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Refactor WebSocket

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This commit is contained in:
Lord-Grey 2024-12-27 21:56:29 +01:00
parent 3e7bc78449
commit e17451f6fe
9 changed files with 145 additions and 542 deletions
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9
libsrc/webserver/CMakeLists.txt
View File

@ -1,3 +1,4 @@
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS WebSockets REQUIRED)
file(GLOB_RECURSE webFiles RELATIVE ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/assets/webconfig/*)
file(RELATIVE_PATH webConfigPath ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/assets/webconfig)
@ -28,13 +29,13 @@ add_library(webserver
${CMAKE_SOURCE_DIR}/libsrc/webserver/StaticFileServing.cpp
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebJsonRpc.h
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebJsonRpc.cpp
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebSocketClient.h
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebSocketClient.cpp
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebSocketUtils.h
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebSocketJsonHandler.h
${CMAKE_SOURCE_DIR}/libsrc/webserver/WebSocketJsonHandler.cpp
${CMAKE_BINARY_DIR}/WebConfig.qrc
)
)
target_link_libraries(webserver
Qt${QT_VERSION_MAJOR}::WebSockets
hyperion
hyperion-utils
hyperion-api

44
libsrc/webserver/QtHttpClientWrapper.cpp
View File

@ -5,7 +5,7 @@
#include "QtHttpReply.h"
#include "QtHttpServer.h"
#include "QtHttpHeader.h"
#include "WebSocketClient.h"
#include "WebSocketJsonHandler.h"
#include "WebJsonRpc.h"
#include <QCryptographicHash>
@ -29,6 +29,8 @@ QtHttpClientWrapper::QtHttpClientWrapper (QTcpSocket * sock, const bool& localCo
, m_webJsonRpc (nullptr)
{
connect (m_sockClient, &QTcpSocket::readyRead, this, &QtHttpClientWrapper::onClientDataReceived);
connect(&m_websocketServer, &QWebSocketServer::newConnection,
this, &QtHttpClientWrapper::onNewWebSocketConnection);
}
QString QtHttpClientWrapper::getGuid (void)
@ -50,6 +52,11 @@ void QtHttpClientWrapper::onClientDataReceived (void)
{
if (m_sockClient != Q_NULLPTR)
{
if (!m_sockClient->isTransactionStarted())
{
m_sockClient->startTransaction();
}
while (m_sockClient->bytesAvailable () != 0)
{
QByteArray line = m_sockClient->readLine ();
@ -162,22 +169,25 @@ void QtHttpClientWrapper::onClientDataReceived (void)
{
case RequestParsed: // a valid request has ben fully parsed
{
// Catch websocket header "Upgrade"
if(m_currentRequest->getHeader(QtHttpHeader::Upgrade).toLower() == "websocket")
{
const auto& upgradeValue = m_currentRequest->getHeader(QtHttpHeader::Upgrade).toLower();
if (upgradeValue.compare(QByteArrayLiteral("websocket"), Qt::CaseInsensitive) == 0) {
qDebug() << "WebSocket upgrade detected, passing to QWebSocketServer";
if(m_websocketClient == Q_NULLPTR)
{
// disconnect this slot from socket for further requests
disconnect(m_sockClient, &QTcpSocket::readyRead, this, &QtHttpClientWrapper::onClientDataReceived);
// disabling packet bunching
m_sockClient->setSocketOption(QAbstractSocket::LowDelayOption, 1);
m_sockClient->setSocketOption(QAbstractSocket::KeepAliveOption, 1);
m_websocketClient = new WebSocketClient(m_currentRequest, m_sockClient, m_localConnection, this);
m_sockClient->rollbackTransaction();
m_websocketServer.handleConnection(m_sockClient);
emit m_sockClient->readyRead();
return;
}
break;
}
m_sockClient->commitTransaction();
// add post data to request and catch /jsonrpc subroute url
if ( m_currentRequest->getCommand() == "POST")
{
@ -227,6 +237,8 @@ void QtHttpClientWrapper::onClientDataReceived (void)
case ParsingError: // there was an error durin one of parsing steps
{
m_sockClient->readAll (); // clear remaining buffer to ignore content
m_sockClient->commitTransaction();
QtHttpReply reply (m_serverHandle);
reply.setStatusCode (QtHttpReply::BadRequest);
reply.appendRawData (QByteArrayLiteral ("<h1>Bad Request (HTTP parsing error) !</h1>"));
@ -365,3 +377,19 @@ void QtHttpClientWrapper::closeConnection()
}
m_sockClient->close ();
}
void QtHttpClientWrapper::onNewWebSocketConnection() {
// Handle the pending connection
QWebSocket* webSocket = m_websocketServer.nextPendingConnection();
if (webSocket) {
qDebug() << "New WebSocket connection established";
// Manage the WebSocketJsonHandler for this connection
WebSocketJsonHandler* handler = new WebSocketJsonHandler(webSocket);
connect(webSocket, &QWebSocket::disconnected, handler, &QObject::deleteLater);
}
else {
qWarning() << "No pending WebSocket connection!";
}
}

