void SslTlsSocket::delayedStart()
{
QSslSocket *sock = qobject_cast<QSslSocket *>(d);
Q_ASSERT(sock);
switch (m_proxySettings) {
case Streams::ProxySettings::RespectSystemProxy:
{
QNetworkProxy setting;
QNetworkProxyQuery query = QNetworkProxyQuery(host, port, m_protocolTag, QNetworkProxyQuery::TcpSocket);
// set to true if a capable setting is found
bool capableSettingFound = false;
// set to true if at least one valid setting is found
bool settingFound = false;
// FIXME: this static function works particularly slow in Windows
QList<QNetworkProxy> proxySettingsList = QNetworkProxyFactory::systemProxyForQuery(query);
/* Proxy Settings are read from the user's environment variables by the above static method.
* A peculiar case is with *nix systems, where an undefined environment variable is returned as
* an empty string. Such entries *might* exist in our proxySettingsList, and shouldn't be processed.
* One good check is to use hostName() of the QNetworkProxy object, and treat the Proxy Setting as invalid if
* the host name is empty. */
Q_FOREACH (setting, proxySettingsList) {
if (!setting.hostName().isEmpty()) {
settingFound = true;
// now check whether setting has capabilities
if (setting.capabilities().testFlag(QNetworkProxy::TunnelingCapability)) {
sock->setProxy(setting);
capableSettingFound = true;
break;
}
}
}
if (!settingFound || proxySettingsList.isEmpty()) {
sock->setProxy(QNetworkProxy::NoProxy);
} else if (!capableSettingFound) {
emit disconnected(tr("The underlying socket is having troubles when processing connection to %1:%2: %3")
.arg(host, QString::number(port), QStringLiteral("Cannot find proxy setting capable of tunneling")));
}
break;
}
case Streams::ProxySettings::DirectConnect:
sock->setProxy(QNetworkProxy::NoProxy);
break;
}
if (startEncrypted)
sock->connectToHostEncrypted(host, port);
else
sock->connectToHost(host, port);
}
void ClientSyncer::connectToCore(const QVariantMap &conn) {
resetConnection();
coreConnectionInfo = conn;
if(conn["Host"].toString().isEmpty()) {
emit connectionError(tr("No Host to connect to specified."));
return;
}
Q_ASSERT(!_socket);
#ifdef HAVE_SSL
QSslSocket *sock = new QSslSocket(Client::instance());
#else
if(conn["useSsl"].toBool()) {
emit connectionError(tr("<b>This client is built without SSL Support!</b><br />Disable the usage of SSL in the account settings."));
return;
}
QTcpSocket *sock = new QTcpSocket(Client::instance());
#endif
#ifndef QT_NO_NETWORKPROXY
if(conn.contains("useProxy") && conn["useProxy"].toBool()) {
QNetworkProxy proxy((QNetworkProxy::ProxyType)conn["proxyType"].toInt(), conn["proxyHost"].toString(), conn["proxyPort"].toUInt(), conn["proxyUser"].toString(), conn["proxyPassword"].toString());
sock->setProxy(proxy);
}
#endif
_socket = sock;
connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
}
/*!
