trunk/Src/wptGPGMEWrapper.cpp

/* wptGPGMEWrapper.cpp - Object oriented wrapper for GPGME
 *      Copyright (C) 2006 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT 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.
 *  
 * WinPT 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 WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <stdio.h>
#include <string.h>

#include "gpgme.h"
#include "wptGPG.h"
#include "wptGPGME.h"
#include "wptW32API.h"


/* Constructor to build gpgme context. */
GPGME::GPGME ()
{
    gpgme_new (&ctx);
}

/* Destructor to release gpgme context. */
GPGME::~GPGME ()
{
    if (ctx != NULL)
        gpgme_release (ctx);
}

/* Enable or disable the feature to add the 
    WinPT version to armored output. */
void
GPGME::setChangeVersion (bool val)
{
    chg_ver = val;
}

/* Enable or disable armor. */
void 
GPGME::setArmor (bool val)
{
    gpgme_set_armor (ctx, val? 1 : 0);
}

bool
GPGME::getArmor (void)
{
    return gpgme_get_armor (ctx)? true: false;
}


/* Import the keys from the clipboard.
   Return value: 0 on success. */
gpgme_error_t
GPGME::importFromClipboard (void)
{    
    gpgme_data_t keydata = NULL;
    gpgme_error_t err;

    err = gpg_data_new_from_clipboard (&keydata, 0);
    if (err)
        return err;

    op_begin ();
    err = gpgme_op_import (ctx, keydata);
    op_end ();

    gpgme_data_release (keydata);
    return err;
}


/* Import the keys from the file @file.
   Return value: 0 on success. */
gpgme_error_t
GPGME::importFromFile (const char *file)
{
    gpgme_data_t keydata;
    gpgme_error_t err;

    err = gpgme_data_new_from_file (&keydata, file, 1);
    if (err)
        return err;
    
    op_begin ();
    err = gpgme_op_import (ctx, keydata);
    op_end ();

    gpgme_data_release (keydata);
    return err;
}


/* Return the import result for the last GPG operation. */
gpgme_import_result_t
GPGME::importGetResult (void)
{
    return gpgme_op_import_result (ctx);
}


/* Export key pattern @patt to file @outfile.
   Return value: 0 on success. */
gpgme_error_t
GPGME::exportToFile (const char *patt, const char *outfile)
{
    gpgme_data_t dat;
    gpgme_error_t err;

    err = gpgme_data_new (&dat);
    if (err)
        return err;
    op_begin ();
    err = gpgme_op_export (ctx, patt, 0, dat);
    op_end ();
    if (err) {
        gpgme_data_release (dat);
        return err;
    }
    err = gpg_data_release_and_set_file (dat, outfile);
    if (err)
        gpgme_data_release (dat);
    return err;
}


/* Export key pattern @patt to the clipboard.
   Return value: 0 on success. */
gpgme_error_t
GPGME::exportToClipboard (const char *patt)
{
    gpgme_data_t dat;
    gpgme_error_t err;

    err = gpgme_data_new (&dat);
    if (err)
        return err;
    op_begin ();
    err = gpgme_op_export (ctx, patt, 0, dat);
    op_end ();
    if (err) {
        gpgme_data_release (dat);
        return err;
    }
    gpg_data_release_and_set_clipboard (dat, chg_ver? 1 : 0);
    return err;
}


/* Export key pattern @patt to the buffer @outdata. 
   Return value: 0 on success. */
gpgme_error_t
GPGME::exportToBuffer (const char *patt, char **outdata)
{
    gpgme_error_t err;
    gpgme_data_t dat;
    size_t n;
    char *p;

    err = gpgme_data_new (&dat);
    if (err)
        return err;
    op_begin ();
    err = gpgme_op_export (ctx, patt, 0, dat);
    op_end ();
    if (err) {
        gpgme_data_release (dat);
        return err;
    }
    p = gpgme_data_release_and_get_mem (dat, &n);

    *outdata = new char[n+1];
    memcpy (*outdata, p, n);
    (*outdata)[n] = 0;
    gpgme_free (p);

