a
    |f&Z                     @   s  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 d dlm	Z
 d dlmZ d dlmZ d dlmZmZmZmZmZmZmZmZmZmZm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%m&Z&m'Z'm(Z( ddl)m*Z*m+Z+ ddl,m-Z-m.Z. ddl/m0Z0 ddl1m2Z2 ddl3m4Z4 ddl5m6Z6 ddl7m8Z8m9Z9 dZ:erZddl;m<Z< ee'e.dedge6f Z=ee6gee9 f Z>e'dde&i i dddde?d
Z@G dd deAZBG dd deAZCejDdddd G d!d" d"ZEeee'eEf e.f ZFG d#d de!ZGdS )$    N)deque)suppress)escape)
HTTPStatus)Logger)TYPE_CHECKINGAny	AwaitableCallableDequeOptionalSequenceTupleTypeUnioncast   )AbstractAccessLoggerAbstractStreamWriter)BaseProtocol)ceil_timeout)HttpProcessingErrorHttpRequestParserHttpVersion10RawRequestMessageStreamWriter)access_loggerserver_logger)EMPTY_PAYLOADStreamReader)tcp_keepalive)HTTPException)AccessLogger)BaseRequest)ResponseStreamResponse)RequestHandlerRequestPayloadErrorPayloadAccessError)Serverr&   zasyncio.Task[None]UNKNOWN/TFc                   @   s   e Zd ZdZdS )r'   zPayload parsing error.N__name__
__module____qualname____doc__ r1   r1   ND:\Projects\storyit_web\backend\venv\Lib\site-packages\aiohttp/web_protocol.pyr'   N   s   r'   c                   @   s   e Zd ZdZdS )r(   z-Payload was accessed after response was sent.Nr,   r1   r1   r1   r2   r(   R   s   r(   )auto_attribsfrozenslotsc                   @   s&   e Zd ZU eed< eed< eed< dS )_ErrInfostatusexcmessageN)r-   r.   r/   int__annotations__BaseExceptionstrr1   r1   r1   r2   r6   V   s   
r6   c                       s  e Zd ZdZdZdZddeeeej	ddddd	d
ddde
jeeeee eeeeeeeeed fddZedddZeedddZdHee ddddZe
jdd fddZee dd fddZedd d!d"Zddd#d$Ze dd%d&d'Z!edd(d)d*Z"ddd+d,Z#ddd-d.Z$e%e&edd/d0d1Z'eedd2d3d4Z(eedd2d5d6Z)ddd7d8Z*e%ee+e%ge,e& f e-e&ef d9d:d;Z.ddd<d=Z/e%e&eed>d?d@Z0dIe%eee ee e&dBdCdDZ1e2e+e%ge,e& f dEdFdGZ3  Z4S )Jr&   a  HTTP protocol implementation.

    RequestHandler handles incoming HTTP request. It reads request line,
    request headers and request payload and calls handle_request() method.
    By default it always returns with 404 response.

    RequestHandler handles errors in incoming request, like bad
    status line, bad headers or incomplete payload. If any error occurs,
    connection gets closed.

    keepalive_timeout -- number of seconds before closing
                         keep-alive connection

