U
    f#/                     @   s   d dl Z d dlZd dlZd dl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 d dlmZ d dlmZmZmZmZmZmZmZ d dlmZ d d	lmZ d d
lmZ e dZG dd deZ G dd dej!Z"dS )    N)ThreadSensitiveContextsync_to_async)settings)signals)RequestAbortedRequestDataTooBig)base)FileResponseHttpRequestHttpResponseHttpResponseBadRequestHttpResponseServerError	QueryDictparse_cookie)set_script_prefix)aclosing)cached_propertyzdjango.requestc                       sz   e Zd ZdZdZdd Zedd Z fddZd	d
 Z	dd Z
dd Zee	e
ZeeZedd Z fddZ  ZS )ASGIRequestzv
    Custom request subclass that decodes from an ASGI-standard request dict
    and wraps request body handling.
    <   c                 C   s  || _ d| _d| _d | _| j dd| _| jrX|d | jrX|d t| jd  | _n
|d | _| jrd| j	d| j
dddf | _n
|d | _| j d  | _| j d	d}t|tr| }| j|| j| jd
d
d| _| j dr&| j d d | jd< | jd | jd< | j d d | jd< | j drb| j d d | jd< t| j d d | jd< nd| jd< d| jd< | j dg D ]z\}}|d}|dkrd}n$|dkrd}nd| 
dd }|d}|| jkr| j| d | }|| j|< q| | j || _d | _d S ) NF	root_path pathz%s/%s/   methodquery_stringT)REQUEST_METHODQUERY_STRINGZSCRIPT_NAMEZ	PATH_INFOzwsgi.multithreadzwsgi.multiprocessclientr   ZREMOTE_ADDRZREMOTE_HOSTZREMOTE_PORTserverZSERVER_NAMEZSERVER_PORTunknown0headerslatin1zcontent-lengthCONTENT_LENGTHzcontent-typeCONTENT_TYPEzHTTP_%s-_,)scopeZ_post_parse_errorZ_read_startedZresolver_matchgetscript_name
startswithlenZ	path_inforstripreplacer   upperr   
isinstancebytesdecodeMETAstrZ_set_content_type_params_stream)selfr)   	body_filer   namevalueZcorrected_name r;   =/tmp/pip-unpacked-wheel-_jot26k8/django/core/handlers/asgi.py__init__&   s`    




	





zASGIRequest.__init__c                 C   s   t | jd S )Nr   )r   r4   r7   r;   r;   r<   GETi   s    zASGIRequest.GETc                    s   | j dpt  S )Nscheme)r)   r*   super_get_schemer>   	__class__r;   r<   rB   m   s    zASGIRequest._get_schemec                 C   s   t | ds|   | jS )N_post)hasattr_load_post_and_filesrE   r>   r;   r;   r<   	_get_postp   s    
zASGIRequest._get_postc                 C   s
   || _ d S N)rE   )r7   postr;   r;   r<   	_set_postu   s    zASGIRequest._set_postc                 C   s   t | ds|   | jS )N_files)rF   rG   rL   r>   r;   r;   r<   
_get_filesx   s    
zASGIRequest._get_filesc                 C   s   t | jddS )NZHTTP_COOKIEr   )r   r4   r*   r>   r;   r;   r<   COOKIES   s    zASGIRequest.COOKIESc                    s   t    | j  d S rI   )rA   closer6   r>   rC   r;   r<   rO      s    
zASGIRequest.close)__name__
__module____qualname____doc__Zbody_receive_timeoutr=   r   r?   rB   rH   rK   rM   propertyPOSTZFILESrN   rO   __classcell__r;   r;   rC   r<   r      s   C


