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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <tools/urlobj.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <com/sun/star/util/URL.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
namespace {
class URLTransformer : public ::cppu::WeakImplHelper< css::util::XURLTransformer, css::lang::XServiceInfo>
{
public:
URLTransformer() {}
virtual OUString SAL_CALL getImplementationName() override
{
return "com.sun.star.comp.framework.URLTransformer";
}
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
{
return cppu::supportsService(this, ServiceName);
}
virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
{
return {"com.sun.star.util.URLTransformer"};
}
virtual sal_Bool SAL_CALL parseStrict( css::util::URL& aURL ) override;
virtual sal_Bool SAL_CALL parseSmart( css::util::URL& aURL, const OUString& sSmartProtocol ) override;
virtual sal_Bool SAL_CALL assemble( css::util::URL& aURL ) override;
virtual OUString SAL_CALL getPresentation( const css::util::URL& aURL, sal_Bool bWithPassword ) override;
};
void lcl_ParserHelper(INetURLObject& _rParser, css::util::URL& _rURL,bool _bUseIntern)
{
// Get all information about this URL.
_rURL.Protocol = INetURLObject::GetScheme( _rParser.GetProtocol() );
_rURL.User = _rParser.GetUser ( INetURLObject::DecodeMechanism::WithCharset );
_rURL.Password = _rParser.GetPass ( INetURLObject::DecodeMechanism::WithCharset );
_rURL.Server = _rParser.GetHost ( INetURLObject::DecodeMechanism::WithCharset );
_rURL.Port = static_cast<sal_Int16>(_rParser.GetPort());
sal_Int32 nCount = _rParser.getSegmentCount( false );
if ( nCount > 0 )
{
// Don't add last segment as it is the name!
--nCount;
OUStringBuffer aPath(128);
for ( sal_Int32 nIndex = 0; nIndex < nCount; nIndex++ )
{
aPath.append( '/');
aPath.append( _rParser.getName( nIndex, false, INetURLObject::DecodeMechanism::NONE ));
}
if ( nCount > 0 )
aPath.append( '/' ); // final slash!
_rURL.Path = aPath.makeStringAndClear();
_rURL.Name = _rParser.getName( INetURLObject::LAST_SEGMENT, false, INetURLObject::DecodeMechanism::NONE );
}
else
{
_rURL.Path = _rParser.GetURLPath( INetURLObject::DecodeMechanism::NONE );
_rURL.Name = _rParser.GetLastName();
}
_rURL.Arguments = _rParser.GetParam();
_rURL.Mark = _rParser.GetMark( INetURLObject::DecodeMechanism::WithCharset );
// INetURLObject supports only an intelligent method of parsing URL's. So write
// back Complete to have a valid encoded URL in all cases!
_rURL.Complete = _rParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
if ( _bUseIntern )
_rURL.Complete = _rURL.Complete.intern();
_rParser.SetMark( u"" );
_rParser.SetParam( u"" );
_rURL.Main = _rParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
}
// XURLTransformer
sal_Bool SAL_CALL URLTransformer::parseStrict( css::util::URL& aURL )
{
// Safe impossible cases.
if ( aURL.Complete.isEmpty() )
{
return false;
}
// Try to extract the protocol
sal_Int32 nURLIndex = aURL.Complete.indexOf( ':' );
if ( nURLIndex <= 1 )
return false;
std::u16string_view aProtocol = aURL.Complete.subView( 0, nURLIndex+1 );
// If INetURLObject knows this protocol let it parse
if ( INetURLObject::CompareProtocolScheme( aProtocol ) != INetProtocol::NotValid )
{
// Initialize parser with given URL.
INetURLObject aParser( aURL.Complete );
// Get all information about this URL.
INetProtocol eINetProt = aParser.GetProtocol();
if ( eINetProt == INetProtocol::NotValid )
{
return false;
}
else if ( !aParser.HasError() )
{
lcl_ParserHelper(aParser,aURL,false);
// Return "URL is parsed".
return true;
}
}
else
{
// Minimal support for unknown protocols. This is mandatory to support the "Protocol Handlers" implemented
// in framework!
aURL.Protocol = aProtocol;
aURL.Main = aURL.Complete;
aURL.Path = aURL.Complete.copy( nURLIndex+1 );
// Return "URL is parsed".
return true;
}
return false;
}
// XURLTransformer
sal_Bool SAL_CALL URLTransformer::parseSmart( css::util::URL& aURL,
const OUString& sSmartProtocol )
{
// Safe impossible cases.
if ( aURL.Complete.isEmpty() )
{
return false;
}
// Initialize parser with given URL.
