Esempio n. 1
0
/** Actually sends the sMethod action to the command URL specified
 *  in the constructor (url+[/]+sControlPath).
 *
 * \param sMethod method to be invoked. e.g. "SetChannel",
 *                "GetConnectionInfoResult"
 *
 * \param list Parsed as a series of key value pairs for the input params
 *             and then cleared and used for the output params.
 *
 * \param nErrCode set to zero on success, non-zero in case of error.
 *
 * \param sErrCode returns error description from device, when applicable.
 *
 * \param bInQtThread May be set to true if this is run from within
 *                    a QThread with a running an event loop.
 *
 * \return Returns a QDomDocument containing output parameters on success.
 */
QDomDocument SOAPClient::SendSOAPRequest(const QString &sMethod,
                                         QStringMap    &list,
                                         int           &nErrCode,
                                         QString       &sErrDesc,
                                         bool           bInQtThread)
{
    QUrl url(m_url);

    url.setPath(m_sControlPath);

    nErrCode = UPnPResult_Success;
    sErrDesc = "";

    QDomDocument xmlResult;
    if (m_sNamespace.isEmpty())
    {
        nErrCode = UPnPResult_MythTV_NoNamespaceGiven;
        sErrDesc = "No namespace given";
        return xmlResult;
    }

    // --------------------------------------------------------------
    // Add appropriate headers
    // --------------------------------------------------------------

    QHttpRequestHeader header("POST", sMethod, 1, 0);

    header.setValue("CONTENT-TYPE", "text/xml; charset=\"utf-8\"" );
    header.setValue("SOAPACTION",
                    QString("\"%1#%2\"").arg(m_sNamespace).arg(sMethod));

    // --------------------------------------------------------------
    // Build request payload
    // --------------------------------------------------------------

    QByteArray  aBuffer;
    QTextStream os( &aBuffer );

    os.setCodec("UTF-8");

    os << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n"; 
    os << "<s:Envelope "
        " s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\""
        " xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">\r\n";
    os << " <s:Body>\r\n";
    os << "  <u:" << sMethod << " xmlns:u=\"" << m_sNamespace << "\">\r\n";

    // --------------------------------------------------------------
    // Add parameters from list
    // --------------------------------------------------------------

    for (QStringMap::iterator it = list.begin(); it != list.end(); ++it)
    {                                                               
        os << "   <" << it.key() << ">";
        os << HTTPRequest::Encode( *it );
        os << "</"   << it.key() << ">\r\n";
    }

    os << "  </u:" << sMethod << ">\r\n";
    os << " </s:Body>\r\n";
    os << "</s:Envelope>\r\n";

    os.flush();

    // --------------------------------------------------------------
    // Perform Request
    // --------------------------------------------------------------

    QBuffer buff(&aBuffer);

    LOG(VB_UPNP, LOG_DEBUG,
        QString("SOAPClient(%1) sending:\n").arg(url.toString()) +
        header.toString() + QString("\n%1\n").arg(aBuffer.constData()));

    QString sXml =
        HttpComms::postHttp(url,
                            &header,
                            &buff, // QIODevice*
                            10000, // ms -- Technically should be 30ms per spec
                            3,     // retries
                            0,     // redirects
                            false, // allow gzip
                            NULL,  // login
                            bInQtThread,
                            QString() // userAgent, UPnP/1.0 very strict on
                                      // format if set
        );

    // --------------------------------------------------------------
    // Parse response
    // --------------------------------------------------------------

    LOG(VB_UPNP, LOG_DEBUG, "SOAPClient response:\n" +
                            QString("%1\n").arg(sXml));

    // TODO handle timeout without response correctly.

    list.clear();

    QDomDocument doc;

    if (!doc.setContent(sXml, true, &sErrDesc, &nErrCode))
    {
        LOG(VB_UPNP, LOG_ERR,
            QString("SendSOAPRequest( %1 ) - Invalid response from %2")
                .arg(sMethod).arg(url.toString()) + 
            QString("%1: %2").arg(nErrCode).arg(sErrDesc));

        return xmlResult;
    }

    // --------------------------------------------------------------
    // Is this a valid response?
    // --------------------------------------------------------------

    QString      sResponseName = sMethod + "Response";
    QDomNodeList oNodeList     =
        doc.elementsByTagNameNS(m_sNamespace, sResponseName);

    if (oNodeList.count() == 0)
    {
        // --------------------------------------------------------------
        // Must be a fault... parse it to return reason
        // --------------------------------------------------------------

        nErrCode = GetNodeValue(
            doc, "Envelope/Body/Fault/detail/UPnPError/errorCode", 500);
        sErrDesc = GetNodeValue(
            doc, "Envelope/Body/Fault/detail/UPnPError/errorDescription", "");
        if (sErrDesc.isEmpty())
            sErrDesc = QString("Unknown #%1").arg(nErrCode);

        QDomNode oNode  = FindNode( "Envelope/Body/Fault", doc );

        oNode = xmlResult.importNode( oNode, true );
        xmlResult.appendChild( oNode );

        return xmlResult;
    }

    QDomNode oMethod = oNodeList.item(0);
    if (oMethod.isNull())
        return xmlResult;

