o
    ThD                     @   s   d dl Z d dlZd dlZd dlmZmZmZ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 d dlmZmZ d dlmZ d dlmZmZ dZdZdZd	Zed
ee ZedZ edZ!edZ"G dd dZ#G dd de#Z$dS )    N)ChunkedReaderLengthReader	EOFReaderBody)
InvalidHeaderInvalidHeaderName
NoMoreDataInvalidRequestLineInvalidRequestMethodInvalidHTTPVersionLimitRequestLineLimitRequestHeadersUnsupportedTransferCodingObsoleteFolding)InvalidProxyLineForbiddenProxyRequest)InvalidSchemeHeaders)bytes_to_strsplit_request_urii  i   z!#$%&'*+-.^_`|~z[%s0-9a-zA-Z]+z[a-z#]zHTTP/(\d)\.(\d)z[\0\r\n]c                   @   s>   e Zd Zdd Zdd Zdd Zddd	Zd
d Zdd ZdS )Messagec                 C   s   || _ || _|| _|| _d | _g | _g | _d | _|jrdnd| _	d| _
|j| _| jdks1| jtkr4t| _|j| _| jdk r@t| _| jpDt}| j|d  d | _| | j}| j| |   d S )NhttpshttpFr         )cfgunreader	peer_addrremote_addrversionheaderstrailersbodyis_sslscheme
must_closelimit_request_fieldsMAX_HEADERSlimit_request_field_sizeDEFAULT_MAX_HEADERFIELD_SIZEmax_buffer_headersparseunreadset_body_reader)selfr   r   r   max_header_field_sizeunused r0   W/var/www/html/pro-man-master/venv/lib/python3.10/site-packages/gunicorn/http/message.py__init__"   s4   



zMessage.__init__c                 C   s
   d| _ d S )NT)r$   r-   r0   r0   r1   force_close@   s   
zMessage.force_closec                 C   s   t  N)NotImplementedError)r-   r   r0   r0   r1   r*   C   s   zMessage.parseFc                 C   sN  | j }g }dd |dD }d}i }g }|rnd|jv s+t| jtr+| jd |jv r1|j}|j}|r%t|| j	kr?t
d|d}	t|	td }
|	d	dkrWt|	|	d	d
\}}| j jrh|d}t|sqt|| }|dg}|r|d dr| j jst||d}	|
t|	td 7 }
|
| j  krdkrt
d ||	d |r|d dsd|}t|rt||
| j  krdkrt
d ||v r||| k}|rdnd}|r|| jkrt nd}|| _d|v r||v sd|v rn| j jdkrn| j jdkrq1t||||f |s4|S )Nc                 S      g | ]}t |qS r0   r   ).0liner0   r0   r1   
<listcomp>K       z)Message.parse_headers.<locals>.<listcomp>   
F*r   zlimit request headers fieldsz
:    	) 	z!limit request headers fields sizez	 rB   r   r   T_	dangerousdrop) r   splitforwarded_allow_ips
isinstancer   tuplesecure_scheme_headersforwarder_headerslenr%   r   popfindr   strip_header_spacesrstripTOKEN_RE	fullmatchr   upperstrip
startswithpermit_obsolete_foldingr   r'   appendjoin!RFC9110_5_5_INVALID_AND_DANGEROUSsearchr#   r   
header_map)r-   datafrom_trailerr   r   linesscheme_headerrK   rL   currheader_lengthnamevaluesecurer#   r0   r0   r1   parse_headersF   s   










JzMessage.parse_headersc                 C   s  d}d }| j D ]^\}}|dkr|d urtd| d|}q|dkredd |dD }|D ]8}| dkr?|r<td| dd	}q,| d
krN|rMtd| dq,| dv ra|r\td| d|   q,t|q|r| jdk rstd| d|d ur}td| dtt| | j	| _
d S |d urzt| rt|}ntd| dW n ty   td| dw |dk rtd| dtt| j	|| _
d S tt| j	| _
d S )NFzCONTENT-LENGTH)reqzTRANSFER-ENCODINGc                 S   s   g | ]}|  qS r0   )rU   )r9   vr0   r0   r1   r;      r<   z+Message.set_body_reader.<locals>.<listcomp>,chunkedTidentity)compressdeflategzip)r@   r@   r   )r   r   rG   lowerr4   r   r   r   r   r   r!   str	isnumericint
ValueErrorr   r   )r-   rj   content_lengthrc   rd   valsvalr0   r0   r1   r,      sV   


