python-eventlet/tests/websocket_new_test.py

   1 import errno
   2 import struct
   3
   4 import eventlet
   5 from eventlet import event
   6 from eventlet import websocket
   7 from eventlet.green import httplib
   8 from eventlet.green import socket
   9 from eventlet.support import six
  10
  11 from tests.wsgi_test import _TestBase
  12
  13
  14 # demo app
  15 def handle(ws):
  16     if ws.path == '/echo':
  17         while True:
  18             m = ws.wait()
  19             if m is None:
  20                 break
  21             ws.send(m)
  22     elif ws.path == '/range':
  23         for i in range(10):
  24             ws.send("msg %d" % i)
  25             eventlet.sleep(0.01)
  26     elif ws.path == '/error':
  27         # some random socket error that we shouldn't normally get
  28         raise socket.error(errno.ENOTSOCK)
  29     else:
  30         ws.close()
  31
  32 wsapp = websocket.WebSocketWSGI(handle)
  33
  34
  35 class TestWebSocket(_TestBase):
  36     TEST_TIMEOUT = 5
  37
  38     def set_site(self):
  39         self.site = wsapp
  40
  41     def test_incomplete_headers_13(self):
  42         headers = dict(kv.split(': ') for kv in [
  43             "Upgrade: websocket",
  44             # NOTE: intentionally no connection header
  45             "Host: localhost:%s" % self.port,
  46             "Origin: http://localhost:%s" % self.port,
  47             "Sec-WebSocket-Version: 13",
  48         ])
  49         http = httplib.HTTPConnection('localhost', self.port)
  50         http.request("GET", "/echo", headers=headers)
  51         resp = http.getresponse()
  52
  53         self.assertEqual(resp.status, 400)
  54         self.assertEqual(resp.getheader('connection'), 'close')
  55         self.assertEqual(resp.read(), b'')
  56
  57         # Now, miss off key
  58         headers = dict(kv.split(': ') for kv in [
  59             "Upgrade: websocket",
  60             "Connection: Upgrade",
  61             "Host: localhost:%s" % self.port,
  62             "Origin: http://localhost:%s" % self.port,
  63             "Sec-WebSocket-Version: 13",
  64         ])
  65         http = httplib.HTTPConnection('localhost', self.port)
  66         http.request("GET", "/echo", headers=headers)
  67         resp = http.getresponse()
  68
  69         self.assertEqual(resp.status, 400)
  70         self.assertEqual(resp.getheader('connection'), 'close')
  71         self.assertEqual(resp.read(), b'')
  72
  73         # No Upgrade now
  74         headers = dict(kv.split(': ') for kv in [
  75             "Connection: Upgrade",
  76             "Host: localhost:%s" % self.port,
  77             "Origin: http://localhost:%s" % self.port,
  78             "Sec-WebSocket-Version: 13",
  79         ])
  80         http = httplib.HTTPConnection('localhost', self.port)
  81         http.request("GET", "/echo", headers=headers)
  82         resp = http.getresponse()
  83
  84         self.assertEqual(resp.status, 400)
  85         self.assertEqual(resp.getheader('connection'), 'close')
  86         self.assertEqual(resp.read(), b'')
  87
  88     def test_correct_upgrade_request_13(self):
  89         for http_connection in ['Upgrade', 'UpGrAdE', 'keep-alive, Upgrade']:
  90             connect = [
  91                 "GET /echo HTTP/1.1",
  92                 "Upgrade: websocket",
  93                 "Connection: %s" % http_connection,
  94                 "Host: localhost:%s" % self.port,
  95                 "Origin: http://localhost:%s" % self.port,
  96                 "Sec-WebSocket-Version: 13",
  97                 "Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
  98             ]
  99             sock = eventlet.connect(('localhost', self.port))
 100
 101             sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
 102             result = sock.recv(1024)
 103             # The server responds the correct Websocket handshake
 104             print('Connection string: %r' % http_connection)
 105             self.assertEqual(result, six.b('\r\n'.join([
 106                 'HTTP/1.1 101 Switching Protocols',
 107                 'Upgrade: websocket',
 108                 'Connection: Upgrade',
 109                 'Sec-WebSocket-Accept: ywSyWXCPNsDxLrQdQrn5RFNRfBU=\r\n\r\n',
 110             ])))
 111
 112     def test_send_recv_13(self):
 113         connect = [
 114             "GET /echo HTTP/1.1",
 115             "Upgrade: websocket",
 116             "Connection: Upgrade",
 117             "Host: localhost:%s" % self.port,
 118             "Origin: http://localhost:%s" % self.port,
 119             "Sec-WebSocket-Version: 13",
 120             "Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
 121         ]
 122         sock = eventlet.connect(
 123             ('localhost', self.port))
 124
 125         sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
 126         sock.recv(1024)
 127         ws = websocket.RFC6455WebSocket(sock, {}, client=True)
 128         ws.send(b'hello')
 129         assert ws.wait() == b'hello'
 130         ws.send(b'hello world!\x01')
 131         ws.send(u'hello world again!')
