summaryrefslogtreecommitdiff
path: root/libopie2/opiecore/oglobal.cpp
blob: 2968a7db1726efa6a7583ca79f9380ca1db5c884 (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
/*
                             This file is part of the Opie Project
                             Copyright (C) 2003 Michael 'Mickey' Lauer <mickey@Vanille.de>
              =.             Copyright (C) 2004 Holger 'zecke' Freyther <zecke@handhelds.org>
            .=l.
           .>+-=
 _;:,     .>    :=|.         This program is free software; you can
.> <`_,   >  .   <=          redistribute it and/or  modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       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
..}^=.=       =       ;      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., 59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.
*/

#include <opie2/oglobal.h>

#include <qtextstream.h>
#include <qdir.h>
#include <qpe/mimetype.h>
#include <qpe/qpeapplication.h>
#include <qpe/storage.h>

#include <unistd.h>
#include <sys/types.h>

using namespace Opie::Core;

static const char Base64EncMap[64] =
{
  0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
  0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
  0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
  0x59, 0x5A, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
  0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E,
  0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
  0x77, 0x78, 0x79, 0x7A, 0x30, 0x31, 0x32, 0x33,
  0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x2B, 0x2F
};

static char Base64DecMap[128] =
{
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x3F,
  0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
  0x3C, 0x3D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
  0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
  0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
  0x17, 0x18, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
  0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
  0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
  0x31, 0x32, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00
};


OConfig* OGlobal::_config = 0;
OConfig* OGlobal::_qpe_config = 0;

void OGlobal::clean_up() {
    qWarning( "Oglobal clean up" );
    delete OGlobal::_config;
    delete OGlobal::_qpe_config;
    OGlobal::_config = 0;
    OGlobal::_qpe_config = 0;
}

OConfig* OGlobal::config()
{
    if ( !OGlobal::_config )
    {
        // odebug classes are reading config, so can't use them here!
        qAddPostRoutine( OGlobal::clean_up );
        qDebug( "OGlobal::creating global configuration instance." );
        OGlobal::_config = new OConfig( "global" );
    }
    return OGlobal::_config;
}


/**
 * Return the internal builtin Global::Command object
 *
 */
Global::Command* OGlobal::builtinCommands() {
    return builtin;
}


/**
 * Return the internal builtin QGuardedPtr<QWidget> object
 */
QGuardedPtr<QWidget>* OGlobal::builtinRunning() {
    return running;
}


/**
 * \brief generate a new UUID as QString
 * Return a new UUID as QString. UUID are global unique
 *
 *
 * @return the UUID or QString::null
 */
QString OGlobal::generateUuid() {
    QFile file( "/proc/sys/kernel/random/uuid" );
    if (!file.open(IO_ReadOnly ) )
        return QString::null;

    QTextStream stream(&file);

    return "{" + stream.read().stripWhiteSpace() + "}";
}


/**
 * \brief Encode a QByteArray in base64
 *
 * An Implementation of the RF1521 base64 encoding.
 *
 * The boolean argument determines if the encoded data is
 * going to be restricted to 76 characters or less per line
 * as specified by RFC 2045.  If @p insertLFs is true, then
 * there will be 76 characters or less per line.
 *
 * If you use this to create a QCString remember that it is null terminated!
 * \code
 * QByteArray ar = OGlobal::encodeBase64(&array);
 * QCString str(ar.data(),ar.size()+1); // the NUL at the end
 *
 * \endcode
 *
 * @param in The QByteArray to encode
 * @param insertLFs Limit number of characters per line
 * @return The argument as base64 encoded or QByteArray() if in.isEmpty()
 * @see QByteArray
 * @see QArray
 * @see QMemArray
 * @see QCString
 */
/*
 * LGPL by Rik Hemsely of the KDE Project. taken from kmdcodec.cpp
 */
QByteArray OGlobal::encodeBase64(const QByteArray& in, bool insertLFs ) {
    if ( in.isEmpty() )
        return QByteArray();

    unsigned int sidx = 0;
    unsigned int didx = 0;
    const char* data = in.data();
    const unsigned int len = in.size();

    unsigned int out_len = ((len+2)/3)*4;