11
libsrc/webserver/QtHttpClientWrapper.h
View File

@ -3,6 +3,8 @@
#include <QObject>
#include <QString>
#include <QWebSocketServer>
#include <QCoreApplication>
class QTcpSocket;
@ -39,8 +41,17 @@ public:
///
void closeConnection();
QWebSocketServer m_websocketServer{
QCoreApplication::applicationName() + QLatin1Char('/') + QCoreApplication::applicationVersion(),
QWebSocketServer::NonSecureMode
};
signals:
void newWebSocketConnection();
private slots:
void onClientDataReceived (void);
void onNewWebSocketConnection();
protected:
ParsingStatus sendReplyToClient (QtHttpReply * reply);

28
libsrc/webserver/QtHttpServer.cpp
View File

@ -40,7 +40,7 @@ QtHttpServer::QtHttpServer (QObject * parent)
, m_netOrigin (NetOrigin::getInstance())
{
m_sockServer = new QtHttpServerWrapper (this);
connect (m_sockServer, &QtHttpServerWrapper::newConnection, this, &QtHttpServer::onClientConnected);
connect (m_sockServer, &QtHttpServerWrapper::newConnection, this, &QtHttpServer::onClientConnected, Qt::UniqueConnection);
}
void QtHttpServer::start (quint16 port)
@ -81,27 +81,27 @@ void QtHttpServer::onClientConnected (void)
{
if (QTcpSocket * sock = m_sockServer->nextPendingConnection ())
{
if(m_netOrigin->accessAllowed(sock->peerAddress(), sock->localAddress()))
if (m_netOrigin->accessAllowed(sock->peerAddress(), sock->localAddress()))
{
connect (sock, &QTcpSocket::disconnected, this, &QtHttpServer::onClientDisconnected);
connect(sock, &QTcpSocket::disconnected, this, &QtHttpServer::onClientDisconnected);
if (m_useSsl)
{
if (QSslSocket * ssl = qobject_cast<QSslSocket *> (sock))
if (QSslSocket* ssl = qobject_cast<QSslSocket*> (sock))
{
connect (ssl, SslErrorSignal (&QSslSocket::sslErrors), this, &QtHttpServer::onClientSslErrors);
connect (ssl, &QSslSocket::encrypted, this, &QtHttpServer::onClientSslEncrypted);
connect (ssl, &QSslSocket::peerVerifyError, this, &QtHttpServer::onClientSslPeerVerifyError);
connect (ssl, &QSslSocket::modeChanged, this, &QtHttpServer::onClientSslModeChanged);
ssl->setLocalCertificateChain (m_sslCerts);
ssl->setPrivateKey (m_sslKey);
ssl->setPeerVerifyMode (QSslSocket::AutoVerifyPeer);
ssl->startServerEncryption ();
connect(ssl, SslErrorSignal(&QSslSocket::sslErrors), this, &QtHttpServer::onClientSslErrors);
connect(ssl, &QSslSocket::encrypted, this, &QtHttpServer::onClientSslEncrypted);
connect(ssl, &QSslSocket::peerVerifyError, this, &QtHttpServer::onClientSslPeerVerifyError);
connect(ssl, &QSslSocket::modeChanged, this, &QtHttpServer::onClientSslModeChanged);
ssl->setLocalCertificateChain(m_sslCerts);
ssl->setPrivateKey(m_sslKey);
ssl->setPeerVerifyMode(QSslSocket::AutoVerifyPeer);
ssl->startServerEncryption();
}
}
QtHttpClientWrapper * wrapper = new QtHttpClientWrapper (sock, m_netOrigin->isLocalAddress(sock->peerAddress(), sock->localAddress()), this);
m_socksClientsHash.insert (sock, wrapper);
QtHttpClientWrapper* wrapper = new QtHttpClientWrapper(sock, m_netOrigin->isLocalAddress(sock->peerAddress(), sock->localAddress()), this);
m_socksClientsHash.insert(sock, wrapper);
emit clientConnected (wrapper->getGuid ());
}
else

