File indexing completed on 2024-12-01 04:19:16

 // SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: 2019 Casper Meijn <casper@meijn.net>
 // SPDX-FileCopyrightText: 2023 Harald Sitter <sitter@kde.org>
 
 #include "wsdiscoveryclient.h"
 
 #include "loggingcategory.h"
 #include "wsdiscoverytargetservice.h"
 
 #include <KDSoapClient/KDSoapMessage>
 #include <KDSoapClient/KDSoapMessageAddressingProperties>
 #include <KDSoapClient/KDSoapUdpClient>
 #include <QHostAddress>
 #include <QTimer>
 #include <QUuid>
 
 #include "wsdl_ws-discovery.h"
 #include "wsdl_wsdd-discovery-1.h"
 
 static const int DISCOVERY_PORT = 3702;
 #define DISCOVERY_ADDRESS_IPV4 (QHostAddress(QStringLiteral("239.255.255.250")))
 #define DISCOVERY_ADDRESS_IPV6 (QHostAddress(QStringLiteral("FF02::C")))
 
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) && (KDSOAP_VERSION <= KDSOAP_VERSION_CHECK(2, 1, 1))
 QDebug operator<<(QDebug dbg, const KDQName &qn)
 {
     if (!qn.nameSpace().isEmpty())
         dbg << "(" << qn.nameSpace() << "," << qn.localName() << ")";
     else
         dbg << qn.qname();
     return dbg;
 }
 #endif
 
 WSDiscoveryClient::WSDiscoveryClient(QObject *parent)
     : QObject(parent)
 {
     m_soapUdpClient = new KDSoapUdpClient(this);
     connect(m_soapUdpClient, &KDSoapUdpClient::receivedMessage, this, &WSDiscoveryClient::receivedMessage);
 }
 
 WSDiscoveryClient::~WSDiscoveryClient() = default;
 
 void WSDiscoveryClient::start(quint16 port)
 {
     bool rc = m_soapUdpClient->bind(port, QAbstractSocket::DefaultForPlatform);
     Q_ASSERT(rc);
 }
 
 void WSDiscoveryClient::sendProbe(const QList<KDQName> &typeList, const QList<QUrl> &scopeList)
 {
     WSDiscovery200504::TNS__ProbeType probe;
     if (!typeList.isEmpty()) {
         WSDiscovery200504::TNS__QNameListType types;
         types.setEntries(typeList);
         probe.setTypes(types);
     }
     if (!scopeList.isEmpty()) {
         WSDiscovery200504::TNS__UriListType scopeValues;
         scopeValues.setEntries(QUrl::toStringList(scopeList));
         WSDiscovery200504::TNS__ScopesType scopes;
         scopes.setValue(scopeValues);
         probe.setScopes(scopes);
     }
 
     KDSoapMessage message;
     message = probe.serialize(QStringLiteral("Probe"));
     message.setUse(KDSoapMessage::LiteralUse);
     message.setNamespaceUri(QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery"));
 
     KDSoapMessageAddressingProperties addressing;
     addressing.setAddressingNamespace(KDSoapMessageAddressingProperties::Addressing200408);
     addressing.setAction(QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe"));
 #if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     addressing.setMessageID(QStringLiteral("urn:uuid:") + QUuid::createUuid().toString(QUuid::WithoutBraces));
 #else
     addressing.setMessageID(QStringLiteral("urn:uuid:") + QUuid::createUuid().toString().remove("{").remove("}"));
 #endif
     addressing.setDestination(QStringLiteral("urn:schemas-xmlsoap-org:ws:2005:04:discovery"));
     addressing.setReplyEndpointAddress(KDSoapMessageAddressingProperties::predefinedAddressToString(KDSoapMessageAddressingProperties::Anonymous));
     message.setMessageAddressingProperties(addressing);
 
     auto rc = m_soapUdpClient->sendMessage(message, KDSoapHeaders(), DISCOVERY_ADDRESS_IPV4, DISCOVERY_PORT);
     Q_ASSERT(rc);
     rc = m_soapUdpClient->sendMessage(message, KDSoapHeaders(), DISCOVERY_ADDRESS_IPV6, DISCOVERY_PORT);
     Q_ASSERT(rc);
 }
 
 void WSDiscoveryClient::sendResolve(const QString &endpointReferenceString)
 {
     WSDiscovery200504::TNS__ResolveType resolve;
 
