xref: /AOO41X/main/ucb/source/ucp/webdav/SerfSession.cxx (revision fb7f54d274e818c0fa3cfcf886ef07ebf066acca)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucb.hxx"

#include <hash_map>
#include <vector>
#include <string.h>
#include <rtl/string.h>
#include "comphelper/sequence.hxx"
#include "ucbhelper/simplecertificatevalidationrequest.hxx"

#include <AprEnv.hxx>
#include <apr_strings.h>

#include "DAVAuthListener.hxx"
#include <SerfTypes.hxx>
#include <SerfSession.hxx>
#include <SerfUri.hxx>
#include <SerfRequestProcessor.hxx>
#include <SerfCallbacks.hxx>
#include <SerfInputStream.hxx>
#include <UCBDeadPropertyValue.hxx>

#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
#include <com/sun/star/security/XCertificate.hpp>
#include <com/sun/star/security/CertificateValidity.hpp>
#include <com/sun/star/security/CertificateContainerStatus.hpp>
#include <com/sun/star/security/CertificateContainer.hpp>
#include <com/sun/star/security/XCertificateContainer.hpp>
#include <com/sun/star/ucb/Lock.hpp>
#include <com/sun/star/xml/crypto/XSEInitializer.hpp>

using namespace com::sun::star;
using namespace http_dav_ucp;

// -------------------------------------------------------------------
// static members!
bool SerfSession::m_bGlobalsInited = false;
osl::Mutex SerfSession::m_aGlobalMutex;
//SerfLockStore SerfSession::m_aSerfLockStore;

// -------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------
SerfSession::SerfSession(
        const rtl::Reference< DAVSessionFactory > & rSessionFactory,
        const rtl::OUString& inUri,
        const ucbhelper::InternetProxyDecider & rProxyDecider )
    throw ( DAVException )
    : DAVSession( rSessionFactory )
    , m_aMutex()
    , m_aUri( inUri )
    , m_aProxyName()
    , m_nProxyPort( 0 )
    , m_pSerfConnection( 0 )
    , m_pSerfContext( 0 )
    , m_bIsHeadRequestInProgress( false )
    , m_rProxyDecider( rProxyDecider )
    , m_aEnv()
{
    m_pSerfContext = serf_context_create( getAprPool() );

    m_pSerfBucket_Alloc = serf_bucket_allocator_create( getAprPool(), NULL, NULL );
}

// -------------------------------------------------------------------
// Destructor
// -------------------------------------------------------------------
SerfSession::~SerfSession( )
{
    if ( m_pSerfConnection )
    {
        serf_connection_close( m_pSerfConnection );
        m_pSerfConnection = 0;
    }
}

// -------------------------------------------------------------------
void SerfSession::Init( const DAVRequestEnvironment & rEnv )
  throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );
    m_aEnv = rEnv;
    Init();
}

// -------------------------------------------------------------------
void SerfSession::Init()
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    bool bCreateNewSession = false;

    if ( m_pSerfConnection == 0 )
    {
        osl::Guard< osl::Mutex > theGlobalGuard( m_aGlobalMutex );
        // <--
        if ( !m_bGlobalsInited )
        {
            // TODO - figure out, if anything has to be done here
            m_bGlobalsInited = true;
        }

        const ucbhelper::InternetProxyServer & rProxyCfg = getProxySettings();

        m_aProxyName = rProxyCfg.aName;
        m_nProxyPort = rProxyCfg.nPort;

        // Not yet initialized. Create new session.
        bCreateNewSession = true;
    }
    else
    {
        const ucbhelper::InternetProxyServer & rProxyCfg = getProxySettings();

        if ( ( rProxyCfg.aName != m_aProxyName )
             || ( rProxyCfg.nPort != m_nProxyPort ) )
        {
            m_aProxyName = rProxyCfg.aName;
            m_nProxyPort = rProxyCfg.nPort;

            // new session needed, destroy old first
            serf_connection_close( m_pSerfConnection );
            m_pSerfConnection = 0;
            bCreateNewSession = true;
        }
    }

    if ( bCreateNewSession )
    {
        // TODO - close_connection callback
        apr_status_t status = serf_connection_create2( &m_pSerfConnection,
                                                       m_pSerfContext,
                                                       *(m_aUri.getAprUri()),
                                                       Serf_ConnectSetup, this,
                                                       0 /* close connection callback */, 0 /* close connection baton */,
                                                       getAprPool() );

        if ( m_pSerfConnection == 0 ||status != APR_SUCCESS )
        {
            throw DAVException( DAVException::DAV_SESSION_CREATE,
                                SerfUri::makeConnectionEndPointString( m_aUri.GetHost(), m_aUri.GetPort() ) );
        }

        // Register the session with the lock store
//        m_aSerfLockStore.registerSession( m_pSerfConnection );

        if ( m_aProxyName.getLength() )
        {
            apr_sockaddr_t *proxy_address = NULL;
            const apr_status_t status = apr_sockaddr_info_get( &proxy_address,
                                                               rtl::OUStringToOString( m_aProxyName, RTL_TEXTENCODING_UTF8 ),
                                                               APR_UNSPEC,
                                                               static_cast<apr_port_t>(m_nProxyPort),
                                                               0, getAprPool() );

            if ( status != APR_SUCCESS )
            {
                throw DAVException( DAVException::DAV_SESSION_CREATE,
                                    SerfUri::makeConnectionEndPointString( m_aUri.GetHost(), m_aUri.GetPort() ) );
            }

            serf_config_proxy( m_pSerfContext, proxy_address );
        }


        serf_config_credentials_callback( m_pSerfContext, Serf_Credentials );
    }
}

apr_pool_t* SerfSession::getAprPool()
{
    return apr_environment::AprEnv::getAprEnv()->getAprPool();
}

