def authenticate(self):
        """Attempts to authenticate the user if a token was provided."""
        if request.headers.get('Authorization', '').startswith('Negotiate '):
            in_token = base64.b64decode(request.headers['Authorization'][10:])

            try:
                creds = current_app.extensions['gssapi']['creds']
            except KeyError:
                raise RuntimeError('flask-gssapi not configured for this app')

            ctx = gssapi.SecurityContext(creds=creds, usage='accept')

            out_token = ctx.step(in_token)

            if ctx.complete:
                username = ctx._inquire(initiator_name=True).initiator_name
                return str(username), out_token

        return None, None
def authenticate ( self ) : if request . headers . get ( 'Authorization' , '' ) . startswith ( 'Negotiate ' ) : in_token = base64 . b64decode ( request . headers [ 'Authorization' ] [ 10 : ] ) try : creds = current_app . extensions [ 'gssapi' ] [ 'creds' ] except KeyError : raise RuntimeError ( 'flask-gssapi not configured for this app' ) ctx = gssapi . SecurityContext ( creds = creds , usage = 'accept' ) out_token = ctx . step ( in_token ) if ctx . complete : username = ctx . _inquire ( initiator_name = True ) . initiator_name return str ( username ) , out_token return None , None
Attempts to authenticate the user if a token was provided.