359
libsrc/webserver/WebSocketClient.cpp
View File

@ -1,359 +0,0 @@
#include "WebSocketClient.h"
#include "QtHttpRequest.h"
#include "QtHttpHeader.h"
#include <hyperion/Hyperion.h>
#include <api/JsonAPI.h>
#include <api/JsonCallbacks.h>
#include <QTcpSocket>
#include <QtEndian>
#include <QCryptographicHash>
#include <QJsonObject>
WebSocketClient::WebSocketClient(QtHttpRequest* request, QTcpSocket* sock, bool localConnection, QObject* parent)
: QObject(parent)
, _socket(sock)
, _log(Logger::getInstance("WEBSOCKET"))
{
// connect socket; disconnect handled from QtHttpServer
connect(_socket, &QTcpSocket::readyRead , this, &WebSocketClient::handleWebSocketFrame);
// QtHttpRequest contains all headers for handshake
QByteArray secWebSocketKey = request->getHeader(QtHttpHeader::SecWebSocketKey);
const QString client = request->getClientInfo().clientAddress.toString();
// Json processor
_jsonAPI.reset(new JsonAPI(client, _log, localConnection, this));
connect(_jsonAPI.get(), &JsonAPI::callbackReady, this, &WebSocketClient::sendMessage);
connect(_jsonAPI.get(), &JsonAPI::forceClose, this,[this]() { this->sendClose(CLOSECODE::NORMAL); });
connect(_jsonAPI->getCallBack().get(), &JsonCallbacks::callbackReady, this, &WebSocketClient::sendMessage);
connect(this, &WebSocketClient::handleMessage, _jsonAPI.get(), &JsonAPI::handleMessage);
Debug(_log, "New connection from %s", QSTRING_CSTR(client));
// do handshake
secWebSocketKey += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
QByteArray hash = QCryptographicHash::hash(secWebSocketKey, QCryptographicHash::Sha1).toBase64();
QString data
= QString("HTTP/1.1 101 Switching Protocols\r\n")
+ QString("Upgrade: websocket\r\n")
+ QString("Connection: Upgrade\r\n")
+ QString("Sec-WebSocket-Accept: ")+QString(hash.data()) + "\r\n\r\n";
_socket->write(QSTRING_CSTR(data), data.size());
_socket->flush();
// Init JsonAPI
_jsonAPI->initialize();
}
void WebSocketClient::handleWebSocketFrame()
{
while (_socket->bytesAvailable())
{
// we are on no continious reading from socket from call before
if (!_notEnoughData)
{
getWsFrameHeader(&_wsh);
}
if(_socket->bytesAvailable() < (qint64)_wsh.payloadLength)
{
_notEnoughData=true;
return;
}
_notEnoughData = false;
QByteArray buf = _socket->read(_wsh.payloadLength);
if (OPCODE::invalid((OPCODE::value)_wsh.opCode))
{
sendClose(CLOSECODE::INV_TYPE, "invalid opcode");
return;
}
// check the type of data frame
bool isContinuation=false;
switch (_wsh.opCode)
{
case OPCODE::CONTINUATION:
isContinuation = true;
// no break here, just jump over to opcode text
case OPCODE::BINARY:
case OPCODE::TEXT:
{
// A fragmented message consists of a single frame with the FIN bit
// clear and an opcode other than 0, followed by zero or more frames
// with the FIN bit clear and the opcode set to 0, and terminated by
// a single frame with the FIN bit set and an opcode of 0.
//
// Store frame type given by first frame
if (_wsh.opCode != OPCODE::CONTINUATION )