\internal
*/
void QWebSocketPrivate::open(const QUrl &url, bool mask)
{
//just delete the old socket for the moment;
//later, we can add more 'intelligent' handling by looking at the URL
//m_pSocket.reset();
Q_Q(QWebSocket);
if (!url.isValid() || url.toString().contains(QStringLiteral("\r\n"))) {
setErrorString(QWebSocket::tr("Invalid URL."));
Q_EMIT q->error(QAbstractSocket::ConnectionRefusedError);
return;
}
QTcpSocket *pTcpSocket = m_pSocket.take();
if (pTcpSocket) {
releaseConnections(pTcpSocket);
pTcpSocket->deleteLater();
}
//if (m_url != url)
if (Q_LIKELY(!m_pSocket)) {
m_dataProcessor.clear();
m_isClosingHandshakeReceived = false;
m_isClosingHandshakeSent = false;
setRequestUrl(url);
QString resourceName = url.path();
if (resourceName.contains(QStringLiteral("\r\n"))) {
setRequestUrl(QUrl()); //clear requestUrl
setErrorString(QWebSocket::tr("Invalid resource name."));
Q_EMIT q->error(QAbstractSocket::ConnectionRefusedError);
return;
}
if (!url.query().isEmpty()) {
if (!resourceName.endsWith(QChar::fromLatin1('?'))) {
resourceName.append(QChar::fromLatin1('?'));
}
resourceName.append(url.query());
}
if (resourceName.isEmpty())
resourceName = QStringLiteral("/");
setResourceName(resourceName);
enableMasking(mask);
#ifndef QT_NO_SSL
if (url.scheme() == QStringLiteral("wss")) {
if (!QSslSocket::supportsSsl()) {
const QString message =
QWebSocket::tr("SSL Sockets are not supported on this platform.");
setErrorString(message);
Q_EMIT q->error(QAbstractSocket::UnsupportedSocketOperationError);
} else {
QSslSocket *sslSocket = new QSslSocket;
m_pSocket.reset(sslSocket);
if (Q_LIKELY(m_pSocket)) {
m_pSocket->setSocketOption(QAbstractSocket::LowDelayOption, 1);
m_pSocket->setSocketOption(QAbstractSocket::KeepAliveOption, 1);
m_pSocket->setReadBufferSize(m_readBufferSize);
m_pSocket->setPauseMode(m_pauseMode);
makeConnections(m_pSocket.data());
QObject::connect(sslSocket, &QSslSocket::encryptedBytesWritten, q,
&QWebSocket::bytesWritten);
typedef void (QSslSocket:: *sslErrorSignalType)(const QList<QSslError> &);
QObject::connect(sslSocket,
static_cast<sslErrorSignalType>(&QSslSocket::sslErrors),
q, &QWebSocket::sslErrors);
setSocketState(QAbstractSocket::ConnectingState);
sslSocket->setSslConfiguration(m_configuration.m_sslConfiguration);
if (Q_UNLIKELY(m_configuration.m_ignoreSslErrors))
sslSocket->ignoreSslErrors();
else
sslSocket->ignoreSslErrors(m_configuration.m_ignoredSslErrors);
#ifndef QT_NO_NETWORKPROXY
sslSocket->setProxy(m_configuration.m_proxy);
#endif
sslSocket->connectToHostEncrypted(url.host(), url.port(443));
} else {
const QString message = QWebSocket::tr("Out of memory.");
setErrorString(message);
Q_EMIT q->error(QAbstractSocket::SocketResourceError);
}
}
} else
#endif
if (url.scheme() == QStringLiteral("ws")) {
m_pSocket.reset(new QTcpSocket);
if (Q_LIKELY(m_pSocket)) {
m_pSocket->setSocketOption(QAbstractSocket::LowDelayOption, 1);
m_pSocket->setSocketOption(QAbstractSocket::KeepAliveOption, 1);
m_pSocket->setReadBufferSize(m_readBufferSize);
m_pSocket->setPauseMode(m_pauseMode);
makeConnections(m_pSocket.data());
QObject::connect(m_pSocket.data(), &QAbstractSocket::bytesWritten, q,
&QWebSocket::bytesWritten);
setSocketState(QAbstractSocket::ConnectingState);
#ifndef QT_NO_NETWORKPROXY
m_pSocket->setProxy(m_configuration.m_proxy);
#endif
m_pSocket->connectToHost(url.host(), url.port(80));
} else {
const QString message = QWebSocket::tr("Out of memory.");
setErrorString(message);
Q_EMIT q->error(QAbstractSocket::SocketResourceError);
}
} else {
const QString message =
QWebSocket::tr("Unsupported WebSocket scheme: %1").arg(url.scheme());
setErrorString(message);
Q_EMIT q->error(QAbstractSocket::UnsupportedSocketOperationError);
}
}
}
