Line data Source code
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 :
55 13 : QGpgMEVerifyOpaqueJob::QGpgMEVerifyOpaqueJob(Context *context)
56 13 : : mixin_type(context)
57 : {
58 13 : lateInitialization();
59 13 : }
60 :
61 26 : QGpgMEVerifyOpaqueJob::~QGpgMEVerifyOpaqueJob() {}
62 :
63 13 : 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 26 : const std::shared_ptr<QIODevice> plainText = plainText_.lock();
67 26 : const std::shared_ptr<QIODevice> signedData = signedData_.lock();
68 :
69 26 : const _detail::ToThreadMover ptMover(plainText, thread);
70 26 : const _detail::ToThreadMover sdMover(signedData, thread);
71 :
72 26 : QGpgME::QIODeviceDataProvider in(signedData);
73 26 : const Data indata(&in);
74 :
75 13 : if (!plainText) {
76 26 : QGpgME::QByteArrayDataProvider out;
77 26 : Data outdata(&out);
78 :
79 26 : const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
80 26 : Error ae;
81 26 : const QString log = _detail::audit_log_as_html(ctx, ae);
82 13 : return std::make_tuple(res, out.data(), log, ae);
83 : } else {
84 0 : QGpgME::QIODeviceDataProvider out(plainText);
85 0 : Data outdata(&out);
86 :
87 0 : const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
88 0 : Error ae;
89 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
90 0 : return std::make_tuple(res, QByteArray(), log, ae);
91 : }
92 :
93 : }
94 :
95 13 : static QGpgMEVerifyOpaqueJob::result_type verify_opaque_qba(Context *ctx, const QByteArray &signedData)
96 : {
97 26 : const std::shared_ptr<QBuffer> buffer(new QBuffer);
98 13 : buffer->setData(signedData);
99 13 : if (!buffer->open(QIODevice::ReadOnly)) {
100 0 : assert(!"This should never happen: QBuffer::open() failed");
101 : }
102 26 : return verify_opaque(ctx, 0, buffer, std::shared_ptr<QIODevice>());
103 : }
104 :
105 0 : Error QGpgMEVerifyOpaqueJob::start(const QByteArray &signedData)
106 : {
107 0 : run(std::bind(&verify_opaque_qba, std::placeholders::_1, signedData));
108 0 : return Error();
109 : }
110 :
111 0 : void QGpgMEVerifyOpaqueJob::start(const std::shared_ptr<QIODevice> &signedData, const std::shared_ptr<QIODevice> &plainText)
112 : {
113 0 : run(std::bind(&verify_opaque, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), signedData, plainText);
114 0 : }
115 :
116 13 : GpgME::VerificationResult QGpgME::QGpgMEVerifyOpaqueJob::exec(const QByteArray &signedData, QByteArray &plainText)
117 : {
118 26 : const result_type r = verify_opaque_qba(context(), signedData);
119 13 : plainText = std::get<1>(r);
120 13 : resultHook(r);
121 26 : return mResult;
122 : }
123 :
124 : //PENDING(marc) implement showErrorDialog()
125 :
126 13 : void QGpgME::QGpgMEVerifyOpaqueJob::resultHook(const result_type &tuple)
127 : {
128 13 : mResult = std::get<0>(tuple);
129 13 : }
130 : #include "qgpgmeverifyopaquejob.moc"
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