serf_bucket_alloc_t* SerfSession::getSerfBktAlloc()
{
    return m_pSerfBucket_Alloc;
}

serf_context_t* SerfSession::getSerfContext()
{
    return m_pSerfContext;
}

SerfConnection* SerfSession::getSerfConnection()
{
    return m_pSerfConnection;
}

bool SerfSession::isHeadRequestInProgress()
{
    return m_bIsHeadRequestInProgress;
}

bool SerfSession::isSSLNeeded()
{
    return m_aUri.GetScheme().equalsIgnoreAsciiCase( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "https" ) ) );
}

char* SerfSession::getHostinfo()
{
    return m_aUri.getAprUri()->hostinfo;
}


// -------------------------------------------------------------------
// virtual
sal_Bool SerfSession::CanUse( const rtl::OUString & inUri )
{
    try
    {
        SerfUri theUri( inUri );
        if ( ( theUri.GetPort() == m_aUri.GetPort() ) &&
             ( theUri.GetHost() == m_aUri.GetHost() ) &&
             ( theUri.GetScheme() == m_aUri.GetScheme() ) )
        {
            return sal_True;
        }
    }
    catch ( DAVException const & )
    {
        return sal_False;
    }
    return sal_False;
}

// -------------------------------------------------------------------
// virtual
sal_Bool SerfSession::UsesProxy()
{
    Init();
    return ( m_aProxyName.getLength() > 0 );
}

apr_status_t SerfSession::setupSerfConnection( apr_socket_t * inAprSocket,
                                               serf_bucket_t **outSerfInputBucket,
                                               serf_bucket_t **outSerfOutputBucket,
                                               apr_pool_t* /*inAprPool*/ )
{
    serf_bucket_t *tmpInputBkt;
    tmpInputBkt = serf_context_bucket_socket_create( getSerfContext(),
                                                     inAprSocket,
                                                     getSerfBktAlloc() );

    if ( isSSLNeeded() )
    {
        tmpInputBkt = serf_bucket_ssl_decrypt_create( tmpInputBkt,
                                                      0,
                                                      getSerfBktAlloc() );
        serf_ssl_server_cert_callback_set( serf_bucket_ssl_decrypt_context_get( tmpInputBkt ),
                                           Serf_CertificationValidation,
                                           this );
        serf_ssl_set_hostname( serf_bucket_ssl_decrypt_context_get( tmpInputBkt ),
                               getHostinfo() );

        *outSerfOutputBucket = serf_bucket_ssl_encrypt_create( *outSerfOutputBucket,
                                                               serf_bucket_ssl_decrypt_context_get( tmpInputBkt ),
                                                               getSerfBktAlloc() );
    }

    *outSerfInputBucket = tmpInputBkt;

    return APR_SUCCESS;
}

apr_status_t SerfSession::provideSerfCredentials( bool bGiveProvidedCredentialsASecondTry,
                                                  char ** outUsername,
                                                  char ** outPassword,
                                                  serf_request_t * /*inRequest*/,
                                                  int /*inCode*/,
                                                  const char *inAuthProtocol,
                                                  const char *inRealm,
                                                  apr_pool_t *inAprPool )
{
    DAVAuthListener * pListener = getRequestEnvironment().m_xAuthListener.get();
    if ( !pListener )
    {
        // abort
        return SERF_ERROR_AUTHN_FAILED;
    }

    rtl::OUString theUserName;
    rtl::OUString thePassWord;
    try
    {
        SerfUri uri( getRequestEnvironment().m_aRequestURI );
        rtl::OUString aUserInfo( uri.GetUserInfo() );
        if ( aUserInfo.getLength() )
        {
            sal_Int32 nPos = aUserInfo.indexOf( '@' );
            if ( nPos == -1 )
            {
                theUserName = aUserInfo;
            }
            else
            {
                theUserName = aUserInfo.copy( 0, nPos );
                thePassWord = aUserInfo.copy( nPos + 1 );
            }
        }
    }
    catch ( DAVException const & )
    {
        // abort
        return SERF_ERROR_AUTHN_FAILED;
    }

    const bool bCanUseSystemCreds = ( ( strcasecmp( inAuthProtocol, "NTLM" ) == 0 ) ||
                                      ( strcasecmp( inAuthProtocol, "Negotiate" ) == 0 ) );

    int theRetVal = pListener->authenticate( rtl::OUString::createFromAscii( inRealm ),
                                             getHostName(),
                                             theUserName,
                                             thePassWord,
                                             bCanUseSystemCreds,
                                             bGiveProvidedCredentialsASecondTry ? sal_False : sal_True );

    if ( theRetVal == 0 )
    {
        *outUsername = apr_pstrdup( inAprPool, rtl::OUStringToOString( theUserName, RTL_TEXTENCODING_UTF8 ) );
        *outPassword = apr_pstrdup( inAprPool, rtl::OUStringToOString( thePassWord, RTL_TEXTENCODING_UTF8 ) );
    }

    return theRetVal != 0 ? SERF_ERROR_AUTHN_FAILED : APR_SUCCESS;
}

namespace {
    // -------------------------------------------------------------------
    // Helper function
    ::rtl::OUString GetHostnamePart( const ::rtl::OUString& _rRawString )
    {
        ::rtl::OUString sPart;
        ::rtl::OUString sPartId = ::rtl::OUString::createFromAscii( "CN=" );
        sal_Int32 nContStart = _rRawString.indexOf( sPartId );
        if ( nContStart != -1 )
        {
            nContStart = nContStart + sPartId.getLength();
            sal_Int32 nContEnd
                = _rRawString.indexOf( sal_Unicode( ',' ), nContStart );
            sPart = _rRawString.copy( nContStart, nContEnd - nContStart );
        }
        return sPart;
    }
} // namespace

