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authorNicolas Werner <nicolas.werner@hotmail.de>2020-05-25 13:01:37 +0200
committerNicolas Werner <nicolas.werner@hotmail.de>2020-05-26 22:54:51 +0200
commitfe45c49e56eb167d0dd950e473de7576cd333faf (patch)
treece4adb1a835636a85d15fa0357778643752645c3 /third_party/SingleApplication-3.0.19/singleapplication_p.cpp
parentSet cxx standard as cache variable for when toolchain file is not used (diff)
downloadnheko-fe45c49e56eb167d0dd950e473de7576cd333faf.tar.xz
Bump singleapplication version
Diffstat (limited to 'third_party/SingleApplication-3.0.19/singleapplication_p.cpp')
-rw-r--r--third_party/SingleApplication-3.0.19/singleapplication_p.cpp405
1 files changed, 0 insertions, 405 deletions
diff --git a/third_party/SingleApplication-3.0.19/singleapplication_p.cpp b/third_party/SingleApplication-3.0.19/singleapplication_p.cpp
deleted file mode 100644

index 884fe631..00000000 --- a/third_party/SingleApplication-3.0.19/singleapplication_p.cpp +++ /dev/null
@@ -1,405 +0,0 @@ -// The MIT License (MIT) -// -// Copyright (c) Itay Grudev 2015 - 2018 -// -// 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. - -// -// W A R N I N G !!! -// ----------------- -// -// This file is not part of the SingleApplication API. It is used purely as an -// implementation detail. This header file may change from version to -// version without notice, or may even be removed. -// - -#include <cstdlib> -#include <cstddef> - -#include <QtCore/QDir> -#include <QtCore/QByteArray> -#include <QtCore/QDataStream> -#include <QtCore/QCryptographicHash> -#include <QtNetwork/QLocalServer> -#include <QtNetwork/QLocalSocket> - -#include "singleapplication.h" -#include "singleapplication_p.h" - -#ifdef Q_OS_UNIX - #include <unistd.h> - #include <sys/types.h> - #include <pwd.h> -#endif - -#ifdef Q_OS_WIN - #include <windows.h> - #include <lmcons.h> -#endif - -SingleApplicationPrivate::SingleApplicationPrivate( SingleApplication *q_ptr ) - : q_ptr( q_ptr ) -{ - server = nullptr; - socket = nullptr; - memory = nullptr; - instanceNumber = -1; -} - -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; - inst->checksum = blockChecksum(); - } - memory->unlock(); - - delete memory; -} - -void SingleApplicationPrivate::genBlockServerName() -{ - 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 - 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( qgetenv("USERNAME") ); - } -#endif -#ifdef Q_OS_UNIX - QByteArray username; - uid_t uid = geteuid(); - struct passwd *pw = getpwuid(uid); - if( pw ) { - username = pw->pw_name; - } - if( username.isEmpty() ) { - username = qgetenv("USER"); - } - appData.addData(username); -#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::initializeMemoryBlock() -{ - InstancesInfo* inst = static_cast<InstancesInfo*>( memory->data() ); - inst->primary = false; - inst->secondary = 0; - inst->primaryPid = -1; - inst->checksum = blockChecksum(); -} - -void SingleApplicationPrivate::startPrimary() -{ - Q_Q(SingleApplication); - - // 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 - InstancesInfo* inst = static_cast <InstancesInfo*>( memory->data() ); - - inst->primary = true; - inst->primaryPid = q->applicationPid(); - inst->checksum = blockChecksum(); - - instanceNumber = 0; -} - -void SingleApplicationPrivate::startSecondary() -{ -} - -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); - -#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)) - writeStream.setVersion(QDataStream::Qt_5_6); -#endif - - writeStream << blockServerName.toLatin1(); - writeStream << static_cast<quint8>(connectionType); - writeStream << instanceNumber; - quint16 checksum = qChecksum(initMsg.constData(), static_cast<quint32>(initMsg.length())); - writeStream << checksum; - - // The header indicates the message length that follows - QByteArray header; - QDataStream headerStream(&header, QIODevice::WriteOnly); - -#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)) - headerStream.setVersion(QDataStream::Qt_5_6); -#endif - headerStream << static_cast <quint64>( initMsg.length() ); - - socket->write( header ); - socket->write( initMsg ); - socket->flush(); - socket->waitForBytesWritten( msecs ); - } -} - -quint16 SingleApplicationPrivate::blockChecksum() -{ - return qChecksum( - static_cast <const char *>( memory->data() ), - offsetof( InstancesInfo, checksum ) - ); -} - -qint64 SingleApplicationPrivate::primaryPid() -{ - qint64 pid; - - memory->lock(); - InstancesInfo* inst = static_cast<InstancesInfo*>( memory->data() ); - pid = inst->primaryPid; - memory->unlock(); - - return pid; -} - -/** - * @brief Executed when a connection has been made to the LocalServer - */ -void SingleApplicationPrivate::slotConnectionEstablished() -{ - QLocalSocket *nextConnSocket = server->nextPendingConnection(); - connectionMap.insert(nextConnSocket, ConnectionInfo()); - - QObject::connect(nextConnSocket, &QLocalSocket::aboutToClose, - [nextConnSocket, this]() { - auto &info = connectionMap[nextConnSocket]; - Q_EMIT this->slotClientConnectionClosed( nextConnSocket, info.instanceId ); - } - ); - - QObject::connect(nextConnSocket, &QLocalSocket::disconnected, - [nextConnSocket, this](){ - connectionMap.remove(nextConnSocket); - nextConnSocket->deleteLater(); - } - ); - - QObject::connect(nextConnSocket, &QLocalSocket::readyRead, - [nextConnSocket, this]() { - auto &info = connectionMap[nextConnSocket]; - switch(info.stage) { - case StageHeader: - readInitMessageHeader(nextConnSocket); - break; - case StageBody: - readInitMessageBody(nextConnSocket); - break; - case StageConnected: - Q_EMIT this->slotDataAvailable( nextConnSocket, info.instanceId ); - break; - default: - break; - }; - } - ); -} - -void SingleApplicationPrivate::readInitMessageHeader( QLocalSocket *sock ) -{ - if (!connectionMap.contains( sock )) { - return; - } - - if( sock->bytesAvailable() < ( qint64 )sizeof( quint64 ) ) { - return; - } - - QDataStream headerStream( sock ); - -#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)) - headerStream.setVersion( QDataStream::Qt_5_6 ); -#endif - - // Read the header to know the message length - quint64 msgLen = 0; - headerStream >> msgLen; - ConnectionInfo &info = connectionMap[sock]; - info.stage = StageBody; - info.msgLen = msgLen; - - if ( sock->bytesAvailable() >= (qint64) msgLen ) { - readInitMessageBody( sock ); - } -} - -void SingleApplicationPrivate::readInitMessageBody( QLocalSocket *sock ) -{ - Q_Q(SingleApplication); - - if (!connectionMap.contains( sock )) { - return; - } - - ConnectionInfo &info = connectionMap[sock]; - if( sock->bytesAvailable() < ( qint64 )info.msgLen ) { - return; - } - - // Read the message body - QByteArray msgBytes = sock->read(info.msgLen); - QDataStream readStream(msgBytes); - -#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)) - readStream.setVersion( QDataStream::Qt_5_6 ); -#endif - - // server name - QByteArray latin1Name; - readStream >> latin1Name; - - // connection type - ConnectionType connectionType = InvalidConnection; - quint8 connTypeVal = InvalidConnection; - readStream >> connTypeVal; - connectionType = static_cast <ConnectionType>( connTypeVal ); - - // instance id - quint32 instanceId = 0; - readStream >> instanceId; - - // checksum - quint16 msgChecksum = 0; - readStream >> msgChecksum; - - const quint16 actualChecksum = qChecksum( msgBytes.constData(), static_cast<quint32>( msgBytes.length() - sizeof( quint16 ) ) ); - - bool isValid = readStream.status() == QDataStream::Ok && - QLatin1String(latin1Name) == blockServerName && - msgChecksum == actualChecksum; - - if( !isValid ) { - sock->close(); - return; - } - - info.instanceId = instanceId; - info.stage = StageConnected; - - if( connectionType == NewInstance || - ( connectionType == SecondaryInstance && - options & SingleApplication::Mode::SecondaryNotification ) ) - { - Q_EMIT q->instanceStarted(); - } - - if (sock->bytesAvailable() > 0) { - Q_EMIT this->slotDataAvailable( sock, 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 ); -}