{
_frameOpCode = _wsh.opCode;
}
// check for protocol violations
if (_onContinuation && !isContinuation)
{
sendClose(CLOSECODE::VIOLATION, "protocol violation, somebody sends frames in between continued frames");
return;
}
if (!_wsh.masked && _wsh.opCode == OPCODE::TEXT)
{
sendClose(CLOSECODE::VIOLATION, "protocol violation, unmasked text frames not allowed");
return;
}
// unmask data
for (int i=0; i < buf.size(); i++)
{
buf[i] = buf[i] ^ _wsh.key[i % 4];
}
_onContinuation = !_wsh.fin || isContinuation;
// frame contains text, extract it, append data if this is a continuation
if (_wsh.fin && ! isContinuation) // one frame
{
_wsReceiveBuffer.clear();
}
_wsReceiveBuffer.append(buf);
// this is the final frame, decode and handle data
if (_wsh.fin)
{
_onContinuation = false;
if (_frameOpCode == OPCODE::TEXT)
{
emit handleMessage(QString(_wsReceiveBuffer),"");
}
else
{
handleBinaryMessage(_wsReceiveBuffer);
}
_wsReceiveBuffer.clear();
}
}
break;
case OPCODE::CLOSE:
{
sendClose(CLOSECODE::NORMAL);
}
break;
case OPCODE::PING:
{
// ping received, send pong
quint8 pong[] = {OPCODE::PONG, 0};
_socket->write((const char*)pong, 2);
_socket->flush();
}
break;
case OPCODE::PONG:
{
Error(_log, "pong received, protocol violation!");
}
default:
Warning(_log, "strange %d\n%s\n", _wsh.opCode, QSTRING_CSTR(QString(buf)));
}
}
}
void WebSocketClient::getWsFrameHeader(WebSocketHeader* header)
{
char fin_rsv_opcode, mask_length;
_socket->getChar(&fin_rsv_opcode);
_socket->getChar(&mask_length);
header->fin = (fin_rsv_opcode & BHB0_FIN) == BHB0_FIN;
header->opCode = fin_rsv_opcode & BHB0_OPCODE;
header->masked = (mask_length & BHB1_MASK) == BHB1_MASK;
header->payloadLength = mask_length & BHB1_PAYLOAD;
// get size of payload
switch (header->payloadLength)
{
case payload_size_code_16bit:
{
QByteArray buf = _socket->read(2);
header->payloadLength = ((buf.at(0) << 8) & 0xFF00) | (buf.at(1) & 0xFF);
}
break;
case payload_size_code_64bit:
{
QByteArray buf = _socket->read(8);
header->payloadLength = 0;
for (uint i=0; i < 8; i++)
{
header->payloadLength |= ((quint64)(buf.at(i) & 0xFF)) << (8*(7-i));
}
}
break;
}
// if the data is masked we need to get the key for unmasking
if (header->masked)
{
_socket->read(header->key, 4);
}
}
/// See http://tools.ietf.org/html/rfc6455#section-5.2 for more information
void WebSocketClient::sendClose(int status, const QString& reason)
{
Debug(_log, "Send close to %s: %d %s", QSTRING_CSTR(_socket->peerAddress().toString()), status, QSTRING_CSTR(reason));
ErrorIf(!reason.isEmpty(), _log, "%s", QSTRING_CSTR(reason));
_receiveBuffer.clear();
QByteArray sendBuffer;
sendBuffer.append(136+(status-1000));
int length = reason.size();
if(length >= 126)
{
sendBuffer.append( (length > 0xffff) ? 127 : 126);
int num_bytes = (length > 0xffff) ? 8 : 2;
for(int c = num_bytes - 1; c != -1; c--)
{
sendBuffer.append( quint8((static_cast<unsigned long long>(length) >> (8 * c)) % 256));
}
}
else
{
