summaryrefslogtreecommitdiffstats
path: root/kmail/kmfilter.cpp
blob: df6a55430d70dba6e7b4f200da037c541a8fc3e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
/*
 * kmail: KDE mail client
 * Copyright (c) 1996-1998 Stefan Taferner <taferner@kde.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "kmfilter.h"
#include "kmkernel.h"
#include "accountmanager.h"
using KMail::AccountManager;
#include "kmacctimap.h"
#include "kmfilteraction.h"
#include "kmglobal.h"
#include "filterlog.h"
using KMail::FilterLog;

#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kdebug.h>
#include <tdeconfig.h>

#include <assert.h>


KMFilter::KMFilter( TDEConfig* aConfig, bool popFilter )
  : bPopFilter(popFilter)
{
  if (!bPopFilter)
    mActions.setAutoDelete( true );

  if ( aConfig )
    readConfig( aConfig );
  else if ( bPopFilter )
    mAction = Down;
  else {
    bApplyOnInbound = true;
    bApplyOnOutbound = false;
    bApplyOnExplicit = true;
    bStopProcessingHere = true;
    bConfigureShortcut = false;
    bConfigureToolbar = false;
    bAutoNaming = true;
    mApplicability = All;
  }
}


KMFilter::KMFilter( const KMFilter & aFilter )
{
  bPopFilter = aFilter.isPopFilter();

  if ( !bPopFilter )
    mActions.setAutoDelete( true );

  mPattern = aFilter.mPattern;

  if ( bPopFilter ){
    mAction = aFilter.mAction;
  } else {
    bApplyOnInbound = aFilter.applyOnInbound();
    bApplyOnOutbound = aFilter.applyOnOutbound();
    bApplyOnExplicit = aFilter.applyOnExplicit();
    bStopProcessingHere = aFilter.stopProcessingHere();
    bConfigureShortcut = aFilter.configureShortcut();
    bConfigureToolbar = aFilter.configureToolbar();
    mApplicability = aFilter.applicability();
    mIcon = aFilter.icon();
    mShortcut = aFilter.shortcut();

    TQPtrListIterator<KMFilterAction> it( aFilter.mActions );
    for ( it.toFirst() ; it.current() ; ++it ) {
      KMFilterActionDesc *desc = (*kmkernel->filterActionDict())[ (*it)->name() ];
      if ( desc ) {
        KMFilterAction *f = desc->create();
        if ( f ) {
          f->argsFromString( (*it)->argsAsString() );
          mActions.append( f );
        }
      }
    }

    mAccounts.clear();
    TQValueListConstIterator<int> it2;
    for ( it2 = aFilter.mAccounts.begin() ; it2 != aFilter.mAccounts.end() ; ++it2 )
      mAccounts.append( *it2 );
  }
}

// only for !bPopFilter
KMFilter::ReturnCode KMFilter::execActions( KMMessage* msg, bool& stopIt ) const
{
  ReturnCode status = NoResult;

  TQPtrListIterator<KMFilterAction> it( mActions );
  for ( it.toFirst() ; it.current() ; ++it ) {

    if ( FilterLog::instance()->isLogging() ) {
      TQString logText( i18n( "<b>Applying filter action:</b> %1" )
                       .arg( (*it)->displayString() ) );
      FilterLog::instance()->add( logText, FilterLog::appliedAction );
    }

    KMFilterAction::ReturnCode result = (*it)->process( msg );

    switch ( result ) {
    case KMFilterAction::CriticalError:
      if ( FilterLog::instance()->isLogging() ) {
        TQString logText = TQString( "<font color=#FF0000>%1</font>" )
          .arg( i18n( "A critical error occurred. Processing stops here." ) );
        FilterLog::instance()->add( logText, FilterLog::appliedAction );
      }
      // in case it's a critical error: return immediately!
      return CriticalError;
    case KMFilterAction::ErrorButGoOn:
      if ( FilterLog::instance()->isLogging() ) {
        TQString logText = TQString( "<font color=#FF0000>%1</font>" )
          .arg( i18n( "A problem was found while applying this action." ) );
        FilterLog::instance()->add( logText, FilterLog::appliedAction );
      }
    default:
      break;
    }
  }

  if ( status == NoResult ) // No filters matched, keep copy of message
    status = GoOn;

  stopIt = stopProcessingHere();

  return status;
}

bool KMFilter::requiresBody( KMMsgBase* msg )
{
  if (pattern() && pattern()->requiresBody())
    return true; // no pattern means always matches?
  TQPtrListIterator<KMFilterAction> it( *actions() );
  for ( it.toFirst() ; it.current() ; ++it )
    if ((*it)->requiresBody( msg ))
      return true;
  return false;
}

