6cbd4846ab
This includes changes to WSGI, websocket, bytes/str/unicode handling, SSL, backdoor, greenio and tests. Some comments and conditionals (PY2/PY3) were added for clarity GH issues: Closes #106 Closes #111 Closes #118 Closes #141 Incidentally should also close #135 (reopen if didn't) cc #6
239 lines
8.0 KiB
Python
239 lines
8.0 KiB
Python
import errno
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import struct
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from nose.tools import eq_
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import eventlet
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from eventlet import event
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from eventlet import websocket
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from eventlet.green import httplib
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from eventlet.green import socket
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from eventlet import websocket
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from eventlet.support import six
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from tests.wsgi_test import _TestBase
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# demo app
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def handle(ws):
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if ws.path == '/echo':
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while True:
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m = ws.wait()
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if m is None:
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break
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ws.send(m)
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elif ws.path == '/range':
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for i in range(10):
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ws.send("msg %d" % i)
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eventlet.sleep(0.01)
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elif ws.path == '/error':
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# some random socket error that we shouldn't normally get
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raise socket.error(errno.ENOTSOCK)
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else:
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ws.close()
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wsapp = websocket.WebSocketWSGI(handle)
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class TestWebSocket(_TestBase):
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TEST_TIMEOUT = 5
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def set_site(self):
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self.site = wsapp
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def test_incomplete_headers_13(self):
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headers = dict(kv.split(': ') for kv in [
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"Upgrade: websocket",
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# NOTE: intentionally no connection header
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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])
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http = httplib.HTTPConnection('localhost', self.port)
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http.request("GET", "/echo", headers=headers)
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resp = http.getresponse()
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self.assertEqual(resp.status, 400)
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self.assertEqual(resp.getheader('connection'), 'close')
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self.assertEqual(resp.read(), b'')
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# Now, miss off key
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headers = dict(kv.split(': ') for kv in [
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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])
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http = httplib.HTTPConnection('localhost', self.port)
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http.request("GET", "/echo", headers=headers)
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resp = http.getresponse()
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self.assertEqual(resp.status, 400)
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self.assertEqual(resp.getheader('connection'), 'close')
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self.assertEqual(resp.read(), b'')
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# No Upgrade now
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headers = dict(kv.split(': ') for kv in [
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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])
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http = httplib.HTTPConnection('localhost', self.port)
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http.request("GET", "/echo", headers=headers)
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resp = http.getresponse()
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self.assertEqual(resp.status, 400)
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self.assertEqual(resp.getheader('connection'), 'close')
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self.assertEqual(resp.read(), b'')
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def test_correct_upgrade_request_13(self):
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for http_connection in ['Upgrade', 'UpGrAdE', 'keep-alive, Upgrade']:
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connect = [
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"GET /echo HTTP/1.1",
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"Upgrade: websocket",
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"Connection: %s" % http_connection,
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
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]
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sock = eventlet.connect(('localhost', self.port))
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sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
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result = sock.recv(1024)
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# The server responds the correct Websocket handshake
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print('Connection string: %r' % http_connection)
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self.assertEqual(result, six.b('\r\n'.join([
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'HTTP/1.1 101 Switching Protocols',
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'Upgrade: websocket',
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'Connection: Upgrade',
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'Sec-WebSocket-Accept: ywSyWXCPNsDxLrQdQrn5RFNRfBU=\r\n\r\n',
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])))
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def test_send_recv_13(self):
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connect = [
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"GET /echo HTTP/1.1",
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
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]
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sock = eventlet.connect(
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('localhost', self.port))
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sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
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sock.recv(1024)
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ws = websocket.RFC6455WebSocket(sock, {}, client=True)
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ws.send(b'hello')
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eq_(ws.wait(), b'hello')
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ws.send(b'hello world!\x01')
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ws.send(u'hello world again!')
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eq_(ws.wait(), b'hello world!\x01')
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eq_(ws.wait(), u'hello world again!')
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ws.close()
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eventlet.sleep(0.01)
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def test_breaking_the_connection_13(self):
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error_detected = [False]
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done_with_request = event.Event()
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site = self.site
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def error_detector(environ, start_response):
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try:
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try:
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return site(environ, start_response)
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except:
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error_detected[0] = True
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raise
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finally:
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done_with_request.send(True)
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self.site = error_detector
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self.spawn_server()
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connect = [
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"GET /echo HTTP/1.1",
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
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]
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sock = eventlet.connect(
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('localhost', self.port))
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sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
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sock.recv(1024) # get the headers
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sock.close() # close while the app is running
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done_with_request.wait()
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assert not error_detected[0]
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def test_client_closing_connection_13(self):
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error_detected = [False]
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done_with_request = event.Event()
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site = self.site
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def error_detector(environ, start_response):
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try:
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try:
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return site(environ, start_response)
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except:
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error_detected[0] = True
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raise
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finally:
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done_with_request.send(True)
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self.site = error_detector
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self.spawn_server()
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connect = [
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"GET /echo HTTP/1.1",
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
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]
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sock = eventlet.connect(
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('localhost', self.port))
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sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
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sock.recv(1024) # get the headers
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closeframe = struct.pack('!BBIH', 1 << 7 | 8, 1 << 7 | 2, 0, 1000)
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sock.sendall(closeframe) # "Close the connection" packet.
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done_with_request.wait()
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assert not error_detected[0]
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def test_client_invalid_packet_13(self):
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error_detected = [False]
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done_with_request = event.Event()
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site = self.site
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def error_detector(environ, start_response):
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try:
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try:
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return site(environ, start_response)
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except:
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error_detected[0] = True
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raise
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finally:
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done_with_request.send(True)
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self.site = error_detector
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self.spawn_server()
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connect = [
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"GET /echo HTTP/1.1",
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"Upgrade: websocket",
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"Connection: Upgrade",
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"Host: localhost:%s" % self.port,
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"Origin: http://localhost:%s" % self.port,
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"Sec-WebSocket-Version: 13",
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"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
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]
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sock = eventlet.connect(
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('localhost', self.port))
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sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
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sock.recv(1024) # get the headers
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sock.sendall(b'\x07\xff') # Weird packet.
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done_with_request.wait()
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assert not error_detected[0]
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