INetURLObject aParser;
aParser.SetSmartProtocol( INetURLObject::CompareProtocolScheme( sSmartProtocol ));
bool bOk = aParser.SetSmartURL( aURL.Complete );
if ( bOk )
{
lcl_ParserHelper(aParser,aURL,true);
// Return "URL is parsed".
return true;
}
else
{
// Minimal support for unknown protocols. This is mandatory to support the "Protocol Handlers" implemented
// in framework!
if ( INetURLObject::CompareProtocolScheme( sSmartProtocol ) == INetProtocol::NotValid )
{
// Try to extract the protocol
sal_Int32 nIndex = aURL.Complete.indexOf( ':' );
if ( nIndex > 1 )
{
OUString aProtocol = aURL.Complete.copy( 0, nIndex+1 );
// If INetURLObject knows this protocol something is wrong as detected before =>
// give up and return false!
if ( INetURLObject::CompareProtocolScheme( aProtocol ) != INetProtocol::NotValid )
return false;
else
aURL.Protocol = aProtocol;
}
else
return false;
aURL.Main = aURL.Complete;
aURL.Path = aURL.Complete.copy( nIndex+1 );
return true;
}
else
return false;
}
}
// XURLTransformer
sal_Bool SAL_CALL URLTransformer::assemble( css::util::URL& aURL )
{
// Initialize parser.
INetURLObject aParser;
if ( INetURLObject::CompareProtocolScheme( aURL.Protocol ) != INetProtocol::NotValid )
{
OUStringBuffer aCompletePath( aURL.Path );
// Concat the name if it is provided, just support a final slash
if ( !aURL.Name.isEmpty() )
{
sal_Int32 nIndex = aURL.Path.lastIndexOf( '/' );
if ( nIndex == ( aURL.Path.getLength() -1 ))
aCompletePath.append( aURL.Name );
else
{
aCompletePath.append( '/' );
aCompletePath.append( aURL.Name );
}
}
bool bResult = aParser.ConcatData(
INetURLObject::CompareProtocolScheme( aURL.Protocol ) ,
aURL.User ,
aURL.Password ,
aURL.Server ,
aURL.Port ,
aCompletePath.makeStringAndClear() );
if ( !bResult )
return false;
// First parse URL WITHOUT ...
aURL.Main = aParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
// ...and then WITH parameter and mark.
aParser.SetParam( aURL.Arguments);
aParser.SetMark ( aURL.Mark, INetURLObject::EncodeMechanism::All );
aURL.Complete = aParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
// Return "URL is assembled".
return true;
}
else if ( !aURL.Protocol.isEmpty() )
{
// Minimal support for unknown protocols
aURL.Complete = aURL.Protocol + aURL.Path;
aURL.Main = aURL.Complete;
return true;
}
return false;
}
// XURLTransformer
OUString SAL_CALL URLTransformer::getPresentation( const css::util::URL& aURL,
sal_Bool bWithPassword )
{
// Safe impossible cases.
if ( aURL.Complete.isEmpty() )
{
return OUString();
}
// Check given URL
css::util::URL aTestURL = aURL;
bool bParseResult = parseSmart( aTestURL, aTestURL.Protocol );
if ( bParseResult )
{
if ( !bWithPassword && !aTestURL.Password.isEmpty() )
{
// Exchange password text with other placeholder string
aTestURL.Password = "<******>";
assemble( aTestURL );
}
// Convert internal URLs to "praesentation"-URLs!
OUString sPraesentationURL;
INetURLObject::translateToExternal( aTestURL.Complete, sPraesentationURL, INetURLObject::DecodeMechanism::Unambiguous );
return sPraesentationURL;
}
else
return OUString();
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_framework_URLTransformer_get_implementation(
css::uno::XComponentContext *,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new URLTransformer());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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