main.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
00003    Copyright (C)       2000 David Faure <faure@kde.org>
00004    Copyright (C)       2001 Waldo Bastian <bastian@kde.org>
00005 
00006    This program is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU General Public
00008    License as published by the Free Software Foundation; either
00009    version 2 of the License, or (at your option) any later version.
00010 
00011    This program is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     General Public License for more details.
00015 
00016    You should have received a copy of the GNU General Public License
00017    along with this program; see the file COPYING.  If not, write to
00018    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019    Boston, MA 02110-1301, USA.
00020 */
00021 
00022 #include <config.h>
00023 #include <unistd.h>
00024 #include <stdlib.h>
00025 #include <sys/stat.h>
00026 
00027 #include <qfile.h>
00028 
00029 #include <kapplication.h>
00030 #include <kstandarddirs.h>
00031 #include <kdebug.h>
00032 #include <kmessagebox.h>
00033 #include <kio/job.h>
00034 #include <krun.h>
00035 #include <kio/netaccess.h>
00036 #include <kprocess.h>
00037 #include <kservice.h>
00038 #include <klocale.h>
00039 #include <kcmdlineargs.h>
00040 #include <kaboutdata.h>
00041 #include <kstartupinfo.h>
00042 #include <kshell.h>
00043 #include <kde_file.h>
00044 
00045 
00046 #include "main.h"
00047 
00048 
00049 static const char description[] =
00050         I18N_NOOP("KIO Exec - Opens remote files, watches modifications, asks for upload");
00051 
00052 static KCmdLineOptions options[] =
00053 {
00054    { "tempfiles", I18N_NOOP("Treat URLs as local files and delete them afterwards"), 0 },
00055    { "suggestedfilename <file name>", I18N_NOOP("Suggested file name for the downloaded file"), 0 },
00056    { "+command", I18N_NOOP("Command to execute"), 0 },
00057    { "+[URLs]", I18N_NOOP("URL(s) or local file(s) used for 'command'"), 0 },
00058    KCmdLineLastOption
00059 };
00060 
00061 
00062 int jobCounter = 0;
00063 
00064 QPtrList<KIO::Job>* jobList = 0L;
00065 
00066 KIOExec::KIOExec()
00067 {
00068     jobList = new QPtrList<KIO::Job>;
00069     jobList->setAutoDelete( false ); // jobs autodelete themselves
00070 
00071     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
00072     if (args->count() < 1)
00073         KCmdLineArgs::usage(i18n("'command' expected.\n"));
00074 
00075     tempfiles = args->isSet("tempfiles");
00076     if ( args->isSet( "suggestedfilename" ) )
00077         suggestedFileName = QString::fromLocal8Bit( args->getOption( "suggestedfilename" ) );
00078     expectedCounter = 0;
00079     command = args->arg(0);
00080     kdDebug() << "command=" << command << endl;
00081 
00082     for ( int i = 1; i < args->count(); i++ )
00083     {
00084         KURL url = args->url(i);
00085         //kdDebug() << "url=" << url.url() << " filename=" << url.fileName() << endl;
00086         // A local file, not an URL ?
00087         // => It is not encoded and not shell escaped, too.
00088         if ( url.isLocalFile() )
00089         {
00090             fileInfo file;
00091             file.path = url.path();
00092             file.url = url;
00093             fileList.append(file);
00094         }
00095         // It is an URL
00096         else
00097         {
00098             if ( !url.isValid() )
00099                 KMessageBox::error( 0L, i18n( "The URL %1\nis malformed" ).arg( url.url() ) );
00100             else if ( tempfiles )
00101                 KMessageBox::error( 0L, i18n( "Remote URL %1\nnot allowed with --tempfiles switch" ).arg( url.url() ) );
00102             else
00103             // We must fetch the file
00104             {
00105                 QString fileName = KIO::encodeFileName( url.fileName() );
00106                 if ( !suggestedFileName.isEmpty() )
00107                     fileName = suggestedFileName;
00108                 // Build the destination filename, in ~/.kde/cache-*/krun/
00109                 // Unlike KDE-1.1, we put the filename at the end so that the extension is kept
00110                 // (Some programs rely on it)
00111                 QString tmp = KGlobal::dirs()->saveLocation( "cache", "krun/" ) +
00112                               QString("%1.%2.%3").arg(getpid()).arg(jobCounter++).arg(fileName);
00113                 fileInfo file;
00114                 file.path = tmp;
00115                 file.url = url;
00116                 fileList.append(file);
00117 
00118                 expectedCounter++;
00119                 KURL dest;
00120                 dest.setPath( tmp );
00121                 kdDebug() << "Copying " << url.prettyURL() << " to " << dest << endl;
00122                 KIO::Job *job = KIO::file_copy( url, dest );
00123                 jobList->append( job );
00124 
00125                 connect( job, SIGNAL( result( KIO::Job * ) ), SLOT( slotResult( KIO::Job * ) ) );
00126             }
00127         }
00128     }
00129     args->clear();
00130 
00131     if ( tempfiles ) {
00132         // #113991
00133         QTimer::singleShot( 0, this, SLOT( slotRunApp() ) );
00134         //slotRunApp(); // does not return
00135         return;
00136     }
00137 
00138     counter = 0;
00139     if ( counter == expectedCounter )
00140         slotResult( 0L );
00141 }
00142 
00143 void KIOExec::slotResult( KIO::Job * job )
00144 {
00145     if (job && job->error())
00146     {
00147         // That error dialog would be queued, i.e. not immediate...
