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a k�h� � @ s� d Z ddlZddlmZmZmZ ddlmZmZ ddl m Z ddl m Z G dd� de�Z G d d � d e�ZG d d � d e�ZG d d� de�ZG dd� de�ZdZdd� Zdd� Zdd� ZG dd� d�ZdS )z� Support for resolving command-line strings that represent different checkers available to cred. Examples: - passwd:/etc/passwd - memory:admin:asdf:user:lkj - unix � N)�Optional�Sequence�Type)� Attribute� Interface)� getPlugins)�usagec @ s8 e Zd ZdZed�Zed�Zed�Zed�Zdd� Z dS ) �ICheckerFactoryz� A factory for objects which provide L{twisted.cred.checkers.ICredentialsChecker}. It's implemented by twistd plugins creating checkers. z0A tag that identifies the authentication method.zmA detailed (potentially multi-line) description of precisely what functionality this CheckerFactory provides.z=A short (one-line) description of the argument string format.z@A list of credentials interfaces that this factory will support.c C s dS )z} Return an L{twisted.cred.checkers.ICredentialsChecker} provider using the supplied argument string. N� )� argstringr r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/cred/strcred.py�generateChecker2 s z ICheckerFactory.generateCheckerN) �__name__� __module__� __qualname__�__doc__r �authType�authHelp�argStringFormat�credentialInterfacesr r r r r r s ���r c @ s e Zd ZdZdS )�StrcredExceptionz+ Base exception class for strcred. N�r r r r r r r r r 9 s r c @ s e Zd ZdZdS )�InvalidAuthTypezv Raised when a user provides an invalid identifier for the authentication plugin (known as the authType). Nr r r r r r ? s r c @ s e Zd ZdZdS )�InvalidAuthArgumentStringzl Raised by an authentication plugin when the argument string provided is formatted incorrectly. Nr r r r r r F s r c @ s e Zd ZdZdS )�UnsupportedInterfacesz� Raised when an application is given a checker to use that does not provide any of the application's supported credentials interfaces. Nr r r r r r M s r z<WARNING: This authType is not supported by this application.c C s t t�S )z= Find all objects that implement L{ICheckerFactory}. )r r r r r r �findCheckerFactoriesY s r c C s* t � D ]}|j| kr| S qt| ��dS )zJ Find the first checker factory that supports the given authType. N)r r r )r �factoryr r r �findCheckerFactory` s r c C s0 d| v r| � dd�\}}n| }d}t|��|�S )z� Returns an L{twisted.cred.checkers.ICredentialsChecker} based on the contents of a descriptive string. Similar to L{twisted.application.strports}. �:� � )�splitr r )� descriptionr r r r r � makeCheckerj s r# c @ sh e Zd ZU dZdZeeee e d< e j Z dd� Z dd� Zdd � Zd d � Zd d � Zdd� Zdd� ZdS )�AuthOptionMixinak Defines helper methods that can be added on to any L{usage.Options} subclass that needs authentication. This mixin implements three new options methods: The opt_auth method (--auth) will write two new values to the 'self' dictionary: C{credInterfaces} (a dict of lists) and C{credCheckers} (a list). The opt_help_auth method (--help-auth) will search for all available checker plugins and list them for the user; it will exit when finished. The opt_help_auth_type method (--help-auth-type) will display detailed help for a particular checker plugin. @cvar supportedInterfaces: An iterable object that returns credential interfaces which this application is able to support. @cvar authOutput: A writeable object to which this options class will send all help-related output. Default: L{sys.stdout} N�supportedInterfacesc C s | j du p|| j v S )zR Returns whether a particular credentials interface is supported. N)r% )�self� interfacer r r �supportsInterface� s z!AuthOptionMixin.supportsInterfacec C s |j D ]}| �|�r dS qdS )z� Returns whether a checker factory will provide at least one of the credentials interfaces that we care about. TF)r r( �r& r r' r r r �supportsCheckerFactory� s z&AuthOptionMixin.supportsCheckerFactoryc C s� g }| j du r|j}n |jD ]}| �|�r |�|� q |sDt|j��d| vrTi | d< d| vrdg | d< | d �|� |D ]}| d �|g ��|� qvdS )zM Supply a supplied credentials checker to the Options class. NZcredInterfacesZ credCheckers)r% r r( �appendr � setdefault)r& �checker� supportedr' r r r � addChecker� s zAuthOptionMixin.addCheckerc C s� z| � t|�� W n� tyJ } z t�d|jd ��W Y d}~npd}~0 ty� } z t�d|jd ��W Y d}~n:d}~0 ty� } zt�d| ��W Y d}~n d}~0 0 dS )zB Specify an authentication method for the server. z Auth plugin not supported: %sr Nz Auth plugin not recognized: %szUnexpected error: %s)r/ r# r r � UsageError�argsr � Exception)r& r" �er r r �opt_auth� s ((zAuthOptionMixin.opt_authc c s0 t � D ]$}|jD ]}| �|�r|V qqqdS )z� Return a list of which authTypes will be displayed by --help-auth. This makes it a lot easier to test this module. N)r r r( r) r r r � _checkerFactoriesForOptHelpAuth� s z/AuthOptionMixin._checkerFactoriesForOptHelpAuthc C s� | j �d� | j �d� | j �d� d}| �� D ] }t|j�|kr0t|j�}q0d| }| j �|d � | j �|d � | �� D ] }| j �||j|jf � q~| j �d� td��dS ) z< Show all authentication methods available. z#Usage: --auth AuthType[:ArgString] z-For detailed help: --help-auth-type AuthType � r z %%-%is %%s )ZAuthTypezArgString format)z========z================N)� authOutput�writer5 �lenr r � SystemExit)r& Z firstLengthr Z formatStringr r r � opt_help_auth� s � z AuthOptionMixin.opt_help_authc C s� z t |�}W n ty, t�d| ��Y n0 | j�d| � | j�d|j � | j�d� |j�� � � D ]}| j�d|� � � qj| j�d� | � |�s�| j�dt � | j�d� t d��dS )zA Show help for a particular authentication type. zInvalid auth type: %sz Usage: --auth %s[:ArgString] zArgString format: %s r6 z %s r N)r r r r0 r7 r8 r r �strip� splitlines�rstripr* �notSupportedWarningr: )r& r �cf�liner r r �opt_help_auth_type� s z"AuthOptionMixin.opt_help_auth_type)r r r r r% r r r r �__annotations__�sys�stdoutr7 r( r* r/ r4 r5 r; rB r r r r r$ x s r$ )r rD �typingr r r Zzope.interfacer r Ztwisted.pluginr Ztwisted.pythonr r r2 r r r r r? r r r# r$ r r r r �<module> s
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