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B a�N� � @ sl d Z ddlmZ ddlT G dd� de�ZG dd� de�ZeZdgZdd � Z d e krhddlZejej d� dS ) a� Basic HTTP/1.0 Authentication This module implements ``Basic`` authentication as described in HTTP/1.0 specification [1]_ . Do not use this module unless you are using SSL or need to work with very out-dated clients, instead use ``digest`` authentication. >>> from paste.wsgilib import dump_environ >>> from paste.httpserver import serve >>> # from paste.auth.basic import AuthBasicHandler >>> realm = 'Test Realm' >>> def authfunc(environ, username, password): ... return username == password >>> serve(AuthBasicHandler(dump_environ, realm, authfunc)) serving on... .. [1] http://www.w3.org/Protocols/HTTP/1.0/draft-ietf-http-spec.html#BasicAA � )�HTTPUnauthorized)�*c @ s0 e Zd ZdZdZdd� Zdd� Zdd� ZeZd S ) �AuthBasicAuthenticatorz5 implements ``Basic`` authentication details �basicc C s || _ || _d S )N)�realm�authfunc)�selfr r � r �A/opt/alt/python37/lib/python3.7/site-packages/paste/auth/basic.py�__init__ s zAuthBasicAuthenticator.__init__c C s t �d| j �}t|d�S )NzBasic realm="%s")�headers)ZWWW_AUTHENTICATEZtuplesr r )r �headr r r �build_authentication$ s z+AuthBasicAuthenticator.build_authenticationc C sp t |�}|s| �� S |�dd�\}}d|�� kr8| �� S |�� �d�}|�dd�\}}| �|||�rh|S | �� S )N� � r �base64�:)Z AUTHORIZATIONr �split�lower�strip�decoder )r �environZ authorizationZauthmethZauth�username�passwordr r r �authenticate( s z#AuthBasicAuthenticator.authenticateN) �__name__� __module__�__qualname__�__doc__�typer r r �__call__r r r r r s r c @ s e Zd ZdZdd� Zdd� ZdS )�AuthBasicHandlera/ HTTP/1.0 ``Basic`` authentication middleware Parameters: ``application`` The application object is called only upon successful authentication, and can assume ``environ['REMOTE_USER']`` is set. If the ``REMOTE_USER`` is already set, this middleware is simply pass-through. ``realm`` This is a identifier for the authority that is requesting authorization. It is shown to the user and should be unique within the domain it is being used. ``authfunc`` This is a mandatory user-defined function which takes a ``environ``, ``username`` and ``password`` for its first three arguments. It should return ``True`` if the user is authenticated. c C s || _ t||�| _d S )N)�applicationr r )r r"