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 * 
 * 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
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 *************************************************************/



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

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

 *************************************************************************/

#include <ucbhelper/contentbroker.hxx>
#include <osl/socket.hxx>
#include "ftpcontentprovider.hxx"
#include "ftpcontent.hxx"
#include "ftploaderthread.hxx"


using namespace ftp;
using namespace com::sun::star::lang;
using namespace com::sun::star::container;
using namespace com::sun::star::uno;
using namespace com::sun::star::ucb;
using namespace com::sun::star::beans;



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

FTPContentProvider::FTPContentProvider(
    const Reference< XMultiServiceFactory >& rSMgr)
: ::ucbhelper::ContentProviderImplHelper(rSMgr),
  m_ftpLoaderThread(0),
  m_pProxyDecider(0)
{
}

//=========================================================================
// virtual
FTPContentProvider::~FTPContentProvider()
{
	delete m_ftpLoaderThread;
	delete m_pProxyDecider;
}

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

XINTERFACE_IMPL_3(FTPContentProvider,
				  XTypeProvider,
				  XServiceInfo,
				  XContentProvider)

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

XTYPEPROVIDER_IMPL_3(FTPContentProvider,
					 XTypeProvider,
					 XServiceInfo,
					 XContentProvider)

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

XSERVICEINFO_IMPL_1(
    FTPContentProvider,
    rtl::OUString::createFromAscii("com.sun.star.comp.FTPContentProvider"),
    rtl::OUString::createFromAscii(FTP_CONTENT_PROVIDER_SERVICE_NAME));

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

ONE_INSTANCE_SERVICE_FACTORY_IMPL(FTPContentProvider);


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

// virtual
Reference<XContent> SAL_CALL
FTPContentProvider::queryContent(
	const Reference< XContentIdentifier >& xCanonicId
)
    throw(
		IllegalIdentifierException,
		RuntimeException
	)
{
    // Check, if a content with given id already exists...
    Reference<XContent> xContent = queryExistingContent(xCanonicId).get();
    if(xContent.is())
        return xContent;
    
	// A new content has to be returned:
	{
		// Initialize
		osl::MutexGuard aGuard( m_aMutex );
        if(!m_ftpLoaderThread || !m_pProxyDecider)
		{
			try {
				init();
			} catch( ... ) {
				throw RuntimeException();
			}
			
			if(!m_ftpLoaderThread || !m_pProxyDecider)
				throw RuntimeException();
		}
    }
	
	try {
		FTPURL aURL(xCanonicId->getContentIdentifier(),
					this);
		
		if(!m_pProxyDecider->shouldUseProxy(
			rtl::OUString::createFromAscii("ftp"),
			aURL.host(),
			aURL.port().toInt32()))
        {
			xContent = new FTPContent(m_xSMgr,this,xCanonicId,aURL);
            registerNewContent(xContent);
        }
		else {
			Reference<XContentProvider>
				xProvider(getHttpProvider());
			if(xProvider.is())
				return xProvider->queryContent(xCanonicId);
			else
				throw RuntimeException();
		}
	} catch(const malformed_exception&) {
		throw IllegalIdentifierException();
	}
	
	// may throw IllegalIdentifierException
    return xContent;
}




void FTPContentProvider::init() {
	m_ftpLoaderThread = new FTPLoaderThread();
	m_pProxyDecider = new ucbhelper::InternetProxyDecider(m_xSMgr);
}



CURL* FTPContentProvider::handle() {
	// Cannot be zero if called from here;
	return m_ftpLoaderThread->handle();
}


bool FTPContentProvider::forHost(
    const rtl::OUString& host,
    const rtl::OUString& port,
    const rtl::OUString& username,
    rtl::OUString& password,
    rtl::OUString& account)
{
    osl::MutexGuard aGuard(m_aMutex);
    for(unsigned int i = 0; i < m_ServerInfo.size(); ++i)
        if(host == m_ServerInfo[i].host && 
           port == m_ServerInfo[i].port && 
		   username == m_ServerInfo[i].username )
		{
            password = m_ServerInfo[i].password;
            account = m_ServerInfo[i].account;
            return true;
        }
    
    return false;
}


bool  FTPContentProvider::setHost(
    const rtl::OUString& host,
    const rtl::OUString& port,
    const rtl::OUString& username,
    const rtl::OUString& password,
    const rtl::OUString& account)
{
    ServerInfo inf;
    inf.host = host;
    inf.port = port;
    inf.username = username;
    inf.password = password;
    inf.account = account;

    bool present(false);
    osl::MutexGuard aGuard(m_aMutex);
    for(unsigned int i = 0; i < m_ServerInfo.size(); ++i)
        if(host == m_ServerInfo[i].host && 
           port == m_ServerInfo[i].port &&
		   username == m_ServerInfo[i].username)
		{
			present = true;
			m_ServerInfo[i].password = password;
			m_ServerInfo[i].account = account;
		}
    
    if(!present)
        m_ServerInfo.push_back(inf);
	
    return !present;
}



Reference<XContentProvider>
FTPContentProvider::getHttpProvider()
    throw(RuntimeException)
{
	// used for access to ftp-proxy
	ucbhelper::ContentBroker *pBroker = ucbhelper::ContentBroker::get();

	if(pBroker) {
		Reference<XContentProviderManager > xManager(
			pBroker->getContentProviderManagerInterface());
		
		if(xManager.is())
			return
				xManager->queryContentProvider(
					rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("http:")));
		else
			throw RuntimeException(
				rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
					"bad ucbhelper::ContentBroker")),
				*this);
	} else
		return 0;

}