    tcp_keepalive -- TCP keep-alive is on, default is on

    debug -- enable debug mode

    logger -- custom logger object

    access_log_class -- custom class for access_logger

    access_log -- custom logging object

    access_log_format -- access log format string

    loop -- Optional event loop

    max_line_size -- Optional maximum header line size

    max_field_size -- Optional maximum header field size

    max_headers -- Optional maximum header size

    r   )_request_count
_keepalive_manager_request_handler_request_factory_tcp_keepalive_keepalive_time_keepalive_handle_keepalive_timeout_lingering_time	_messages_message_tail_waiter_task_handler_upgrade_payload_parser_request_parserZ_reading_pausedloggerdebug
access_logr   _close_force_close_current_requestg     R@TFi  i   g      $@i   )keepalive_timeoutr    rO   access_log_classrQ   access_log_formatrP   max_line_sizemax_headersmax_field_sizelingering_timeread_bufsizeauto_decompressr)   )managerlooprU   r    rO   rV   rQ   rW   rP   rX   rY   rZ   r[   r\   r]   c             
      s   t  | d| _d| _d | _|| _|j| _|j| _	|| _
d| _d | _|| _t|| _t | _d| _d | _d | _d| _d | _t| |||
||t|d| _|| _|	| _|| _|r|||| _nd | _d| _d| _d S )Nr   Fg            )rX   rZ   rY   Zpayload_exceptionr]   ) super__init__r>   r?   rT   r@   request_handlerrA   Zrequest_factoryrB   rC   rD   rE   rF   floatrG   r   rH   rI   rJ   rK   rL   rM   r   r'   rN   rO   rP   rQ   r   rR   rS   )selfr^   r_   rU   r    rO   rV   rQ   rW   rP   rX   rY   rZ   r[   r\   r]   	__class__r1   r2   rb      sL    
zRequestHandler.__init__)returnc                 C   s   d | jj| jd urdndS )Nz<{} {}>	connectedZdisconnected)formatrg   r-   	transportre   r1   r1   r2   __repr__   s    zRequestHandler.__repr__c                 C   s   | j S N)rF   rl   r1   r1   r2   rU      s    z RequestHandler.keepalive_timeout      .@N)timeoutrh   c              
      s   d| _ | jdur| j  | jr*| j  ttjtj t|4 I dH P | j	durf| j	
t  | jdur| j s| jI dH  W d  I dH  q1 I dH s0    Y  W d   n1 s0    Y  | jdur| j  | jdur| j  d| _dS )zDo worker process exit preparations.

        We need to clean up everything and stop accepting requests.
        It is especially important for keep-alive connections.
        TN)rS   rE   cancelrJ   r   asyncioCancelledErrorTimeoutErrorr   rT   _cancelrK   donerk   close)re   rp   r1   r1   r2   shutdown   s     



T



zRequestHandler.shutdown)rk   rh   c                    sX   t  | ttj|}| jr&t| | j| 	 | _
| jd usFJ | j| | d S rn   )ra   connection_mader   rr   	TransportrC   r    _loopcreate_taskstartrK   r@   )re   rk   Zreal_transportrf   r1   r2   ry     s    zRequestHandler.connection_made)r8   rh   c                    s   | j d u rd S | j | | t | d | _ d| _d | _d | _d | _| jd urZ| j  | j	d ur|d u rtt
d}| j	| | jd ur| j  d | _| jd ur| j  d | _d S )NTzConnection lost)r@   connection_lostra   rS   rB   rA   rN   rE   rq   rT   ConnectionResetErrorru   rJ   rK   rM   Zfeed_eof)re   r8   rf   r1   r2   r~     s*    







zRequestHandler.connection_lost)parserrh   c                 C   s2   | j d u sJ || _ | jr.| j | j d| _d S )Nr`   )rM   rI   	feed_data)re   r   r1   r1   r2   
set_parser7  s
    zRequestHandler.set_parserc                 C   s   d S rn   r1   rl   r1   r1   r2   eof_receivedA  s    zRequestHandler.eof_received)datarh   c           
   
   C   sD  | j s| jrd S | jd u r| js| jd us.J z| j|\}}}W nB ty } z*td||jdt	fg}d}d}W Y d }~n
d }~0 0 |pdD ]&\}}|  j
d7  _
| j||f q| j}|r|d ur| s|d  || _|r|r|| _nN| jd u r| jr|r|  j|7  _n$|r@| j|\}	}|	r@|   d S )Ni  )r7   r8   r9   Fr`   r1   r   )rS   rR   rM   rL   rN   r   r   r6   r9   r   r>   rH   appendrJ   rv   Z
set_resultrI   rw   )
re   r   messagesZupgradedtailr8   msgpayloadwaitereofr1   r1   r2   data_receivedD  s4    
zRequestHandler.data_received)valrh   c                 C   s    || _ | jr| j  d| _dS )zMSet keep-alive connection mode.

        :param bool val: new state.
        N)r?   rE   rq   )re   r   r1   r1   r2   
keep_alivek  s    
zRequestHandler.keep_alivec                 C   s   d| _ | jr| j  dS )zClose connection.

