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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: wininetlayer.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 19:50:48 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _WININETLAYER_HXX_
#include "wininetlayer.hxx"
#endif
#include <malloc.h>
#define EQUAL_SIGN '='
#define COLON ':'
#define SPACE ' '
#define SEMI_COLON ';'
typedef struct
{
rtl::OUString Server;
rtl::OUString Port;
} ProxyEntry;
//------------------------------------------------------------------------
// helper functions
//------------------------------------------------------------------------
namespace // private
{
ProxyEntry ReadProxyEntry(const rtl::OUString& aProxy, sal_Int32& i)
{
ProxyEntry aProxyEntry;
aProxyEntry.Server = aProxy.getToken( 0, COLON, i );
if ( i > -1 )
aProxyEntry.Port = aProxy.getToken( 0, COLON, i );
return aProxyEntry;
}
ProxyEntry FindProxyEntry(const rtl::OUString& aProxyList, const rtl::OUString& aType)
{
sal_Int32 nIndex = 0;
do
{
// get the next token, e.g. ftp=server:port
rtl::OUString nextToken = aProxyList.getToken( 0, SPACE, nIndex );
// split the next token again into the parts separated
// through '=', e.g. ftp=server:port -> ftp and server:port
sal_Int32 i = 0;
if( nextToken.indexOf( EQUAL_SIGN ) > -1 )
{
if( aType.equals( nextToken.getToken( 0, EQUAL_SIGN, i ) ) )
return ReadProxyEntry(nextToken, i);
}
else if( aType.getLength() == 0)
return ReadProxyEntry(nextToken, i);
} while ( nIndex >= 0 );
return ProxyEntry();
}
} // end private namespace
//------------------------------------------------------------------------------
WinInetLayer::WinInetLayer( InternetQueryOption_Proc_T lpfnInternetQueryOption,
const uno::Reference<uno::XComponentContext>& xContext)
: m_lpfnInternetQueryOption(lpfnInternetQueryOption)
{
//Create instance of LayerContentDescriber Service
rtl::OUString const k_sLayerDescriberService(RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.comp.configuration.backend.LayerDescriber"));
typedef uno::Reference<backend::XLayerContentDescriber> LayerDescriber;
uno::Reference< lang::XMultiComponentFactory > xServiceManager = xContext->getServiceManager();
if( xServiceManager.is() )
{
m_xLayerContentDescriber = LayerDescriber::query(
xServiceManager->createInstanceWithContext(k_sLayerDescriberService, xContext));
}
else
{
OSL_TRACE("Could not retrieve ServiceManager");
}
}
//------------------------------------------------------------------------------
void SAL_CALL WinInetLayer::readData(
const uno::Reference<backend::XLayerHandler>& xHandler)
throw ( backend::MalformedDataException,
lang::NullPointerException,
lang::WrappedTargetException,
uno::RuntimeException)
{
if (m_xLayerContentDescriber.is() && m_lpfnInternetQueryOption)
{
LPINTERNET_PROXY_INFO lpi = NULL;
// query for the neccessary space
DWORD dwLength = 0;
BOOL bRet = m_lpfnInternetQueryOption(
NULL,
INTERNET_OPTION_PROXY,
(LPVOID)lpi,
&dwLength );
// allocate sufficient space on the heap
// insufficient space on the heap results
// in a stack overflow exception, we assume
// this never happens, because of the relatively
// small amount of memory we need
// _alloca is nice because it is fast and we don't
// have to free the allocated memory, it will be
// automatically done
lpi = reinterpret_cast< LPINTERNET_PROXY_INFO >(
_alloca( dwLength ) );
bRet = m_lpfnInternetQueryOption(
NULL,
INTERNET_OPTION_PROXY,
(LPVOID)lpi,
&dwLength );
// if a proxy is disabled, InternetQueryOption returns
// an empty proxy list, so we don't have to check if
// proxy is enabled or not
rtl::OUString aProxyList = rtl::OUString::createFromAscii( lpi->lpszProxy );
rtl::OUString aProxyBypassList = rtl::OUString::createFromAscii( lpi->lpszProxyBypass );
// override default for ProxyType, which is "0" meaning "No proxies".
