qt: Add job for extracting encrypted and signed archives

* lang/qt/src/decryptverifyarchivejob.cpp,
lang/qt/src/decryptverifyarchivejob.h,
lang/qt/src/decryptverifyarchivejob_p.h,
lang/qt/src/qgpgmedecryptverifyarchivejob.cpp,
lang/qt/src/qgpgmedecryptverifyarchivejob.h: New.
* lang/qt/src/protocol.h (class Protocol): Add pure virtual member
function decryptVerifyArchiveJob
* lang/qt/src/protocol_p.h (Protocol::decryptVerifyArchiveJob): ... and
implement it.
* lang/qt/src/Makefile.am: Update accordingly.

* lang/qt/tests/run-decryptverifyarchivejob.cpp: New.
* lang/qt/tests/Makefile.am: Add new test runner.
--

GnuPG-bug-id: 6342

NEWS

@@ -34,7 +34,7 @@ Noteworthy changes in version 1.19.0 (unreleased)
 
  * qt: Allow deferred start of import jobs.  [T6323]
 
- * qt: Support creating signed and encrypted archives.  [T6342]
+ * qt: Support creating and extracting signed and encrypted archives.  [T6342]
 
  * Interface changes relative to the 1.18.0 release:
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -59,9 +59,11 @@ Noteworthy changes in version 1.19.0 (unreleased)
  qt: Job::startNow                          NEW.
  qt: ImportJob::startLater                  NEW.
  qt: FileListDataProvider                   NEW.
+ qt: DecryptVerifyArchiveJob                NEW.
  qt: EncryptArchiveJob                      NEW.
  qt: SignArchiveJob                         NEW.
  qt: SignEncryptArchiveJob                  NEW.
+ qt: Protocol::decryptVerifyArchiveJob      NEW.
  qt: Protocol::encryptArchiveJob            NEW.
  qt: Protocol::signArchiveJob               NEW.
  qt: Protocol::signEncryptArchiveJob        NEW.

lang/qt/src/Makefile.am

@@ -34,12 +34,14 @@ EXTRA_DIST = QGpgmeConfig.cmake.in.in QGpgmeConfigVersion.cmake.in \
 qgpgme_sources = \
     dataprovider.cpp \
     debug.cpp \
+    decryptverifyarchivejob.cpp \
     encryptarchivejob.cpp \
     filelistdataprovider.cpp \
     job.cpp multideletejob.cpp qgpgmeadduseridjob.cpp \
     qgpgmeaddexistingsubkeyjob.cpp \
     qgpgmebackend.cpp qgpgmechangeexpiryjob.cpp qgpgmechangeownertrustjob.cpp \
     qgpgmechangepasswdjob.cpp qgpgmedecryptjob.cpp \
+    qgpgmedecryptverifyarchivejob.cpp \
     qgpgmedecryptverifyjob.cpp qgpgmedeletejob.cpp qgpgmedownloadjob.cpp \
     qgpgmeencryptarchivejob.cpp \
     qgpgmeencryptjob.cpp qgpgmeexportjob.cpp qgpgmeimportfromkeyserverjob.cpp \
@@ -75,6 +77,7 @@ qgpgme_headers= \
     dataprovider.h \
     debug.h \
     decryptjob.h \
+    decryptverifyarchivejob.h \
     decryptverifyjob.h \
     downloadjob.h \
     encryptarchivejob.h \
@@ -126,6 +129,7 @@ camelcase_headers= \
     DataProvider \
     Debug \
     DecryptJob \
+    DecryptVerifyArchiveJob \
     DecryptVerifyJob \
     DN \
     DownloadJob \
@@ -168,6 +172,7 @@ camelcase_headers= \
 
