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1166 lines
41 KiB
1166 lines
41 KiB
/* This file is part of the TDE project
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Copyright (C) 2004 David Faure <faure@kde.org>
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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 Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "trashimpl.h"
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#include "discspaceutil.h"
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#include "trash_constant.h"
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#include <tdelocale.h>
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#include <klargefile.h>
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#include <tdeio/renamedlg.h>
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#include <tdeio/job.h>
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#include <kdebug.h>
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#include <kurl.h>
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#include <kdirnotify_stub.h>
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#include <tdeglobal.h>
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#include <kstandarddirs.h>
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#include <tdeglobalsettings.h>
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#include <kmountpoint.h>
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#include <tdemessagebox.h>
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#include <tdefileitem.h>
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#include <tdeio/chmodjob.h>
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#include <tqapplication.h>
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#include <tqeventloop.h>
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#include <tqfile.h>
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#include <tqdir.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include <errno.h>
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TrashImpl::TrashImpl() :
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TQObject(),
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m_lastErrorCode( 0 ),
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m_initStatus( InitToBeDone ),
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m_lastId( 0 ),
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m_homeDevice( 0 ),
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m_trashDirectoriesScanned( false ),
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m_mibEnum( TDEGlobal::locale()->fileEncodingMib() ),
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// not using tdeio_trashrc since TDEIO uses that one already for tdeio_trash
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// so better have a separate one, for faster parsing by e.g. kmimetype.cpp
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m_config( "trashrc" )
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{
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KDE_struct_stat buff;
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if ( KDE_lstat( TQFile::encodeName( TQDir::homeDirPath() ), &buff ) == 0 ) {
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m_homeDevice = buff.st_dev;
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} else {
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kdError() << "Should never happen: couldn't stat $HOME " << strerror( errno ) << endl;
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}
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}
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/**
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* Test if a directory exists, create otherwise
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* @param _name full path of the directory
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* @return errorcode, or 0 if the dir was created or existed already
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* Warning, don't use return value like a bool
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*/
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int TrashImpl::testDir( const TQString &_name ) const
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{
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DIR *dp = opendir( TQFile::encodeName(_name) );
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if ( dp == NULL )
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{
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TQString name = _name;
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if ( name.endsWith( "/" ) )
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name.truncate( name.length() - 1 );
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TQCString path = TQFile::encodeName(name);
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bool ok = ::mkdir( path, S_IRWXU ) == 0;
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if ( !ok && errno == EEXIST ) {
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#if 0 // this would require to use SlaveBase's method to ask the question
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//int ret = KMessageBox::warningYesNo( 0, i18n("%1 is a file, but TDE needs it to be a directory. Move it to %2.orig and create directory?").arg(name).arg(name) );
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//if ( ret == KMessageBox::Yes ) {
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#endif
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if ( ::rename( path, path + ".orig" ) == 0 ) {
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ok = ::mkdir( path, S_IRWXU ) == 0;
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} else { // foo.orig existed already. How likely is that?
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ok = false;
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}
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if ( !ok ) {
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return TDEIO::ERR_DIR_ALREADY_EXIST;
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}
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#if 0
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//} else {
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// return 0;
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//}
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#endif
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}
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if ( !ok )
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{
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//KMessageBox::sorry( 0, i18n( "Couldn't create directory %1. Check for permissions." ).arg( name ) );
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kdWarning() << "could not create " << name << endl;
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return TDEIO::ERR_COULD_NOT_MKDIR;
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} else {
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kdDebug() << name << " created." << endl;
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}
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}
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else // exists already
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{
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closedir( dp );
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}
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return 0; // success
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}
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bool TrashImpl::init()
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{
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if ( m_initStatus == InitOK )
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return true;
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if ( m_initStatus == InitError )
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return false;
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// Check the trash directory and its info and files subdirs
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// see also kdesktop/init.cpp for first time initialization
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m_initStatus = InitError;
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// $XDG_DATA_HOME/Trash, i.e. ~/.local/share/Trash by default.
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const TQString xdgDataDir = TDEGlobal::dirs()->localxdgdatadir();
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if ( !TDEStandardDirs::makeDir( xdgDataDir, 0700 ) ) {
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kdWarning() << "failed to create " << xdgDataDir << endl;
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return false;
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}
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const TQString trashDir = xdgDataDir + "Trash";
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int err;
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if ( ( err = testDir( trashDir ) ) ) {
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error( err, trashDir );
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return false;
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}
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if ( ( err = testDir( trashDir + "/info" ) ) ) {
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error( err, trashDir + "/info" );
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return false;
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}
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if ( ( err = testDir( trashDir + "/files" ) ) ) {
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error( err, trashDir + "/files" );
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return false;
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}
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m_trashDirectories.insert( 0, trashDir );
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m_initStatus = InitOK;
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kdDebug() << k_funcinfo << "initialization OK, home trash dir: " << trashDir << endl;
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return true;
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}
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void TrashImpl::migrateOldTrash()
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{
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kdDebug() << k_funcinfo << endl;
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const TQString oldTrashDir = TDEGlobalSettings::trashPath();
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const TQStrList entries = listDir( oldTrashDir );
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bool allOK = true;
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TQStrListIterator entryIt( entries );
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for (; entryIt.current(); ++entryIt) {
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TQString srcPath = TQFile::decodeName( *entryIt );
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if ( srcPath == "." || srcPath == ".." || srcPath == ".directory" )
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continue;
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srcPath.prepend( oldTrashDir ); // make absolute
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int trashId;
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TQString fileId;
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if ( !createInfo( srcPath, trashId, fileId ) ) {
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kdWarning() << "Trash migration: failed to create info for " << srcPath << endl;
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allOK = false;
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} else {
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bool ok = moveToTrash( srcPath, trashId, fileId );
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if ( !ok ) {
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(void)deleteInfo( trashId, fileId );
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kdWarning() << "Trash migration: failed to create info for " << srcPath << endl;
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allOK = false;
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} else {
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kdDebug() << "Trash migration: moved " << srcPath << endl;
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}
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}
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}
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if ( allOK ) {
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// We need to remove the old one, otherwise the desktop will have two trashcans...
