runtime/kurifilter-plugins/localdomain/localdomainurifilter.cpp

   1 /*
   2     localdomainfilter.cpp
   3
   4     This file is part of the KDE project
   5     Copyright (C) 2002 Lubos Lunak <llunak@suse.cz>
   6
   7     This program is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "localdomainurifilter.h"
  22
  23 #include <KProcess>
  24 #include <kstandarddirs.h>
  25 #include <kdebug.h>
  26
  27 #include <QtDBus/QtDBus>
  28
  29 #include <QRegExp>
  30 #include <QFile>
  31
  32 #define HOSTPORT_PATTERN "[a-zA-Z0-9][a-zA-Z0-9+-]*(?:\\:[0-9]{1,5})?(?:/[\\w:@&=+$,-.!~*'()]*)*"
  33
  34 /**
  35  * IMPORTANT: If you change anything here, please run the regression test
  36  * ../tests/kurifiltertest
  37  */
  38
  39 LocalDomainUriFilter::LocalDomainUriFilter( QObject *parent, const QVariantList & /*args*/ )
  40     : KUriFilterPlugin( "localdomainurifilter", parent ),
  41       last_time( 0 ),
  42       m_hostPortPattern( QLatin1String(HOSTPORT_PATTERN) )
  43 {
  44     QDBusConnection::sessionBus().connect(QString(), QString(), "org.kde.KUriFilterPlugin",
  45                                 "configure", this, SLOT(configure()));
  46     configure();
  47 }
  48
  49 bool LocalDomainUriFilter::filterUri( KUriFilterData& data ) const
  50 {
  51     const KUrl url = data.uri();
  52     QString cmd = url.url();
  53
  54     //kDebug() << url;
  55
  56     if( m_hostPortPattern.exactMatch( cmd ) &&
  57         isLocalDomainHost( cmd ) )
  58     {
  59         cmd.prepend( QLatin1String("http://") );
  60         setFilteredUri( data, KUrl( cmd ) );
  61         setUriType( data, KUriFilterData::NetProtocol );
  62
  63         kDebug() << "FilteredUri: " << data.uri();
  64         return true;
  65     }
  66
  67     return false;
  68 }
  69
  70 // if it's e.g. just 'www', try if it's a hostname in the local search domain
  71 bool LocalDomainUriFilter::isLocalDomainHost( QString& cmd ) const
  72 {
  73     // find() returns -1 when no match -> left()/truncate() are noops then
  74     QString host( cmd.left( cmd.indexOf( '/' ) ) );
  75     const int pos = host.indexOf(':');
  76     if (pos > -1) {
  77         host.truncate(pos); // Remove port number
  78     }
  79
  80     if( !(host == last_host && last_time > time( NULL ) - 5 ) ) {
  81
  82         QString helper = KStandardDirs::findExe(QLatin1String( "klocaldomainurifilterhelper" ));
  83         if( helper.isEmpty())
  84             return last_result = false;
  85
  86         KProcess proc;
  87         proc.setOutputChannelMode(KProcess::SeparateChannels);
  88         proc << helper << host;
  89         proc.start();
  90         if( !proc.waitForStarted( 1000 ) )
  91             return last_result = false;
  92
  93         last_host = host;
  94         last_time = time( (time_t *)0 );
  95
  96         last_result = proc.waitForFinished( 1000 ) && proc.exitCode() == QProcess::NormalExit;
  97
  98         const QString fullname = QFile::decodeName( proc.readAllStandardOutput() );
  99
 100         if( !fullname.isEmpty() ) {
 101             //kDebug() << "success, replacing" << host << "with" << fullname;
 102             cmd.replace( 0, host.length(), fullname );
 103         }
 104     }
 105
 106     return last_result;
 107 }
 108
 109 void LocalDomainUriFilter::configure()
 110 {
 111     // nothing
 112 }
 113
 114 K_PLUGIN_FACTORY(LocalDomainUriFilterFactory, registerPlugin<LocalDomainUriFilter>();)
 115 K_EXPORT_PLUGIN(LocalDomainUriFilterFactory("kcmkurifilt"))
 116
 117 #include "localdomainurifilter.moc"