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dns_common.cpython-310.pyc
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o 6��a�1 � @ s� d Z ddlZddlZddlmZ ddlZddlmZ ddlm Z ddlm Z ddl m Z ddl m Z dd lmZ dd lmZ dd lmZ e�e�ZG d d � d eje jejd�ZG dd� d�Zdd� Z dd� Z dd� Z dS )z*Common code for DNS Authenticator Plugins.� N)�sleep)� challenges)�errors)� interfaces)� filesystem)�os)�ops)�util)�commonc s� e Zd ZdZ� fdd�Zed&dd��Zdd� Zd d � Zd d � Z d e fdd�Z dd� Z dd� Z ejdd� �Zejdd� �Zejdd� �Zdd� Zd'd d �Z d( d)d d!�Zed"d#� �Zed'd$d%��Z� ZS )*�DNSAuthenticatorz!Base class for DNS Authenticatorsc s t � �||� d| _d S )NF)�super�__init__�_attempt_cleanup)�self�config�name�� __class__� �</usr/lib/python3/dist-packages/certbot/plugins/dns_common.pyr s zDNSAuthenticator.__init__� c C s |d|t dd� d S )N�propagation-secondszjThe number of seconds to wait for DNS to propagate before asking the ACME server to verify the DNS record.)�default�type�help)�int)�cls�add�default_propagation_secondsr r r �add_parser_arguments s �z%DNSAuthenticator.add_parser_argumentsc C s, | � d�}dj| j||dkrdd�S dd�S )z,See certbot.plugins.common.Plugin.auth_hint.r z�The Certificate Authority failed to verify the DNS TXT records created by --{name}. Ensure the above domains are hosted by this DNS provider, or try increasing --{name}-propagation-seconds (currently {secs} second{suffix}).� �s� )r �secs�suffix)�conf�formatr )r �failed_achalls�delayr r r � auth_hint% s ����zDNSAuthenticator.auth_hintc C s t jgS �N)r �DNS01)r � unused_domainr r r �get_chall_pref/ s z DNSAuthenticator.get_chall_prefc C s d S r* r �r r r r �prepare2 s zDNSAuthenticator.prepare�returnc C � t � �r* ��NotImplementedErrorr. r r r � more_info5 s zDNSAuthenticator.more_infoc C s~ | � � d| _g }|D ] }|j}|�|�}|�|j�}| �|||� |�|�|j�� q t � d| � d� � t | � d�� |S )NTz/Waiting %d seconds for DNS changes to propagater ) �_setup_credentialsr �domain�validation_domain_name� validation� account_key�_perform�append�response� display_util�notifyr% r )r �achalls� responses�achallr6 r7 r8 r r r �perform8 s �zDNSAuthenticator.performc C sB | j r |D ]}|j}|�|�}|�|j�}| �|||� qd S d S r* )r r6 r7 r8 r9 �_cleanup)r r? rA r6 r7 r8 r r r �cleanupO s �zDNSAuthenticator.cleanupc C r1 )z@ Establish credentials, prompting if necessary. r2 r. r r r r5 X s z#DNSAuthenticator._setup_credentialsc C r1 )aX Performs a dns-01 challenge by creating a DNS TXT record. :param str domain: The domain being validated. :param str validation_domain_name: The validation record domain name. :param str validation: The validation record content. :raises errors.PluginError: If the challenge cannot be performed r2 �r r6 �validation_namer8 r r r r: _ s zDNSAuthenticator._performc C r1 )aX Deletes the DNS TXT record which would have been created by `_perform_achall`. Fails gracefully if no such record exists. :param str domain: The domain being validated. :param str validation_domain_name: The validation record domain name. :param str validation: The validation record content. r2 rE r r r rC k s zDNSAuthenticator._cleanupc C s4 | � |�}|s| �|�}t| j| �|�|� dS dS )a Ensure that a configuration value is available. If necessary, prompts the user and stores the result. :param str key: The configuration key. :param str label: The user-friendly label for this piece of information. N)r% �_prompt_for_data�setattrr �dest)r �key�label�configured_value� new_valuer r r � _configurex s �zDNSAuthenticator._configureNc C sF | � |�}|s!| �||�}t| j| �|�tj�tj�|��� dS dS )a Ensure that a configuration value is available for a path. If necessary, prompts the user and stores the result. :param str key: The configuration key. :param str label: The user-friendly label for this piece of information. N) r% �_prompt_for_filerH r rI r �path�abspath� expanduser)r rJ rK � validatorrL rM r r r �_configure_file� s (�z DNSAuthenticator._configure_file�CredentialsConfigurationc sN � ��fdd�}�� |||� t��|��j�}� r |�� � �r%�|� |S )a� As `_configure_file`, but for a credential configuration file. If necessary, prompts the user and stores the result. Always stores absolute paths to avoid issues during renewal. :param str key: The configuration key. :param str label: The user-friendly label for this piece of information. :param dict required_variables: Map of variable which must be present to error to display. :param callable validator: A method which will be called to validate the `CredentialsConfiguration` resulting from the supplied input after it has been validated to contain the `required_variables`. Should throw a `~certbot.errors.PluginError` to indicate any issue. c s. t | �j�}� r |�� � �r�|� d S d S r* )rU rI �require)�filename� configuration��required_variablesr rS r r � __validator� s �z<DNSAuthenticator._configure_credentials.