B
    4\'                 @   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	m
Z
mZmZ ddlmZ ddlmZ ddlmZ d	Zd
Zdd ZG dd deZG dd deZG dd deZG dd deZdS )z]
requests.auth
~~~~~~~~~~~~~

This module contains the authentication handlers for Requests.
    N)	b64encode   )urlparsestr
basestring)extract_cookies_to_jar)to_native_string)parse_dict_headerz!application/x-www-form-urlencodedzmultipart/form-datac             C   s   t | ts&tjd| td t| } t |tsLtjd|td t|}t | tr`| d} t |trt|d}dtt	d
| |f  }|S )zReturns a Basic Auth string.zNon-string usernames will no longer be supported in Requests 3.0.0. Please convert the object you've passed in ({!r}) to a string or bytes object in the near future to avoid problems.)categoryzNon-string passwords will no longer be supported in Requests 3.0.0. Please convert the object you've passed in ({!r}) to a string or bytes object in the near future to avoid problems.latin1zBasic    :)
isinstancer   warningswarnformatDeprecationWarningr   encoder   r   joinstrip)usernamepasswordZauthstr r   ,lib/python3.7/site-packages/requests/auth.py_basic_auth_str   s&    






r   c               @   s   e Zd ZdZdd ZdS )AuthBasez4Base class that all auth implementations derive fromc             C   s   t dd S )NzAuth hooks must be callable.)NotImplementedError)selfrr   r   r   __call__K   s    zAuthBase.__call__N)__name__
__module____qualname____doc__r   r   r   r   r   r   H   s   r   c               @   s0   e Zd ZdZdd Zdd Zdd Zdd	 Zd
S )HTTPBasicAuthz?Attaches HTTP Basic Authentication to the given Request object.c             C   s   || _ || _d S )N)r   r   )r   r   r   r   r   r   __init__R   s    zHTTPBasicAuth.__init__c             C   s(   t | jt|dd k| jt|dd kgS )Nr   r   )allr   getattrr   )r   otherr   r   r   __eq__V   s    zHTTPBasicAuth.__eq__c             C   s
   | |k S )Nr   )r   r'   r   r   r   __ne__\   s    zHTTPBasicAuth.__ne__c             C   s   t | j| j|jd< |S )NAuthorization)r   r   r   headers)r   r   r   r   r   r   _   s    zHTTPBasicAuth.__call__N)r   r    r!   r"   r$   r(   r)   r   r   r   r   r   r#   O   s
   r#   c               @   s   e Zd ZdZdd ZdS )HTTPProxyAuthz=Attaches HTTP Proxy Authentication to a given Request object.c             C   s   t | j| j|jd< |S )NzProxy-Authorization)r   r   r   r+   )r   r   r   r   r   r   g   s    zHTTPProxyAuth.__call__N)r   r    r!   r"   r   r   r   r   r   r,   d   s   r,   c               @   sP   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dd ZdS )HTTPDigestAuthz@Attaches HTTP Digest Authentication to the given Request object.c             C   s   || _ || _t | _d S )N)r   r   	threadingZlocal_thread_local)r   r   r   r   r   r   r$   o   s    zHTTPDigestAuth.__init__c             C   s@   t | jds<d| j_d| j_d| j_i | j_d | j_d | j_d S )NinitT r   )hasattrr/   r0   
last_noncenonce_countchalposnum_401_calls)r   r   r   r   init_per_thread_stateu   s    z$HTTPDigestAuth.init_per_thread_statec                s  | j jd }| j jd }| j jd}| j jd}| j jd}d |dkrTd}n| }|dksl|dkrzd	d
 }	|	 n@|dkrdd }
|
 n*|dkrdd }| n|dkrdd }|  fdd} dkrdS d}t|}|jpd}|jr|d|j 7 }d| j|| jf }d||f } |} |}|| j j	krJ| j  j
d7  _
nd| j _
d| j j
 }t| j j