        Stop accepting new pipelining messages and close
        connection when handlers done processing messages.
        TN)rR   rJ   rq   rl   r1   r1   r2   rw   u  s    zRequestHandler.closec                 C   s4   d| _ | jr| j  | jdur0| j  d| _dS )zForcefully close connection.TN)rS   rJ   rq   rk   rw   rl   r1   r1   r2   force_close  s    


zRequestHandler.force_close)requestresponsetimerh   c                 C   s(   | j d ur$| j ||| j |  d S rn   )r   logr{   r   )re   r   r   r   r1   r1   r2   
log_access  s    
zRequestHandler.log_access)argskwrh   c                 O   s   | j r| jj |i | d S rn   )rP   rO   re   r   r   r1   r1   r2   	log_debug  s    zRequestHandler.log_debugc                 O   s   | j j|i | d S rn   )rO   	exceptionr   r1   r1   r2   log_exception  s    zRequestHandler.log_exceptionc                 C   sT   | j s| jsd S | j| j }| jr<| j |kr<|   d S | j| j	| j
| _d S rn   )rS   r?   rD   rF   rJ   r{   r   r   Z
call_laterKEEPALIVE_RESCHEDULE_DELAY_process_keepaliverE   )re   nextr1   r1   r2   r     s    z!RequestHandler._process_keepalive)r   
start_timerc   rh   c              
      sZ  | j d usJ z,z|| _||I d H }W d | _nd | _0 W n tyv } z$|}| |||I d H }W Y d }~nd }~0  tjy    Y n tjy } z:| jd|d | |d}| |||I d H }W Y d }~n~d }~0  t	y" } z.| |d|}| |||I d H }W Y d }~n8d }~0 0 t
|ddr>tdt | |||I d H }||fS )NzRequest handler timed out.exc_infoi    Z__http_exception__Fzlreturning HTTPException object is deprecated (#2415) and will be removed, please raise the exception instead)rA   rT   r!   finish_responserr   rs   rt   r   handle_error	ExceptiongetattrwarningswarnDeprecationWarning)re   r   r   rc   respr8   resetr1   r1   r2   _handle_request  s2    ((*zRequestHandler._handle_requestc              
      s  | j }| j}|dusJ | j}|dus*J | j}d}| jdusBJ | jdusPJ | js| jszHz| | _	| j	I dH  W n" t
jy   Y W d| _	qY n0 W d| _	nd| _	0 | j \}}| }| jd7  _t| |}	t|tr| |}
t}n| j}
| ||| |	|}z$z| j | |||
}z|I dH \}}W n t
jtfy   | d Y W W | jdu r|dur| d nX| js| jr| js|dur| j  }|| _| jdu r||| | j| _nqqY n0 ~|r~| d W W | jdu r"|dur"| d nX| js| jr| js|durz| j  }|| _| jdu rz||| | j| _nqqt|j | _|! s| j"}| jsf|rf| d| | }|| }t#t
j$t
j |! sF||k rFt%|| 4 I dH & |& I dH  W d  I dH  q:1 I dH s00    Y  | }qW d   n1 s\0    Y  |! s| js| d | '  |(t)  W n t
jy<   | d Y W | jdu r|dur| d nX| js| jr| js|dur4| j  }|| _| jdu r4||| | j| _nqqY n~ t*y~ } z*| j+rb| j,d	|d
 | -  W Y d}~nDd}~0  t.y } z"| j,d|d
 | -  W Y d}~n
d}~0 0 W | jdu r|dur| d nX| js| jr| js|dur6| j  }|| _| jdu r6||| | j| _nqqP| jdu rZ|durZ| d n`| js| jr| js|dur| j  }|| _| jdu r||| | j| _n   Y q0 qP| jsd| _| jdur| j'  dS )a_  Process incoming request.

