diff options
Diffstat (limited to '')
-rw-r--r-- | test/test_forwarded_header.py | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/test/test_forwarded_header.py b/test/test_forwarded_header.py new file mode 100644 index 00000000..eb2f25f8 --- /dev/null +++ b/test/test_forwarded_header.py @@ -0,0 +1,266 @@ +from unit.applications.lang.python import TestApplicationPython + + +class TestForwardedHeader(TestApplicationPython): + prerequisites = {'modules': {'python': 'any'}} + + def forwarded_header(self, forwarded): + assert 'success' in self.conf( + { + "127.0.0.1:7081": { + "forwarded": forwarded, + "pass": "applications/forwarded_header", + }, + "[::1]:7082": { + "forwarded": forwarded, + "pass": "applications/forwarded_header", + }, + }, + 'listeners', + ), 'listeners configure' + + def get_fwd(self, sock_type='ipv4', xff=None, xfp=None): + port = 7081 if sock_type == 'ipv4' else 7082 + + headers = {'Connection': 'close'} + + if xff is not None: + headers['X-Forwarded-For'] = xff + + if xfp is not None: + headers['X-Forwarded-Proto'] = xfp + + return self.get(sock_type=sock_type, port=port, headers=headers)[ + 'headers' + ] + + def get_addr(self, *args, **kwargs): + return self.get_fwd(*args, **kwargs)['Remote-Addr'] + + def get_scheme(self, *args, **kwargs): + return self.get_fwd(*args, **kwargs)['Url-Scheme'] + + def setup_method(self): + self.load('forwarded_header') + + def test_forwarded_header_single_ip(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '123.123.123.123', + } + ) + + resp = self.get_fwd(xff='1.1.1.1', xfp='https') + assert resp['Remote-Addr'] == '127.0.0.1', 'both headers addr' + assert resp['Url-Scheme'] == 'http', 'both headers proto' + + assert self.get_addr() == '127.0.0.1', 'ipv4 default addr' + assert self.get_addr('ipv6') == '::1', 'ipv6 default addr' + assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'bad source' + assert self.get_addr(xff='blah') == '127.0.0.1', 'bad xff' + assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'bad source ipv6' + + assert self.get_scheme() == 'http', 'ipv4 default proto' + assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto' + assert self.get_scheme(xfp='https') == 'http', 'bad proto' + assert self.get_scheme(xfp='blah') == 'http', 'bad xfp' + assert self.get_scheme('ipv6', xfp='https') == 'http', 'bad proto ipv6' + + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '127.0.0.1', + } + ) + + resp = self.get_fwd(xff='1.1.1.1', xfp='https') + assert resp['Remote-Addr'] == '1.1.1.1', 'both headers addr 2' + assert resp['Url-Scheme'] == 'https', 'both headers proto 2' + + assert self.get_addr() == '127.0.0.1', 'ipv4 default addr 2' + assert self.get_addr('ipv6') == '::1', 'ipv6 default addr 2' + assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'xff replace' + assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'bad source ipv6 2' + + assert self.get_scheme() == 'http', 'ipv4 default proto 2' + assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto 2' + assert self.get_scheme(xfp='https') == 'https', 'xfp replace' + assert self.get_scheme(xfp='on') == 'https', 'xfp replace 2' + assert ( + self.get_scheme('ipv6', xfp='https') == 'http' + ), 'bad proto ipv6 2' + + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '!127.0.0.1', + } + ) + + assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'bad source 3' + assert self.get_addr('ipv6', '1.1.1.1') == '1.1.1.1', 'xff replace 2' + assert self.get_scheme(xfp='https') == 'http', 'bad proto 2' + assert self.get_scheme('ipv6', xfp='https') == 'https', 'xfp replace 3' + + def