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https://github.com/nextcloud/desktop.git
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Move non-csync-dependent parts of FileSystem to src/common
This keep the csync-dependent parts in src/libsync, slitting the namespace over two files. This will allow moving SyncJournalDB to src/common as well.
This commit is contained in:
parent
dc3c3195b5
commit
4c2e078eac
13 changed files with 724 additions and 710 deletions
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@ -2,5 +2,6 @@
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# Essentially they could be in the same directory but are separate to
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# help keep track of the different code licenses.
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set(common_SOURCES
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${CMAKE_CURRENT_LIST_DIR}/filesystembase.cpp
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${CMAKE_CURRENT_LIST_DIR}/utility.cpp
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)
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488
src/common/filesystembase.cpp
Normal file
488
src/common/filesystembase.cpp
Normal file
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/*
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* Copyright (C) by Daniel Molkentin <danimo@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "filesystembase.h"
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#include <QDateTime>
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#include <QFile>
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#include <QCryptographicHash>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef ZLIB_FOUND
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#include <zlib.h>
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#endif
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#ifdef Q_OS_WIN
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#include <windows.h>
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#include <windef.h>
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#include <winbase.h>
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#include <fcntl.h>
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#include <io.h>
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#endif
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namespace OCC {
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Q_LOGGING_CATEGORY(lcFileSystem, "sync.filesystem", QtInfoMsg)
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QString FileSystem::longWinPath(const QString &inpath)
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{
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#ifdef Q_OS_WIN
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return pathtoUNC(inpath);
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#else
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return inpath;
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#endif
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}
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void FileSystem::setFileHidden(const QString &filename, bool hidden)
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{
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#ifdef _WIN32
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QString fName = longWinPath(filename);
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DWORD dwAttrs;
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dwAttrs = GetFileAttributesW((wchar_t *)fName.utf16());
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if (dwAttrs != INVALID_FILE_ATTRIBUTES) {
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if (hidden && !(dwAttrs & FILE_ATTRIBUTE_HIDDEN)) {
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SetFileAttributesW((wchar_t *)fName.utf16(), dwAttrs | FILE_ATTRIBUTE_HIDDEN);
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} else if (!hidden && (dwAttrs & FILE_ATTRIBUTE_HIDDEN)) {
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SetFileAttributesW((wchar_t *)fName.utf16(), dwAttrs & ~FILE_ATTRIBUTE_HIDDEN);
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}
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}
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#else
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Q_UNUSED(filename);
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Q_UNUSED(hidden);
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#endif
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}
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static QFile::Permissions getDefaultWritePermissions()
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{
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QFile::Permissions result = QFile::WriteUser;
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#ifndef Q_OS_WIN
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mode_t mask = umask(0);
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umask(mask);
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if (!(mask & S_IWGRP)) {
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result |= QFile::WriteGroup;
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}
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if (!(mask & S_IWOTH)) {
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result |= QFile::WriteOther;
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}
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#endif
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return result;
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}
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void FileSystem::setFileReadOnly(const QString &filename, bool readonly)
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{
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QFile file(filename);
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QFile::Permissions permissions = file.permissions();
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QFile::Permissions allWritePermissions =
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QFile::WriteUser | QFile::WriteGroup | QFile::WriteOther | QFile::WriteOwner;
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static QFile::Permissions defaultWritePermissions = getDefaultWritePermissions();
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permissions &= ~allWritePermissions;
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if (!readonly) {
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permissions |= defaultWritePermissions;
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}
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file.setPermissions(permissions);
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}
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void FileSystem::setFolderMinimumPermissions(const QString &filename)
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{
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#ifdef Q_OS_MAC
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QFile::Permissions perm = QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner;
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QFile file(filename);
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file.setPermissions(perm);
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#else
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Q_UNUSED(filename);
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#endif
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}
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void FileSystem::setFileReadOnlyWeak(const QString &filename, bool readonly)
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{
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QFile file(filename);
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QFile::Permissions permissions = file.permissions();
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if (!readonly && (permissions & QFile::WriteOwner)) {
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return; // already writable enough
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}
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setFileReadOnly(filename, readonly);
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}
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bool FileSystem::rename(const QString &originFileName,
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const QString &destinationFileName,
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QString *errorString)
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{
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bool success = false;
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QString error;
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#ifdef Q_OS_WIN
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QString orig = longWinPath(originFileName);
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QString dest = longWinPath(destinationFileName);
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if (isLnkFile(originFileName) || isLnkFile(destinationFileName)) {
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success = MoveFileEx((wchar_t *)orig.utf16(),
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(wchar_t *)dest.utf16(),
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MOVEFILE_COPY_ALLOWED | MOVEFILE_WRITE_THROUGH);
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if (!success) {
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wchar_t *string = 0;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, ::GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPWSTR)&string, 0, NULL);
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error = QString::fromWCharArray(string);
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LocalFree((HLOCAL)string);
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}
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} else
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#endif
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{
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QFile orig(originFileName);
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success = orig.rename(destinationFileName);
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if (!success) {
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error = orig.errorString();
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}
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}
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if (!success) {
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qCWarning(lcFileSystem) << "Error renaming file" << originFileName
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<< "to" << destinationFileName
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<< "failed: " << error;
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if (errorString) {
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*errorString = error;
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}
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}
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return success;
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}
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bool FileSystem::uncheckedRenameReplace(const QString &originFileName,
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const QString &destinationFileName,
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QString *errorString)
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{
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#ifndef Q_OS_WIN
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bool success;
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QFile orig(originFileName);
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// We want a rename that also overwites. QFile::rename does not overwite.
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// Qt 5.1 has QSaveFile::renameOverwrite we could use.
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// ### FIXME
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success = true;
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bool destExists = fileExists(destinationFileName);
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if (destExists && !QFile::remove(destinationFileName)) {
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*errorString = orig.errorString();
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qCWarning(lcFileSystem) << "Target file could not be removed.";
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success = false;
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}
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if (success) {
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success = orig.rename(destinationFileName);
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}
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if (!success) {
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*errorString = orig.errorString();
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qCWarning(lcFileSystem) << "Renaming temp file to final failed: " << *errorString;
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return false;
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}
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#else //Q_OS_WIN
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// You can not overwrite a read-only file on windows.
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if (!QFileInfo(destinationFileName).isWritable()) {
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setFileReadOnly(destinationFileName, false);
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}
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BOOL ok;
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QString orig = longWinPath(originFileName);
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QString dest = longWinPath(destinationFileName);
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ok = MoveFileEx((wchar_t *)orig.utf16(),
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(wchar_t *)dest.utf16(),
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MOVEFILE_REPLACE_EXISTING + MOVEFILE_COPY_ALLOWED + MOVEFILE_WRITE_THROUGH);
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if (!ok) {
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wchar_t *string = 0;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, ::GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPWSTR)&string, 0, NULL);
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*errorString = QString::fromWCharArray(string);
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qCWarning(lcFileSystem) << "Renaming temp file to final failed: " << *errorString;
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LocalFree((HLOCAL)string);
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return false;
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}
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#endif
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return true;
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}
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bool FileSystem::openAndSeekFileSharedRead(QFile *file, QString *errorOrNull, qint64 seek)
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{
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QString errorDummy;
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// avoid many if (errorOrNull) later.
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QString &error = errorOrNull ? *errorOrNull : errorDummy;
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error.clear();
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#ifdef Q_OS_WIN
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//
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// The following code is adapted from Qt's QFSFileEnginePrivate::nativeOpen()
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// by including the FILE_SHARE_DELETE share mode.
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//
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// Enable full sharing.
