o
    ¾À•a  ã                   @   sÞ   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 g d¢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 2021 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   ú6/usr/lib/python3/dist-packages/websocket/_handshake.pyÚ__init__+   s   zhandshake_response.__init__N)Ú__name__Ú
__module__Ú__qualname__r   r   r   r   r   r   )   s    r   c                 K   s~   t ||||ƒ\}}d |¡}t| |ƒ td|ƒ t| ƒ\}}	|tv r(t||	d ƒS t|	|| d¡ƒ\}
}|
s9t	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hostnameÚportÚresourceÚoptionsr   ÚkeyZ
header_strr   ZrespÚsuccessÚsubprotor   r   r   r   2   s   


r   c                 C   s   d| v r
d|  d S | S )Nú:ú[ú]r   )r    r   r   r   Ú_pack_hostnameC   s   r*   c                 C   sî  d|  dg}|dks|dkrt |ƒ}ndt |ƒ|f }d|v r/|d d ur/| d|d  ¡ n| d| ¡ d|vs>|d sYd	|v rR|d	 d urR| d
|d	  ¡ n| d| ¡ tƒ }d|vsfd|d vrqtƒ }| d| ¡ n|d d }d|vsd|d vrˆ| dt ¡ d|vs’|d d u r˜| d¡ n| |d ¡ | d¡}|r°| dd |¡ ¡ d|v rË|d }t|tƒrÆdd„ | ¡ D ƒ}| 	|¡ t
 |¡}	| dd ¡}
d td |	|
gƒ¡}|ré| d| ¡ | d¡ | d¡ ||fS )NzGET %s HTTP/1.1zUpgrade: websocketéP   i»  z%s:%dÚhostzHost: %sZsuppress_originÚoriginz
Origin: %szOrigin: http://%sÚheaderzSec-WebSocket-KeyzSec-WebSocket-Key: %szSec-WebSocket-VersionzSec-WebSocket-Version: %sÚ
connectionzConnection: Upgrader   zSec-WebSocket-Protocol: %sú,c                 S   s&   g | ]\}}|d urd  ||g¡‘qS )Nz: )r   )Ú.0ÚkÚvr   r   r   Ú
<listcomp>w   s    ýÿz*_get_handshake_headers.<locals>.<listcomp>Úcookiez; z
Cookie: %sÚ )r*   ÚappendÚ_create_sec_websocket_keyÚVERSIONr   r   Ú
isinstanceÚdictÚitemsÚextendr   Úfilter)r"   r,   r!   r#   r   Zhostportr$   r   r.   Zserver_cookieZclient_cookier5   r   r   r   r   K   sR   þ


þ



r   c                 C   s,   t | ƒ\}}}||vrtd|||ƒ‚||fS )NzHandshake status %d %s)Zread_headersZWebSocketBadStatusException)r   Zsuccess_statusesr   Zresp_headersZstatus_messager   r   r   r   Œ   s   r   Z	websocketÚupgrade)r?   r/   c                 C   s  d }t  ¡ D ] \}}|  |d ¡}|s dS dd„ | d¡D ƒ}||vr& dS q|rJ|  dd ¡}|r<| ¡ dd„ |D ƒvrFtdt|ƒ ƒ dS | ¡ }|  dd ¡}|sTdS | ¡ }t|tƒrb| d	¡}|d
  d	¡}t	t
 |¡ ¡ ƒ ¡  ¡ }	t |	|¡}
|
r‚d|fS dS )N)FNc                 S   s   g | ]}|  ¡  ¡ ‘qS r   )ÚstripÚlower)r1   Úxr   r   r   r4   Ÿ   s    z_validate.<locals>.<listcomp>r0   zsec-websocket-protocolc                 S   s   g | ]}|  ¡ ‘qS r   )rA   )r1   Úsr   r   r   r4   ¥   s    zInvalid subprotocol: zsec-websocket-acceptúutf-8z$258EAFA5-E914-47DA-95CA-C5AB0DC85B11T)Ú_HEADERS_TO_CHECKr<   r   ÚsplitrA   ÚerrorÚstrr:   ÚencodeÚbase64encodeÚhashlibZsha1Zdigestr@   ÚhmacZcompare_digest)r   r$   r   r&   r2   r3   ÚrÚresultÚvalueZhashedr%   r   r   r   r   ™   s6   ÿ

r   c                  C   s   t  d¡} t| ƒ d¡ ¡ S )Né   rD   )ÚosÚurandomrJ   Údecoder@   )Z
randomnessr   r   r   r8   ¼   s   
r8   )!Ú__doc__rK   rL   rQ   Úbase64r   rJ   Zhttpr   Z
HTTPStatusZ
_cookiejarr   Ú_exceptionsZ_httpZ_loggingZ_socketÚ__all__r9   ZMOVED_PERMANENTLYZFOUNDZ	SEE_OTHERr	   ZSWITCHING_PROTOCOLSZSUCCESS_STATUSESr   r   r   r*   r   r   rE   r   r8   r   r   r   r   Ú<module>   s4    	Aþ#