apr_status_t SerfSession::verifySerfCertificate( int inFailures,
                                                 const serf_ssl_certificate_t * inCert )
{
    OSL_ASSERT( inCert );

    uno::Reference< security::XCertificateContainer > xCertificateContainer;
    try
    {
        xCertificateContainer
            = uno::Reference< security::XCertificateContainer >(
                getMSF()->createInstance(
                    rtl::OUString::createFromAscii(
                        "com.sun.star.security.CertificateContainer" ) ),
                uno::UNO_QUERY );
    }
    catch ( uno::Exception const & )
    {
    }

    if ( !xCertificateContainer.is() )
        return SERF_SSL_CERT_UNKNOWN_FAILURE;

    inFailures = 0;

    const char * subjectItem = static_cast<char*>(apr_hash_get( serf_ssl_cert_subject( inCert, getAprPool() ),
                                                                "CN", APR_HASH_KEY_STRING ));
    if ( subjectItem == 0 )
    {
        subjectItem = static_cast<char*>(apr_hash_get( serf_ssl_cert_subject( inCert, getAprPool() ),
                                                       "OU", APR_HASH_KEY_STRING ));
    }
    rtl::OUString cert_subject;
    if ( subjectItem != 0 )
    {
        cert_subject = rtl::OUString( subjectItem, strlen( subjectItem ), RTL_TEXTENCODING_UTF8, 0 );
    }
    else
    {
        rtl::OUString::createFromAscii( "unknown subject" );
    }

    security::CertificateContainerStatus certificateContainer(
        xCertificateContainer->hasCertificate(
            getHostName(), cert_subject ) );

    if ( certificateContainer != security::CertificateContainerStatus_NOCERT )
    {
        return certificateContainer == security::CertificateContainerStatus_TRUSTED
               ? APR_SUCCESS
               : SERF_SSL_CERT_UNKNOWN_FAILURE;
    }

    uno::Reference< xml::crypto::XSEInitializer > xSEInitializer;
    try
    {
        xSEInitializer = uno::Reference< xml::crypto::XSEInitializer >(
            getMSF()->createInstance(
                rtl::OUString::createFromAscii( "com.sun.star.xml.crypto.SEInitializer" ) ),
            uno::UNO_QUERY );
    }
    catch ( uno::Exception const & )
    {
    }

    if ( !xSEInitializer.is() )
        return SERF_SSL_CERT_UNKNOWN_FAILURE;

    uno::Reference< xml::crypto::XXMLSecurityContext > xSecurityContext(
        xSEInitializer->createSecurityContext( rtl::OUString() ) );

    uno::Reference< xml::crypto::XSecurityEnvironment > xSecurityEnv(
        xSecurityContext->getSecurityEnvironment() );

    //The end entity certificate
    const char * eeCertB64 = serf_ssl_cert_export( inCert, getAprPool() );

    rtl::OString sEECertB64( eeCertB64 );

    uno::Reference< security::XCertificate > xEECert(
        xSecurityEnv->createCertificateFromAscii(
            rtl::OStringToOUString( sEECertB64, RTL_TEXTENCODING_ASCII_US ) ) );

    std::vector< uno::Reference< security::XCertificate > > vecCerts;
    const serf_ssl_certificate_t * issuerCert = inCert;
    do
    {
        //get the intermediate certificate
        issuerCert = NULL; // TODO - figure out how to retrieve certificate chain - ssl_cert_signedby( issuerCert );
        if ( NULL == issuerCert )
            break;

        const char * imCertB64 = serf_ssl_cert_export( issuerCert, getAprPool() );
        rtl::OString sInterMediateCertB64( imCertB64 );

        uno::Reference< security::XCertificate> xImCert(
            xSecurityEnv->createCertificateFromAscii(
                rtl::OStringToOUString(
                    sInterMediateCertB64, RTL_TEXTENCODING_ASCII_US ) ) );
        if ( xImCert.is() )
            vecCerts.push_back( xImCert );
    }
    while ( 1 );

    sal_Int64 certValidity = xSecurityEnv->verifyCertificate( xEECert,
        ::comphelper::containerToSequence( vecCerts ) );

    if ( isDomainMatch( GetHostnamePart( xEECert.get()->getSubjectName() ) ) )
    {
        // if host name matched with certificate then look if the
        // certificate was ok
        if( certValidity == security::CertificateValidity::VALID )
            return APR_SUCCESS;
    }

    const uno::Reference< ucb::XCommandEnvironment > xEnv( getRequestEnvironment().m_xEnv );
    if ( xEnv.is() )
    {
        inFailures = static_cast< int >( certValidity );

        uno::Reference< task::XInteractionHandler > xIH( xEnv->getInteractionHandler() );
        if ( xIH.is() )
        {
            rtl::Reference< ucbhelper::SimpleCertificateValidationRequest >
                xRequest( new ucbhelper::SimpleCertificateValidationRequest(
                    (sal_Int32)inFailures, xEECert, getHostName() ) );
            xIH->handle( xRequest.get() );

            rtl::Reference< ucbhelper::InteractionContinuation > xSelection
                = xRequest->getSelection();

            if ( xSelection.is() )
            {
                uno::Reference< task::XInteractionApprove > xApprove(
                    xSelection.get(), uno::UNO_QUERY );
                if ( xApprove.is() )
                {
                    xCertificateContainer->addCertificate( getHostName(), cert_subject,  sal_True );
                    return APR_SUCCESS;
                }
                else
                {
                    // Don't trust cert
                    xCertificateContainer->addCertificate( getHostName(), cert_subject, sal_False );
                    return SERF_SSL_CERT_UNKNOWN_FAILURE;
                }
            }
        }
        else
        {
            // Don't trust cert
            xCertificateContainer->addCertificate( getHostName(), cert_subject, sal_False );
            return SERF_SSL_CERT_UNKNOWN_FAILURE;
        }
    }
    return SERF_SSL_CERT_UNKNOWN_FAILURE;
}

serf_bucket_t* SerfSession::acceptSerfResponse( serf_request_t * inSerfRequest,
                                                serf_bucket_t * inSerfStreamBucket,
                                                apr_pool_t* /*inAprPool*/ )
{
    // get the per-request bucket allocator
    serf_bucket_alloc_t* SerfBktAlloc = serf_request_get_alloc( inSerfRequest );