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DWORD shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
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int accessRights = GENERIC_READ;
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DWORD creationDisp = OPEN_EXISTING;
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// Create the file handle.
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SECURITY_ATTRIBUTES securityAtts = { sizeof(SECURITY_ATTRIBUTES), NULL, FALSE };
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QString fName = longWinPath(file->fileName());
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HANDLE fileHandle = CreateFileW(
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(const wchar_t *)fName.utf16(),
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accessRights,
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shareMode,
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&securityAtts,
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creationDisp,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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// Bail out on error.
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if (fileHandle == INVALID_HANDLE_VALUE) {
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error = qt_error_string();
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return false;
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}
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// Convert the HANDLE to an fd and pass it to QFile's foreign-open
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// function. The fd owns the handle, so when QFile later closes
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// the fd the handle will be closed too.
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int fd = _open_osfhandle((intptr_t)fileHandle, _O_RDONLY);
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if (fd == -1) {
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error = "could not make fd from handle";
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return false;
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}
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if (!file->open(fd, QIODevice::ReadOnly, QFile::AutoCloseHandle)) {
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error = file->errorString();
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return false;
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}
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// Seek to the right spot
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LARGE_INTEGER *li = reinterpret_cast<LARGE_INTEGER *>(&seek);
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DWORD newFilePointer = SetFilePointer(fileHandle, li->LowPart, &li->HighPart, FILE_BEGIN);
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if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
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error = qt_error_string();
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return false;
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}
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return true;
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#else
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if (!file->open(QFile::ReadOnly)) {
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error = file->errorString();
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return false;
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}
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if (!file->seek(seek)) {
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error = file->errorString();
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return false;
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}
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return true;
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#endif
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}
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#ifdef Q_OS_WIN
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static bool fileExistsWin(const QString &filename)
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{
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WIN32_FIND_DATA FindFileData;
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HANDLE hFind;
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QString fName = FileSystem::longWinPath(filename);
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hFind = FindFirstFileW((wchar_t *)fName.utf16(), &FindFileData);
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if (hFind == INVALID_HANDLE_VALUE) {
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return false;
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}
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FindClose(hFind);
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return true;
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}
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#endif
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bool FileSystem::fileExists(const QString &filename, const QFileInfo &fileInfo)
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{
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#ifdef Q_OS_WIN
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if (isLnkFile(filename)) {
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// Use a native check.
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return fileExistsWin(filename);
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}
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#endif
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bool re = fileInfo.exists();
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// if the filename is different from the filename in fileInfo, the fileInfo is
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// not valid. There needs to be one initialised here. Otherwise the incoming
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// fileInfo is re-used.
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if (fileInfo.filePath() != filename) {
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QFileInfo myFI(filename);
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re = myFI.exists();
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}
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return re;
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}
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#ifdef Q_OS_WIN
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QString FileSystem::fileSystemForPath(const QString &path)
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{
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// See also QStorageInfo (Qt >=5.4) and GetVolumeInformationByHandleW (>= Vista)
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QString drive = path.left(2);
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if (!drive.endsWith(":"))
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return QString();
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drive.append('\\');
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const size_t fileSystemBufferSize = 4096;
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TCHAR fileSystemBuffer[fileSystemBufferSize];
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if (!GetVolumeInformationW(
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reinterpret_cast<LPCWSTR>(drive.utf16()),
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NULL, 0,
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NULL, NULL, NULL,
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fileSystemBuffer, fileSystemBufferSize)) {
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return QString();
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}
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return QString::fromUtf16(reinterpret_cast<const ushort *>(fileSystemBuffer));
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}
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#endif
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#define BUFSIZE qint64(500 * 1024) // 500 KiB
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static QByteArray readToCrypto(const QString &filename, QCryptographicHash::Algorithm algo)
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{
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QFile file(filename);
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const qint64 bufSize = qMin(BUFSIZE, file.size() + 1);
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QByteArray buf(bufSize, Qt::Uninitialized);
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QByteArray arr;
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QCryptographicHash crypto(algo);
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if (file.open(QIODevice::ReadOnly)) {
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qint64 size;
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while (!file.atEnd()) {
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size = file.read(buf.data(), bufSize);
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if (size > 0) {
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crypto.addData(buf.data(), size);
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}
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}
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arr = crypto.result().toHex();
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}
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return arr;
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}
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QByteArray FileSystem::calcMd5(const QString &filename)
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{
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return readToCrypto(filename, QCryptographicHash::Md5);
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}
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QByteArray FileSystem::calcSha1(const QString &filename)
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{
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return readToCrypto(filename, QCryptographicHash::Sha1);
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}
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#ifdef ZLIB_FOUND
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QByteArray FileSystem::calcAdler32(const QString &filename)
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{
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QFile file(filename);
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const qint64 bufSize = qMin(BUFSIZE, file.size() + 1);
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QByteArray buf(bufSize, Qt::Uninitialized);
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unsigned int adler = adler32(0L, Z_NULL, 0);
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if (file.open(QIODevice::ReadOnly)) {
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qint64 size;
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while (!file.atEnd()) {
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size = file.read(buf.data(), bufSize);
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if (size > 0)
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adler = adler32(adler, (const Bytef *)buf.data(), size);
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}
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}
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return QByteArray::number(adler, 16);
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}
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#endif
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QString FileSystem::makeConflictFileName(const QString &fn, const QDateTime &dt)
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{
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QString conflictFileName(fn);
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// Add _conflict-XXXX before the extension.
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int dotLocation = conflictFileName.lastIndexOf('.');
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// If no extension, add it at the end (take care of cases like foo/.hidden or foo.bar/file)
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if (dotLocation <= conflictFileName.lastIndexOf('/') + 1) {
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dotLocation = conflictFileName.size();
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}
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QString timeString = dt.toString("yyyyMMdd-hhmmss");
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// Additional marker
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QByteArray conflictFileUserName = qgetenv("CSYNC_CONFLICT_FILE_USERNAME");
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if (conflictFileUserName.isEmpty())
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conflictFileName.insert(dotLocation, "_conflict-" + timeString);
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else
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conflictFileName.insert(dotLocation, "_conflict_" + QString::fromUtf8(conflictFileUserName) + "-" + timeString);
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return conflictFileName;
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}
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bool FileSystem::remove(const QString &fileName, QString *errorString)
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{
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#ifdef Q_OS_WIN
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// You cannot delete a read-only file on windows, but we want to
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// allow that.
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if (!QFileInfo(fileName).isWritable()) {
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setFileReadOnly(fileName, false);
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}
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#endif
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QFile f(fileName);
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if (!f.remove()) {
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if (errorString) {
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*errorString = f.errorString();
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}
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return false;
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}
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return true;
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}
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bool FileSystem::isFileLocked(const QString &fileName)
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{
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#ifdef Q_OS_WIN
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const wchar_t *wuri = reinterpret_cast<const wchar_t *>(fileName.utf16());
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// Check if file exists
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DWORD attr = GetFileAttributesW(wuri);
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if (attr != INVALID_FILE_ATTRIBUTES) {
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||||
// Try to open the file with as much access as possible..