sendBuffer.append(quint8(length));
}
sendBuffer.append(reason.toUtf8());
_socket->write(sendBuffer);
_socket->flush();
_socket->close();
}
void WebSocketClient::handleBinaryMessage(QByteArray &data)
{
unsigned imgSize = data.size() - 4;
unsigned width = ((data.at(2) << 8) & 0xFF00) | (data.at(3) & 0xFF);
unsigned height = imgSize / width;
if ( imgSize % width > 0 )
{
Error(_log, "data size is not multiple of width");
return;
}
Image<ColorRgb> image;
image.resize(width, height);
memcpy(image.memptr(), data.data()+4, imgSize);
}
qint64 WebSocketClient::sendMessage(QJsonObject obj)
{
QJsonDocument writer(obj);
QByteArray data = writer.toJson(QJsonDocument::Compact) + "\n";
if (!_socket || (_socket->state() != QAbstractSocket::ConnectedState)) return 0;
qint64 payloadWritten = 0;
quint32 payloadSize = data.size();
const char * payload = data.data();
qint32 numFrames = payloadSize / FRAME_SIZE_IN_BYTES + ((quint64(payloadSize) % FRAME_SIZE_IN_BYTES) > 0 ? 1 : 0);
for (int i = 0; i < numFrames; ++i)
{
const bool isLastFrame = (i == (numFrames - 1));
quint64 position = i * FRAME_SIZE_IN_BYTES;
quint32 frameSize = (payloadSize-position >= FRAME_SIZE_IN_BYTES) ? FRAME_SIZE_IN_BYTES : (payloadSize-position);
QByteArray buf = makeFrameHeader((i == 0) ? OPCODE::TEXT : OPCODE::CONTINUATION, frameSize, isLastFrame);
sendMessage_Raw(buf);
qint64 written = sendMessage_Raw(payload+position,frameSize);
if (written > 0)
{
payloadWritten += written;
}
else
{
_socket->flush();
Error(_log, "Error writing bytes to socket: %s", QSTRING_CSTR(_socket->errorString()));
break;
}
}
if (payloadSize != payloadWritten)
{
Error(_log, "Error writing bytes to socket %d bytes from %d written", payloadWritten, payloadSize);
return -1;
}
return payloadWritten;
}
qint64 WebSocketClient::sendMessage_Raw(const char* data, quint64 size)
{
return _socket->write(data, size);
}
qint64 WebSocketClient::sendMessage_Raw(QByteArray &data)
{
return _socket->write(data.data(), data.size());
}
QByteArray WebSocketClient::makeFrameHeader(quint8 opCode, quint64 payloadLength, bool lastFrame)
{
QByteArray header;
if (payloadLength <= 0x7FFFFFFFFFFFFFFFULL)
{
//FIN, RSV1-3, opcode (RSV-1, RSV-2 and RSV-3 are zero)
quint8 byte = static_cast<quint8>((opCode & 0x0F) | (lastFrame ? 0x80 : 0x00));
header.append(static_cast<char>(byte));
byte = 0x00;
if (payloadLength <= 125)
{
byte |= static_cast<quint8>(payloadLength);
header.append(static_cast<char>(byte));
}
else if (payloadLength <= 0xFFFFU)
{
byte |= 126;
header.append(static_cast<char>(byte));
quint16 swapped = qToBigEndian<quint16>(static_cast<quint16>(payloadLength));
header.append(static_cast<const char *>(static_cast<const void *>(&swapped)), 2);
}
else
{
byte |= 127;
header.append(static_cast<char>(byte));
quint64 swapped = qToBigEndian<quint64>(payloadLength);
header.append(static_cast<const char *>(static_cast<const void *>(&swapped)), 8);
}
}
else
{
Error(_log, "Payload too big!");
}
return header;
}