    // create a barrier bucket so the response doesn't eat us!
    serf_bucket_t *responseBkt = serf_bucket_barrier_create( inSerfStreamBucket,
                                                             SerfBktAlloc );

    // create response bucket
    responseBkt = serf_bucket_response_create( responseBkt,
                                               SerfBktAlloc );

    if ( isHeadRequestInProgress() )
    {
        // advise the response bucket that this was from a HEAD request and that it should not expect to see a response body.
        serf_bucket_response_set_head( responseBkt );
    }

    return responseBkt;
}

// -------------------------------------------------------------------
// PROPFIND - allprop & named
// -------------------------------------------------------------------
void SerfSession::PROPFIND( const rtl::OUString & inPath,
                            const Depth inDepth,
                            const std::vector< rtl::OUString > & inPropNames,
                            std::vector< DAVResource > & ioResources,
                            const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    apr_status_t status = APR_SUCCESS;
    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    aReqProc.processPropFind( inDepth,
                              inPropNames,
                              ioResources,
                              status );

    if ( status == APR_SUCCESS &&
         aReqProc.mpDAVException == 0 &&
         ioResources.empty() )
    {
        m_aEnv = DAVRequestEnvironment();
        throw DAVException( DAVException::DAV_HTTP_ERROR, inPath, (sal_uInt16)APR_EGENERAL );
    }
    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// PROPFIND - propnames
// -------------------------------------------------------------------
void SerfSession::PROPFIND( const rtl::OUString & inPath,
                            const Depth inDepth,
                            std::vector< DAVResourceInfo > & ioResInfo,
                            const DAVRequestEnvironment & rEnv )
    throw( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    apr_status_t status = APR_SUCCESS;
    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    aReqProc.processPropFind( inDepth,
                              ioResInfo,
                              status );

    if ( status == APR_SUCCESS &&
         aReqProc.mpDAVException == 0 &&
         ioResInfo.empty() )
    {
        m_aEnv = DAVRequestEnvironment();
        throw DAVException( DAVException::DAV_HTTP_ERROR, inPath, (sal_uInt16)APR_EGENERAL );
    }
    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// PROPPATCH
// -------------------------------------------------------------------
void SerfSession::PROPPATCH( const rtl::OUString & inPath,
                             const std::vector< ProppatchValue > & inValues,
                             const DAVRequestEnvironment & rEnv )
    throw( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    apr_status_t status = APR_SUCCESS;
    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    aReqProc.processPropPatch( inValues,
                               status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// HEAD
// -------------------------------------------------------------------
void SerfSession::HEAD( const ::rtl::OUString & inPath,
                        const std::vector< ::rtl::OUString > & inHeaderNames,
                        DAVResource & ioResource,
                        const DAVRequestEnvironment & rEnv )
    throw( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    m_bIsHeadRequestInProgress = true;

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    ioResource.uri = inPath;
    ioResource.properties.clear();
    apr_status_t status = APR_SUCCESS;
    aReqProc.processHead( inHeaderNames,
                          ioResource,
                          status );

    HandleError( aReqProc,
                 inPath, rEnv );
    m_bIsHeadRequestInProgress = false;
}

// -------------------------------------------------------------------
// GET
// -------------------------------------------------------------------
uno::Reference< io::XInputStream >
SerfSession::GET( const rtl::OUString & inPath,
                  const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    uno::Reference< SerfInputStream > xInputStream( new SerfInputStream );
    apr_status_t status = APR_SUCCESS;
    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    aReqProc.processGet( xInputStream,
                         status );

    HandleError( aReqProc,
                 inPath, rEnv );

    return uno::Reference< io::XInputStream >( xInputStream.get() );
}

// -------------------------------------------------------------------
// GET
// -------------------------------------------------------------------
void SerfSession::GET( const rtl::OUString & inPath,
                       uno::Reference< io::XOutputStream > & ioOutputStream,
                       const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    apr_status_t status = APR_SUCCESS;
    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    aReqProc.processGet( ioOutputStream,
                         status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// GET
// -------------------------------------------------------------------
uno::Reference< io::XInputStream >
SerfSession::GET( const rtl::OUString & inPath,
                  const std::vector< ::rtl::OUString > & inHeaderNames,
                  DAVResource & ioResource,
                  const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    uno::Reference< SerfInputStream > xInputStream( new SerfInputStream );
    ioResource.uri = inPath;
    ioResource.properties.clear();
    apr_status_t status = APR_SUCCESS;
    aReqProc.processGet( xInputStream,
                         inHeaderNames,
                         ioResource,
                         status );

