a
    ,MeN0                     @   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mZ d dl
mZ dZedZeeZG dd	 d	eZG d
d de jZdd Zdd Zdd Zdd ZG dd deZdS )    N)	HEADER_RE)InvalidHeaderInvalidHeaderName)SERVER_SOFTWARESERVER)utili?z[\x00-\x1F\x7F]c                   @   s   e Zd ZdddZdd ZdS )FileWrapper    c                 C   s"   || _ || _t|dr|j| _d S )Nclose)filelikeblksizehasattrr
   )selfr   r    r   A/var/www/webapp/lib/python3.9/site-packages/gunicorn/http/wsgi.py__init__   s    
zFileWrapper.__init__c                 C   s   | j | j}|r|S td S N)r   readr   
IndexError)r   keydatar   r   r   __getitem__"   s    zFileWrapper.__getitem__N)r	   )__name__
__module____qualname__r   r   r   r   r   r   r      s   
r   c                   @   s   e Zd Zdd Zdd ZdS )WSGIErrorsWrapperc                 C   s`   t d}|j}g | _|jdkr:| jtj |dd  }|D ]}t|dr>| j|j	 q>d S )Nzgunicorn.error-   stream)
logging	getLoggerhandlersstreamserrorlogappendsysstderrr   r   )r   cfgr#   r!   hr   r   r   r   +   s    


zWSGIErrorsWrapper.__init__c              	   C   sJ   | j D ]>}z|| W n" ty:   ||d Y n0 |  qd S )NzUTF-8)r"   writeUnicodeErrorencodeflush)r   r   r   r   r   r   r)   ;   s    
zWSGIErrorsWrapper.writeN)r   r   r   r   r)   r   r   r   r   r   )   s   r   c              	   C   s    t | dd| jdkdtdtdS )Nr   r   Fr   T)zwsgi.errorszwsgi.versionzwsgi.multithreadzwsgi.multiprocesszwsgi.run_oncezwsgi.file_wrapperzwsgi.input_terminatedr   )r   workersr   r   )r'   r   r   r   base_environD   s    r/   c                 C   sB   t |}|| j|| j| j| jdddd | jD  d |S )NzHTTP/%s.c                 S   s   g | ]}t |qS r   )str).0vr   r   r   
<listcomp>Y       z#default_environ.<locals>.<listcomp>)z
wsgi.inputzgunicorn.socketREQUEST_METHODZQUERY_STRINGZRAW_URIZSERVER_PROTOCOL)r/   updatebodymethodqueryurijoinversion)reqsockr'   envr   r   r   default_environQ   s    rA   c                 C   s:   | j }|si S |d |d t|d |d t|d dS )NZproxy_protocolclient_addrZclient_portZ
proxy_addrZ
proxy_port)ZPROXY_PROTOCOLREMOTE_ADDRREMOTE_PORTZ
PROXY_ADDRZ
PROXY_PORT)Zproxy_protocol_infor1   )r>   infor   r   r   proxy_environ^   s    

rF   c                 C   s  t | ||}t| ||}d }tjdd}| jD ]\}	}
|	dkrX|
 dkr|d nB|	dkrf|
}n4|	dkrt|
}n&|	dkr|
|d< q0n|	d	kr|
|d
< q0d|	dd }||v rd|| |
f }
|
||< q0| j	|d< t
|tr||d< n6t
|tr| |d< n|d |d< t|d |d< t
|tr|d}t|dkr|r|d}t|dkr| j	dkrz|d n"| j	dkr|d n
|d n
|d |d |d< t|d |d< | j}|r||dd }t||d< ||d< |t|  ||fS )NZSCRIPT_NAME ZEXPECTz100-continues   HTTP/1.1 100 Continue

ZHOSTzCONTENT-TYPEZCONTENT_TYPEzCONTENT-LENGTHZCONTENT_LENGTHZHTTP_r   _z%s,%szwsgi.url_schemerC   r   r   rD   :httpP   httpsi  ZSERVER_NAMEZSERVER_PORTZ	PATH_INFO)ResponserA   osenvirongetheaderslowersendreplacescheme
isinstancer1   bytesdecodesplitlenr$   pathr   Zunquote_to_wsgi_strr7   rF   )r>   r?   clientserverr'   resprO   hostscript_nameZhdr_nameZ	hdr_valuer   Z	path_infor   r   r   createm   sd    






