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