# -*- coding: utf-8 -*- # """ test_http.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. """ import os import os.path import websocket as ws from websocket._http import proxy_info, read_headers, _start_proxied_socket, _tunnel, _get_addrinfo_list, connect import unittest import ssl import websocket import socket try: from python_socks._errors import ProxyError, ProxyTimeoutError, ProxyConnectionError except: from websocket._http import ProxyError, ProxyTimeoutError, ProxyConnectionError # Skip test to access the internet unless TEST_WITH_INTERNET == 1 TEST_WITH_INTERNET = os.environ.get('TEST_WITH_INTERNET', '0') == '1' TEST_WITH_PROXY = os.environ.get('TEST_WITH_PROXY', '0') == '1' # Skip tests relying on local websockets server unless LOCAL_WS_SERVER_PORT != -1 LOCAL_WS_SERVER_PORT = os.environ.get('LOCAL_WS_SERVER_PORT', '-1') TEST_WITH_LOCAL_SERVER = LOCAL_WS_SERVER_PORT != '-1' class SockMock: def __init__(self): self.data = [] self.sent = [] def add_packet(self, data): self.data.append(data) def gettimeout(self): return None def recv(self, bufsize): if self.data: e = self.data.pop(0) if isinstance(e, Exception): raise e if len(e) > bufsize: self.data.insert(0, e[bufsize:]) return e[:bufsize] def send(self, data): self.sent.append(data) return len(data) def close(self): pass class HeaderSockMock(SockMock): def __init__(self, fname): SockMock.__init__(self) path = os.path.join(os.path.dirname(__file__), fname) with open(path, "rb") as f: self.add_packet(f.read()) class OptsList(): def __init__(self): self.timeout = 1 self.sockopt = [] self.sslopt = {"cert_reqs": ssl.CERT_NONE} class HttpTest(unittest.TestCase): def testReadHeader(self): status, header, status_message = read_headers(HeaderSockMock("data/header01.txt")) self.assertEqual(status, 101) self.assertEqual(header["connection"], "Upgrade") # header02.txt is intentionally malformed self.assertRaises(ws.WebSocketException, read_headers, HeaderSockMock("data/header02.txt")) def testTunnel(self): self.assertRaises(ws.WebSocketProxyException, _tunnel, HeaderSockMock("data/header01.txt"), "example.com", 80, ("username", "password")) self.assertRaises(ws.WebSocketProxyException, _tunnel, HeaderSockMock("data/header02.txt"), "example.com", 80, ("username", "password")) @unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled") def testConnect(self): # Not currently testing an actual proxy connection, so just check whether proxy errors are raised. This requires internet for a DNS lookup if ws._http.HAVE_PYTHON_SOCKS: # Need this check, otherwise case where python_socks is not installed triggers # websocket._exceptions.WebSocketException: Python Socks is needed for SOCKS proxying but is not available self.assertRaises((ProxyTimeoutError, OSError), _start_proxied_socket, "wss://example.com", OptsList(), proxy_info(http_proxy_host="example.com", http_proxy_port="8080", proxy_type="socks4", timeout=1)) self.assertRaises((ProxyTimeoutError, OSError), _start_proxied_socket, "wss://example.com", OptsList(), proxy_info(http_proxy_host="example.com", http_proxy_port="8080", proxy_type="socks4a", timeout=1)) self.assertRaises((ProxyTimeoutError, OSError), _start_proxied_socket, "wss://example.com", OptsList(), proxy_info(http_proxy_host="example.com", http_proxy_port="8080", proxy_type="socks5", timeout=1)) self.assertRaises((ProxyTimeoutError, OSError), _start_proxied_socket, "wss://example.com", OptsList(), proxy_info(http_proxy_host="example.com", http_proxy_port="8080", proxy_type="socks5h", timeout=1)) self.assertRaises(ProxyConnectionError, connect, "wss://example.com", OptsList(), proxy_info(http_proxy_host="127.0.0.1", http_proxy_port=9999, proxy_type="socks4", timeout=1), None) self.assertRaises(TypeError, _get_addrinfo_list, None, 80, True, proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="9999", proxy_type="http")) self.assertRaises(TypeError, _get_addrinfo_list, None, 80, True, proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="9999", proxy_type="http")) self.assertRaises(socket.timeout, connect, "wss://google.com", OptsList(), proxy_info(http_proxy_host="8.8.8.8", http_proxy_port=9999, proxy_type="http", timeout=1), None) self.assertEqual( connect("wss://google.com", OptsList(), proxy_info(http_proxy_host="8.8.8.8", http_proxy_port=8080, proxy_type="http"), True), (True, ("google.com", 443, "/"))) # The following test fails on Mac OS with a gaierror, not an OverflowError # 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) @unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled") @unittest.skipUnless(TEST_WITH_PROXY, "This test requires a HTTP proxy to be running on port 8899") @unittest.skipUnless(TEST_WITH_LOCAL_SERVER, "Tests using local websocket server are disabled") def testProxyConnect(self): ws = websocket.WebSocket() ws.connect("ws://127.0.0.1:" + LOCAL_WS_SERVER_PORT, http_proxy_host="127.0.0.1", http_proxy_port="8899", proxy_type="http") ws.send("Hello, Server") server_response = ws.recv() self.assertEqual(server_response, "Hello, Server") # 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')) self.assertEqual(_get_addrinfo_list("api.bitfinex.com", 443, True, proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8899", proxy_type="http")), (socket.getaddrinfo("127.0.0.1", 8899, 0, socket.SOCK_STREAM, socket.SOL_TCP), True, None)) self.assertEqual(connect("wss://api.bitfinex.com/ws/2", OptsList(), proxy_info(http_proxy_host="127.0.0.1", http_proxy_port=8899, proxy_type="http"), None)[1], ("api.bitfinex.com", 443, '/ws/2')) # TODO: Test SOCKS4 and SOCK5 proxies with unit tests @unittest.skipUnless(TEST_WITH_INTERNET, "Internet-requiring tests are disabled") def testSSLopt(self): ssloptions = { "check_hostname": False, "server_hostname": "ServerName", "ssl_version": ssl.PROTOCOL_TLS_CLIENT, "ciphers": "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:\ TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:\ ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:\ ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:\ DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:\ ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:\ ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:\ DHE-RSA-AES256-SHA256:ECDHE-ECDSA-AES128-SHA256:\ ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:\ ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA", "ecdh_curve": "prime256v1" } ws_ssl1 = websocket.WebSocket(sslopt=ssloptions) ws_ssl1.connect("wss://api.bitfinex.com/ws/2") ws_ssl1.send("Hello") ws_ssl1.close() ws_ssl2 = websocket.WebSocket(sslopt={"check_hostname": True}) ws_ssl2.connect("wss://api.bitfinex.com/ws/2") ws_ssl2.close def testProxyInfo(self): self.assertEqual(proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http").proxy_protocol, "http") self.assertRaises(ProxyError, proxy_info, http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="badval") self.assertEqual(proxy_info(http_proxy_host="example.com", http_proxy_port="8080", proxy_type="http").proxy_host, "example.com") self.assertEqual(proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http").proxy_port, "8080") self.assertEqual(proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http").auth, None) self.assertEqual(proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http", http_proxy_auth=("my_username123", "my_pass321")).auth[0], "my_username123") self.assertEqual(proxy_info(http_proxy_host="127.0.0.1", http_proxy_port="8080", proxy_type="http", http_proxy_auth=("my_username123", "my_pass321")).auth[1], "my_pass321") if __name__ == "__main__": unittest.main()