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||||
HANDLE win_h = CreateFileW(
|
||||
wuri,
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||||
GENERIC_READ | GENERIC_WRITE,
|
||||
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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||||
NULL, OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS,
|
||||
NULL);
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||||
|
||||
if (win_h == INVALID_HANDLE_VALUE) {
|
||||
/* could not be opened, so locked? */
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||||
/* 32 == ERROR_SHARING_VIOLATION */
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||||
return true;
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||||
} else {
|
||||
CloseHandle(win_h);
|
||||
}
|
||||
}
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||||
#else
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||||
Q_UNUSED(fileName);
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||||
#endif
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||||
return false;
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||||
}
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|
||||
bool FileSystem::isLnkFile(const QString &filename)
|
||||
{
|
||||
return filename.endsWith(".lnk");
|
||||
}
|
||||
|
||||
} // namespace OCC
|
189
src/common/filesystembase.h
Normal file
189
src/common/filesystembase.h
Normal file
|
@ -0,0 +1,189 @@
|
|||
/*
|
||||
* Copyright (C) by Olivier Goffart <ogoffart@owncloud.com>
|
||||
*
|
||||
* This library 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 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library 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 this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <QString>
|
||||
#include <ctime>
|
||||
#include <QFileInfo>
|
||||
#include <QLoggingCategory>
|
||||
|
||||
#include <ocsynclib.h>
|
||||
|
||||
class QFile;
|
||||
|
||||
namespace OCC {
|
||||
|
||||
OCSYNC_EXPORT Q_DECLARE_LOGGING_CATEGORY(lcFileSystem)
|
||||
|
||||
/**
|
||||
* \addtogroup libsync
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief This file contains file system helper
|
||||
*/
|
||||
namespace FileSystem {
|
||||
|
||||
/**
|
||||
* @brief Mark the file as hidden (only has effects on windows)
|
||||
*/
|
||||
void OCSYNC_EXPORT setFileHidden(const QString &filename, bool hidden);
|
||||
|
||||
/**
|
||||
* @brief Marks the file as read-only.
|
||||
*
|
||||
* On linux this either revokes all 'w' permissions or restores permissions
|
||||
* according to the umask.
|
||||
*/
|
||||
void OCSYNC_EXPORT setFileReadOnly(const QString &filename, bool readonly);
|
||||
|
||||
/**
|
||||
* @brief Marks the file as read-only.
|
||||
*
|
||||
* It's like setFileReadOnly(), but weaker: if readonly is false and the user
|
||||
* already has write permissions, no change to the permissions is made.
|
||||
*
|
||||
* This means that it will preserve explicitly set rw-r--r-- permissions even
|
||||
* when the umask is 0002. (setFileReadOnly() would adjust to rw-rw-r--)
|
||||
*/
|
||||
void OCSYNC_EXPORT setFileReadOnlyWeak(const QString &filename, bool readonly);
|
||||
|
||||
/**
|
||||
* @brief Try to set permissions so that other users on the local machine can not
|
||||
* go into the folder.
|
||||
*/
|
||||
void OCSYNC_EXPORT setFolderMinimumPermissions(const QString &filename);
|
||||
|
||||
/** convert a "normal" windows path into a path that can be 32k chars long. */
|
||||
QString OCSYNC_EXPORT longWinPath(const QString &inpath);
|
||||
|
||||
/**
|
||||
* @brief Checks whether a file exists.
|
||||
*
|
||||
* Use this over QFileInfo::exists() and QFile::exists() to avoid bugs with lnk
|
||||
* files, see above.
|
||||
*/
|
||||
bool OCSYNC_EXPORT fileExists(const QString &filename, const QFileInfo & = QFileInfo());
|
||||
|
||||
/**
|
||||
* @brief Rename the file \a originFileName to \a destinationFileName.
|
||||
*
|
||||
* It behaves as QFile::rename() but handles .lnk files correctly on Windows.
|
||||
*/
|
||||
bool OCSYNC_EXPORT rename(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString = NULL);
|
||||
|
||||
/**
|
||||
* Rename the file \a originFileName to \a destinationFileName, and
|
||||
* overwrite the destination if it already exists - without extra checks.
|
||||
*/
|
||||
bool OCSYNC_EXPORT uncheckedRenameReplace(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString);
|
||||
|
||||
/**
|
||||
* Removes a file.
|
||||
*
|
||||
* Equivalent to QFile::remove(), except on Windows, where it will also
|
||||
* successfully remove read-only files.
|
||||
*/
|
||||
bool OCSYNC_EXPORT remove(const QString &fileName, QString *errorString = 0);
|
||||
|
||||
/**
|
||||
* Replacement for QFile::open(ReadOnly) followed by a seek().
|
||||
* This version sets a more permissive sharing mode on Windows.
|
||||
*
|
||||
* Warning: The resulting file may have an empty fileName and be unsuitable for use
|
||||
* with QFileInfo! Calling seek() on the QFile with >32bit signed values will fail!
|
||||
*/
|
||||
bool OCSYNC_EXPORT openAndSeekFileSharedRead(QFile *file, QString *error, qint64 seek);
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
/**
|
||||
* Returns the file system used at the given path.
|
||||
*/
|
||||
QString fileSystemForPath(const QString &path);
|
||||
#endif
|
||||
|
||||
QByteArray OCSYNC_EXPORT calcMd5(const QString &fileName);
|
||||
QByteArray OCSYNC_EXPORT calcSha1(const QString &fileName);
|
||||
#ifdef ZLIB_FOUND
|
||||
QByteArray OCSYNC_EXPORT calcAdler32(const QString &fileName);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Returns a file name based on \a fn that's suitable for a conflict.
|
||||
*/
|
||||
QString OCSYNC_EXPORT makeConflictFileName(const QString &fn, const QDateTime &dt);
|
||||
|
||||
/**
|
||||
* Returns true when a file is locked. (Windows only)
|
||||
*/
|
||||
bool OCSYNC_EXPORT isFileLocked(const QString &fileName);
|
||||
|
||||
bool OCSYNC_EXPORT isLnkFile(const QString &filename);
|
||||
|
||||
/*
|
||||
* This function takes a path and converts it to a UNC representation of the
|
||||
* string. That means that it prepends a \\?\ (unless already UNC) and converts
|
||||
* all slashes to backslashes.
|
||||
*
|
||||
* Note the following:
|
||||
* - The string must be absolute.
|
||||
* - it needs to contain a drive character to be a valid UNC
|
||||
* - A conversion is only done if the path len is larger than 245. Otherwise
|
||||
* the windows API functions work with the normal "unixoid" representation too.
|
||||
*/
|
||||
template<typename S>
|
||||
S pathtoUNC(const S &str)
|
||||
{
|
||||
int len = 0;
|
||||
S longStr;
|
||||
|
||||
len = str.length();
|
||||
longStr.reserve(len+4);
|
||||
|
||||
// prepend \\?\ and convert '/' => '\' to support long names
|
||||
if( str[0] == '/' || str[0] == '\\' ) {
|
||||
// Don't prepend if already UNC
|
||||
if( !(len > 1 && (str[1] == '/' || str[1] == '\\')) ) {
|
||||
longStr.append("\\\\?");
|
||||
}
|
||||
} else {
|
||||
longStr.append("\\\\?\\"); // prepend string by this four magic chars.
|
||||
}
|
||||
longStr += str;
|
||||
|
||||
/* replace all occurences of / with the windows native \ */
|
||||
|
||||
for (auto it = longStr.begin(); it != longStr.end(); ++it) {
|
||||
if(*it == '/') {
|
||||
*it = '\\';
|
||||
}
|
||||
}
|
||||
return longStr;
|
||||
}
|
||||
}
|
||||
|
||||
/** @} */
|
||||
}
|
|
@ -128,6 +128,11 @@ generate_export_header( ${CSYNC_LIBRARY}
|
|||
target_link_libraries(${CSYNC_LIBRARY} ${CSYNC_LINK_LIBRARIES})
|
||||
#target_link_libraries(${CSYNC_LIBRARY}_static ${CSYNC_LINK_LIBRARIES})
|
||||
|
||||
if(ZLIB_FOUND)
|
||||
target_link_libraries(${CSYNC_LIBRARY} ${ZLIB_LIBRARIES})
|
||||
include_directories(${ZLIB_INCLUDE_DIRS})
|
||||
endif(ZLIB_FOUND)
|
||||
|
||||
find_package(Qt5Core REQUIRED)
|
||||
qt5_use_modules(${CSYNC_LIBRARY} Core)
|
||||
|
||||
|
|
|
@ -390,63 +390,3 @@ int c_parse_uri(const char *uri,
|
|||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* This function takes a path and converts it to a UNC representation of the
|
||||
* string. That means that it prepends a \\?\ (unless already UNC) and converts
|
||||
* all slashes to backslashes.
