o
    ˷e                     @   s   d dl Z d dlZd dlmZ d dlmZmZ d dlmZ d dl	m
Z
 d dlmZmZ G dd dejZG d	d
 d
ejZG dd dZG dd deZdS )    N)settings)BaseStorageMessage)signing)SimpleCookie)SafeData	mark_safec                       s$   e Zd ZdZdZ fddZ  ZS )MessageEncoderzI
    Compactly serialize instances of the ``Message`` class as JSON.
    __json_messagec                    sV   t |tr%t |jtrdnd}| j||j|jg}|jd ur#||j |S t 	|S )N   r   )

isinstancer   messager   message_keylevel
extra_tagsappendsuperdefault)selfobjis_safedatar   	__class__ ]/var/www/ideatree/venv/lib/python3.10/site-packages/django/contrib/messages/storage/cookie.pyr      s   

zMessageEncoder.default)__name__
__module____qualname____doc__r   r   __classcell__r   r   r   r   r	      s    r	   c                       s(   e Zd ZdZdd Z fddZ  ZS )MessageDecoderzE
    Decode JSON that includes serialized ``Message`` instances.
    c                    sz   t |tr+|r+|d tjkr"|d rt|d |d< t|dd   S  fdd|D S t |tr; fdd| D S |S )	Nr   r         c                    s   g | ]}  |qS r   process_messages).0itemr   r   r   
<listcomp>(   s    z3MessageDecoder.process_messages.<locals>.<listcomp>c                    s   i | ]
\}}|  |qS r   r#   )r%   keyvaluer'   r   r   
<dictcomp>*   s    z3MessageDecoder.process_messages.<locals>.<dictcomp>)r   listr	   r   r   r   dictitemsr   r   r   r'   r   r$   "   s   
zMessageDecoder.process_messagesc                    s   t  j|fi |}| |S )N)r   decoder$   )r   skwargsdecodedr   r   r   r0   -   s   
zMessageDecoder.decode)r   r   r   r   r$   r0   r   r   r   r   r   r       s    r    c                   @   s   e Zd Zdd Zdd ZdS )MessageSerializerc                 C   s   t j|dtddS )N),:)
separatorsclslatin-1)jsondumpsr	   encoder/   r   r   r   r;   3   s   zMessageSerializer.dumpsc                 C   s   t j|dtdS )Nr9   )r8   )r:   loadsr0   r    r   datar   r   r   r=   :   s   zMessageSerializer.loadsN)r   r   r   r;   r=   r   r   r   r   r4   2   s    r4   c                       s\   e Zd ZdZdZdZdZdZ fddZdd	 Z	d
d Z
dddZdddZdd Z  ZS )CookieStoragez%
    Store messages in a cookie.
    messagesi   __messagesnotfinished__zdjango.contrib.messagesc                    s&   t  j|i | tj| jd| _d S )N)salt)r   __init__r   get_cookie_signerkey_saltsigner)r   argsr2   r   r   r   rD   K   s   zCookieStorage.__init__c                 O   sF   | j j| j}| |}|o|d | jk }|r|s|  ||fS )a
  
        Retrieve a list of messages from the messages cookie. If the
        not_finished sentinel value is found at the end of the message list,
        remove it and return a result indicating that not all messages were
        retrieved by this storage.
        )requestCOOKIESgetcookie_name_decodenot_finishedpop)r   rH   r2   r?   rA   all_retrievedr   r   r   _getO   s   
zCookieStorage._getc                 C   sJ   |r|j | j|tjtjpdtjpdtjd dS |j| jtjtjd dS )zz
        Either set the cookie with the encoded data if there is any data to
        store, or delete the cookie.
        N)domainsecurehttponlysamesite)rS   rV   )
set_cookierM   r   SESSION_COOKIE_DOMAINSESSION_COOKIE_SECURESESSION_COOKIE_HTTPONLYSESSION_COOKIE_SAMESITEdelete_cookie)r   encoded_dataresponser   r   r   _update_cookie^   s   
	
zCookieStorage._update_cookieTc           	         s   g }|  |}| jrCt   fdd}|rC||| jkrC|r'||d n|d|  | j || jg |d}|rC||| jks| || |S )aT  
        Store the messages to a cookie and return a list of any messages which
        could not be stored.

        If the encoded data is larger than ``max_cookie_size``, remove
        messages until the data fits (these are the messages which are
        returned), and add the not_finished sentinel value to indicate as much.
        c                    s   t  | d S )Nr   )lenvalue_encode)valcookier   r   stored_length   s   z+CookieStorage._store.<locals>.stored_lengthr   )encode_empty)_encodemax_cookie_sizer   r   rP   insertrO   r_   )	r   rA   r^   remove_oldestrH   r2   unstored_messagesr]   re   r   rc   r   _stores   s   	
zCookieStorage._storeFc                 C   s   |s|r| j j|tddS dS )a  
        Return an encoded version of the messages list which can be stored as
        plain text.

        Since the data will be retrieved from the client-side, the encoded data
        also contains a hash to ensure that the data was not tampered with.
        T)
serializercompressN)rG   sign_objectr4   )r   rA   rf   r   r   r   rg      s
   zCookieStorage._encodec              
   C   sD   |sdS z	| j j|tdW S  tjtjtjfy   Y nw d| _	dS )z
        Safely decode an encoded text stream back into a list of messages.

        If the encoded text stream contained an invalid hash or was in an
        invalid format, return None.
        N)rm   T)
rG   unsign_objectr4   r   BadSignaturebinasciiErrorr:   JSONDecodeErrorusedr>   r   r   r   rN      s   zCookieStorage._decode)T)F)r   r   r   r   rM   rh   rO   rF   rD   rR   r_   rl   rg   rN   r   r   r   r   r   r@   >   s    

r@   )rr   r:   django.confr   $django.contrib.messages.storage.baser   r   django.corer   django.httpr   django.utils.safestringr   r   JSONEncoderr	   JSONDecoderr    r4   r@   r   r   r   r   <module>   s    