    HandleError( aReqProc,
                 inPath, rEnv );

    return uno::Reference< io::XInputStream >( xInputStream.get() );
}


// -------------------------------------------------------------------
// GET
// -------------------------------------------------------------------
void SerfSession::GET( const rtl::OUString & inPath,
                       uno::Reference< io::XOutputStream > & ioOutputStream,
                       const std::vector< ::rtl::OUString > & inHeaderNames,
                       DAVResource & ioResource,
                       const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    ioResource.uri = inPath;
    ioResource.properties.clear();
    apr_status_t status = APR_SUCCESS;
    aReqProc.processGet( ioOutputStream,
                         inHeaderNames,
                         ioResource,
                         status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// PUT
// -------------------------------------------------------------------
void SerfSession::PUT( const rtl::OUString & inPath,
                       const uno::Reference< io::XInputStream > & inInputStream,
                       const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    uno::Sequence< sal_Int8 > aDataToSend;
    if ( !getDataFromInputStream( inInputStream, aDataToSend, false ) )
        throw DAVException( DAVException::DAV_INVALID_ARG );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processPut( reinterpret_cast< const char * >( aDataToSend.getConstArray() ),
                         aDataToSend.getLength(),
                         status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// POST
// -------------------------------------------------------------------
uno::Reference< io::XInputStream >
SerfSession::POST( const rtl::OUString & inPath,
                   const rtl::OUString & rContentType,
                   const rtl::OUString & rReferer,
                   const uno::Reference< io::XInputStream > & inInputStream,
                   const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    uno::Sequence< sal_Int8 > aDataToSend;
    if ( !getDataFromInputStream( inInputStream, aDataToSend, true ) )
    {
        throw DAVException( DAVException::DAV_INVALID_ARG );
    }

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    uno::Reference< SerfInputStream > xInputStream( new SerfInputStream );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processPost( reinterpret_cast< const char * >( aDataToSend.getConstArray() ),
                          aDataToSend.getLength(),
                          rContentType,
                          rReferer,
                          xInputStream,
                          status );

    HandleError( aReqProc,
                 inPath, rEnv );
    return uno::Reference< io::XInputStream >( xInputStream.get() );
}

// -------------------------------------------------------------------
// POST
// -------------------------------------------------------------------
void SerfSession::POST( const rtl::OUString & inPath,
                        const rtl::OUString & rContentType,
                        const rtl::OUString & rReferer,
                        const uno::Reference< io::XInputStream > & inInputStream,
                        uno::Reference< io::XOutputStream > & oOutputStream,
                        const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    uno::Sequence< sal_Int8 > aDataToSend;
    if ( !getDataFromInputStream( inInputStream, aDataToSend, true ) )
    {
        throw DAVException( DAVException::DAV_INVALID_ARG );
    }

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processPost( reinterpret_cast< const char * >( aDataToSend.getConstArray() ),
                          aDataToSend.getLength(),
                          rContentType,
                          rReferer,
                          oOutputStream,
                          status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// MKCOL
// -------------------------------------------------------------------
void SerfSession::MKCOL( const rtl::OUString & inPath,
                         const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processMkCol( status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
// COPY
// -------------------------------------------------------------------
void SerfSession::COPY( const rtl::OUString & inSourceURL,
                        const rtl::OUString & inDestinationURL,
                        const DAVRequestEnvironment & rEnv,
                        sal_Bool inOverWrite )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfUri theSourceUri( inSourceURL );
    SerfRequestProcessor aReqProc( *this,
                                   theSourceUri.GetPath() );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processCopy( inDestinationURL,
                          (inOverWrite ? true : false),
                          status );

    HandleError( aReqProc,
                 inSourceURL, rEnv );
}

// -------------------------------------------------------------------
// MOVE
// -------------------------------------------------------------------
void SerfSession::MOVE( const rtl::OUString & inSourceURL,
                        const rtl::OUString & inDestinationURL,
                        const DAVRequestEnvironment & rEnv,
                        sal_Bool inOverWrite )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfUri theSourceUri( inSourceURL );
    SerfRequestProcessor aReqProc( *this,
                                   theSourceUri.GetPath() );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processMove( inDestinationURL,
                          (inOverWrite ? true : false),
                          status );

    HandleError( aReqProc,
                 inSourceURL, rEnv );
}

// -------------------------------------------------------------------
// DESTROY
// -------------------------------------------------------------------
void SerfSession::DESTROY( const rtl::OUString & inPath,
                           const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    apr_status_t status = APR_SUCCESS;
    aReqProc.processDelete( status );

    HandleError( aReqProc,
                 inPath, rEnv );
}

// -------------------------------------------------------------------
/*
namespace
{
    sal_Int32 lastChanceToSendRefreshRequest( TimeValue const & rStart,
                                              int timeout )
    {
        TimeValue aEnd;
        osl_getSystemTime( &aEnd );

        // Try to estimate a safe absolute time for sending the
        // lock refresh request.
        sal_Int32 lastChanceToSendRefreshRequest = -1;
        if ( timeout != NE_TIMEOUT_INFINITE )
        {
            sal_Int32 calltime = aEnd.Seconds - rStart.Seconds;
            if ( calltime <= timeout )
            {
                lastChanceToSendRefreshRequest
                    = aEnd.Seconds + timeout - calltime;
            }
            else
            {
                OSL_TRACE( "No chance to refresh lock before timeout!" );
            }
        }
        return lastChanceToSendRefreshRequest;
    }

} // namespace
*/
// -------------------------------------------------------------------
// LOCK (set new lock)
// -------------------------------------------------------------------
void SerfSession::LOCK( const ::rtl::OUString & inPath,
                        ucb::Lock & /*rLock*/,
                        const DAVRequestEnvironment & rEnv )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    Init( rEnv );

    SerfRequestProcessor aReqProc( *this,
                                   inPath );
    HandleError( aReqProc,
                 inPath, rEnv );
    /* Create a depth zero, exclusive write lock, with default timeout
     * (allowing a server to pick a default).  token, owner and uri are
     * unset. */
    /*
    SerfLock * theLock = ne_lock_create();

    // Set the lock uri
    ne_uri aUri;
    ne_uri_parse( rtl::OUStringToOString( makeAbsoluteURL( inPath ),
                                          RTL_TEXTENCODING_UTF8 ).getStr(),
                  &aUri );
    theLock->uri = aUri;