|
||||
*
|
||||
* Note the following:
|
||||
* - The string must be absolute.
|
||||
* - it needs to contain a drive character to be a valid UNC
|
||||
* - A conversion is only done if the path len is larger than 245. Otherwise
|
||||
* the windows API functions work with the normal "unixoid" representation too.
|
||||
*
|
||||
* This function allocates memory that must be freed by the caller.
|
||||
*/
|
||||
const char *c_path_to_UNC(const char *str)
|
||||
{
|
||||
int len = 0;
|
||||
char *longStr = NULL;
|
||||
|
||||
len = strlen(str);
|
||||
longStr = c_malloc(len+5);
|
||||
*longStr = '\0';
|
||||
|
||||
// prepend \\?\ and convert '/' => '\' to support long names
|
||||
if( str[0] == '/' || str[0] == '\\' ) {
|
||||
// Don't prepend if already UNC
|
||||
if( !(len > 1 && (str[1] == '/' || str[1] == '\\')) ) {
|
||||
strcpy( longStr, "\\\\?");
|
||||
}
|
||||
} else {
|
||||
strcpy( longStr, "\\\\?\\"); // prepend string by this four magic chars.
|
||||
}
|
||||
strncat( longStr, str, len );
|
||||
|
||||
/* replace all occurences of / with the windows native \ */
|
||||
char *c = longStr;
|
||||
for (; *c; ++c) {
|
||||
if(*c == '/') {
|
||||
*c = '\\';
|
||||
}
|
||||
}
|
||||
return longStr;
|
||||
}
|
||||
|
||||
mbchar_t* c_utf8_path_to_locale(const char *str)
|
||||
{
|
||||
if( str == NULL ) {
|
||||
return NULL;
|
||||
} else {
|
||||
#ifdef _WIN32
|
||||
const char *unc_str = c_path_to_UNC(str);
|
||||
mbchar_t *dst = c_utf8_string_to_locale(unc_str);
|
||||
SAFE_FREE(unc_str);
|
||||
return dst;
|
||||
#else
|
||||
return c_utf8_string_to_locale(str);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
|
|
@ -112,34 +112,6 @@ typedef struct
|
|||
char * extension;
|
||||
} C_PATHINFO;
|
||||
|
||||
/**
|
||||
* @brief c_path_to_UNC converts a unixoid path to UNC format.
|
||||
*
|
||||
* It converts the '/' to '\' and prepends \\?\ to the path.
|
||||
*
|
||||
* A proper windows path has to have a drive letter, otherwise it is not
|
||||
* valid UNC.
|
||||
*
|
||||
* @param str The path to convert
|
||||
*
|
||||
* @return a pointer to the converted string. Caller has to free it.
|
||||
*/
|
||||
const char *c_path_to_UNC(const char *str);
|
||||
|
||||
/**
|
||||
* @brief c_utf8_path_to_locale converts a unixoid path to the locale aware format
|
||||
*
|
||||
* On windows, it converts to UNC and multibyte.
|
||||
* On Mac, it converts to the correct utf8 using iconv.
|
||||
* On Linux, it returns utf8
|
||||
*
|
||||
* @param str The path to convert
|
||||
*
|
||||
* @return a pointer to the converted string. Caller has to free it using the
|
||||
* function c_free_locale_string.
|
||||
*/
|
||||
mbchar_t* c_utf8_path_to_locale(const char *str);
|
||||
|
||||
/**
|
||||
* }@
|
||||
*/
|
||||
|
|
|
@ -37,6 +37,7 @@
|
|||
|
||||
#include "c_alloc.h"
|
||||
#include "c_string.h"
|
||||
#include "common/filesystembase.h"
|
||||
|
||||
/* Convert a locale String to UTF8 */
|
||||
QByteArray c_utf8_from_locale(const mbchar_t *wstr)
|
||||
|
@ -99,4 +100,19 @@ mbchar_t* c_utf8_string_to_locale(const char *str)
|
|||
#endif
|
||||
}
|
||||
|
||||
mbchar_t* c_utf8_path_to_locale(const char *str)
|
||||
{
|
||||
if( str == NULL ) {
|
||||
return NULL;
|
||||
} else {
|
||||
#ifdef _WIN32
|
||||
QByteArray unc_str = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(str, strlen(str)));
|
||||
mbchar_t *dst = c_utf8_string_to_locale(unc_str);
|
||||
return dst;
|
||||
#else
|
||||
return c_utf8_string_to_locale(str);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
@ -91,6 +91,20 @@ extern "C" {
|
|||
*/
|
||||
mbchar_t* c_utf8_string_to_locale(const char *wstr);
|
||||
|
||||
/**
|
||||
* @brief c_utf8_path_to_locale converts a unixoid path to the locale aware format
|
||||
*
|
||||
* On windows, it converts to UNC and multibyte.
|
||||
* On Mac, it converts to the correct utf8 using iconv.
|
||||
* On Linux, it returns utf8
|
||||
*
|
||||
* @param str The path to convert
|
||||
*
|
||||
* @return a pointer to the converted string. Caller has to free it using the
|
||||
* function c_free_locale_string.
|
||||
*/
|
||||
mbchar_t* c_utf8_path_to_locale(const char *str);
|
||||
|
||||
/**
|
||||
* @brief Free buffer malloced by c_utf8_to_locale().
