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o �h�- � @ s� d dl Z d dlZd dlmZmZ d dlmZ d dlmZ d dlm Z d dl m Z d dl m Z ejej ZG dd � d e�ZG d d � d e�ZG d d � d �ZdS )� N)�datetime� timedelta)�settings)�signing)�timezone)�get_random_string)� import_stringc @ � e Zd ZdZdS )� CreateErrorz� Used internally as a consistent exception type to catch from save (see the docstring for SessionBase.save() for details). N��__name__� __module__� __qualname__�__doc__� r r �[/usr/local/CyberPanel/lib/python3.10/site-packages/django/contrib/sessions/backends/base.pyr s r c @ r )� UpdateErrorzF Occurs if Django tries to update a session that was deleted. Nr r r r r r s r c @ s� e Zd ZdZdZdZe� ZdVdd�Zdd� Z d d � Z d d � Z d d� Z e dd� �ZdVdd�Zefdd�Zdd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Z d-d.� Z d/d0� Z d1d2� Z d3d4� Z d5d6� Z!d7d8� Z"e e!�Z#e e!e"�Z$dWd:d;�Z%e e%�Z&d<d=� Z'd>d?� Z(d@dA� Z)dBdC� Z*dDdE� Z+dFdG� Z,dHdI� Z-dJdK� Z.dLdM� Z/dWdNdO�Z0dVdPdQ�Z1dRdS� Z2e3dTdU� �Z4dS )X� SessionBasez- Base class for all Session classes. � testcookie�workedNc C s" || _ d| _d| _ttj�| _d S )NF)� _session_key�accessed�modifiedr r �SESSION_SERIALIZER� serializer��self� session_keyr r r �__init__+ s zSessionBase.__init__c C � || j v S �N��_session�r �keyr r r � __contains__1 � zSessionBase.__contains__c C s | j | S r r! r# r r r � __getitem__4 r& zSessionBase.__getitem__c C s || j |< d| _d S �NT�r" r �r r$ �valuer r r � __setitem__7 s zSessionBase.__setitem__c C s | j |= d| _d S r( r) r# r r r � __delitem__; s zSessionBase.__delitem__c C s d| j j S )Nzdjango.contrib.sessions.)� __class__r �r r r r �key_salt? s zSessionBase.key_saltc C s | j �||�S r )r" �get)r r$ �defaultr r r r1 C s zSessionBase.getc C s: | j p|| jv | _ || ju rdn|f}| jj|g|�R � S )Nr )r r" �_SessionBase__not_given�pop)r r$ r2 �argsr r r r4 F s zSessionBase.popc C s( || j v r | j | S d| _|| j |< |S r( r) r* r r r � setdefaultK s zSessionBase.setdefaultc C s | j | | j< d S r )�TEST_COOKIE_VALUE�TEST_COOKIE_NAMEr/ r r r �set_test_cookieS s zSessionBase.set_test_cookiec C s | � | j�| jkS r )r1 r8 r7 r/ r r r �test_cookie_workedV s z SessionBase.test_cookie_workedc C s | | j = d S r )r8 r/ r r r �delete_test_cookieY s z SessionBase.delete_test_cookiec C s t j|| j| jdd�S )zGReturn the given session dictionary serialized and encoded as a string.T)�saltr �compress)r �dumpsr0 r )r � session_dictr r r �encode\ s �zSessionBase.encodec C sT z t j|| j| jd�W S t jy t�d�}|�d� Y i S ty) Y i S w )N)r< r z!django.security.SuspiciousSessionzSession data corrupted) r �loadsr0 r � BadSignature�logging� getLogger�warning� Exception)r � session_data�loggerr r r �decodee s � ��zSessionBase.decodec C s | j �|� d| _d S r( )r" �updater )r �dict_r r r rJ s s zSessionBase.updatec C r r r! r# r r r �has_keyw r& zSessionBase.has_keyc C � | j �� S r )r" �keysr/ r r r rN z r& zSessionBase.keysc C rM r )r" �valuesr/ r r r rO } r& zSessionBase.valuesc C rM r )r" �itemsr/ r r r rP � r& zSessionBase.itemsc C s i | _ d| _d| _d S r( )�_session_cacher r r/ r r r �clear� s zSessionBase.clearc C s( z | j o| j W S ty Y dS w )zBReturn True when there is no session_key and the session is empty.T)r rQ �AttributeErrorr/ r r r �is_empty� s �zSessionBase.is_emptyc C s t dt�}| �|�s |S q)z)Return session key that isn't being used.T� )r �VALID_KEY_CHARS�existsr r r r �_get_new_session_key� s �z SessionBase._get_new_session_keyc C s | j d u r | �� | _ | j S r )r rX r/ r r r �_get_or_create_session_key� s z&SessionBase._get_or_create_session_keyc C s |ot |�dkS )z� Key must be truthy and at least 8 characters long. 8 characters is an arbitrary lower bound for some minimal key security. � )�lenr# r r r �_validate_session_key� s z!SessionBase._validate_session_keyc C s | j S r )�_SessionBase__session_keyr/ r r r �_get_session_key� � z SessionBase._get_session_keyc C s | � |�r || _dS d| _dS )zV Validate session key on assignment. Invalid values will set to None. N)r\ r] �r r+ r r r �_set_session_key� s z SessionBase._set_session_keyFc C sL d| _ z| jW S ty% | jdu s|r i | _Y | jS | �� | _Y | jS w )z� Lazily load session from storage (unless "no_load" is True, when only an empty dict is stored) and store it in the current instance. TN)r rQ rS r �load)r �no_loadr r r � _get_session� s ��zSessionBase._get_sessionc C s t jS r )r �SESSION_COOKIE_AGEr/ r r r �get_session_cookie_age� r_ z"SessionBase.get_session_cookie_agec K s� z|d }W n t y t�� }Y nw z|d }W n t y( | �d�}Y nw |s/| �� S t|ttf�s8|S t|t�rBt�|�}|| }|j d |j S )z�Get the number of seconds until the session expires. Optionally, this function accepts `modification` and `expiry` keyword arguments specifying the modification and expiry of the session. � modification�expiry�_session_expiryi�Q ) �KeyErrorr �nowr1 rf � isinstancer �str� fromisoformat�days�seconds)r �kwargsrg rh �deltar r r �get_expiry_age� s$ � � zSessionBase.get_expiry_agec K s� z|d }W n t y t�� }Y nw z|d }W n t y( | �d�}Y nw t|t�r0|S t|t�r:t�|�S |p?| �� }|t |d� S )z�Get session the expiry date (as a datetime object). Optionally, this function accepts `modification` and `expiry` keyword arguments specifying the modification and expiry of the session. rg rh ri )rp ) rj r rk r1 rl r rm rn rf r )r rq rg rh r r r �get_expiry_date� s � � zSessionBase.get_expiry_datec C s^ |du rz| d= W dS t y Y dS w t|t�r t�� | }t|t�r)|�� }|| d< dS )a* Set a custom expiration for the session. ``value`` can be an integer, a Python ``datetime`` or ``timedelta`` object or ``None``. If ``value`` is an integer, the session will expire after that many seconds of inactivity. If set to ``0`` then the session will expire on browser close. If ``value`` is a ``datetime`` or ``timedelta`` object, the session will expire at that specific future time. If ``value`` is ``None``, the session uses the global session expiry policy. Nri )rj rl r r rk r � isoformatr` r r r � set_expiry� s �� zSessionBase.set_expiryc C s | � d� }du r tjS |dkS )a Return ``True`` if the session is set to expire when the browser closes, and ``False`` if there's an expiry date. Use ``get_expiry_date()`` or ``get_expiry_age()`` to find the actual expiry date/age, if there is one. ri Nr )r1 r � SESSION_EXPIRE_AT_BROWSER_CLOSE)r rh r r r �get_expire_at_browser_close s z'SessionBase.get_expire_at_browser_closec C s | � � | �� d| _dS )zc Remove the current session data from the database and regenerate the key. N)rR �deleter r/ r r r �flush! s zSessionBase.flushc C s0 | j }| j}| �� || _|r| �|� dS dS )zU Create a new session key, while retaining the current session data. N)r" r �createrQ ry )r �datar$ r r r � cycle_key* s �zSessionBase.cycle_keyc C � t d��)zF Return True if the given session_key already exists. z9subclasses of SessionBase must provide an exists() method��NotImplementedErrorr r r r rW 7 � �zSessionBase.existsc C r~ )z� Create a new session instance. Guaranteed to create a new object with a unique key and will have saved the result once (with empty data) before the method returns. z8subclasses of SessionBase must provide a create() methodr r/ r r r r{ ? � �zSessionBase.createc C r~ )z� Save the session data. If 'must_create' is True, create a new session object (or raise CreateError). Otherwise, only update an existing object and don't create one (raise UpdateError if needed). z6subclasses of SessionBase must provide a save() methodr )r � must_creater r r �saveI r� zSessionBase.savec C r~ )zx Delete the session data under this key. If the key is None, use the current session key value. z8subclasses of SessionBase must provide a delete() methodr r r r r ry S s �zSessionBase.deletec C r~ )z@ Load the session data and return a dictionary. z6subclasses of SessionBase must provide a load() methodr r/ r r r rb \ r� zSessionBase.loadc C r~ )a Remove expired sessions from the session store. If this operation isn't possible on a given backend, it should raise NotImplementedError. If it isn't necessary, because the backend has a built-in expiration mechanism, it should be a no-op. z.This backend does not support clear_expired().r )�clsr r r � clear_expiredd s zSessionBase.clear_expiredr )F)5r r r r r8 r7 �objectr3 r r% r' r, r- �propertyr0 r1 r4 r6 r9 r: r; r@ rI rJ rL rN rO rP rR rT rX rY r\ r^ ra r r rd r" rf rs rt rv rx rz r} rW r{ r� ry rb � classmethodr� r r r r r ! sd r )rC �stringr r � django.confr � django.corer � django.utilsr �django.utils.cryptor �django.utils.module_loadingr �ascii_lowercase�digitsrV rF r r r r r r r �<module> s
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