1 /*
2 qgpgmeverifyopaquejob.cpp
3
4 This file is part of qgpgme, the Qt API binding for gpgme
5 Copyright (c) 2004,2007,2008 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 "qgpgmeverifyopaquejob.h"
40
41 #include "dataprovider.h"
42
43 #include "context.h"
44 #include "verificationresult.h"
45 #include "data.h"
46
47 #include <QBuffer>
48
49
50 #include <cassert>
51
52 using namespace QGpgME;
53 using namespace GpgME;
54
QGpgMEVerifyOpaqueJob(Context * context)55 QGpgMEVerifyOpaqueJob::QGpgMEVerifyOpaqueJob(Context *context)
56 : mixin_type(context)
57 {
58 lateInitialization();
59 }
60
~QGpgMEVerifyOpaqueJob()61 QGpgMEVerifyOpaqueJob::~QGpgMEVerifyOpaqueJob() {}
62
verify_opaque(Context * ctx,QThread * thread,const std::weak_ptr<QIODevice> & signedData_,const std::weak_ptr<QIODevice> & plainText_)63 static QGpgMEVerifyOpaqueJob::result_type verify_opaque(Context *ctx, QThread *thread, const std::weak_ptr<QIODevice> &signedData_, const std::weak_ptr<QIODevice> &plainText_)
64 {
65
66 const std::shared_ptr<QIODevice> plainText = plainText_.lock();
67 const std::shared_ptr<QIODevice> signedData = signedData_.lock();
68
69 const _detail::ToThreadMover ptMover(plainText, thread);
70 const _detail::ToThreadMover sdMover(signedData, thread);
71
72 QGpgME::QIODeviceDataProvider in(signedData);
73 const Data indata(&in);
74
75 if (!plainText) {
76 QGpgME::QByteArrayDataProvider out;
77 Data outdata(&out);
78
79 const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
80 Error ae;
81 const QString log = _detail::audit_log_as_html(ctx, ae);
82 return std::make_tuple(res, out.data(), log, ae);
83 } else {
84 QGpgME::QIODeviceDataProvider out(plainText);
85 Data outdata(&out);
86
87 const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
88 Error ae;
89 const QString log = _detail::audit_log_as_html(ctx, ae);
90 return std::make_tuple(res, QByteArray(), log, ae);
91 }
92
93 }
94
verify_opaque_qba(Context * ctx,const QByteArray & signedData)95 static QGpgMEVerifyOpaqueJob::result_type verify_opaque_qba(Context *ctx, const QByteArray &signedData)
96 {
97 const std::shared_ptr<QBuffer> buffer(new QBuffer);
98 buffer->setData(signedData);
99 if (!buffer->open(QIODevice::ReadOnly)) {
100 assert(!"This should never happen: QBuffer::open() failed");
101 }
102 return verify_opaque(ctx, nullptr, buffer, std::shared_ptr<QIODevice>());
103 }
104
start(const QByteArray & signedData)105 Error QGpgMEVerifyOpaqueJob::start(const QByteArray &signedData)
106 {
107 run(std::bind(&verify_opaque_qba, std::placeholders::_1, signedData));
108 return Error();
109 }
110
start(const std::shared_ptr<QIODevice> & signedData,const std::shared_ptr<QIODevice> & plainText)111 void QGpgMEVerifyOpaqueJob::start(const std::shared_ptr<QIODevice> &signedData, const std::shared_ptr<QIODevice> &plainText)
112 {
113 run(std::bind(&verify_opaque, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), signedData, plainText);
114 }
115
exec(const QByteArray & signedData,QByteArray & plainText)116 GpgME::VerificationResult QGpgME::QGpgMEVerifyOpaqueJob::exec(const QByteArray &signedData, QByteArray &plainText)
117 {
118 const result_type r = verify_opaque_qba(context(), signedData);
119 plainText = std::get<1>(r);
120 resultHook(r);
121 return mResult;
122 }
123
124 //PENDING(marc) implement showErrorDialog()
125
resultHook(const result_type & tuple)126 void QGpgME::QGpgMEVerifyOpaqueJob::resultHook(const result_type &tuple)
127 {
128 mResult = std::get<0>(tuple);
129 }
130 #include "qgpgmeverifyopaquejob.moc"
131