] = static_cast<char>(ticks >> 16);
+    extra[timesPos + 7 + position] = static_cast<char>(ticks >> 24);
+    extra[timesPos + 8 + position] = static_cast<char>(ticks >> 32);
+    extra[timesPos + 9 + position] = static_cast<char>(ticks >> 40);
+    extra[timesPos + 10 + position] = static_cast<char>(ticks >> 48);
+    extra[timesPos + 11 + position] = static_cast<char>(ticks >> 56);
+}
+
+void QuaZipNewInfo::setFileNTFSmTime(const QDateTime &mTime, int fineTicks)
+{
+    setNTFSTime(extraLocal, mTime, 0, fineTicks);
+    setNTFSTime(extraGlobal, mTime, 0, fineTicks);
+}
+
+void QuaZipNewInfo::setFileNTFSaTime(const QDateTime &aTime, int fineTicks)
+{
+    setNTFSTime(extraLocal, aTime, 8, fineTicks);
+    setNTFSTime(extraGlobal, aTime, 8, fineTicks);
+}
+
+void QuaZipNewInfo::setFileNTFScTime(const QDateTime &cTime, int fineTicks)
+{
+    setNTFSTime(extraLocal, cTime, 16, fineTicks);
+    setNTFSTime(extraGlobal, cTime, 16, fineTicks);
+}