 private_qgpgme_headers = \
     changeexpiryjob_p.h \
+    decryptverifyarchivejob_p.h \
     encryptarchivejob_p.h \
     encryptjob_p.h \
     importjob_p.h \
@@ -182,6 +187,7 @@ private_qgpgme_headers = \
     qgpgmechangeownertrustjob.h \
     qgpgmechangepasswdjob.h \
     qgpgmedecryptjob.h \
+    qgpgmedecryptverifyarchivejob.h \
     qgpgmedecryptverifyjob.h \
     qgpgmedeletejob.h \
     qgpgmedownloadjob.h \
@@ -224,6 +230,7 @@ qgpgme_moc_sources = \
     changeownertrustjob.moc \
     changepasswdjob.moc \
     decryptjob.moc \
+    decryptverifyarchivejob.moc \
     decryptverifyjob.moc \
     deletejob.moc \
     downloadjob.moc \
@@ -244,6 +251,7 @@ qgpgme_moc_sources = \
     qgpgmechangeownertrustjob.moc \
     qgpgmechangepasswdjob.moc \
     qgpgmedecryptjob.moc \
+    qgpgmedecryptverifyarchivejob.moc \
     qgpgmedecryptverifyjob.moc \
     qgpgmedeletejob.moc \
     qgpgmedownloadjob.moc \

lang/qt/src/decryptverifyarchivejob.cpp

@@ -0,0 +1,71 @@
+/*
+    decryptverifyarchivejob.cpp
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include "decryptverifyarchivejob.h"
+#include "decryptverifyarchivejob_p.h"
+
+#include <engineinfo.h>
+
+using namespace QGpgME;
+
+DecryptVerifyArchiveJob::DecryptVerifyArchiveJob(QObject *parent)
+    : Job{parent}
+{
+}
+
+DecryptVerifyArchiveJob::~DecryptVerifyArchiveJob() = default;
+
+// static
+bool DecryptVerifyArchiveJob::isSupported()
+{
+    static const auto gpgVersion = GpgME::engineInfo(GpgME::GpgEngine).engineVersion();
+    return (gpgVersion >= "2.4.1") || (gpgVersion >= "2.2.42" && gpgVersion < "2.3.0");
+}
+
+void DecryptVerifyArchiveJob::setOutputDirectory(const QString &outputDirectory)
+{
+    auto d = jobPrivate<DecryptVerifyArchiveJobPrivate>(this);
+    d->m_outputDirectory = outputDirectory;
+}
+
+QString DecryptVerifyArchiveJob::outputDirectory() const
+{
+    auto d = jobPrivate<DecryptVerifyArchiveJobPrivate>(this);
+    return d->m_outputDirectory;
+}
+
+#include "decryptverifyarchivejob.moc"

lang/qt/src/decryptverifyarchivejob.h

@@ -0,0 +1,91 @@
+/*
+    decryptverifyarchivejob.h
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__
+#define __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__
+
+#include "job.h"
+
+#ifdef BUILDING_QGPGME
+# include "context.h"
+#else
+# include <gpgme++/context.h>
+#endif
+
+namespace GpgME
+{
+class Key;
+}
+
+namespace QGpgME
+{
+
+/**
+ * Abstract base class for job for decrypting encrypted (signed) archives
+ */
+class QGPGME_EXPORT DecryptVerifyArchiveJob : public Job
+{
+    Q_OBJECT
+protected:
+    explicit DecryptVerifyArchiveJob(QObject *parent);
+public:
+    ~DecryptVerifyArchiveJob() override;
+
+    static bool isSupported();
+
+    void setOutputDirectory(const QString &outputDirectory);
+    QString outputDirectory() const;
+
+    /**
+     * Starts the decryption of an encrypted (and signed) archive.
+     *
+     * Decrypts and extracts the encrypted archive in \a cipherText. If the
+     * archive is signed, then the signature is verified.
+     * If a non-empty output directory was set, then the content of the archive
+     * is extracted into this directory. Otherwise, it is extracted into a
+     * directory named \c GPGARCH_n_ (where \c n is a number).
+     *
+     * Emits result() when the job has finished.
+     */
+    virtual GpgME::Error start(const std::shared_ptr<QIODevice> &cipherText) = 0;
+
+Q_SIGNALS:
+    void result(const GpgME::DecryptionResult &decryptionResult,
+                const GpgME::VerificationResult &verificationResult,
+                const QString &auditLogAsHtml = {},
+                const GpgME::Error &auditLogError = {});
+};
+
+}
+
+#endif // __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__

