xref: /trunk/main/ucb/source/ucp/webdav/webdavprovider.cxx (revision 51ba086bf122dbb5b50fd813e5b9a81c051aa16b)

/**************************************************************
 *
 * 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_webdav.hxx"

/**************************************************************************
                                TODO
 **************************************************************************

 *************************************************************************/
#include <ucbhelper/contentidentifier.hxx>
#include "webdavprovider.hxx"
#include "webdavcontent.hxx"
#include "webdavuseragent.hxx"

#include <osl/mutex.hxx>
#include <rtl/ustrbuf.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <curl/curl.h>

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


rtl::OUString &WebDAVUserAgent::operator()() const
{
    rtl::OUStringBuffer aBuffer;
    aBuffer.appendAscii( RTL_CONSTASCII_STRINGPARAM( "Apache " ));
    aBuffer.appendAscii( RTL_CONSTASCII_STRINGPARAM( "$ooName/$ooSetupVersion" ));
#if OSL_DEBUG_LEVEL > 0
    curl_version_info_data *curl_ver = curl_version_info(CURLVERSION_NOW);
    aBuffer.appendAscii( RTL_CONSTASCII_STRINGPARAM( " curl/" ) );
    aBuffer.appendAscii( curl_ver->version );
#endif
    static rtl::OUString aUserAgent( aBuffer.makeStringAndClear() );
    return aUserAgent;
}

//=========================================================================
//=========================================================================
//
// ContentProvider Implementation.
//
//=========================================================================
//=========================================================================

ContentProvider::ContentProvider(
                const uno::Reference< lang::XMultiServiceFactory >& rSMgr )
: ::ucbhelper::ContentProviderImplHelper( rSMgr ),
  m_xDAVSessionFactory( new DAVSessionFactory() ),
  m_pProps( 0 )
{
    static bool bInit = false;
    if ( bInit )
        return;
    bInit = true;
    try
    {
        uno::Reference< uno::XComponentContext > xContext(
            ::comphelper::getProcessComponentContext() );
        uno::Reference< lang::XMultiServiceFactory > xConfigProvider(
            xContext->getServiceManager()->createInstanceWithContext(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                                  "com.sun.star.configuration.ConfigurationProvider")), xContext),
            uno::UNO_QUERY_THROW );

        beans::NamedValue aNodePath;
        aNodePath.Name = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "nodepath" ) );
        aNodePath.Value <<= rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("/org.openoffice.Setup/Product"));

        uno::Sequence< uno::Any > aArgs( 1 );
        aArgs[0] <<= aNodePath;

        uno::Reference< container::XNameAccess > xConfigAccess(
            xConfigProvider->createInstanceWithArguments(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                    "com.sun.star.configuration.ConfigurationAccess")), aArgs),
            uno::UNO_QUERY_THROW );

        rtl::OUString aVal;
        xConfigAccess->getByName(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ooName"))) >>= aVal;

        rtl::OUString &aUserAgent = WebDAVUserAgent::get();
        sal_Int32 nIndex = aUserAgent.indexOfAsciiL( RTL_CONSTASCII_STRINGPARAM( "$ooName" ) );
        if ( !aVal.getLength() || nIndex == -1 )
            return;
        aUserAgent = aUserAgent.replaceAt( nIndex, RTL_CONSTASCII_LENGTH( "$ooName" ), aVal );

        xConfigAccess->getByName(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ooSetupVersion"))) >>= aVal;
        nIndex = aUserAgent.indexOfAsciiL( RTL_CONSTASCII_STRINGPARAM( "$ooSetupVersion" ) );
        if ( !aVal.getLength() || nIndex == -1 )
            return;
        aUserAgent = aUserAgent.replaceAt( nIndex, RTL_CONSTASCII_LENGTH( "$ooSetupVersion" ), aVal );

    }
    catch ( const uno::Exception &e )
    {
        OSL_TRACE( "ContentProvider -caught exception! %s",
                   rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_UTF8 ).getStr() );
        (void) e;
    }
}

//=========================================================================
// virtual
ContentProvider::~ContentProvider()
{
    delete m_pProps;
}

//=========================================================================
//
// XInterface methods.
//
//=========================================================================

XINTERFACE_IMPL_3( ContentProvider,
                   lang::XTypeProvider,
                   lang::XServiceInfo,
                   ucb::XContentProvider );

//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================

XTYPEPROVIDER_IMPL_3( ContentProvider,
                      lang::XTypeProvider,
                      lang::XServiceInfo,
                      ucb::XContentProvider );

