371 lines
12 KiB
Python
371 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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#
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import os
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import os.path
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import socket
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import ssl
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import unittest
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import websocket
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from websocket._exceptions import WebSocketProxyException, WebSocketException
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from websocket._http import (
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_get_addrinfo_list,
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_start_proxied_socket,
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_tunnel,
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connect,
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proxy_info,
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read_headers,
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HAVE_PYTHON_SOCKS,
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)
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"""
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test_http.py
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websocket - WebSocket client library for Python
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Copyright 2024 engn33r
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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try:
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from python_socks._errors import ProxyConnectionError, ProxyError, ProxyTimeoutError
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except:
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from websocket._http import ProxyConnectionError, ProxyError, ProxyTimeoutError
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# Skip test to access the internet unless TEST_WITH_INTERNET == 1
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TEST_WITH_INTERNET = os.environ.get("TEST_WITH_INTERNET", "0") == "1"
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TEST_WITH_PROXY = os.environ.get("TEST_WITH_PROXY", "0") == "1"
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# Skip tests relying on local websockets server unless LOCAL_WS_SERVER_PORT != -1
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LOCAL_WS_SERVER_PORT = os.environ.get("LOCAL_WS_SERVER_PORT", "-1")
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TEST_WITH_LOCAL_SERVER = LOCAL_WS_SERVER_PORT != "-1"
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class SockMock:
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def __init__(self):
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self.data = []
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self.sent = []
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def add_packet(self, data):
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self.data.append(data)
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def gettimeout(self):
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return None
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def recv(self, bufsize):
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if self.data:
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e = self.data.pop(0)
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if isinstance(e, Exception):
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raise e
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if len(e) > bufsize:
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self.data.insert(0, e[bufsize:])
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return e[:bufsize]
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def send(self, data):
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self.sent.append(data)
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return len(data)
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def close(self):
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pass
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class HeaderSockMock(SockMock):
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def __init__(self, fname):
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SockMock.__init__(self)
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path = os.path.join(os.path.dirname(__file__), fname)
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with open(path, "rb") as f:
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self.add_packet(f.read())
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class OptsList:
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def __init__(self):
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self.timeout = 1
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self.sockopt = []
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self.sslopt = {"cert_reqs": ssl.CERT_NONE}
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class HttpTest(unittest.TestCase):
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def test_read_header(self):
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status, header, _ = read_headers(HeaderSockMock("data/header01.txt"))
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self.assertEqual(status, 101)
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self.assertEqual(header["connection"], "Upgrade")
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# header02.txt is intentionally malformed
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self.assertRaises(
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WebSocketException, read_headers, HeaderSockMock("data/header02.txt")
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)
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def test_tunnel(self):
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self.assertRaises(
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WebSocketProxyException,
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_tunnel,
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HeaderSockMock("data/header01.txt"),
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"example.com",
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80,
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("username", "password"),
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)
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self.assertRaises(
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WebSocketProxyException,
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_tunnel,
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HeaderSockMock("data/header02.txt"),
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"example.com",
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80,
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("username", "password"),
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)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def test_connect(self):
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# Not currently testing an actual proxy connection, so just check whether proxy errors are raised. This requires internet for a DNS lookup
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if HAVE_PYTHON_SOCKS:
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# Need this check, otherwise case where python_socks is not installed triggers
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# websocket._exceptions.WebSocketException: Python Socks is needed for SOCKS proxying but is not available
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self.assertRaises(
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(ProxyTimeoutError, OSError),
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_start_proxied_socket,
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"wss://example.com",
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OptsList(),
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proxy_info(
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http_proxy_host="example.com",
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http_proxy_port="8080",
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proxy_type="socks4",
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http_proxy_timeout=1,
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),
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)
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self.assertRaises(
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(ProxyTimeoutError, OSError),
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_start_proxied_socket,
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"wss://example.com",
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OptsList(),
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proxy_info(
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http_proxy_host="example.com",
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http_proxy_port="8080",
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proxy_type="socks4a",
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http_proxy_timeout=1,
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),
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)
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self.assertRaises(
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(ProxyTimeoutError, OSError),
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_start_proxied_socket,
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"wss://example.com",
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OptsList(),
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proxy_info(
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http_proxy_host="example.com",
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http_proxy_port="8080",
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proxy_type="socks5",
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http_proxy_timeout=1,
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),
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)
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self.assertRaises(
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(ProxyTimeoutError, OSError),
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_start_proxied_socket,
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"wss://example.com",
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OptsList(),
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proxy_info(
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http_proxy_host="example.com",
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http_proxy_port="8080",
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proxy_type="socks5h",
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http_proxy_timeout=1,
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),
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)
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self.assertRaises(
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ProxyConnectionError,
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connect,
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"wss://example.com",
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OptsList(),
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proxy_info(
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http_proxy_host="127.0.0.1",
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http_proxy_port=9999,
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proxy_type="socks4",
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http_proxy_timeout=1,
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),
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None,
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)
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self.assertRaises(
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TypeError,
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_get_addrinfo_list,
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None,
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80,
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True,