        It reads request line, request headers and request payload, then
        calls handle_request() method. Subclass has to override
        handle_request(). start() handles various exceptions in request
        or response handling. Connection is being closed always unless
        keep_alive(True) specified.
        Nr   z&Ignored premature client disconnectionz'Ignored premature client disconnection.z(Ignored premature client disconnection 2z'Start lingering close timer for %s sec.zUncompleted request.z'Ignored premature client disconnection zUnhandled runtime exceptionr   zUnhandled exception)/r{   rK   r@   rF   rB   rA   rS   rH   Zcreate_futurerJ   rr   rs   popleftr   Zrequests_countr   
isinstancer6   _make_error_handlerERRORr|   r   ConnectionErrorr   rk   r?   rR   rD   rE   Zcall_atr   boolr   Zis_eofrG   r   rt   r   Zreadanyrw   Zset_exceptionr(   RuntimeErrorrP   r   r   r   )re   r_   handlerr^   rU   r   r9   r   r}   writerrc   r   taskr   nowr[   Zend_tr8   r1   r1   r2   r}     s   	




/




)



<,

	


 





zRequestHandler.start)r   r   r   rh   c                    s   | j dur6| j d d| _| jr6| j | j d| _z
|j}W n2 tyr   |du r`tdntd|Y n0 z ||I dH  |	 I dH  W n" t
y   | ||| Y dS 0 | ||| dS dS )a   Prepare the response and write_eof, then log access.

        This has to
        be called within the context of any exception so the access logger
        can get exception information. Returns True if the client disconnects
        prematurely.
        NFr`   z+Missing return statement on request handlerz7Web-handler should return a response instance, got {!r}T)rN   Zset_upgradedrL   rI   r   prepareAttributeErrorr   rj   	write_eofr   r   )re   r   r   r   Zprepare_methr1   r1   r2   r   G  s0    




zRequestHandler.finish_responser   )r   r7   r8   r9   rh   c           
      C   s   | j d|d |jjdkr"tdd}|tjkrdtj}tjj}d}| jr~t	t
 t }W d   n1 st0    Y  d|jd	d
v r|rt|}d| d}dj||d}d}n|r|}|d | }t|||d}	|	  |	S )zHandle errors.

        Returns HTTP response with specific status code. Logs additional
        information. It always closes current connection.
        zError handling requestr   r   zMResponse is sent already, cannot send another response with the error messagez
text/plainz{0.value} {0.phrase}Nz	text/htmlAccept z<h2>Traceback:</h2>
<pre>z</pre>zV<html><head><title>{title}</title></head><body>
<h1>{title}</h1>
{msg}
</body></html>
)titler   z

)r7   textcontent_type)r   r   Zoutput_sizer   r   INTERNAL_SERVER_ERRORrj   descriptionrP   r   r   	traceback
format_excheadersgethtml_escaper$   r   )
re   r   r7   r8   r9   ctr   r   tbr   r1   r1   r2   r   l  s8    

&zRequestHandler.handle_error)err_inforh   c                    s   t td fdd}|S )N)r   rh   c                    s    |  j j jS rn   )r   r7   r8   r9   )r   r   re   r1   r2   r     s    z3RequestHandler._make_error_handler.<locals>.handler)r#   r%   )re   r   r   r1   r   r2   r     s    z"RequestHandler._make_error_handler)ro   )r   NN)5r-   r.   r/   r0   r   	__slots__r   r"   r   Z
LOG_FORMATrr   ZAbstractEventLooprd   r   r   r   r   r=   r:   rb   rm   propertyrU   r   rx   ZBaseTransportry   r<   r~   r   r   r   bytesr   r   rw   r   r#   r%   r   r   r   r   r
   r	   r   r   r}   r   r   r6   r   __classcell__r1   r1   rf   r2   r&   `   s   #!C
'



'z(   4)Hrr   Zasyncio.streamsr   r   collectionsr   
contextlibr   htmlr   r   httpr   loggingr   typingr   r   r	   r
   r   r   r   r   r   r   r   attrZyarlabcr   r   Zbase_protocolr   Zhelpersr   r   r   r   r   r   r   r   r   Zstreamsr   r   Ztcp_helpersr    Zweb_exceptionsr!   Zweb_logr"   Zweb_requestr#   Zweb_responser$   r%   __all__Z
web_serverr)   Z_RequestFactoryZ_RequestHandlerURLr   r   r'   r(   sr6   Z_MsgTyper&   r1   r1   r1   r2   <module>   sl   4