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BUG#:9639
TITLE: Many PAM errors are not reported correctly

DESCRIPTION:

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#ifndef Pegasus_Authenticator_h
#define Pegasus_Authenticator_h

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

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

PEGASUS_NAMESPACE_BEGIN

/** This is an abstract class that the authentication handlers will extend and
    provide the implementation.
*/
class PEGASUS_SECURITY_LINKAGE Authenticator
{
public:

    /** Constructors  */
    Authenticator() { };

    /** Destructor  */
    virtual ~Authenticator() { };

    /** Verify the authentication of the user passed in the HTTP authorization
        header.
        @param authHeader String containing the Authorization header
        @param authInfo Reference to AuthenticationInfo object
        @return AuthenticationStatus holding http status code and error detail
    */
    virtual AuthenticationStatus authenticate(
        const String& authHeader,
        AuthenticationInfo* authInfo) = 0;

    /** Construct and return the Basic authentication challenge header
        @param authType String containing the authentication type
        @param userName String containing the user name
        @param authInfo Reference to AuthenticationInfo object
        @return A string containing the authentication challenge header.
    */
    virtual String getAuthResponseHeader(
        const String& authType = String::EMPTY,
        const String& userName = String::EMPTY,
        AuthenticationInfo* authInfo = 0) = 0;

    /**
        Verify whether the user is valid.
        @param userName String containing the user name
        @param authInfo reference to AuthenticationInfo object that holds the
        authentication information for the given connection.
        @return AuthenticationStatus holding http status code and error detail
    */
    virtual AuthenticationStatus validateUser(
        const String& userName,
        AuthenticationInfo* authInfo) = 0;
};

PEGASUS_NAMESPACE_END

#endif   /* Pegasus_Authenticator_h*/