U
    BShu!                     @   s  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Zd dl	m
Z
mZ zd dlZW n ek
rl   dZY nX dddddgZd  ZzejjZej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
r4   zd d
lmZ d dlmZ W n ek
r.   dZdZY nX Y nX esLG dd deZesdd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)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   I/root/rtd-docs/venv/lib/python3.8/site-packages/setuptools/ssl_support.pyr	   7   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   mapr   )certr!   dnsnamessankeyvaluesubr   r   r   r
   s   s>    


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 r9   )VerifyingHTTPSConnr:   )hostkwr=   r   r   <lambda>       z2VerifyingHTTPSHandler.https_open.<locals>.<lambda>)do_open)r=   reqr   rA   r   
https_open   s    
z VerifyingHTTPSHandler.https_openN)r   r   r   __doc__r<   rF   r   r   r   r   r      s   c                   @   s    e Zd ZdZdd Zdd ZdS )r>   z@Simple verifying connection: no auth, subclasses, timeouts, etc.c                 K   s   t j| |f| || _d S r9   )HTTPSConnectionr<   r:   )r=   r?   r:   r@   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_connectionr?   portgetattrhasattrsockrJ   rK   sslrL   r:   wrap_socketCERT_REQUIREDr
   getpeercertr	   shutdown	SHUT_RDWRclose)r=   rV   actual_hostctxr   r   r   connect   s.    
 

  
zVerifyingHTTPSConn.connectN)r   r   r   rG   r<   r`   r   r   r   r   r>      s   r>   c                 C   s   t jt| pt jS )z@Get a urlopen() replacement that uses ca_bundle for verification)urllib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)rU   re   )argskwargsfuncr   r   wrapper   s    
zonce.<locals>.wrapper)	functoolswraps)ri   rj   r   rh   r   once   s    rm   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 r9   )superr<   atexitregisterr]   rA   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 r9   )rn   r]   OSErrorrA   rq   r   r   r]      s    z(get_win_certfile.<locals>.CertFile.close)r   r   r   r<   r]   __classcell__r   rr   )rs   r   rr      s   rr   CAROOT)wincertstoreImportErrorrr   Zaddstorename)ry   Z	_wincertsr   rv   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)filter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__whererz   r   r   r   r   r   r   r     s    r   )r   )N)%r~   rQ   ro   r   rk   urllib.requestra   http.clienthttppkg_resourcesr   r   rW   rz   __all__stripr   r   rb   r;   clientrH   AttributeErrorobjectr   r	   r
   Zbackports.ssl_match_hostnamer/   r*   r   r>   r   rm   r|   r   r   r   r   r   r   <module>   sb   
   
 
6*(
	