|
||||
*
|
||||
|
|
|
@ -115,11 +115,6 @@ if(INOTIFY_FOUND)
|
|||
link_directories(${INOTIFY_LIBRARY_DIR})
|
||||
endif()
|
||||
|
||||
if(ZLIB_FOUND)
|
||||
list(APPEND libsync_LINK_TARGETS ${ZLIB_LIBRARIES})
|
||||
include_directories(${ZLIB_INCLUDE_DIRS})
|
||||
endif(ZLIB_FOUND)
|
||||
|
||||
add_library(${synclib_NAME} SHARED ${libsync_SRCS} ${syncMoc})
|
||||
GENERATE_EXPORT_HEADER( ${synclib_NAME}
|
||||
BASE_NAME ${synclib_NAME}
|
||||
|
|
|
@ -17,21 +17,6 @@
|
|||
#include "common/utility.h"
|
||||
#include <QFile>
|
||||
#include <QFileInfo>
|
||||
#include <QLoggingCategory>
|
||||
#include <QCoreApplication>
|
||||
#include <QCryptographicHash>
|
||||
|
||||
#ifdef ZLIB_FOUND
|
||||
#include <zlib.h>
|
||||
#endif
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
#include <windows.h>
|
||||
#include <windef.h>
|
||||
#include <winbase.h>
|
||||
#include <fcntl.h>
|
||||
#include <io.h>
|
||||
#endif
|
||||
|
||||
// We use some internals of csync:
|
||||
extern "C" int c_utimes(const char *, const struct timeval *);
|
||||
|
@ -44,20 +29,6 @@ extern "C" int c_utimes(const char *, const struct timeval *);
|
|||
|
||||
namespace OCC {
|
||||
|
||||
Q_LOGGING_CATEGORY(lcFileSystem, "sync.filesystem", QtInfoMsg)
|
||||
|
||||
QString FileSystem::longWinPath(const QString &inpath)
|
||||
{
|
||||
#ifdef Q_OS_WIN
|
||||
const char *unc_str = c_path_to_UNC(inpath.toUtf8());
|
||||
QString path = QString::fromUtf8(unc_str);
|
||||
free((void*)unc_str);
|
||||
return path;
|
||||
#else
|
||||
return inpath;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool FileSystem::fileEquals(const QString &fn1, const QString &fn2)
|
||||
{
|
||||
// compare two files with given filename and return true if they have the same content
|
||||
|
@ -91,83 +62,6 @@ bool FileSystem::fileEquals(const QString &fn1, const QString &fn2)
|
|||
return false;
|
||||
}
|
||||
|
||||
void FileSystem::setFileHidden(const QString &filename, bool hidden)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
QString fName = longWinPath(filename);
|
||||
DWORD dwAttrs;
|
||||
|
||||
dwAttrs = GetFileAttributesW((wchar_t *)fName.utf16());
|
||||
|
||||
if (dwAttrs != INVALID_FILE_ATTRIBUTES) {
|
||||
if (hidden && !(dwAttrs & FILE_ATTRIBUTE_HIDDEN)) {
|
||||
SetFileAttributesW((wchar_t *)fName.utf16(), dwAttrs | FILE_ATTRIBUTE_HIDDEN);
|
||||
} else if (!hidden && (dwAttrs & FILE_ATTRIBUTE_HIDDEN)) {
|
||||
SetFileAttributesW((wchar_t *)fName.utf16(), dwAttrs & ~FILE_ATTRIBUTE_HIDDEN);
|
||||
}
|
||||
}
|
||||
#else
|
||||
Q_UNUSED(filename);
|
||||
Q_UNUSED(hidden);
|
||||
#endif
|
||||
}
|
||||
|
||||
static QFile::Permissions getDefaultWritePermissions()
|
||||
{
|
||||
QFile::Permissions result = QFile::WriteUser;
|
||||
#ifndef Q_OS_WIN
|
||||
mode_t mask = umask(0);
|
||||
umask(mask);
|
||||
if (!(mask & S_IWGRP)) {
|
||||
result |= QFile::WriteGroup;
|
||||
}
|
||||
if (!(mask & S_IWOTH)) {
|
||||
result |= QFile::WriteOther;
|
||||
}
|
||||
#endif
|
||||
return result;
|
||||
}
|
||||
|
||||
void FileSystem::setFileReadOnly(const QString &filename, bool readonly)
|
||||
{
|
||||
QFile file(filename);
|
||||
QFile::Permissions permissions = file.permissions();
|
||||
|
||||
QFile::Permissions allWritePermissions =
|
||||
QFile::WriteUser | QFile::WriteGroup | QFile::WriteOther | QFile::WriteOwner;
|
||||
static QFile::Permissions defaultWritePermissions = getDefaultWritePermissions();
|
||||
|
||||
permissions &= ~allWritePermissions;
|
||||
if (!readonly) {
|
||||
permissions |= defaultWritePermissions;
|
||||
}
|
||||
file.setPermissions(permissions);
|
||||
}
|
||||
|
||||
void FileSystem::setFolderMinimumPermissions(const QString &filename)
|
||||
{
|
||||
#ifdef Q_OS_MAC
|
||||
QFile::Permissions perm = QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner;
|
||||
QFile file(filename);
|
||||
file.setPermissions(perm);
|
||||
#else
|
||||
Q_UNUSED(filename);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void FileSystem::setFileReadOnlyWeak(const QString &filename, bool readonly)
|
||||
{
|
||||
QFile file(filename);
|
||||
QFile::Permissions permissions = file.permissions();
|
||||
|
||||
if (!readonly && (permissions & QFile::WriteOwner)) {
|
||||
return; // already writable enough
|
||||
}
|
||||
|
||||
setFileReadOnly(filename, readonly);
|
||||
}
|
||||
|
||||
time_t FileSystem::getModTime(const QString &filename)
|
||||
{
|
||||
csync_file_stat_t stat;
|
||||
|
@ -197,57 +91,6 @@ bool FileSystem::setModTime(const QString &filename, time_t modTime)
|
|||
return true;
|
||||
}
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
static bool isLnkFile(const QString &filename)
|
||||
{
|
||||
return filename.endsWith(".lnk");
|
||||
}
|
||||
#endif
|
||||
|
||||
bool FileSystem::rename(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString)
|
||||
{
|
||||
bool success = false;
|
||||
QString error;
|
||||
#ifdef Q_OS_WIN
|
||||
QString orig = longWinPath(originFileName);
|
||||
QString dest = longWinPath(destinationFileName);
|
||||
|
||||
if (isLnkFile(originFileName) || isLnkFile(destinationFileName)) {
|
||||
success = MoveFileEx((wchar_t *)orig.utf16(),
|
||||
(wchar_t *)dest.utf16(),
|
||||
MOVEFILE_COPY_ALLOWED | MOVEFILE_WRITE_THROUGH);
|
||||
if (!success) {
|
||||
wchar_t *string = 0;
|
||||
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
|
||||
NULL, ::GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
||||
(LPWSTR)&string, 0, NULL);
|
||||
|
||||
error = QString::fromWCharArray(string);
|
||||
LocalFree((HLOCAL)string);
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
QFile orig(originFileName);
|
||||
success = orig.rename(destinationFileName);
|
||||
if (!success) {
|
||||
error = orig.errorString();
|
||||
}
|
||||
}
|
||||
|
||||
if (!success) {
|
||||
qCWarning(lcFileSystem) << "Error renaming file" << originFileName
|
||||
<< "to" << destinationFileName
|
||||
<< "failed: " << error;
|
||||
if (errorString) {
|
||||
*errorString = error;
|
||||
}
|
||||
}
|
||||
return success;
|
||||
}
|
||||
|
||||
bool FileSystem::fileChanged(const QString &fileName,
|
||||
qint64 previousSize,
|
||||
time_t previousMtime)
|
||||
|
@ -271,151 +114,6 @@ bool FileSystem::verifyFileUnchanged(const QString &fileName,
|
|||
return true;
|
||||
}
|
||||
|
||||
bool FileSystem::renameReplace(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
qint64 destinationSize,
|
||||
time_t destinationMtime,
|
||||
QString *errorString)
|
||||
{
|
||||
if (fileExists(destinationFileName)
|
||||
&& fileChanged(destinationFileName, destinationSize, destinationMtime)) {
|
||||
if (errorString) {
|
||||
*errorString = qApp->translate("FileSystem",
|
||||
"The destination file has an unexpected size or modification time");
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
return uncheckedRenameReplace(originFileName, destinationFileName, errorString);
|
||||
}
|
||||
|
||||
bool FileSystem::uncheckedRenameReplace(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString)
|
||||
{
|
||||
#ifndef Q_OS_WIN
|
||||
bool success;
|
||||
QFile orig(originFileName);
|
||||
// We want a rename that also overwites. QFile::rename does not overwite.
|
||||
// Qt 5.1 has QSaveFile::renameOverwrite we could use.
