1 files changed, 0 insertions, 468 deletions
diff --git a/3rd-party/SingleApplication/singleapplication.cpp b/3rd-party/SingleApplication/singleapplication.cpp
deleted file mode 100644
index c74d6db..0000000
--- a/3rd-party/SingleApplication/singleapplication.cpp
+++ /dev/null
@@ -1,468 +0,0 @@
-// The MIT License (MIT)
-//
-// Copyright (c) Itay Grudev 2015 - 2016
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <cstdlib>
-
-#include <QtCore/QDir>
-#include <QtCore/QProcess>
-#include <QtCore/QByteArray>
-#include <QtCore/QSemaphore>
-#include <QtCore/QSharedMemory>
-#include <QtCore/QStandardPaths>
-#include <QtCore/QCryptographicHash>
-#include <QtCore/QDataStream>
-#include <QtNetwork/QLocalServer>
-#include <QtNetwork/QLocalSocket>
-
-#ifdef Q_OS_UNIX
-    #include <signal.h>
-    #include <unistd.h>
-#endif
-
-#ifdef Q_OS_WIN
-    #include <windows.h>
-    #include <lmcons.h>
-#endif
-
-#include "singleapplication.h"
-#include "singleapplication_p.h"
-
-
-SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr ) : q_ptr( q_ptr ) {
-    server = nullptr;
-    socket = nullptr;
-}
-
-SingleApplicationPrivate::~SingleApplicationPrivate()
-{
-    if( socket != nullptr ) {
-        socket->close();
-        delete socket;
-    }
-
-    memory->lock();
-    InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
-    if( server != nullptr ) {
-        server->close();
-        delete server;
-        inst->primary = false;
-        inst->primaryPid = -1;
-    }
-    memory->unlock();
-
-    delete memory;
-}
-
-void SingleApplicationPrivate::genBlockServerName( int timeout )
-{
-    QCryptographicHash appData( QCryptographicHash::Sha256 );
-    appData.addData( "SingleApplication", 17 );
-    appData.addData( SingleApplication::app_t::applicationName().toUtf8() );
-    appData.addData( SingleApplication::app_t::organizationName().toUtf8() );
-    appData.addData( SingleApplication::app_t::organizationDomain().toUtf8() );
-
-    if( ! (options & SingleApplication::Mode::ExcludeAppVersion) ) {
-        appData.addData( SingleApplication::app_t::applicationVersion().toUtf8() );
-    }
-
-    if( ! (options & SingleApplication::Mode::ExcludeAppPath) ) {
-#ifdef Q_OS_WIN
-        appData.addData( SingleApplication::app_t::applicationFilePath().toLower().toUtf8() );
-#else
-        appData.addData( SingleApplication::app_t::applicationFilePath().toUtf8() );
-#endif
-    }
-
-    // User level block requires a user specific data in the hash
-    if( options & SingleApplication::Mode::User ) {
-#ifdef Q_OS_WIN
-        Q_UNUSED(timeout);
-        wchar_t username [ UNLEN + 1 ];
-        // Specifies size of the buffer on input
-        DWORD usernameLength = UNLEN + 1;
-        if( GetUserNameW( username, &usernameLength ) ) {
-            appData.addData( QString::fromWCharArray(username).toUtf8() );
-        } else {
-            appData.addData( QStandardPaths::standardLocations( QStandardPaths::HomeLocation ).join("").toUtf8() );
-        }
-#endif
-#ifdef Q_OS_UNIX
-        QProcess process;
-        process.start( "whoami" );
-        if( process.waitForFinished( timeout ) &&
-            process.exitCode() == QProcess::NormalExit) {
-            appData.addData( process.readLine() );
-        } else {
-            appData.addData(
-                QDir(
-                    QStandardPaths::standardLocations( QStandardPaths::HomeLocation ).first()
-                ).absolutePath().toUtf8()
-            );
-        }
-#endif
-    }
-
-    // Replace the backslash in RFC 2045 Base64 [a-zA-Z0-9+/=] to comply with
-    // server naming requirements.
