B
    `u!                 @   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 yd dlZW n ek
rl   dZY nX dddddgZd  Zy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yd d	lmZmZ W nR ek
r4   y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   >/tmp/pip-install-4tin_oll/setuptools/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 x|D ]}|t| qW t
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}x0|D ](\}}|dkr"t||r@dS || q"W |sxF| ddD ]6}x0|D ](\}}|dkrjt||rdS || qjW q`W 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   s4    

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__)selfr9   r   r   r   r;      s    zVerifyingHTTPSHandler.__init__c                s      fdd|S )Nc                s   t |  jf|S )N)VerifyingHTTPSConnr9   )hostkw)r<   r   r   <lambda>       z2VerifyingHTTPSHandler.https_open.<locals>.<lambda>)do_open)r<   reqr   )r<   r   
https_open   s    
z VerifyingHTTPSHandler.https_openN)r   r   r   __doc__r;   rD   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 )N)HTTPSConnectionr;   r9   )r<   r>   r9   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| _y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sockrH   rI   sslrJ   r9   wrap_socketCERT_REQUIREDr
   getpeercertr	   shutdown	SHUT_RDWRclose)r<   rT   actual_hostctxr   r   r   connect   s$    

zVerifyingHTTPSConn.connectN)r   r   r   rE   r;   r^   r   r   r   r   r=      s   r=   c             C   s   t jt| pt jS )z@Get a urlopen() replacement that uses ca_bundle for verification)urllibrequestbuild_openerr   r   open)r9   r   r   r   r      s    c                s   t   fdd}|S )Nc                 s   t  ds | | _ jS )Nalways_returns)rS   rc   )argskwargs)funcr   r   wrapper   s    
zonce.<locals>.wrapper)	functoolswraps)rf   rg   r   )rf   r   once   s    rj   c                 sX   ydd l } W n tk
r    d S X G  fddd| j   }|d |d |jS )Nr   c                   s,   e Zd Z fddZ fddZ  ZS )z"get_win_certfile.<locals>.CertFilec                s   t  |   t| j d S )N)superr;   atexitregisterr[   )r<   )CertFile	__class__r   r   r;      s    z+get_win_certfile.<locals>.CertFile.__init__c                s,   yt  |   W n tk
r&   Y nX d S )N)rk   r[   OSError)r<   )rn   ro   r   r   r[      s    z(get_win_certfile.<locals>.CertFile.close)r   r   r   r;   r[   __classcell__r   )rn   )ro   r   rn      s   rn   CAROOT)wincertstoreImportErrorrn   Zaddstorename)rt   Z	_wincertsr   )rn   r   get_win_certfile   s    

rw   c              C   s$   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   rw   next_certifi_where)Zextant_cert_pathsr   r   r   r      s    
c            
   C   s,   yt d S  tttfk
r&   Y nX d S )Ncertifi)
__import__whereru   r   r   r   r   r   r   r}     s    r}   )r   )N)%ry   rO   rl   r   rh   urllib.requestr_   http.clienthttppkg_resourcesr   r   rU   ru   __all__stripr   r   r`   r:   clientrF   AttributeErrorobjectr   r	   r
   Zbackports.ssl_match_hostnamer/   r*   r   r=   r   rj   rw   r   r}   r   r   r   r   <module>   sT   



6*(
	
