//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
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// Source License; you may not use this file except in compliance with the
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#ifndef Pegasus_SecureLocalAuthenticator_h
#define Pegasus_SecureLocalAuthenticator_h

#include "LocalAuthenticator.h"

#include <Pegasus/Security/Authentication/Linkage.h>


PEGASUS_NAMESPACE_BEGIN

/** This class implements file based secure local authentication mechanism.
    It extends the LocalAuthenticator and provides implementation.
*/
class PEGASUS_SECURITY_LINKAGE SecureLocalAuthenticator
    : public LocalAuthenticator
{
public:

    /** constructor. */
    SecureLocalAuthenticator();

    /** destructor. */
    ~SecureLocalAuthenticator();

    /** Verify the authentication of the requesting user.
        @param userName String containing the user name
        @param secretReceived String containing the authentication secret
        sent by the client.
        @param secretKept String containing the authentication secret that
        was sent to client as part of the challenge.
        @return true on successful authentication, false otherwise
    */
    Boolean authenticate(
        const String& userName,
        const String& secretReceived,
        const String& secretKept);

    /**
        Verify whether the user is valid.
        @param userName String containing the user name
        @return true on successful validation, false otherwise
    */
    Boolean validateUser(const String& userName);

    /** Construct and return the Peagaus Local authentication challenge header
        @param authType String containing the authentication type
        @param userName String containing the user name
        @param filePath String to store the authentication file path
        @param secret   String to store the authentication secret
        @return A string containing the authentication challenge header.
    */
    String getAuthResponseHeader(
        const String& authType,
        const String& userName,
        String& filePath,
        String& secret);
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_SecureLocalAuthenticator_h */