82
libsrc/webserver/WebSocketClient.h
View File

@ -1,82 +0,0 @@
#pragma once
#include <utils/Logger.h>
#include "WebSocketUtils.h"
#include <api/JsonAPI.h>
#include <QScopedPointer>
class QTcpSocket;
class QtHttpRequest;
class Hyperion;
class JsonAPI;
class WebSocketClient : public QObject
{
Q_OBJECT
public:
WebSocketClient(QtHttpRequest* request, QTcpSocket* sock, bool localConnection, QObject* parent);
struct WebSocketHeader
{
bool fin;
quint8 opCode;
bool masked;
quint64 payloadLength;
char key[4];
};
private:
QTcpSocket* _socket;
Logger* _log;
Hyperion* _hyperion;
QScopedPointer<JsonAPI> _jsonAPI;
void getWsFrameHeader(WebSocketHeader* header);
void sendClose(int status, const QString& reason = "");
void handleBinaryMessage(QByteArray &data);
qint64 sendMessage_Raw(const char* data, quint64 size);
qint64 sendMessage_Raw(QByteArray &data);
QByteArray makeFrameHeader(quint8 opCode, quint64 payloadLength, bool lastFrame);
/// The buffer used for reading data from the socket
QByteArray _receiveBuffer;
/// buffer for websockets multi frame receive
QByteArray _wsReceiveBuffer;
quint8 _maskKey[4];
bool _onContinuation = false;
// true when data is missing for parsing
bool _notEnoughData = false;
// websocket header store
WebSocketHeader _wsh;
//opCode of first frame (in case of fragmented frames)
quint8 _frameOpCode;
// masks for fields in the basic header
static uint8_t const BHB0_OPCODE = 0x0F;
static uint8_t const BHB0_RSV3 = 0x10;
static uint8_t const BHB0_RSV2 = 0x20;
static uint8_t const BHB0_RSV1 = 0x40;
static uint8_t const BHB0_FIN = 0x80;
static uint8_t const BHB1_PAYLOAD = 0x7F;
static uint8_t const BHB1_MASK = 0x80;
static uint8_t const payload_size_code_16bit = 0x7E; // 126
static uint8_t const payload_size_code_64bit = 0x7F; // 127
static const quint64 FRAME_SIZE_IN_BYTES = 512 * 512 * 2; //maximum size of a frame when sending a message
private slots:
void handleWebSocketFrame();
qint64 sendMessage(QJsonObject obj);
signals:
void handleMessage(const QString &message, const QString &httpAuthHeader);
};

