kio

kfilesharedlg.cpp

00001 /* This file is part of the KDE project
00002    Copyright (c) 2001 David Faure <david@mandrakesoft.com>
00003    Copyright (c) 2001 Laurent Montel <lmontel@mandrakesoft.com>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License version 2 as published by the Free Software Foundation.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "kfilesharedlg.h"
00021 #include <qvbox.h>
00022 #include <qlabel.h>
00023 #include <qdir.h>
00024 #include <qradiobutton.h>
00025 #include <qbuttongroup.h>
00026 #include <qlayout.h>
00027 #include <kprocess.h>
00028 #include <kprocio.h>
00029 #include <klocale.h>
00030 #include <kglobalsettings.h>
00031 #include <kstandarddirs.h>
00032 #include <kdebug.h>
00033 #include <stdio.h>
00034 #include <stdlib.h>
00035 #include <errno.h>
00036 #include <kio/kfileshare.h>
00037 #include <kseparator.h>
00038 #include <qpushbutton.h>
00039 #include <kapplication.h>
00040 #include <ksimpleconfig.h>
00041 #include <kmessagebox.h>
00042 
00043 class KFileSharePropsPlugin::Private
00044 {
00045 public:
00046     QVBox *m_vBox;
00047     KProcess *m_configProc;
00048     bool m_bAllShared;
00049     bool m_bAllUnshared;
00050 };
00051 
00052 KFileSharePropsPlugin::KFileSharePropsPlugin( KPropertiesDialog *_props )
00053     : KPropsDlgPlugin( _props )
00054 {
00055     d = new Private;
00056     d->m_vBox = _props->addVBoxPage( i18n("&Share") );
00057     d->m_configProc = 0;
00058     properties->setFileSharingPage(d->m_vBox);
00059     m_widget = 0L;
00060     init();
00061 }
00062 
00063 KFileSharePropsPlugin::~KFileSharePropsPlugin()
00064 {
00065     if (d->m_configProc)
00066         d->m_configProc->detach(); // Detach to prevent that we kill the process
00067     delete d;
00068 }
00069 
00070 bool KFileSharePropsPlugin::supports( const KFileItemList& items )
00071 {
00072     // Do not show dialog if in advanced mode,
00073     // because the advanced dialog is shown already.
00074     if (KFileShare::shareMode() == KFileShare::Advanced) {
00075         kdDebug() << "KFileSharePropsPlugin::supports: false because sharemode is advanced" << endl;
00076         return false;
00077     }
00078 
00079     KFileItemListIterator it( items );
00080     for ( ; it.current(); ++it )
00081     {
00082         bool isLocal = ( *it )->isLocalFile();
00083         // We only support local dirs
00084         if ( !(*it)->isDir() || !isLocal )
00085             return false;
00086         // And sharing the trash doesn't make sense
00087         if ( isLocal && (*it)->url().path( 1 ) == KGlobalSettings::trashPath() )
00088             return false;
00089     }
00090     return true;
00091 }
00092 
00093 void KFileSharePropsPlugin::init()
00094 {
00095     // We store the main widget, so that it's possible (later) to call init()
00096     // more than once, to update the page if something changed (e.g. after
00097     // the user has been authorized)
00098     delete m_widget;
00099     m_rbShare = 0L;
00100     m_rbUnShare = 0L;
00101     m_widget = new QWidget( d->m_vBox );
00102     QVBoxLayout * vbox = new QVBoxLayout( m_widget );
00103 
00104     switch ( KFileShare::authorization() ) {
00105     case KFileShare::Authorized:
00106     {
00107         // Check if all selected dirs are in $HOME
00108         QString home = QDir::homeDirPath();
00109         if ( home[home.length()-1] != '/' )
00110             home += '/';
00111         bool ok = true;
00112         KFileItemList items = properties->items();
00113         // We have 3 possibilities: all shared, all unshared, or mixed.
00114         d->m_bAllShared = true;
00115         d->m_bAllUnshared = true;
00116         KFileItemListIterator it( items );
00117         for ( ; it.current() && ok; ++it ) {
