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
|
/****************************************************************************
**
** Copyright (C) 2018 Caliste Damien.
** Contact: Damien Caliste <dcaliste@free.fr>
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "gpgmeplugin.h"
QMailCryptoGPG::QMailCryptoGPG() : QMailCryptoGPGME(GPGME_PROTOCOL_OpenPGP)
{
}
bool QMailCryptoGPG::partHasSignature(const QMailMessagePartContainer &part) const
{
if (part.multipartType() != QMailMessagePartContainerFwd::MultipartSigned ||
part.partCount() != 2)
return false;
const QMailMessagePart signature = part.partAt(1);
if (!signature.contentType().matches("application", "pgp-signature"))
return false;
return true;
}
QMailCryptoFwd::VerificationResult QMailCryptoGPG::verifySignature(const QMailMessagePartContainer &part) const
{
if (!partHasSignature(part))
return QMailCryptoFwd::VerificationResult(QMailCryptoFwd::MissingSignature);
QMailMessagePart body = part.partAt(0);
QMailMessagePart signature = part.partAt(1);
if (!body.contentAvailable() ||
!signature.contentAvailable())
return QMailCryptoFwd::VerificationResult();
QMailCryptoFwd::VerificationResult result;
result.engine = QStringLiteral("libgpgme.so");
result.summary = verify(signature.body().data(QMailMessageBodyFwd::Decoded),
body.undecodedData(), result.keyResults);
return result;
}
QMailCryptoFwd::SignatureResult QMailCryptoGPG::sign(QMailMessagePartContainer &part,
const QStringList &keys) const
{
QByteArray signedData, micalg;
QMailCryptoFwd::SignatureResult result;
result = computeSignature(part, keys, signedData, micalg);
if (result != QMailCryptoFwd::SignatureValid)
return result;
// Set it to multipart/signed content-type.
QList<QMailMessageHeaderField::ParameterType> parameters;
parameters << QMailMessageHeaderField::ParameterType("micalg", micalg);
parameters << QMailMessageHeaderField::ParameterType("protocol", "application/pgp-signature");
part.setMultipartType(QMailMessagePartContainerFwd::MultipartSigned, parameters);
// Write the signature data in the second part.
QMailMessagePart &signature = part.partAt(1);
signature.setBody(QMailMessageBody::fromData(signedData,
QMailMessageContentType("application/pgp-signature"),
QMailMessageBody::SevenBit));
signature.setContentDescription("OpenPGP digital signature");
return QMailCryptoFwd::SignatureValid;
}
|
