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a }|�g.X � @ s, d Z ddlZddlZddlZddlZddlZddlZddlmZ ddlm Z ddlm Z ddlm Z ddlm Z ddlm Z dd lmZ dd lmZ dd lmZ dd lmZ dd lmZ ddlZddlmZ ddlmZ ddlZddlm Z ddlm Z e� e �Z eddd�Z!G dd� dej"�Z#G dd� dej"�Z$G dd� de#�Z%G dd� de#�Z&G d d � d e$�Z'G d d � d e&ej(d �Z)e$j*G d!d"� d"e'��Z+e#j*G d#d$� d$e)��Z,e$j*G d%d&� d&e'��Z-e#j*G d'd(� d(e)��Z.e$j*G d)d*� d*e'��Z/e#j*G d+d,� d,e)��Z0e#j*G d-d.� d.e&��Z1e$j*G d/d0� d0e$��Z2dS )1z&ACME Identifier Validation Challenges.� N)�Any)�cast)�Dict)�Mapping)�Optional)�Tuple)�Type)�TypeVar)�Union)�x509)�hashes)�crypto)�SSL)� crypto_util)�errors�GenericChallenge� Challenge)�boundc s\ e Zd ZU dZi Zeeed f ed< e ee e ee f e e df d�� fdd� �Z� ZS )r zACME challenge.�TYPES�UnrecognizedChallenge)�cls�jobj�returnc sT zt tt� �|��W S tjyN } z t�|� t�|�W Y d }~S d }~0 0 d S �N) r r �super� from_json�joseZUnrecognizedTypeError�logger�debugr )r r �error�� __class__� �3/usr/lib/python3.9/site-packages/acme/challenges.pyr & s zChallenge.from_json)�__name__� __module__� __qualname__�__doc__r r �strr �__annotations__� classmethodr r r r r � __classcell__r" r" r r# r ! s �c sH e Zd ZU dZi Zeeed f ed< eee f d�� fdd� Z � Z S )�ChallengeResponsezACME challenge response.r �r c s t � �� }|�| jd � |S r )r �to_partial_json�popZtype_field_name��selfr r r" r# r. 5 s z!ChallengeResponse.to_partial_json) r$ r% r& r' r r r( r r) r r. r+ r" r" r r# r, 0 s r, c st e Zd ZU dZeeef ed< eeef dd�� fdd� Z eeef d�dd �Z e eeef d d�d d ��Z � Z S ) r al Unrecognized challenge. ACME specification defines a generic framework for challenges and defines some standard challenges that are implemented in this module. However, other implementations (including peers) might define additional challenge types, which should be ignored if unrecognized. :ivar jobj: Original JSON decoded object. r N)r r c s t � �� t�| d|� d S )Nr )r �__init__�object� __setattr__r0 r r" r# r2 K s z UnrecognizedChallenge.__init__r- c C s | j S r )r �r1 r" r" r# r. O s z%UnrecognizedChallenge.to_partial_jsonc C s | |�S r r" )r r r" r" r# r R s z UnrecognizedChallenge.from_json)r$ r% r& r' r r( r r) r r2 r. r* r r+ r" r" r r# r = s r c @ sP e Zd ZU dZdZejdejej ej edd�d�Z e e d< eed�dd ��Zd S ) �_TokenChallengez3Challenge with token. :ivar bytes token: � �tokenT)�sizeZminimum)�encoder�decoderr- c C s d| j vod| j vS )z�Is `token` good? .. todo:: acme-spec wants "It MUST NOT contain any non-ASCII characters", but it should also warrant that it doesn't contain ".." or "/"... s ..� /)r8 r5 r" r" r# � good_tokenf s z_TokenChallenge.good_tokenN)r$ r% r& r' Z TOKEN_SIZEr �fieldZencode_b64jose� functools�partialZdecode_b64joser8 �bytesr) �property�boolr= r" r" r" r# r6 W s ��r6 c s\ e Zd ZU dZe�d�Zeed< e j Z dej e d�dd�Zeeef d�� fd d � Z� ZS ) �!KeyAuthorizationChallengeResponsez[Response to Challenges based on Key Authorization. :param str key_authorization: �keyAuthorization�key_authorization�KeyAuthorizationChallenge��chall�account_public_keyr c C s� | j �d�}t|�dkr*t�d| j � dS |d |�d�krXt�d|d |�d�� dS t�|j| j d��� � }|d |kr�t�d |d |� dS d S ) a% Verify the key authorization. :param KeyAuthorization chall: Challenge that corresponds to this response. :param JWK account_public_key: :return: ``True`` iff verification of the key authorization was successful. :rtype: bool �.