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;
}

/* 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);
    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	/* 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	#include "wptW32API.h"
33
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	/* Enable or disable the feature to add the
49	WinPT version to armored output. */
50	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	/* Export key pattern @patt to file @outfile.
70	Return value: 0 on success. */
71	gpgme_error_t
72	GPGME::exportToFile (const char patt, const char outfile)
73	{
74	gpgme_data_t dat;
75	gpgme_error_t err;
76
77	err = gpgme_data_new (&dat);
78	if (err)
79	return err;
80	op_begin ();
81	err = gpgme_op_export (ctx, patt, 0, dat);
82	op_end ();
83	if (err) {
84	gpgme_data_release (dat);
85	return err;
86	}
87	err = gpg_data_release_and_set_file (dat, outfile);
88	return err;
89	}
90
91
92	/* Export key pattern @patt to the clipboard.
93	Return value: 0 on success. */
94	gpgme_error_t
95	GPGME::exportToClipboard (const char *patt)
96	{
97	gpgme_data_t dat;
98	gpgme_error_t err;
99
100	err = gpgme_data_new (&dat);
101	if (err)
102	return err;
103	op_begin ();
104	err = gpgme_op_export (ctx, patt, 0, dat);
105	op_end ();
106	if (err) {
107	gpgme_data_release (dat);
108	return err;
109	}
110	gpg_data_release_and_set_clipboard (dat, chg_ver? 1 : 0);
111	return err;
112	}
113
114
115	/* Export key pattern @patt to the buffer @outdata.
116	Return value: 0 on success. */
117	gpgme_error_t
118	GPGME::exportToBuffer (const char patt, char *outdata)
119	{
120	gpgme_error_t err;
121	gpgme_data_t dat;
122	size_t n;
123	char *p;
124
125	err = gpgme_data_new (&dat);
126	if (err)
127	return err;
128	op_begin ();
129	err = gpgme_op_export (ctx, patt, 0, dat);
130	op_end ();
131	if (err) {
132	gpgme_data_release (dat);
133	return err;
134	}
135	p = gpgme_data_release_and_get_mem (dat, &n);
136
137	*outdata = new char[n+1];
138	memcpy (*outdata, p, n);
139	(*outdata)[n] = 0;
140	gpgme_free (p);
141
142	return err;
143	}