|
||||
// ### FIXME
|
||||
success = true;
|
||||
bool destExists = fileExists(destinationFileName);
|
||||
if (destExists && !QFile::remove(destinationFileName)) {
|
||||
*errorString = orig.errorString();
|
||||
qCWarning(lcFileSystem) << "Target file could not be removed.";
|
||||
success = false;
|
||||
}
|
||||
if (success) {
|
||||
success = orig.rename(destinationFileName);
|
||||
}
|
||||
if (!success) {
|
||||
*errorString = orig.errorString();
|
||||
qCWarning(lcFileSystem) << "Renaming temp file to final failed: " << *errorString;
|
||||
return false;
|
||||
}
|
||||
|
||||
#else //Q_OS_WIN
|
||||
// You can not overwrite a read-only file on windows.
|
||||
if (!QFileInfo(destinationFileName).isWritable()) {
|
||||
setFileReadOnly(destinationFileName, false);
|
||||
}
|
||||
|
||||
BOOL ok;
|
||||
QString orig = longWinPath(originFileName);
|
||||
QString dest = longWinPath(destinationFileName);
|
||||
|
||||
ok = MoveFileEx((wchar_t *)orig.utf16(),
|
||||
(wchar_t *)dest.utf16(),
|
||||
MOVEFILE_REPLACE_EXISTING + MOVEFILE_COPY_ALLOWED + MOVEFILE_WRITE_THROUGH);
|
||||
if (!ok) {
|
||||
wchar_t *string = 0;
|
||||
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
|
||||
NULL, ::GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
||||
(LPWSTR)&string, 0, NULL);
|
||||
|
||||
*errorString = QString::fromWCharArray(string);
|
||||
qCWarning(lcFileSystem) << "Renaming temp file to final failed: " << *errorString;
|
||||
LocalFree((HLOCAL)string);
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
return true;
|
||||
}
|
||||
|
||||
bool FileSystem::openAndSeekFileSharedRead(QFile *file, QString *errorOrNull, qint64 seek)
|
||||
{
|
||||
QString errorDummy;
|
||||
// avoid many if (errorOrNull) later.
|
||||
QString &error = errorOrNull ? *errorOrNull : errorDummy;
|
||||
error.clear();
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
//
|
||||
// The following code is adapted from Qt's QFSFileEnginePrivate::nativeOpen()
|
||||
// by including the FILE_SHARE_DELETE share mode.
|
||||
//
|
||||
|
||||
// Enable full sharing.
|
||||
DWORD shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
|
||||
|
||||
int accessRights = GENERIC_READ;
|
||||
DWORD creationDisp = OPEN_EXISTING;
|
||||
|
||||
// Create the file handle.
|
||||
SECURITY_ATTRIBUTES securityAtts = { sizeof(SECURITY_ATTRIBUTES), NULL, FALSE };
|
||||
QString fName = longWinPath(file->fileName());
|
||||
|
||||
HANDLE fileHandle = CreateFileW(
|
||||
(const wchar_t *)fName.utf16(),
|
||||
accessRights,
|
||||
shareMode,
|
||||
&securityAtts,
|
||||
creationDisp,
|
||||
FILE_ATTRIBUTE_NORMAL,
|
||||
NULL);
|
||||
|
||||
// Bail out on error.
|
||||
if (fileHandle == INVALID_HANDLE_VALUE) {
|
||||
error = qt_error_string();
|
||||
return false;
|
||||
}
|
||||
|
||||
// Convert the HANDLE to an fd and pass it to QFile's foreign-open
|
||||
// function. The fd owns the handle, so when QFile later closes
|
||||
// the fd the handle will be closed too.
|
||||
int fd = _open_osfhandle((intptr_t)fileHandle, _O_RDONLY);
|
||||
if (fd == -1) {
|
||||
error = "could not make fd from handle";
|
||||
return false;
|
||||
}
|
||||
if (!file->open(fd, QIODevice::ReadOnly, QFile::AutoCloseHandle)) {
|
||||
error = file->errorString();
|
||||
return false;
|
||||
}
|
||||
|
||||
// Seek to the right spot
|
||||
LARGE_INTEGER *li = reinterpret_cast<LARGE_INTEGER *>(&seek);
|
||||
DWORD newFilePointer = SetFilePointer(fileHandle, li->LowPart, &li->HighPart, FILE_BEGIN);
|
||||
if (newFilePointer == 0xFFFFFFFF && GetLastError() != NO_ERROR) {
|
||||
error = qt_error_string();
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
#else
|
||||
if (!file->open(QFile::ReadOnly)) {
|
||||
error = file->errorString();
|
||||
return false;
|
||||
}
|
||||
if (!file->seek(seek)) {
|
||||
error = file->errorString();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
static qint64 getSizeWithCsync(const QString &filename)
|
||||
{
|
||||
|
@ -441,190 +139,5 @@ qint64 FileSystem::getSize(const QString &filename)
|
|||
return QFileInfo(filename).size();
|
||||
}
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
static bool fileExistsWin(const QString &filename)
|
||||
{
|
||||
WIN32_FIND_DATA FindFileData;
|
||||
HANDLE hFind;
|
||||
QString fName = FileSystem::longWinPath(filename);
|
||||
|
||||
hFind = FindFirstFileW((wchar_t *)fName.utf16(), &FindFileData);
|
||||
if (hFind == INVALID_HANDLE_VALUE) {
|
||||
return false;
|
||||
}
|
||||
FindClose(hFind);
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
bool FileSystem::fileExists(const QString &filename, const QFileInfo &fileInfo)
|
||||
{
|
||||
#ifdef Q_OS_WIN
|
||||
if (isLnkFile(filename)) {
|
||||
// Use a native check.
|
||||
return fileExistsWin(filename);
|
||||
}
|
||||
#endif
|
||||
bool re = fileInfo.exists();
|
||||
// if the filename is different from the filename in fileInfo, the fileInfo is
|
||||
// not valid. There needs to be one initialised here. Otherwise the incoming
|
||||
// fileInfo is re-used.