� z)Key authorization (%r) is not well formedFr r8 z8Mismatching token in key authorization: %r instead of %r�Z hash_function� z=Mismatching thumbprint in key authorization: %r instead of %rT) rF �split�lenr r �encoder � b64encode� thumbprint�thumbprint_hash_function�decode)r1 rI rJ �partsrS r" r" r# �verify~ s( ��� �z(KeyAuthorizationChallengeResponse.verifyr- c s t � �� }|�dd � |S )NrE )r r. r/ r0 r r" r# r. � s z1KeyAuthorizationChallengeResponse.to_partial_json)r$ r% r& r' r r> rF r( r) r �SHA256rT �JWKrC rW r r r. r+ r" r" r r# rD u s rD c @ s� e Zd ZU dZeZeed< eZe e ed< e j Z e j ed�dd�Ze j e d�dd�Zeje j eed �d d ��Ze j eeee ef d �d d�ZdS )rG z�Challenge based on Key Authorization. :param response_cls: Subclass of `KeyAuthorizationChallengeResponse` that will be used to generate ``response``. :param str typ: type of the challenge �typ� response_cls)� account_keyr c C s& | � d�d t�|j| jd���� S )zZGenerate Key Authorization. :param JWK account_key: :rtype str: r8 rK rM )rQ r rR rS rT rU �r1 r\ r" r" r# rF � s ��z+KeyAuthorizationChallenge.key_authorizationc C s | j | �|�d�S )z�Generate response to the challenge. :param JWK account_key: :returns: Response (initialized `response_cls`) to the challenge. :rtype: KeyAuthorizationChallengeResponse �rF )r[ rF r] r" r" r# �response� s �z"KeyAuthorizationChallenge.response�r\ �kwargsr c K s t � �dS )a� Generate validation for the challenge. Subclasses must implement this method, but they are likely to return completely different data structures, depending on what's necessary to complete the challenge. Interpretation of that return value must be known to the caller. :param JWK account_key: :returns: Challenge-specific validation. N)�NotImplementedError�r1 r\ ra r" r" r# � validation� s z$KeyAuthorizationChallenge.validation)r\ �argsra r c O s" | � |�| j|g|�R i |��fS )z�Generate response and validation. Convenience function that return results of `response` and `validation`. :param JWK account_key: :rtype: tuple )r_ rd )r1 r\ re ra r" r" r# �response_and_validation� s �z1KeyAuthorizationChallenge.response_and_validationN)r$ r% r& r' �NotImplementedrZ r( r) r[ r rD rT r rY rF r_ �abc�abstractmethodr rd r rf r" r" r" r# rG � s � �rG )� metaclassc @ s* e Zd ZdZdZdeejed�dd�Z dS )� DNS01Responsez ACME dns-01 challenge response.zdns-01�DNS01)rI �domainrJ r c C s | � ||�}|st�d� |S )a� Simple verify. This method no longer checks DNS records and is a simple wrapper around `KeyAuthorizationChallengeResponse.verify`. :param challenges.DNS01 chall: Corresponding challenge. :param str domain: Domain name being verified. :param JWK account_public_key: Public key for the key pair being authorized. :return: ``True`` iff verification of the key authorization was successful. :rtype: bool �4Verification of key authorization in response failed)rW r r )r1 rI rm rJ Zverifiedr" r" r# � simple_verify� s zDNS01Response.simple_verifyN) r$ r% r& r' rZ r( r rY rC ro r" r" r" r# rk � s rk c @ sB e Zd ZdZeZejZdZej e e d�dd�Z e e d�dd�Z d S ) rl zACME dns-01 challenge.