Line data Source code
1 : /*
2 : qgpgmesignencryptjob.cpp
3 :
4 : This file is part of qgpgme, the Qt API binding for gpgme
5 : Copyright (c) 2004, 2007 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 "qgpgmesignencryptjob.h"
40 :
41 : #include "dataprovider.h"
42 :
43 : #include "context.h"
44 : #include "data.h"
45 : #include "key.h"
46 : #include "exception.h"
47 :
48 : #include <QBuffer>
49 :
50 :
51 : #include <cassert>
52 :
53 : using namespace QGpgME;
54 : using namespace GpgME;
55 :
56 1 : QGpgMESignEncryptJob::QGpgMESignEncryptJob(Context *context)
57 : : mixin_type(context),
58 1 : mOutputIsBase64Encoded(false)
59 : {
60 1 : lateInitialization();
61 1 : }
62 :
63 2 : QGpgMESignEncryptJob::~QGpgMESignEncryptJob() {}
64 :
65 0 : void QGpgMESignEncryptJob::setOutputIsBase64Encoded(bool on)
66 : {
67 0 : mOutputIsBase64Encoded = on;
68 0 : }
69 :
70 1 : static QGpgMESignEncryptJob::result_type sign_encrypt(Context *ctx, QThread *thread, const std::vector<Key> &signers,
71 : const std::vector<Key> &recipients, const std::weak_ptr<QIODevice> &plainText_,
72 : const std::weak_ptr<QIODevice> &cipherText_, const Context::EncryptionFlags eflags, bool outputIsBsse64Encoded)
73 : {
74 2 : const std::shared_ptr<QIODevice> &plainText = plainText_.lock();
75 2 : const std::shared_ptr<QIODevice> &cipherText = cipherText_.lock();
76 :
77 2 : const _detail::ToThreadMover ctMover(cipherText, thread);
78 2 : const _detail::ToThreadMover ptMover(plainText, thread);
79 :
80 2 : QGpgME::QIODeviceDataProvider in(plainText);
81 2 : const Data indata(&in);
82 :
83 1 : ctx->clearSigningKeys();
84 2 : Q_FOREACH (const Key &signer, signers)
85 1 : if (!signer.isNull())
86 2 : if (const Error err = ctx->addSigningKey(signer)) {
87 0 : return std::make_tuple(SigningResult(err), EncryptionResult(), QByteArray(), QString(), Error());
88 : }
89 :
90 1 : if (!cipherText) {
91 2 : QGpgME::QByteArrayDataProvider out;
92 2 : Data outdata(&out);
93 :
94 1 : if (outputIsBsse64Encoded) {
95 0 : outdata.setEncoding(Data::Base64Encoding);
96 : }
97 :
98 2 : const std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
99 2 : Error ae;
100 2 : const QString log = _detail::audit_log_as_html(ctx, ae);
101 1 : return std::make_tuple(res.first, res.second, out.data(), log, ae);
102 : } else {
103 0 : QGpgME::QIODeviceDataProvider out(cipherText);
104 0 : Data outdata(&out);
105 :
106 0 : if (outputIsBsse64Encoded) {
107 0 : outdata.setEncoding(Data::Base64Encoding);
108 : }
109 :
110 0 : const std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
111 0 : Error ae;
112 0 : const QString log = _detail::audit_log_as_html(ctx, ae);
113 0 : return std::make_tuple(res.first, res.second, QByteArray(), log, ae);
114 : }
115 :
116 : }
117 :
118 1 : static QGpgMESignEncryptJob::result_type sign_encrypt_qba(Context *ctx, const std::vector<Key> &signers,
119 : const std::vector<Key> &recipients, const QByteArray &plainText, const Context::EncryptionFlags eflags, bool outputIsBsse64Encoded)
120 : {
121 2 : const std::shared_ptr<QBuffer> buffer(new QBuffer);
122 1 : buffer->setData(plainText);
123 1 : if (!buffer->open(QIODevice::ReadOnly)) {
124 0 : assert(!"This should never happen: QBuffer::open() failed");
125 : }
126 2 : return sign_encrypt(ctx, 0, signers, recipients, buffer, std::shared_ptr<QIODevice>(), eflags, outputIsBsse64Encoded);
127 : }
128 :
129 0 : Error QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust)
130 : {
131 0 : run(std::bind(&sign_encrypt_qba, std::placeholders::_1, signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, mOutputIsBase64Encoded));
132 0 : return Error();
133 : }
134 :
135 0 : void QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients,
136 : const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &cipherText, const Context::EncryptionFlags eflags)
137 : {
138 0 : run(std::bind(&sign_encrypt, std::placeholders::_1, std::placeholders::_2, signers, recipients, std::placeholders::_3, std::placeholders::_4, eflags, mOutputIsBase64Encoded), plainText, cipherText);
139 0 : }
140 :
141 0 : void QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients, const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &cipherText, bool alwaysTrust)
142 : {
143 0 : return start(signers, recipients, plainText, cipherText, alwaysTrust ? Context::AlwaysTrust : Context::None);
144 : }
145 :
146 1 : std::pair<SigningResult, EncryptionResult> QGpgMESignEncryptJob::exec(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, const Context::EncryptionFlags eflags, QByteArray &cipherText)
147 : {
148 2 : const result_type r = sign_encrypt_qba(context(), signers, recipients, plainText, eflags, mOutputIsBase64Encoded);
149 1 : cipherText = std::get<2>(r);
150 1 : resultHook(r);
151 2 : return mResult;
152 : }
153 :
154 0 : std::pair<SigningResult, EncryptionResult> QGpgMESignEncryptJob::exec(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust, QByteArray &cipherText)
155 : {
156 0 : return exec(signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, cipherText);
157 : }
158 :
159 :
160 : #if 0
161 :
162 : TODO port?
163 : void QGpgMESignEncryptJob::showErrorDialog(QWidget *parent, const QString &caption) const
164 : {
165 : if ((mResult.first.error() && !mResult.first.error().isCanceled()) ||
166 : (mResult.second.error() && !mResult.second.error().isCanceled())) {
167 : MessageBox::error(parent, mResult.first, mResult.second, this, caption);
168 : }
169 : }
170 : #endif
171 :
172 1 : void QGpgMESignEncryptJob::resultHook(const result_type &tuple)
173 : {
174 1 : mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
175 1 : }
176 : #include "qgpgmesignencryptjob.moc"
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