266 lines
9.3 KiB
Python
266 lines
9.3 KiB
Python
from unit.applications.lang.python import TestApplicationPython
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class TestForwardedHeader(TestApplicationPython):
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prerequisites = {'modules': {'python': 'any'}}
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def forwarded_header(self, forwarded):
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assert 'success' in self.conf(
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{
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"127.0.0.1:7081": {
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"forwarded": forwarded,
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"pass": "applications/forwarded_header",
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},
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"[::1]:7082": {
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"forwarded": forwarded,
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"pass": "applications/forwarded_header",
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},
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},
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'listeners',
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), 'listeners configure'
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def get_fwd(self, sock_type='ipv4', xff=None, xfp=None):
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port = 7081 if sock_type == 'ipv4' else 7082
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headers = {'Connection': 'close'}
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if xff is not None:
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headers['X-Forwarded-For'] = xff
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if xfp is not None:
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headers['X-Forwarded-Proto'] = xfp
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return self.get(sock_type=sock_type, port=port, headers=headers)[
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'headers'
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]
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def get_addr(self, *args, **kwargs):
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return self.get_fwd(*args, **kwargs)['Remote-Addr']
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def get_scheme(self, *args, **kwargs):
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return self.get_fwd(*args, **kwargs)['Url-Scheme']
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def setup_method(self):
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self.load('forwarded_header')
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def test_forwarded_header_single_ip(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '123.123.123.123',
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}
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)
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resp = self.get_fwd(xff='1.1.1.1', xfp='https')
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assert resp['Remote-Addr'] == '127.0.0.1', 'both headers addr'
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assert resp['Url-Scheme'] == 'http', 'both headers proto'
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assert self.get_addr() == '127.0.0.1', 'ipv4 default addr'
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assert self.get_addr('ipv6') == '::1', 'ipv6 default addr'
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assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'bad source'
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assert self.get_addr(xff='blah') == '127.0.0.1', 'bad xff'
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assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'bad source ipv6'
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assert self.get_scheme() == 'http', 'ipv4 default proto'
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assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto'
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assert self.get_scheme(xfp='https') == 'http', 'bad proto'
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assert self.get_scheme(xfp='blah') == 'http', 'bad xfp'
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assert self.get_scheme('ipv6', xfp='https') == 'http', 'bad proto ipv6'
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '127.0.0.1',
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}
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)
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resp = self.get_fwd(xff='1.1.1.1', xfp='https')
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assert resp['Remote-Addr'] == '1.1.1.1', 'both headers addr 2'
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assert resp['Url-Scheme'] == 'https', 'both headers proto 2'
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assert self.get_addr() == '127.0.0.1', 'ipv4 default addr 2'
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assert self.get_addr('ipv6') == '::1', 'ipv6 default addr 2'
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assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'xff replace'
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assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'bad source ipv6 2'
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assert self.get_scheme() == 'http', 'ipv4 default proto 2'
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assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto 2'
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assert self.get_scheme(xfp='https') == 'https', 'xfp replace'
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assert self.get_scheme(xfp='on') == 'https', 'xfp replace 2'
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assert (
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self.get_scheme('ipv6', xfp='https') == 'http'
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), 'bad proto ipv6 2'
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '!127.0.0.1',
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}
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)
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assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'bad source 3'
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assert self.get_addr('ipv6', '1.1.1.1') == '1.1.1.1', 'xff replace 2'
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assert self.get_scheme(xfp='https') == 'http', 'bad proto 2'
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assert self.get_scheme('ipv6', xfp='https') == 'https', 'xfp replace 3'
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def test_forwarded_header_ipv4(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '127.0.0.1',
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}
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)
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assert (
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self.get_addr(xff='8.8.8.8, 84.23.23.11') == '84.23.23.11'
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), 'xff replace'
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assert (
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self.get_addr(xff='8.8.8.8, 84.23.23.11, 127.0.0.1') == '127.0.0.1'
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), 'xff replace 2'
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assert (
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self.get_addr(xff=['8.8.8.8', '127.0.0.1, 10.0.1.1']) == '10.0.1.1'
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), 'xff replace multi'
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assert self.get_scheme(xfp='http, https') == 'http', 'xfp replace'
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assert (
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self.get_scheme(xfp='http, https, http') == 'http'
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), 'xfp replace 2'
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assert (
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self.get_scheme(xfp=['http, https', 'http', 'https']) == 'http'
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), 'xfp replace multi'