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kdDebug() << "Trash migration: all OK, removing old trash directory" << endl;
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synchronousDel( oldTrashDir, false, true );
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}
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}
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bool TrashImpl::createInfo( const TQString& origPath, int& trashId, TQString& fileId )
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{
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kdDebug() << k_funcinfo << origPath << endl;
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// Check source
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const TQCString origPath_c( TQFile::encodeName( origPath ) );
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KDE_struct_stat buff_src;
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if ( KDE_lstat( origPath_c.data(), &buff_src ) == -1 ) {
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if ( errno == EACCES )
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error( TDEIO::ERR_ACCESS_DENIED, origPath );
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else
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error( TDEIO::ERR_DOES_NOT_EXIST, origPath );
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return false;
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}
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// Choose destination trash
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trashId = findTrashDirectory( origPath );
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if ( trashId < 0 ) {
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kdWarning() << "OUCH - internal error, TrashImpl::findTrashDirectory returned " << trashId << endl;
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return false; // ### error() needed?
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}
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kdDebug() << k_funcinfo << "trashing to " << trashId << endl;
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// Grab original filename
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KURL url;
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url.setPath( origPath );
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const TQString origFileName = url.fileName();
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// Make destination file in info/
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url.setPath( infoPath( trashId, origFileName ) ); // we first try with origFileName
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KURL baseDirectory;
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baseDirectory.setPath( url.directory() );
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// Here we need to use O_EXCL to avoid race conditions with other tdeioslave processes
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int fd = 0;
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do {
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kdDebug() << k_funcinfo << "trying to create " << url.path() << endl;
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fd = ::open( TQFile::encodeName( url.path() ), O_WRONLY | O_CREAT | O_EXCL, 0600 );
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if ( fd < 0 ) {
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if ( errno == EEXIST ) {
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url.setFileName( TDEIO::RenameDlg::suggestName( baseDirectory, url.fileName() ) );
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// and try again on the next iteration
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} else {
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error( TDEIO::ERR_COULD_NOT_WRITE, url.path() );
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return false;
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}
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}
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} while ( fd < 0 );
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const TQString infoPath = url.path();
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fileId = url.fileName();
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Q_ASSERT( fileId.endsWith( ".trashinfo" ) );
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fileId.truncate( fileId.length() - 10 ); // remove .trashinfo from fileId
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FILE* file = ::fdopen( fd, "w" );
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if ( !file ) { // can't see how this would happen
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error( TDEIO::ERR_COULD_NOT_WRITE, infoPath );
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return false;
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}
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// Contents of the info file. We could use KSimpleConfig, but that would
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// mean closing and reopening fd, i.e. opening a race condition...
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TQCString info = "[Trash Info]\n";
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info += "Path=";
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// Escape filenames according to the way they are encoded on the filesystem
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// All this to basically get back to the raw 8-bit representation of the filename...
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if ( trashId == 0 ) // home trash: absolute path
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info += KURL::encode_string( origPath, m_mibEnum ).latin1();
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else
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info += KURL::encode_string( makeRelativePath( topDirectoryPath( trashId ), origPath ), m_mibEnum ).latin1();
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info += "\n";
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info += "DeletionDate=";
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info += TQDateTime::currentDateTime().toString( TQt::ISODate ).latin1();
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info += "\n";
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size_t sz = info.size() - 1; // avoid trailing 0 from QCString
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size_t written = ::fwrite(info.data(), 1, sz, file);
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if ( written != sz ) {
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::fclose( file );
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TQFile::remove( infoPath );
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error( TDEIO::ERR_DISK_FULL, infoPath );
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return false;
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}
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::fclose( file );
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kdDebug() << k_funcinfo << "info file created in trashId=" << trashId << " : " << fileId << endl;
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return true;
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}
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TQString TrashImpl::makeRelativePath( const TQString& topdir, const TQString& path )
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{
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const TQString realPath = TDEStandardDirs::realFilePath( path );
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// topdir ends with '/'
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if ( realPath.startsWith( topdir ) ) {
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const TQString rel = realPath.mid( topdir.length() );
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Q_ASSERT( rel[0] != '/' );
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return rel;
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} else { // shouldn't happen...
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kdWarning() << "Couldn't make relative path for " << realPath << " (" << path << "), with topdir=" << topdir << endl;
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return realPath;
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}
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}
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TQString TrashImpl::infoPath( int trashId, const TQString& fileId ) const
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{
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TQString trashPath = trashDirectoryPath( trashId );
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trashPath += "/info/";
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trashPath += fileId;
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trashPath += ".trashinfo";
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return trashPath;
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}
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TQString TrashImpl::filesPath( int trashId, const TQString& fileId ) const
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{
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TQString trashPath = trashDirectoryPath( trashId );
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trashPath += "/files/";
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trashPath += fileId;
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return trashPath;
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}
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bool TrashImpl::deleteInfo( int trashId, const TQString& fileId )
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{
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bool ok = TQFile::remove( infoPath( trashId, fileId ) );
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if ( ok )
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fileRemoved();
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return ok;
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}
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bool TrashImpl::moveToTrash( const TQString& origPath, int trashId, const TQString& fileId )
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{
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kdDebug() << k_funcinfo << endl;
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if ( !adaptTrashSize( origPath, trashId ) )
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return false;
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const TQString dest = filesPath( trashId, fileId );
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if ( !move( origPath, dest ) ) {
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// Maybe the move failed due to no permissions to delete source.
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// In that case, delete dest to keep things consistent, since TDEIO doesn't do it.
