summaryrefslogtreecommitdiffstats
path: root/src/projects/kostore/koZipStore.cc
blob: 1f1a526d1d75c5b500b63f3e0c1175c33a3607cc (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
/* This file is part of the KDE project
   Copyright (C) 2000-2002 David Faure <faure@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "koZipStore.h"

#include <tqbuffer.h>

#include <kzip.h>
#include <kdebug.h>
#include <tdeversion.h>
#include <kurl.h>
#include <kio/netaccess.h>
#if ! KDE_IS_VERSION( 3, 4, 1 )
#include <tqdir.h>
#include <tqfileinfo.h>
#endif

KoZipStore::KoZipStore( const TQString & _filename, Mode _mode, const TQCString & appIdentification )
{
    kdDebug(s_area) << "KoZipStore Constructor filename = " << _filename
                    << " mode = " << int(_mode)
                    << " mimetype = " << appIdentification << endl;

    m_pZip = new KZip( _filename );

#if ! KDE_IS_VERSION( 3, 4, 1 )
    // Workaround for KZip KSaveFile double deletion in tdelibs-3.4,
    // when trying to write to a non-writable directory.
    TQDir dir( TQFileInfo( _filename ).dir() );
    if (_mode == Write && !TQFileInfo( dir.path() ).isWritable()  )
    {
        kdWarning(s_area) << dir.path() << " isn't writable" << endl;
        m_bGood = false;
        m_currentDir = 0;
        KoStore::init( _mode );
    }
    else
#endif
    {
        m_bGood = init( _mode, appIdentification ); // open the zip file and init some vars
    }
}

KoZipStore::KoZipStore( TQIODevice *dev, Mode mode, const TQCString & appIdentification )
{
    m_pZip = new KZip( dev );
    m_bGood = init( mode, appIdentification );
}

KoZipStore::KoZipStore( TQWidget* window, const KURL & _url, const TQString & _filename, Mode _mode, const TQCString & appIdentification )
{
    kdDebug(s_area) << "KoZipStore Constructor url" << _url.prettyURL()
                    << " filename = " << _filename
                    << " mode = " << int(_mode)
                    << " mimetype = " << appIdentification << endl;

    m_url = _url;
    m_window = window;

    if ( _mode == KoStore::Read )
    {
        m_fileMode = KoStoreBase::RemoteRead;
        m_localFileName = _filename;

    }
    else
    {
        m_fileMode = KoStoreBase::RemoteWrite;
        m_localFileName = "/tmp/kozip"; // ### FIXME with KTempFile
    }

    m_pZip = new KZip( m_localFileName );
    m_bGood = init( _mode, appIdentification ); // open the zip file and init some vars
}

KoZipStore::~KoZipStore()
{
    kdDebug(s_area) << "KoZipStore::~KoZipStore" << endl;
    m_pZip->close();
    delete m_pZip;

    // Now we have still some job to do for remote files.
    if ( m_fileMode == KoStoreBase::RemoteRead )
    {
        KIO::NetAccess::removeTempFile( m_localFileName );
    }
    else if ( m_fileMode == KoStoreBase::RemoteWrite )
    {
        KIO::NetAccess::upload( m_localFileName, m_url, m_window );
        // ### FIXME: delete temp file
    }
}

bool KoZipStore::init( Mode _mode, const TQCString& appIdentification )
{
    KoStore::init( _mode );
    m_currentDir = 0;
    bool good = m_pZip->open( _mode == Write ? IO_WriteOnly : IO_ReadOnly );

    if ( good && _mode == Read )
        good = m_pZip->directory() != 0;
    else if ( good && _mode == Write )
    {
        //kdDebug(s_area) << "KoZipStore::init writing mimetype " << appIdentification << endl;

        m_pZip->setCompression( KZip::NoCompression );
        m_pZip->setExtraField( KZip::NoExtraField );
        // Write identification
        (void)m_pZip->writeFile( "mimetype", "", "", appIdentification.length(), appIdentification.data() );
        m_pZip->setCompression( KZip::DeflateCompression );
        // We don't need the extra field in KOffice - so we leave it as "no extra field".
    }
    return good;
}

bool KoZipStore::openWrite( const TQString& name )
{
#if 0
    // Prepare memory buffer for writing
    m_byteArray.resize( 0 );
    m_stream = new TQBuffer( m_byteArray );
    m_stream->open( IO_WriteOnly );
    return true;
#endif
    m_stream = 0L; // Don't use!
    return m_pZip->prepareWriting( name, "", "" /*m_pZip->rootDir()->user(), m_pZip->rootDir()->group()*/, 0 );
}

bool KoZipStore::openRead( const TQString& name )
{
    const KArchiveEntry * entry = m_pZip->directory()->entry( name );
    if ( entry == 0L )
    {
        //kdWarning(s_area) << "Unknown filename " << name << endl;
        //return KIO::ERR_DOES_NOT_EXIST;
        return false;
    }
    if ( entry->isDirectory() )
    {
        kdWarning(s_area) << name << " is a directory !" << endl;
        //return KIO::ERR_IS_DIRECTORY;
        return false;
    }
    // Must cast to KZipFileEntry, not only KArchiveFile, because device() isn't virtual!
    const KZipFileEntry * f = static_cast<const KZipFileEntry *>(entry);
    delete m_stream;
    m_stream = f->device();
    m_iSize = f->size();
    return true;
}

TQ_LONG KoZipStore::write( const char* _data, TQ_ULONG _len )
{
  if ( _len == 0L ) return 0;
  //kdDebug(s_area) << "KoZipStore::write " << _len << endl;

  if ( !m_bIsOpen )
  {
    kdError(s_area) << "KoStore: You must open before writing" << endl;
    return 0L;
  }
  if ( m_mode != Write  )
  {
    kdError(s_area) << "KoStore: Can not write to store that is opened for reading" << endl;
    return 0L;
  }

  m_iSize += _len;
  if ( m_pZip->writeData( _data, _len ) ) // writeData returns a bool!
      return _len;
  return 0L;
}

bool KoZipStore::closeWrite()
{
    kdDebug(s_area) << "Wrote file " << m_sName << " into ZIP archive. size "
                    << m_iSize << endl;
    return m_pZip->doneWriting( m_iSize );
#if 0
    if ( !m_pZip->writeFile( m_sName , "user", "group", m_iSize, m_byteArray.data() ) )
        kdWarning( s_area ) << "Failed to write " << m_sName << endl;
    m_byteArray.resize( 0 ); // save memory
    return true;
#endif
}

bool KoZipStore::enterRelativeDirectory( const TQString& dirName )
{
    if ( m_mode == Read ) {
        if ( !m_currentDir ) {
            m_currentDir = m_pZip->directory(); // initialize
            Q_ASSERT( m_currentPath.isEmpty() );
        }
        const KArchiveEntry *entry = m_currentDir->entry( dirName );
        if ( entry && entry->isDirectory() ) {
            m_currentDir = dynamic_cast<const KArchiveDirectory*>( entry );
            return m_currentDir != 0;
        }
        return false;
    }
    else  // Write, no checking here
        return true;
}

bool KoZipStore::enterAbsoluteDirectory( const TQString& path )
{
    if ( path.isEmpty() )
    {
        m_currentDir = 0;
        return true;
    }
    m_currentDir = dynamic_cast<const KArchiveDirectory*>( m_pZip->directory()->entry( path ) );
    Q_ASSERT( m_currentDir );
    return m_currentDir != 0;
}

bool KoZipStore::fileExists( const TQString& absPath ) const
{
    const KArchiveEntry *entry = m_pZip->directory()->entry( absPath );
    return entry && entry->isFile();
}