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
|
/**
* This file is part of GpgFrontend.
*
* GpgFrontend 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 3 of the License, or
* (at your option) any later version.
*
* Foobar 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 Foobar. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from gpg4usb-team.
* Their source code version also complies with GNU General Public License.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]> starting on May 12, 2021.
*
*/
#ifndef __SGPGMEPP_CONTEXT_H__
#define __SGPGMEPP_CONTEXT_H__
#include "GpgConstants.h"
#include "GpgFunctionObject.h"
#include "GpgInfo.h"
#include "GpgModel.h"
namespace GpgFrontend {
struct GpgContextInitArgs {
bool independent_database = false;
std::string db_path = {};
bool gpg_alone = false;
std::string gpg_path = {};
GpgContextInitArgs() = default;
};
/**
* Custom Encapsulation of GpgME APIs
*/
class GpgContext : public SingletonFunctionObject<GpgContext> {
public:
explicit GpgContext(const GpgContextInitArgs& args = {});
explicit GpgContext(int channel)
: SingletonFunctionObject<GpgContext>(channel) {}
~GpgContext() override = default;
[[nodiscard]] bool good() const;
[[nodiscard]] const GpgInfo& GetInfo() const { return info; }
static std::string getGpgmeVersion();
operator gpgme_ctx_t() const { return _ctx_ref.get(); }
private:
GpgInfo info;
struct _ctx_ref_deleter {
void operator()(gpgme_ctx_t _ctx) {
if (_ctx != nullptr) gpgme_release(_ctx);
}
};
using CtxRefHandler = std::unique_ptr<struct gpgme_context, _ctx_ref_deleter>;
CtxRefHandler _ctx_ref = nullptr;
bool good_ = true;
public:
static gpgme_error_t test_passphrase_cb(void* opaque, const char* uid_hint,
const char* passphrase_info,
int last_was_bad, int fd) {
LOG(INFO) << "test_passphrase_cb Called";
size_t res;
std::string pass = "abcdefg\n";
auto pass_len = pass.size();
size_t off = 0;
(void)opaque;
(void)uid_hint;
(void)passphrase_info;
(void)last_was_bad;
do {
res = gpgme_io_write(fd, &pass[off], pass_len - off);
if (res > 0) off += res;
} while (res > 0 && off != pass_len);
return off == pass_len ? 0 : gpgme_error_from_errno(errno);
}
void SetPassphraseCb(decltype(test_passphrase_cb) func) const;
};
} // namespace GpgFrontend
#endif // __SGPGMEPP_CONTEXT_H__
|