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if ( TQFileInfo( dest ).isFile() )
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TQFile::remove( dest );
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else
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synchronousDel( dest, false, true );
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return false;
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}
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fileAdded();
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return true;
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}
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bool TrashImpl::moveFromTrash( const TQString& dest, int trashId, const TQString& fileId, const TQString& relativePath )
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{
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TQString src = filesPath( trashId, fileId );
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if ( !relativePath.isEmpty() ) {
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src += '/';
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src += relativePath;
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}
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if ( !move( src, dest ) )
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return false;
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return true;
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}
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bool TrashImpl::move( const TQString& src, const TQString& dest )
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{
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if ( directRename( src, dest ) ) {
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// This notification is done by TDEIO::moveAs when using the code below
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// But if we do a direct rename we need to do the notification ourselves
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KDirNotify_stub allDirNotify( "*", "KDirNotify*" );
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KURL urlDest; urlDest.setPath( dest );
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urlDest.setPath( urlDest.directory() );
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allDirNotify.FilesAdded( urlDest );
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return true;
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}
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if ( m_lastErrorCode != TDEIO::ERR_UNSUPPORTED_ACTION )
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return false;
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KURL urlSrc, urlDest;
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urlSrc.setPath( src );
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urlDest.setPath( dest );
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kdDebug() << k_funcinfo << urlSrc << " -> " << urlDest << endl;
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TDEIO::CopyJob* job = TDEIO::moveAs( urlSrc, urlDest, false );
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#ifdef TDEIO_COPYJOB_HAS_SETINTERACTIVE
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job->setInteractive( false );
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#endif
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connect( job, TQ_SIGNAL( result(TDEIO::Job *) ),
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this, TQ_SLOT( jobFinished(TDEIO::Job *) ) );
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tqApp->eventLoop()->enterLoop();
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return m_lastErrorCode == 0;
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}
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void TrashImpl::jobFinished(TDEIO::Job* job)
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{
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kdDebug() << k_funcinfo << " error=" << job->error() << endl;
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error( job->error(), job->errorText() );
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tqApp->eventLoop()->exitLoop();
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}
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bool TrashImpl::copyToTrash( const TQString& origPath, int trashId, const TQString& fileId )
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{
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kdDebug() << k_funcinfo << endl;
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if ( !adaptTrashSize( origPath, trashId ) )
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return false;
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const TQString dest = filesPath( trashId, fileId );
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if ( !copy( origPath, dest ) )
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return false;
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fileAdded();
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return true;
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}
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bool TrashImpl::copyFromTrash( const TQString& dest, int trashId, const TQString& fileId, const TQString& relativePath )
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{
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TQString src = filesPath( trashId, fileId );
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if ( !relativePath.isEmpty() ) {
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src += '/';
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src += relativePath;
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}
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return copy( src, dest );
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}
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bool TrashImpl::copy( const TQString& src, const TQString& dest )
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{
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// tdeio_file's copy() method is quite complex (in order to be fast), let's just call it...
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m_lastErrorCode = 0;
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KURL urlSrc;
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urlSrc.setPath( src );
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KURL urlDest;
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urlDest.setPath( dest );
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kdDebug() << k_funcinfo << "copying " << src << " to " << dest << endl;
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TDEIO::CopyJob* job = TDEIO::copyAs( urlSrc, urlDest, false );
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#ifdef TDEIO_COPYJOB_HAS_SETINTERACTIVE
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job->setInteractive( false );
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#endif
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connect( job, TQ_SIGNAL( result( TDEIO::Job* ) ),
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this, TQ_SLOT( jobFinished( TDEIO::Job* ) ) );
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tqApp->eventLoop()->enterLoop();
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return m_lastErrorCode == 0;
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}
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bool TrashImpl::directRename( const TQString& src, const TQString& dest )
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{
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kdDebug() << k_funcinfo << src << " -> " << dest << endl;
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if ( ::rename( TQFile::encodeName( src ), TQFile::encodeName( dest ) ) != 0 ) {
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if (errno == EXDEV) {
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error( TDEIO::ERR_UNSUPPORTED_ACTION, TQString::fromLatin1("rename") );
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} else {
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if (( errno == EACCES ) || (errno == EPERM)) {
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error( TDEIO::ERR_ACCESS_DENIED, dest );
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} else if (errno == EROFS) { // The file is on a read-only filesystem
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error( TDEIO::ERR_CANNOT_DELETE, src );
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} else {
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error( TDEIO::ERR_CANNOT_RENAME, src );
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}
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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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#if 0
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bool TrashImpl::mkdir( int trashId, const TQString& fileId, int permissions )
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{
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const TQString path = filesPath( trashId, fileId );
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if ( ::mkdir( TQFile::encodeName( path ), permissions ) != 0 ) {
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if ( errno == EACCES ) {
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error( TDEIO::ERR_ACCESS_DENIED, path );
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return false;
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} else if ( errno == ENOSPC ) {
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error( TDEIO::ERR_DISK_FULL, path );
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return false;
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} else {
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error( TDEIO::ERR_COULD_NOT_MKDIR, path );
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return false;
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}
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|
} else {
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if ( permissions != -1 )
|
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::chmod( TQFile::encodeName( path ), permissions );
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}
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return true;
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}
|
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#endif
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|
|
bool TrashImpl::del( int trashId, const TQString& fileId )
|
|
{
|
|
TQString info = infoPath(trashId, fileId);
|
|
TQString file = filesPath(trashId, fileId);
|
|
|
|
TQCString info_c = TQFile::encodeName(info);
|
|
|
|
KDE_struct_stat buff;
|
|
if ( KDE_lstat( info_c.data(), &buff ) == -1 ) {
|
|
if ( errno == EACCES )
|
|
error( TDEIO::ERR_ACCESS_DENIED, file );
|
|
else
|
|
error( TDEIO::ERR_DOES_NOT_EXIST, file );
|
|
return false;
|
|
}
|
|
|
|
if ( !synchronousDel( file, true, TQFileInfo(file).isDir() ) )
|
|
return false;
|
|
|
|
TQFile::remove( info );
|
|
fileRemoved();
|
|
return true;
|
|
}
|
|
|
|
bool TrashImpl::synchronousDel( const TQString& path, bool setLastErrorCode, bool isDir )
|
|
{
|
|
const int oldErrorCode = m_lastErrorCode;
|
|
const TQString oldErrorMsg = m_lastErrorMessage;
|
|
KURL url;
|
|
url.setPath( path );
|
|
|
|
// First ensure that all dirs have u+w permissions,
|
|
// otherwise we won't be able to delete files in them (#130780).
