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|
import re
import select
import socket
import time
import pytest
from conftest import run_process
from unit.applications.lang.python import TestApplicationPython
from unit.utils import waitforsocket
prerequisites = {'modules': {'python': 'any'}}
class TestProxyChunked(TestApplicationPython):
SERVER_PORT = 7999
@pytest.fixture(autouse=True)
def setup_method_fixture(self):
run_process(self.run_server, self.SERVER_PORT)
waitforsocket(self.SERVER_PORT)
assert 'success' in self.conf(
{
"listeners": {
"*:7080": {"pass": "routes"},
},
"routes": [
{
"action": {
"proxy": f'http://127.0.0.1:{self.SERVER_PORT}'
}
}
],
}
), 'proxy initial configuration'
@staticmethod
def run_server(server_port):
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, _ = 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(r'(.*)\sX\s(\d+)', line)
if m1 is not None:
add = m1.group(1) * int(m1.group(2))
else:
add = line
req = f'{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 = f'{body}{l}\r\n{c}\r\n'
return f'{body}0\r\n\r\n'
def get_http10(self, *args, **kwargs):
return self.get(*args, http_10=True, **kwargs)
def test_proxy_chunked(self):
for _ in range(10):
assert self.get_http10(body='\r\n\r\n0\r\n\r\n')['status'] == 200
def test_proxy_chunked_body(self):
part = '0123456789abcdef'
assert (
self.get_http10(body=self.chunks([('1000', f'{part} X 256')]))[
'body'
]
== part * 256
)
assert (
self.get_http10(body=self.chunks([('100000', f'{part} X 65536')]))[
'body'
]
== part * 65536
)
assert (
self.get_http10(
body=self.chunks([('1000000', f'{part} X 1048576')]),
read_buffer_size=4096 * 4096,
)['body']
== part * 1048576
)
assert (
self.get_http10(
body=self.chunks(
[('1000', f'{part} X 256'), ('1000', f'{part} X 256')]
)
)['body']
== part * 256 * 2
)
assert (
self.get_http10(
body=self.chunks(
[
('100000', f'{part} X 65536'),
('100000', f'{part} X 65536'),
]
)
)['body']
== part * 65536 * 2
)
assert (
self.get_http10(
body=self.chunks(
[
('1000000', f'{part} X 1048576'),
('1000000', f'{part} X 1048576'),
]
),
read_buffer_size=4096 * 4096,
)['body']
== part * 1048576 * 2
)
def test_proxy_chunked_fragmented(self):
part = '0123456789abcdef'
assert (
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):
assert self.get_http10(body='\r\n\r\n@0@\r\n\r\n')['status'] == 200
assert (
self.get_http10(
body='\r@\n\r\n2\r@\na@b\r\n2\r\ncd@\r\n0\r@\n\r\n'
)['body']
== 'abcd'
)
assert (
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):
assert 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')
assert resp['status'] == 200, 'incomplete chunk status'
assert resp['body'][-5:] != '0\r\n\r\n', 'incomplete chunk'
resp = self.get_http10(body='\r\n\r\n64#\r\nA X 100')
assert resp['status'] == 200, 'no zero chunk status'
assert resp['body'][-5:] != '0\r\n\r\n', 'no zero chunk'
assert (
self.get_http10(body='\r\n\r\n80000000\r\nA X 100')['status'] == 200
)
assert (
self.get_http10(body='\r\n\r\n10000000000000000\r\nA X 100')[
'status'
]
== 502
)
assert (
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
)
assert (
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
)
|
