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3 �Pf & � @ s� d Z ddlZddlZddlZddlZddlZddlZddlmZ ddl m Z m Z m Z ddl mZ ddlmZ ddlmZ d Zd Zd d � ZG d d� de�ZG dd� de�ZG dd� de�ZG dd� de�ZdS )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-urlencodedzmultipart/form-datac C s� t | t�s&tjdj| �td� t| �} t |t�sLtjdj|�td� t|�}t | t�r`| jd�} t |t�rt|jd�}dtt dj | |f��j � � }|S )z Returns a Basic Auth string.z�Non-string usernames will no longer be supported in Requests 3.0.0. Please convert the object you've passed in ({0!r}) to a string or bytes object in the near future to avoid problems.)�categoryz�Non-string passwords will no longer be supported in Requests 3.0.0. Please convert the object you've passed in ({0!r}) to a string or bytes object in the near future to avoid problems.�latin1zBasic � :) � isinstancer �warnings�warn�format�DeprecationWarningr �encoder r �join�strip)�username�passwordZauthstr� r �/usr/lib/python3.6/auth.py�_basic_auth_str s& r c @ s e Zd ZdZdd� ZdS )�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 zAuthBase.__call__N)�__name__� __module__� __qualname__�__doc__r r r r r r H s r c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd 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 zHTTPBasicAuth.__init__c C s( t | jt|dd �k| jt|dd �kg�S )Nr r )�allr �getattrr )r �otherr r r �__eq__V s zHTTPBasicAuth.__eq__c C s | |k S )Nr )r r' r r r �__ne__\ s zHTTPBasicAuth.__ne__c C s t | j| j�|jd< |S )N� Authorization)r r r �headers)r r r r r r _ s zHTTPBasicAuth.__call__N)r r r! r" r$ r( r) r r r r r r# O s r# c @ s e Zd ZdZdd� ZdS )� HTTPProxyAuthz=Attaches HTTP Proxy Authentication to a given Request object.c C s t | j| j�|jd< |S )NzProxy-Authorization)r r r r+ )r r r r r r g s zHTTPProxyAuth.__call__N)r r r! r" r r r r r r, d s r, c @ sP e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dS )�HTTPDigestAuthz@Attaches HTTP Digest Authentication to the given Request object.c C s || _ || _tj� | _d S )N)r r � threadingZlocal� _thread_local)r r r r r r r$ o s zHTTPDigestAuth.__init__c C s@ t | jd�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 sj | j jd }| j jd }| j jjd�}| j jjd�}| j jjd�}d� |dkrTd}n|j� }|dksl|dkrzd d � } | � n|d kr�d d � } | � � fdd�} � dkr�dS d} t|�} | jp�d}| jr�|d| j 7 }d| j|| jf }d||f }� |�}� |�}|| j j k�r | j j d7 _ nd| j _ d| j j }t | j j �j d�}||j d�7 }|t j� j d�7 }|tjd�7 }tj|�j� dd� }|dk�r�� d|||f �}|�s�| |d||f �}n<|dk�s�d|jd�k�r�d|||d|f }| ||�}ndS || j _ d | j||||f }|�r(|d | 7 }|�r:|d | 7 }| �rL|d | 7 }|�rb|d ||f 7 }d!| S )"z :rtype: str �realm�nonce�qop� algorithm�opaqueNZMD5zMD5-SESSc S s" t | t�r| jd�} tj| �j� S )Nzutf-8)r r r �hashlibZmd5� hexdigest)�xr r r �md5_utf8� s z4HTTPDigestAuth.build_digest_header.<locals>.md5_utf8ZSHAc S s" t | t�r| jd�} tj| �j� S )Nzutf-8)r r r r> �sha1r? )r@ r r r �sha_utf8� s z4HTTPDigestAuth.build_digest_header.<locals>.sha_utf8c s � d| |f �S )Nz%s:%sr )�s�d)� hash_utf8r r �<lambda>� s z4HTTPDigestAuth.build_digest_header.<locals>.<lambda>�/�?z%s:%s:%sz%s:%sr z%08xzutf-8� � Zauth�,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 �pathZqueryr r r3 r4 r r �timeZctime�os�urandomr> rB r? �split)r �method�urlr9 r: r; r< r= Z _algorithmrA rC ZKDZentdigZp_parsedrO ZA1ZA2ZHA1ZHA2ZncvaluerD ZcnonceZrespdigZnoncebit�baser )rF r �build_digest_header sr z"HTTPDigestAuth.build_digest_headerc K s |j rd| j_dS )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 kodk n s&d| j_|S | jjdk rD|jjj| jj� |jjdd�}d|j � koh| jjdk �r| j jd7 _t j d t j d �}t |jd|dd ��| j_|j |j� |jj� }t|j|j|j� |j|j� | j|j|j�|jd < |jj|f|�}|j j |� ||_|S d| j_|S ) zo Takes the given response and tries digest-auth, if needed. :rtype: requests.Response i� i� r Nzwww-authenticater1 Zdigest� zdigest )�flags)�countr* ) Z status_coder/ r7 r6 Zrequest�body�seekr+ rM �lower�re�compile� IGNORECASEr �subr5 Zcontent�close�copyr Z_cookies�rawZprepare_cookiesrW rT rU Z connection�send�history�append)r r rX Zs_authZpatZprepZ_rr r r � handle_401� s. zHTTPDigestAuth.handle_401c C s~ | j � | jjr&| j|j|j�|jd< y|jj� | j_ W n t k rT d | j_ Y nX |j d| j � |j d| j � d| j_|S )Nr* Zresponser )r8 r/ r3 rW rT rU r+ r] �tellr6 �AttributeErrorZ register_hookrj rY r7 )r r r r r r s zHTTPDigestAuth.__call__c C s( t | jt|dd �k| jt|dd �kg�S )Nr r )r% r r& r )r r' r r r r( s zHTTPDigestAuth.__eq__c C s | |k S )Nr )r r' r r r r) $ s zHTTPDigestAuth.__ne__N) r r r! r" r$ r8 rW rY rj r r( r) r r r r r- l s Z,r- )r" rQ r` rP r> r. r �base64r �compatr r r Zcookiesr Z_internal_utilsr Zutilsr Z CONTENT_TYPE_FORM_URLENCODEDZCONTENT_TYPE_MULTI_PARTr �objectr r# r, r- r r r r �<module> s$ ,
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