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a s�hM0 � @ s d Z ddlmZ ddlZddlZddlmZmZmZm Z ddl Z ddl m Z m Z mZmZmZmZmZ z ddlZW n ey� dZY n0 e jdd�G d d � d ��Zd d d d d�dd�Zd d d d�dd�Zdddd�dd�Zddd�d d �Ze jdd�G d d � d ��Ze jdd�G d d!� d!��Z e jdd�G d"d#� d#��Z e jdd�G d$d%� d%��Z ee e ee f Z e G d&d'� d'e��Z e jd(dd)�G d*d+� d+��Z!e jdd�G d,d-� d-��Z"e jd(dd)�G d.d/� d/��Z#e jd(dd)�G d0d1� d1��Z$d2d2dd3�d4d5�Z%d2d6d7�d8d9�Z&e'�(d:d;�Z)dS )<z Common verification code. � )� annotationsN)�Protocol�Sequence�Union�runtime_checkable� )�CertificateError� DNSMismatch�IPAddressMismatch�Mismatch� SRVMismatch� URIMismatch�VerificationErrorT)�slotsc @ s2 e Zd ZU dZe�� Zded< e�� Zded< dS )� ServiceMatchz< A match of a service id and a certificate pattern. � ServiceID� service_id�CertificatePattern� cert_patternN) �__name__� __module__� __qualname__�__doc__�attr�ibr �__annotations__r � r r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/service_identity/hazmat.pyr s r z Sequence[CertificatePattern]zSequence[ServiceID]zlist[ServiceMatch])� cert_patterns�obligatory_ids� optional_ids�returnc C s� g }t | |�t | |� }dd� |D �}|D ] }||vr*|�|j|d�� q*|D ]*}||vrNt| |j�rN|�|j|d�� qN|r�t|d��|S )z� Verify whether *cert_patterns* are valid for *obligatory_ids* and *optional_ids*. *obligatory_ids* must be both present and match. *optional_ids* must match if a pattern of the respective type is present. c S s g | ] }|j �qS r )r )�.0�matchr r r � <listcomp>: � z+verify_service_identity.<locals>.<listcomp>)Z mismatched_id)�errors)� _find_matches�append�error_on_mismatch�_contains_instance_of� pattern_classr )r r r r& �matchesZ matched_ids�ir r r �verify_service_identity) s � � r. )r � service_idsr! c C s8 g }|D ]*}| D ] }|� |�r|�t||d�� qq|S )z� Search for matching certificate patterns and service_ids. :param service_ids: List of service IDs like DNS_ID. :type service_ids: `list` )r r )�verifyr( r )r r/ r, ZsidZcidr r r r' O s r' zSequence[object]�type�bool)�seq�clr! c s t � fdd�| D ��S )Nc 3 s | ]}t |� �V qd S �N)� isinstance)r" �e�r4 r r � <genexpr>b r% z(_contains_instance_of.<locals>.<genexpr>)�any)r3 r4 r r8 r r* a s r* z str | bytes��patternr! c C s� t | t�r.z| �d�} W n ty, Y dS 0 zt| � W dS tyN Y n0 zt�| �dd�� W n tyz Y dS 0 dS )z� Check whether *pattern* could be/match an IP address. :param pattern: A pattern for a host name. :return: `True` if *pattern* could be an IP address, else `False`. �asciiFT�*�1) r6 �bytes�decode� UnicodeError�int� ValueError� ipaddress� ip_address�replace�r< r r r �_is_ip_addresse s rI c @ s@ e Zd ZU dZe�� Zded< e� d�Z e dd d�dd��Z dS ) � DNSPatternz7 A DNS pattern as extracted from certificates. r@ r< � ^[a-z0-9\-_.]