lang/qt/src/decryptverifyarchivejob_p.h

@@ -0,0 +1,49 @@
+/*
+    decryptverifyarchivejob_p.h
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __QGPGME_DECRYPTVERIFYARCHIVEJOB_P_H__
+#define __QGPGME_DECRYPTVERIFYARCHIVEJOB_P_H__
+
+#include "job_p.h"
+
+namespace QGpgME
+{
+
+struct DecryptVerifyArchiveJobPrivate : public JobPrivate
+{
+    QString m_outputDirectory;
+};
+
+}
+
+#endif // __QGPGME_DECRYPTVERIFYARCHIVEJOB_P_H__

lang/qt/src/protocol.h

@@ -60,6 +60,7 @@ class SignKeyJob;
 class VerifyDetachedJob;
 class VerifyOpaqueJob;
 class SignEncryptJob;
+class DecryptVerifyArchiveJob;
 class DecryptVerifyJob;
 class RefreshKeysJob;
 class ChangeExpiryJob;
@@ -196,6 +197,7 @@ public:
     virtual EncryptArchiveJob *encryptArchiveJob(bool armor = false) const = 0;
     virtual SignArchiveJob *signArchiveJob(bool armor = false) const = 0;
     virtual SignEncryptArchiveJob *signEncryptArchiveJob(bool armor = false) const = 0;
+    virtual DecryptVerifyArchiveJob *decryptVerifyArchiveJob() const = 0;
 };
 
 /** Obtain a reference to the OpenPGP Protocol.

lang/qt/src/protocol_p.h

@@ -41,6 +41,7 @@
 #include "qgpgmekeylistjob.h"
 #include "qgpgmelistallkeysjob.h"
 #include "qgpgmedecryptjob.h"
+#include "qgpgmedecryptverifyarchivejob.h"
 #include "qgpgmedecryptverifyjob.h"
 #include "qgpgmerefreshsmimekeysjob.h"
 #include "qgpgmedeletejob.h"
@@ -545,6 +546,17 @@ public:
         }
         return nullptr;
     }
+
+    QGpgME::DecryptVerifyArchiveJob *decryptVerifyArchiveJob() const override
+    {
+        if (mProtocol != GpgME::OpenPGP) {
+            return nullptr;
+        }
+        if (auto context = GpgME::Context::createForProtocol(mProtocol)) {
+            return new QGpgME::QGpgMEDecryptVerifyArchiveJob{context};
+        }
+        return nullptr;
+    }
 };
 
