#NEWLINE# def __call__( self , environ , start_response ) : #NEWLINE# #INDENT# '\n        Handle the request and make sure that CHAP authentication stages for the\n        special path /_auth\n\n        Also check for any existing outstanding authentication by reading the\n        Authorization header for a token matching "chap:<token>".\n        This token is validated using the auth_server associated with this\n        middleware.\n\n        environ - Request environment.\n        start_response - WSGI invokable start_response.\n        ' #NEWLINE# if self . disabled : #NEWLINE# #INDENT# return self . app ( environ , start_response ) #NEWLINE# #UNINDENT# return self . handle_handshake ( environ , start_response )