 132         assert ws.wait() == b'hello world!\x01'
 133         assert ws.wait() == u'hello world again!'
 134         ws.close()
 135         eventlet.sleep(0.01)
 136
 137     def test_breaking_the_connection_13(self):
 138         error_detected = [False]
 139         done_with_request = event.Event()
 140         site = self.site
 141
 142         def error_detector(environ, start_response):
 143             try:
 144                 try:
 145                     return site(environ, start_response)
 146                 except:
 147                     error_detected[0] = True
 148                     raise
 149             finally:
 150                 done_with_request.send(True)
 151         self.site = error_detector
 152         self.spawn_server()
 153         connect = [
 154             "GET /echo HTTP/1.1",
 155             "Upgrade: websocket",
 156             "Connection: Upgrade",
 157             "Host: localhost:%s" % self.port,
 158             "Origin: http://localhost:%s" % self.port,
 159             "Sec-WebSocket-Version: 13",
 160             "Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
 161         ]
 162         sock = eventlet.connect(
 163             ('localhost', self.port))
 164         sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
 165         sock.recv(1024)  # get the headers
 166         sock.close()  # close while the app is running
 167         done_with_request.wait()
 168         assert not error_detected[0]
 169
 170     def test_client_closing_connection_13(self):
 171         error_detected = [False]
 172         done_with_request = event.Event()
 173         site = self.site
 174
 175         def error_detector(environ, start_response):
 176             try:
 177                 try:
 178                     return site(environ, start_response)
 179                 except:
 180                     error_detected[0] = True
 181                     raise
 182             finally:
 183                 done_with_request.send(True)
 184         self.site = error_detector
 185         self.spawn_server()
 186         connect = [
 187             "GET /echo HTTP/1.1",
 188             "Upgrade: websocket",
 189             "Connection: Upgrade",
 190             "Host: localhost:%s" % self.port,
 191             "Origin: http://localhost:%s" % self.port,
 192             "Sec-WebSocket-Version: 13",
 193             "Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
 194         ]
 195         sock = eventlet.connect(
 196             ('localhost', self.port))
 197         sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
 198         sock.recv(1024)  # get the headers
 199         closeframe = struct.pack('!BBIH', 1 << 7 | 8, 1 << 7 | 2, 0, 1000)
 200         sock.sendall(closeframe)  # "Close the connection" packet.
 201         done_with_request.wait()
 202         assert not error_detected[0]
 203
 204     def test_client_invalid_packet_13(self):
 205         error_detected = [False]
 206         done_with_request = event.Event()
 207         site = self.site
 208
 209         def error_detector(environ, start_response):
 210             try:
 211                 try:
 212                     return site(environ, start_response)
 213                 except:
 214                     error_detected[0] = True
 215                     raise
 216             finally:
 217                 done_with_request.send(True)
 218         self.site = error_detector
 219         self.spawn_server()
 220         connect = [
 221             "GET /echo HTTP/1.1",
 222             "Upgrade: websocket",
 223             "Connection: Upgrade",
 224             "Host: localhost:%s" % self.port,
 225             "Origin: http://localhost:%s" % self.port,
 226             "Sec-WebSocket-Version: 13",
 227             "Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
 228         ]
 229         sock = eventlet.connect(
 230             ('localhost', self.port))
 231         sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
 232         sock.recv(1024)  # get the headers
 233         sock.sendall(b'\x07\xff')  # Weird packet.
 234         done_with_request.wait()
 235         assert not error_detected[0]