-    blockServerName = appData.result().toBase64().replace("/", "_");
-}
-
-void SingleApplicationPrivate::startPrimary( bool resetMemory )
-{
-    Q_Q(SingleApplication);
-
-#ifdef Q_OS_UNIX
-    // Handle any further termination signals to ensure the
-    // QSharedMemory block is deleted even if the process crashes
-    crashHandler();
-#endif
-    // Successful creation means that no main process exists
-    // So we start a QLocalServer to listen for connections
-    QLocalServer::removeServer( blockServerName );
-    server = new QLocalServer();
-
-    // Restrict access to the socket according to the
-    // SingleApplication::Mode::User flag on User level or no restrictions
-    if( options & SingleApplication::Mode::User ) {
-      server->setSocketOptions( QLocalServer::UserAccessOption );
-    } else {
-      server->setSocketOptions( QLocalServer::WorldAccessOption );
-    }
-
-    server->listen( blockServerName );
-    QObject::connect(
-        server,
-        &QLocalServer::newConnection,
-        this,
-        &SingleApplicationPrivate::slotConnectionEstablished
-    );
-
-    // Reset the number of connections
-    memory->lock();
-    InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
-
-    if( resetMemory ) {
-        inst->secondary = 0;
-    }
-
-    inst->primary = true;
-    inst->primaryPid = q->applicationPid();
-
-    memory->unlock();
-
-    instanceNumber = 0;
-}
-
-void SingleApplicationPrivate::startSecondary()
-{
-#ifdef Q_OS_UNIX
-    // Handle any further termination signals to ensure the
-    // QSharedMemory block is deleted even if the process crashes
-    crashHandler();
-#endif
-}
-
-void SingleApplicationPrivate::connectToPrimary( int msecs, ConnectionType connectionType )
-{
-    // Connect to the Local Server of the Primary Instance if not already
-    // connected.
-    if( socket == nullptr ) {
-        socket = new QLocalSocket();
-    }
-
-    // If already connected - we are done;
-    if( socket->state() == QLocalSocket::ConnectedState )
-        return;
-
-    // If not connect
-    if( socket->state() == QLocalSocket::UnconnectedState ||
-        socket->state() == QLocalSocket::ClosingState ) {
-        socket->connectToServer( blockServerName );
-    }
-
-    // Wait for being connected
-    if( socket->state() == QLocalSocket::ConnectingState ) {
-        socket->waitForConnected( msecs );
-    }
-
-    // Initialisation message according to the SingleApplication protocol
-    if( socket->state() == QLocalSocket::ConnectedState ) {
-        // Notify the parent that a new instance had been started;
-        QByteArray initMsg;
-        QDataStream writeStream(&initMsg, QIODevice::WriteOnly);
-        writeStream.setVersion(QDataStream::Qt_5_6);
-        writeStream << blockServerName.toLatin1();
-        writeStream << static_cast<quint8>(connectionType);
-        writeStream << instanceNumber;
-        quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length()));
-        writeStream << checksum;
-
-        socket->write( initMsg );
-        socket->flush();
-        socket->waitForBytesWritten( msecs );
-    }
-}
-
-qint64 SingleApplicationPrivate::primaryPid()
-{
-    qint64 pid;
-
-    memory->lock();
-    InstancesInfo* inst = static_cast<InstancesInfo*>(memory->data());
-    pid = inst->primaryPid;
-    memory->unlock();
-
-    return pid;
-}
-
-#ifdef Q_OS_UNIX
-    void SingleApplicationPrivate::crashHandler()
-    {
-        // Handle any further termination signals to ensure the
-        // QSharedMemory block is deleted even if the process crashes
-        signal( SIGHUP,  SingleApplicationPrivate::terminate ); // 1
-        signal( SIGINT,  SingleApplicationPrivate::terminate ); // 2