    // Deal with the 76 characters or less per
    // line limit specified in RFC 2045 on a
    // pre request basis.
    insertLFs = (insertLFs && out_len > 76);
    if ( insertLFs )
      out_len += ((out_len-1)/76);

    int count = 0;
    QByteArray out( out_len );

    // 3-byte to 4-byte conversion + 0-63 to ascii printable conversion
    if ( len > 1 )
    {
        while (sidx < len-2)
        {
            if ( insertLFs )
            {
                if ( count && (count%76) == 0 )
                    out[didx++] = '\n';
                count += 4;
            }
            out[didx++] = Base64EncMap[(data[sidx] >> 2) & 077];
            out[didx++] = Base64EncMap[(data[sidx+1] >> 4) & 017 |
                                       (data[sidx] << 4) & 077];
            out[didx++] = Base64EncMap[(data[sidx+2] >> 6) & 003 |
                                       (data[sidx+1] << 2) & 077];
            out[didx++] = Base64EncMap[data[sidx+2] & 077];
            sidx += 3;
        }
    }

    if (sidx < len)
    {
        if ( insertLFs && (count > 0) && (count%76) == 0 )
           out[didx++] = '\n';

        out[didx++] = Base64EncMap[(data[sidx] >> 2) & 077];
        if (sidx < len-1)
        {
            out[didx++] = Base64EncMap[(data[sidx+1] >> 4) & 017 |
                                       (data[sidx] << 4) & 077];
            out[didx++] = Base64EncMap[(data[sidx+1] << 2) & 077];
        }
        else
        {
            out[didx++] = Base64EncMap[(data[sidx] << 4) & 077];
        }
    }

    // Add padding
    while (didx < out.size())
    {
        out[didx] = '=';
        didx++;
    }

    return out;
}

/**
 * Decodes the given data that was encoded with the base64
 * algorithm.
 *
 *
 * @param in   the encoded data to be decoded.
 * @return the decoded QByteArray or QByteArray() in case of failure
 * @see OGlobal::encodeBase64
 */
QByteArray OGlobal::decodeBase64( const QByteArray& in) {
    if ( in.isEmpty() )
        return QByteArray();

    QByteArray out;
    unsigned int count = 0;
    unsigned int len = in.size(), tail = len;
    const char* data = in.data();

    // Deal with possible *nix "BEGIN" marker!!
    while ( count < len && (data[count] == '\n' || data[count] == '\r' ||
            data[count] == '\t' || data[count] == ' ') )
        count++;

    if ( strncasecmp(data+count, "begin", 5) == 0 )
    {
        count += 5;
        while ( count < len && data[count] != '\n' && data[count] != '\r' )
            count++;

        while ( count < len && (data[count] == '\n' || data[count] == '\r') )
            count ++;

        data += count;
        tail = (len -= count);
    }

    // Find the tail end of the actual encoded data even if
    // there is/are trailing CR and/or LF.
    while ( data[tail-1] == '=' || data[tail-1] == '\n' ||
            data[tail-1] == '\r' )
        if ( data[--tail] != '=' ) len = tail;

    unsigned int outIdx = 0;
    out.resize( (count=len) );
    for (unsigned int idx = 0; idx < count; idx++)
    {
        // Adhere to RFC 2045 and ignore characters
        // that are not part of the encoding table.
        unsigned char ch = data[idx];
        if ( (ch > 47 && ch < 58) || (ch > 64 && ch < 91 ) ||
             (ch > 96 && ch < 123)|| ch == '+' || ch == '/' || ch == '=')
        {
            out[outIdx++] = Base64DecMap[ch];
        }
        else
        {
            len--;
            tail--;
        }
    }

    // kdDebug() << "Tail size = " << tail << ", Length size = " << len << endl;