    QDomNode oNode = oMethod.firstChild(); 
    for (; !oNode.isNull(); oNode = oNode.nextSibling())
    {
        QDomElement e = oNode.toElement();
        if (e.isNull())
            continue;

        QString sName  = e.tagName();
        QString sValue = "";
    
        QDomText  oText = oNode.firstChild().toText();
    
        if (!oText.isNull())
            sValue = oText.nodeValue();

        list.insert(QUrl::fromPercentEncoding(sName.toUtf8()),
                    QUrl::fromPercentEncoding(sValue.toUtf8()));
    }

    // Create copy of oMethod that can be used with xmlResult.

    oMethod = xmlResult.importNode( oMethod.firstChild(), true  );

    // importNode does not attach the new nodes to the document,
    // do it here.

    xmlResult.appendChild( oMethod );

    return xmlResult;
}
Esempio n. 2
0
QDomDocument SOAPClient::SendSOAPRequest(const QString &sMethod,
                                         QStringMap    &list,
                                         int           &nErrCode,
                                         QString       &sErrDesc)
{
    QUrl url(m_url);

    url.setPath(m_sControlPath);

    nErrCode = UPnPResult_Success;
    sErrDesc = "";

    QDomDocument xmlResult;
    if (m_sNamespace.isEmpty())
    {
        nErrCode = UPnPResult_MythTV_NoNamespaceGiven;
        sErrDesc = "No namespace given";
        return xmlResult;
    }

    // --------------------------------------------------------------
    // Add appropriate headers
    // --------------------------------------------------------------
    QHash<QByteArray, QByteArray> headers;

    headers.insert("Content-Type", "text/xml; charset=\"utf-8\"");
    QString soapHeader = QString("\"%1#%2\"").arg(m_sNamespace).arg(sMethod);
	headers.insert("SOAPACTION", soapHeader.toUtf8());
    headers.insert("User-Agent", "Mozilla/9.876 (X11; U; Linux 2.2.12-20 i686, en) "
                                 "Gecko/25250101 Netscape/5.432b1");
    // --------------------------------------------------------------
    // Build request payload
    // --------------------------------------------------------------

    QByteArray  aBuffer;
    QTextStream os( &aBuffer );

    os.setCodec("UTF-8");

    os << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n"; 
    os << "<s:Envelope "
        " s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\""
        " xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">\r\n";
    os << " <s:Body>\r\n";
    os << "  <u:" << sMethod << " xmlns:u=\"" << m_sNamespace << "\">\r\n";

    // --------------------------------------------------------------
    // Add parameters from list
    // --------------------------------------------------------------

    for (QStringMap::iterator it = list.begin(); it != list.end(); ++it)
    {                                                               
        os << "   <" << it.key() << ">";
        os << HTTPRequest::Encode( *it );
        os << "</"   << it.key() << ">\r\n";
    }

    os << "  </u:" << sMethod << ">\r\n";
    os << " </s:Body>\r\n";
    os << "</s:Envelope>\r\n";

    os.flush();

    // --------------------------------------------------------------
    // Perform Request
    // --------------------------------------------------------------

    LOG(VB_UPNP, LOG_DEBUG,
        QString("SOAPClient(%1) sending:\n %2").arg(url.toString()).arg(aBuffer.constData()));

    QString sXml;

    if (!GetMythDownloadManager()->postAuth(url.toString(), &aBuffer, NULL, NULL, &headers))
    {
        LOG(VB_GENERAL, LOG_ERR, QString("SOAPClient::SendSOAPRequest: request failed: %1")
                                         .arg(url.toString()));
    }
    else
        sXml = QString(aBuffer);

    // --------------------------------------------------------------
    // Parse response
    // --------------------------------------------------------------

    LOG(VB_UPNP, LOG_DEBUG, "SOAPClient response:\n" +
                            QString("%1\n").arg(sXml));

    // TODO handle timeout without response correctly.

    list.clear();

    QDomDocument doc;

    if (!doc.setContent(sXml, true, &sErrDesc, &nErrCode))
    {
        LOG(VB_UPNP, LOG_ERR,
            QString("SendSOAPRequest( %1 ) - Invalid response from %2")
                .arg(sMethod).arg(url.toString()) + 
            QString("%1: %2").arg(nErrCode).arg(sErrDesc));

        return xmlResult;
    }

    // --------------------------------------------------------------
    // Is this a valid response?
    // --------------------------------------------------------------

    QString      sResponseName = sMethod + "Response";
    QDomNodeList oNodeList     =
        doc.elementsByTagNameNS(m_sNamespace, sResponseName);

    if (oNodeList.count() == 0)
    {
        // --------------------------------------------------------------
        // Must be a fault... parse it to return reason
        // --------------------------------------------------------------

        nErrCode = GetNodeValue(
            doc, "Envelope/Body/Fault/detail/UPnPError/errorCode", 500);
        sErrDesc = GetNodeValue(
            doc, "Envelope/Body/Fault/detail/UPnPError/errorDescription", "");
        if (sErrDesc.isEmpty())
            sErrDesc = QString("Unknown #%1").arg(nErrCode);