test_forwarded_header_ipv4(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '127.0.0.1', + } + ) + + assert ( + self.get_addr(xff='8.8.8.8, 84.23.23.11') == '84.23.23.11' + ), 'xff replace' + assert ( + self.get_addr(xff='8.8.8.8, 84.23.23.11, 127.0.0.1') == '127.0.0.1' + ), 'xff replace 2' + assert ( + self.get_addr(xff=['8.8.8.8', '127.0.0.1, 10.0.1.1']) == '10.0.1.1' + ), 'xff replace multi' + + assert self.get_scheme(xfp='http, https') == 'http', 'xfp replace' + assert ( + self.get_scheme(xfp='http, https, http') == 'http' + ), 'xfp replace 2' + assert ( + self.get_scheme(xfp=['http, https', 'http', 'https']) == 'http' + ), 'xfp replace multi' + + def test_forwarded_header_ipv6(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '::1', + } + ) + + assert self.get_addr(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 self.get_addr('ipv6', ip) == ip, 'replace' + + assert self.get_scheme(xfp='https') == 'http', 'bad source ipv4' + + for proto in ['http', 'https']: + assert self.get_scheme('ipv6', xfp=proto) == proto, 'replace' + + def test_forwarded_header_recursive(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'recursive': True, + 'source': ['127.0.0.1', '10.50.0.17', '10.5.2.1'], + } + ) + + assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'xff chain' + assert ( + self.get_addr(xff='1.1.1.1, 10.5.2.1') == '1.1.1.1' + ), 'xff chain 2' + assert ( + self.get_addr(xff='8.8.8.8, 1.1.1.1, 10.5.2.1') == '1.1.1.1' + ), 'xff chain 3' + assert ( + self.get_addr(xff='10.50.0.17, 10.5.2.1, 10.5.2.1') == '10.50.0.17' + ), 'xff chain 4' + assert ( + self.get_addr(xff=['8.8.8.8', '1.1.1.1, 127.0.0.1']) == '1.1.1.1' + ), 'xff replace multi' + assert ( + self.get_addr(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 ( + self.get_addr(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 ( + self.get_addr( + 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_forwarded_header_case_insensitive(self): + self.forwarded_header( + { + 'client_ip': 'x-forwarded-for', + 'protocol': 'x-forwarded-proto', + 'source': '127.0.0.1', + } + ) + + assert self.get_addr() == '127.0.0.1', 'ipv4 default addr' + assert self.get_addr('ipv6') == '::1', 'ipv6 default addr' + assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'replace' + + assert self.get_scheme() == 'http', 'ipv4 default proto' + assert self.get_scheme('ipv6') == 'http', 'ipv6 default proto' + assert self.get_scheme(xfp='https') == 'https', 'replace 1' + assert self.get_scheme(xfp='oN') == 'https', 'replace 2' + + def test_forwarded_header_source_empty(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': [], + } + ) + + assert self.get_addr(xff='1.1.1.1') == '127.0.0.1', 'empty source xff' + assert self.get_scheme(xfp='https') == 'http', 'empty source xfp' + + def test_forwarded_header_source_range(self): + self.forwarded_header( + { + 'client_ip': 'X-Forwarded-For', + 'protocol': 'X-Forwarded-Proto', + 'source': '127.0.0.0-127.0.0.1', + } + ) + + assert self.get_addr(xff='1.1.1.1') == '1.1.1.1', 'source range' + assert self.get_addr('ipv6', '1.1.1.1') == '::1', 'source range 2' + + def test_forwarded_header_invalid(self): + assert 'error' in self.conf( + { + "127.0.0.1:7081": { + "forwarded": {"source": '127.0.0.1'}, + "pass": "applications/forwarded_header", + } + }, + 'listeners', + ), 'invalid forward' + + def check_invalid_source(source): + assert 'error' in self.conf( + { + "127.0.0.1:7081": { + "forwarded": { + "client_ip": "X-Forwarded-For", + "source": source, + }, + "pass": "applications/forwarded_header", + } + }, + 'listeners', + ), 'invalid source' + + check_invalid_source(None) + check_invalid_source('a') + check_invalid_source(['a']) |