-        signal( SIGQUIT, SingleApplicationPrivate::terminate ); // 3
-        signal( SIGILL,  SingleApplicationPrivate::terminate ); // 4
-        signal( SIGABRT, SingleApplicationPrivate::terminate ); // 6
-        signal( SIGFPE,  SingleApplicationPrivate::terminate ); // 8
-        signal( SIGBUS,  SingleApplicationPrivate::terminate ); // 10
-        signal( SIGSEGV, SingleApplicationPrivate::terminate ); // 11
-        signal( SIGSYS,  SingleApplicationPrivate::terminate ); // 12
-        signal( SIGPIPE, SingleApplicationPrivate::terminate ); // 13
-        signal( SIGALRM, SingleApplicationPrivate::terminate ); // 14
-        signal( SIGTERM, SingleApplicationPrivate::terminate ); // 15
-        signal( SIGXCPU, SingleApplicationPrivate::terminate ); // 24
-        signal( SIGXFSZ, SingleApplicationPrivate::terminate ); // 25
-    }
-
-    void SingleApplicationPrivate::terminate( int signum )
-    {
-        delete ((SingleApplication*)QCoreApplication::instance())->d_ptr;
-        ::exit( 128 + signum );
-    }
-#endif
-
-/**
- * @brief Executed when a connection has been made to the LocalServer
- */
-void SingleApplicationPrivate::slotConnectionEstablished()
-{
-    Q_Q(SingleApplication);
-
-    QLocalSocket *nextConnSocket = server->nextPendingConnection();
-
-    quint32 instanceId = 0;
-    ConnectionType connectionType = InvalidConnection;
-    if( nextConnSocket->waitForReadyRead( 100 ) ) {
-        // read all data from message in same order/format as written
-        QByteArray msgBytes = nextConnSocket->read(nextConnSocket->bytesAvailable() - static_cast<qint64>(sizeof(quint16)));
-        QByteArray checksumBytes = nextConnSocket->read(sizeof(quint16));
-        QDataStream readStream(msgBytes);
-        readStream.setVersion(QDataStream::Qt_5_6);
-
-        // server name
-        QByteArray latin1Name;
-        readStream >> latin1Name;
-        // connectioon type
-        quint8 connType = InvalidConnection;
-        readStream >> connType;
-        connectionType = static_cast<ConnectionType>(connType);
-        // instance id
-        readStream >> instanceId;
-        // checksum
-        quint16 msgChecksum = 0;
-        QDataStream checksumStream(checksumBytes);
-        checksumStream.setVersion(QDataStream::Qt_5_6);
-        checksumStream >> msgChecksum;
-
-        const quint16 actualChecksum = qChecksum(msgBytes.constData(), static_cast<quint32>(msgBytes.length()));
-
-        if (readStream.status() != QDataStream::Ok || QLatin1String(latin1Name) != blockServerName || msgChecksum != actualChecksum) {
-          connectionType = InvalidConnection;
-        }
-    }
-
-    if( connectionType == InvalidConnection ) {
-        nextConnSocket->close();
-        delete nextConnSocket;
-        return;
-    }
-
-    QObject::connect(
-        nextConnSocket,
-        &QLocalSocket::aboutToClose,
-        this,
-        [nextConnSocket, instanceId, this]() {
-            Q_EMIT this->slotClientConnectionClosed( nextConnSocket, instanceId );
-        }
-    );
-
-    QObject::connect(
-        nextConnSocket,
-        &QLocalSocket::readyRead,
-        this,
-        [nextConnSocket, instanceId, this]() {
-            Q_EMIT this->slotDataAvailable( nextConnSocket, instanceId );
-        }
-    );
-
-    if( connectionType == NewInstance || (
-            connectionType == SecondaryInstance &&
-            options & SingleApplication::Mode::SecondaryNotification
-        )
-    ) {
-        Q_EMIT q->instanceStarted();
-    }
-
-    if( nextConnSocket->bytesAvailable() > 0 ) {
-        Q_EMIT this->slotDataAvailable( nextConnSocket, instanceId );
-    }
-}
-