�_acme-challenge�r\ � unused_kwargsr c K s$ t �t�| �|��d���� ��� S )�SGenerate validation. :param JWK account_key: :rtype: str �utf-8)r rR �hashlib�sha256rF rQ �digestrU �r1 r\ rr r" r" r# rd s ��zDNS01.validation��namer c C s | j � d|� �S )z{Domain name for TXT validation record. :param str name: Domain name being validated. :rtype: str rK )�LABEL�r1 rz r" r" r# �validation_domain_name s z DNS01.validation_domain_nameN)r$ r% r& r' rk r[ rZ r{ r rY r r( rd r} r" r" r" r# rl s rl c @ s< e Zd ZdZdZdZdZd deej e e e e d�d d �Z dS ) �HTTP01Responsez ACME http-01 challenge response.zhttp-01�P z N� �HTTP01)rI rm rJ �port�timeoutr c C s� | � ||�st�d� dS |durF|| jkrFt�d|� |d�|�7 }|�|�}t�d|j|� ztj |d|d�}W n8 tj j y� } z t� d||� W Y d}~dS d}~0 0 d |_ t�d ||j|j� |j�| j�} | j| k� r�t�d | j| � dS d S ) a� Simple verify. :param challenges.SimpleHTTP chall: Corresponding challenge. :param str domain: Domain name being verified. :param JWK account_public_key: Public key for the key pair being authorized. :param int port: Port used in the validation. :param int timeout: Timeout in seconds. :returns: ``True`` iff validation with the files currently served by the HTTP server is successful. :rtype: bool rn FNz4Using non-standard port for http-01 verification: %sz:{0}zVerifying %s at %s...)rW r� zUnable to reach %s: %s�asciiz Received %s: %s. Headers: %szEKey authorization from response (%r) doesn't match HTTP response (%r)T)rW r r �PORTZwarning�format�urirZ �requests�get� exceptionsZRequestExceptionr �encoding�textZheaders�rstrip�WHITESPACE_CUTSETrF ) r1 rI rm rJ r� r� r� Z http_responser Zchallenge_responser" r" r# ro 0 s6 � � �z HTTP01Response.simple_verify)Nr� )r$ r% r& r' rZ r� r� r( r rY r �intrC ro r" r" r" r# r~ s � �r~ c @ sT e Zd ZdZeZejZdZee d�dd��Z e e d�dd�Z e j ee d �d d �Zd S ) r� zACME http-01 challenge.z.well-known/acme-challenger- c C s d| j d | �d� S )zQPath (starting with '/') for provisioned resource. :rtype: str �/r8 )� URI_ROOT_PATHrQ r5 r" r" r# �pathr s z HTTP01.path)rm r c C s d| | j S )z�Create an URI to the provisioned resource. Forms an URI to the HTTPS server provisioned resource (containing :attr:`~SimpleHTTP.token`). :param str domain: Domain name being verified. :rtype: str zhttp://)r� )r1 rm r" r" r# r� { s z HTTP01.urirq c K s | � |�S )rs r^ rx r" r" r# rd � s zHTTP01.validationN)r$ r% r& r' r~ r[ rZ r� rB r( r� r� r rY r rd r" r" r" r# r� i s r� c @ s� e Zd ZdZdZdZdZdZee d�dd��Z de e e j eee je jf d �d d �Zde e e e e e jd�dd�Ze eeje jf ed�dd�Zdde eje e j e e e e ed�dd�Zd S )�TLSALPN01Responsez$ACME tls-alpn-01 challenge response.z tls-alpn-01i� s 1.3.6.1.5.5.7.1.30.1s