B
    CVvgð  ã               @   sp   d dl Z d dlmZ d dlmZ d dlmZ d dlmZ d dl	m
Z
 d dlmZ d dlmZ G d	d
„ d
eƒZdS )é    N)Úimport_module)Úsettings)ÚUpdateError)ÚSessionInterrupted)Úpatch_vary_headers)ÚMiddlewareMixin)Ú	http_datec                   s.   e Zd Zd‡ fdd„	Zdd„ Zdd„ Z‡  ZS )	ÚSessionMiddlewareNc                s"   t ƒ  |¡ ttjƒ}|j| _d S )N)ÚsuperÚ__init__r   r   ZSESSION_ENGINEÚSessionStore)ÚselfZget_responseZengine)Ú	__class__© úF/tmp/pip-install-o3oxmrkh/Django/django/contrib/sessions/middleware.pyr      s    
zSessionMiddleware.__init__c             C   s   |j  tj¡}|  |¡|_d S )N)ÚCOOKIESÚgetr   ÚSESSION_COOKIE_NAMEr   Úsession)r   ÚrequestÚsession_keyr   r   r   Úprocess_request   s    z!SessionMiddleware.process_requestc       	      C   s0  y|j j}|j j}|j  ¡ }W n tk
r2   |S X tj|jkrj|rj|jtjtj	tj
tjd� t|dƒ nÂ|rxt|dƒ |s„tj�r,|�s,|j  ¡ ržd}d}n|j  ¡ }t ¡ | }t|ƒ}|jdk�r,y|j  ¡  W n tk
rò   tdƒ‚Y nX |jtj|j j||tj
tj	tj�pdtj�p"dtjd�	 |S )zå
        If request.session was modified, or if the configuration is to save the
        session every time, save the changes and set a session cookie or delete
        the session cookie if the session has been emptied.
        )ÚpathÚdomainÚsamesite)ÚCookieNiô  z‚The request's session was deleted before the request completed. The user may have logged out in a concurrent request, for example.)Úmax_ageÚexpiresr   r   ÚsecureÚhttponlyr   )r   ÚaccessedÚmodifiedZis_emptyÚAttributeErrorr   r   r   Zdelete_cookieZSESSION_COOKIE_PATHZSESSION_COOKIE_DOMAINZSESSION_COOKIE_SAMESITEr   ZSESSION_SAVE_EVERY_REQUESTZget_expire_at_browser_closeZget_expiry_ageÚtimer   Ústatus_codeÚsaver   r   Ú
set_cookier   ZSESSION_COOKIE_SECUREZSESSION_COOKIE_HTTPONLY)	r   r   Úresponser    r!   Úemptyr   r   Zexpires_timer   r   r   Úprocess_response   sJ    






z"SessionMiddleware.process_response)N)Ú__name__Ú
__module__Ú__qualname__r   r   r)   Ú__classcell__r   r   )r   r   r	      s   r	   )r#   Ú	importlibr   Zdjango.confr   Z%django.contrib.sessions.backends.baser   Z"django.contrib.sessions.exceptionsr   Zdjango.utils.cacher   Zdjango.utils.deprecationr   Zdjango.utils.httpr   r	   r   r   r   r   Ú<module>   s   