|
||||
if (fileInfo.filePath() != filename) {
|
||||
QFileInfo myFI(filename);
|
||||
re = myFI.exists();
|
||||
}
|
||||
return re;
|
||||
}
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
QString FileSystem::fileSystemForPath(const QString &path)
|
||||
{
|
||||
// See also QStorageInfo (Qt >=5.4) and GetVolumeInformationByHandleW (>= Vista)
|
||||
QString drive = path.left(2);
|
||||
if (!drive.endsWith(":"))
|
||||
return QString();
|
||||
drive.append('\\');
|
||||
|
||||
const size_t fileSystemBufferSize = 4096;
|
||||
TCHAR fileSystemBuffer[fileSystemBufferSize];
|
||||
|
||||
if (!GetVolumeInformationW(
|
||||
reinterpret_cast<LPCWSTR>(drive.utf16()),
|
||||
NULL, 0,
|
||||
NULL, NULL, NULL,
|
||||
fileSystemBuffer, fileSystemBufferSize)) {
|
||||
return QString();
|
||||
}
|
||||
return QString::fromUtf16(reinterpret_cast<const ushort *>(fileSystemBuffer));
|
||||
}
|
||||
#endif
|
||||
|
||||
#define BUFSIZE qint64(500 * 1024) // 500 KiB
|
||||
|
||||
static QByteArray readToCrypto(const QString &filename, QCryptographicHash::Algorithm algo)
|
||||
{
|
||||
QFile file(filename);
|
||||
const qint64 bufSize = qMin(BUFSIZE, file.size() + 1);
|
||||
QByteArray buf(bufSize, Qt::Uninitialized);
|
||||
QByteArray arr;
|
||||
QCryptographicHash crypto(algo);
|
||||
|
||||
if (file.open(QIODevice::ReadOnly)) {
|
||||
qint64 size;
|
||||
while (!file.atEnd()) {
|
||||
size = file.read(buf.data(), bufSize);
|
||||
if (size > 0) {
|
||||
crypto.addData(buf.data(), size);
|
||||
}
|
||||
}
|
||||
arr = crypto.result().toHex();
|
||||
}
|
||||
return arr;
|
||||
}
|
||||
|
||||
QByteArray FileSystem::calcMd5(const QString &filename)
|
||||
{
|
||||
return readToCrypto(filename, QCryptographicHash::Md5);
|
||||
}
|
||||
|
||||
QByteArray FileSystem::calcSha1(const QString &filename)
|
||||
{
|
||||
return readToCrypto(filename, QCryptographicHash::Sha1);
|
||||
}
|
||||
|
||||
#ifdef ZLIB_FOUND
|
||||
QByteArray FileSystem::calcAdler32(const QString &filename)
|
||||
{
|
||||
QFile file(filename);
|
||||
const qint64 bufSize = qMin(BUFSIZE, file.size() + 1);
|
||||
QByteArray buf(bufSize, Qt::Uninitialized);
|
||||
|
||||
unsigned int adler = adler32(0L, Z_NULL, 0);
|
||||
if (file.open(QIODevice::ReadOnly)) {
|
||||
qint64 size;
|
||||
while (!file.atEnd()) {
|
||||
size = file.read(buf.data(), bufSize);
|
||||
if (size > 0)
|
||||
adler = adler32(adler, (const Bytef *)buf.data(), size);
|
||||
}
|
||||
}
|
||||
|
||||
return QByteArray::number(adler, 16);
|
||||
}
|
||||
#endif
|
||||
|
||||
QString FileSystem::makeConflictFileName(const QString &fn, const QDateTime &dt)
|
||||
{
|
||||
QString conflictFileName(fn);
|
||||
// Add _conflict-XXXX before the extension.
|
||||
int dotLocation = conflictFileName.lastIndexOf('.');
|
||||
// If no extension, add it at the end (take care of cases like foo/.hidden or foo.bar/file)
|
||||
if (dotLocation <= conflictFileName.lastIndexOf('/') + 1) {
|
||||
dotLocation = conflictFileName.size();
|
||||
}
|
||||
QString timeString = dt.toString("yyyyMMdd-hhmmss");
|
||||
|
||||
// Additional marker
|
||||
QByteArray conflictFileUserName = qgetenv("CSYNC_CONFLICT_FILE_USERNAME");
|
||||
if (conflictFileUserName.isEmpty())
|
||||
conflictFileName.insert(dotLocation, "_conflict-" + timeString);
|
||||
else
|
||||
conflictFileName.insert(dotLocation, "_conflict_" + QString::fromUtf8(conflictFileUserName) + "-" + timeString);
|
||||
|
||||
return conflictFileName;
|
||||
}
|
||||
|
||||
bool FileSystem::remove(const QString &fileName, QString *errorString)
|
||||
{
|
||||
#ifdef Q_OS_WIN
|
||||
// You cannot delete a read-only file on windows, but we want to
|
||||
// allow that.
|
||||
if (!QFileInfo(fileName).isWritable()) {
|
||||
setFileReadOnly(fileName, false);
|
||||
}
|
||||
#endif
|
||||
QFile f(fileName);
|
||||
if (!f.remove()) {
|
||||
if (errorString) {
|
||||
*errorString = f.errorString();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool FileSystem::isFileLocked(const QString &fileName)
|
||||
{
|
||||
#ifdef Q_OS_WIN
|
||||
mbchar_t *wuri = c_utf8_path_to_locale(fileName.toUtf8());
|
||||
|
||||
// Check if file exists
|
||||
DWORD attr = GetFileAttributesW(wuri);
|
||||
if (attr != INVALID_FILE_ATTRIBUTES) {
|
||||
// Try to open the file with as much access as possible..
|
||||
HANDLE win_h = CreateFileW(
|
||||
wuri,
|
||||
GENERIC_READ | GENERIC_WRITE,
|
||||
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
||||
NULL, OPEN_EXISTING,
|
||||
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS,
|
||||
NULL);
|
||||
|
||||
c_free_locale_string(wuri);
|
||||
if (win_h == INVALID_HANDLE_VALUE) {
|
||||
/* could not be opened, so locked? */
|
||||
/* 32 == ERROR_SHARING_VIOLATION */
|
||||
return true;
|
||||
} else {
|
||||
CloseHandle(win_h);
|
||||
}
|
||||
} else {
|
||||
c_free_locale_string(wuri);
|
||||
}
|
||||
#else
|
||||
Q_UNUSED(fileName);
|
||||
#endif
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace OCC
|
||||
|
|
|
@ -18,13 +18,12 @@
|
|||
|
||||
#include <QString>
|
||||
#include <ctime>
|
||||
#include <QCryptographicHash>
|
||||
#include <QFileInfo>
|
||||
|
||||
#include <owncloudlib.h>
|
||||
// Chain in the base include and extend the namespace
|
||||
#include "common/filesystembase.h"
|
||||
|
||||
class QFile;
|
||||
class QFileInfo;
|
||||
|
||||
namespace OCC {
|
||||
|
||||
|
@ -43,39 +42,6 @@ namespace FileSystem {
|
|||
*/
|
||||
bool fileEquals(const QString &fn1, const QString &fn2);
|
||||
|
||||
/**
|
||||
* @brief Mark the file as hidden (only has effects on windows)
|
||||
*/
|
||||
void OWNCLOUDSYNC_EXPORT setFileHidden(const QString &filename, bool hidden);
|
||||
|
||||
/**
|
||||
* @brief Marks the file as read-only.
|
||||
*
|
||||
* On linux this either revokes all 'w' permissions or restores permissions
|
||||
* according to the umask.
|
||||
*/
|
||||
void OWNCLOUDSYNC_EXPORT setFileReadOnly(const QString &filename, bool readonly);
|
||||
|
||||
/**
|
||||
* @brief Marks the file as read-only.
|
||||
*
|
||||
* It's like setFileReadOnly(), but weaker: if readonly is false and the user
|
||||
* already has write permissions, no change to the permissions is made.
|
||||
*
|
||||
* This means that it will preserve explicitly set rw-r--r-- permissions even
|
||||
* when the umask is 0002. (setFileReadOnly() would adjust to rw-rw-r--)
|
||||
*/
|
||||
void OWNCLOUDSYNC_EXPORT setFileReadOnlyWeak(const QString &filename, bool readonly);
|
||||
|
||||
/**
|
||||
* @brief Try to set permissions so that other users on the local machine can not
|
||||
* go into the folder.
|
||||
*/
|
||||
void OWNCLOUDSYNC_EXPORT setFolderMinimumPermissions(const QString &filename);
|
||||
|
||||
/** convert a "normal" windows path into a path that can be 32k chars long. */
|
||||
QString OWNCLOUDSYNC_EXPORT longWinPath(const QString &inpath);
|
||||
|
||||
/**
|
||||
* @brief Get the mtime for a filepath
|
||||
*
|
||||
|
@ -94,23 +60,6 @@ namespace FileSystem {
|
|||
*/
|
||||
qint64 OWNCLOUDSYNC_EXPORT getSize(const QString &filename);
|
||||
|
||||
/**
|
||||
* @brief Checks whether a file exists.
|
||||
*
|
||||
* Use this over QFileInfo::exists() and QFile::exists() to avoid bugs with lnk
|
||||
* files, see above.