-void SingleApplicationPrivate::slotDataAvailable( QLocalSocket *dataSocket, quint32 instanceId )
-{
-    Q_Q(SingleApplication);
-    Q_EMIT q->receivedMessage( instanceId, dataSocket->readAll() );
-}
-
-void SingleApplicationPrivate::slotClientConnectionClosed( QLocalSocket *closedSocket, quint32 instanceId )
-{
-    if( closedSocket->bytesAvailable() > 0 )
-        Q_EMIT slotDataAvailable( closedSocket, instanceId  );
-    closedSocket->deleteLater();
-}
-
-/**
- * @brief Constructor. Checks and fires up LocalServer or closes the program
- * if another instance already exists
- * @param argc
- * @param argv
- * @param {bool} allowSecondaryInstances
- */
-SingleApplication::SingleApplication( int &argc, char *argv[], bool allowSecondary, Options options, int timeout )
-    : app_t( argc, argv ), d_ptr( new SingleApplicationPrivate( this ) )
-{
-    Q_D(SingleApplication);
-
-    // Store the current mode of the program
-    d->options = options;
-
-    // Generating an application ID used for identifying the shared memory
-    // block and QLocalServer
-    d->genBlockServerName( timeout );
-
-    // Guarantee thread safe behaviour with a shared memory block. Also by
-    // explicitly attaching it and then deleting it we make sure that the
-    // memory is deleted even if the process had crashed on Unix.
-#ifdef Q_OS_UNIX
-    d->memory = new QSharedMemory( d->blockServerName );
-    d->memory->attach();
-    delete d->memory;
-#endif
-    d->memory = new QSharedMemory( d->blockServerName );
-
-    // Create a shared memory block
-    if( d->memory->create( sizeof( InstancesInfo ) ) ) {
-        d->startPrimary( true );
-        return;
-    } else {
-        // Attempt to attach to the memory segment
-        if( d->memory->attach() ) {
-            d->memory->lock();
-            InstancesInfo* inst = static_cast<InstancesInfo*>(d->memory->data());
-
-            if( ! inst->primary ) {
-                d->startPrimary( false );
-                d->memory->unlock();
-                return;
-            }
-
-            // Check if another instance can be started
-            if( allowSecondary ) {
-                inst->secondary += 1;
-                d->instanceNumber = inst->secondary;
-                d->startSecondary();
-                if( d->options & Mode::SecondaryNotification ) {
-                    d->connectToPrimary( timeout, SingleApplicationPrivate::SecondaryInstance );
-                }
-                d->memory->unlock();
-                return;
-            }
-
-            d->memory->unlock();
-        }
-    }
-
-    d->connectToPrimary( timeout, SingleApplicationPrivate::NewInstance );
-    delete d;
-    ::exit( EXIT_SUCCESS );
-}
-
-/**
- * @brief Destructor
- */
-SingleApplication::~SingleApplication()
-{
-    Q_D(SingleApplication);
-    delete d;
-}
-
-bool SingleApplication::isPrimary()
-{
-    Q_D(SingleApplication);
-    return d->server != nullptr;
-}
-
-bool SingleApplication::isSecondary()
-{
-    Q_D(SingleApplication);
-    return d->server == nullptr;
-}
-
-quint32 SingleApplication::instanceId()
-{
-    Q_D(SingleApplication);
-    return d->instanceNumber;
-}
-
-qint64 SingleApplication::primaryPid()
-{
-    Q_D(SingleApplication);
-    return d->primaryPid();
-}
-
-bool SingleApplication::sendMessage( QByteArray message, int timeout )
-{
-    Q_D(SingleApplication);
-
-    // Nobody to connect to
-    if( isPrimary() ) return false;
-
-    // Make sure the socket is connected
-    d->connectToPrimary( timeout,  SingleApplicationPrivate::Reconnect );
-
-    d->socket->write( message );
-    bool dataWritten = d->socket->flush();
-    d->socket->waitForBytesWritten( timeout );
-    return dataWritten;
-}