uno::Sequence<backend::PropertyInfo> aPropInfoList(6);
sal_Int32 nProperties = 1;
aPropInfoList[0].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetProxyType") );
aPropInfoList[0].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "int" ) );
aPropInfoList[0].Protected = sal_False;
aPropInfoList[0].Value = uno::makeAny( nProperties );
// fill proxy bypass list
if( aProxyBypassList.getLength() > 0 )
{
aPropInfoList[nProperties].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetNoProxy") );
aPropInfoList[nProperties].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "string" ) );
aPropInfoList[nProperties].Protected = sal_False;
aPropInfoList[nProperties++].Value = uno::makeAny( aProxyBypassList.replace( SPACE, SEMI_COLON ) );
}
if( aProxyList.getLength() > 0 )
{
//-------------------------------------------------
// this implementation follows the algorithm
// of the internet explorer
// if there are type-dependent proxy settings
// and type independent proxy settings in the
// registry the internet explorer chooses the
// type independent proxy for all settings
// e.g. imagine the following registry entry
// ftp=server:port;http=server:port;server:port
// the last token server:port is type independent
// so the ie chooses this proxy server
// if there is no port specified for a type independent
// server the ie uses the port of an http server if
// there is one and it has a port
//-------------------------------------------------
ProxyEntry aTypeIndepProxy = FindProxyEntry( aProxyList, rtl::OUString());
ProxyEntry aHttpProxy = FindProxyEntry( aProxyList, rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "http" ) ) );
ProxyEntry aFtpProxy = FindProxyEntry( aProxyList, rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "ftp" ) ) );
if( aTypeIndepProxy.Server.getLength() )
{
aHttpProxy.Server = aTypeIndepProxy.Server;
aFtpProxy.Server = aTypeIndepProxy.Server;
if( aTypeIndepProxy.Port.getLength() )
{
aHttpProxy.Port = aTypeIndepProxy.Port;
aFtpProxy.Port = aTypeIndepProxy.Port;
}
else
{
aFtpProxy.Port = aHttpProxy.Port;
}
}
// http proxy name
if( aHttpProxy.Server.getLength() > 0 )
{
aPropInfoList[nProperties].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetHTTPProxyName") );
aPropInfoList[nProperties].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "string" ) );
aPropInfoList[nProperties].Protected = sal_False;
aPropInfoList[nProperties++].Value = uno::makeAny( aHttpProxy.Server );
}
// http proxy port
if( aHttpProxy.Port.getLength() > 0 )
{
aPropInfoList[nProperties].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetHTTPProxyPort") );
aPropInfoList[nProperties].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "int" ) );
aPropInfoList[nProperties].Protected = sal_False;
aPropInfoList[nProperties++].Value = uno::makeAny( aHttpProxy.Port.toInt32() );
}
// ftp proxy name
if( aFtpProxy.Server.getLength() > 0 )
{
aPropInfoList[nProperties].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetFTPProxyName") );
aPropInfoList[nProperties].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "string" ) );
aPropInfoList[nProperties].Protected = sal_False;
aPropInfoList[nProperties++].Value = uno::makeAny( aFtpProxy.Server );
}
// ftp proxy port
if( aFtpProxy.Port.getLength() > 0 )
{
aPropInfoList[nProperties].Name = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet/Settings/ooInetFTPProxyPort") );
aPropInfoList[nProperties].Type = rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM( "int" ) );
aPropInfoList[nProperties].Protected = sal_False;
aPropInfoList[nProperties++].Value = uno::makeAny( aFtpProxy.Port.toInt32() );
}
}
// resize the property info list appropriately
aPropInfoList.realloc(nProperties);
m_xLayerContentDescriber->describeLayer(xHandler, aPropInfoList);
}
else
{
OSL_TRACE("Could not create com.sun.star.configuration.backend.LayerContentDescriber Service");
}
}
//------------------------------------------------------------------------------
rtl::OUString SAL_CALL WinInetLayer::getTimestamp(void)
throw (uno::RuntimeException)
{
rtl::OUString aTimestamp;
if (m_lpfnInternetQueryOption)
{
LPINTERNET_PROXY_INFO lpi = NULL;
// query for the neccessary space
DWORD dwLength = 0;
BOOL bRet = m_lpfnInternetQueryOption(
NULL,
INTERNET_OPTION_PROXY,
(LPVOID)lpi,
&dwLength );
// allocate sufficient space on the heap
// insufficient space on the heap results
// in a stack overflow exception, we assume
// this never happens, because of the relatively
// small amount of memory we need
// _alloca is nice because it is fast and we don't
// have to free the allocated memory, it will be
// automatically done
lpi = reinterpret_cast< LPINTERNET_PROXY_INFO >(
_alloca( dwLength ) );
bRet = m_lpfnInternetQueryOption(
NULL,
INTERNET_OPTION_PROXY,
(LPVOID)lpi,
&dwLength );
aTimestamp = rtl::OUString::createFromAscii( lpi->lpszProxy );
aTimestamp += rtl::OUString::createFromAscii( lpi->lpszProxyBypass );
}
return aTimestamp;
}
//------------------------------------------------------------------------------
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