d}||d7 }|t d7 }|td7 }t| dd }|dkrЈ d|||f }|s||d||f }n<|dksd|d kr"d!|||d|f }|||}ndS || j _	d"| j||||f }|rT|d#| 7 }|rf|d$| 7 }|rx|d%| 7 }|r|d&||f 7 }d'| S )(z
        :rtype: str
        realmnonceqop	algorithmopaqueNZMD5zMD5-SESSc             S   s"   t | tr| d} t|  S )Nzutf-8)r   r   r   hashlibZmd5	hexdigest)xr   r   r   md5_utf8   s    

z4HTTPDigestAuth.build_digest_header.<locals>.md5_utf8ZSHAc             S   s"   t | tr| d} t|  S )Nzutf-8)r   r   r   r>   sha1r?   )r@   r   r   r   sha_utf8   s    

z4HTTPDigestAuth.build_digest_header.<locals>.sha_utf8zSHA-256c             S   s"   t | tr| d} t|  S )Nzutf-8)r   r   r   r>   Zsha256r?   )r@   r   r   r   sha256_utf8   s    

z7HTTPDigestAuth.build_digest_header.<locals>.sha256_utf8zSHA-512c             S   s"   t | tr| d} t|  S )Nzutf-8)r   r   r   r>   Zsha512r?   )r@   r   r   r   sha512_utf8   s    

z7HTTPDigestAuth.build_digest_header.<locals>.sha512_utf8c                s    d| |f S )Nz%s:%sr   )sd)	hash_utf8r   r   <lambda>       z4HTTPDigestAuth.build_digest_header.<locals>.<lambda>/?z%s:%s:%sz%s:%sr   z%08xzutf-8      Zauth,z%s:%s:%s:%s:%sz>username="%s", realm="%s", nonce="%s", uri="%s", response="%s"z, opaque="%s"z, algorithm="%s"z, digest="%s"z , qop="auth", nc=%s, cnonce="%s"z	Digest %s)r/   r5   getupperr   pathZqueryr   r   r3   r4   r   r   timeZctimeosurandomr>   rB   r?   split)r   methodurlr9   r:   r;   r<   r=   Z
_algorithmrA   rC   rD   rE   ZKDZentdigZp_parsedrR   ZA1ZA2ZHA1ZHA2ZncvaluerF   ZcnonceZrespdigZnoncebitbaser   )rH   r   build_digest_header   s~    

z"HTTPDigestAuth.build_digest_headerc             K   s   |j rd| j_dS )z)Reset num_401_calls counter on redirects.r   N)Zis_redirectr/   r7   )r   r   kwargsr   r   r   handle_redirect   s    zHTTPDigestAuth.handle_redirectc             K   s"  d|j   krdk s$n d| j_|S | jjdk	rB|jj| jj |jdd}d|	 kr| jjdk r| j jd7  _t
jd	t
jd
}t|jd|dd| j_|j |  |j }t|j|j|j ||j | |j|j|jd< |jj|f|}|j| ||_|S d| j_|S )zo
        Takes the given response and tries digest-auth, if needed.

        :rtype: requests.Response
        i  i  r   Nzwww-authenticater1   Zdigest   zdigest )flags)countr*   )Zstatus_coder/   r7   r6   Zrequestbodyseekr+   rP   lowerrecompile
IGNORECASEr	   subr5   Zcontentclosecopyr   Z_cookiesrawZprepare_cookiesrZ   rW   rX   Z
connectionsendhistoryappend)r   r   r[   Zs_authZpatZprepZ_rr   r   r   
handle_401   s.    	
zHTTPDigestAuth.handle_401c             C   s~   |    | jjr&| |j|j|jd< y|j | j_	W n t
k
rT   d | j_	Y nX |d| j |d| j d| j_|S )Nr*   Zresponser   )r8   r/   r3   rZ   rW   rX   r+   r`   tellr6   AttributeErrorZregister_hookrm   r\   r7   )r   r   r   r   r   r     s    zHTTPDigestAuth.__call__c             C   s(   t | jt|dd k| jt|dd kgS )Nr   r   )r%   r   r&   r   )r   r'   r   r   r   r(   *  s    zHTTPDigestAuth.__eq__c             C   s
   | |k S )Nr   )r   r'   r   r   r   r)   0  s    zHTTPDigestAuth.__ne__N)r   r    r!   r"   r$   r8   rZ   r\   rm   r   r(   r)   r   r   r   r   r-   l   s   
f,r-   )r"   rT   rc   rS   r>   r.   r   base64r   compatr   r   r   Zcookiesr   Z_internal_utilsr   Zutilsr	   ZCONTENT_TYPE_FORM_URLENCODEDZCONTENT_TYPE_MULTI_PARTr   objectr   r#   r,   r-   r   r   r   r   <module>   s$   ,