|
||||
*/
|
||||
bool OWNCLOUDSYNC_EXPORT fileExists(const QString &filename, const QFileInfo & = QFileInfo());
|
||||
|
||||
/**
|
||||
* @brief Rename the file \a originFileName to \a destinationFileName.
|
||||
*
|
||||
* It behaves as QFile::rename() but handles .lnk files correctly on Windows.
|
||||
*/
|
||||
bool OWNCLOUDSYNC_EXPORT rename(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString = NULL);
|
||||
|
||||
/**
|
||||
* @brief Check if \a fileName has changed given previous size and mtime
|
||||
*
|
||||
|
@ -128,71 +77,6 @@ namespace FileSystem {
|
|||
bool verifyFileUnchanged(const QString &fileName,
|
||||
qint64 previousSize,
|
||||
time_t previousMtime);
|
||||
|
||||
/**
|
||||
* @brief renames a file, overriding the target if it exists
|
||||
*
|
||||
* Rename the file \a originFileName to \a destinationFileName, and
|
||||
* overwrite the destination if it already exists - as long as the
|
||||
* destination file has the expected \a destinationSize and
|
||||
* \a destinationMtime.
|
||||
*
|
||||
* If the destination file does not exist, the given size and mtime are
|
||||
* ignored.
|
||||
*/
|
||||
bool renameReplace(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
qint64 destinationSize,
|
||||
time_t destinationMtime,
|
||||
QString *errorString);
|
||||
|
||||
/**
|
||||
* Rename the file \a originFileName to \a destinationFileName, and
|
||||
* overwrite the destination if it already exists - without extra checks.
|
||||
*/
|
||||
bool uncheckedRenameReplace(const QString &originFileName,
|
||||
const QString &destinationFileName,
|
||||
QString *errorString);
|
||||
|
||||
/**
|
||||
* Removes a file.
|
||||
*
|
||||
* Equivalent to QFile::remove(), except on Windows, where it will also
|
||||
* successfully remove read-only files.
|
||||
*/
|
||||
bool OWNCLOUDSYNC_EXPORT remove(const QString &fileName, QString *errorString = 0);
|
||||
|
||||
/**
|
||||
* Replacement for QFile::open(ReadOnly) followed by a seek().
|
||||
* This version sets a more permissive sharing mode on Windows.
|
||||
*
|
||||
* Warning: The resulting file may have an empty fileName and be unsuitable for use
|
||||
* with QFileInfo! Calling seek() on the QFile with >32bit signed values will fail!
|
||||
*/
|
||||
bool openAndSeekFileSharedRead(QFile *file, QString *error, qint64 seek);
|
||||
|
||||
#ifdef Q_OS_WIN
|
||||
/**
|
||||
* Returns the file system used at the given path.
|
||||
*/
|
||||
QString fileSystemForPath(const QString &path);
|
||||
#endif
|
||||
|
||||
QByteArray OWNCLOUDSYNC_EXPORT calcMd5(const QString &fileName);
|
||||
QByteArray OWNCLOUDSYNC_EXPORT calcSha1(const QString &fileName);
|
||||
#ifdef ZLIB_FOUND
|
||||
QByteArray OWNCLOUDSYNC_EXPORT calcAdler32(const QString &fileName);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Returns a file name based on \a fn that's suitable for a conflict.
|
||||
*/
|
||||
QString OWNCLOUDSYNC_EXPORT makeConflictFileName(const QString &fn, const QDateTime &dt);
|
||||
|
||||
/**
|
||||
* Returns true when a file is locked. (Windows only)
|
||||
*/
|
||||
bool OWNCLOUDSYNC_EXPORT isFileLocked(const QString &fileName);
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
|
|
@ -12,6 +12,7 @@
|
|||
* for more details.
|
||||
*/
|
||||
|
||||
#include <QCryptographicHash>
|
||||
#include <QFile>
|
||||
#include <QLoggingCategory>
|
||||
#include <QStringList>
|
||||
|
|
|
@ -21,6 +21,8 @@
|
|||
#include "c_string.h"
|
||||
#include "c_path.h"
|
||||
#include "c_utf8.h"
|
||||
#include "common/filesystembase.h"
|
||||
#include "torture.h"
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <string.h>
|
||||
|
@ -116,41 +118,36 @@ static void check_long_win_path(void **state)
|
|||
{
|
||||
const char *path = "C://DATA/FILES/MUSIC/MY_MUSIC.mp3"; // check a short path
|
||||
const char *exp_path = "\\\\?\\C:\\\\DATA\\FILES\\MUSIC\\MY_MUSIC.mp3";
|
||||
const char *new_short = c_path_to_UNC(path);
|
||||
QByteArray new_short = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(path, strlen(path)));
|
||||
assert_string_equal(new_short, exp_path);
|
||||
SAFE_FREE(new_short);
|
||||
}
|
||||
|
||||
{
|
||||
const char *path = "\\\\foo\\bar/MY_MUSIC.mp3";
|
||||
const char *exp_path = "\\\\foo\\bar\\MY_MUSIC.mp3";
|
||||
const char *new_short = c_path_to_UNC(path);
|
||||
QByteArray new_short = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(path, strlen(path)));
|
||||
assert_string_equal(new_short, exp_path);
|
||||
SAFE_FREE(new_short);
|
||||
}
|
||||
|
||||
{
|
||||
const char *path = "//foo\\bar/MY_MUSIC.mp3";
|
||||
const char *exp_path = "\\\\foo\\bar\\MY_MUSIC.mp3";
|
||||
const char *new_short = c_path_to_UNC(path);
|
||||
QByteArray new_short = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(path, strlen(path)));
|
||||
assert_string_equal(new_short, exp_path);
|
||||
SAFE_FREE(new_short);
|
||||
}
|
||||
|
||||
{
|
||||
const char *path = "\\foo\\bar";
|
||||
const char *exp_path = "\\\\?\\foo\\bar";
|
||||
const char *new_short = c_path_to_UNC(path);
|
||||
QByteArray new_short = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(path, strlen(path)));
|
||||
assert_string_equal(new_short, exp_path);
|
||||
SAFE_FREE(new_short);
|
||||
}
|
||||
|
||||
{
|
||||
const char *path = "/foo/bar";
|
||||
const char *exp_path = "\\\\?\\foo\\bar";
|
||||
const char *new_short = c_path_to_UNC(path);
|
||||
QByteArray new_short = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(path, strlen(path)));
|
||||
assert_string_equal(new_short, exp_path);
|
||||
SAFE_FREE(new_short);
|
||||
}
|
||||
|
||||
const char *longPath = "D://alonglonglonglong/blonglonglonglong/clonglonglonglong/dlonglonglonglong/"
|
||||
|
@ -162,14 +159,13 @@ static void check_long_win_path(void **state)
|
|||
"jlonglonglonglong\\klonglonglonglong\\llonglonglonglong\\mlonglonglonglong\\nlonglonglonglong\\"
|
||||
"olonglonglonglong\\file.txt";
|
||||
|
||||
const char *new_long = c_path_to_UNC(longPath);
|
||||
QByteArray new_long = OCC::FileSystem::pathtoUNC(QByteArray::fromRawData(longPath, strlen(longPath)));
|
||||
// printf( "XXXXXXXXXXXX %s %d\n", new_long, mem_reserved);
|
||||
|
||||
assert_string_equal(new_long, longPathConv);
|
||||
|
||||
// printf( "YYYYYYYYYYYY %ld\n", strlen(new_long));
|
||||
assert_int_equal( strlen(new_long), 286);
|
||||
SAFE_FREE(new_long);
|
||||
}
|
||||
|
||||
int torture_run_tests(void)
|
||||
|
|
Loading…
Reference in a new issue