|
|
if ( isDir ) {
|
|
kdDebug() << k_funcinfo << "chmod'ing " << url << endl;
|
|
KFileItem fileItem( url, "inode/directory", KFileItem::Unknown );
|
|
KFileItemList fileItemList;
|
|
fileItemList.append( &fileItem );
|
|
TDEIO::ChmodJob* chmodJob = TDEIO::chmod( fileItemList, 0200, 0200, TQString::null, TQString::null, true /*recursive*/, false /*showProgressInfo*/ );
|
|
connect( chmodJob, TQ_SIGNAL( result(TDEIO::Job *) ),
|
|
this, TQ_SLOT( jobFinished(TDEIO::Job *) ) );
|
|
tqApp->eventLoop()->enterLoop();
|
|
}
|
|
|
|
kdDebug() << k_funcinfo << "deleting " << url << endl;
|
|
TDEIO::DeleteJob *job = TDEIO::del( url, false, false );
|
|
connect( job, TQ_SIGNAL( result(TDEIO::Job *) ),
|
|
this, TQ_SLOT( jobFinished(TDEIO::Job *) ) );
|
|
tqApp->eventLoop()->enterLoop();
|
|
bool ok = m_lastErrorCode == 0;
|
|
if ( !setLastErrorCode ) {
|
|
m_lastErrorCode = oldErrorCode;
|
|
m_lastErrorMessage = oldErrorMsg;
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
bool TrashImpl::emptyTrash()
|
|
{
|
|
kdDebug() << k_funcinfo << endl;
|
|
// The naive implementation "delete info and files in every trash directory"
|
|
// breaks when deleted directories contain files owned by other users.
|
|
// We need to ensure that the .trashinfo file is only removed when the
|
|
// corresponding files could indeed be removed.
|
|
|
|
const TrashedFileInfoList fileInfoList = list();
|
|
|
|
TrashedFileInfoList::const_iterator it = fileInfoList.begin();
|
|
const TrashedFileInfoList::const_iterator end = fileInfoList.end();
|
|
for ( ; it != end ; ++it ) {
|
|
const TrashedFileInfo& info = *it;
|
|
const TQString filesPath = info.physicalPath;
|
|
if ( synchronousDel( filesPath, true, true ) ) {
|
|
TQFile::remove( infoPath( info.trashId, info.fileId ) );
|
|
} // else error code is set
|
|
}
|
|
fileRemoved();
|
|
|
|
return m_lastErrorCode == 0;
|
|
}
|
|
|
|
TrashImpl::TrashedFileInfoList TrashImpl::list()
|
|
{
|
|
// Here we scan for trash directories unconditionally. This allows
|
|
// noticing plugged-in [e.g. removeable] devices, or new mounts etc.
|
|
scanTrashDirectories();
|
|
|
|
TrashedFileInfoList lst;
|
|
// For each known trash directory...
|
|
TrashDirMap::const_iterator it = m_trashDirectories.begin();
|
|
for ( ; it != m_trashDirectories.end() ; ++it ) {
|
|
const int trashId = it.key();
|
|
TQString infoPath = it.data();
|
|
infoPath += "/info";
|
|
// Code taken from tdeio_file
|
|
TQStrList entryNames = listDir( infoPath );
|
|
//char path_buffer[PATH_MAX];
|
|
//getcwd(path_buffer, PATH_MAX - 1);
|
|
//if ( chdir( infoPathEnc ) )
|
|
// continue;
|
|
TQStrListIterator entryIt( entryNames );
|
|
for (; entryIt.current(); ++entryIt) {
|
|
TQString fileName = TQFile::decodeName( *entryIt );
|
|
if ( fileName == "." || fileName == ".." )
|
|
continue;
|
|
if ( !fileName.endsWith( ".trashinfo" ) ) {
|
|
kdWarning() << "Invalid info file found in " << infoPath << " : " << fileName << endl;
|
|
continue;
|
|
}
|
|
fileName.truncate( fileName.length() - 10 );
|
|
|
|
TrashedFileInfo info;
|
|
if ( infoForFile( trashId, fileName, info ) )
|
|
lst << info;
|
|
}
|
|
}
|
|
return lst;
|
|
}
|
|
|
|
// Returns the entries in a given directory - including "." and ".."
|
|
TQStrList TrashImpl::listDir( const TQString& physicalPath )
|
|
{
|
|
const TQCString physicalPathEnc = TQFile::encodeName( physicalPath );
|
|
kdDebug() << k_funcinfo << "listing " << physicalPath << endl;
|
|
TQStrList entryNames;
|
|
DIR *dp = opendir( physicalPathEnc );
|
|
if ( dp == 0 )
|
|
return entryNames;
|
|
KDE_struct_dirent *ep;
|
|
while ( ( ep = KDE_readdir( dp ) ) != 0L )
|
|
entryNames.append( ep->d_name );
|
|
closedir( dp );
|
|
return entryNames;
|
|
}
|
|
|
|
bool TrashImpl::infoForFile( int trashId, const TQString& fileId, TrashedFileInfo& info )
|
|
{
|
|
kdDebug() << k_funcinfo << trashId << " " << fileId << endl;
|
|
info.trashId = trashId; // easy :)
|
|
info.fileId = fileId; // equally easy
|
|
info.physicalPath = filesPath( trashId, fileId );
|
|
return readInfoFile( infoPath( trashId, fileId ), info, trashId );
|
|
}
|
|
|
|
bool TrashImpl::readInfoFile( const TQString& infoPath, TrashedFileInfo& info, int trashId )
|
|
{
|
|
KSimpleConfig cfg( infoPath, true );
|
|
if ( !cfg.hasGroup( "Trash Info" ) ) {
|
|
error( TDEIO::ERR_CANNOT_OPEN_FOR_READING, infoPath );
|
|
return false;
|
|
}
|
|
cfg.setGroup( "Trash Info" );
|
|
info.origPath = KURL::decode_string( cfg.readEntry( "Path" ), m_mibEnum );
|
|
if ( info.origPath.isEmpty() )
|
|
return false; // path is mandatory...