<locals>.__validator)rT rU r% rI rV )r rJ rK rZ rS � _DNSAuthenticator__validator�credentials_configurationr rY r �_configure_credentials� s z'DNSAuthenticator._configure_credentialsc sD � fdd�}t j|d�� �dd�\}}|tjkr|S t�d�� ���)z� Prompt the user for a piece of information. :param str label: The user-friendly label for this piece of information. :returns: The user's response (guaranteed non-empty). :rtype: str c s | s t �d�� ���d S )NzPlease enter your {0}.)r � PluginErrorr& )�i�rK r r r[ � s �z6DNSAuthenticator._prompt_for_data.<locals>.__validatorzInput your {0}T��force_interactive�{0} required to proceed.)r �validated_inputr& r= �OKr r_ )rK r\ �coder< r ra r rG � s � z!DNSAuthenticator._prompt_for_datac sF � �fdd�}t j|d�� �dd�\}}|tjkr|S t�d�� ���)a� Prompt the user for a path. :param str label: The user-friendly label for the file. :param callable validator: A method which will be called to validate the supplied input after it has been validated to be a non-empty path to an existing file. Should throw a `~certbot.errors.PluginError` to indicate any issue. :returns: The user's response (guaranteed to exist). :rtype: str c s< | s t �d�� ���tj�| �} t| � �r �| � d S d S )Nz&Please enter a valid path to your {0}.)r r_ r& r rP rR � validate_file�rW �rK rS r r r[ � s �z6DNSAuthenticator._prompt_for_file.<locals>.__validatorzInput the path to your {0}Trb rd )r �validated_directoryr& r= rf r r_ )rK rS r\ rg r< r rj r rO � s � z!DNSAuthenticator._prompt_for_file)r r* )NN)r0 rU )�__name__� __module__� __qualname__�__doc__r � classmethodr r) r- r/ �strr4 rB rD �abc�abstractmethodr5 r: rC rN rT r^ � staticmethodrG rO � __classcell__r r r r r s8 � �& r )� metaclassc @ s@ e Zd ZdZdd� fdd�Zdd� Zdd � Zd d � Zd d � ZdS )rU z>Represents a user-supplied filed which stores API credentials.c C s | S r* r )�xr r r �<lambda>� s z!CredentialsConfiguration.<lambda>c C s^ t |� zt�|�| _W n tjy) } ztjd|dd� t�d� |���d}~ww || _ dS )z� :param str filename: A path to the configuration file. :param callable mapper: A transformation to apply to configuration key names :raises errors.PluginError: If the file does not exist or is not a valid format. z+Error parsing credentials configuration: %sT)�exc_infoz,Error parsing credentials configuration: {0}N) �validate_file_permissions� configobj� ConfigObj�confobj�ConfigObjError�logger�debugr r_ r& �mapper)r rW r� �er r r r � s �� z!CredentialsConfiguration.__init__c C s� g }|D ])}| � |�s|�d�| �|�|| �� q| �|�s-|�d�| �|�|| �� q|rGt�d�t|�dkr<dnd| jj d� |����dS ) z�Ensures that the supplied set of variables are all present in the file. :param dict required_variables: Map of variable which must be present to error to display. :raises errors.PluginError: If one or more are missing. z)Property "{0}" not found (should be {1}).z'Property "{0}" not set (should be {1}).z9Missing {0} in credentials configuration file {1}: * {2}r �property� propertiesz * N) �_hasr; r& r� �_getr r_ �lenr} rW �join)r rZ �messages�varr r r rV s( � �����z CredentialsConfiguration.requirec C s | � |�S )z�Find a configuration value for variable `var`, as transformed by `mapper`. :param str var: The variable to get. :returns: The value of the variable. :rtype: str )r� �r r� r r r r% # s z CredentialsConfiguration.confc C s | � |�| jv S r* )r� r} r� r r r r� - s z CredentialsConfiguration._hasc C s | j �| �|��S r* )r} �getr� r� r r r r� 0 s z CredentialsConfiguration._getN) rl rm rn ro r rV r% r� r� r r r r rU � s rU c C s< t j�| �st�d�| ���t j�| �r t�d�| ���dS )z&Ensure that the specified file exists.zFile not found: {0}zPath is a directory: {0}N)r rP �existsr r_ r& �isdirri r r r rh 4 s �rh c C s& t | � t�| �rt�d| � dS dS )zHEnsure that the specified file exists and warn about unsafe permissions.z8Unsafe permissions on credentials configuration file: %sN)rh r �has_world_permissionsr �warningri r r r rz > s �rz c s& | � d�� � fdd�tdt� ��D �S )a� Return a list of progressively less-specific domain names. One of these will probably be the domain name known to the DNS provider. :Example: >>> base_domain_name_guesses('foo.bar.baz.example.com') ['foo.bar.baz.example.com', 'bar.baz.example.com', 'baz.example.com', 'example.com', 'com'] :param str domain: The domain for which to return guesses. :returns: The a list of less specific domain names. :rtype: list �.c s g | ] }d � � |d� ��qS )r� N)r� )�.0r` �� fragmentsr r � <listcomp>W s z,base_domain_name_guesses.<locals>.<listcomp>r )�split�ranger� )r6 r r� r �base_domain_name_guessesG s r� ) ro rr �logging�timer r{ �acmer �certbotr r �certbot.compatr r �certbot.displayr r r= �certbot.pluginsr � getLoggerrl r �Plugin� Authenticator�ABCMetar rU rh rz r� r r r r �<module> s( c=