    // Set the lock depth
    switch( rLock.Depth )
    {
    case ucb::LockDepth_ZERO:
        theLock->depth = NE_DEPTH_ZERO;
        break;
    case ucb::LockDepth_ONE:
        theLock->depth = NE_DEPTH_ONE;
        break;
    case ucb::LockDepth_INFINITY:
        theLock->depth = NE_DEPTH_INFINITE;
        break;
    default:
        throw DAVException( DAVException::DAV_INVALID_ARG );
    }

    // Set the lock scope
    switch ( rLock.Scope )
    {
    case ucb::LockScope_EXCLUSIVE:
        theLock->scope = ne_lockscope_exclusive;
        break;
    case ucb::LockScope_SHARED:
        theLock->scope = ne_lockscope_shared;
        break;
    default:
        throw DAVException( DAVException::DAV_INVALID_ARG );
    }

    // Set the lock timeout
    theLock->timeout = (long)rLock.Timeout;

    // Set the lock owner
    rtl::OUString aValue;
    rLock.Owner >>= aValue;
    theLock->owner =
        ne_strdup( rtl::OUStringToOString( aValue,
                                           RTL_TEXTENCODING_UTF8 ).getStr() );
    TimeValue startCall;
    osl_getSystemTime( &startCall );

    int theRetVal = ne_lock( m_pHttpSession, theLock );

    if ( theRetVal == NE_OK )
    {
        m_aSerfLockStore.addLock( theLock,
                                  this,
                                  lastChanceToSendRefreshRequest(
                                      startCall, theLock->timeout ) );

        uno::Sequence< rtl::OUString > aTokens( 1 );
        aTokens[ 0 ] = rtl::OUString::createFromAscii( theLock->token );
        rLock.LockTokens = aTokens;

        OSL_TRACE( "SerfSession::LOCK: created lock for %s. token: %s",
                   rtl::OUStringToOString( makeAbsoluteURL( inPath ),
                                           RTL_TEXTENCODING_UTF8 ).getStr(),
                   theLock->token );
    }
    else
    {
        ne_lock_destroy( theLock );

        OSL_TRACE( "SerfSession::LOCK: obtaining lock for %s failed!",
                   rtl::OUStringToOString( makeAbsoluteURL( inPath ),
                                           RTL_TEXTENCODING_UTF8 ).getStr() );
    }

    HandleError( theRetVal, inPath, rEnv );
    */
}

// -------------------------------------------------------------------
// LOCK (refresh existing lock)
// -------------------------------------------------------------------
sal_Int64 SerfSession::LOCK( const ::rtl::OUString & /*inPath*/,
                             sal_Int64 nTimeout,
                             const DAVRequestEnvironment & /*rEnv*/ )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    return nTimeout;
    /*
    // Try to get the neon lock from lock store
    SerfLock * theLock
        = m_aSerfLockStore.findByUri( makeAbsoluteURL( inPath ) );
    if ( !theLock )
         throw DAVException( DAVException::DAV_NOT_LOCKED );

    Init( rEnv );

    // refresh existing lock.
    theLock->timeout = static_cast< long >( nTimeout );

    TimeValue startCall;
    osl_getSystemTime( &startCall );

    int theRetVal = ne_lock_refresh( m_pHttpSession, theLock );

    if ( theRetVal == NE_OK )
    {
        m_aSerfLockStore.updateLock( theLock,
                                     lastChanceToSendRefreshRequest(
                                         startCall, theLock->timeout ) );
    }

    HandleError( theRetVal, inPath, rEnv );

    return theLock->timeout;
    */
}

// -------------------------------------------------------------------
// LOCK (refresh existing lock)
// -------------------------------------------------------------------
bool SerfSession::LOCK( SerfLock * /*pLock*/,
                        sal_Int32 & /*rlastChanceToSendRefreshRequest*/ )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    return true;
    /*
    // refresh existing lock.

    TimeValue startCall;
    osl_getSystemTime( &startCall );

    if ( ne_lock_refresh( m_pHttpSession, pLock ) == NE_OK )
    {
        rlastChanceToSendRefreshRequest
            = lastChanceToSendRefreshRequest( startCall, pLock->timeout );

        OSL_TRACE( "Lock successfully refreshed." );
        return true;
    }
    else
    {
        OSL_TRACE( "Lock not refreshed!" );
        return false;
    }
    */
}

// -------------------------------------------------------------------
// UNLOCK
// -------------------------------------------------------------------
void SerfSession::UNLOCK( const ::rtl::OUString & /*inPath*/,
                          const DAVRequestEnvironment & /*rEnv*/ )
    throw ( DAVException )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    /*
    // get the neon lock from lock store
    SerfLock * theLock
        = m_aSerfLockStore.findByUri( makeAbsoluteURL( inPath ) );
    if ( !theLock )
        throw DAVException( DAVException::DAV_NOT_LOCKED );

    Init( rEnv );

    int theRetVal = ne_unlock( m_pHttpSession, theLock );

    if ( theRetVal == NE_OK )
    {
        m_aSerfLockStore.removeLock( theLock );
        ne_lock_destroy( theLock );
    }
    else
    {
        OSL_TRACE( "SerfSession::UNLOCK: unlocking of %s failed.",
                   rtl::OUStringToOString( makeAbsoluteURL( inPath ),
                                           RTL_TEXTENCODING_UTF8 ).getStr() );
    }

    HandleError( theRetVal, inPath, rEnv );
    */
}

// -------------------------------------------------------------------
// UNLOCK
// -------------------------------------------------------------------
bool SerfSession::UNLOCK( SerfLock * /*pLock*/ )
{
    osl::Guard< osl::Mutex > theGuard( m_aMutex );

    return true;
    /*
    if ( ne_unlock( m_pHttpSession, pLock ) == NE_OK )
    {
        OSL_TRACE( "UNLOCK succeeded." );
        return true;
    }
    else
    {
        OSL_TRACE( "UNLOCK failed!" );
        return false;
    }
    */
}

