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 : #include "qgpgmedecryptverifyjob.h"
35 :
36 : #include "dataprovider.h"
37 :
38 : #include "context.h"
39 : #include "decryptionresult.h"
40 : #include "verificationresult.h"
41 : #include "data.h"
42 :
43 : #include <QDebug>
44 : #include "gpgme_backend_debug.h"
45 :
46 : #include <QBuffer>
47 :
48 : #include <cassert>
49 :
50 : using namespace QGpgME;
51 : using namespace GpgME;
52 :
53 0 : QGpgMEDecryptVerifyJob::QGpgMEDecryptVerifyJob(Context *context)
54 0 : : mixin_type(context)
55 : {
56 0 : lateInitialization();
57 0 : }
58 :
59 0 : QGpgMEDecryptVerifyJob::~QGpgMEDecryptVerifyJob() {}
60 :
61 0 : static QGpgMEDecryptVerifyJob::result_type decrypt_verify(Context *ctx, QThread *thread,
62 : const std::weak_ptr<QIODevice> &cipherText_,
63 : const std::weak_ptr<QIODevice> &plainText_)
64 : {
65 :
66 0 : qCDebug(GPGPME_BACKEND_LOG);
67 :
68 0 : const std::shared_ptr<QIODevice> cipherText = cipherText_.lock();
69 0 : const std::shared_ptr<QIODevice> plainText = plainText_.lock();
70 :
71 0 : const _detail::ToThreadMover ctMover(cipherText, thread);
72 0 : const _detail::ToThreadMover ptMover(plainText, thread);
73 :
74 0 : QGpgME::QIODeviceDataProvider in(cipherText);
75 0 : const Data indata(&in);
76 :
77 0 : if (!plainText) {
78 0 : QGpgME::QByteArrayDataProvider out;
79 0 : Data outdata(&out);
80 :
81 0 : const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
82 0 : Error ae;
83 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
84 0 : qCDebug(GPGPME_BACKEND_LOG) << "End no plainText. Error: " << ae;
85 0 : return std::make_tuple(res.first, res.second, out.data(), log, ae);
86 : } else {
87 0 : QGpgME::QIODeviceDataProvider out(plainText);
88 0 : Data outdata(&out);
89 :
90 0 : const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
91 0 : Error ae;
92 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
93 0 : qCDebug(GPGPME_BACKEND_LOG) << "End plainText. Error: " << ae;
94 0 : return std::make_tuple(res.first, res.second, QByteArray(), log, ae);
95 0 : }
96 :
97 : }
98 :
99 0 : static QGpgMEDecryptVerifyJob::result_type decrypt_verify_qba(Context *ctx, const QByteArray &cipherText)
100 : {
101 0 : const std::shared_ptr<QBuffer> buffer(new QBuffer);
102 0 : buffer->setData(cipherText);
103 0 : if (!buffer->open(QIODevice::ReadOnly)) {
104 0 : assert(!"This should never happen: QBuffer::open() failed");
105 : }
106 0 : return decrypt_verify(ctx, 0, buffer, std::shared_ptr<QIODevice>());
107 : }
108 :
109 0 : Error QGpgMEDecryptVerifyJob::start(const QByteArray &cipherText)
110 : {
111 0 : run(std::bind(&decrypt_verify_qba, std::placeholders::_1, cipherText));
112 0 : return Error();
113 : }
114 :
115 0 : void QGpgMEDecryptVerifyJob::start(const std::shared_ptr<QIODevice> &cipherText, const std::shared_ptr<QIODevice> &plainText)
116 : {
117 0 : run(std::bind(&decrypt_verify, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), cipherText, plainText);
118 0 : }
119 :
120 : std::pair<GpgME::DecryptionResult, GpgME::VerificationResult>
121 0 : QGpgME::QGpgMEDecryptVerifyJob::exec(const QByteArray &cipherText, QByteArray &plainText)
122 : {
123 0 : const result_type r = decrypt_verify_qba(context(), cipherText);
124 0 : plainText = std::get<2>(r);
125 0 : resultHook(r);
126 0 : return mResult;
127 : }
128 :
129 : //PENDING(marc) implement showErrorDialog()
130 :
131 0 : void QGpgMEDecryptVerifyJob::resultHook(const result_type &tuple)
132 : {
133 0 : mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
134 0 : }
135 : #include "qgpgmedecryptverifyjob.moc"
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