//%2003////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002  BMC Software, Hewlett-Packard Development
// Company, L. P., IBM Corp., The Open Group, Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.;
// IBM Corp.; EMC Corporation, The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Bapu Patil, Hewlett-Packard Company (bapu_patil@hp.com)
//
// Modified By:
//                Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_LocalAuthFile_h
#define Pegasus_LocalAuthFile_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>

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

PEGASUS_NAMESPACE_BEGIN


/** This class provides the required functions to create, write and delete to a 
    file on the file system.
*/

class PEGASUS_SECURITY_LINKAGE LocalAuthFile
{
public:

    /** Constructor. */
    LocalAuthFile(const String& userName);

      
    /** Destructor. */
    ~LocalAuthFile();

    /** Creates a file and writes random token in to it.
        @return a string containing the full path name of the file created if 
        the file creation was successfull, null otherwise. 
    */
    String create();
    
    /** Removes the file created.
        @return   true on successful removal of the file, false otherwise.
    */
    Boolean remove();

    /** Get the string that was created as a challenge string
    */
    String getChallengeString();

private:

    Boolean _changeFileOwner(const String& fileName);

    String  _generateRandomTokenString();

    String  _userName;

    String  _filePathName;

    String  _authFilePath;

    String  _challenge;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_LocalAuthFile_h */