acme-tls/1r- c C s t �| j�d���� S )z*Hash value stored in challenge certificatert )ru rv rF rQ rw r5 r" r" r# �h� s zTLSALPN01Response.hN� )rm �key�bitsr c C s\ |du r t �� }|�t j|� dt�| jd� }t j| jd|d�}t j ||gd|gd�|fS )a� Generate tls-alpn-01 certificate. :param str domain: Domain verified by the challenge. :param OpenSSL.crypto.PKey key: Optional private key used in certificate generation. If not provided (``None``), then fresh key will be generated. :param int bits: Number of bits for newly generated key. :rtype: `tuple` of `OpenSSL.crypto.X509` and `OpenSSL.crypto.PKey` Ns DER:�hexT)Zcritical�value)Z force_san� extensions) r �PKeyZ generate_keyZTYPE_RSA�codecsrQ r� Z X509Extension�ID_PE_ACME_IDENTIFIER_V1r Z gen_ss_cert)r1 rm r� r� Z der_valueZacme_extensionr" r" r# �gen_cert� s � ��zTLSALPN01Response.gen_cert)rm �hostr� r c C sL |du r t �|�}t�d||� |du r.| j}tj|�� ||�� | jgd�S )z�Probe tls-alpn-01 challenge certificate. :param str domain: domain being validated, required. :param str host: IP address used to probe the certificate. :param int port: Port used to probe the certificate. Nz%s resolved to %s)r� r� rz Zalpn_protocols) �socketZ gethostbynamer r r� r Z probe_snirQ �ACME_TLS_1_PROTOCOL)r1 rm r� r� r" r" r# � probe_cert� s �z TLSALPN01Response.probe_cert)rm �certr c C s� t |tj�s|�� }t�|j|j�}t� d|� t � � �|� t |�dks\|d �� |�� kr`dS z |j�t�| j�� ��}W n tjy� Y dS 0 t |jtj�s�J �|jj| jkS )a@ Verify tls-alpn-01 challenge certificate. :param str domain: Domain name being validated. :param cert: Challenge certificate. :type cert: `cryptography.x509.Certificate` or `OpenSSL.crypto.X509` :returns: Whether the certificate was successfully verified. :rtype: bool zCertificate %s. SANs: %srN r F)� isinstancer � CertificateZto_cryptographyr Z%get_names_from_subject_and_extensionsZsubjectr� r r Z fingerprintr rX rP �lowerZget_extension_for_oidZObjectIdentifierr� rU ZExtensionNotFoundr� ZUnrecognizedExtensionr� )r1 rm r� �names�extr" r" r# � verify_cert� s$ �� �z TLSALPN01Response.verify_cert� TLSALPN01)rI rm rJ r� r� r� r c C s~ | � ||�st�d� dS |du rrz| j|||d�}W n: tjyp } z tjt|�dd� W Y d}~dS d}~0 0 | �||�S )a� Simple verify. Verify ``validation`` using ``account_public_key``, optionally probe tls-alpn-01 certificate and check using `verify_cert`. :param .challenges.TLSALPN01 chall: Corresponding challenge. :param str domain: Domain name being validated. :param JWK account_public_key: :param OpenSSL.crypto.X509 cert: Optional certificate. If not provided (``None``) certificate will be retrieved using `probe_cert`. :param string host: IP address used to probe the certificate. :param int port: Port used to probe the certificate. :returns: ``True`` if and only if client's control of the domain has been verified. :rtype: bool rn FN)rm r� r� T)�exc_info)rW r r r� r �Errorr( r� )r1 rI rm rJ r� r� r� r r" r" r# ro � s z TLSALPN01Response.simple_verify)Nr� )NN)NNN) r$ r% r& r' rZ r� r� r� rB rA r� r( r r r� r� r �X509r� r� r r r� rC r� r rY ro