|
|
if ( trashId == 0 )
|
|
Q_ASSERT( info.origPath[0] == '/' );
|
|
else {
|
|
const TQString topdir = topDirectoryPath( trashId ); // includes trailing slash
|
|
info.origPath.prepend( topdir );
|
|
}
|
|
TQString line = cfg.readEntry( "DeletionDate" );
|
|
if ( !line.isEmpty() ) {
|
|
info.deletionDate = TQDateTime::fromString( line, TQt::ISODate );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
TQString TrashImpl::physicalPath( int trashId, const TQString& fileId, const TQString& relativePath )
|
|
{
|
|
TQString filePath = filesPath( trashId, fileId );
|
|
if ( !relativePath.isEmpty() ) {
|
|
filePath += "/";
|
|
filePath += relativePath;
|
|
}
|
|
return filePath;
|
|
}
|
|
|
|
void TrashImpl::error( int e, const TQString& s )
|
|
{
|
|
if ( e )
|
|
kdDebug() << k_funcinfo << e << " " << s << endl;
|
|
m_lastErrorCode = e;
|
|
m_lastErrorMessage = s;
|
|
}
|
|
|
|
bool TrashImpl::isEmpty() const
|
|
{
|
|
// For each known trash directory...
|
|
if ( !m_trashDirectoriesScanned )
|
|
scanTrashDirectories();
|
|
TrashDirMap::const_iterator it = m_trashDirectories.begin();
|
|
for ( ; it != m_trashDirectories.end() ; ++it ) {
|
|
TQString infoPath = it.data();
|
|
infoPath += "/info";
|
|
|
|
DIR *dp = opendir( TQFile::encodeName( infoPath ) );
|
|
if ( dp )
|
|
{
|
|
struct dirent *ep;
|
|
ep = readdir( dp );
|
|
ep = readdir( dp ); // ignore '.' and '..' dirent
|
|
ep = readdir( dp ); // look for third file
|
|
closedir( dp );
|
|
if ( ep != 0 ) {
|
|
//kdDebug() << ep->d_name << " in " << infoPath << " -> not empty" << endl;
|
|
return false; // not empty
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void TrashImpl::fileAdded()
|
|
{
|
|
m_config.setGroup( "Status" );
|
|
m_config.writeEntry( "Empty", false );
|
|
m_config.sync();
|
|
// The apps showing the trash (e.g. kdesktop) will be notified
|
|
// of this change when KDirNotify::FilesAdded("trash:/") is emitted,
|
|
// which will be done by the job soon after this.
|
|
}
|
|
|
|
void TrashImpl::fileRemoved()
|
|
{
|
|
if ( isEmpty() ) {
|
|
m_config.setGroup( "Status" );
|
|
m_config.writeEntry( "Empty", true );
|
|
m_config.sync();
|
|
}
|
|
// The apps showing the trash (e.g. kdesktop) will be notified
|
|
// of this change when KDirNotify::FilesRemoved(...) is emitted,
|
|
// which will be done by the job soon after this.
|
|
}
|
|
|
|
int TrashImpl::findTrashDirectory( const TQString& origPath )
|
|
{
|
|
kdDebug() << k_funcinfo << origPath << endl;
|
|
// First check if same device as $HOME, then we use the home trash right away.
|
|
KDE_struct_stat buff;
|
|
if ( KDE_lstat( TQFile::encodeName( origPath ), &buff ) == 0
|
|
&& buff.st_dev == m_homeDevice )
|
|
return 0;
|
|
|
|
TQString mountPoint = TDEIO::findPathMountPoint( origPath );
|
|
const TQString trashDir = trashForMountPoint( mountPoint, true );
|
|
kdDebug() << "mountPoint=" << mountPoint << " trashDir=" << trashDir << endl;
|
|
if ( trashDir.isEmpty() )
|
|
return 0; // no trash available on partition
|
|
int id = idForTrashDirectory( trashDir );
|
|
if ( id > -1 ) {
|
|
kdDebug() << " known with id " << id << endl;
|
|
return id;
|
|
}
|
|
// new trash dir found, register it
|
|
// but we need stability in the trash IDs, so that restoring or asking
|
|
// for properties works even tdeio_trash gets killed because idle.
|
|
#if 0
|
|
kdDebug() << k_funcinfo << "found " << trashDir << endl;
|
|
m_trashDirectories.insert( ++m_lastId, trashDir );
|
|
if ( !mountPoint.endsWith( "/" ) )
|
|
mountPoint += '/';
|
|
m_topDirectories.insert( m_lastId, mountPoint );
|
|
return m_lastId;
|
|
#endif
|
|
scanTrashDirectories();
|
|
return idForTrashDirectory( trashDir );
|
|
}
|
|
|
|
void TrashImpl::scanTrashDirectories() const
|
|
{
|
|
const KMountPoint::List lst = KMountPoint::currentMountPoints();
|
|
for ( KMountPoint::List::ConstIterator it = lst.begin() ; it != lst.end() ; ++it ) {
|
|
const TQCString str = (*it)->mountType().latin1();
|
|
// Skip pseudo-filesystems, there's no chance we'll find a .Trash on them :)
|
|
// ## Maybe we should also skip readonly filesystems
|
|
if ( str != "proc" && str != "devfs" && str != "usbdevfs" &&
|
|
str != "sysfs" && str != "devpts" && str != "subfs" /* #96259 */ &&
|
|
str != "autofs" /* #101116 */ ) {
|
|
TQString topdir = (*it)->mountPoint();
|
|
TQString trashDir = trashForMountPoint( topdir, false );
|
|
if ( !trashDir.isEmpty() ) {
|
|
// OK, trashDir is a valid trash directory. Ensure it's registered.