00118             QString path = (*it)->url().path();
00119             if ( !path.startsWith( home ) )
00120                 ok = false;
00121             if ( KFileShare::isDirectoryShared( path ) )
00122                 d->m_bAllUnshared = false;
00123             else
00124                 d->m_bAllShared = false;
00125         }
00126         if ( !ok )
00127         {
00128             vbox->addWidget( new QLabel( i18n( "Only folders in your home folder can be shared."),
00129                                          m_widget ), 0 );
00130         }
00131         else
00132         {
00133             // Everything ok, show the share/unshare GUI
00134             vbox->setSpacing( KDialog::spacingHint() );
00135             vbox->setMargin( KDialog::marginHint() );
00136 
00137             QButtonGroup *rbGroup = new QButtonGroup( m_widget );
00138             rbGroup->hide();
00139             m_rbUnShare = new QRadioButton( i18n("Not shared"), m_widget );
00140             connect( m_rbUnShare, SIGNAL( toggled(bool) ), SIGNAL( changed() ) );
00141             vbox->addWidget( m_rbUnShare, 0 );
00142             rbGroup->insert( m_rbUnShare );
00143 
00144             m_rbShare = new QRadioButton( i18n("Shared"), m_widget );
00145             connect( m_rbShare, SIGNAL( toggled(bool) ), SIGNAL( changed() ) );
00146             vbox->addWidget( m_rbShare, 0 );
00147             rbGroup->insert( m_rbShare );
00148 
00149             // Activate depending on status
00150             if ( d->m_bAllShared )
00151                 m_rbShare->setChecked(true);
00152             if ( d->m_bAllUnshared )
00153                 m_rbUnShare->setChecked(true);
00154 
00155             // Some help text
00156             QLabel *label = new QLabel( i18n("Sharing this folder makes it available under Linux/UNIX (NFS) and Windows (Samba).") , m_widget );
00157             label->setAlignment( Qt::AlignAuto | Qt::AlignVCenter | Qt::WordBreak );
00158             vbox->addWidget( label, 0 );
00159 
00160         KSeparator* sep=new KSeparator(m_widget);
00161         vbox->addWidget( sep, 0 );
00162         label = new QLabel( i18n("You can also reconfigure file sharing authorization.") , m_widget );
00163             label->setAlignment( Qt::AlignAuto | Qt::AlignVCenter | Qt::WordBreak );
00164         vbox->addWidget( label, 0 );
00165         m_pbConfig = new QPushButton( i18n("Configure File Sharing..."), m_widget );
00166         connect( m_pbConfig, SIGNAL( clicked() ), SLOT( slotConfigureFileSharing() ) );
00167         vbox->addWidget( m_pbConfig, 0, Qt::AlignHCenter );
00168 
00169             vbox->addStretch( 10 );
00170         }
00171     }
00172     break;
00173     case KFileShare::ErrorNotFound:
00174         vbox->addWidget( new QLabel( i18n("Error running 'filesharelist'. Check if installed and in $PATH or /usr/sbin."),
00175                     m_widget ), 0 );
00176         break;
00177     case KFileShare::UserNotAllowed:
00178     {
00179         vbox->setSpacing( 10 );
00180         if (KFileShare::sharingEnabled()) {
00181           vbox->addWidget( new QLabel( i18n("You need to be authorized to share folders."),
00182                     m_widget ), 0 );
00183         } else {
00184           vbox->addWidget( new QLabel( i18n("File sharing is disabled."),
00185                     m_widget ), 0 );
00186         }
00187         QHBoxLayout* hBox = new QHBoxLayout( (QWidget *)0L );
00188         vbox->addLayout( hBox, 0 );
00189         m_pbConfig = new QPushButton( i18n("Configure File Sharing..."), m_widget );
00190         connect( m_pbConfig, SIGNAL( clicked() ), SLOT( slotConfigureFileSharing() ) );
00191         hBox->addWidget( m_pbConfig, 0, Qt::AlignHCenter );