r" r" r" r# r� � s, � � � $ � �r� c @ sL e Zd ZdZeZejZeje e e j e j f d�dd�Zeed�dd��ZdS ) r� zACME tls-alpn-01 challenge.r` c K s, t t| �|��j|�d�t t|�d��d�S )a� Generate validation. :param JWK account_key: :param str domain: Domain verified by the challenge. :param OpenSSL.crypto.PKey cert_key: Optional private key used in certificate generation. If not provided (``None``), then fresh key will be generated. :rtype: `tuple` of `OpenSSL.crypto.X509` and `OpenSSL.crypto.PKey` Zcert_keyrm )r� rm )r r� r_ r� r� r( rc r" r" r# rd s �zTLSALPN01.validationr- c C s t tjd�ot tjd�S )ai Check if TLS-ALPN-01 challenge is supported on this machine. This implies that a recent version of OpenSSL is installed (>= 1.0.2), or a recent cryptography version shipped with the OpenSSL library is installed. :returns: ``True`` if TLS-ALPN-01 is supported on this machine, ``False`` otherwise. :rtype: bool Zset_alpn_protosZset_alpn_select_callback)�hasattrr Z ConnectionZContextr" r" r" r# � is_supported. s �zTLSALPN01.is_supportedN)r$ r% r& r' r� r[ rZ r rY r r r r� r� rd � staticmethodrC r� r" r" r" r# r� s r� c @ sr e Zd ZdZdZdZejfejej e ej d�dd�Z ej eje d�dd �Zeje d d �d d �Zeed�dd�ZdS )�DNSzACME "dns" challenge.�dnsrp )r\ �algra r c K s( t jjf | jdd��d�||d�|��S )z�Generate validation. :param .JWK account_key: Private account key. :param .JWA alg: :returns: This challenge wrapped in `.JWS` :rtype: .JWS T)Z sort_keysrt )�payloadr� r� )r �JWS�signZ json_dumpsrQ )r1 r\ r� ra r" r" r# �gen_validationE s ��zDNS.gen_validation)rd rJ r c C sb |j |d�sdS z| | �|j�d��kW S tjy\ } zt�d|� W Y d}~dS d}~0 0 dS )zwCheck validation. :param JWS validation: :param JWK account_public_key: :rtype: bool )r� Frt z&Checking validation for DNS failed: %sN)rW Z json_loadsr� rU r ZDeserializationErrorr r )r1 rd rJ r r" r" r# �check_validationT s � zDNS.check_validation� DNSResponser` c K s t | j|fi |��d�S )z�Generate response. :param .JWK account_key: Private account key. :param .JWA alg: :rtype: DNSResponse )rd )r� r� rc r" r" r# � gen_responsee s zDNS.gen_responsery c C s d� | j|�S )zgDomain name for TXT validation record. :param str name: Domain name being validated. z{0}.{1})r� r{ r| r" r" r# r} p s zDNS.validation_domain_nameN)r$ r% r& r' rZ r{ r ZRS256rY Z JWASignaturer r� r� rC r� r� r( r} r" r" r" r# r� = s � r� c @ sF e Zd ZU dZdZejdejjd�Z eje d< dej e d�dd�Z d S ) r� z@ACME "dns" challenge response. :param JWS validation: r� rd )r; r� rH c C s |� | j|�S )z~Check validation. :param challenges.DNS chall: :param JWK account_public_key: :rtype: bool )r� rd )r1 rI rJ r" r" r# r� � s z DNSResponse.check_validationN)r$ r% r& r' rZ r r> r� r rd r) rY rC r� r" r" r" r# r� y s r� )3r' rh r� r? ru Zloggingr� �typingr r r r r r r r r Z cryptographyr Z cryptography.hazmat.primitivesr Zjosepyr ZOpenSSLr r r� Zacmer r Z getLoggerr$ r r ZTypedJSONObjectWithFieldsr r, r r6 rD �ABCMetarG �registerrk rl r~ r� r� r� r� r� r" r" r" r# �<module> s` 2A H' %;
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