// -------------------------------------------------------------------
void SerfSession::abort()
    throw ( DAVException )
{
    // 11.11.09 (tkr): The following code lines causing crashes if
    // closing a ongoing connection. It turned out that this existing
    // solution doesn't work in multi-threading environments.
    // So I disabled them in 3.2. . Issue #73893# should fix it in OOo 3.3.
    //if ( m_pHttpSession )
    //    ne_close_connection( m_pHttpSession );
}

// -------------------------------------------------------------------
const ucbhelper::InternetProxyServer & SerfSession::getProxySettings() const
{
    if ( m_aUri.GetScheme().equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "http" ) ) ||
         m_aUri.GetScheme().equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "https" ) ) )
    {
        return m_rProxyDecider.getProxy( m_aUri.GetScheme(),
                                         m_aUri.GetHost(),
                                         m_aUri.GetPort() );
    }
    else
    {
        // TODO: figure out, if this case can occur
        return m_rProxyDecider.getProxy( m_aUri.GetScheme(),
                                         rtl::OUString() /* not used */,
                                         -1 /* not used */ );
    }
}

/*
// -------------------------------------------------------------------
namespace {

bool containsLocktoken( const uno::Sequence< ucb::Lock > & rLocks,
                        const char * token )
{
    for ( sal_Int32 n = 0; n < rLocks.getLength(); ++n )
    {
        const uno::Sequence< rtl::OUString > & rTokens
            = rLocks[ n ].LockTokens;
        for ( sal_Int32 m = 0; m < rTokens.getLength(); ++m )
        {
            if ( rTokens[ m ].equalsAscii( token ) )
                return true;
        }
    }
    return false;
}

} // namespace
*/

// -------------------------------------------------------------------
bool SerfSession::removeExpiredLocktoken( const rtl::OUString & /*inURL*/,
                                          const DAVRequestEnvironment & /*rEnv*/ )
{
    return true;
    /*
    SerfLock * theLock = m_aSerfLockStore.findByUri( inURL );
    if ( !theLock )
        return false;

    // do a lockdiscovery to check whether this lock is still valid.
    try
    {
        // @@@ Alternative: use ne_lock_discover() => less overhead

        std::vector< DAVResource > aResources;
        std::vector< rtl::OUString > aPropNames;
        aPropNames.push_back( DAVProperties::LOCKDISCOVERY );

        PROPFIND( rEnv.m_aRequestURI, DAVZERO, aPropNames, aResources, rEnv );

        if ( aResources.size() == 0 )
            return false;

        std::vector< DAVPropertyValue >::const_iterator it
            = aResources[ 0 ].properties.begin();
        std::vector< DAVPropertyValue >::const_iterator end
            = aResources[ 0 ].properties.end();

        while ( it != end )
        {
            if ( (*it).Name.equals( DAVProperties::LOCKDISCOVERY ) )
            {
                uno::Sequence< ucb::Lock > aLocks;
                if ( !( (*it).Value >>= aLocks ) )
                    return false;

                if ( !containsLocktoken( aLocks, theLock->token ) )
                {
                    // expired!
                    break;
                }

                // still valid.
                return false;
            }
            ++it;
        }

        // No lockdiscovery prop in propfind result / locktoken not found
        // in propfind result -> not locked
        OSL_TRACE( "SerfSession::removeExpiredLocktoken: Removing "
                   " expired lock token for %s. token: %s",
                   rtl::OUStringToOString( inURL,
                                           RTL_TEXTENCODING_UTF8 ).getStr(),
                   theLock->token );

        m_aSerfLockStore.removeLock( theLock );
        ne_lock_destroy( theLock );
        return true;
    }
    catch ( DAVException const & )
    {
    }
    return false;
    */
}

// -------------------------------------------------------------------
// HandleError
// Common Error Handler
// -------------------------------------------------------------------
void SerfSession::HandleError( SerfRequestProcessor& rReqProc,
                               const rtl::OUString & /*inPath*/,
                               const DAVRequestEnvironment & /*rEnv*/ )
    throw ( DAVException )
{
    m_aEnv = DAVRequestEnvironment();

    if ( rReqProc.mpDAVException )
    {
        DAVException* mpDAVExp( rReqProc.mpDAVException );

        serf_connection_reset( getSerfConnection() );

        throw DAVException( mpDAVExp->getError(),
                            mpDAVExp->getData(),
                            mpDAVExp->getStatus() );
    }

    /*
    // Map error code to DAVException.
    switch ( nError )
    {
        case NE_OK:
            return;

        case NE_ERROR:        // Generic error
        {
            rtl::OUString aText = rtl::OUString::createFromAscii(
                ne_get_error( m_pHttpSession ) );

            sal_uInt16 code = makeStatusCode( aText );

            if ( code == SC_LOCKED )
            {
                if ( m_aSerfLockStore.findByUri(
                         makeAbsoluteURL( inPath ) ) == 0 )
                {
                    // locked by 3rd party
                    throw DAVException( DAVException::DAV_LOCKED );
                }
                else
                {
                    // locked by ourself
                    throw DAVException( DAVException::DAV_LOCKED_SELF );
                }
            }

