Line data Source code
1 : /*
2 : qgpgmedecryptverifyjob.cpp
3 :
4 : This file is part of qgpgme, the Qt API binding for gpgme
5 : Copyright (c) 2004,2008 Klarälvdalens Datakonsult AB
6 : Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
7 : Software engineering by Intevation GmbH
8 :
9 : QGpgME is free software; you can redistribute it and/or
10 : modify it under the terms of the GNU General Public License as
11 : published by the Free Software Foundation; either version 2 of the
12 : License, or (at your option) any later version.
13 :
14 : QGpgME is distributed in the hope that it will be useful,
15 : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 : General Public License for more details.
18 :
19 : You should have received a copy of the GNU General Public License along
20 : with this program; if not, write to the Free Software Foundation, Inc.,
21 : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 :
23 : In addition, as a special exception, the copyright holders give
24 : permission to link the code of this program with any edition of
25 : the Qt library by Trolltech AS, Norway (or with modified versions
26 : of Qt that use the same license as Qt), and distribute linked
27 : combinations including the two. You must obey the GNU General
28 : Public License in all respects for all of the code used other than
29 : Qt. If you modify this file, you may extend this exception to
30 : your version of the file, but you are not obligated to do so. If
31 : you do not wish to do so, delete this exception statement from
32 : your version.
33 : */
34 :
35 : #ifdef HAVE_CONFIG_H
36 : #include "config.h"
37 : #endif
38 :
39 : #include "qgpgmedecryptverifyjob.h"
40 :
41 : #include "dataprovider.h"
42 :
43 : #include "context.h"
44 : #include "decryptionresult.h"
45 : #include "verificationresult.h"
46 : #include "data.h"
47 :
48 : #include <QDebug>
49 : #include "gpgme_backend_debug.h"
50 :
51 : #include <QBuffer>
52 :
53 : #include <cassert>
54 :
55 : using namespace QGpgME;
56 : using namespace GpgME;
57 :
58 0 : QGpgMEDecryptVerifyJob::QGpgMEDecryptVerifyJob(Context *context)
59 0 : : mixin_type(context)
60 : {
61 0 : lateInitialization();
62 0 : }
63 :
64 0 : QGpgMEDecryptVerifyJob::~QGpgMEDecryptVerifyJob() {}
65 :
66 0 : static QGpgMEDecryptVerifyJob::result_type decrypt_verify(Context *ctx, QThread *thread,
67 : const std::weak_ptr<QIODevice> &cipherText_,
68 : const std::weak_ptr<QIODevice> &plainText_)
69 : {
70 :
71 0 : qCDebug(GPGPME_BACKEND_LOG);
72 :
73 0 : const std::shared_ptr<QIODevice> cipherText = cipherText_.lock();
74 0 : const std::shared_ptr<QIODevice> plainText = plainText_.lock();
75 :
76 0 : const _detail::ToThreadMover ctMover(cipherText, thread);
77 0 : const _detail::ToThreadMover ptMover(plainText, thread);
78 :
79 0 : QGpgME::QIODeviceDataProvider in(cipherText);
80 0 : const Data indata(&in);
81 :
82 0 : if (!plainText) {
83 0 : QGpgME::QByteArrayDataProvider out;
84 0 : Data outdata(&out);
85 :
86 0 : const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
87 0 : Error ae;
88 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
89 0 : qCDebug(GPGPME_BACKEND_LOG) << "End no plainText. Error: " << ae;
90 0 : return std::make_tuple(res.first, res.second, out.data(), log, ae);
91 : } else {
92 0 : QGpgME::QIODeviceDataProvider out(plainText);
93 0 : Data outdata(&out);
94 :
95 0 : const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
96 0 : Error ae;
97 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
98 0 : qCDebug(GPGPME_BACKEND_LOG) << "End plainText. Error: " << ae;
99 0 : return std::make_tuple(res.first, res.second, QByteArray(), log, ae);
100 : }
101 :
102 : }
103 :
104 0 : static QGpgMEDecryptVerifyJob::result_type decrypt_verify_qba(Context *ctx, const QByteArray &cipherText)
105 : {
106 0 : const std::shared_ptr<QBuffer> buffer(new QBuffer);
107 0 : buffer->setData(cipherText);
108 0 : if (!buffer->open(QIODevice::ReadOnly)) {
109 0 : assert(!"This should never happen: QBuffer::open() failed");
110 : }
111 0 : return decrypt_verify(ctx, 0, buffer, std::shared_ptr<QIODevice>());
112 : }
113 :
114 0 : Error QGpgMEDecryptVerifyJob::start(const QByteArray &cipherText)
115 : {
116 0 : run(std::bind(&decrypt_verify_qba, std::placeholders::_1, cipherText));
117 0 : return Error();
118 : }
119 :
120 0 : void QGpgMEDecryptVerifyJob::start(const std::shared_ptr<QIODevice> &cipherText, const std::shared_ptr<QIODevice> &plainText)
121 : {
122 0 : run(std::bind(&decrypt_verify, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), cipherText, plainText);
123 0 : }
124 :
125 : std::pair<GpgME::DecryptionResult, GpgME::VerificationResult>
126 0 : QGpgME::QGpgMEDecryptVerifyJob::exec(const QByteArray &cipherText, QByteArray &plainText)
127 : {
128 0 : const result_type r = decrypt_verify_qba(context(), cipherText);
129 0 : plainText = std::get<2>(r);
130 0 : resultHook(r);
131 0 : return mResult;
132 : }
133 :
134 : //PENDING(marc) implement showErrorDialog()
135 :
136 0 : void QGpgMEDecryptVerifyJob::resultHook(const result_type &tuple)
137 : {
138 0 : mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
139 0 : }
140 : #include "qgpgmedecryptverifyjob.moc"
|
