B
    &‹dÒ  ã               @   sà   d 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T ddlT ddlT ddlT dd	d
gZdZe	je	je	jfZee	jf Zeƒ ZG dd„ dƒZdd	„ Zdd„ Zdd„ Zefdd„ZdddœZdd„ Zdd„ Z dS )ad  
_handshake.py
websocket - WebSocket client library for Python

Copyright 2022 engn33r

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
é    N)Úencodebytes)Úclienté   )ÚSimpleCookieJar)Ú*Úhandshake_responseÚ	handshakeÚSUPPORTED_REDIRECT_STATUSESé   c               @   s   e Zd Zdd„ ZdS )r   c             C   s&   || _ || _|| _t | d¡¡ d S )Nz
set-cookie)ÚstatusÚheadersÚsubprotocolÚ	CookieJarÚaddÚget)Úselfr   r   r   © r   úa/work/yifan.wang/ringdown/master-ringdown-env/lib/python3.7/site-packages/websocket/_handshake.pyÚ__init__+   s    zhandshake_response.__init__N)Ú__name__Ú
__module__Ú__qualname__r   r   r   r   r   r   )   s   c             K   s€   t |||||ƒ\}}d |¡}t| |ƒ td|ƒ t| ƒ\}	}
|	tkrRt|	|
d ƒS t|
|| d¡ƒ\}}|stt	dƒ‚t|	|
|ƒS )Nz
zrequest headerÚsubprotocolszInvalid WebSocket Header)
Ú_get_handshake_headersÚjoinÚsendÚdumpÚ_get_resp_headersr	   r   Ú	_validater   ZWebSocketException)ÚsockÚurlÚhostnameÚportÚresourceÚoptionsr   ÚkeyÚ
header_strr   ÚrespÚsuccessÚsubprotor   r   r   r   2   s    


c             C   s   d| krd|  d S | S )Nú:ú[ú]r   )r!   r   r   r   Ú_pack_hostnameC   s    r-   c             C   s*  dj | ddg}|dks |dkr*t|ƒ}ndj t|ƒ|d}| d¡r^| d	j |d d
¡ n| dj |d¡ | dd¡\}}| d¡säd|kr¶|d d k	r¶| dj |d d¡ n.|dkrÒ| dj |d¡ n| dj |d¡ tƒ }| d¡rd|d kr| dj |d¡ n|d d }| d¡r>d|d krP| dj td¡ | d¡sh| d¡ n| |d ¡ | d¡}	|	rž| d j d! |	¡d"¡ | d¡}
|
rÖt|
t	ƒrÌd#d$„ |
 
¡ D ƒ}
| |
¡ t |¡}| d%d ¡}d& td ||gƒ¡}|r| d'j |d(¡ | d)¡ ||fS )*NzGET {resource} HTTP/1.1)r#   zUpgrade: websocketéP   i»  z{h}:{p})ÚhÚpÚhostz	Host: {h})r/   z
Host: {hp})Úhpr*   r   Zsuppress_originÚoriginzOrigin: {origin})r3   ÚwsszOrigin: https://{hp}zOrigin: http://{hp}ÚheaderzSec-WebSocket-KeyzSec-WebSocket-Key: {key})r%   zSec-WebSocket-Versionz Sec-WebSocket-Version: {version})ÚversionÚ
connectionzConnection: Upgrader   z#Sec-WebSocket-Protocol: {protocols}ú,)Ú	protocolsc             S   s&   g | ]\}}|d k	rd  ||g¡‘qS )Nz: )r   )Ú.0ÚkÚvr   r   r   ú
<listcomp>|   s   z*_get_handshake_headers.<locals>.<listcomp>Úcookiez; zCookie: {cookie})r>   )Ú r?   )Úformatr-   r   ÚappendÚsplitÚ_create_sec_websocket_keyÚVERSIONr   Ú
isinstanceÚdictÚitemsÚextendr   Úfilter)r#   r    r1   r"   r$   r   ÚhostportÚschemer%   r   r5   Zserver_cookieZclient_cookier>   r   r   r   r   K   sP    








r   c             C   s^   t | ƒ\}}}||krV| d¡}|r4|  t|ƒ¡}nd }tdj||||d||||ƒ‚||fS )Nzcontent-lengthz@Handshake status {status} {message} -+-+- {headers} -+-+- {body})r   Úmessager   Úbody)Zread_headersr   ÚrecvÚintZWebSocketBadStatusExceptionr@   )r   Zsuccess_statusesr   Zresp_headersZstatus_messageZcontent_lenZresponse_bodyr   r   r   r   Ž   s    
r   Z	websocketÚupgrade)rP   r7   c             C   s  d }xHt  ¡ D ]<\}}|  |d ¡}|s*dS dd„ | d¡D ƒ}||krdS qW |r”|  dd ¡}|rx| ¡ dd„ |D ƒkrŒtdt|ƒ ƒ dS | ¡ }|  dd ¡}|s¨dS | ¡ }t|tƒrÄ| d	¡}|d
  d	¡}t	t
 |¡ ¡ ƒ ¡  ¡ }	t |	|¡}
|
rd|fS dS d S )N)FNc             S   s   g | ]}|  ¡  ¡ ‘qS r   )ÚstripÚlower)r:   Úxr   r   r   r=   ¦   s    z_validate.<locals>.<listcomp>r8   zsec-websocket-protocolc             S   s   g | ]}|  ¡ ‘qS r   )rR   )r:   Úsr   r   r   r=   ¬   s    zInvalid subprotocol: zsec-websocket-acceptzutf-8z$258EAFA5-E914-47DA-95CA-C5AB0DC85B11T)Ú_HEADERS_TO_CHECKrG   r   rB   rR   ÚerrorÚstrrE   ÚencodeÚbase64encodeÚhashlibÚsha1ÚdigestrQ   ÚhmacÚcompare_digest)r   r%   r   r)   r;   r<   ÚrÚresultÚvalueÚhashedr(   r   r   r   r       s4    

r   c              C   s   t  d¡} t| ƒ d¡ ¡ S )Né   zutf-8)ÚosÚurandomrY   ÚdecoderQ   )Z
randomnessr   r   r   rC   Ã   s    
rC   )!Ú__doc__rZ   r]   rd   Úbase64r   rY   Úhttpr   Ú
HTTPStatusZ
_cookiejarr   Ú_exceptionsZ_httpZ_loggingÚ_socketÚ__all__rD   ÚMOVED_PERMANENTLYÚFOUNDÚ	SEE_OTHERr	   ÚSWITCHING_PROTOCOLSZSUCCESS_STATUSESr   r   r   r-   r   r   rU   r   rC   r   r   r   r   Ú<module>   s0   
	C#