// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
#ifndef __CHTTPCLIENTFILTER_H__
#define __CHTTPCLIENTFILTER_H__
#include <http/mhttpfilter.h>
#include <http/rhttpsession.h>
#include <stringpool.h>
/** Acts as a filter above the HTTP Protocol Handler
This filter alters request and responses where necessary to ensure complaince with
various sections of RFC 2616
*/
class CHttpClientFilter : public CBase,
public MHTTPFilter
{
public:
static CHttpClientFilter* NewL(RHTTPSession aSession);
virtual ~CHttpClientFilter();
private: // methods from MHTTPFilterBase
virtual void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
virtual void MHFSessionRunL(const THTTPSessionEvent& aEvent);
virtual TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
virtual TInt MHFSessionRunError(TInt aError, const THTTPSessionEvent& aEvent);
private: // methods from MHTTPFilter
virtual void MHFUnload(RHTTPSession aSession, THTTPFilterHandle aHandle);
virtual void MHFLoad(RHTTPSession aSession, THTTPFilterHandle aHandle);
private:
CHttpClientFilter();
void ConstructL(RHTTPSession aSession);
void AlterRequestHeadersL(RHTTPTransaction aTransaction);
void AlterResponseHeadersL(RHTTPTransaction aTransaction);
void EnsureContentTypePresentL(RHTTPTransaction aTransaction);
void EnsurePathExistsL(RHTTPTransaction aTransaction);
void EnsureContentLengthL(RHTTPTransaction aTransaction);
void EnsureNoEndToEndHeadersInConnectionHeaderL(RHTTPTransaction aTransaction);
TBool IsHopByHopHeader(RStringF aHeaderName);
void AddExpect100ContinueL(RHTTPTransaction aTransaction);
void AddSessionHeadersL(RHTTPHeaders aTransactionHeaders, RHTTPHeaders aSessionHeaders);
private:
const TStringTable& iStringTable;
TInt iLoadCount;
RStringPool iStringPool;
RHTTPSession iSession;
};
// Inlined as it's only called in 1 place.
inline CHttpClientFilter* CHttpClientFilter::NewL(RHTTPSession aSession)
{
CHttpClientFilter* self = new (ELeave) CHttpClientFilter;
CleanupStack::PushL(self);
self->ConstructL(aSession);
CleanupStack::Pop(self);
return self;
}
#endif // __CHTTPCLIENTFILTER_H__