    // 4-byte to 3-byte conversion
    len = (tail>(len/4)) ? tail-(len/4) : 0;
    unsigned int sidx = 0, didx = 0;
    if ( len > 1 )
    {
      while (didx < len-2)
      {
          out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx+1] >> 4) & 003));
          out[didx+1] = (((out[sidx+1] << 4) & 255) | ((out[sidx+2] >> 2) & 017));
          out[didx+2] = (((out[sidx+2] << 6) & 255) | (out[sidx+3] & 077));
          sidx += 4;
          didx += 3;
      }
    }

    if (didx < len)
        out[didx] = (((out[sidx] << 2) & 255) | ((out[sidx+1] >> 4) & 003));

    if (++didx < len )
        out[didx] = (((out[sidx+1] << 4) & 255) | ((out[sidx+2] >> 2) & 017));

    // Resize the output buffer
    if ( len == 0 || len < out.size() )
      out.resize(len);

    return out;
}

bool OGlobal::isAppLnkFileName( const QString& str )
{
    if (str.isEmpty()||str.at(str.length()-1)==QDir::separator()) return false;
    return str.startsWith(MimeType::appsFolderName()+QDir::separator());
}

/* ToDo:
 * This fun should check the document-path value for the mounted media
 * which has to be implemented later. this moment we just check for a
 * mounted media name.
 */
bool OGlobal::isDocumentFileName( const QString& file )
{
    if (file.isEmpty()||file.at(file.length()-1)==QDir::separator()) return false;
    if (file.startsWith(QPEApplication::documentDir()+QDir::separator())) return true;
    StorageInfo si;
    QList< FileSystem > fl =  si.fileSystems();
    FileSystem*fs;
    for (fs = fl.first();fs!=0;fs=fl.next()) {
        if (fs->isRemovable()&&file.startsWith(fs->name()+QDir::separator()))
            return true;
    }
    if (file.startsWith(homeDirPath())+"/Documents/") return true;
    return false;
}

QString OGlobal::tempDirPath()
{
    static QString defstring="/tmp";
    char * tmpp = 0;
    if ( (tmpp=getenv("TEMP"))) {
        return tmpp;
    }
    return defstring;
}

QString OGlobal::homeDirPath()
{
    char * tmpp = getenv("HOME");
    return (tmpp?tmpp:"/");
}

bool OGlobal::weekStartsOnMonday()
{
    OConfig*conf=OGlobal::qpe_config();
    if (!conf)return false;
    conf->setGroup("Time");
    return conf->readBoolEntry("MONDAY",true);
}

void OGlobal::setWeekStartsOnMonday( bool what)
{
    OConfig*conf=OGlobal::qpe_config();
    if (!conf)return;
    conf->setGroup("Time");
    return conf->writeEntry("MONDAY",what);
}

bool OGlobal::useAMPM()
{
    OConfig*conf=OGlobal::qpe_config();
    if (!conf)return false;
    conf->setGroup("Time");
    return conf->readBoolEntry("AMPM",false);
}

void OGlobal::setUseAMPM( bool what)
{
    OConfig*conf=OGlobal::qpe_config();
    if (!conf)return;
    conf->setGroup("Time");
    return conf->writeEntry("AMPM",what);
}

OConfig* OGlobal::qpe_config()
{
    if ( !OGlobal::_qpe_config ) {
        OGlobal::_qpe_config = new OConfig( "qpe" );
    }
    return OGlobal::_qpe_config;
}

bool OGlobal::truncateFile( QFile &f, off_t size )
{
    /* or should we let enlarge Files? then remove this
       f.size()< part! - Alwin
    */
    if (!f.exists()||f.size()<(unsigned)size) return false;
    bool closeit=false;
    if (!f.isOpen()) {
        closeit=true;
        f.open(IO_Raw | IO_ReadWrite | IO_Append);
    }
    if (!f.isOpen()) { return false; }
    int r = ftruncate(f.handle(),size);
    if (closeit) f.close();
    return r==0;
}