00148         //job->showErrorDialog();
00149         if ( (job->error() != KIO::ERR_USER_CANCELED) )
00150             KMessageBox::error( 0L, job->errorString() );
00151 
00152         QString path = static_cast<KIO::FileCopyJob*>(job)->destURL().path();
00153 
00154         QValueList<fileInfo>::Iterator it = fileList.begin();
00155         for(;it != fileList.end(); ++it)
00156         {
00157            if ((*it).path == path)
00158               break;
00159         }
00160 
00161         if ( it != fileList.end() )
00162            fileList.remove( it );
00163         else
00164            kdDebug() <<  static_cast<KIO::FileCopyJob*>(job)->destURL().path() << " not found in list" << endl;
00165     }
00166 
00167     counter++;
00168 
00169     if ( counter < expectedCounter )
00170         return;
00171 
00172     kdDebug() << "All files downloaded, will call slotRunApp shortly" << endl;
00173     // We know we can run the app now - but let's finish the job properly first.
00174     QTimer::singleShot( 0, this, SLOT( slotRunApp() ) );
00175 
00176     jobList->clear();
00177 }
00178 
00179 void KIOExec::slotRunApp()
00180 {
00181     if ( fileList.isEmpty() ) {
00182         kdDebug() << k_funcinfo << "No files downloaded -> exiting" << endl;
00183         exit(1);
00184     }
00185 
00186     KService service("dummy", command, QString::null);
00187 
00188     KURL::List list;
00189     // Store modification times
00190     QValueList<fileInfo>::Iterator it = fileList.begin();
00191     for ( ; it != fileList.end() ; ++it )
00192     {
00193         KDE_struct_stat buff;
00194         (*it).time = KDE_stat( QFile::encodeName((*it).path), &buff ) ? 0 : buff.st_mtime;
00195         KURL url;
00196         url.setPath((*it).path);
00197         list << url;
00198     }
00199 
00200     QStringList params = KRun::processDesktopExec(service, list, false /*no shell*/);
00201 
00202     kdDebug() << "EXEC " << KShell::joinArgs( params ) << endl;
00203 
00204 #ifdef Q_WS_X11
00205     // propagate the startup indentification to the started process
00206     KStartupInfoId id;
00207     id.initId( kapp->startupId());
00208     id.setupStartupEnv();
00209 #endif
00210 
00211     KProcess proc;
00212     proc << params;
00213     proc.start( KProcess::Block );
00214 
00215 #ifdef Q_WS_X11
00216     KStartupInfo::resetStartupEnv();
00217 #endif
00218 
00219     kdDebug() << "EXEC done" << endl;
00220 
00221     // Test whether one of the files changed
00222     it = fileList.begin();
00223     for( ;it != fileList.end(); ++it )
00224     {
00225         KDE_struct_stat buff;
00226         QString src = (*it).path;
00227         KURL dest = (*it).url;
00228         if ( (KDE_stat( QFile::encodeName(src), &buff ) == 0) &&
00229              ((*it).time != buff.st_mtime) )
00230         {
00231             if ( tempfiles )
00232             {
00233                 if ( KMessageBox::questionYesNo( 0L,
00234                                                  i18n( "The supposedly temporary file\n%1\nhas been modified.\nDo you still want to delete it?" ).arg(dest.prettyURL()),
00235                                                  i18n( "File Changed" ), KStdGuiItem::del(), i18n("Do Not Delete") ) != KMessageBox::Yes )
00236                     continue; // don't delete the temp file
00237             }
00238             else
00239             {
00240                 if ( KMessageBox::questionYesNo( 0L,
00241                                                  i18n( "The file\n%1\nhas been modified.\nDo you want to upload the changes?" ).arg(dest.prettyURL()),
00242                                                  i18n( "File Changed" ), i18n("Upload"), i18n("Do Not Upload") ) == KMessageBox::Yes )
00243                 {
00244                     kdDebug() << QString("src='%1'  dest='%2'").arg(src).arg(dest.url()).ascii() << endl;
00245                     // Do it the synchronous way.
00246                     if ( !KIO::NetAccess::upload( src, dest, 0 ) )
00247                     {
00248                         KMessageBox::error( 0L, KIO::NetAccess::lastErrorString() );
00249                         continue; // don't delete the temp file
00250                     }
00251                 }
00252             }
00253         }
00254         else
00255         {
00256             // don't upload (and delete!) local files
00257             if (!tempfiles && dest.isLocalFile())
00258                 continue;
00259         }
00260         unlink( QFile::encodeName(src) );
00261     }
00262 
00263     //kapp->quit(); not efficient enough
00264     exit(0);
00265 }
00266 
00267 int main( int argc, char **argv )
00268 {
00269     KAboutData aboutData( "kioexec", I18N_NOOP("KIOExec"),
00270         VERSION, description, KAboutData::License_GPL,
00271         "(c) 1998-2000,2003 The KFM/Konqueror Developers");
00272     aboutData.addAuthor("David Faure",0, "faure@kde.org");
00273     aboutData.addAuthor("Stephan Kulow",0, "coolo@kde.org");
00274     aboutData.addAuthor("Bernhard Rosenkraenzer",0, "bero@arklinux.org");
00275     aboutData.addAuthor("Waldo Bastian",0, "bastian@kde.org");
00276     aboutData.addAuthor("Oswald Buddenhagen",0, "ossi@kde.org");
00277 
00278     KCmdLineArgs::init( argc, argv, &aboutData );
00279     KCmdLineArgs::addCmdLineOptions( options );
00280 
00281     KApplication app;
00282 
00283     KIOExec exec;
00284 
00285     kdDebug() << "Constructor returned..." << endl;
00286     return app.exec();
00287 }
00288 
00289 #include "main.moc"
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