|
|
int trashId = idForTrashDirectory( trashDir );
|
|
if ( trashId == -1 ) {
|
|
// new trash dir found, register it
|
|
m_trashDirectories.insert( ++m_lastId, trashDir );
|
|
kdDebug() << k_funcinfo << "found " << trashDir << " gave it id " << m_lastId << endl;
|
|
if ( !topdir.endsWith( "/" ) )
|
|
topdir += '/';
|
|
m_topDirectories.insert( m_lastId, topdir );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
m_trashDirectoriesScanned = true;
|
|
}
|
|
|
|
TrashImpl::TrashDirMap TrashImpl::trashDirectories() const
|
|
{
|
|
if ( !m_trashDirectoriesScanned )
|
|
scanTrashDirectories();
|
|
return m_trashDirectories;
|
|
}
|
|
|
|
TrashImpl::TrashDirMap TrashImpl::topDirectories() const
|
|
{
|
|
if ( !m_trashDirectoriesScanned )
|
|
scanTrashDirectories();
|
|
return m_topDirectories;
|
|
}
|
|
|
|
TQString TrashImpl::trashForMountPoint( const TQString& topdir, bool createIfNeeded ) const
|
|
{
|
|
// (1) Administrator-created $topdir/.Trash directory
|
|
|
|
const TQString rootTrashDir = topdir + "/.Trash";
|
|
const TQCString rootTrashDir_c = TQFile::encodeName( rootTrashDir );
|
|
// Can't use TQFileInfo here since we need to test for the sticky bit
|
|
uid_t uid = getuid();
|
|
KDE_struct_stat buff;
|
|
const uint requiredBits = S_ISVTX; // Sticky bit required
|
|
if ( KDE_lstat( rootTrashDir_c, &buff ) == 0 ) {
|
|
if ( (S_ISDIR(buff.st_mode)) // must be a dir
|
|
&& (!S_ISLNK(buff.st_mode)) // not a symlink
|
|
&& ((buff.st_mode & requiredBits) == requiredBits)
|
|
&& (::access(rootTrashDir_c, W_OK))
|
|
) {
|
|
const TQString trashDir = rootTrashDir + "/" + TQString::number( uid );
|
|
const TQCString trashDir_c = TQFile::encodeName( trashDir );
|
|
if ( KDE_lstat( trashDir_c, &buff ) == 0 ) {
|
|
if ( (buff.st_uid == uid) // must be owned by user
|
|
&& (S_ISDIR(buff.st_mode)) // must be a dir
|
|
&& (!S_ISLNK(buff.st_mode)) // not a symlink
|
|
&& (buff.st_mode & 0777) == 0700 ) { // rwx for user
|
|
return trashDir;
|
|
}
|
|
kdDebug() << "Directory " << trashDir << " exists but didn't pass the security checks, can't use it" << endl;
|
|
}
|
|
else if ( createIfNeeded && initTrashDirectory( trashDir_c ) ) {
|
|
return trashDir;
|
|
}
|
|
} else {
|
|
kdDebug() << "Root trash dir " << rootTrashDir << " exists but didn't pass the security checks, can't use it" << endl;
|
|
}
|
|
}
|
|
|
|
// (2) $topdir/.Trash-$uid
|
|
const TQString trashDir = topdir + "/.Trash-" + TQString::number( uid );
|
|
const TQCString trashDir_c = TQFile::encodeName( trashDir );
|
|
if ( KDE_lstat( trashDir_c, &buff ) == 0 )
|
|
{
|
|
if ( (buff.st_uid == uid) // must be owned by user
|
|
&& (S_ISDIR(buff.st_mode)) // must be a dir
|
|
&& (!S_ISLNK(buff.st_mode)) // not a symlink
|
|
&& ((buff.st_mode & 0777) == 0700) ) { // rwx for user, ------ for group and others
|
|
|
|
if ( checkTrashSubdirs( trashDir_c ) )
|
|
return trashDir;
|
|
}
|
|
kdDebug() << "Directory " << trashDir << " exists but didn't pass the security checks, can't use it" << endl;
|
|
// Exists, but not useable
|
|
return TQString::null;
|
|
}
|
|
if ( createIfNeeded && initTrashDirectory( trashDir_c ) ) {
|
|
return trashDir;
|
|
}
|
|
return TQString::null;
|
|
}
|
|
|
|
int TrashImpl::idForTrashDirectory( const TQString& trashDir ) const
|
|
{
|
|
// If this is too slow we can always use a reverse map...
|
|
TrashDirMap::ConstIterator it = m_trashDirectories.begin();
|
|
for ( ; it != m_trashDirectories.end() ; ++it ) {
|
|
if ( it.data() == trashDir ) {
|
|
return it.key();
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
bool TrashImpl::initTrashDirectory( const TQCString& trashDir_c ) const
|
|
{
|
|
if ( ::mkdir( trashDir_c, 0700 ) != 0 )
|
|
return false;
|
|
// This trash dir will be useable only if the directory is owned by user.
|
|
// In theory this is the case, but not on e.g. USB keys...
|
|
uid_t uid = getuid();
|
|
KDE_struct_stat buff;
|
|
if ( KDE_lstat( trashDir_c, &buff ) != 0 )
|
|
return false; // huh?
|
|
if ( (buff.st_uid == uid) // must be owned by user
|
|
&& ((buff.st_mode & 0777) == 0700) ) { // rwx for user, --- for group and others
|
|
|
|
return checkTrashSubdirs( trashDir_c );
|
|
|
|
} else {
|
|
kdDebug() << trashDir_c << " just created, by it doesn't have the right permissions, must be a FAT partition. Removing it again." << endl;
|
|
// Not good, e.g. USB key. Delete again.
|
|
// I'm paranoid, it would be better to find a solution that allows
|
|
// to trash directly onto the USB key, but I don't see how that would
|
|
// pass the security checks. It would also make the USB key appears as
|
|
// empty when it's in fact full...
|
|
::rmdir( trashDir_c );
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool TrashImpl::checkTrashSubdirs( const TQCString& trashDir_c ) const
|
|
{
|
|
// testDir currently works with a TQString - ## optimize
|
|
TQString trashDir = TQFile::decodeName( trashDir_c );
|
|
const TQString info = trashDir + "/info";
|
|
if ( testDir( info ) != 0 )
|
|
return false;
|
|
const TQString files = trashDir + "/files";
|
|
if ( testDir( files ) != 0 )
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
TQString TrashImpl::trashDirectoryPath( int trashId ) const
|
|
{
|
|
// Never scanned for trash dirs? (This can happen after killing tdeio_trash
|
|
// and reusing a directory listing from the earlier instance.)
