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Filename :
auth.cpython-310.pyc
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o ���`E � @ s� d dl mZ d dlmZ d dlZd dlmZ defdd�Zdefdd �Z d Z d Z G d d � d e�Z G dd� de �ZG dd� de�ZG dd� d�ZeZdS )� )�hexlify)�EnumN)�Optional�returnc C s t tt�� ��d��} d| S )z�Prepare an AUTH command line with the current effective user ID. This is the preferred authentication method for typical D-Bus connections over a Unix domain socket. �asciis AUTH EXTERNAL %b )r �str�os�geteuid�encode)�hex_uid� r �./usr/lib/python3/dist-packages/jeepney/auth.py�make_auth_external s r c C s& ddl m} td| �d��}d| S )z�Format an AUTH command line for the ANONYMOUS mechanism Jeepney's higher-level wrappers don't currently use this mechanism, but third-party code may choose to. See <https://tools.ietf.org/html/rfc4505> for details. � )� __version__z Jeepney %sr s AUTH ANONYMOUS %s )� r r r )r �tracer r r �make_auth_anonymous s r s BEGIN s NEGOTIATE_UNIX_FD c @ s e Zd ZdZdZdZdZdZdS )� ClientStater � � � � N)�__name__� __module__� __qualname__�WaitingForData� WaitingForOk�WaitingForReject�WaitingForAgreeUnixFD�Successr r r r r s r c @ s" e Zd ZdZddd�Zdd� ZdS ) �AuthenticationErrorz%Raised when DBus authentication fails�Authentication failedc C s || _ || _d S �N��msg�data)�selfr& r% r r r �__init__( s z AuthenticationError.__init__c C s | j � d| j��S )Nz . Bus sent: r$ �r' r r r �__str__, s zAuthenticationError.__str__N)r" )r r r �__doc__r( r* r r r r r! & s r! c s e Zd ZdZ� fdd�Z� ZS )�FDNegotiationErrorzBRaised when file descriptor support is requested but not availablec s t � j|dd� d S )Nz%File descriptor support not available)r% )�superr( )r' r& �� __class__r r r( 1 s zFDNegotiationError.__init__)r r r r+ r( � __classcell__r r r. r r, / s r, c @ sV e Zd ZdZddd�Zedd� �Zdd� Zd ee fd d �Z d d � Z de fdd�Z dS )� Authenticatorz�Process data for the SASL authentication conversation If enable_fds is True, this includes negotiating support for passing file descriptors. Fc C s, || _ t� | _dt� | _tj| _d | _d S )N� ) � enable_fds� bytearray�bufferr �_to_sendr r �state�error)r' r3 r r r r( ; s zAuthenticator.__init__c C s | j tju S r# )r7 r r r) r r r � authenticatedB s zAuthenticator.authenticatedc C s t | jd �S r# )�iter� data_to_sendr) r r r �__iter__F s zAuthenticator.__iter__r c C s" | j s| jrdS d| j| _}|S )a� Get a line of data to send to the server The data returned should be sent before waiting to receive data. Returns empty bytes if waiting for more data from the server, and None if authentication is finished (success or error). Iterating over the Authenticator object will also yield these lines; :meth:`feed` should be called with received data inside the loop. N� )r9 r8 r6 )r' �to_sendr r r r; I s zAuthenticator.data_to_sendc C sn | j tju r|�d�r| jrttjfS ttjfS n| j tju r0|�d�r)ttjfS || _ t |��|| _ t |��)Ns OK s AGREE_UNIX_FD) r7 r r � startswithr3 �NEGOTIATE_UNIX_FDr �BEGINr r8 r, r! )r' �liner r r � process_lineX s � zAuthenticator.process_liner& c C sr | j |7 _ d| j v r*| j �dd�\}| _ | j r t| j d��| �|�\| _| _dS t| j �dkr7t| j d��dS )z�Process received data Raises AuthenticationError if the incoming data is not as expected for successful authentication. The connection should then be abandoned. s r zUnexpected data receivedi z*Too much data received without line endingN)r5 �splitr! rC r6 r7 �len)r' r& rB r r r �feedn s ��zAuthenticator.feedN)F) r r r r+ r( �propertyr9 r< r �bytesr; rC rF r r r r r1 5 s r1 )�binasciir �enumr r �typingr rH r r rA r@ r � ValueErrorr! r, r1 � SASLParserr r r r �<module> s S