summaryrefslogtreecommitdiffstats
path: root/ark/arch.cpp
blob: 8ff6a2b32f44282e74c6c7bffeddb0dace479303 (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
/*

 ark -- archiver for the KDE project

 Copyright (C)

 2002: Helio Chissini de Castro <helio@conectiva.com.br>
 2001: Corel Corporation (author: Michael Jarrett, michaelj@corel.com)
 1999-2000: Corel Corporation (author: Emily Ezust, emilye@corel.com)
 1999: Francois-Xavier Duranceau duranceau@kde.org
 1997-1999: Rob Palmbos palm9744@kettering.edu

 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.

*/

// C includes
#include <stdlib.h>
#include <time.h>

// QT includes
#include <qapplication.h>
#include <qfile.h>

// KDE includes
#include <kdebug.h>
#include <kmessagebox.h>
#include <kmimetype.h>
#include <klocale.h>
#include <kpassdlg.h>
#include <kprocess.h>
#include <kstandarddirs.h>

// ark includes
#include "arch.h"
#include "arkwidget.h"
#include "arkutils.h"
#include "filelistview.h"

// the archive types
#include "tar.h"
#include "zip.h"
#include "lha.h"
#include "compressedfile.h"
#include "zoo.h"
#include "rar.h"
#include "ar.h"
#include "sevenzip.h"
#include "ace.h"

Arch::ArchColumns::ArchColumns( int col, QRegExp reg, int length, bool opt )
  : colRef( col ), pattern( reg ), maxLength( length ), optional( opt )
{
}

Arch::Arch( ArkWidget *gui, const QString &filename )
  : m_filename( filename ), m_buffer( "" ), m_gui( gui ),
    m_bReadOnly( false ), m_bNotifyWhenDeleteFails( true ),
    m_header_removed( false ), m_finished( false ),
    m_numCols( 0 ), m_dateCol( -1 ), m_fixYear( -1 ), m_fixMonth( -1 ),
    m_fixDay( -1 ), m_fixTime( -1 ), m_repairYear( -1 ), m_repairMonth( -1 ),
    m_repairTime( -1 ), m_currentProcess( 0 )
{
  m_archCols.setAutoDelete( true ); // To check: it still leaky here???
}

Arch::~Arch()
{
    if ( m_currentProcess )
        m_currentProcess->kill();
}

//Check if a compress utility exists
void Arch::verifyCompressUtilityIsAvailable( const QString &utility )
{
  // see if the utility is in the PATH of the user.
  QString cmd = KGlobal::dirs()->findExe( utility );
  m_bArchUtilityIsAvailable = !cmd.isEmpty();
}

//Check if a utility can uncompress files
void Arch::verifyUncompressUtilityIsAvailable( const QString &utility )
{
  // see if the utility is in the PATH of the user.
  QString cmd = KGlobal::dirs()->findExe( utility );
  m_bUnarchUtilityIsAvailable = !cmd.isEmpty();
}

void Arch::slotOpenExited( KProcess* _kp )
{
  int exitStatus = 100; // arbitrary bad exit status

  if ( _kp->normalExit() )
    exitStatus = _kp->exitStatus();

  if ( exitStatus == 1 )
  {
    exitStatus = 0;    // because 1 means empty archive - not an error.
                       // Is this a safe assumption?
  }

  if ( !exitStatus )
    emit sigOpen( this, true, m_filename,
                  Arch::Extract | Arch::Delete | Arch::Add | Arch::View );
  else
    emit sigOpen( this, false, QString::null, 0 );

  delete _kp;
  _kp = m_currentProcess = 0;
}

void Arch::slotDeleteExited( KProcess *_kp )
{
  bool success = ( _kp->normalExit() && ( _kp->exitStatus() == 0 ) );

  if ( !success )
  {
    QApplication::restoreOverrideCursor();

    QString msg = i18n( "The deletion operation failed." );

    if ( !getLastShellOutput().isNull() )
    {
      QStringList list = QStringList::split( "\n", getLastShellOutput() );
      KMessageBox::errorList( m_gui, msg, list );
      clearShellOutput();
    }
    else
    {
      KMessageBox::error( m_gui, msg );
    }
  }

  emit sigDelete( success );
  delete _kp;
  _kp = m_currentProcess = 0;
}

void Arch::slotExtractExited( KProcess *_kp )
{
  bool success = ( _kp->normalExit() && ( _kp->exitStatus() == 0 ) );

  if( !success )
  {
    if ( passwordRequired() )
    {
        QString msg;
        if ( !m_password.isEmpty() )
            msg = i18n("The password was incorrect. ");
        if (KPasswordDialog::getPassword( m_password, msg+i18n("You must enter a password to extract the file:") ) == KPasswordDialog::Accepted )
        {
            delete _kp;
            _kp = m_currentProcess = 0;
            clearShellOutput();
            unarchFileInternal(); // try to extract the file again with a password
            return;
        }
        m_password = "";
        emit sigExtract( false );
        delete _kp;
        _kp = m_currentProcess = 0;
        return;
    }
    else if ( m_password.isEmpty() || _kp->exitStatus() > 1 )
    {
        QApplication::restoreOverrideCursor();