|
|
if ( !m_trashDirectoriesScanned )
|
|
scanTrashDirectories();
|
|
Q_ASSERT( m_trashDirectories.contains( trashId ) );
|
|
return m_trashDirectories[trashId];
|
|
}
|
|
|
|
TQString TrashImpl::topDirectoryPath( int trashId ) const
|
|
{
|
|
if ( !m_trashDirectoriesScanned )
|
|
scanTrashDirectories();
|
|
assert( trashId != 0 );
|
|
Q_ASSERT( m_topDirectories.contains( trashId ) );
|
|
return m_topDirectories[trashId];
|
|
}
|
|
|
|
// Helper method. Creates a URL with the format trash:/trashid-fileid or
|
|
// trash:/trashid-fileid/relativePath/To/File for a file inside a trashed directory.
|
|
KURL TrashImpl::makeURL( int trashId, const TQString& fileId, const TQString& relativePath )
|
|
{
|
|
KURL url;
|
|
url.setProtocol( "trash" );
|
|
TQString path = "/";
|
|
path += TQString::number( trashId );
|
|
path += '-';
|
|
path += fileId;
|
|
if ( !relativePath.isEmpty() ) {
|
|
path += '/';
|
|
path += relativePath;
|
|
}
|
|
url.setPath( path );
|
|
return url;
|
|
}
|
|
|
|
// Helper method. Parses a trash URL with the URL scheme defined in makeURL.
|
|
// The trash:/ URL itself isn't parsed here, must be caught by the caller before hand.
|
|
bool TrashImpl::parseURL( const KURL& url, int& trashId, TQString& fileId, TQString& relativePath )
|
|
{
|
|
if ( url.protocol() != "trash" )
|
|
return false;
|
|
const TQString path = url.path();
|
|
int start = 0;
|
|
if ( path[0] == '/' ) // always true I hope
|
|
start = 1;
|
|
int slashPos = path.find( '-', 0 ); // don't match leading slash
|
|
if ( slashPos <= 0 )
|
|
return false;
|
|
bool ok = false;
|
|
trashId = path.mid( start, slashPos - start ).toInt( &ok );
|
|
Q_ASSERT( ok );
|
|
if ( !ok )
|
|
return false;
|
|
start = slashPos + 1;
|
|
slashPos = path.find( '/', start );
|
|
if ( slashPos <= 0 ) {
|
|
fileId = path.mid( start );
|
|
relativePath = TQString::null;
|
|
return true;
|
|
}
|
|
fileId = path.mid( start, slashPos - start );
|
|
relativePath = path.mid( slashPos + 1 );
|
|
return true;
|
|
}
|
|
|
|
bool TrashImpl::adaptTrashSize( const TQString& origPath, int trashId )
|
|
{
|
|
TDEConfig config( "trashrc" );
|
|
|
|
const TQString trashPath = trashDirectoryPath( trashId );
|
|
config.setGroup( trashPath );
|
|
|
|
bool useTimeLimit = config.readBoolEntry( "UseTimeLimit", false );
|
|
bool useSizeLimit = config.readBoolEntry( "UseSizeLimit", true );
|
|
int sizeLimitType = config.readNumEntry( "SizeLimitType", TrashConstant::SIZE_LIMIT_PERCENT );
|
|
double percent = config.readDoubleNumEntry( "Percent", 10 );
|
|
double fixedSize = config.readDoubleNumEntry( "FixedSize", 500 );
|
|
int fixedSizeUnit = config.readNumEntry( "FixedSizeUnit", TrashConstant::SIZE_ID_MB );
|
|
int actionType = config.readNumEntry( "LimitReachedAction", TrashConstant::ACTION_WARNING );
|
|
|
|
if ( useTimeLimit ) { // delete all files in trash older than X days
|
|
const int maxDays = config.readNumEntry( "Days", 32000 );
|
|
const TQDateTime currentDate = TQDateTime::currentDateTime();
|
|
|
|
const TrashedFileInfoList trashedFiles = list();
|
|
for ( uint i = 0; i < trashedFiles.count(); ++i ) {
|
|
struct TrashedFileInfo info = trashedFiles[ i ];
|
|
if ( info.trashId != trashId )
|
|
continue;
|
|
|
|
if ( info.deletionDate.daysTo( currentDate ) > maxDays )
|
|
del( info.trashId, info.fileId );
|
|
}
|
|
}
|
|
|
|
if ( useSizeLimit ) { // check if size limit exceeded
|
|
// calculate size of the files to be put into the trash
|
|
unsigned long additionalSize = DiscSpaceUtil::sizeOfPath( origPath );
|
|
TQString trashPathName = trashPath + "/files/";
|
|
DiscSpaceUtil util( trashPathName );
|
|
unsigned long requiredTrashSpace = util.sizeOfPath(trashPathName) + additionalSize;
|
|
unsigned long trashLimit = 0;
|
|
if ( sizeLimitType == TrashConstant::SIZE_LIMIT_PERCENT)
|
|
{
|
|
trashLimit = (unsigned long)(1024 * percent * util.size() / 100.0);
|
|
}
|
|
else if ( sizeLimitType == TrashConstant::SIZE_LIMIT_FIXED)
|
|
{
|
|
double trashLimitTemp = fixedSize;
|
|
while (fixedSizeUnit > TrashConstant::SIZE_ID_B)
|
|
{
|
|
trashLimitTemp *= 1024;
|
|
--fixedSizeUnit;
|
|
}
|
|
trashLimit = (unsigned long)trashLimitTemp;
|
|
}
|
|
if ( additionalSize > trashLimit ) {
|
|
m_lastErrorCode = TDEIO::ERR_SLAVE_DEFINED;
|
|
m_lastErrorMessage = i18n( "The file '%1' is bigger than the '%2' trash bin size.\n"
|
|
"It cannot be trashed." ).arg(origPath).arg(util.mountPoint());
|
|
return false;
|
|
} else if ( requiredTrashSpace > trashLimit ) {
|
|
if ( actionType == TrashConstant::ACTION_WARNING ) { // warn the user only
|
|
m_lastErrorCode = TDEIO::ERR_SLAVE_DEFINED;
|
|
m_lastErrorMessage = i18n( "There is not enough space left in trash folder '%1'.\n"
|
|
"The file cannot be trashed. Clean the trash manually and try again.")
