o
    e5                     @   s   d dl Z d dlZd dlZ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 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 edZ dd Z!G dd deZ"G dd dej#Z$dS )    N)aclosing)ThreadSensitiveContextsync_to_async)settings)signals)RequestAbortedRequestDataTooBig)base)FileResponseHttpRequestHttpResponseHttpResponseBadRequestHttpResponseServerError	QueryDictparse_cookie)set_script_prefix)cached_propertyzdjango.requestc                 C   s   t jrt jS | ddpdS )zM
    Return the script prefix to use from either the scope or a setting.
    	root_path )r   FORCE_SCRIPT_NAMEget)scope r   L/var/www/html/venv/lib/python3.10/site-packages/django/core/handlers/asgi.pyget_script_prefix   s   r   c                       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 | _t|| _| jr|d | j| _n|d | _| jr8d| jd| j	dddf | _
n|d | _
| j d  | _| j dd}t|trU| }| 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r| j d d | jd< t| j d d | jd< n
d| jd< d| jd< | j dg D ]9\}}|d}|dkrd}n|dkrd}n
d| 	dd }|d}|| jv r| j| d | }|| j|< q| | j || _d | _d S )NFpathz%s/%s/r      methodquery_stringT)REQUEST_METHODQUERY_STRINGSCRIPT_NAME	PATH_INFOzwsgi.multithreadzwsgi.multiprocessclientr   REMOTE_ADDRREMOTE_HOSTREMOTE_PORTserverSERVER_NAMESERVER_PORTunknown0headerslatin1zcontent-lengthCONTENT_LENGTHzcontent-typeCONTENT_TYPEzHTTP_%s-_,)r   _post_parse_error_read_startedresolver_matchr   script_nameremoveprefix	path_inforstripreplacer   upperr    r   
isinstancebytesdecodeMETAstr_set_content_type_params_stream)selfr   	body_filer!   namevaluecorrected_namer   r   r   __init__0   s`   





	





zASGIRequest.__init__c                 C   s   t | jd S )Nr#   )r   rB   rF   r   r   r   GETs   s   zASGIRequest.GETc                    s   | j dp
t  S )Nscheme)r   r   super_get_schemerL   	__class__r   r   rP   w   s   zASGIRequest._get_schemec                 C      t | ds	|   | jS )N_post)hasattr_load_post_and_filesrT   rL   r   r   r   	_get_postz      
zASGIRequest._get_postc                 C   s
   || _ d S N)rT   )rF   postr   r   r   	_set_post   s   
zASGIRequest._set_postc                 C   rS   )N_files)rU   rV   r\   rL   r   r   r   
_get_files   rX   zASGIRequest._get_filesc                 C   s   t | jddS )NHTTP_COOKIEr   )r   rB   r   rL   r   r   r   COOKIES   s   zASGIRequest.COOKIESc                    s   t    | j  d S rY   )rO   closerE   rL   rQ   r   r   r`      s   
zASGIRequest.close)__name__
__module____qualname____doc__body_receive_timeoutrK   r   rM   rP   rW   r[   r]   propertyPOSTFILESr_   r`   __classcell__r   r   rQ   r   r   &   s    C