     WSDiscovery200504::WSA__AttributedURI endpointReferenceAddress;
     endpointReferenceAddress.setValue(endpointReferenceString);
     WSDiscovery200504::WSA__EndpointReferenceType endpointReference;
     endpointReference.setAddress(endpointReferenceAddress);
     resolve.setEndpointReference(endpointReference);
 
     KDSoapMessage message;
     message = resolve.serialize(QStringLiteral("Resolve"));
     message.setUse(KDSoapMessage::LiteralUse);
     message.setNamespaceUri(QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery"));
 
     KDSoapMessageAddressingProperties addressing;
     addressing.setAddressingNamespace(KDSoapMessageAddressingProperties::Addressing200408);
     addressing.setAction(QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/Resolve"));
 #if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     addressing.setMessageID(QStringLiteral("urn:uuid:") + QUuid::createUuid().toString(QUuid::WithoutBraces));
 #else
     addressing.setMessageID(QStringLiteral("urn:uuid:") + QUuid::createUuid().toString().remove("{").remove("}"));
 #endif
     addressing.setDestination(QStringLiteral("urn:schemas-xmlsoap-org:ws:2005:04:discovery"));
     addressing.setReplyEndpointAddress(KDSoapMessageAddressingProperties::predefinedAddressToString(KDSoapMessageAddressingProperties::Anonymous));
     message.setMessageAddressingProperties(addressing);
 
     auto rc = m_soapUdpClient->sendMessage(message, KDSoapHeaders(), DISCOVERY_ADDRESS_IPV4, DISCOVERY_PORT);
     Q_ASSERT(rc);
     rc = m_soapUdpClient->sendMessage(message, KDSoapHeaders(), DISCOVERY_ADDRESS_IPV6, DISCOVERY_PORT);
     Q_ASSERT(rc);
 }
 
 void WSDiscoveryClient::receivedMessage(const KDSoapMessage &replyMessage,
                                         const KDSoapHeaders &replyHeaders,
                                         const QHostAddress &senderAddress,
                                         quint16 senderPort)
 {
     Q_UNUSED(replyHeaders);
     Q_UNUSED(senderAddress);
     Q_UNUSED(senderPort);
     if (replyMessage.messageAddressingProperties().action() == QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe")) {
         // NO-OP
     } else if (replyMessage.messageAddressingProperties().action() == QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/Resolve")) {
         // NO-OP
     } else if (replyMessage.messageAddressingProperties().action() == QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/ResolveMatches")) {
         WSDiscovery200504::TNS__ResolveMatchesType resolveMatches;
         resolveMatches.deserialize(replyMessage);
 
         auto resolveMatch = resolveMatches.resolveMatch();
         const QString &endpointReference = resolveMatch.endpointReference().address();
         auto service = WSDiscoveryTargetService(endpointReference);
         service.setTypeList(resolveMatch.types().entries());
         service.setScopeList(QUrl::fromStringList(resolveMatch.scopes().value().entries()));
         service.setXAddrList(QUrl::fromStringList(resolveMatch.xAddrs().entries()));
         service.updateLastSeen();
         emit resolveMatchReceived(service);
     } else if (replyMessage.messageAddressingProperties().action() == QStringLiteral("http://schemas.xmlsoap.org/ws/2005/04/discovery/ProbeMatches")) {
         WSDiscovery200504::TNS__ProbeMatchesType probeMatches;
         probeMatches.deserialize(replyMessage);
 
         const QList<WSDiscovery200504::TNS__ProbeMatchType> &probeMatchList = probeMatches.probeMatch();
         for (const WSDiscovery200504::TNS__ProbeMatchType &probeMatch : probeMatchList) {
             const QString &endpointReference = probeMatch.endpointReference().address();
             auto service = WSDiscoveryTargetService(endpointReference);
             service.setTypeList(probeMatch.types().entries());
             service.setScopeList(QUrl::fromStringList(probeMatch.scopes().value().entries()));
             service.setXAddrList(QUrl::fromStringList(probeMatch.xAddrs().entries()));
             service.updateLastSeen();
             emit probeMatchReceived(service);
         }
     } else {
         qCDebug(KDSoapWSDiscoveryClient) << "Received message with unknown action:" << replyMessage.messageAddressingProperties().action();
     }
 }