kmail/antispamconfig.cpp

   1 /*  -*- mode: C++; c-file-style: "gnu" -*-
   2     antispamconfig.cpp
   3
   4     This file is part of KMail, the KDE mail client.
   5     Copyright (c) 2004 Patrick Audley <paudley@blackcat.ca>
   6     Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org>
   7
   8     KMail is free software; you can redistribute it and/or modify
   9     it under the terms of the GNU General Public License as published by
  10     the Free Software Foundation; either version 2 of the License, or
  11     (at your option) any later version.
  12
  13     KMail is distributed in the hope that it will be useful, but
  14     WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  21
  22     In addition, as a special exception, the copyright holders give
  23     permission to link the code of this program with any edition of
  24     the Qt library by Trolltech AS, Norway (or with modified versions
  25     of Qt that use the same license as Qt), and distribute linked
  26     combinations including the two.  You must obey the GNU General
  27     Public License in all respects for all of the code used other than
  28     Qt.  If you modify this file, you may extend this exception to
  29     your version of the file, but you are not obligated to do so.  If
  30     you do not wish to do so, delete this exception statement from
  31     your version.
  32 */
  33
  34 #include "antispamconfig.h"
  35
  36 #include <kascii.h>
  37 #include <kconfig.h>
  38 #include <kconfiggroup.h>
  39 #include <kglobal.h>
  40
  41 #include <QStringList>
  42
  43 using namespace KMail;
  44
  45
  46 namespace KMail {
  47   class AntiSpamConfigSingletonProvider
  48   {
  49     public:
  50       AntiSpamConfig instance;
  51   };
  52 }
  53
  54 K_GLOBAL_STATIC( AntiSpamConfigSingletonProvider, theAntiSpamConfigSingletonProvider )
  55
  56 AntiSpamConfig * AntiSpamConfig::instance()
  57 {
  58   // better safe than sorry; check whether the global static has already been destroyed
  59   if ( theAntiSpamConfigSingletonProvider.isDestroyed() )
  60   {
  61     return 0;
  62   }
  63   return &theAntiSpamConfigSingletonProvider->instance;
  64 }
  65
  66 AntiSpamConfig::AntiSpamConfig()
  67 {
  68   readConfig();
  69 }
  70
  71 void AntiSpamConfig::readConfig()
  72 {
  73   mAgents.clear();
  74   KConfig config( "kmail.antispamrc" );
  75   config.setReadDefaults( true );
  76   KConfigGroup general( &config, "General" );
  77   unsigned int totalTools = general.readEntry( "tools", 0 );
  78   for ( unsigned int i = 1; i <= totalTools; ++i ) {
  79     KConfigGroup tool( &config, QString("Spamtool #%1").arg( i ) );
  80     if ( tool.hasKey( "ScoreHeader" ) ) {
  81       QString name        = tool.readEntry( "ScoreName" );
  82       QByteArray header   = tool.readEntry( "ScoreHeader" ).toLatin1();
  83       QByteArray cheader  = tool.readEntry( "ConfidenceHeader" ).toLatin1();
  84       QByteArray type     = tool.readEntry( "ScoreType" ).toLatin1();
  85       QString score       = tool.readEntryUntranslated( "ScoreValueRegexp" );
  86       QString threshold   = tool.readEntryUntranslated( "ScoreThresholdRegexp" );
  87       QString confidence  = tool.readEntryUntranslated( "ScoreConfidenceRegexp" );
  88       SpamAgentTypes typeE = SpamAgentNone;
  89       if ( kasciistricmp( type.data(), "bool" ) == 0 )
  90         typeE = SpamAgentBool;
  91       else if ( kasciistricmp( type.data(), "decimal" ) == 0 )
  92         typeE = SpamAgentFloat;
  93       else if ( kasciistricmp( type.data(), "percentage" ) == 0 )
  94         typeE = SpamAgentFloatLarge;
  95       else if ( kasciistricmp( type.data(), "adjusted" ) == 0 )
  96         typeE = SpamAgentAdjustedFloat;
  97       mAgents.append( SpamAgent( name, typeE, header, cheader, QRegExp( score ),
  98                                  QRegExp( threshold ), QRegExp( confidence ) ) );
  99     }
 100   }
 101 }
 102
 103 const SpamAgents AntiSpamConfig::uniqueAgents() const
 104 {
 105     QStringList seenAgents;
 106     SpamAgents agents;
 107     SpamAgents::ConstIterator it( mAgents.begin() );
 108     SpamAgents::ConstIterator end( mAgents.end() );
 109     for ( ; it != end ; ++it ) {
 110         const QString agent( ( *it ).name() );
 111         if ( !seenAgents.contains( agent )  ) {
 112             agents.append( *it );
 113             seenAgents.append( agent );
 114         }
 115     }
 116     return agents;
 117 }