 }

lang/qt/src/qgpgmedecryptverifyarchivejob.cpp

@@ -0,0 +1,119 @@
+/*
+    qgpgmedecryptverifyarchivejob.cpp
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2004,2008 Klarälvdalens Datakonsult AB
+    Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
+    Software engineering by Intevation GmbH
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include "qgpgmedecryptverifyarchivejob.h"
+
+#include "dataprovider.h"
+#include "decryptverifyarchivejob_p.h"
+
+#include <data.h>
+
+using namespace QGpgME;
+using namespace GpgME;
+
+namespace
+{
+
+class QGpgMEDecryptVerifyArchiveJobPrivate : public DecryptVerifyArchiveJobPrivate
+{
+    QGpgMEDecryptVerifyArchiveJob *q = nullptr;
+
+public:
+    QGpgMEDecryptVerifyArchiveJobPrivate(QGpgMEDecryptVerifyArchiveJob *qq)
+        : q{qq}
+    {
+    }
+
+    ~QGpgMEDecryptVerifyArchiveJobPrivate() override = default;
+
+private:
+    void start() override
+    {
+        q->run();
+    }
+};
+
+}
+
+QGpgMEDecryptVerifyArchiveJob::QGpgMEDecryptVerifyArchiveJob(Context *context)
+    : mixin_type{context}
+{
+    setJobPrivate(this, std::unique_ptr<QGpgMEDecryptVerifyArchiveJobPrivate>{new QGpgMEDecryptVerifyArchiveJobPrivate{this}});
+    lateInitialization();
+}
+
+static QGpgMEDecryptVerifyArchiveJob::result_type decrypt_verify(Context *ctx,
+                                                                 QThread *thread,
+                                                                 const std::weak_ptr<QIODevice> &cipherText_,
+                                                                 const QString &outputDirectory)
+{
+    const std::shared_ptr<QIODevice> cipherText = cipherText_.lock();
+    const _detail::ToThreadMover ctMover(cipherText, thread);
+
+    QGpgME::QIODeviceDataProvider in{cipherText};
+    Data indata(&in);
+
+    Data outdata;
+    if (!outputDirectory.isEmpty()) {
+        outdata.setFileName(outputDirectory.toStdString());
+    }
+
+    const auto res = ctx->decryptAndVerify(indata, outdata, Context::DecryptArchive);
+    Error ae;
+    const QString log = _detail::audit_log_as_html(ctx, ae);
+    return std::make_tuple(res.first, res.second, log, ae);
+}
+
+GpgME::Error QGpgMEDecryptVerifyArchiveJob::start(const std::shared_ptr<QIODevice> &cipherText)
+{
+    if (!cipherText) {
+        return Error::fromCode(GPG_ERR_INV_VALUE);
+    }
+
+    run(std::bind(&decrypt_verify,
+                  std::placeholders::_1,
+                  std::placeholders::_2,
+                  std::placeholders::_3,
+                  outputDirectory()),
+        cipherText);
+    return {};
+}
+
+#include "qgpgmedecryptverifyarchivejob.moc"

lang/qt/src/qgpgmedecryptverifyarchivejob.h

@@ -0,0 +1,68 @@
+/*
+    qgpgmedecryptverifyarchivejob.h
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __QGPGME_QGPGMEDECRYPTVERIFYARCHIVEJOB_H__
+#define __QGPGME_QGPGMEDECRYPTVERIFYARCHIVEJOB_H__
+
+#include "decryptverifyarchivejob.h"
+
+#include "threadedjobmixin.h"
+
+#include <decryptionresult.h>
+#include <verificationresult.h>
+
+namespace QGpgME
+{
+
+class QGpgMEDecryptVerifyArchiveJob
+#ifdef Q_MOC_RUN
+    : public DecryptVerifyArchiveJob
+#else
+    : public _detail::ThreadedJobMixin<DecryptVerifyArchiveJob, std::tuple<GpgME::DecryptionResult, GpgME::VerificationResult, QString, GpgME::Error>>
+#endif
+{
+    Q_OBJECT
+#ifdef Q_MOC_RUN
+public Q_SLOTS:
+    void slotFinished();
+#endif
+public:
+    explicit QGpgMEDecryptVerifyArchiveJob(GpgME::Context *context);
+    ~QGpgMEDecryptVerifyArchiveJob() = default;
+
+    GpgME::Error start(const std::shared_ptr<QIODevice> &cipherText) override;
+};
+
+}
+
+#endif // __QGPGME_QGPGMEDECRYPTVERIFYARCHIVEJOB_H__

lang/qt/tests/Makefile.am

@@ -86,6 +86,7 @@ t_wkdlookup_SOURCES = t-wkdlookup.cpp $(support_src)
 t_import_SOURCES = t-import.cpp $(support_src)
 t_revokekey_SOURCES = t-revokekey.cpp $(support_src)
 t_setprimaryuserid_SOURCES = t-setprimaryuserid.cpp $(support_src)
+run_decryptverifyarchivejob_SOURCES = run-decryptverifyarchivejob.cpp
 run_encryptarchivejob_SOURCES = run-encryptarchivejob.cpp
 run_exportjob_SOURCES = run-exportjob.cpp
 run_importjob_SOURCES = run-importjob.cpp
@@ -104,6 +105,7 @@ noinst_PROGRAMS = \
 	run-keyformailboxjob t-wkspublish t-verify t-various t-config t-remarks \
 	t-trustsignatures t-changeexpiryjob t-wkdlookup t-import t-revokekey \
 	t-setprimaryuserid \
+	run-decryptverifyarchivejob \
 	run-encryptarchivejob \
 	run-importjob run-exportjob run-receivekeysjob run-refreshkeysjob \
 	run-signarchivejob

