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#ifndef SSL_CLIENT_H
#define SSL_CLIENT_H
#include <QAbstractSocket>
#include <QObject>
#include <QSslSocket>
#include "client.h"
using std::string;
class QByteArray;
class QSslError;
class QString;
/**
* @brief Client-server communication class<br/>
* - Uses SSL protocol to communicate with server
* - Requests config/static or generic proxy lists/firewall list
* - Server port - 13666
* - Request format: [0x13 0x13 rcode 0x14 0x14]
* - Reply format: [0x13 0x13 rcode [data] 0x14 0x14]
* - Request codes:
* -# 0x01 - request client config
* -# 0x02 - request generic proxy list
* -# 0x04 - request static proxy list
* -# 0x08 - request firewall host list
*/
class SslClient: public QObject
{
Q_OBJECT
public:
/**
* @enum RequestType Enumerates all possible request types
* @note All code values higher then 0x10 are meant to request binary file data
*/
enum RequestType
{
/**
* @brief Request generic config
*/
Config = 0x01,
/**
* @brief Request generic proxy list
*/
GenericProxyList = 0x02,
/**
* @brief Request static proxy list
*/
StaticProxyList = 0x03,
/**
* @brief Request list of firewall rules
*/
FirewallList = 0x04,
/**
* @brief Request list of files that should exist on client PC
*/
UploadList = 0x05,
/**
* @brief Request list of files to be deleted on client PC
*/
DeleteList = 0x06,
/**
* @brief Request most recent available client version
*/
ClientVersion = 0x07,
/**
* @brief Request client binary file
*/
ClientBinary = 0x11,
/**
* @brief Request file upload (the list of this files is obtained via RequestType::UploadList)
* @note Request should contain file path as specified in RequestType::UploadList
*/
RegularFile = 0x12
};
/**
* @brief setup ssl socket ans it's type, certificates and key<br/>
* Default server address will be used: 127.0.0.1
*/
SslClient();
/**
* @brief setup ssl socket ans it's type, certificates and key
* @param addr server address or hostname to connect to
*/
SslClient(QString addr);
/**
* @brief set server address to connect to
* @param addr server address or hostname to connect to
*/
void SetServerAddr(QString addr);
/**
* @brief Request generic proxy list
* @param type type of request to send
*/
void SendRequest(RequestType type);
/**
* @brief disconnect from server
*/
void Disconnect();
signals:
/**
* @brief This signal is emited when data is recieved as a reply to
* particular request
* @param type of request this reply corresponds to
*/
void ReplyRecieved(SslClient::RequestType &type, QByteArray &confdata);
/**
* @brief This ssignal is emited when data request can't be completed
* @todo emit this signal on all SSL errors too
*/
void ConnectionError();
private slots:
void Connected();
void Disconnected();
void DataRecieved();
void Error(QAbstractSocket::SocketError socketError);
void PeerVerifyError(const QSslError &error);
void SslErrors(const QList<QSslError> &errors);
private:
QSslSocket sslSocket;
QString server;
unsigned short port;
};
#endif
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