+$r; c C sf t |t�std��|�� }|dks2t|�s2d|v rBtd|�d���|�t�}d|v r\t|� | |d�S )Nz'The DNS pattern must be a bytes string.r% � zInvalid DNS pattern �.� *rH ) r6 r@ � TypeError�striprI r � translate�_TRANS_TO_LOWER�_validate_pattern)�clsr< r r r � from_bytes� s zDNSPattern.from_bytesN) r r r r r r r< r �re�compile�_RE_LEGAL_CHARS� classmethodrU r r r r rJ � s rJ c @ s6 e Zd ZU dZe�� Zded< edd d�dd��Z dS ) �IPAddressPatternz? An IP address pattern as extracted from certificates. �-ipaddress.IPv4Address | ipaddress.IPv6Addressr< r@ )�bsr! c C s< z| t �|�d�W S ty6 td|�d��d �Y n0 d S )NrH zInvalid IP address pattern rM )rE rF rD r )rT r\ r r r rU � s ��zIPAddressPattern.from_bytesN) r r r r r r r< r rY rU r r r r rZ � s rZ c @ sF e Zd ZU dZe�� Zded< e�� Zded< e dd d�dd��Z d S ) � URIPatternz8 An URI pattern as extracted from certificates. r@ �protocol_patternrJ � dns_patternr; c C sh t |t�std��|�� �t�}d|vs8d|v s8t|�rHtd|�d���|�d�\}}| |t � |�d�S )Nz'The URI pattern must be a bytes string.� :rN zInvalid URI pattern rM )r^ r_ � r6 r@ rO rP rQ rR rI r �splitrJ rU )rT r< r^ �hostnamer r r rU � s �zURIPattern.from_bytesN) r r r r r r r^ r r_ rY rU r r r r r] � s r] c @ sF e Zd ZU dZe�� Zded< e�� Zded< e dd d�dd��Z d S ) � SRVPatternz8 An SRV pattern as extracted from certificates. r@ � name_patternrJ r_ r; c C s~ t |t�std��|�� �t�}|d dksDd|vsDd|v sDt|�rTtd|�d���|�dd�\}}| |dd � t � |�d �S ) Nz'The SRV pattern must be a bytes string.r �_ � .rN zInvalid SRV pattern rM r )re r_ ra )rT r< �namerc r r r rU � s �����zSRVPattern.from_bytesN) r r r r r r re r r_ rY rU r r r r rd � s rd c @ s@ e Zd Zedd�dd��Zedd�dd��Zdd d �d d �Zd S )r ztype[CertificatePattern])r! c C s d S r5 r ��selfr r r r+ � s zServiceID.pattern_classztype[Mismatch]c C s d S r5 r ri r r r r) � s zServiceID.error_on_mismatchr r2 r; c C s d S r5 r �rj r< r r r r0 s zServiceID.verifyN)r r r �propertyr+ r) r0 r r r r r � s r F)�initr c @ sR e Zd ZU dZe�� Zded< e� d�Z e Z e Zdd�dd�Zd d d �d d �ZdS )�DNS_IDz) A DNS service ID, aka hostname. r@ rc rK �str)rc c C s� t |t�std��|�� }|r&t|�r.td��tdd� |D ��rZtrPt�|�}qdt d��n |�d�}|� t �| _ | j �| j �d u r�td��d S )Nz DNS-ID must be a text string.zInvalid DNS-ID.c s s | ]}t |�d kV qdS )� N)�ord)r" �cr r r r9 r% z"DNS_ID.__init__.<locals>.<genexpr>z+idna library is required for non-ASCII IDs.r= )r6 ro rO rP rI rD r: �idna�encode� ImportErrorrQ rR rc rX r# )rj rc Zascii_idr r r �__init__ s � zDNS_ID.