TDE base libraries and programs
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/* This file is part of the KDE Project
Copyright (c) 2005 Jean-Remy Falleri <jr.falleri@laposte.net>
Copyright (c) 2005 Kévin Ottens <ervin ipsquad net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "medianotifier.h"
#if defined (__OpenBSD__) || defined(__FreeBSD__)
#include <sys/statvfs.h>
#include <sys/param.h>
#include <sys/mount.h>
#else
#include <sys/vfs.h>
#endif
#include <tqfile.h>
#include <tqfileinfo.h>
#include <tqdir.h>
#include <tqcheckbox.h>
#include <tdeapplication.h>
#include <tdeglobal.h>
#include <kdebug.h>
#include <tdelocale.h>
#include <kprocess.h>
#include <krun.h>
#include <tdemessagebox.h>
#include <kstdguiitem.h>
#include <kstandarddirs.h>
#include "notificationdialog.h"
#include "notifiersettings.h"
#include "notifieraction.h"
#include "mediamanagersettings.h"
#include "dmctl.h"
MediaNotifier::MediaNotifier(const TQCString &name) : KDEDModule(name)
{
connectDCOPSignal( "kded", "mediamanager", "mediumAdded(TQString, bool)",
"onMediumChange(TQString, bool)", true );
connectDCOPSignal( "kded", "mediamanager", "mediumChanged(TQString, bool)",
"onMediumChange(TQString, bool)", true );
connectDCOPSignal( "kded", "mediamanager", "mediumRemoved(TQString, bool)",
"onMediumRemove(TQString, bool)", true );
m_notificationDialogList.setAutoDelete(FALSE);
m_freeTimer = new TQTimer( this );
connect( m_freeTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( checkFreeDiskSpace() ) );
m_freeTimer->start( 1000*6*2 /* 20 minutes */ );
m_freeDialog = 0;
}
MediaNotifier::~MediaNotifier()
{
disconnectDCOPSignal( "kded", "mediamanager", "mediumAdded(TQString, bool)",
"onMediumChange(TQString, bool)" );
disconnectDCOPSignal( "kded", "mediamanager", "mediumChanged(TQString, bool)",
"onMediumChange(TQString, bool)" );
disconnectDCOPSignal( "kded", "mediamanager", "mediumRemoved(TQString, bool)",
"onMediumRemove(TQString, bool)" );
}
void MediaNotifier::onMediumRemove( const TQString &name, bool allowNotification )
{
kdDebug() << "MediaNotifier::onMediumRemove( " << name << ", "
<< allowNotification << ")" << endl;
KURL url( "system:/media/"+name );
NotificationDialog* dialog;
for (dialog = m_notificationDialogList.first(); dialog; dialog = m_notificationDialogList.next()) {
if (dialog->medium().url() == url) {
dialog->close();
}
}
}
void MediaNotifier::onMediumChange( const TQString &name, bool allowNotification )
{
kdDebug() << "MediaNotifier::onMediumChange( " << name << ", "
<< allowNotification << ")" << endl;
if ( !allowNotification ) {
return;
}
// Update user activity timestamp, otherwise the notification dialog will be shown
// in the background due to focus stealing prevention. Entering a new media can
// be seen as a kind of user activity after all. It'd be better to update the timestamp
// as soon as the media is entered, but it apparently takes some time to get here.
kapp->updateUserTimestamp();
KURL url( "system:/media/"+name );
TDEIO::SimpleJob *job = TDEIO::stat( url, false );
job->setInteractive( false );
m_allowNotificationMap[job] = allowNotification;
connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ),
this, TQT_SLOT( slotStatResult( TDEIO::Job * ) ) );
}
void MediaNotifier::slotStatResult( TDEIO::Job *job )
{
bool allowNotification = m_allowNotificationMap[job];
m_allowNotificationMap.remove( job );
if ( job->error() != 0 ) return;
TDEIO::StatJob *stat_job = static_cast<TDEIO::StatJob *>( job );
TDEIO::UDSEntry entry = stat_job->statResult();
KURL url = stat_job->url();
KFileItem medium( entry, url );
if ( autostart( medium ) ) return;
if ( allowNotification ) notify( medium );
}
bool MediaNotifier::autostart( const KFileItem &medium )
{
TQString mimetype = medium.mimetype();
bool is_cdrom = mimetype.startsWith( "media/cd" ) || mimetype.startsWith( "media/dvd" );
bool is_mounted = mimetype.contains( "_mounted" );
// We autorun only on CD/DVD or removable disks (USB, Firewire)
if ( !( is_cdrom || is_mounted )
&& !mimetype.startsWith("media/removable_mounted") )
{
return false;
}
// Here starts the 'Autostart Of Applications After Mount' implementation
// The desktop environment MAY ignore Autostart files altogether
// based on policy set by the user, system administrator or vendor.
