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import errno
import struct
import eventlet
from eventlet import event
from eventlet import websocket
from eventlet.green import httplib
from eventlet.green import socket
from eventlet.support import six
import tests.wsgi_test
# demo app
def handle(ws):
if ws.path == '/echo':
while True:
m = ws.wait()
if m is None:
break
ws.send(m)
elif ws.path == '/range':
for i in range(10):
ws.send("msg %d" % i)
eventlet.sleep(0.01)
elif ws.path == '/error':
# some random socket error that we shouldn't normally get
raise socket.error(errno.ENOTSOCK)
else:
ws.close()
wsapp = websocket.WebSocketWSGI(handle)
class TestWebSocket(tests.wsgi_test._TestBase):
TEST_TIMEOUT = 5
def set_site(self):
self.site = wsapp
def test_incomplete_headers_13(self):
headers = dict(kv.split(': ') for kv in [
"Upgrade: websocket",
# NOTE: intentionally no connection header
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
])
http = httplib.HTTPConnection(*self.server_addr)
http.request("GET", "/echo", headers=headers)
resp = http.getresponse()
self.assertEqual(resp.status, 400)
self.assertEqual(resp.getheader('connection'), 'close')
self.assertEqual(resp.read(), b'')
# Now, miss off key
headers = dict(kv.split(': ') for kv in [
"Upgrade: websocket",
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
])
http = httplib.HTTPConnection(*self.server_addr)
http.request("GET", "/echo", headers=headers)
resp = http.getresponse()
self.assertEqual(resp.status, 400)
self.assertEqual(resp.getheader('connection'), 'close')
self.assertEqual(resp.read(), b'')
# No Upgrade now
headers = dict(kv.split(': ') for kv in [
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
])
http = httplib.HTTPConnection(*self.server_addr)
http.request("GET", "/echo", headers=headers)
resp = http.getresponse()
self.assertEqual(resp.status, 400)
self.assertEqual(resp.getheader('connection'), 'close')
self.assertEqual(resp.read(), b'')
def test_correct_upgrade_request_13(self):
for http_connection in ['Upgrade', 'UpGrAdE', 'keep-alive, Upgrade']:
connect = [
"GET /echo HTTP/1.1",
"Upgrade: websocket",
"Connection: %s" % http_connection,
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
]
sock = eventlet.connect(self.server_addr)
sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
result = sock.recv(1024)
# The server responds the correct Websocket handshake
print('Connection string: %r' % http_connection)
self.assertEqual(result, six.b('\r\n'.join([
'HTTP/1.1 101 Switching Protocols',
'Upgrade: websocket',
'Connection: Upgrade',
'Sec-WebSocket-Accept: ywSyWXCPNsDxLrQdQrn5RFNRfBU=\r\n\r\n',
])))
def test_send_recv_13(self):
connect = [
"GET /echo HTTP/1.1",
"Upgrade: websocket",
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
]
sock = eventlet.connect(self.server_addr)
sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
sock.recv(1024)
ws = websocket.RFC6455WebSocket(sock, {}, client=True)
ws.send(b'hello')
assert ws.wait() == b'hello'
ws.send(b'hello world!\x01')
ws.send(u'hello world again!')
assert ws.wait() == b'hello world!\x01'
assert ws.wait() == u'hello world again!'
ws.close()
eventlet.sleep(0.01)
def test_breaking_the_connection_13(self):
error_detected = [False]
done_with_request = event.Event()
site = self.site
def error_detector(environ, start_response):
try:
try:
return site(environ, start_response)
except:
error_detected[0] = True
raise
finally:
done_with_request.send(True)
self.site = error_detector
self.spawn_server()
connect = [
"GET /echo HTTP/1.1",
"Upgrade: websocket",
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
]
sock = eventlet.connect(self.server_addr)
sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
sock.recv(1024) # get the headers
sock.close() # close while the app is running
done_with_request.wait()
assert not error_detected[0]
def test_client_closing_connection_13(self):
error_detected = [False]
done_with_request = event.Event()
site = self.site
def error_detector(environ, start_response):
try:
try:
return site(environ, start_response)
except:
error_detected[0] = True
raise
finally:
done_with_request.send(True)
self.site = error_detector
self.spawn_server()
connect = [
"GET /echo HTTP/1.1",
"Upgrade: websocket",
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
]
sock = eventlet.connect(self.server_addr)
sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
sock.recv(1024) # get the headers
closeframe = struct.pack('!BBIH', 1 << 7 | 8, 1 << 7 | 2, 0, 1000)
sock.sendall(closeframe) # "Close the connection" packet.
done_with_request.wait()
assert not error_detected[0]
def test_client_invalid_packet_13(self):
error_detected = [False]
done_with_request = event.Event()
site = self.site
def error_detector(environ, start_response):
try:
try:
return site(environ, start_response)
except:
error_detected[0] = True
raise
finally:
done_with_request.send(True)
self.site = error_detector
self.spawn_server()
connect = [
"GET /echo HTTP/1.1",
"Upgrade: websocket",
"Connection: Upgrade",
"Host: %s:%s" % self.server_addr,
"Origin: http://%s:%s" % self.server_addr,
"Sec-WebSocket-Version: 13",
"Sec-WebSocket-Key: d9MXuOzlVQ0h+qRllvSCIg==",
]
sock = eventlet.connect(self.server_addr)
sock.sendall(six.b('\r\n'.join(connect) + '\r\n\r\n'))
sock.recv(1024) # get the headers
sock.sendall(b'\x07\xff') # Weird packet.
done_with_request.wait()
assert not error_detected[0]
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