/** No descriptions */
// only for bPopFilter
void KMFilter::setAction(const KMPopFilterAction aAction)
{
  mAction = aAction;
}

// only for bPopFilter
KMPopFilterAction KMFilter::action()
{
  return mAction;
}

// only for !bPopFilter
bool KMFilter::folderRemoved( KMFolder* aFolder, KMFolder* aNewFolder )
{
  bool rem = false;

  TQPtrListIterator<KMFilterAction> it( mActions );
  for ( it.toFirst() ; it.current() ; ++it )
    if ( (*it)->folderRemoved( aFolder, aNewFolder ) )
      rem = true;

  return rem;
}

void KMFilter::setApplyOnAccount( uint id, bool aApply )
{
  if (aApply && !mAccounts.contains( id )) {
    mAccounts.append( id );
  } else if (!aApply && mAccounts.contains( id )) {
    mAccounts.remove( id );
  }
}

bool KMFilter::applyOnAccount( uint id ) const
{
  if ( applicability() == All )
    return true;
  if ( applicability() == ButImap ) {
    KMAccount *account = kmkernel->acctMgr()->find( id );
    bool result =  account && !dynamic_cast<KMAcctImap*>(account);
    return result;
  }
  if ( applicability() == Checked )
    return mAccounts.contains( id );

  return false;
}


//-----------------------------------------------------------------------------
void KMFilter::readConfig(TDEConfig* config)
{
  // MKSearchPattern::readConfig ensures
  // that the pattern is purified.
  mPattern.readConfig(config);

  if (bPopFilter) {
    // get the action description...
    TQString action = config->readEntry( "action" );
    if ( action == "down" )
      mAction = Down;
    else if ( action == "later" )
      mAction = Later;
    else if ( action == "delete" )
      mAction = Delete;
    else
      mAction = NoAction;
  }
  else {
    TQStringList sets = config->readListEntry("apply-on");
    if ( sets.isEmpty() && !config->hasKey("apply-on") ) {
      bApplyOnOutbound = false;
      bApplyOnInbound = true;
      bApplyOnExplicit = true;
      mApplicability = ButImap;
    } else {
      bApplyOnInbound = bool(sets.contains("check-mail"));
      bApplyOnOutbound = bool(sets.contains("send-mail"));
      bApplyOnExplicit = bool(sets.contains("manual-filtering"));
      mApplicability = (AccountType)config->readNumEntry( "Applicability", ButImap );
    }

    bStopProcessingHere = config->readBoolEntry("StopProcessingHere", true);
    bConfigureShortcut = config->readBoolEntry("ConfigureShortcut", false);
    TQString shortcut( config->readEntry( "Shortcut" ) );
    if ( !shortcut.isEmpty() ) {
      TDEShortcut sc( shortcut );
      setShortcut( sc );
    }
    bConfigureToolbar = config->readBoolEntry("ConfigureToolbar", false);
    bConfigureToolbar = bConfigureToolbar && bConfigureShortcut;
    mIcon = config->readEntry( "Icon", "gear" );
    bAutoNaming = config->readBoolEntry("AutomaticName", false);

    int i, numActions;
    TQString actName, argsName;

    mActions.clear();

    numActions = config->readNumEntry("actions",0);
    if (numActions > FILTER_MAX_ACTIONS) {
      numActions = FILTER_MAX_ACTIONS ;
      KMessageBox::information( 0, i18n("<qt>Too many filter actions in filter rule <b>%1</b>.</qt>").arg( mPattern.name() ) );
    }

    for ( i=0 ; i < numActions ; i++ ) {
      actName.sprintf("action-name-%d", i);
      argsName.sprintf("action-args-%d", i);
      // get the action description...
      KMFilterActionDesc *desc = (*kmkernel->filterActionDict())[ config->readEntry( actName ) ];
      if ( desc ) {
        //...create an instance...
        KMFilterAction *fa = desc->create();
        if ( fa ) {
          //...load it with it's parameter...
          fa->argsFromString( config->readEntry( argsName ) );
          //...check if it's emoty and...
          if ( !fa->isEmpty() )
            //...append it if it's not and...
            mActions.append( fa );
          else
            //...delete is else.
            delete fa;
        }
      } else
        KMessageBox::information( 0 /* app-global modal dialog box */,
                                  i18n("<qt>Unknown filter action <b>%1</b><br>in filter rule <b>%2</b>.<br>Ignoring it.</qt>")
                                       .arg( config->readEntry( actName ) ).arg( mPattern.name() ) );
    }