MediaManagerSettings::self()->readConfig();
if ( !MediaManagerSettings::self()->autostartEnabled() )
{
return false;
}
// From now we're sure the medium is already mounted.
// We can use the local path for stating, no need to use TDEIO here.
bool local;
TQString path = medium.mostLocalURL( local ).path(); // local is always true here...
// When a new medium is mounted the root directory of the medium should
// be checked for the following Autostart files in order of precedence:
// .autorun, autorun, autorun.sh
TQStringList autorun_list;
autorun_list << ".autorun" << "autorun" << "autorun.sh";
TQStringList::iterator it = autorun_list.begin();
TQStringList::iterator end = autorun_list.end();
for ( ; it!=end; ++it )
{
if ( TQFile::exists( path + "/" + *it ) )
{
return execAutorun( medium, path, *it );
}
}
// When a new medium is mounted the root directory of the medium should
// be checked for the following Autoopen files in order of precedence:
// .autoopen, autoopen
TQStringList autoopen_list;
autoopen_list << ".autoopen" << "autoopen";
it = autoopen_list.begin();
end = autoopen_list.end();
for ( ; it!=end; ++it )
{
if ( TQFile::exists( path + "/" + *it ) )
{
return execAutoopen( medium, path, *it );
}
}
return false;
}
bool MediaNotifier::execAutorun( const KFileItem &medium, const TQString &path,
const TQString &autorunFile )
{
// The desktop environment MUST prompt the user for confirmation
// before automatically starting an application.
TQString mediumType = medium.mimeTypePtr()->name();
TQString text = i18n( "An autorun file has been found on your '%1'."
" Do you want to execute it?\n"
"Note that executing a file on a medium may compromise"
" your system's security").arg( mediumType );
TQString caption = i18n( "Autorun - %1" ).arg( medium.url().prettyURL() );
KGuiItem yes = KStdGuiItem::yes();
KGuiItem no = KStdGuiItem::no();
int options = KMessageBox::Notify | KMessageBox::Dangerous;
int answer = KMessageBox::warningYesNo( 0L, text, caption, yes, no,
TQString::null, options );
if ( answer == KMessageBox::Yes )
{
// When an Autostart file has been detected and the user has
// confirmed its execution the autostart file MUST be executed
// with the current working directory ( CWD ) set to the root
// directory of the medium.
TDEProcess proc;
proc << "sh" << autorunFile;
proc.setWorkingDirectory( path );
proc.start();
proc.detach();
}
return true;
}
bool MediaNotifier::execAutoopen( const KFileItem &medium, const TQString &path,
const TQString &autoopenFile )
{
// An Autoopen file MUST contain a single relative path that points
// to a non-executable file contained on the medium. [...]
TQFile file( path+"/"+autoopenFile );
file.open( IO_ReadOnly );
TQTextStream stream( &file );
TQString relative_path = stream.readLine().stripWhiteSpace();
// The relative path MUST NOT contain path components that
// refer to a parent directory ( ../ )
if ( relative_path.startsWith( "/" ) || relative_path.contains( "../" ) )
{
return false;
}
// The desktop environment MUST verify that the relative path points
// to a file that is actually located on the medium [...]
TQString resolved_path
= TDEStandardDirs::realFilePath( path+"/"+relative_path );
if ( !resolved_path.startsWith( path ) )
{
return false;
}
TQFile document( resolved_path );
// TODO: What about FAT all files are executable...
// If the relative path points to an executable file then the desktop
// environment MUST NOT execute the file.
if ( !document.exists() /*|| TQFileInfo(document).isExecutable()*/ )
{
return false;
}
KURL url = medium.url();
url.addPath( relative_path );
// The desktop environment MUST prompt the user for confirmation
// before opening the file.
TQString mediumType = medium.mimeTypePtr()->name();
TQString filename = url.filename();
TQString text = i18n( "An autoopen file has been found on your '%1'."
" Do you want to open '%2'?\n"
"Note that opening a file on a medium may compromise"
" your system's security").arg( mediumType ).arg( filename );
TQString caption = i18n( "Autoopen - %1" ).arg( medium.url().prettyURL() );
KGuiItem yes = KStdGuiItem::yes();
KGuiItem no = KStdGuiItem::no();
int options = KMessageBox::Notify | KMessageBox::Dangerous;
int answer = KMessageBox::warningYesNo( 0L, text, caption, yes, no,
TQString::null, options );
// TODO: Take case of the "UNLESS" part?