__init__r r2 r; c C s t || j�rt|j| j�S dS )zC https://tools.ietf.org/search/rfc6125#section-6.4 F)r6 r+ �_hostname_matchesr< rc rk r r r r0 ' s z DNS_ID.verifyN)r r r r r r rc r rV rW rX rJ r+ r r) rv r0 r r r r rn s rn c @ s@ e Zd ZU dZejejd�Zde d< e Z e Z ddd�dd �Zd S ) � IPAddress_IDz# An IP address service ID. )� converterr[ �ipr r2 r; c C s t || j�r| j|jkS dS )zC https://tools.ietf.org/search/rfc2818#section-3.1 F)r6 r+ rz r< rk r r r r0 > s zIPAddress_ID.verifyN)r r r r r r rE rF rz r rZ r+ r r) r0 r r r r rx 1 s �rx c @ sX e Zd ZU dZe�� Zded< e�� Zded< e Z e Z dd�dd �Z d d d �d d�ZdS )�URI_IDz An URI service ID. r@ �protocolrn �dns_idro )�uric C sf t |t�std��|�� }d|vs*t|�r2td��|�d�\}}|�d��t �| _ t |�d��| _ d S )Nz URI-ID must be a text string.�:zInvalid URI-ID.r= �/) r6 ro rO rP rI rD rb rt rQ rR r| rn r} )rj r~ Zprotrc r r r rv T s zURI_ID.__init__r r2 r; c C s* t || j�r&|j| jko$| j�|j�S dS )zE https://tools.ietf.org/search/rfc6125#section-6.5.2 F)r6 r+ r^ r| r} r0 r_ rk r r r r0 a s �z URI_ID.verifyN)r r r r r r r| r r} r] r+ r r) rv r0 r r r r r{ H s r{ c @ sX e Zd ZU dZe�� Zded< e�� Zded< e Z e Z dd�dd �Z d d d �d d�ZdS )�SRV_IDz An SRV service ID. r@ rh rn r} ro )�srvc C sv t |t�std��|�� }d|vs6t|�s6|d dkr>td��|�dd�\}}|dd � �d��t �| _ t |�| _ d S )Nz SRV-ID must be a text string.rM r �_zInvalid SRV-ID.r r= ) r6 ro rO rP rI rD rb rt rQ rR rh rn r} )rj r� rh rc r r r rv z s zSRV_ID.__init__r r2 r; c C s* t || j�r&| j|jko$| j�|j�S dS )zE https://tools.ietf.org/search/rfc6125#section-6.5.1 F)r6 r+ rh re r} r0 r_ rk r r r r0 � s �z SRV_ID.verifyN)r r r r r r rh r r} rd r+ r r) rv r0 r r r r r� n s r� r@ )r �actual_hostnamer! c C sZ d| v rR| � dd�\}}|� dd�\}}||kr4dS |�d�rBdS |dkpP||kS | |kS )zT :return: `True` if *cert_pattern* matches *actual_hostname*, else `False`. rN rg r Fs xn--)rb � startswith)r r� Z cert_headZ cert_tailZ actual_headZ actual_tailr r r rw � s rw �None)r r! c C s� | � d�}|dkr td�| ���| �d�}t|�dk rDtd�| ���d|d vr^td�| ���td d � |D ��r~td �| ���d S ) zh Check whether the usage of wildcards within *cert_pattern* conforms with our expectations. rN r z6Certificate's DNS-ID {!r} contains too many wildcards.rg � zICertificate's DNS-ID {!r} has too few host components for wildcard usage.r zDCertificate's DNS-ID {!r} has a wildcard outside the left-most part.c s s | ]}t |� V qd S r5 )�len)r" �pr r r r9 � r% z$_validate_pattern.<locals>.<genexpr>z/Certificate's DNS-ID {!r} contains empty parts.N)�countr �formatrb r� r: )r Zcnt�partsr r r rS � s4 �� �� ����rS s ABCDEFGHIJKLMNOPQRSTUVWXYZs abcdefghijklmnopqrstuvwxyz)*r � __future__r rE rV �typingr r r r r � exceptionsr r r r r r r rs ru �sr r. r' r* rI rJ rZ r] rd r r rn rx r{ r� rw rS r@ � maketransrR r r r r �<module> sT $ & � , % $!�
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