    return err;
}
1	twoaday	133	/* wptGPGMEWrapper.cpp - Object oriented wrapper for GPGME
2			* Copyright (C) 2006 Timo Schulz
3			*
4			* This file is part of WinPT.
5			*
6			* WinPT is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* WinPT is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#ifdef HAVE_CONFIG_H
22			#include <config.h>
23			#endif
24
25			#include <windows.h>
26			#include <stdio.h>
27			#include <string.h>
28
29			#include "gpgme.h"
30			#include "wptGPG.h"
31			#include "wptGPGME.h"
32	twoaday	195	#include "wptW32API.h"
33	twoaday	133
34
35			/* Constructor to build gpgme context. */
36			GPGME::GPGME ()
37			{
38			gpgme_new (&ctx);
39			}
40
41			/* Destructor to release gpgme context. */
42			GPGME::~GPGME ()
43			{
44			if (ctx != NULL)
45			gpgme_release (ctx);
46			}
47
48	twoaday	167	/* Enable or disable the feature to add the
49			WinPT version to armored output. */
50	twoaday	133	void
51			GPGME::setChangeVersion (bool val)
52			{
53			chg_ver = val;
54			}
55
56			/* Enable or disable armor. */
57			void
58			GPGME::setArmor (bool val)
59			{
60			gpgme_set_armor (ctx, val? 1 : 0);
61			}
62
63			bool
64			GPGME::getArmor (void)
65			{
66			return gpgme_get_armor (ctx)? true: false;
67			}
68
69	twoaday	260
70			/* Import the keys from the clipboard.
71			Return value: 0 on success. */
72			gpgme_error_t
73			GPGME::importFromClipboard (void)
74			{
75			gpgme_data_t keydata = NULL;
76			gpgme_error_t err;
77
78			err = gpg_data_new_from_clipboard (&keydata, 0);
79			if (err)
80			return err;
81
82			op_begin ();
83			err = gpgme_op_import (ctx, keydata);
84			op_end ();
85
86			gpgme_data_release (keydata);
87			return err;
88			}
89
90
91			/* Import the keys from the file @file.
92			Return value: 0 on success. */
93			gpgme_error_t
94			GPGME::importFromFile (const char *file)
95			{
96			gpgme_data_t keydata;
97			gpgme_error_t err;
98
99			err = gpgme_data_new_from_file (&keydata, file, 1);
100			if (err)
101			return err;
102
103			op_begin ();
104			err = gpgme_op_import (ctx, keydata);
105			op_end ();
106
107			gpgme_data_release (keydata);
108			return err;
109			}
110
111
112			/* Return the import result for the last GPG operation. */
113			gpgme_import_result_t
114			GPGME::importGetResult (void)
115			{
116			return gpgme_op_import_result (ctx);
117			}
118
119
120	twoaday	133	/* Export key pattern @patt to file @outfile.
121			Return value: 0 on success. */
122			gpgme_error_t
123			GPGME::exportToFile (const char patt, const char outfile)
124			{
125			gpgme_data_t dat;
126			gpgme_error_t err;
127
128			err = gpgme_data_new (&dat);
129			if (err)
130			return err;
131	twoaday	167	op_begin ();
132	twoaday	133	err = gpgme_op_export (ctx, patt, 0, dat);
133	twoaday	167	op_end ();
134	twoaday	133	if (err) {
135			gpgme_data_release (dat);
136			return err;
137			}
138			err = gpg_data_release_and_set_file (dat, outfile);
139	twoaday	247	if (err)
140			gpgme_data_release (dat);
141	twoaday	133	return err;
142			}
143
144
145			/* Export key pattern @patt to the clipboard.
146			Return value: 0 on success. */
147			gpgme_error_t
148			GPGME::exportToClipboard (const char *patt)
149			{
150			gpgme_data_t dat;
151			gpgme_error_t err;
152
153			err = gpgme_data_new (&dat);
154			if (err)
155			return err;
156	twoaday	167	op_begin ();
157	twoaday	133	err = gpgme_op_export (ctx, patt, 0, dat);
158	twoaday	167	op_end ();
159	twoaday	133	if (err) {
160			gpgme_data_release (dat);
161			return err;
162			}
163			gpg_data_release_and_set_clipboard (dat, chg_ver? 1 : 0);
164			return err;
165			}
166
167
168			/* Export key pattern @patt to the buffer @outdata.
169			Return value: 0 on success. */
170			gpgme_error_t
171			GPGME::exportToBuffer (const char patt, char *outdata)
172			{
173			gpgme_error_t err;
174			gpgme_data_t dat;
175			size_t n;
176			char *p;
177
178			err = gpgme_data_new (&dat);
179			if (err)
180			return err;
181	twoaday	167	op_begin ();
182	twoaday	133	err = gpgme_op_export (ctx, patt, 0, dat);
183	twoaday	167	op_end ();
184	twoaday	133	if (err) {
185			gpgme_data_release (dat);
186			return err;
187			}
188			p = gpgme_data_release_and_get_mem (dat, &n);
189
190			*outdata = new char[n+1];
191			memcpy (*outdata, p, n);
192			(*outdata)[n] = 0;
193			gpgme_free (p);
194
195			return err;
196			}