// When an Autoopen file has been detected and the user has confirmed
// that the file indicated in the Autoopen file should be opened then
// the file indicated in the Autoopen file MUST be opened in the
// application normally preferred by the user for files of its kind
// UNLESS the user instructed otherwise.
if ( answer == KMessageBox::Yes )
{
( void ) new KRun( url );
}
return true;
}
void MediaNotifier::notify( KFileItem &medium )
{
kdDebug() << "Notification triggered." << endl;
DM dm;
int currentActiveVT = dm.activeVT();
int currentX11VT = TDEApplication::currentX11VT();
if (currentX11VT < 0) {
// Do not notify if user is not local
return;
}
if ((currentActiveVT >= 0) && (currentX11VT != currentActiveVT)) {
// Do not notify if VT is not active!
return;
}
NotifierSettings *settings = new NotifierSettings();
if ( settings->autoActionForMimetype( medium.mimetype() )==0L )
{
TQValueList<NotifierAction*> actions = settings->actionsForMimetype( medium.mimetype() );
// If only one action remains, it's the "do nothing" action
// no need to popup in this case.
if ( actions.size()>1 )
{
NotificationDialog* notifier = new NotificationDialog( medium, settings );
connect(notifier, TQT_SIGNAL(destroyed(TQObject*)), this, TQT_SLOT(notificationDialogDestroyed(TQObject*)));
m_notificationDialogList.append(notifier);
notifier->show();
}
}
else
{
NotifierAction *action = settings->autoActionForMimetype( medium.mimetype() );
action->execute( medium );
delete settings;
}
}
void MediaNotifier::notificationDialogDestroyed(TQObject* object)
{
m_notificationDialogList.remove(static_cast<NotificationDialog*>(object));
}
extern "C"
{
KDE_EXPORT KDEDModule *create_medianotifier(const TQCString &name)
{
TDEGlobal::locale()->insertCatalogue("kay");
return new MediaNotifier(name);
}
}
void MediaNotifier::checkFreeDiskSpace()
{
struct statfs sfs;
long total, avail;
if ( m_freeDialog )
return;
if ( statfs( TQFile::encodeName( TQDir::homeDirPath() ), &sfs ) == 0 )
{
total = sfs.f_blocks;
avail = ( getuid() ? sfs.f_bavail : sfs.f_bfree );
if (avail < 0 || total <= 0)
return; // we better do not say anything about it
int freeperc = static_cast<int>(100 * double(avail) / total);
if ( freeperc < 5 && KMessageBox::shouldBeShownContinue( "dontagainfreespace" ) ) // free disk space dropped under a limit
{
m_freeDialog= new KDialogBase(
i18n( "Low Disk Space" ),
KDialogBase::Yes | KDialogBase::No,
KDialogBase::Yes, KDialogBase::No,
0, "warningYesNo", false, true,
i18n( "Start Konqueror" ), KStdGuiItem::cancel());
TQString text = i18n( "You are running low on disk space on your home partition (currently %1% free), would you like to "
"run Konqueror to free some disk space and fix the problem?" ).arg( freeperc );
bool checkboxResult = false;
KMessageBox::createKMessageBox(m_freeDialog, TQMessageBox::Warning, text, TQStringList(),
i18n("Do not ask again"),
&checkboxResult, KMessageBox::Notify | KMessageBox::NoExec);
m_freeDialog->show();
connect( m_freeDialog, TQT_SIGNAL( yesClicked() ), TQT_SLOT( slotFreeContinue() ) );
connect( m_freeDialog, TQT_SIGNAL( noClicked() ), TQT_SLOT( slotFreeCancel() ) );
}
}
}
void MediaNotifier::slotFreeContinue()
{
slotFreeFinished( KMessageBox::Continue );
}
void MediaNotifier::slotFreeCancel()
{
slotFreeFinished( KMessageBox::Cancel );
}
void MediaNotifier::slotFreeFinished( KMessageBox::ButtonCode res )
{
TQCheckBox *checkbox = ::tqqt_cast<TQCheckBox*>( m_freeDialog->child( 0, TQCHECKBOX_OBJECT_NAME_STRING ) );
if ( checkbox && checkbox->isChecked() )
KMessageBox::saveDontShowAgainYesNo("dontagainfreespace", res);
m_freeDialog->delayedDestruct();
m_freeDialog = 0;
if ( res == KMessageBox::Continue ) // start Konqi
{
( void ) new KRun( KURL::fromPathOrURL( TQDir::homeDirPath() ) );
}
else // people don't want to be bothered, at least stop the timer; there's no way to save the dontshowagain entry in this case
m_freeTimer->stop();
}
#include "medianotifier.moc"