lang/qt/tests/run-decryptverifyarchivejob.cpp

@@ -0,0 +1,141 @@
+/*
+    run-decryptverifyarchivejob.cpp
+
+    This file is part of QGpgME's test suite.
+    Copyright (c) 2023 by g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License,
+    version 2, as published by the Free Software Foundation.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifdef HAVE_CONFIG_H
+ #include "config.h"
+#endif
+
+#include <decryptverifyarchivejob.h>
+#include <protocol.h>
+
+#include <QCommandLineParser>
+#include <QCoreApplication>
+#include <QDebug>
+#include <QFile>
+
+#include <context.h>
+#include <decryptionresult.h>
+#include <verificationresult.h>
+
+#include <iostream>
+
+using namespace GpgME;
+
+std::ostream &operator<<(std::ostream &os, const QString &s)
+{
+    return os << s.toLocal8Bit().constData();
+}
+
+struct CommandLineOptions {
+    QString outputDirectory;
+    QString archiveName;
+};
+
+CommandLineOptions parseCommandLine(const QStringList &arguments)
+{
+    CommandLineOptions options;
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription("Test program for DecryptVerifyArchiveJob");
+    parser.addHelpOption();
+    parser.addOptions({
+        {{"C", "directory"}, "Extract the files into the directory DIRECTORY.", "DIRECTORY"},
+    });
+    parser.addPositionalArgument("archive", "The archive to decrypt and extract");
+
+    parser.process(arguments);
+
+    const auto args = parser.positionalArguments();
+    if (args.size() != 1) {
+        parser.showHelp(1);
+    }
+
+    options.outputDirectory = parser.value("directory");
+    options.archiveName = args.first();
+
+    return options;
+}
+
+std::shared_ptr<QIODevice> createInput(const QString &fileName)
+{
+    std::shared_ptr<QFile> input;
+
+    if (!QFile::exists(fileName)) {
+        qCritical() << "Error: File" << fileName << "does not exist.";
+    } else {
+        input.reset(new QFile{fileName});
+        input->open(QIODevice::ReadOnly);
+    }
+
+    return input;
+}
+
+int main(int argc, char **argv)
+{
+    GpgME::initializeLibrary();
+
+    QCoreApplication app{argc, argv};
+    app.setApplicationName("run-decryptverifyarchivejob");
+
+    const auto options = parseCommandLine(app.arguments());
+
+    if (!QGpgME::DecryptVerifyArchiveJob::isSupported()) {
+        std::cerr << "Error: Decrypting and extracting archives is not supported by your version of gpg." << std::endl;
+        return 1;
+    }
+
+    auto input = createInput(options.archiveName);
+    if (!input) {
+        return 1;
+    }
+
+    auto job = QGpgME::openpgp()->decryptVerifyArchiveJob();
+    if (!job) {
+        std::cerr << "Error: Could not create job" << std::endl;
+        return 1;
+    }
+    job->setOutputDirectory(options.outputDirectory);
+    QObject::connect(job, &QGpgME::DecryptVerifyArchiveJob::result, &app, [](const GpgME::DecryptionResult &decryptionResult, const GpgME::VerificationResult &verificationResult, const QString &auditLog, const GpgME::Error &) {
+        std::cerr << "Diagnostics: " << auditLog << std::endl;
+        std::cerr << "Decryption Result: " << decryptionResult << std::endl;
+        std::cerr << "Verification Result: " << verificationResult << std::endl;
+        qApp->quit();
+    });
+
+    const auto err = job->start(input);
+    if (err) {
+        std::cerr << "Error: Starting the job failed: " << err.asString() << std::endl;
+        return 1;
+    }
+
+    return app.exec();
+}