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|
import os
import re
import socket
import select
import time
from unit.applications.lang.python import TestApplicationPython
class TestProxyChunked(TestApplicationPython):
prerequisites = {'modules': {'python': 'any'}}
SERVER_PORT = 7999
@staticmethod
def run_server(server_port, testdir):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
server_address = ('127.0.0.1', server_port)
sock.bind(server_address)
sock.listen(10)
def recvall(sock):
buff_size = 4096 * 4096
data = b''
while True:
rlist = select.select([sock], [], [], 0.1)
if not rlist[0]:
break
part = sock.recv(buff_size)
data += part
if not len(part):
break
return data
while True:
connection, client_address = sock.accept()
req = """HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked"""
data = recvall(connection).decode()
m = re.search('\x0d\x0a\x0d\x0a(.*)', data, re.M | re.S)
if m is not None:
body = m.group(1)
for line in re.split('\r\n', body):
add = ''
m1 = re.search('(.*)\sX\s(\d+)', line)
if m1 is not None:
add = m1.group(1) * int(m1.group(2))
else:
add = line
req = req + add + '\r\n'
for chunk in re.split(r'([@#])', req):
if chunk == '@' or chunk == '#':
if chunk == '#':
time.sleep(0.1)
continue
connection.sendall(chunk.encode())
connection.close()
def chunks(self, chunks):
body = '\r\n\r\n'
for l, c in chunks:
body = body + l + '\r\n' + c + '\r\n'
return body + '0\r\n\r\n'
def get_http10(self, *args, **kwargs):
return self.get(*args, http_10=True, **kwargs)
def setUp(self):
super().setUp()
self.run_process(self.run_server, self.SERVER_PORT, self.testdir)
self.waitforsocket(self.SERVER_PORT)
self.assertIn(
'success',
self.conf(
{
"listeners": {"*:7080": {"pass": "routes"},},
"routes": [
{
"action": {
"proxy": "http://127.0.0.1:" + str(self.SERVER_PORT)
}
}
],
}
),
'proxy initial configuration',
)
def test_proxy_chunked(self):
for _ in range(10):
self.assertEqual(
self.get_http10(body='\r\n\r\n0\r\n\r\n')['status'], 200
)
def test_proxy_chunked_body(self):
part = '0123456789abcdef'
self.assertEqual(
self.get_http10(body=self.chunks([('1000', part + ' X 256')]))[
'body'
],
part * 256,
)
self.assertEqual(
self.get_http10(body=self.chunks([('100000', part + ' X 65536')]))[
'body'
],
part * 65536,
)
self.assertEqual(
self.get_http10(
body=self.chunks([('1000000', part + ' X 1048576')]),
read_buffer_size=4096 * 4096,
)['body'],
part * 1048576,
)
self.assertEqual(
self.get_http10(
body=self.chunks(
[('1000', part + ' X 256'), ('1000', part + ' X 256')]
)
)['body'],
part * 256 * 2,
)
self.assertEqual(
self.get_http10(
body=self.chunks(
[
('100000', part + ' X 65536'),
('100000', part + ' X 65536'),
]
)
)['body'],
part * 65536 * 2,
)
self.assertEqual(
self.get_http10(
body=self.chunks(
[
('1000000', part + ' X 1048576'),
('1000000', part + ' X 1048576'),
]
),
read_buffer_size=4096 * 4096,
)['body'],
part * 1048576 * 2,
)
def test_proxy_chunked_fragmented(self):
part = '0123456789abcdef'
self.assertEqual(
self.get_http10(
body=self.chunks(
[('1', hex(i % 16)[2:]) for i in range(4096)]
),
)['body'],
part * 256,
)
def test_proxy_chunked_send(self):
self.assertEqual(
self.get_http10(body='\r\n\r\n@0@\r\n\r\n')['status'], 200
)
self.assertEqual(
self.get_http10(
body='\r@\n\r\n2\r@\na@b\r\n2\r\ncd@\r\n0\r@\n\r\n'
)['body'],
'abcd',
)
self.assertEqual(
self.get_http10(
body='\r\n\r\n2\r#\na#b\r\n##2\r\n#cd\r\n0\r\n#\r#\n'
)['body'],
'abcd',
)
def test_proxy_chunked_invalid(self):
def check_invalid(body):
self.assertNotEqual(self.get_http10(body=body)['status'], 200)
check_invalid('\r\n\r0')
check_invalid('\r\n\r\n\r0')
check_invalid('\r\n\r\n\r\n0')
check_invalid('\r\nContent-Length: 5\r\n\r\n0\r\n\r\n')
check_invalid('\r\n\r\n1\r\nXX\r\n0\r\n\r\n')
check_invalid('\r\n\r\n2\r\nX\r\n0\r\n\r\n')
check_invalid('\r\n\r\nH\r\nXX\r\n0\r\n\r\n')
check_invalid('\r\n\r\n0\r\nX')
resp = self.get_http10(body='\r\n\r\n65#\r\nA X 100')
self.assertEqual(resp['status'], 200, 'incomplete chunk status')
self.assertNotEqual(resp['body'][-5:], '0\r\n\r\n', 'incomplete chunk')
resp = self.get_http10(body='\r\n\r\n64#\r\nA X 100')
self.assertEqual(resp['status'], 200, 'no zero chunk status')
self.assertNotEqual(resp['body'][-5:], '0\r\n\r\n', 'no zero chunk')
self.assertEqual(
self.get_http10(body='\r\n\r\n80000000\r\nA X 100')['status'], 200,
)
self.assertEqual(
self.get_http10(body='\r\n\r\n10000000000000000\r\nA X 100')[
'status'
],
502,
)
self.assertGreaterEqual(
len(
self.get_http10(
body='\r\n\r\n1000000\r\nA X 1048576\r\n1000000\r\nA X 100',
read_buffer_size=4096 * 4096,
)['body']
),
1048576,
)
self.assertGreaterEqual(
len(
self.get_http10(
body='\r\n\r\n1000000\r\nA X 1048576\r\nXXX\r\nA X 100',
read_buffer_size=4096 * 4096,
)['body']
),
1048576,
)
if __name__ == '__main__':
TestProxyChunked.main()
|