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def test_forwarded_header_ipv6(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '::1',
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}
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)
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assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'bad source ipv4'
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for ip in [
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'f607:7403:1e4b:6c66:33b2:843f:2517:da27',
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'2001:db8:3c4d:15::1a2f:1a2b',
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'2001::3c4d:15:1a2f:1a2b',
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'::11.22.33.44',
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]:
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assert self.get_addr('ipv6', ip) == ip, 'replace'
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assert self.get_scheme(xfp='https') == 'http', 'bad source ipv4'
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for proto in ['http', 'https']:
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assert self.get_scheme('ipv6', xfp=proto) == proto, 'replace'
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def test_forwarded_header_recursive(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'recursive': True,
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'source': ['127.0.0.1', '10.50.0.17', '10.5.2.1'],
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}
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)
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assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'xff chain'
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assert (
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self.get_addr(xff='1.1.1.1, 10.5.2.1') == '1.1.1.1'
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), 'xff chain 2'
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assert (
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self.get_addr(xff='8.8.8.8, 1.1.1.1, 10.5.2.1') == '1.1.1.1'
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), 'xff chain 3'
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assert (
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self.get_addr(xff='10.50.0.17, 10.5.2.1, 10.5.2.1') == '10.50.0.17'
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), 'xff chain 4'
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assert (
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self.get_addr(xff=['8.8.8.8', '1.1.1.1, 127.0.0.1']) == '1.1.1.1'
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), 'xff replace multi'
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assert (
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self.get_addr(xff=['8.8.8.8', '1.1.1.1, 127.0.0.1', '10.5.2.1'])
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== '1.1.1.1'
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), 'xff replace multi 2'
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assert (
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self.get_addr(xff=['10.5.2.1', '10.50.0.17, 1.1.1.1', '10.5.2.1'])
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== '1.1.1.1'
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), 'xff replace multi 3'
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assert (
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self.get_addr(
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xff='8.8.8.8, 2001:db8:3c4d:15::1a2f:1a2b, 127.0.0.1'
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)
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== '2001:db8:3c4d:15::1a2f:1a2b'
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), 'xff chain ipv6'
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def test_forwarded_header_case_insensitive(self):
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self.forwarded_header(
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{
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'client_ip': 'x-forwarded-for',
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'protocol': 'x-forwarded-proto',
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'source': '127.0.0.1',
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}
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)
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assert self.get_addr() == '127.0.0.1', 'ipv4 default addr'
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assert self.get_addr('ipv6') == '::1', 'ipv6 default addr'
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assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'replace'
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assert self.get_scheme() == 'http', 'ipv4 default proto'
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assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto'
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assert self.get_scheme(xfp='https') == 'https', 'replace 1'
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assert self.get_scheme(xfp='oN') == 'https', 'replace 2'
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def test_forwarded_header_source_empty(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': [],
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}
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)
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assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'empty source xff'
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assert self.get_scheme(xfp='https') == 'http', 'empty source xfp'
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def test_forwarded_header_source_range(self):
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self.forwarded_header(
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{
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'client_ip': 'X-Forwarded-For',
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'protocol': 'X-Forwarded-Proto',
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'source': '127.0.0.0-127.0.0.1',
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}
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)
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assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'source range'
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assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'source range 2'
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def test_forwarded_header_invalid(self):
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assert 'error' in self.conf(
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{
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"127.0.0.1:7081": {
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"forwarded": {"source": '127.0.0.1'},
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"pass": "applications/forwarded_header",
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}
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},
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'listeners',
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), 'invalid forward'
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def check_invalid_source(source):
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assert 'error' in self.conf(
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{
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"127.0.0.1:7081": {
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"forwarded": {
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"client_ip": "X-Forwarded-For",
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"source": source,
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},
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"pass": "applications/forwarded_header",
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}
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},
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'listeners',
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), 'invalid source'
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check_invalid_source(None)
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check_invalid_source('a')
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check_invalid_source(['a'])
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