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challenges.pyc
� ���_c @ s� d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z m Z e j e � Z d e j f d � � YZ d e e e j f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ e j e j! � d e f d � � Y� Z" e j# d e f d � � Y� Z$ e j# d e" f d � � Y� Z% e j# d e f d � � Y� Z& e j# d e" f d � � Y� Z' e j# d e f d � � Y� Z( e j# d e" f d! � � Y� Z) e j# d" e f d# � � Y� Z* e j# d$ e f d% � � Y� Z+ d S(& s& ACME Identifier Validation Challenges.i����N( t hashes( t SSL( t crypto( t crypto_util( t errors( t fields( t ResourceMixint TypeMixint Challengec B s# e Z d Z i Z e d � � Z RS( s ACME challenge.c C sN y t t | � j | � SWn- t j k rI } t j | � t j | � SXd S( N( t superR t from_jsont joset UnrecognizedTypeErrort loggert debugt UnrecognizedChallenge( t clst jobjt error( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR s ( t __name__t __module__t __doc__t TYPESt classmethodR ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR s t ChallengeResponsec B s) e Z d Z i Z d Z e j e � Z RS( s ACME challenge response.t challenge( R R R R t resource_typeR t Resourcet resource( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR & s R c B s/ e Z d Z d � Z d � Z e d � � Z RS( sl 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. c C s* t t | � j � t j | d | � d S( NR ( R R t __init__t objectt __setattr__( t selfR ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR ; s c C s | j S( N( R ( R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt to_partial_json? s c C s | | � S( N( ( R R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR B s ( R R R R R! R R ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR . s t _TokenChallengec B s] e Z d Z d d Z e j d d e j d e j e j d e d e ��Z e d � � Z RS( s3 Challenge with token. :ivar bytes token: i� i t tokent encodert decodert sizet minimumc C s d | j k o d | j k S( s� 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 ..t /( R# ( R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt good_tokenV s ( R R R t TOKEN_SIZER t Fieldt encode_b64joset functoolst partialt decode_b64joset TrueR# t propertyR) ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR" G s t! KeyAuthorizationChallengeResponsec B s8 e Z d Z e j d � Z e j Z d � Z d � Z RS( s_ Response to Challenges based on Key Authorization. :param unicode key_authorization: t keyAuthorizationc C s� | j j d � } t | � d k r; t j d | j � t S| d | j d � k rx t j d | d | j d � � t St j | j d | j � � j � } | d | k r� t j d | d | � t St S( s% 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 t .i s) Key authorization (%r) is not well formedi R# s8 Mismatching token in key authorization: %r instead of %rt hash_functioni s= Mismatching thumbprint in key authorization: %r instead of %r( t key_authorizationt splitt lenR R t Falset encodeR t b64encodet thumbprintt thumbprint_hash_functiont decodeR0 ( R t challt account_public_keyt partsR< ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt verifyn s c C s) t t | � j � } | j d d � | S( NR3 ( R R2 R! t popt None( R R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR! � s ( R R R R R+ R6 R t SHA256R= RB R! ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR2 e s t KeyAuthorizationChallengec B sP e Z d Z e Z e Z e j Z d � Z d � Z e j d � � Z d � Z RS( s� 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 c C s3 | j d � d t j | j d | j � � j � S( s^ Generate Key Authorization. :param JWK account_key: :rtype unicode: R# R4 R5 ( R: R R; R< R= R> ( R t account_key( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR6 � s c C s | j d | j | � � S( s� Generate response to the challenge. :param JWK account_key: :returns: Response (initialized `response_cls`) to the challenge. :rtype: KeyAuthorizationChallengeResponse R6 ( t response_clsR6 ( R RG ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt response� s c K s t � � d S( s� 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( t NotImplementedError( R RG t kwargs( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt validation� s c O s" | j | � | j | | | � f S( s� Generate response and validation. Convenience function that return results of `response` and `validation`. :param JWK account_key: :rtype: tuple ( RI RL ( R RG t argsRK ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt response_and_validation� s ( R R R t NotImplementedt typRH R2 R= R6 RI t abct abstractmethodRL RN ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRF � s t DNS01Responsec B s e Z d Z d Z d � Z RS( s ACME dns-01 challenge response.s dns-01c C s, | j | | � } | s( t j d � n | S( s� Simple verify. This method no longer checks DNS records and is a simple wrapper around `KeyAuthorizationChallengeResponse.verify`. :param challenges.DNS01 chall: Corresponding challenge. :param unicode 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 s4 Verification of key authorization in response failed( RB R R ( R R? t domainR@ t verified( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt simple_verify� s ( R R R RP RV ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRS � s t DNS01c B s5 e Z d Z e Z e j Z d Z d � Z d � Z RS( s ACME dns-01 challenge.s _acme-challengec K s4 t j t j | j | � j d � � j � � j � S( sW Generate validation. :param JWK account_key: :rtype: unicode s utf-8( R R; t hashlibt sha256R6 R: t digestR> ( R RG t unused_kwargs( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRL � s c C s d j | j | � S( sk Domain name for TXT validation record. :param unicode name: Domain name being validated. s {0}.{1}( t formatt LABEL( R t name( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt validation_domain_name s ( R R R RS RH RP R] RL R_ ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRW � s t HTTP01Responsec B s, e Z d Z d Z d Z d Z d d � Z RS( s ACME http-01 challenge response.s http-01iP s c C s0 | j | | � s# t j d � t S| d k rd | | j k rd t j d | � | d j | � 7} n | j | � } t j d | j | � y t j | d t �} Wn- t j j k r� } t j d | | � t SXt j d | | j | j � | j j | j � } | j | k r,t j d | j | � t St S( s� Simple verify. :param challenges.SimpleHTTP chall: Corresponding challenge. :param unicode 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. :returns: ``True`` iff validation with the files currently served by the HTTP server is successful. :rtype: bool s4 Verification of key authorization in response faileds4 Using non-standard port for http-01 verification: %ss :{0}s Verifying %s at %s...RB s Unable to reach %s: %ss Received %s: %s. Headers: %ssE Key authorization from response (%r) doesn't match HTTP response (%r)N( RB R R R9 RD t PORTt warningR\ t uriRP t requestst gett exceptionst RequestExceptionR t textt headerst rstript WHITESPACE_CUTSETR6 R0 ( R R? RT R@ t portRc t http_responseR t challenge_response( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRV s. N( R R R RP Ra Rk RD RV ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR` s t HTTP01c B sD e Z d Z e Z e j Z d Z e d � � Z d � Z d � Z RS( s ACME http-01 challenge.s .well-known/acme-challengec C s d | j d | j d � S( sT Path (starting with '/') for provisioned resource. :rtype: string R( R# ( t URI_ROOT_PATHR: ( R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt pathS s c C s d | | j S( s� Create an URI to the provisioned resource. Forms an URI to the HTTPS server provisioned resource (containing :attr:`~SimpleHTTP.token`). :param unicode domain: Domain name being verified. :rtype: string s http://( Rq ( R RT ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRc \ s c K s | j | � S( sW Generate validation. :param JWK account_key: :rtype: unicode ( R6 ( R RG R[ ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRL h s ( R R R R` RH RP Rp R1 Rq Rc RL ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRo J s t TLSALPN01Responsec B sn e Z d Z d Z d Z d Z d Z e d � � Z d d d � Z d d d � Z d � Z d d d d � Z RS( s$ ACME tls-alpn-01 challenge response.s tls-alpn-01i� s 1.3.6.1.5.5.7.1.30.1s acme-tls/1c C s t j | j j d � � j � S( s* Hash value stored in challenge certificates utf-8( RX RY R6 R: RZ ( R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt h� s i c C s� | d k r. t j � } | j t j | � n d t j | j d � } t j | j d t d | �} t j | | g d t d | g �| f S( s� Generate tls-alpn-01 certificate. :param unicode 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` s DER:t hext criticalt valuet force_sant extensionsN( RD R t PKeyt generate_keyt TYPE_RSAt codecsR: Rs t X509Extensiont ID_PE_ACME_IDENTIFIER_V1R0 R t gen_ss_cert( R RT t keyt bitst der_valuet acme_extension( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt gen_cert� s c C sq | d k r1 t j | � } t j d | | � n | d k rI | j } n t j d | d | d | d | j g � S( s� Probe tls-alpn-01 challenge certificate. :param unicode domain: domain being validated, required. :param string host: IP address used to probe the certificate. :param int port: Port used to probe the certificate. s %s resolved to %st hostRl R^ t alpn_protocolsN( RD t sockett gethostbynameR R Ra R t probe_snit ACME_TLS_1_PROTOCOL( R RT R� Rl ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt probe_cert� s c C s� t j | � } t j d | j d � | � t | � d k sY | d j � | j � k r] t SxT t | j � � D]@ } | j | � } | j � d k rp | j � } | | j k Sqp Wt S( s Verify tls-alpn-01 challenge certificate. :param unicode domain: Domain name being validated. :param OpensSSL.crypto.X509 cert: Challenge certificate. :returns: Whether the certificate was successfully verified. :rtype: bool s Certificate %s. SANs: %sRY i i t UNDEF( R t _pyopenssl_cert_or_req_all_namesR R RZ R8 t lowerR9 t ranget get_extension_countt get_extensiont get_short_namet get_dataRs ( R RT t certt namest it extt data( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt verify_cert� s . c C s� | j | | � s# t j d � t S| d k r� y" | j d | d | d | � } Wq� t j k r� } t j t | � d t �t SXn | j | | � S( s� 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 s4 Verification of key authorization in response failedRT R� Rl t exc_infoN( RB R R R9 RD R� R t Errort strR0 R� ( R R? RT R@ R� R� Rl R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRV � s "N( R R R RP Ra R~ R� R1 Rs RD R� R� R� RV ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRr r s t TLSALPN01c B s5 e Z d Z e Z e j Z d � Z e d � � Z RS( s ACME tls-alpn-01 challenge.c K s1 | j | � j d | j d � d | j d � � S( s� Generate validation. :param JWK account_key: :param unicode 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` R� t cert_keyRT ( RI R� Re ( R RG RK ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyRL � s c C s" t t j d � o! t t j d � S( si 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 t set_alpn_protost set_alpn_select_callback( t hasattrR t Connectiont Context( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt is_supported s ( R R R Rr RH RP RL t staticmethodR� ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR� � s t DNSc B sD e Z d Z d Z d Z e j d � Z d � Z d � Z d � Z RS( s ACME "dns" challenge.t dnss _acme-challengec K s7 t j j d | j d t � j d � d | d | | � S( s� Generate validation. :param .JWK account_key: Private account key. :param .JWA alg: :returns: This challenge wrapped in `.JWS` :rtype: .JWS t payloadt sort_keyss utf-8R� t alg( R t JWSt signt json_dumpsR0 R: ( R RG R� RK ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt gen_validation s c C sg | j d | � s t Sy# | | j | j j d � � k SWn' t j k rb } t j d | � t SXd S( sw Check validation. :param JWS validation: :param JWK account_public_key: :rtype: bool R� s utf-8s& Checking validation for DNS failed: %sN( RB R9 t json_loadsR� R> R t DeserializationErrorR R ( R RL R@ R ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt check_validation) s c K s t d | j | | � � S( s� Generate response. :param .JWK account_key: Private account key. :param .JWA alg: :rtype: DNSResponse RL ( t DNSResponseR� ( R RG RK ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt gen_response: s c C s d j | j | � S( sk Domain name for TXT validation record. :param unicode name: Domain name being validated. s {0}.{1}( R\ R] ( R R^ ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR_ F s ( R R R RP R] R t RS256R� R� R� R_ ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR� s R� c B s8 e Z d Z d Z e j d d e j j �Z d � Z RS( s@ ACME "dns" challenge response. :param JWS validation: R� RL R% c C s | j | j | � S( s~ Check validation. :param challenges.DNS chall: :param JWK account_public_key: :rtype: bool ( R� RL ( R R? R@ ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR� Z s ( R R R RP R R+ R� R RL R� ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyR� O s (, R RQ R| R- RX t loggingR� t cryptography.hazmat.primitivesR t josepyR Rd t sixt OpenSSLR R t acmeR R R t acme.mixinsR R t getLoggerR R t TypedJSONObjectWithFieldsR R R R" R2 t add_metaclasst ABCMetaRF t registerRS RW R` Ro Rr R� R� R� ( ( ( s3 /usr/lib/python2.7/site-packages/acme/challenges.pyt <module> sP /@ = ' { $ ;
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