a
    �ÏOcï-  ã                   @   sÒ   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 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e d	¡Ze d
¡Ze d¡ZG dd„ deƒZG dd„ deƒZ dS )é    N)ÚChunkedReaderÚLengthReaderÚ	EOFReaderÚBody)ÚInvalidHeaderÚInvalidHeaderNameÚ
NoMoreDataÚInvalidRequestLineÚInvalidRequestMethodÚInvalidHTTPVersionÚLimitRequestLineÚLimitRequestHeaders)ÚInvalidProxyLineÚForbiddenProxyRequest)ÚInvalidSchemeHeaders)Úbytes_to_strÚsplit_request_uriiþ  i €  z%[\x00-\x1F\x7F()<>@,;:\[\]={} \t\\\"]z[A-Z0-9$-_.]{3,20}zHTTP/(\d+)\.(\d+)c                   @   s4   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ ZdS )ÚMessagec                 C   s¶   || _ || _|| _d | _g | _g | _d | _|jr4dnd| _|j	| _	| j	dksV| j	t
kr\t
| _	|j| _| jdk rtt| _| jp|t}| j	|d  d | _|  | j¡}| j |¡ |  ¡  d S )NÚhttpsÚhttpr   é   é   )ÚcfgÚunreaderÚ	peer_addrÚversionÚheadersZtrailersÚbodyZis_sslÚschemeÚlimit_request_fieldsÚMAX_HEADERSÚlimit_request_field_sizeÚDEFAULT_MAX_HEADERFIELD_SIZEÚmax_buffer_headersÚparseÚunreadÚset_body_reader)Úselfr   r   r   Zmax_header_field_sizeZunused© r(   úL/var/www/html/gsl.tools/lib/python3.9/site-packages/gunicorn/http/message.pyÚ__init__   s2    
ÿ

ÿÿzMessage.__init__c                 C   s
   t ƒ ‚d S ©N)ÚNotImplementedError)r'   r   r(   r(   r)   r$   :   s    zMessage.parsec                 C   sÞ  | j }g }dd„ | d¡D ƒ}d}i }d|jv sLt| jtƒrL| jd |jv rR|j}|�rÚt|ƒ| jkrnt	dƒ‚| 
d¡}t|ƒ}| d¡dk ršt| ¡ ƒ‚| dd	¡\}	}
| j jrÂ|	 d
¡ ¡ }	n|	 ¡ }	t |	¡rÜt|	ƒ‚|	 ¡ |
 ¡ g }	}
|�rN|d  d¡�rN| 
d¡}|t|ƒ7 }|| j  k�r6dk�rBn nt	dƒ‚|
 |¡ qðd |
¡ ¡ }
|| j  k�rvdk�r‚n nt	dƒ‚|	|v �rÊ|
||	 k}|�r¢dnd}|�rÀ|| jk�rÊtƒ ‚n
d}|| _| |	|
f¡ qR|S )Nc                 S   s   g | ]}t |ƒd  ‘qS )z
©r   )Ú.0Úliner(   r(   r)   Ú
<listcomp>B   ó    z)Message.parse_headers.<locals>.<listcomp>ó   
FÚ*r   zlimit request headers fieldsú:é   z 	)ú ú	z!limit request headers fields sizeÚ r   r   T)r   ÚsplitZforwarded_allow_ipsÚ
isinstancer   ÚtupleÚsecure_scheme_headersÚlenr   r   ÚpopÚfindr   ÚstripZstrip_header_spacesÚrstripÚupperÚ	HEADER_REÚsearchr   ÚlstripÚ
startswithr!   ÚappendÚjoinr   r   )r'   Údatar   r   ÚlinesZscheme_headerr<   ÚcurrÚheader_lengthÚnameÚvalueÚsecurer   r(   r(   r)   Úparse_headers=   sX    

ÿþ



zMessage.parse_headersc                 C   sÚ   d}d }| j D ]B\}}|dkr8|d ur2td| d�‚|}q|dkr| ¡ dkrd}q|rjtt| | jƒƒ| _nl|d urÆzt|ƒ}W n tyœ   td| d�‚Y n0 |dk r²td| d�‚tt	| j|ƒƒ| _ntt
| jƒƒ| _d S )NFzCONTENT-LENGTH)ÚreqzTRANSFER-ENCODINGÚchunkedTr   )r   r   Úlowerr   r   r   r   ÚintÚ
ValueErrorr   r   )r'   rR   Úcontent_lengthrM   rN   r(   r(   r)   r&   |   s*    zMessage.set_body_readerc                 C   sN   | j D ]<\}}|dkr| ¡  ¡ }|dkr0 dS |dkr> dS  qDq| jdkS )NZ
CONNECTIONÚcloseTz
keep-aliveF)r5   r   )r   rS   r@   r   )r'   ÚhÚvr(   r(   r)   Úshould_close˜   s    zMessage.should_closeN)Ú__name__Ú
__module__Ú__qualname__r*   r$   rP   r&   rZ   r(   r(   r(   r)   r      s
   ?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 )ÚRequestr5   c                    s`   d | _ d | _d | _d | _d | _|j| _| jdk s:| jtkr@t| _|| _d | _t	ƒ  
|||¡ d S ©Nr   )ÚmethodÚuriÚpathÚqueryÚfragmentÚlimit_request_lineÚMAX_REQUEST_LINEÚ
req_numberÚproxy_protocol_infoÚsuperr*   )r'   r   r   r   rg   ©Ú	__class__r(   r)   r*   ¥   s    
ÿzRequest.__init__Fc                 C   s0   |  ¡ }|s"|rtƒ ‚t| ¡ ƒ‚| |¡ d S r+   )ÚreadÚStopIterationr   ÚgetvalueÚwrite)r'   r   ÚbufÚstoprI   r(   r(   r)   Úget_data¶   s    zRequest.get_datac           	      C   s>  t  ¡ }| j||dd� |  ||| j¡\}}|  t|ƒ¡r`t  ¡ }| |¡ |  ||| j¡\}}|  |¡ t  ¡ }| |¡ | 	¡ }| 
d¡}|d d… dk}| 
d¡}|d d… dk}|dk rô|sô|  ||¡ | 	¡ }t|ƒ| jkròtdƒ‚qžqôqž|�r| j |dd … ¡ dS |  |d |… ¡| _||d	 d … }d }|S )
NT)rq   s   