zMessage.set_body_readerc                 C   sZ   | j rdS | jD ]\}}|dkr'| d}|dkr dS |dkr% dS  nq| jdkS )NT
CONNECTIONrA   closez
keep-aliveFr@   r   )r$   r   ro   rU   r   )r-   hrh   r0   r0   r1   should_close   s   
zMessage.should_closeNF)	__name__
__module____qualname__r2   r4   r*   rf   r,   r{   r0   r0   r0   r1   r   !   s    
c<r   c                       sf   e Zd Zd fdd	ZdddZdd Zdd
dZdd Zdd Zdd Z	dd Z
 fddZ  ZS )Requestr@   c                    s`   d | _ d | _d | _d | _d | _|j| _| jdk s| jtkr t| _|| _d | _t	 
||| d S Nr   )methoduripathqueryfragmentlimit_request_lineMAX_REQUEST_LINE
req_numberproxy_protocol_infosuperr2   )r-   r   r   r   r   	__class__r0   r1   r2      s   

zRequest.__init__Fc                 C   s0   |  }|s|rt t| || d S r5   )readStopIterationr   getvaluewrite)r-   r   bufstopr]   r0   r0   r1   get_data  s   zRequest.get_datac           	      C   sB  t  }| j||dd | ||| j\}}| t|r0t  }|| | ||| j\}}| | t  }|| |	 }|
d}|d d dk}	 |
d}|d d dk}|dk ry|sy| || |	 }t|| jkrxtdnnqP|r| j|dd   dS | j|d | d	d
| _||d d  }d }|S )NT)r   s   

r   r=   r   zmax buffer headers    F)r^   r   )ioBytesIOr   	read_liner   proxy_protocolr   r   parse_request_liner   rO   rM   r)   r   r   r+   rf   r   )	r-   r   r   r:   rbufr]   idxdoneretr0   r0   r1   r*     s>   




zRequest.parser   c                 C   s   |  }	 |d}|dkr ||  krdkrn nt||n"t|d |  kr.dkr7n ntt||| || |  }q|d | ||d d  fS )NTr=   r   r   )r   rO   r   rM   r   )r-   r   r   limitr]   r   r0   r0   r1   r   :  s   

 
zRequest.read_linec                 C   s>   | j jsdS | jdkrdS |dsdS |   | | dS )z        Detect, check and parse proxy protocol.

        :raises: ForbiddenProxyRequest, InvalidProxyLine.
        :return: True for proxy protocol line else False
        Fr@   PROXYT)r   r   r   rV   proxy_protocol_access_checkparse_proxy_protocol)r-   r:   r0   r0   r1   r   L  s   


zRequest.proxy_protocolc                 C   sD   d| j jvrt| jtr| jd | j jvr t| jd d S d S d S )Nr>   r   )r   proxy_allow_ipsrI   r   rJ   r   r3   r0   r0   r1   r   a  s   
z#Request.proxy_protocol_access_checkc                 C   sR  | d}t|dkrt||d }|d }|d }|dvr%td| |dkrEzttj| ttj| W n+ tyD   t|w |d	krezttj| ttj| W n tyd   t|w zt|d
 }t|d }W n t	y   td| w d|  krdkrn nd|  krdksn td| |||||d| _
d S )NrB      r@   r      )TCP4TCP6zprotocol '%s' not supportedr   r   r      zinvalid port %sr   i  )r   client_addrclient_port
proxy_addr
proxy_port)rG   rM   r   socket	inet_ptonAF_INETOSErrorAF_INET6rr   rs   r   )r-   r:   bitsprotos_addrd_addrs_portd_portr0   r0   r1   r   h  sH   
.zRequest.parse_proxy_protocolc                 C   s  dd | ddD }t|dkrtt||d | _| jjs?t| jr+t	| jdt|d   kr9dks?n t	| jt
| jsJt	| j| jjrT| j | _|d | _t| jdkrftt|zt| j}W n tyz   tt|w |jpd	| _|jpd	| _|jpd	| _t|d }|d u rt|d t|dt|df| _d
| j  krdk sn | jjst| jd S d S )Nc                 S   r7   r0   r8   )r9   bitr0   r0   r1   r;     r<   z.Request.parse_request_line.<locals>.<listcomp>    r   r   r      r@    ry   )r   r   )rG   rM   r	   r   r   r   !permit_unconventional_http_methodMETHOD_BADCHAR_REr[   r
   rR   rS   casefold_http_methodrT   r   r   rs   r   r   r   
VERSION_REr   rr   groupr   "permit_unconventional_http_version)r-   
line_bytesr   partsmatchr0   r0   r1   r     sB   






zRequest.parse_request_linec                    s2   t    t| jjtrtt| jd| _d S d S r   )	r   r,   rI   r!   readerr   r   r   r   r3   r   r0   r1   r,     s   
zRequest.set_body_reader)r@   r|   )r   )r}   r~   r   r2   r   r*   r   r   r   r   r   r,   __classcell__r0   r0   r   r1   r      s    

--7r   )%r   rer   gunicorn.http.bodyr   r   r   r   gunicorn.http.errorsr   r   r   r	   r
   r   r   r   r   r   r   r   r   gunicorn.utilr   r   r   r&   r(   RFC9110_5_6_2_TOKEN_SPECIALScompileescaperR   r   r   rZ   r   r   r0   r0   r0   r1   <module>   s&   0


 S