--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/pop3andsmtpmtm/popservermtm/inc/cpopsaslauthhelper.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,164 @@
+// Copyright (c) 2008-2009 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:
+// POPAUTHHELPER.H
+// 
+//
+
+#ifndef __CPOPSASLAUTHHELPER_H__
+#define __CPOPSASLAUTHHELPER_H__
+
+#include <imcvcodc.h>
+#include <pop3set.h>
+#include <hash.h>	
+#include <imcvcodc.h>
+#include <timrfc822datefield.h> // needed for KImMailMaxBufferSize 
+
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS  
+#include "timrfc822datefield.h"				
+#endif
+
+/**
+CPopAuthMechanismHelper is the base class for POP3 AUTH command.
+Using this class SASL (Simple Authentication and Security Layer) mechanisms 
+can be exteneded.
+Right now CRAM-MD5, PLAIN and LOGIN authentication mechanisms are supported.
+
+@internalComponent
+@prototype
+*/
+NONSHARABLE_CLASS (CPopAuthMechanismHelper) : public CBase
+	{
+public:
+	enum TPopAuthProfileFlag
+		{
+		ENoProfile=0x00,
+		EPlain=0x01,
+		ELogin=0x02,
+		ECramMD5=0x04,
+		EUndefined=0x08, // must be last flag
+		};
+
+protected:
+	CPopAuthMechanismHelper(const CImPop3Settings& aSettings);
+public:
+	virtual void GetNextClientMessageL(TDes8& aNextMessage)=0;
+	virtual void SetLastServerMessageL(const TDesC8& aLastMessage, TBool aIsMultiLineResponse)=0;
+protected:
+	const CImPop3Settings& iSettings;
+	TPtrC8 iLastServerMessage;
+	TBuf8<KImMailMaxBufferSize> iNextClientMessage;
+
+#if(defined SYMBIAN_SERVERMTM_UNIT_TESTCODE)
+	friend class CTestPopSaslAuthHelper;
+#endif	
+	};
+
+
+/**
+CPopAuthCramMd5MechanismHelper class is extended to support the AUTH command as 
+specified in RFC1734, to indicate CRAM-MD5 authentication mechanism to the server.
+
+@internalComponent
+@prototype
+*/
+NONSHARABLE_CLASS( CPopAuthCramMd5MechanismHelper ) : public CPopAuthMechanismHelper
+	{
+public:
+	static CPopAuthCramMd5MechanismHelper* NewL(const CImPop3Settings& aSettings);
+	~CPopAuthCramMd5MechanismHelper();
+public:
+	void GetNextClientMessageL(TDes8& aNextMessage);
+	void SetLastServerMessageL(const TDesC8& aLastMessage, TBool aIsMultiLineResponse);
+private:
+	CPopAuthCramMd5MechanismHelper(const CImPop3Settings& aSettings);
+	void ConstructL();
+private:
+	TPtr8 FormSharedSecret(TPtr8 aPassword);
+private:
+	TBool iInProgress;
+	TImCodecB64 iEncoder;
+	CMD5* iMd5Hash;
+
+#if(defined SYMBIAN_SERVERMTM_UNIT_TESTCODE)
+	friend class CTestPopSaslAuthHelper;
+#endif	
+	};
+
+
+/**
+CPopAuthPlainMechanismHelper class is extended to support the AUTH command as 
+specified in RFC1734, to indicate PLAIN authentication mechanism to the server.
+
+@internalComponent
+@prototype
+*/
+NONSHARABLE_CLASS( CPopAuthPlainMechanismHelper ): public CPopAuthMechanismHelper
+	{
+public:
+	static CPopAuthPlainMechanismHelper* NewL(const CImPop3Settings& aSettings);
+	CPopAuthPlainMechanismHelper(const CImPop3Settings& aSettings);
+public:
+	void GetNextClientMessageL(TDes8& aNextMessage);
+	void SetLastServerMessageL(const TDesC8& aLastMessage, TBool aIsMultiLineResponse);
+private:
+	TBool iInProgress;
+	TImCodecB64 iEncoder;
+
+#if(defined SYMBIAN_SERVERMTM_UNIT_TESTCODE)
+	friend class CTestPopSaslAuthHelper;
+#endif	
+
+	};
+
+
+/**
+CPopAuthLoginMechanismHelper class is extended to support the AUTH command as 
+specified in RFC1734, to indicate LOGIN authentication mechanism to the server.
+
+@internalComponent
+@prototype
+*/
+//class CPopAuthLoginMechanismHelper : public CPopAuthMechanismHelper
+NONSHARABLE_CLASS( CPopAuthLoginMechanismHelper ): public CPopAuthMechanismHelper
+	{
+public:
+	static CPopAuthLoginMechanismHelper* NewL(const CImPop3Settings& aSettings);
+	~CPopAuthLoginMechanismHelper();
+public:
+	void GetNextClientMessageL(TDes8& aNextMessage);
+	void SetLastServerMessageL(const TDesC8& aLastMessage, TBool aIsMultiLineResponse);
+private:
+	CPopAuthLoginMechanismHelper(const CImPop3Settings& aSettings);
+	void ConstructL();
+private:
+	enum TLoginState
+		{
+		ESendingAuth=0,
+		ESendingLoginName,
+		ESendingPassword,
+		};
+	TLoginState iState;
+	TImCodecB64 iEncoder;
+	HBufC8* iBase64LoginName;
+	HBufC8* iBase64Password;
+
+#if(defined SYMBIAN_SERVERMTM_UNIT_TESTCODE)
+	friend class CTestPopSaslAuthHelper;
+#endif	
+
+	};
+
+#endif // __CPOPSASLAUTHHELPER_H
+
+