//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================

XSERVICEINFO_IMPL_1( ContentProvider,
                     rtl::OUString::createFromAscii(
                        "com.sun.star.comp.WebDAVContentProvider" ),
                     rtl::OUString::createFromAscii(
                        WEBDAV_CONTENT_PROVIDER_SERVICE_NAME ) );

//=========================================================================
//
// Service factory implementation.
//
//=========================================================================

ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );

//=========================================================================
//
// XContentProvider methods.
//
//=========================================================================

// virtual
uno::Reference< ucb::XContent > SAL_CALL
ContentProvider::queryContent(
            const uno::Reference<
                    ucb::XContentIdentifier >& Identifier )
    throw( ucb::IllegalIdentifierException,
           uno::RuntimeException )
{
    // Check URL scheme...

    const rtl::OUString aScheme
        = Identifier->getContentProviderScheme().toAsciiLowerCase();
    if ( !aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( HTTP_URL_SCHEME ) ) &&
         !aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( HTTPS_URL_SCHEME ) ) &&
         !aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( WEBDAV_URL_SCHEME ) ) &&
         !aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( DAV_URL_SCHEME ) ) &&
         !aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( DAVS_URL_SCHEME ) ) )
        throw ucb::IllegalIdentifierException();

    // Normalize URL and create new Id, if nessacary.
    rtl::OUString aURL = Identifier->getContentIdentifier();

    // At least: <scheme> + "://"
    if ( aURL.getLength() < ( aScheme.getLength() + 3 ) )
        throw ucb::IllegalIdentifierException();

    if ( ( aURL.getStr()[ aScheme.getLength() ]     != sal_Unicode( ':' ) ) ||
         ( aURL.getStr()[ aScheme.getLength() + 1 ] != sal_Unicode( '/' ) ) ||
         ( aURL.getStr()[ aScheme.getLength() + 2 ] != sal_Unicode( '/' ) ) )
        throw ucb::IllegalIdentifierException();

    uno::Reference< ucb::XContentIdentifier > xCanonicId;

    bool bNewId = false;
    if ( aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( WEBDAV_URL_SCHEME ) ) )
    {
        aURL = aURL.replaceAt( 0,
                               WEBDAV_URL_SCHEME_LENGTH,
                               rtl::OUString::createFromAscii(
                                                    HTTP_URL_SCHEME ) );
        bNewId = true;
    }
    else if ( aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( DAV_URL_SCHEME ) ) )
    {
        aURL = aURL.replaceAt( 0,
                               DAV_URL_SCHEME_LENGTH,
                               rtl::OUString::createFromAscii(
                                                    HTTP_URL_SCHEME ) );
        bNewId = true;
    }
    else if ( aScheme.equalsAsciiL(
            RTL_CONSTASCII_STRINGPARAM( DAVS_URL_SCHEME ) ) )
    {
        aURL = aURL.replaceAt( 0,
                               DAVS_URL_SCHEME_LENGTH,
                               rtl::OUString::createFromAscii(
                                                    HTTPS_URL_SCHEME ) );
        bNewId = true;
    }

    sal_Int32 nPos = aURL.lastIndexOf( '/' );
    if ( nPos != aURL.getLength() - 1 )
    {
        // Find second slash in URL.
        nPos = aURL.indexOf( '/', aURL.indexOf( '/' ) + 1 );
        if ( nPos == -1 )
            throw ucb::IllegalIdentifierException();

        nPos = aURL.indexOf( '/', nPos + 1 );
        if ( nPos == -1 )
        {
            aURL += rtl::OUString::createFromAscii( "/" );
            bNewId = true;
        }
    }

    if ( bNewId )
        xCanonicId = new ::ucbhelper::ContentIdentifier( m_xSMgr, aURL );
    else
        xCanonicId = Identifier;

    osl::MutexGuard aGuard( m_aMutex );

    // Check, if a content with given id already exists...
    uno::Reference< ucb::XContent > xContent
        = queryExistingContent( xCanonicId ).get();
    if ( xContent.is() )
        return xContent;

    // Create a new content.

    try
    {
        xContent = new ::http_dav_ucp::Content(
                        m_xSMgr, this, xCanonicId, m_xDAVSessionFactory );
        registerNewContent( xContent );
    }
    catch ( ucb::ContentCreationException const & )
    {
        throw ucb::IllegalIdentifierException();
    }

    if ( !xContent->getIdentifier().is() )
        throw ucb::IllegalIdentifierException();

    return xContent;
}