r   c                       sx   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dd Zdd Z fddZdd Zedd Z  ZS )ASGIHandlerzHandler for ASGI requests.i   c                    s   t    | jdd d S )NT)is_async)rO   rK   load_middlewarerL   rQ   r   r   rK      s   
zASGIHandler.__init__c              	      sr   |d dkrt d|d  t 4 I dH  | |||I dH  W d  I dH  dS 1 I dH s2w   Y  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)rF   r   receivesendr   r   r   __call__   s   
.zASGIHandler.__call__c           
   	      sF  z
  |I dH }W n
 ty   Y dS w tt| tjj j|dI dH   ||\}}|du rC|	   
||I dH  dS  fdd}t |t|||g}tj|tjdI dH  |D ]6}	|	 rz|	  W qf ty{   Y qf ty   |	   w |	  z|	I dH  W qf tjy   Y qfw |	  dS )zK
        Handles the ASGI request. Called via the __call__ method.
        N)senderr   c                    s(     | I d H } ||I d H  d S rY   )run_get_responsesend_response)requestrr   responserL   r   r   process_request   s   z+ASGIHandler.handle.<locals>.process_request)return_when)	read_bodyr   r   r   r   request_startedasendrR   create_requestr`   rv   asynciocreate_tasklisten_for_disconnectwaitFIRST_COMPLETEDdoneresultAssertionErrorcancelCancelledError)
rF   r   rq   rr   rG   rw   error_responsery   taskstaskr   rL   r   rp      sF   
zASGIHandler.handlec                    s0   | I dH }|d dkrt  J d|d  )z&Listen for disconnect from the client.Nrm   http.disconnectFz+Invalid ASGI message after request body: %s)r   )rF   rq   messager   r   r   r      s
   z!ASGIHandler.listen_for_disconnectc                    s0   |  |I dH }| j|_t|tr| j|_|S )zGet async response.N)get_response_asyncrR   _handler_classr?   r
   
chunk_size
block_size)rF   rw   rx   r   r   r   ru      s   
zASGIHandler.run_get_responsec                    sn   t jtjdd}	 | I dH }|d dkr|  t d|v r(||d  |dd	s/nq
|d
 |S )z+Reads an HTTP body from an ASGI connection.zw+b)max_sizemodeTNrm   r   body	more_bodyFr   )	tempfileSpooledTemporaryFiler   FILE_UPLOAD_MAX_MEMORY_SIZEr`   r   writer   seek)rF   rq   rG   r   r   r   r   r{      s    
zASGIHandler.read_bodyc                 C   sh   z	|  ||dfW S  ty#   tjdt ddid dt f Y S  ty3   dtdddf Y S w )	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sysr   r   r   r   )rF   r   rG   r   r   r   r~   
  s   zASGIHandler.create_requestc                    s@   z	t  |||W S  ty   ttjrt nddd Y S w )z#Last-chance handler for exceptions.zInternal Server Errorz
text/plain)content_type)rO   handle_uncaught_exception	Exceptionr   r   DEBUG	traceback
format_exc)rF   rw   resolverr   rQ   r   r   r     s   
z%ASGIHandler.handle_uncaught_exceptionc              	      s~  g }|  D ]#\}}t|tr|d}t|tr|d}|t|t|f q|j D ]}|d|jddd	 f q0|d|j
|dI dH  |jrtt|4 I dH *}|2 z3 dH W }| |D ]\}	}
|d	|	d
dI dH  qjq_6 W d  I dH  n1 I dH sw   Y  |dd	iI dH  n| |jD ]\}	}|d	|	| dI dH  qt|jd
d I dH  dS )z)Encode and send a response out over ASGI.asciir0   s
   Set-Cookier   )headerzhttp.response.start)rm   r   r/   Nzhttp.response.bodyT)rm   r   r   rm   )thread_sensitive)itemsr?   rC   encodeappendr@   cookiesvaluesoutputstripr   	streamingr   aiterchunk_bytescontentr   r`   )rF   rx   rr   response_headersr   rI   cr   partchunkr4   lastr   r   r   rv   '  sP   




(zASGIHandler.send_responsec                 c   sh    d}|s|dfV  dS |t |k r2|||| j  || j t |kfV  || j7 }|t |k sdS dS )z
        Chunks some data up so it can be sent in reasonable size messages.
        Yields (chunk, last_chunk) tuples.
        r   TN)lenr   )clsdatapositionr   r   r   r   _  s   

zASGIHandler.chunk_bytes)ra   rb   rc   rd   r   r   r   rK   rs   rp   r   ru   r{   r~   r   rv   classmethodr   ri   r   r   rQ   r   rj      s    68rj   )%r   loggingr   r   r   
contextlibr   asgiref.syncr   r   django.confr   django.corer   django.core.exceptionsr   r   django.core.handlersr	   django.httpr
   r   r   r   r   r   r   django.urlsr   django.utils.functionalr   	getLoggerr   r   r   BaseHandlerrj   r   r   r   r   <module>   s$    $	
	m