        QDomNode oNode  = FindNode( "Envelope/Body/Fault", doc );

        oNode = xmlResult.importNode( oNode, true );
        xmlResult.appendChild( oNode );

        return xmlResult;
    }

    QDomNode oMethod = oNodeList.item(0);
    if (oMethod.isNull())
        return xmlResult;

    QDomNode oNode = oMethod.firstChild(); 
    for (; !oNode.isNull(); oNode = oNode.nextSibling())
    {
        QDomElement e = oNode.toElement();
        if (e.isNull())
            continue;

        QString sName  = e.tagName();
        QString sValue = "";
    
        QDomText  oText = oNode.firstChild().toText();
    
        if (!oText.isNull())
            sValue = oText.nodeValue();

        list.insert(QUrl::fromPercentEncoding(sName.toUtf8()),
                    QUrl::fromPercentEncoding(sValue.toUtf8()));
    }

    // Create copy of oMethod that can be used with xmlResult.

    oMethod = xmlResult.importNode( oMethod.firstChild(), true  );

    // importNode does not attach the new nodes to the document,
    // do it here.

    xmlResult.appendChild( oMethod );

    return xmlResult;
}
Esempio n. 3
0
bool SOAPClient::SendSOAPRequest( const QString    &sMethod, 
                                        QStringMap &list, 
                                        int        &nErrCode, 
                                        QString    &sErrDesc,
                                        bool        bInQtThread )
{
    QUrl url( m_url );

    url.setPath( m_sControlPath );

    // --------------------------------------------------------------
    // Add appropriate headers
    // --------------------------------------------------------------

    QHttpRequestHeader header;

    header.setValue("CONTENT-TYPE", "text/xml; charset=\"utf-8\"" );
    header.setValue("SOAPACTION"  , QString( "\"%1#GetConnectionInfo\"" )
                                       .arg( m_sNamespace ));

    // --------------------------------------------------------------
    // Build request payload
    // --------------------------------------------------------------

    QByteArray  aBuffer;
    QTextStream os( &aBuffer );

    os << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n"; 
    os << "<s:Envelope s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\" xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">\r\n";
    os << " <s:Body>\r\n";
    os << "  <u:" << sMethod << " xmlns:u=\"" << m_sNamespace << "\">\r\n";

    // --------------------------------------------------------------
    // Add parameters from list
    // --------------------------------------------------------------

    for ( QStringMap::iterator it  = list.begin(); 
                               it != list.end(); 
                             ++it ) 
    {                                                               
        os << "   <" << it.key() << ">";
        os << HTTPRequest::Encode( *it );
        os << "</"   << it.key() << ">\r\n";
    }

    os << "  </u:" << sMethod << ">\r\n";
    os << " </s:Body>\r\n";
    os << "</s:Envelope>\r\n";

    os.flush();

    // --------------------------------------------------------------
    // Perform Request
    // --------------------------------------------------------------

    QBuffer     buff( &aBuffer );

    QString sXml = HttpComms::postHttp( url, 
                                        &header,
                                        (QIODevice *)&buff,
                                        10000, // ms
                                        3,     // retries
                                        0,     // redirects
                                        false, // allow gzip
                                        NULL,  // login
                                        bInQtThread );

    // --------------------------------------------------------------
    // Parse response
    // --------------------------------------------------------------

    list.clear();

    QDomDocument doc;

    if ( !doc.setContent( sXml, true, &sErrDesc, &nErrCode ))
    {
        VERBOSE( VB_UPNP, QString( "MythXMLClient::SendSOAPRequest( %1 ) - Invalid response from %2" )
                             .arg( sMethod   )
                             .arg( url.toString() ));
        return false;
    }

    // --------------------------------------------------------------
    // Is this a valid response?
    // --------------------------------------------------------------

    QString      sResponseName = sMethod + "Response";
    QDomNodeList oNodeList     = doc.elementsByTagNameNS( m_sNamespace, sResponseName );

    if (oNodeList.count() > 0)
    {
        QDomNode oMethod = oNodeList.item(0);

        if (!oMethod.isNull())
        {

            for ( QDomNode oNode = oMethod.firstChild(); !oNode.isNull(); 
                           oNode = oNode.nextSibling() )
            {
                QDomElement e = oNode.toElement();

                if (!e.isNull())
                {
                    QString sName  = e.tagName();
                    QString sValue = "";
    
                    QDomText  oText = oNode.firstChild().toText();
    
                    if (!oText.isNull())
                        sValue = oText.nodeValue();

                    list.insert(QUrl::fromPercentEncoding(sName.toUtf8()),
                                QUrl::fromPercentEncoding(sValue.toUtf8()));
                }
            }
        }

        return true;
    }

    // --------------------------------------------------------------
    // Must be a fault... parse it to return reason
    // --------------------------------------------------------------

    nErrCode = GetNodeValue( doc, "Envelope/Body/Fault/detail/UPnPResult/errorCode"       , 500 );
    sErrDesc = GetNodeValue( doc, "Envelope/Body/Fault/detail/UPnPResult/errorDescription", QString( "Unknown" ));

    return false;
}