        QString msg = i18n( "The extraction operation failed." );

        if ( !getLastShellOutput().isNull() )
        {
            //getLastShellOutput() is a QString. errorList is expecting QStringLists to show in multiple lines
            QStringList list = QStringList::split( "\n", getLastShellOutput() );
            KMessageBox::errorList( m_gui, msg, list );
            clearShellOutput();
        }
        else
        {
            KMessageBox::error( m_gui, msg );
        }
    }
  }
  m_password = "";
  delete _kp;
  _kp = m_currentProcess = 0;
  emit sigExtract( success );
}

void Arch::unarchFile( QStringList *fileList, const QString & destDir,
                         bool viewFriendly )
{
    m_fileList = fileList;
    m_destDir = destDir;
    m_viewFriendly = viewFriendly;
    unarchFileInternal();
}

void Arch::slotAddExited( KProcess *_kp )
{
  bool success = ( _kp->normalExit() && ( _kp->exitStatus() == 0 ) );

  if( !success )
  {
    QApplication::restoreOverrideCursor();

    QString msg = i18n( "The addition operation failed." );

    if ( !getLastShellOutput().isNull() )
    {
      QStringList list = QStringList::split( "\n", getLastShellOutput() );
      KMessageBox::errorList( m_gui, msg, list );
      clearShellOutput();
    }
    else
    {
      KMessageBox::error( m_gui, msg );
    }
  }

  emit sigAdd( success );
  delete _kp;
  _kp = m_currentProcess = 0;
}

void Arch::slotReceivedOutput( KProcess*, char* data, int length )
{
  char c = data[ length ];
  data[ length ] = '\0';

  appendShellOutputData( data );
  data[ length ] = c;
}


void Arch::slotReceivedTOC( KProcess*, char* data, int length )
{
  char c = data[ length ];
  data[ length ] = '\0';

  appendShellOutputData( data );

  int lfChar, startChar = 0;

  while ( !m_finished )
  {
    for ( lfChar = startChar; data[ lfChar ] != '\n' && lfChar < length;
         lfChar++ );

    if ( data[ lfChar ] != '\n')
      break; // We are done all the complete lines

    data[ lfChar ] = '\0';
    m_buffer.append( data + startChar );
    data[ lfChar ] = '\n';
    startChar = lfChar + 1;

    if ( m_headerString.isEmpty() )
    {
      processLine( m_buffer );
    }
    else if ( m_buffer.find( m_headerString ) == -1 )
    {
      if ( m_header_removed && !m_finished )
      {
        if ( !processLine( m_buffer ) )
        {
          // Have faith - maybe it wasn't a header?
          m_header_removed = false;
          m_error = true;
        }
      }
    }
    else if ( !m_header_removed )
    {
      m_header_removed = true;
    }
    else
    {
      m_finished = true;
    }

    m_buffer = "";
  }

  if ( !m_finished )
    m_buffer.append( data + startChar);	// Append what's left of the buffer

  data[ length ] = c;
}

bool Arch::processLine( const QCString &line )
{
  QString columns[ 11 ];
  unsigned int pos = 0;
  int strpos, len;

  // Go through our columns, try to pick out data, return silently on failure
  for ( QPtrListIterator <ArchColumns>col( m_archCols ); col.current(); ++col )
  {
    ArchColumns *curCol = *col;

    strpos = curCol->pattern.search( line, pos );
    len = curCol->pattern.matchedLength();

    if ( ( strpos == -1 ) || ( len > curCol->maxLength ) )
    {
      if ( curCol->optional )
        continue; // More?
      else
      {
        kdDebug(1601) << "processLine failed to match critical column" << endl;
        return false;
      }
    }

    pos = strpos + len;

    columns[curCol->colRef] = QString::fromLocal8Bit( line.mid(strpos, len) );
  }


  if ( m_dateCol >= 0 )
  {
    QString year = ( m_repairYear >= 0 ) ?
                   ArkUtils::fixYear( columns[ m_repairYear ].ascii())
                   : columns[ m_fixYear ];
    QString month = ( m_repairMonth >= 0 ) ?
                   QString( "%1" )
                   .arg( ArkUtils::getMonth( columns[ m_repairMonth ].ascii() ) )
                   : columns[ m_fixMonth ];
    QString timestamp = QString::fromLatin1( "%1-%2-%3 %4" )
                        .arg( year )
                        .arg( month )
                        .arg( columns[ m_fixDay ] )
                        .arg( columns[ m_fixTime ] );

    columns[ m_dateCol ] = timestamp;
  }

  QStringList list;

  for ( int i = 0; i < m_numCols; ++i )
  {
    list.append( columns[ i ] );
  }

  m_gui->fileList()->addItem( list ); // send the entry to the GUI

  return true;
}


Arch *Arch::archFactory( ArchType aType,
                         ArkWidget *parent, const QString &filename,
                         const QString &openAsMimeType )
{
  switch( aType )
  {
    case TAR_FORMAT:
      return new TarArch( parent, filename, openAsMimeType );

    case ZIP_FORMAT:
      return new ZipArch( parent, filename );

    case LHA_FORMAT:
      return new LhaArch( parent, filename );

    case COMPRESSED_FORMAT:
      return new CompressedFile( parent, filename, openAsMimeType );

    case ZOO_FORMAT:
      return new ZooArch( parent, filename );

    case RAR_FORMAT:
      return new RarArch( parent, filename );

    case AA_FORMAT:
      return new ArArch( parent, filename );

    case SEVENZIP_FORMAT:
      return new SevenZipArch( parent, filename );

    case ACE_FORMAT:
      return new AceArch( parent, filename );

    case UNKNOWN_FORMAT:
    default:
      return 0;
  }
}
#include "arch.moc"