mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
* Push progress
TODO: rework RESET, probably to main.cpp again
* resetPassword rework
* enable administration restriction
* add short cmd for userdata
* Js apis
* Refactor JsonCB class
* Add userToken Auth
* Feat: Close connection if ext clients when def pw is set
* Feat: Protect db against pw/token tests
* WebUi PW Support (#9)
* Initial WebUi Password Support
* Small changes
* Initial WebUi Password Support
* Small changes
* Basic WebUi Token support
* added "removeStorage", added uiLock, updated login page
* Small improvments
* Small change
* Fix: prevent downgrade of authorization
* Add translation for localAdminAuth
* Feat: Show always save button in led layout
* Revert "Feat: Show always save button in led layout"
This reverts commit caad1dfcde
.
* Feat: Password change link in notification
* Fix: body padding modal overlap
* Feat: Add instance index to response on switch
* prevent schema error
Signed-off-by: Paulchen-Panther <Paulchen-Panter@protonmail.com>
* Feat: add pw save
* Feat: callout settings/pw replaced with notification
350 lines
8.9 KiB
C++
350 lines
8.9 KiB
C++
#include "WebSocketClient.h"
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#include "QtHttpRequest.h"
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#include "QtHttpHeader.h"
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#include <hyperion/Hyperion.h>
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#include <api/JsonAPI.h>
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#include <QTcpSocket>
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#include <QtEndian>
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#include <QCryptographicHash>
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#include <QJsonObject>
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WebSocketClient::WebSocketClient(QtHttpRequest* request, QTcpSocket* sock, const bool& localConnection, QObject* parent)
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: QObject(parent)
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, _socket(sock)
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, _log(Logger::getInstance("WEBSOCKET"))
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{
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// connect socket; disconnect handled from QtHttpServer
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connect(_socket, &QTcpSocket::readyRead , this, &WebSocketClient::handleWebSocketFrame);
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// QtHttpRequest contains all headers for handshake
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QByteArray secWebSocketKey = request->getHeader(QtHttpHeader::SecWebSocketKey);
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const QString client = request->getClientInfo().clientAddress.toString();
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// Json processor
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_jsonAPI = new JsonAPI(client, _log, localConnection, this);
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connect(_jsonAPI, &JsonAPI::callbackMessage, this, &WebSocketClient::sendMessage);
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connect(_jsonAPI, &JsonAPI::forceClose, this,[this]() { this->sendClose(CLOSECODE::NORMAL); });
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Debug(_log, "New connection from %s", QSTRING_CSTR(client));
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// do handshake
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secWebSocketKey += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
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QByteArray hash = QCryptographicHash::hash(secWebSocketKey, QCryptographicHash::Sha1).toBase64();
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QString data
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= QString("HTTP/1.1 101 Switching Protocols\r\n")
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+ QString("Upgrade: websocket\r\n")
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+ QString("Connection: Upgrade\r\n")
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+ QString("Sec-WebSocket-Accept: ")+QString(hash.data()) + "\r\n\r\n";
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_socket->write(QSTRING_CSTR(data), data.size());
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_socket->flush();
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// Init JsonAPI
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_jsonAPI->initialize();
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}
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void WebSocketClient::handleWebSocketFrame(void)
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{
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while (_socket->bytesAvailable())
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{
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// we are on no continious reading from socket from call before
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if (!_notEnoughData)
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{
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getWsFrameHeader(&_wsh);
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}
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if(_socket->bytesAvailable() < (qint64)_wsh.payloadLength)
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{
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//printf("not enough data %llu %llu\n", _socket->bytesAvailable(), _wsh.payloadLength);
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_notEnoughData=true;
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return;
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}
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_notEnoughData = false;
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QByteArray buf = _socket->read(_wsh.payloadLength);
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//printf("opcode %x payload bytes %llu avail: %llu\n", _wsh.opCode, _wsh.payloadLength, _socket->bytesAvailable());
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if (OPCODE::invalid((OPCODE::value)_wsh.opCode))
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{
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sendClose(CLOSECODE::INV_TYPE, "invalid opcode");
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return;
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}
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// check the type of data frame
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bool isContinuation=false;
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switch (_wsh.opCode)
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{
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case OPCODE::CONTINUATION:
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isContinuation = true;
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// no break here, just jump over to opcode text
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case OPCODE::BINARY:
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case OPCODE::TEXT:
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{
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// check for protocol violations
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if (_onContinuation && !isContinuation)
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{
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sendClose(CLOSECODE::VIOLATION, "protocol violation, somebody sends frames in between continued frames");
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return;
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}
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if (!_wsh.masked && _wsh.opCode == OPCODE::TEXT)
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{
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sendClose(CLOSECODE::VIOLATION, "protocol violation, unmasked text frames not allowed");
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return;
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}
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// unmask data