ra   c                   @   sv   e Zd Zdd Zdd Zdd Zddd	Zd
d Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd ZdS )rM   c                 C   sL   || _ || _t| _d | _d| _d| _g | _d| _d | _	d| _
d| _|| _d S )NFr   )r>   r?   r   r=   statuschunked
must_closerQ   headers_sentresponse_lengthsentupgrader'   )r   r>   r?   r'   r   r   r   r      s    zResponse.__init__c                 C   s
   d| _ d S )NT)rd   r   r   r   r   force_close   s    zResponse.force_closec                 C   sT   | j s| j rdS | jd us$| jr(dS | jjdkr8dS | jdk sL| jdv rPdS dS )NTFHEAD      i0  )rd   r>   should_closerf   rc   r9   status_coderi   r   r   r   ro      s    zResponse.should_closeNc                 C   s   |r<z.| j r,| jr,t|d |d |d  W d }qNd }0 n| j d urNtd|| _ zt| j  d | _W n ty   d | _Y n0 | 	| | 
 | _| jS )Nr   r      zResponse headers already set!)rb   re   r   reraiseAssertionErrorintrY   rp   
ValueErrorprocess_headers
is_chunkedrc   r)   )r   rb   rQ   exc_infor   r   r   start_response   s    


zResponse.start_responsec                 C   s   |D ]\}}t |ts"td| t|r8td| t |tsNtd| t|rdtd| | }|	  }|dkrt
|| _nXt|r|dkr|	  dkrd| _q|dkr|	  dkr| j| |f q| j| |f qd S )Nz%r is not a stringz%rzcontent-length
connectionrh   TZ	websocket)rV   r1   	TypeErrorr   searchr   HEADER_VALUE_REr   striprR   rt   rf   r   Z
is_hoppishrh   rQ   r$   )r   rQ   namevaluelnamer   r   r   rv      s,    




zResponse.process_headersc                 C   s@   | j d urdS | jjdkrdS | jjdkr.dS | jdv r<dS dS )NFr-   rk   rm   T)rf   r>   r=   r9   rp   ri   r   r   r   rw     s    

zResponse.is_chunkedc                 C   sl   | j rd}n|  rd}nd}d| jjd | jjd | jf d| j dt  d	| g}| jrh|d
 |S )Nrh   r
   z
keep-alivezHTTP/%s.%s %s
r   r   zServer: %s
z
Date: %s
zConnection: %s
zTransfer-Encoding: chunked
)	rh   ro   r>   r=   rb   r   Z	http_daterc   r$   )r   rz   rQ   r   r   r   default_headers'  s    

zResponse.default_headersc                 C   sV   | j r
d S |  }|dd | jD  dd| }t| jt|d d| _ d S )Nc                 S   s   g | ]\}}d ||f qS )z%s: %s
r   )r2   kr3   r   r   r   r4   ?  r5   z)Response.send_headers.<locals>.<listcomp>z%s
rG   zlatin-1T)	re   r   extendrQ   r<   r   r)   r?   Zto_bytestring)r   tosendZ
header_strr   r   r   send_headers;  s    zResponse.send_headersc                 C   s   |    t|tstd| t|}|}| jd urj| j| jkrDd S t| j| j |}||k rj|d | }| jr||dkr|d S |  j|7  _t	
| j|| j d S )Nz%r is not a byter   )r   rV   rW   r{   rZ   rf   rg   minrc   r   r)   r?   )r   argZarglenr   r   r   r   r)   E  s    

zResponse.writec                 C   s   | j jduS )NF)r'   sendfileri   r   r   r   can_sendfile\  s    zResponse.can_sendfilec              	   C   s   | j js|  sdS t|js$dS |j }z:t|dtj	}| j
d u r`t|j}|| }n| j
}W n ttjfy   Y dS 0 |   |  rd| }| j|d |dkr| jj|j||d |  r| jd t||tj dS )NFr   z%X
zutf-8)offsetcounts   
T)r'   Zis_sslr   r   Z
has_filenor   filenorN   lseekSEEK_CURrf   fstatst_sizeOSErrorioUnsupportedOperationr   rw   r?   sendallr+   r   SEEK_SET)r   respiterr   r   filesizenbytes
chunk_sizer   r   r   r   _  s.    



zResponse.sendfilec                 C   s"   |  |s|D ]}| | qd S r   )r   r)   )r   r   itemr   r   r   
write_file  s    
zResponse.write_filec                 C   s&   | j s|   | jr"t| jd d S )Nr5   )re   r   rc   r   Zwrite_chunkr?   ri   r   r   r   r
     s    zResponse.close)N)r   r   r   r   rj   ro   ry   rv   rw   r   r   r)   r   r   r   r
   r   r   r   r   rM      s   

!rM   )r   r   rN   rer%   Zgunicorn.http.messager   Zgunicorn.http.errorsr   r   Zgunicornr   r   r   ZBLKSIZEcompiler}   r    r   logobjectr   	RawIOBaser   r/   rA   rF   ra   rM   r   r   r   r   <module>   s$   

T