|
|
.arg(util.mountPoint());
|
|
return false;
|
|
} else {
|
|
TQDir dir( trashPath + "/files" );
|
|
const TQFileInfoList *infos = 0;
|
|
if ( actionType == TrashConstant::ACTION_DELETE_OLDEST ) // delete oldest files first
|
|
infos = dir.entryInfoList( TQDir::Files | TQDir::Dirs, TQDir::Time | TQDir::Reversed );
|
|
else if ( actionType == TrashConstant::ACTION_DELETE_BIGGEST ) // delete biggest files first
|
|
infos = dir.entryInfoList( TQDir::Files | TQDir::Dirs, TQDir::Size );
|
|
else {
|
|
tqWarning( "<TrashImpl::adaptTrashSize> Should never happen!" );
|
|
return false;
|
|
}
|
|
|
|
TQFileInfoListIterator it( *infos );
|
|
TQFileInfo *info;
|
|
bool deleteFurther = true;
|
|
while ( ((info = it.current()) != 0) && deleteFurther ) {
|
|
if ( info->fileName() != "." && info->fileName() != ".." ) {
|
|
del( trashId, info->fileName() ); // delete trashed file
|
|
if ( (util.sizeOfPath(trashPathName) + additionalSize) < trashLimit ) // check whether we have enough space now
|
|
deleteFurther = false;
|
|
}
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void TrashImpl::resizeTrash(int trashId)
|
|
{
|
|
TDEConfig config("trashrc");
|
|
const TQString trashPath = trashDirectoryPath(trashId);
|
|
config.setGroup(trashPath);
|
|
|
|
bool useTimeLimit = config.readBoolEntry("UseTimeLimit", false);
|
|
bool useSizeLimit = config.readBoolEntry("UseSizeLimit", true);
|
|
int sizeLimitType = config.readNumEntry("SizeLimitType", TrashConstant::SIZE_LIMIT_PERCENT);
|
|
double percent = config.readDoubleNumEntry("Percent", 10);
|
|
double fixedSize = config.readDoubleNumEntry("FixedSize", 500);
|
|
int fixedSizeUnit = config.readNumEntry("FixedSizeUnit", TrashConstant::SIZE_ID_MB);
|
|
int actionType = config.readNumEntry("LimitReachedAction", 0);
|
|
|
|
if (useTimeLimit)
|
|
{
|
|
// delete all files in trash older than X days
|
|
const int maxDays = config.readNumEntry("Days", 32000);
|
|
const TQDateTime currentDate = TQDateTime::currentDateTime();
|
|
const TrashedFileInfoList trashedFiles = list();
|
|
for (uint i = 0; i < trashedFiles.count(); ++i)
|
|
{
|
|
struct TrashedFileInfo info = trashedFiles[ i ];
|
|
if (info.trashId != trashId)
|
|
{
|
|
continue;
|
|
}
|
|
if (info.deletionDate.daysTo(currentDate) > maxDays)
|
|
{
|
|
del(info.trashId, info.fileId);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (useSizeLimit)
|
|
{
|
|
// check if size limit exceeded
|
|
TQString trashPathName = trashPath + "/files/";
|
|
DiscSpaceUtil util(trashPathName);
|
|
unsigned long currTrashSize = util.sizeOfPath(trashPathName);
|
|
unsigned long trashLimit = 0;
|
|
if (sizeLimitType == TrashConstant::SIZE_LIMIT_PERCENT)
|
|
{
|
|
trashLimit = (unsigned long)(1024 * percent * util.size() / 100.0);
|
|
}
|
|
else if (sizeLimitType == TrashConstant::SIZE_LIMIT_FIXED)
|
|
{
|
|
double trashLimitTemp = fixedSize;
|
|
while (fixedSizeUnit > TrashConstant::SIZE_ID_B)
|
|
{
|
|
trashLimitTemp *= 1024;
|
|
--fixedSizeUnit;
|
|
}
|
|
trashLimit = (unsigned long)trashLimitTemp;
|
|
}
|
|
if (currTrashSize > trashLimit)
|
|
{
|
|
if (actionType == TrashConstant::ACTION_WARNING)
|
|
{
|
|
// warn the user only
|
|
KMessageBox::error(0, i18n("The current size of trash folder '%1' is bigger than the allowed size.\n"
|
|
"Clean the trash manually.").arg(util.mountPoint()));
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
TQDir dir(trashPath + "/files");
|
|
const TQFileInfoList *infos = 0;
|
|
if (actionType == TrashConstant::ACTION_DELETE_OLDEST)
|
|
{
|
|
// delete oldest files first
|
|
infos = dir.entryInfoList(TQDir::Files | TQDir::Dirs, TQDir::Time | TQDir::Reversed);
|
|
}
|
|
else if (actionType == TrashConstant::ACTION_DELETE_BIGGEST)
|
|
{
|
|
// delete biggest files first
|
|
infos = dir.entryInfoList(TQDir::Files | TQDir::Dirs, TQDir::Size);
|
|
}
|
|
else
|
|
{
|
|
tqWarning("<TrashImpl::resizeTrash> Should never happen!");
|
|
return;
|
|
}
|
|
|
|
TQFileInfoListIterator it(*infos);
|
|
TQFileInfo *info;
|
|
bool deleteFurther = true;
|
|
while (((info = it.current()) != 0) && deleteFurther)
|
|
{
|
|
if (info->fileName() != "." && info->fileName() != "..")
|
|
{
|
|
del(trashId, info->fileName()); // delete trashed file
|
|
if ((util.sizeOfPath(trashPathName)) < trashLimit)
|
|
{
|
|
// check whether we have enough space now
|
|
deleteFurther = false;
|
|
}
|
|
}
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "trashimpl.moc"
|