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for (int i=0; i < buf.size(); i++)
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{
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buf[i] = buf[i] ^ _wsh.key[i % 4];
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}
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_onContinuation = !_wsh.fin || isContinuation;
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// frame contains text, extract it, append data if this is a continuation
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if (_wsh.fin && ! isContinuation) // one frame
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{
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_wsReceiveBuffer.clear();
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}
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_wsReceiveBuffer.append(buf);
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// this is the final frame, decode and handle data
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if (_wsh.fin)
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{
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_onContinuation = false;
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if (_wsh.opCode == OPCODE::TEXT)
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{
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_jsonAPI->handleMessage(QString(_wsReceiveBuffer));
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}
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else
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{
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handleBinaryMessage(_wsReceiveBuffer);
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}
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_wsReceiveBuffer.clear();
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}
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}
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break;
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case OPCODE::CLOSE:
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{
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sendClose(CLOSECODE::NORMAL);
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}
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break;
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case OPCODE::PING:
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{
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// ping received, send pong
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quint8 pong[] = {OPCODE::PONG, 0};
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_socket->write((const char*)pong, 2);
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_socket->flush();
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}
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break;
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case OPCODE::PONG:
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{
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Error(_log, "pong received, protocol violation!");
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}
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default:
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Warning(_log, "strange %d\n%s\n", _wsh.opCode, QSTRING_CSTR(QString(buf)));
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}
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}
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}
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void WebSocketClient::getWsFrameHeader(WebSocketHeader* header)
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{
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char fin_rsv_opcode, mask_length;
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_socket->getChar(&fin_rsv_opcode);
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_socket->getChar(&mask_length);
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header->fin = (fin_rsv_opcode & BHB0_FIN) == BHB0_FIN;
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header->opCode = fin_rsv_opcode & BHB0_OPCODE;
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header->masked = (mask_length & BHB1_MASK) == BHB1_MASK;
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header->payloadLength = mask_length & BHB1_PAYLOAD;
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// get size of payload
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switch (header->payloadLength)
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{
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case payload_size_code_16bit:
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{
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QByteArray buf = _socket->read(2);
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header->payloadLength = ((buf.at(0) << 8) & 0xFF00) | (buf.at(1) & 0xFF);
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}
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break;
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case payload_size_code_64bit:
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{
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QByteArray buf = _socket->read(8);
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header->payloadLength = 0;
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for (uint i=0; i < 8; i++)
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{
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header->payloadLength |= ((quint64)(buf.at(i) & 0xFF)) << (8*(7-i));
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}
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}
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break;
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}
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// if the data is masked we need to get the key for unmasking
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if (header->masked)
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{
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_socket->read(header->key, 4);
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}
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}
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/// See http://tools.ietf.org/html/rfc6455#section-5.2 for more information
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void WebSocketClient::sendClose(int status, QString reason)
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{
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Debug(_log, "send close: %d %s", status, QSTRING_CSTR(reason));
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ErrorIf(!reason.isEmpty(), _log, QSTRING_CSTR(reason));
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_receiveBuffer.clear();
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QByteArray sendBuffer;
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sendBuffer.append(136+(status-1000));
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int length = reason.size();
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if(length >= 126)
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{
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sendBuffer.append( (length > 0xffff) ? 127 : 126);
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int num_bytes = (length > 0xffff) ? 8 : 2;
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for(int c = num_bytes - 1; c != -1; c--)
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{
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sendBuffer.append( quint8((static_cast<unsigned long long>(length) >> (8 * c)) % 256));
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}
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}
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else
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{
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sendBuffer.append(quint8(length));
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}
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sendBuffer.append(reason);
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_socket->write(sendBuffer);