r   r2   r   zmax buffer headersr1   r   )ÚioÚBytesIOrr   Ú	read_linere   Úproxy_protocolr   ro   Úparse_request_linern   r?   r=   r#   r   r   r%   rP   r   )	r'   r   rp   r/   ZrbufrI   ÚidxÚdoneÚretr(   r(   r)   r$   ¾   s8    





zRequest.parser   c                 C   sž   |  ¡ }| d¡}|dkr>||  kr.dkr‚n q‚t||ƒ‚q‚t|ƒd |  krZdkrln ntt|ƒ|ƒ‚|  ||¡ |  ¡ }q|d |… ||d d … fS )Nr2   r   r   )rn   r?   r   r=   rr   )r'   r   rp   ÚlimitrI   rx   r(   r(   r)   ru   ë   s    

 

ÿz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
        Fr5   ZPROXYT)r   rv   rg   rF   Úproxy_protocol_access_checkÚparse_proxy_protocol)r'   r/   r(   r(   r)   rv   ý   s    


zRequest.proxy_protocolc                 C   s<   d| j jvr8t| jtƒr8| jd | j jvr8t| jd ƒ‚d S )Nr3   r   )r   Zproxy_allow_ipsr:   r   r;   r   ©r'   r(   r(   r)   r|     s    
ÿþz#Request.proxy_protocol_access_checkc                 C   sl  |  ¡ }t|ƒdkrt|ƒ‚|d }|d }|d }|dvrHtd| ƒ‚|dkr�z t tj|¡ t tj|¡ W qÖ tjyŒ   t|ƒ‚Y qÖ0 nF|dkrÖz t tj|¡ t tj|¡ W n tjyÔ   t|ƒ‚Y n0 zt|d	 ƒ}t|d
 ƒ}W n  t	�y   td| ƒ‚Y n0 d|  k�r,dk�rJn nd|  k�rHdk�sVn td| ƒ‚|||||dœ| _
d S )Né   r5   r   é   )ÚTCP4ÚTCP6zprotocol '%s' not supportedr�   r‚   r   é   zinvalid port %sr   iÿÿ  )rv   Úclient_addrZclient_portZ
proxy_addrZ
proxy_port)r9   r=   r   ÚsocketÚ	inet_ptonÚAF_INETÚerrorÚAF_INET6rT   rU   rh   )r'   r/   ÚbitsÚprotoZs_addrZd_addrZs_portZd_portr(   r(   r)   r}     sB    6ûzRequest.parse_proxy_protocolc                 C   sö   dd„ |  d d¡D ƒ}t|ƒdkr.tt|ƒƒ‚t |d ¡sHt|d ƒ‚|d  ¡ | _|d | _	zt
| j	ƒ}W n tyŒ   tt|ƒƒ‚Y n0 |jp–d| _|jp¢d| _|jp®d| _t |d ¡}|d u rÔt|d ƒ‚t| d¡ƒt| d¡ƒf| _d S )Nc                 S   s   g | ]}t |ƒ‘qS r(   r-   )r.   Úbitr(   r(   r)   r0   G  r1   z.Request.parse_request_line.<locals>.<listcomp>r   r€   r   r5   r8   )r9   r=   r	   r   ÚMETH_REÚmatchr
   rB   r`   ra   r   rU   rb   rc   rd   Ú
VERSION_REr   rT   Úgroupr   )r'   Z
line_bytesrŠ   ÚpartsrŽ   r(   r(   r)   rw   F  s$    
zRequest.parse_request_linec                    s.   t ƒ  ¡  t| jjtƒr*tt| jdƒƒ| _d S r_   )	ri   r&   r:   r   Úreaderr   r   r   r   r~   rj   r(   r)   r&   a  s    
zRequest.set_body_reader)r5   )F)r   )r[   r\   r]   r*   rr   r$   ru   rv   r|   r}   rw   r&   Ú__classcell__r(   r(   rj   r)   r^   ¤   s   
-
-r^   )!rs   Úrer…   Zgunicorn.http.bodyr   r   r   r   Zgunicorn.http.errorsr   r   r   r	   r
   r   r   r   r   r   r   Zgunicorn.utilr   r   rf   r    r"   ÚcompilerC   r�   r�   Úobjectr   r^   r(   r(   r(   r)   Ú<module>   s    (


 