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BUG#:5821
TITLE: Check enableRemotePrivilegedUserAccess before/at authentication

DESCRIPTION:

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#ifndef Pegasus_AuthenticationManager_h
#define Pegasus_AuthenticationManager_h

#include <Pegasus/Common/Config.h>

#include "Authenticator.h"

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

#ifdef PEGASUS_KERBEROS_AUTHENTICATION
#include <Pegasus/Common/AuthenticationInfo.h>
#endif

PEGASUS_NAMESPACE_BEGIN

/** This class implements the HTTP authentication and Pegasus Local 
    authentication mecahnism. It provides methods to perform authentication
    and to generate authentication challenge headers.
*/

class PEGASUS_SECURITY_LINKAGE AuthenticationManager
{
public:

    /**Constructor */
    AuthenticationManager();

    /**Destructor */
    ~AuthenticationManager();

    /** Authenticates the requests from HTTP connections.
        @param authHeader String containing the Authorization header
        @param authInfo Reference to AuthenticationInfo object that holds the
        authentication information for the given connection.
        @return true on successful authentication, false otherwise
    */
    Boolean performHttpAuthentication(
        const String& authHeader,
        AuthenticationInfo* authInfo);

    /** Authenticates the requests from Local connections.
        @param authHeader String containing the Authorization header
        @param authInfo Reference to AuthenticationInfo object that holds the
        authentication information for the given connection.
        @return true on successful authentication, false otherwise
    */
    Boolean performPegasusAuthentication(
        const String& authHeader,
        AuthenticationInfo* authInfo);

    /** Validates whether the user is a valid user for requests
        from HTTP connections.
        @param  userName  name of the user
        @return true on successful validation, false otherwise
    */
    Boolean validateUserForHttpAuth (const String& userName);

    /** Constructs the Pegasus Local authentication challenge header.
        @param authHeader String containing the Authorization header
        @param authInfo reference to AuthenticationInfo object that holds the
        authentication information for the given connection.
        @return String containing the authentication challenge
    */
    String getPegasusAuthResponseHeader(
        const String& authHeader,
        AuthenticationInfo* authInfo);

    /** Constructs the HTTP authentication challenge header.
        @return String containing the authentication challenge
    */
#ifdef PEGASUS_KERBEROS_AUTHENTICATION
    String AuthenticationManager::getHttpAuthResponseHeader(
	AuthenticationInfo* authInfo = 0);
#else
    String getHttpAuthResponseHeader();
#endif

    static Boolean isRemotePrivilegedUserAccessAllowed(
        String & userName);

private:

    Boolean _parseLocalAuthHeader(
        const String& authHeader, 
        String& authType, 
        String& userName, 
        String& cookie);

    Boolean _parseHttpAuthHeader(
        const String& authHeader, 
        String& authType, 
        String& cookie);

    Authenticator* _getLocalAuthHandler();

    Authenticator* _getHttpAuthHandler();

    Authenticator* _localAuthHandler;
    Authenticator* _httpAuthHandler;
    String         _httpAuthType;

};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_AuthenticationManager_h */