            // Special handling for 400 and 412 status codes, which may indicate
            // that a lock previously obtained by us has been released meanwhile
            // by the server. Unfortunately, RFC is not clear at this point,
            // thus server implementations behave different...
            else if ( code == SC_BAD_REQUEST || code == SC_PRECONDITION_FAILED )
            {
                if ( removeExpiredLocktoken( makeAbsoluteURL( inPath ), rEnv ) )
                    throw DAVException( DAVException::DAV_LOCK_EXPIRED );
            }

            throw DAVException( DAVException::DAV_HTTP_ERROR, aText, code );
        }
        case NE_LOOKUP:       // Name lookup failed.
            throw DAVException( DAVException::DAV_HTTP_LOOKUP,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_AUTH:         // User authentication failed on server
            throw DAVException( DAVException::DAV_HTTP_AUTH,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_PROXYAUTH:    // User authentication failed on proxy
            throw DAVException( DAVException::DAV_HTTP_AUTHPROXY,
                                SerfUri::makeConnectionEndPointString(
                                    m_aProxyName, m_nProxyPort ) );

        case NE_CONNECT:      // Could not connect to server
            throw DAVException( DAVException::DAV_HTTP_CONNECT,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_TIMEOUT:      // Connection timed out
            throw DAVException( DAVException::DAV_HTTP_TIMEOUT,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_FAILED:       // The precondition failed
            throw DAVException( DAVException::DAV_HTTP_FAILED,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_RETRY:        // Retry request (ne_end_request ONLY)
            throw DAVException( DAVException::DAV_HTTP_RETRY,
                                SerfUri::makeConnectionEndPointString(
                                    m_aHostName, m_nPort ) );

        case NE_REDIRECT:
        {
            SerfUri aUri( ne_redirect_location( m_pHttpSession ) );
            throw DAVException(
                DAVException::DAV_HTTP_REDIRECT, aUri.GetURI() );
        }
        default:
        {
            OSL_TRACE( "SerfSession::HandleError : Unknown Serf error code!" );
            throw DAVException( DAVException::DAV_HTTP_ERROR,
                                rtl::OUString::createFromAscii(
                                    ne_get_error( m_pHttpSession ) ) );
        }
    }
    */
}

// -------------------------------------------------------------------
// static
bool
SerfSession::getDataFromInputStream(
    const uno::Reference< io::XInputStream > & xStream,
    uno::Sequence< sal_Int8 > & rData,
    bool bAppendTrailingZeroByte )
{
    if ( xStream.is() )
    {
        uno::Reference< io::XSeekable > xSeekable( xStream, uno::UNO_QUERY );
        if ( xSeekable.is() )
        {
            try
            {
                sal_Int32 nSize
                    = sal::static_int_cast<sal_Int32>(xSeekable->getLength());
                sal_Int32 nRead
                    = xStream->readBytes( rData, nSize );

                if ( nRead == nSize )
                {
                    if ( bAppendTrailingZeroByte )
                    {
                        rData.realloc( nSize + 1 );
                        rData[ nSize ] = sal_Int8( 0 );
                    }
                    return true;
                }
            }
            catch ( io::NotConnectedException const & )
            {
                // readBytes
            }
            catch ( io::BufferSizeExceededException const & )
            {
                // readBytes
            }
            catch ( io::IOException const & )
            {
                // getLength, readBytes
            }
        }
        else
        {
            try
            {
                uno::Sequence< sal_Int8 > aBuffer;
                sal_Int32 nPos = 0;

                sal_Int32 nRead = xStream->readSomeBytes( aBuffer, 65536 );
                while ( nRead > 0 )
                {
                    if ( rData.getLength() < ( nPos + nRead ) )
                        rData.realloc( nPos + nRead );

                    aBuffer.realloc( nRead );
                    rtl_copyMemory( (void*)( rData.getArray() + nPos ),
                                    (const void*)aBuffer.getConstArray(),
                                    nRead );
                    nPos += nRead;

                    aBuffer.realloc( 0 );
                    nRead = xStream->readSomeBytes( aBuffer, 65536 );
                }

                if ( bAppendTrailingZeroByte )
                {
                    rData.realloc( nPos + 1 );
                    rData[ nPos ] = sal_Int8( 0 );
                }
                return true;
            }
            catch ( io::NotConnectedException const & )
            {
                // readBytes
            }
            catch ( io::BufferSizeExceededException const & )
            {
                // readBytes
            }
            catch ( io::IOException const & )
            {
                // readBytes
            }
        }
    }
    return false;
}

// ---------------------------------------------------------------------
sal_Bool
SerfSession::isDomainMatch( rtl::OUString certHostName )
{
    rtl::OUString hostName = getHostName();

    if (hostName.equalsIgnoreAsciiCase( certHostName ) )
        return sal_True;

    if ( 0 == certHostName.indexOf( rtl::OUString::createFromAscii( "*" ) ) &&
         hostName.getLength() >= certHostName.getLength()  )
    {
        rtl::OUString cmpStr = certHostName.copy( 1 );

        if ( hostName.matchIgnoreAsciiCase(
                cmpStr, hostName.getLength() -  cmpStr.getLength() ) )
            return sal_True;
    }
    return sal_False;
}

/*
// ---------------------------------------------------------------------
rtl::OUString SerfSession::makeAbsoluteURL( rtl::OUString const & rURL ) const
{
    try
    {
        // Is URL relative or already absolute?
        if ( rURL[ 0 ] != sal_Unicode( '/' ) )
        {
            // absolute.
            return rtl::OUString( rURL );
        }
        else
        {
            ne_uri aUri;
            memset( &aUri, 0, sizeof( aUri ) );

            ne_fill_server_uri( m_pHttpSession, &aUri );
            aUri.path
                = ne_strdup( rtl::OUStringToOString(
                    rURL, RTL_TEXTENCODING_UTF8 ).getStr() );
            SerfUri aSerfUri( &aUri );
            ne_uri_free( &aUri );
            return aSerfUri.GetURI();
        }
    }
    catch ( DAVException const & )
    {
    }
    // error.
    return rtl::OUString();
}
*/