    mAccounts = config->readIntListEntry( "accounts-set" );
  }
}


void KMFilter::writeConfig(TDEConfig* config) const
{
  mPattern.writeConfig(config);

  if (bPopFilter) {
    switch ( mAction ) {
    case Down:
      config->writeEntry( "action", "down" );
      break;
    case Later:
      config->writeEntry( "action", "later" );
      break;
    case Delete:
      config->writeEntry( "action", "delete" );
      break;
    default:
      config->writeEntry( "action", "" );
    }
  } else {
    TQStringList sets;
    if ( bApplyOnInbound )
      sets.append( "check-mail" );
    if ( bApplyOnOutbound )
      sets.append( "send-mail" );
    if ( bApplyOnExplicit )
      sets.append( "manual-filtering" );
    config->writeEntry( "apply-on", sets );

    config->writeEntry( "StopProcessingHere", bStopProcessingHere );
    config->writeEntry( "ConfigureShortcut", bConfigureShortcut );
    if ( !mShortcut.isNull() )
      config->writeEntry( "Shortcut", mShortcut.toString() );
    config->writeEntry( "ConfigureToolbar", bConfigureToolbar );
    config->writeEntry( "Icon", mIcon );
    config->writeEntry( "AutomaticName", bAutoNaming );
    config->writeEntry( "Applicability", mApplicability );

    TQString key;
    int i;

    TQPtrListIterator<KMFilterAction> it( mActions );
    for ( i=0, it.toFirst() ; it.current() ; ++it, ++i ) {
      config->writeEntry( key.sprintf("action-name-%d", i),
                          (*it)->name() );
      config->writeEntry( key.sprintf("action-args-%d", i),
                          (*it)->argsAsString() );
    }
    config->writeEntry( "actions", i );
    config->writeEntry( "accounts-set", mAccounts );
  }
}

void KMFilter::purify()
{
  mPattern.purify();

  if (!bPopFilter) {
    TQPtrListIterator<KMFilterAction> it( mActions );
    it.toLast();
    while ( it.current() )
      if ( (*it)->isEmpty() )
        mActions.remove ( (*it) );
      else
        --it;

    // Remove invalid accounts from mAccounts - just to be tidy
    TQValueListIterator<int> it2 = mAccounts.begin();
    while ( it2 != mAccounts.end() ) {
      if ( !kmkernel->acctMgr()->find( *it2 ) )
         it2 = mAccounts.remove( it2 );
      else
         ++it2;
    }
  }
}

bool KMFilter::isEmpty() const
{
  if (bPopFilter)
    return mPattern.isEmpty();
  else
    return mPattern.isEmpty() && mActions.isEmpty() && mAccounts.isEmpty();
}

#ifndef NDEBUG
const TQString KMFilter::asString() const
{
  TQString result;

  result += mPattern.asString();

  if (bPopFilter){
    result += "    action: ";
    result += mAction;
    result += "\n";
  }
  else {
    TQPtrListIterator<KMFilterAction> it( mActions );
    for ( it.toFirst() ; it.current() ; ++it ) {
      result += "    action: ";
      result += (*it)->label();
      result += " ";
      result += (*it)->argsAsString();
      result += "\n";
    }
    result += "This filter belongs to the following sets:";
    if ( bApplyOnInbound )
      result += " Inbound";
    if ( bApplyOnOutbound )
      result += " Outbound";
    if ( bApplyOnExplicit )
      result += " Explicit";
    result += "\n";
    if ( bApplyOnInbound && mApplicability == All ) {
      result += "This filter applies to all accounts.\n";
    } else if ( bApplyOnInbound && mApplicability == ButImap ) {
      result += "This filter applies to all but online IMAP accounts.\n";
    } else if ( bApplyOnInbound ) {
      TQValueListConstIterator<int> it2;
      result += "This filter applies to the following accounts:";
      if ( mAccounts.isEmpty() )
        result += " None";
      else for ( it2 = mAccounts.begin() ; it2 != mAccounts.end() ; ++it2 )
        if ( kmkernel->acctMgr()->find( *it2 ) )
          result += " " + kmkernel->acctMgr()->find( *it2 )->name();
      result += "\n";
    }
    if ( bStopProcessingHere )
      result += "If it matches, processing stops at this filter.\n";
  }
  return result;
}
#endif