49
libsrc/webserver/WebSocketJsonHandler.cpp Normal file
View File

@ -0,0 +1,49 @@
#include "WebSocketJsonHandler.h"
#include <api/JsonAPI.h>
#include <api/JsonCallbacks.h>
#include <utils/JsonUtils.h>
#include <utils/NetOrigin.h>
WebSocketJsonHandler::WebSocketJsonHandler(QWebSocket* websocket, QObject* parent)
: QObject(parent)
, _websocket(websocket)
, _log(Logger::getInstance("WEBSOCKET"))
{
connect(_websocket, &QWebSocket::textMessageReceived, this, &WebSocketJsonHandler::onTextMessageReceived);
connect(_websocket, &QWebSocket::disconnected, this, &WebSocketJsonHandler::onDisconnected);
const QString client = _websocket->peerAddress().toString();
Debug(_log, "New WebSocket connection from %s", QSTRING_CSTR(client));
bool localConnection = NetOrigin::getInstance()->isLocalAddress(_websocket->peerAddress(), _websocket->localAddress());
// Json processor
_jsonAPI.reset(new JsonAPI(client, _log, localConnection, this));
connect(_jsonAPI.get(), &JsonAPI::callbackReady, this, &WebSocketJsonHandler::sendMessage);
connect(_jsonAPI->getCallBack().get(), &JsonCallbacks::callbackReady, this, &WebSocketJsonHandler::sendMessage);
// Init JsonAPI
_jsonAPI->initialize();
}
void WebSocketJsonHandler::onTextMessageReceived(const QString& message)
{
qDebug() << "WebSocket message received:" << message;
_jsonAPI.get()->handleMessage(message);
}
qint64 WebSocketJsonHandler::sendMessage(QJsonObject obj)
{
QString const message = JsonUtils::jsonValueToQString(obj);
qDebug() << "WebSocket send message: " << message;
return _websocket->sendTextMessage(message);
}
void WebSocketJsonHandler::onDisconnected()
{
qDebug() << "WebSocket disconnected";
}

30
libsrc/webserver/WebSocketJsonHandler.h Normal file
View File

@ -0,0 +1,30 @@
#ifndef WEBSOCKETJSONHANDLER_H
#define WEBSOCKETJSONHANDLER_H
#include <utils/Logger.h>
#include <api/JsonAPI.h>
#include <QObject>
#include <QWebSocket>
#include <QScopedPointer>
class WebSocketJsonHandler : public QObject
{
Q_OBJECT
public:
WebSocketJsonHandler(QWebSocket* websocket, QObject* parent = nullptr);
private slots:
void onTextMessageReceived(const QString& message);
void onDisconnected();
qint64 sendMessage(QJsonObject obj);
private:
QWebSocket* _websocket;
Logger* _log;
QScopedPointer<JsonAPI> _jsonAPI;
};
#endif // WEBSOCKETJSONHANDLER_H

75
libsrc/webserver/WebSocketUtils.h
View File

@ -1,75 +0,0 @@
#pragma once
/// Constants and utility functions related to WebSocket opcodes
/**
* WebSocket Opcodes are 4 bits. See RFC6455 section 5.2.
*/
namespace OPCODE
{
enum value
{
CONTINUATION = 0x0,
TEXT = 0x1,
BINARY = 0x2,
RSV3 = 0x3,
RSV4 = 0x4,
RSV5 = 0x5,
RSV6 = 0x6,
RSV7 = 0x7,
CLOSE = 0x8,
PING = 0x9,
PONG = 0xA,
CONTROL_RSVB = 0xB,
CONTROL_RSVC = 0xC,
CONTROL_RSVD = 0xD,
CONTROL_RSVE = 0xE,
CONTROL_RSVF = 0xF
};
/// Check if an opcode is reserved
/**
* @param v The opcode to test.
* @return Whether or not the opcode is reserved.
*/
inline bool reserved(value v)
{
return (v >= RSV3 && v <= RSV7) || (v >= CONTROL_RSVB && v <= CONTROL_RSVF);
}
/// Check if an opcode is invalid
/**
* Invalid opcodes are negative or require greater than 4 bits to store.
*
* @param v The opcode to test.
* @return Whether or not the opcode is invalid.
*/
inline bool invalid(value v)
{
return (v > 0xF || v < 0);
}
/// Check if an opcode is for a control frame
/**
* @param v The opcode to test.
* @return Whether or not the opcode is a control opcode.
*/
inline bool is_control(value v)
{
return v >= 0x8;
}
}
namespace CLOSECODE
{
enum value
{
NORMAL = 1000,
AWAY = 1001,
TERM = 1002,
INV_TYPE = 1003,
INV_DATA = 1007,
VIOLATION = 1008,
BIG_MSG = 1009,
UNEXPECTED= 1011
};
}