r   c                       sp   e Zd ZdZeZdZ fddZdd Zdd Z	d	d
 Z
dd Z fddZdd Zedd Zdd Z  ZS )ASGIHandlerzHandler for ASGI requests.i   c                    s   t    | jdd d S )NT)Zis_async)rA   r=   Zload_middlewarer>   rC   r;   r<   r=      s    
zASGIHandler.__init__c              
      sT   |d dkrt d|d  t 4 I dH  | |||I dH  W 5 Q I dH R X dS )zV
        Async entrypoint - parses the request and hands off to get_response.
        typehttpz5Django can only handle ASGI/HTTP connections, not %s.N)
ValueErrorr   handle)r7   r)   receivesendr;   r;   r<   __call__   s    
zASGIHandler.__call__c                    s   z|  |I dH }W n tk
r*   Y dS X t| | ttjjdd| j|dI dH  | 	||\}}|dkr|
  | ||I dH  dS | |I dH }| j|_t|tr| j|_| ||I dH  dS )zK
        Handles the ASGI request. Called via the __call__ method.
        NTZthread_sensitive)Zsenderr)   )	read_bodyr   r   get_script_prefixr   r   Zrequest_startedr]   rD   create_requestrO   send_responseZget_response_asyncZ_handler_classr1   r	   
chunk_size
block_size)r7   r)   r\   r]   r8   requestZerror_responseresponser;   r;   r<   r[      s&     
zASGIHandler.handlec                    sj   t jtjdd}| I dH }|d dkr6|  t d|krL||d  |ddsq\q|d	 |S )
z+Reads an HTTP body from an ASGI connection.zw+b)max_sizemodeNrX   zhttp.disconnectbody	more_bodyFr   )	tempfileSpooledTemporaryFiler   ZFILE_UPLOAD_MAX_MEMORY_SIZErO   r   writer*   seek)r7   r\   r8   messager;   r;   r<   r`      s     
zASGIHandler.read_bodyc                 C   sp   z|  ||dfW S  tk
rH   tjdt ddid dt f Y S  tk
rj   dtdddf Y S X dS )	z
        Create the Request object and returns either (request, None) or
        (None, response) if there is an error response.
        Nz Bad Request (UnicodeDecodeError)status_codei  )exc_infoextraz413 Payload too largei  )status)	request_classUnicodeDecodeErrorloggerwarningsysrr   r   r   r   )r7   r)   r8   r;   r;   r<   rb      s    zASGIHandler.create_requestc                    sF   zt  |||W S  tk
r@   ttjr2t nddd Y S X dS )z#Last-chance handler for exceptions.zInternal Server Errorz
text/plain)content_typeN)rA   handle_uncaught_exception	Exceptionr   r   DEBUG	traceback
format_exc)r7   rf   resolverrr   rC   r;   r<   r{      s    z%ASGIHandler.handle_uncaught_exceptionc              
      sf  g }|  D ]F\}}t|tr(|d}t|tr<|d}|t|t|f q|j D ]$}|d|jddd	 f q^|d|j
|dI dH  |jrt| 4 I dH D}|2 z63 dH W }| |D ]\}	}
|d	|	d
dI dH  qq6 W 5 Q I dH R X |dd	iI dH  n0| |jD ]"\}	}|d	|	| dI dH  q(t|jd
d I dH  dS )z)Encode and send a response out over ASGI.asciir#   s
   Set-Cookier   )headerzhttp.response.start)rX   rt   r"   Nzhttp.response.bodyT)rX   rj   rk   rX   r_   )itemsr1   r5   encodeappendr2   cookiesvaluesoutputstriprq   Z	streamingr   	__aiter__chunk_bytescontentr   rO   )r7   rg   r]   response_headersr   r:   cr   partchunkr'   lastr;   r;   r<   rc      sH    




 
zASGIHandler.send_responsec                 c   sX   d}|s|dfV  dS |t |k rT|||| j  || j t |kfV  || j7 }qdS )z
        Chunks some data up so it can be sent in reasonable size messages.
        Yields (chunk, last_chunk) tuples.
        r   TN)r-   rd   )clsdatapositionr;   r;   r<   r   *  s    
zASGIHandler.chunk_bytesc                 C   s   t jrt jS |ddpdS )zU
        Return the script prefix to use from either the scope or a setting.
        r   r   )r   ZFORCE_SCRIPT_NAMEr*   )r7   r)   r;   r;   r<   ra   ;  s    zASGIHandler.get_script_prefix)rP   rQ   rR   rS   r   ru   rd   r=   r^   r[   r`   rb   r{   rc   classmethodr   ra   rV   r;   r;   rC   r<   rW      s   8
rW   )#loggingry   rl   r~   Zasgiref.syncr   r   Zdjango.confr   Zdjango.corer   Zdjango.core.exceptionsr   r   Zdjango.core.handlersr   Zdjango.httpr	   r
   r   r   r   r   r   Zdjango.urlsr   Zdjango.utils.asyncior   Zdjango.utils.functionalr   	getLoggerrw   r   BaseHandlerrW   r;   r;   r;   r<   <module>   s   $	
m