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Update websocket-client-1.2.1

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JonnyWong16 2021-10-14 22:36:24 -07:00
parent c67f18d65c
commit aa127ecbda
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21 changed files with 1756 additions and 1045 deletions
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100
lib/websocket/_url.py
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@ -1,30 +1,30 @@
"""
"""
"""
_url.py
websocket - WebSocket client library for Python
Copyright (C) 2010 Hiroki Ohtani(liris)
Copyright 2021 engn33r
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1335 USA
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.
"""
import os
import socket
import struct
from six.moves.urllib.parse import urlparse
from urllib.parse import unquote, urlparse
__all__ = ["parse_url", "get_proxy_info"]
@ -35,14 +35,17 @@ def parse_url(url):
parse url and the result is tuple of
(hostname, port, resource path and the flag of secure mode)
url: url string.
Parameters
----------
url: str
url string.
"""
if ":" not in url:
raise ValueError("url is invalid")
scheme, url = url.split(":", 1)
parsed = urlparse(url, scheme="ws")
parsed = urlparse(url, scheme="http")
if parsed.hostname:
hostname = parsed.hostname
else:
@ -94,25 +97,31 @@ def _is_subnet_address(hostname):
def _is_address_in_network(ip, net):
ipaddr = struct.unpack('I', socket.inet_aton(ip))[0]
netaddr, bits = net.split('/')
netmask = struct.unpack('I', socket.inet_aton(netaddr))[0] & ((2 << int(bits) - 1) - 1)
return ipaddr & netmask == netmask
ipaddr = struct.unpack('!I', socket.inet_aton(ip))[0]
netaddr, netmask = net.split('/')
netaddr = struct.unpack('!I', socket.inet_aton(netaddr))[0]
netmask = (0xFFFFFFFF << (32 - int(netmask))) & 0xFFFFFFFF
return ipaddr & netmask == netaddr
def _is_no_proxy_host(hostname, no_proxy):
if not no_proxy:
v = os.environ.get("no_proxy", "").replace(" ", "")
v = os.environ.get("no_proxy", os.environ.get("NO_PROXY", "")).replace(" ", "")
if v:
no_proxy = v.split(",")
if not no_proxy:
no_proxy = DEFAULT_NO_PROXY_HOST
if '*' in no_proxy:
return True
if hostname in no_proxy:
return True
elif _is_ip_address(hostname):
if _is_ip_address(hostname):
return any([_is_address_in_network(hostname, subnet) for subnet in no_proxy if _is_subnet_address(subnet)])
for domain in [domain for domain in no_proxy if domain.startswith('.')]:
if hostname.endswith(domain):
return True
return False
@ -120,27 +129,30 @@ def get_proxy_info(
hostname, is_secure, proxy_host=None, proxy_port=0, proxy_auth=None,
no_proxy=None, proxy_type='http'):
"""
try to retrieve proxy host and port from environment
Try to retrieve proxy host and port from environment
if not provided in options.
result is (proxy_host, proxy_port, proxy_auth).
Result is (proxy_host, proxy_port, proxy_auth).
proxy_auth is tuple of username and password
of proxy authentication information.
of proxy authentication information.
hostname: websocket server name.
is_secure: is the connection secure? (wss)
looks for "https_proxy" in env
before falling back to "http_proxy"
options: "http_proxy_host" - http proxy host name.
"http_proxy_port" - http proxy port.
"http_no_proxy" - host names, which doesn't use proxy.
"http_proxy_auth" - http proxy auth information.
tuple of username and password.
default is None
"proxy_type" - if set to "socks5" PySocks wrapper
will be used in place of a http proxy.
default is "http"
Parameters
----------
hostname: str
Websocket server name.
is_secure: bool
Is the connection secure? (wss) looks for "https_proxy" in env
before falling back to "http_proxy"
proxy_host: str
http proxy host name.
http_proxy_port: str or int
http proxy port.
http_no_proxy: list
Whitelisted host names that don't use the proxy.
http_proxy_auth: tuple
HTTP proxy auth information. Tuple of username and password. Default is None.
proxy_type: str
Specify the proxy protocol (http, socks4, socks4a, socks5, socks5h). Default is "http".
Use socks4a or socks5h if you want to send DNS requests through the proxy.
"""
if _is_no_proxy_host(hostname, no_proxy):
return None, 0, None
@ -155,10 +167,10 @@ def get_proxy_info(
env_keys.insert(0, "https_proxy")
for key in env_keys:
value = os.environ.get(key, None)
value = os.environ.get(key, os.environ.get(key.upper(), "")).replace(" ", "")
if value:
proxy = urlparse(value)
auth = (proxy.username, proxy.password) if proxy.username else None
auth = (unquote(proxy.username), unquote(proxy.password)) if proxy.username else None
return proxy.hostname, proxy.port, auth
return None, 0, None