U
    ٲg-!                     @   s  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mZmZm	Z	 d dl
mZmZ zd dlZW n ek
rt   dZY nX dddddgZd	  ZzejjZejZW n ek
r   e ZZY nX edk	oeeefkZzd d
lmZmZ W nR ek
r:   zd dlmZ d dlmZ W n ek
r4   dZdZY nX Y nX esRG dd deZesjdddZdd ZG dd deZG dd deZd ddZ dd Z!e!dd Z"dd Z#dd Z$dS )!    N)urllibhttp_clientmapfilter)ResolutionErrorExtractionErrorVerifyingHTTPSHandlerfind_ca_bundleis_available
cert_paths
opener_fora  
/etc/pki/tls/certs/ca-bundle.crt
/etc/ssl/certs/ca-certificates.crt
/usr/share/ssl/certs/ca-bundle.crt
/usr/local/share/certs/ca-root.crt
/etc/ssl/cert.pem
/System/Library/OpenSSL/certs/cert.pem
/usr/local/share/certs/ca-root-nss.crt
/etc/ssl/ca-bundle.pem
)CertificateErrormatch_hostname)r   )r   c                   @   s   e Zd ZdS )r   N)__name__
__module____qualname__ r   r   :/tmp/pip-unpacked-wheel-aqb5epr1/setuptools/ssl_support.pyr   5   s   r      c           
      C   s   g }| sdS |  d}|d }|dd }|d}||krLtdt|  |s`|  | kS |dkrt|d n>|d	s|d	r|t| n|t|	d
d |D ]}|t| qt
dd| d tj}	|	|S )zqMatching according to RFC 6125, section 6.4.3

        https://tools.ietf.org/html/rfc6125#section-6.4.3
        F.r   r   N*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)splitcountr   reprlowerappend
startswithreescapereplacecompilejoin
IGNORECASEmatch)
dnhostnamemax_wildcardspatspartsleftmost	remainder	wildcardsfragpatr   r   r   _dnsname_match;   s,    


r.   c                 C   s   | st dg }| dd}|D ]*\}}|dkr t||r@ dS || q |s| ddD ]6}|D ],\}}|dkrdt||r  dS || qdq\t|dkrtd	|d
tt|f n*t|dkrtd||d f ntddS )a=  Verify that *cert* (in decoded format as returned by
        SSLSocket.getpeercert()) matches the *hostname*.  RFC 2818 and RFC 6125
        rules are followed, but IP addresses are not accepted for *hostname*.

        CertificateError is raised on failure. On success, the function
        returns nothing.
        zempty or no certificatesubjectAltNamer   DNSNsubject
commonNamer   z&hostname %r doesn't match either of %sz, zhostname %r doesn't match %rr   z=no appropriate commonName or subjectAltName fields were found)	
ValueErrorgetr.   r   lenr   r!   r   r   )certr%   dnsnamessankeyvaluesubr   r   r   r   o   s2    


r   c                   @   s    e Zd ZdZdd Zdd ZdS )r   z=Simple verifying handler: no auth, subclasses, timeouts, etc.c                 C   s   || _ t|  d S N)	ca_bundleHTTPSHandler__init__)selfr=   r   r   r   r?      s    zVerifyingHTTPSHandler.__init__c                    s      fdd|S )Nc                    s   t |  jf|S r<   )VerifyingHTTPSConnr=   )hostkwr@   r   r   <lambda>       z2VerifyingHTTPSHandler.https_open.<locals>.<lambda>)do_open)r@   reqr   rD   r   
https_open   s    
 z VerifyingHTTPSHandler.https_openN)r   r   r   __doc__r?   rI   r   r   r   r   r      s   c                   @   s    e Zd ZdZdd Zdd ZdS )rA   z@Simple verifying connection: no auth, subclasses, timeouts, etc.c                 K   s   t j| |f| || _d S r<   )HTTPSConnectionr?   r=   )r@   rB   r=   rC   r   r   r   r?      s    zVerifyingHTTPSConn.__init__c                 C   s   t | j| jft| dd }t| drHt| dd rH|| _|   | j}n| j}tt	drxt	j
| jd}|j||d| _nt	j|t	j| jd| _zt| j | W n. tk
r   | jt j | j   Y nX d S )Nsource_address_tunnel_tunnel_hostcreate_default_context)cafile)server_hostname)	cert_reqsca_certs)socketcreate_connectionrB   portgetattrhasattrsockrM   rN   sslrO   r=   wrap_socketCERT_REQUIREDr   getpeercertr   shutdown	SHUT_RDWRclose)r@   rY   actual_hostctxr   r   r   connect   s.    
 

  
zVerifyingHTTPSConn.connectN)r   r   r   rJ   r?   rc   r   r   r   r   rA      s   rA   c                 C   s   t jt| pt jS )z@Get a urlopen() replacement that uses ca_bundle for verification)r   requestbuild_openerr   r	   open)r=   r   r   r   r      s    c                    s   t   fdd}|S )Nc                     s   t  ds | | _ jS )Nalways_returns)rX   rg   )argskwargsfuncr   r   wrapper   s    
zonce.<locals>.wrapper)	functoolswraps)rk   rl   r   rj   r   once   s    ro   c                     sZ   zdd l } W n tk
r"   Y d S X G  fddd| j   }|d |d |jS )Nr   c                       s,   e Zd Z fddZ fddZ  ZS )z"get_win_certfile.<locals>.CertFilec                    s   t  |   t| j d S r<   )superr?   atexitregisterr`   rD   CertFile	__class__r   r   r?      s    z+get_win_certfile.<locals>.CertFile.__init__c                    s,   zt  |   W n tk
r&   Y nX d S r<   )rp   r`   OSErrorrD   rs   r   r   r`      s    z(get_win_certfile.<locals>.CertFile.close)r   r   r   r?   r`   __classcell__r   rt   )ru   r   rt      s   rt   CAROOT)wincertstoreImportErrorrt   Zaddstorename)r{   Z	_wincertsr   rx   r   get_win_certfile   s    

r~   c                  C   s$   t tjjt} t p"t| dp"t S )z*Return an existing CA bundle path, or NoneN)r   ospathisfiler   r~   next_certifi_where)Zextant_cert_pathsr   r   r   r	      s    c                
   C   s.   zt d W S  tttfk
r(   Y nX d S )Ncertifi)
__import__wherer|   r   r   r   r   r   r   r      s    r   )r   )N)%r   rT   rq   r   rm   Zsetuptools.extern.six.movesr   r   r   r   pkg_resourcesr   r   rZ   r|   __all__stripr   r   rd   r>   rK   AttributeErrorobjectr
   r   r   Zbackports.ssl_match_hostnamer3   r.   r   rA   r   ro   r~   r	   r   r   r   r   r   <module>   sZ   
   

4)(
	