00192         vbox->addStretch( 10 ); // align items on top
00193         break;
00194     }
00195     case KFileShare::NotInitialized:
00196         kdWarning() << "KFileShare Authorization still NotInitialized after calling authorization() - impossible" << endl;
00197         break;
00198     }
00199     m_widget->show(); // In case the dialog was shown already.
00200 }
00201 
00202 void KFileSharePropsPlugin::slotConfigureFileSharing()
00203 {
00204     if (d->m_configProc) return;
00205 
00206     d->m_configProc = new KProcess(this);
00207     (*d->m_configProc) << KStandardDirs::findExe("kdesu") << locate("exe", "kcmshell") << "fileshare";
00208     if (!d->m_configProc->start( KProcess::NotifyOnExit ))
00209     {
00210        delete d->m_configProc;
00211        d->m_configProc = 0;
00212        return;
00213     }
00214     connect(d->m_configProc, SIGNAL(processExited(KProcess *)),
00215             this, SLOT(slotConfigureFileSharingDone()));
00216     m_pbConfig->setEnabled(false);
00217 }
00218 
00219 void KFileSharePropsPlugin::slotConfigureFileSharingDone()
00220 {
00221     delete d->m_configProc;
00222     d->m_configProc = 0;
00223     KFileShare::readConfig();
00224     KFileShare::readShareList();
00225     init();
00226 }
00227 
00228 void KFileSharePropsPlugin::applyChanges()
00229 {
00230     kdDebug() << "KFileSharePropsPlugin::applyChanges" << endl;
00231     if ( m_rbShare && m_rbUnShare )
00232     {
00233         bool share = m_rbShare->isChecked();
00234 
00235         if (share && d->m_bAllShared)
00236            return; // Nothing to do
00237         if (!share && d->m_bAllUnshared)
00238            return; // Nothing to do
00239           
00240         KFileItemList items = properties->items();
00241         KFileItemListIterator it( items );
00242         bool ok = true;
00243         for ( ; it.current() && ok; ++it ) {
00244              QString path = (*it)->url().path();
00245              ok = setShared( path, share );
00246              if (!ok) {
00247                 if (share)
00248                   KMessageBox::detailedError(properties,
00249                     i18n("Sharing folder '%1' failed.").arg(path),
00250                     i18n("An error occurred while trying to share folder '%1'. "
00251                          "Make sure that the Perl script 'fileshareset' is set suid root.")
00252                          .arg(path));
00253                 else
00254                   KMessageBox::error(properties,
00255                     i18n("Unsharing folder '%1' failed.").arg(path),
00256                     i18n("An error occurred while trying to unshare folder '%1'. "
00257                          "Make sure that the Perl script 'fileshareset' is set suid root.")
00258                          .arg(path));
00259 
00260                 properties->abortApplying();
00261                 break;
00262              }
00263         }
00264 
00265         // Get the change back into our cached info
00266         KFileShare::readShareList();
00267     }
00268 }
00269 
00270 bool KFileSharePropsPlugin::setShared( const QString& path, bool shared )
00271 {
00272     kdDebug() << "KFileSharePropsPlugin::setShared " << path << "," << shared << endl;
00273     return KFileShare::setShared( path, shared );
00274 }
00275 
00276 QWidget* KFileSharePropsPlugin::page() const
00277 {
00278     return d->m_vBox;
00279 }
00280 
00281 #include "kfilesharedlg.moc"
00282 
00283 //TODO: do we need to monitor /etc/security/fileshare.conf ?
00284 // if the user is added to the 'fileshare' group, we wouldn't be notified
00285 // Of course the config module can notify us.
00286 // TODO: listen to such notifications ;)
kio

kfilesharedlg.cpp

kio

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