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port="9999", proxy_type="http"
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),
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)
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self.assertRaises(
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TypeError,
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_get_addrinfo_list,
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None,
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80,
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True,
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port="9999", proxy_type="http"
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),
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)
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self.assertRaises(
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socket.timeout,
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connect,
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"wss://google.com",
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OptsList(),
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proxy_info(
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http_proxy_host="8.8.8.8",
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http_proxy_port=9999,
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proxy_type="http",
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http_proxy_timeout=1,
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),
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None,
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)
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self.assertEqual(
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connect(
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"wss://google.com",
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OptsList(),
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proxy_info(
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http_proxy_host="8.8.8.8", http_proxy_port=8080, proxy_type="http"
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),
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True,
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),
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(True, ("google.com", 443, "/")),
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)
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# The following test fails on Mac OS with a gaierror, not an OverflowError
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# self.assertRaises(OverflowError, connect, "wss://example.com", OptsList(), proxy_info(http_proxy_host="127.0.0.1", http_proxy_port=99999, proxy_type="socks4", timeout=2), False)
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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@unittest.skipUnless(
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TEST_WITH_PROXY, "This test requires a HTTP proxy to be running on port 8899"
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)
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@unittest.skipUnless(
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TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled"
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)
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def test_proxy_connect(self):
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ws = websocket.WebSocket()
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ws.connect(
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f"ws://127.0.0.1:{LOCAL_WS_SERVER_PORT}",
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http_proxy_host="127.0.0.1",
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http_proxy_port="8899",
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proxy_type="http",
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)
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ws.send("Hello, Server")
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server_response = ws.recv()
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self.assertEqual(server_response, "Hello, Server")
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# self.assertEqual(_start_proxied_socket("wss://api.bitfinex.com/ws/2", OptsList(), proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8899", proxy_type="http"))[1], ("api.bitfinex.com", 443, '/ws/2'))
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self.assertEqual(
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_get_addrinfo_list(
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"api.bitfinex.com",
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443,
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True,
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proxy_info(
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http_proxy_host="127.0.0.1",
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http_proxy_port="8899",
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proxy_type="http",
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),
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),
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(
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socket.getaddrinfo(
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"127.0.0.1", 8899, 0, socket.SOCK_STREAM, socket.SOL_TCP
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),
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True,
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None,
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),
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)
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self.assertEqual(
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connect(
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"wss://api.bitfinex.com/ws/2",
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OptsList(),
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port=8899, proxy_type="http"
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),
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None,
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)[1],
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("api.bitfinex.com", 443, "/ws/2"),
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)
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# TODO: Test SOCKS4 and SOCK5 proxies with unit tests
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@unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled")
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def test_sslopt(self):
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ssloptions = {
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"check_hostname": False,
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"server_hostname": "ServerName",
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"ssl_version": ssl.PROTOCOL_TLS_CLIENT,
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"ciphers": "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:\
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TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:\
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ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:\
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ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:\
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DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:\
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ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:\
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ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:\
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DHE-RSA-AES256-SHA256:ECDHE-ECDSA-AES128-SHA256:\
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ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:\
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ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA",
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"ecdh_curve": "prime256v1",
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}
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ws_ssl1 = websocket.WebSocket(sslopt=ssloptions)
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ws_ssl1.connect("wss://api.bitfinex.com/ws/2")
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ws_ssl1.send("Hello")
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ws_ssl1.close()
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ws_ssl2 = websocket.WebSocket(sslopt={"check_hostname": True})
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ws_ssl2.connect("wss://api.bitfinex.com/ws/2")
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ws_ssl2.close
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def test_proxy_info(self):
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self.assertEqual(
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http"
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).proxy_protocol,
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"http",
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)
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self.assertRaises(
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ProxyError,
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proxy_info,
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http_proxy_host="127.0.0.1",
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http_proxy_port="8080",
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proxy_type="badval",
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)
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self.assertEqual(
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proxy_info(
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http_proxy_host="example.com", http_proxy_port="8080", proxy_type="http"
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).proxy_host,
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"example.com",
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)
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self.assertEqual(
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http"
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).proxy_port,
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"8080",
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)
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self.assertEqual(
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proxy_info(
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http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http"
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).auth,
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None,
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)
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self.assertEqual(
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proxy_info(
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http_proxy_host="127.0.0.1",
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http_proxy_port="8080",
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proxy_type="http",
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http_proxy_auth=("my_username123", "my_pass321"),
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).auth[0],
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"my_username123",
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)
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self.assertEqual(
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proxy_info(
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http_proxy_host="127.0.0.1",
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http_proxy_port="8080",
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proxy_type="http",
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http_proxy_auth=("my_username123", "my_pass321"),
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).auth[1],
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"my_pass321",
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)
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if __name__ == "__main__":
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unittest.main()
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