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3 =�;j� � @ s� d dl Z d dlZd dlZd dlZddlmZmZmZmZm Z m Z ddl m Z d Z dZdZejjejd�ZdZG d d � d e�Ze� Zd d � Zd d� Zdd� Zdd� Zdd� Z dS )� N� )�config� constants� http_utils� log_utils�serverid�utils)�json_loads_nstr� zipv6_preference.json� �< c @ s, e Zd Zdd� Zedd� �Zedd� �ZdS )�IPProtoSelectorc C sb t jrtjd� dS t jjd�s.tjd� dS t jrBtjd� dS t� }|dk rltjdj|r`dnd �� |S d}| j t j �s�tjd � d}n2| j t j�s�tjd � d}nt j � r�tjd � d}|dk r�t |� |S | jdd �}| jdd �}|tk�rtjd� d}nR|tk�r tjd� d}n8|tk�r8tjd� d}n |tk�rRtjd� d}nd}t |� |S )ak Choose ipv6 if it is more suitable. Checks order: - check config values (it is faster) - eportal setup and FORCE_IPVx - then check each proto availability using HEAD requests - then check if we have server_id, it means we don't expect an ip license - and finally we need to check if there is an ip license z,decided to use ipv4 because of config valuesFzkernelcare.comz,decided to use ipv6 because of config valuesTNz%decided to use {0} from on-disk cache�ipv6Zipv4z1decided to use ipv4 because ipv6 is not availablez1decided to use ipv6 because ipv4 is not availablez/decided to use ipv4 because server id was found)r z2decided to use ipv4 because ipv4 license was foundz2decided to use ipv6 because ipv6 license was foundz8decided to use ipv4 because ipv4 trial license was foundz8decided to use ipv6 because ipv6 trial license was found)r � FORCE_IPV4r �logdebug� PATCH_SERVER�endswith� FORCE_IPV6� _read_cache�format�_is_url_reachable�PATCH_SERVER_IPV6r � get_serverid� _write_cache�_get_cln_license�CLN_VALID_LICENSE�CLN_TRIAL_ACTIVE_LICENSE)�self�cached�resultZ ipv4_licenseZ ipv6_license� r �2/usr/libexec/kcare/python/kcarectl/ipv6_support.py�is_ipv6_preferred sV z!IPProtoSelector.is_ipv6_preferredc C sb t j| dd d�}yt j|dddd� dS tk r\ } ztjdj| t|��� dS d }~X nX d S ) N�HEAD)�method� auth_string� F� )�timeout� retry_on_500� retry_countTz%error during HEAD request to {0}: {1})r � http_request�urlopen� Exceptionr r r �str)�url�request�er r r! r ` s z!IPProtoSelector._is_url_reachablec C s� | r t jnt j}|d }tjtj|dd�j� �}tj|�}| sL|j d� rbt j j dj |�� tS y t|d �S tk r� tS X d S )Nz /check.plainF)r) �codez Unexpected CLN response: {0})r �REGISTRATION_URL_IPV6�REGISTRATION_URLr �nstrr r, �read� data_as_dict�getr �kcarelog�errorr �CLN_NO_LICENSE�int� ValueError)r Zbase_urlr/ �content�infor r r! r k s z IPProtoSelector._get_cln_licenseN)�__name__� __module__� __qualname__r" � staticmethodr r r r r r! r s A r c C s t jt�} | sd S y t| �}W n, ttfk rJ tjdj| �dd� d S X t |t �sntjdj|�dd� d S |j d�}t |t �s�tjdj|�dd� d S |j d�}t |t j� s�t |t �r�tjdj|�dd� d S tj� t|� }|d k p�|tk�r tjd j|t�� d S |S ) Nz+ipv6 preference cache: malformed json {0!r}F)� print_msgz/ipv6 preference cache: unexpected payload {0!r}� prefer_ipv6z3ipv6 preference cache: unexpected prefer_ipv6 {0!r}�tsz)ipv6 preference cache: malformed ts {0!r}r z;ipv6 preference cache: stale entry (age={0:.0f}s, ttl={1}s))r � try_to_read� CACHE_FILEr r= � TypeErrorr �logwarnr � isinstance�dictr8 �bool�numbersZIntegral�timer< �CACHE_TTL_SECONDSr )r> �datarE Z cached_tsZager r r! r � s0 r c C sl | t tj� �d�}ytjttj|�dd� W n: ttfk rf } zt j dj |�dd� W Y d d }~X nX d S )N)rE rF T)� ensure_dirz*failed to write ipv6 preference cache: {0}F)rD ) r< rO r � atomic_writerH �json�dumps�OSError�IOErrorr rJ r )r rQ r1 r r r! r � s r c C s( yt jt� W n tk r" Y nX dS )z'Drop the on-disk ipv6 preference cache.N)�os�unlinkrH rV r r r r! � clear_cache� s rZ c C s t j� rtjS tjS )N)�ip_proto_selectorr" r r r r r r r! �get_patch_server� s r\ c C s t j� rtjS tjS )N)r[ r" r r3 r4 r r r r! �get_registration_url� s r] i� i�Q ) rT rN rX rO � r r r r r r �py23r r r r; �path�join� PATCH_CACHErH rP �objectr r[ r r rZ r\ r] r r r r! �<module> s" b'
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