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Diffstat (limited to 'kioslave/media/medianotifier/medianotifier.cpp')
| -rw-r--r-- | kioslave/media/medianotifier/medianotifier.cpp | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/kioslave/media/medianotifier/medianotifier.cpp b/kioslave/media/medianotifier/medianotifier.cpp new file mode 100644 index 000000000..98a474ba7 --- /dev/null +++ b/kioslave/media/medianotifier/medianotifier.cpp @@ -0,0 +1,312 @@ +/* This file is part of the KDE Project + Copyright (c) 2005 Jean-Remy Falleri <[email protected]> + 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" + +#include <qfile.h> +#include <qfileinfo.h> + +#include <kapplication.h> +#include <kglobal.h> +#include <kdebug.h> +#include <klocale.h> +#include <kprocess.h> +#include <krun.h> +#include <kmessagebox.h> +#include <kstdguiitem.h> +#include <kstandarddirs.h> + +#include "notificationdialog.h" +#include "notifiersettings.h" +#include "notifieraction.h" +#include "mediamanagersettings.h" + +MediaNotifier::MediaNotifier(const QCString &name) : KDEDModule(name) +{ + connectDCOPSignal( "kded", "mediamanager", "mediumAdded(QString, bool)", + "onMediumChange(QString, bool)", true ); + + connectDCOPSignal( "kded", "mediamanager", "mediumChanged(QString, bool)", + "onMediumChange(QString, bool)", true ); +} + +MediaNotifier::~MediaNotifier() +{ + disconnectDCOPSignal( "kded", "mediamanager", "mediumAdded(QString, bool)", + "onMediumChange(QString, bool)" ); + + disconnectDCOPSignal( "kded", "mediamanager", "mediumChanged(QString, bool)", + "onMediumChange(QString, bool)" ); +} + +void MediaNotifier::onMediumChange( const QString &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 ); + + KIO::SimpleJob *job = KIO::stat( url, false ); + job->setInteractive( false ); + + m_allowNotificationMap[job] = allowNotification; + + connect( job, SIGNAL( result( KIO::Job * ) ), + this, SLOT( slotStatResult( KIO::Job * ) ) ); +} + +void MediaNotifier::slotStatResult( KIO::Job *job ) +{ + bool allowNotification = m_allowNotificationMap[job]; + m_allowNotificationMap.remove( job ); + + if ( job->error() != 0 ) return; + + KIO::StatJob *stat_job = static_cast<KIO::StatJob *>( job ); + + KIO::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 ) +{ + QString mimetype = medium.mimetype(); + + bool is_cdrom = mimetype.startsWith( "cd" ) || mimetype.startsWith( "dvd" ); + bool is_mounted = mimetype.endsWith( "_mounted" ); + + // We autorun only on CD/DVD or removable disks (USB, Firewire) + if ( !( is_cdrom || is_mounted ) + && mimetype!="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 KIO here. + bool local; + QString 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 + QStringList autorun_list; + autorun_list << ".autorun" << "autorun" << "autorun.sh"; + + QStringList::iterator it = autorun_list.begin(); + QStringList::iterator end = autorun_list.end(); + + for ( ; it!=end; ++it ) + { + if ( QFile::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 + QStringList autoopen_list; + autoopen_list << ".autoopen" << "autoopen"; + + it = autoopen_list.begin(); + end = autoopen_list.end(); + + for ( ; it!=end; ++it ) + { + if ( QFile::exists( path + "/" + *it ) ) + { + return execAutoopen( medium, path, *it ); + } + } + + return false; +} + +bool MediaNotifier::execAutorun( const KFileItem &medium, const QString &path, + const QString &autorunFile ) +{ + // The desktop environment MUST prompt the user for confirmation + // before automatically starting an application. + QString mediumType = medium.mimeTypePtr()->name(); + QString 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 ); + QString 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, + QString::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. + KProcess proc; + proc << "sh" << autorunFile; + proc.setWorkingDirectory( path ); + proc.start(); + proc.detach(); + } + + return true; +} + +bool MediaNotifier::execAutoopen( const KFileItem &medium, const QString &path, + const QString &autoopenFile ) +{ + // An Autoopen file MUST contain a single relative path that points + // to a non-executable file contained on the medium. [...] + QFile file( path+"/"+autoopenFile ); + file.open( IO_ReadOnly ); + QTextStream stream( &file ); + + QString 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 [...] + QString resolved_path + = KStandardDirs::realFilePath( path+"/"+relative_path ); + + if ( !resolved_path.startsWith( path ) ) + { + return false; + } + + + QFile 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() /*|| QFileInfo(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. + QString mediumType = medium.mimeTypePtr()->name(); + QString filename = url.filename(); + QString 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 ); + QString 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, + QString::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; + + NotifierSettings *settings = new NotifierSettings(); + + if ( settings->autoActionForMimetype( medium.mimetype() )==0L ) + { + QValueList<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 *dialog + = new NotificationDialog( medium, settings ); + dialog->show(); + } + } + else + { + NotifierAction *action = settings->autoActionForMimetype( medium.mimetype() ); + action->execute( medium ); + delete settings; + } +} + +extern "C" +{ + KDE_EXPORT KDEDModule *create_medianotifier(const QCString &name) + { + KGlobal::locale()->insertCatalogue("kay"); + return new MediaNotifier(name); + } +} + +#include "medianotifier.moc" |