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_socket->flush();
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_socket->close();
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}
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void WebSocketClient::handleBinaryMessage(QByteArray &data)
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{
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//uint8_t priority = data.at(0);
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//unsigned duration_s = data.at(1);
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unsigned imgSize = data.size() - 4;
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unsigned width = ((data.at(2) << 8) & 0xFF00) | (data.at(3) & 0xFF);
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unsigned height = imgSize / width;
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if ( ! (imgSize) % width)
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{
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Error(_log, "data size is not multiple of width");
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return;
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}
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Image<ColorRgb> image;
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image.resize(width, height);
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memcpy(image.memptr(), data.data()+4, imgSize);
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//_hyperion->registerInput();
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//_hyperion->setInputImage(priority, image, duration_s*1000);
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}
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qint64 WebSocketClient::sendMessage(QJsonObject obj)
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{
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QJsonDocument writer(obj);
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QByteArray data = writer.toJson(QJsonDocument::Compact) + "\n";
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if (!_socket || (_socket->state() != QAbstractSocket::ConnectedState)) return 0;
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qint64 payloadWritten = 0;
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quint32 payloadSize = data.size();
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const char * payload = data.data();
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qint32 numFrames = payloadSize / FRAME_SIZE_IN_BYTES + ((quint64(payloadSize) % FRAME_SIZE_IN_BYTES) > 0 ? 1 : 0);
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for (int i = 0; i < numFrames; ++i)
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{
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const bool isLastFrame = (i == (numFrames - 1));
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quint64 position = i * FRAME_SIZE_IN_BYTES;
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quint32 frameSize = (payloadSize-position >= FRAME_SIZE_IN_BYTES) ? FRAME_SIZE_IN_BYTES : (payloadSize-position);
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QByteArray buf = makeFrameHeader(OPCODE::TEXT, frameSize, isLastFrame);
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sendMessage_Raw(buf);
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qint64 written = sendMessage_Raw(payload+position,frameSize);
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if (written > 0)
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{
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payloadWritten += written;
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}
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else
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{
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_socket->flush();
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Error(_log, "Error writing bytes to socket: %s", QSTRING_CSTR(_socket->errorString()));
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break;
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}
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}
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if (payloadSize != payloadWritten)
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{
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Error(_log, "Error writing bytes to socket %d bytes from %d written", payloadWritten, payloadSize);
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return -1;
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}
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return payloadWritten;
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}
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qint64 WebSocketClient::sendMessage_Raw(const char* data, quint64 size)
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{
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return _socket->write(data, size);
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}
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qint64 WebSocketClient::sendMessage_Raw(QByteArray &data)
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{
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return _socket->write(data.data(), data.size());
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}
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QByteArray WebSocketClient::makeFrameHeader(quint8 opCode, quint64 payloadLength, bool lastFrame)
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{
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QByteArray header;
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if (payloadLength <= 0x7FFFFFFFFFFFFFFFULL)
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{
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//FIN, RSV1-3, opcode (RSV-1, RSV-2 and RSV-3 are zero)
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quint8 byte = static_cast<quint8>((opCode & 0x0F) | (lastFrame ? 0x80 : 0x00));
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header.append(static_cast<char>(byte));
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byte = 0x00;
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if (payloadLength <= 125)
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{
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byte |= static_cast<quint8>(payloadLength);
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header.append(static_cast<char>(byte));
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}
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else if (payloadLength <= 0xFFFFU)
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{
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byte |= 126;
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header.append(static_cast<char>(byte));
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quint16 swapped = qToBigEndian<quint16>(static_cast<quint16>(payloadLength));
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header.append(static_cast<const char *>(static_cast<const void *>(&swapped)), 2);
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}
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else
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{
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byte |= 127;
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header.append(static_cast<char>(byte));
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quint64 swapped = qToBigEndian<quint64>(payloadLength);
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header.append(static_cast<const char *>(static_cast<const void *>(&swapped)), 8);
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}
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}
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else
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{
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Error(_log, "Payload too big!");
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}
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return header;
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}
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