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test_client_ip.py
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import pytest
from unit.applications.lang.python import ApplicationPython
from unit.option import option
prerequisites = {'modules': {'python': 'any'}}
client = ApplicationPython()
@pytest.fixture(autouse=True)
def setup_method_fixture():
client.load('client_ip')
def client_ip(options):
assert 'success' in client.conf(
{
"127.0.0.1:8081": {
"client_ip": options,
"pass": "applications/client_ip",
},
"[::1]:8082": {
"client_ip": options,
"pass": "applications/client_ip",
},
f"unix:{option.temp_dir}/sock": {
"client_ip": options,
"pass": "applications/client_ip",
},
},
'listeners',
), 'listeners configure'
def get_xff(xff, sock_type='ipv4'):
address = {
'ipv4': ('127.0.0.1', 8081),
'ipv6': ('::1', 8082),
'unix': (f'{option.temp_dir}/sock', None),
}
(addr, port) = address[sock_type]
return client.get(
sock_type=sock_type,
addr=addr,
port=port,
headers={'Connection': 'close', 'X-Forwarded-For': xff},
)['body']
def test_client_ip_single_ip():
client_ip({'header': 'X-Forwarded-For', 'source': '123.123.123.123'})
assert client.get(port=8081)['body'] == '127.0.0.1', 'ipv4 default'
assert (
client.get(sock_type='ipv6', port=8082)['body'] == '::1'
), 'ipv6 default'
assert get_xff('1.1.1.1') == '127.0.0.1', 'bad source'
assert get_xff('blah') == '127.0.0.1', 'bad header'
assert get_xff('1.1.1.1', 'ipv6') == '::1', 'bad source ipv6'
client_ip({'header': 'X-Forwarded-For', 'source': '127.0.0.1'})
assert client.get(port=8081)['body'] == '127.0.0.1', 'ipv4 default 2'
assert (
client.get(sock_type='ipv6', port=8082)['body'] == '::1'
), 'ipv6 default 2'
assert get_xff('1.1.1.1') == '1.1.1.1', 'replace'
assert get_xff('blah') == '127.0.0.1', 'bad header 2'
assert get_xff('1.1.1.1', 'ipv6') == '::1', 'bad source ipv6 2'
client_ip({'header': 'X-Forwarded-For', 'source': '!127.0.0.1'})
assert get_xff('1.1.1.1') == '127.0.0.1', 'bad source 3'
assert get_xff('1.1.1.1', 'ipv6') == '1.1.1.1', 'replace 2'
def test_client_ip_ipv4():
client_ip({'header': 'X-Forwarded-For', 'source': '127.0.0.1'})
assert get_xff('8.8.8.8, 84.23.23.11') == '84.23.23.11', 'xff replace'
assert (
get_xff('8.8.8.8, 84.23.23.11, 127.0.0.1') == '127.0.0.1'
), 'xff replace 2'
assert (
get_xff(['8.8.8.8', '127.0.0.1, 10.0.1.1']) == '10.0.1.1'
), 'xff replace multi'
def test_client_ip_ipv6():
client_ip({'header': 'X-Forwarded-For', 'source': '::1'})
assert get_xff('1.1.1.1') == '127.0.0.1', 'bad source ipv4'
for ip in [
'f607:7403:1e4b:6c66:33b2:843f:2517:da27',
'2001:db8:3c4d:15::1a2f:1a2b',
'2001::3c4d:15:1a2f:1a2b',
'::11.22.33.44',
]:
assert get_xff(ip, 'ipv6') == ip, 'replace'
def test_client_ip_unix():
client_ip({'header': 'X-Forwarded-For', 'source': 'unix'})
assert get_xff('1.1.1.1') == '127.0.0.1', 'bad source ipv4'
assert get_xff('1.1.1.1', 'ipv6') == '::1', 'bad source ipv6'
for ip in [
'1.1.1.1',
'::11.22.33.44',
]:
assert get_xff(ip, 'unix') == ip, 'replace'
def test_client_ip_recursive():
client_ip(
{
'header': 'X-Forwarded-For',
'recursive': True,
'source': ['127.0.0.1', '10.50.0.17', '10.5.2.1'],
}
)
assert get_xff('1.1.1.1') == '1.1.1.1', 'xff chain'
assert get_xff('1.1.1.1, 10.5.2.1') == '1.1.1.1', 'xff chain 2'
assert get_xff('8.8.8.8, 1.1.1.1, 10.5.2.1') == '1.1.1.1', 'xff chain 3'
assert (
get_xff('10.50.0.17, 10.5.2.1, 10.5.2.1') == '10.50.0.17'
), 'xff chain 4'
assert (
get_xff(['8.8.8.8', '1.1.1.1, 127.0.0.1']) == '1.1.1.1'
), 'xff replace multi'
assert (
get_xff(['8.8.8.8', '1.1.1.1, 127.0.0.1', '10.5.2.1']) == '1.1.1.1'
), 'xff replace multi 2'
assert (
get_xff(['10.5.2.1', '10.50.0.17, 1.1.1.1', '10.5.2.1']) == '1.1.1.1'
), 'xff replace multi 3'
assert (
get_xff('8.8.8.8, 2001:db8:3c4d:15::1a2f:1a2b, 127.0.0.1')
== '2001:db8:3c4d:15::1a2f:1a2b'
), 'xff chain ipv6'
def test_client_ip_case_insensitive():
client_ip({'header': 'x-forwarded-for', 'source': '127.0.0.1'})
assert get_xff('1.1.1.1') == '1.1.1.1', 'case insensitive'
def test_client_ip_empty_source():
client_ip({'header': 'X-Forwarded-For', 'source': []})
assert get_xff('1.1.1.1') == '127.0.0.1', 'empty source'
def test_client_ip_invalid():
assert 'error' in client.conf(
{
"127.0.0.1:8081": {
"client_ip": {"source": '127.0.0.1'},
"pass": "applications/client_ip",
}
},
'listeners',
), 'invalid header'
def check_invalid_source(source):
assert 'error' in client.conf(
{
"127.0.0.1:8081": {
"client_ip": {
"header": "X-Forwarded-For",
"source": source,
},
"pass": "applications/client_ip",
}
},
'listeners',
), 'invalid source'
check_invalid_source(None)
check_invalid_source('a')
check_invalid_source(['a'])