diff options
Diffstat (limited to 'test/modules/proxy')
-rw-r--r-- | test/modules/proxy/__init__.py | 0 | ||||
-rw-r--r-- | test/modules/proxy/conftest.py | 51 | ||||
-rw-r--r-- | test/modules/proxy/env.py | 54 | ||||
-rw-r--r-- | test/modules/proxy/test_01_http.py | 94 | ||||
-rw-r--r-- | test/modules/proxy/test_02_unix.py | 185 |
5 files changed, 384 insertions, 0 deletions
diff --git a/test/modules/proxy/__init__.py b/test/modules/proxy/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/test/modules/proxy/__init__.py diff --git a/test/modules/proxy/conftest.py b/test/modules/proxy/conftest.py new file mode 100644 index 0000000..23c5f14 --- /dev/null +++ b/test/modules/proxy/conftest.py @@ -0,0 +1,51 @@ +import logging +import os +import sys +import pytest + +from .env import ProxyTestEnv + +sys.path.append(os.path.join(os.path.dirname(__file__), '../..')) + + +def pytest_report_header(config, startdir): + env = ProxyTestEnv() + return "mod_proxy: [apache: {aversion}({prefix})]".format( + prefix=env.prefix, + aversion=env.get_httpd_version(), + ) + + +@pytest.fixture(scope="package") +def env(pytestconfig) -> ProxyTestEnv: + level = logging.INFO + console = logging.StreamHandler() + console.setLevel(level) + console.setFormatter(logging.Formatter('%(levelname)s: %(message)s')) + logging.getLogger('').addHandler(console) + logging.getLogger('').setLevel(level=level) + env = ProxyTestEnv(pytestconfig=pytestconfig) + env.setup_httpd() + env.apache_access_log_clear() + env.httpd_error_log.clear_log() + return env + + +@pytest.fixture(autouse=True, scope="package") +def _session_scope(env): + # we'd like to check the httpd error logs after the test suite has + # run to catch anything unusual. For this, we setup the ignore list + # of errors and warnings that we do expect. + env.httpd_error_log.set_ignored_lognos([ + 'AH01144', # No protocol handler was valid for the URL + ]) + + env.httpd_error_log.add_ignored_patterns([ + #re.compile(r'.*urn:ietf:params:acme:error:.*'), + ]) + yield + assert env.apache_stop() == 0 + errors, warnings = env.httpd_error_log.get_missed() + assert (len(errors), len(warnings)) == (0, 0),\ + f"apache logged {len(errors)} errors and {len(warnings)} warnings: \n"\ + "{0}\n{1}\n".format("\n".join(errors), "\n".join(warnings)) diff --git a/test/modules/proxy/env.py b/test/modules/proxy/env.py new file mode 100644 index 0000000..9ed635c --- /dev/null +++ b/test/modules/proxy/env.py @@ -0,0 +1,54 @@ +import inspect +import logging +import os +import re +import subprocess +from typing import Dict, Any + +from pyhttpd.certs import CertificateSpec +from pyhttpd.conf import HttpdConf +from pyhttpd.env import HttpdTestEnv, HttpdTestSetup + +log = logging.getLogger(__name__) + + +class ProxyTestSetup(HttpdTestSetup): + + def __init__(self, env: 'HttpdTestEnv'): + super().__init__(env=env) + self.add_source_dir(os.path.dirname(inspect.getfile(ProxyTestSetup))) + self.add_modules(["proxy", "proxy_http", "proxy_balancer", "lbmethod_byrequests"]) + + +class ProxyTestEnv(HttpdTestEnv): + + def __init__(self, pytestconfig=None): + super().__init__(pytestconfig=pytestconfig) + self.add_httpd_conf([ + ]) + self._d_reverse = f"reverse.{self.http_tld}" + self._d_forward = f"forward.{self.http_tld}" + self._d_mixed = f"mixed.{self.http_tld}" + + self.add_httpd_log_modules(["proxy", "proxy_http", "proxy_balancer", "lbmethod_byrequests", "ssl"]) + self.add_cert_specs([ + CertificateSpec(domains=[ + self._d_forward, self._d_reverse, self._d_mixed + ]), + CertificateSpec(domains=[f"noh2.{self.http_tld}"], key_type='rsa2048'), + ]) + + def setup_httpd(self, setup: HttpdTestSetup = None): + super().setup_httpd(setup=ProxyTestSetup(env=self)) + + @property + def d_forward(self): + return self._d_forward + + @property + def d_reverse(self): + return self._d_reverse + + @property + def d_mixed(self): + return self._d_mixed diff --git a/test/modules/proxy/test_01_http.py b/test/modules/proxy/test_01_http.py new file mode 100644 index 0000000..7763565 --- /dev/null +++ b/test/modules/proxy/test_01_http.py @@ -0,0 +1,94 @@ +import os +import time + +import pytest + +from pyhttpd.conf import HttpdConf + + +class TestProxyHttp: + + @pytest.fixture(autouse=True, scope='class') + def _class_scope(self, env): + # setup 3 vhosts on https: for reverse, forward and mixed proxying + # setup 3 vhosts on http: with different document roots + conf = HttpdConf(env) + conf.add("ProxyPreserveHost on") + conf.start_vhost(domains=[env.d_reverse], port=env.https_port) + conf.add([ + f"ProxyPass / http://127.0.0.1:{env.http_port}/" + ]) + conf.end_vhost() + conf.add_vhost(domains=[env.d_reverse], port=env.http_port, doc_root='htdocs/test1') + + conf.start_vhost(domains=[env.d_forward], port=env.https_port) + conf.add([ + "ProxyRequests on" + ]) + conf.end_vhost() + conf.add_vhost(domains=[env.d_forward], port=env.http_port, doc_root='htdocs/test2') + + conf.start_vhost(domains=[env.d_mixed], port=env.https_port) + conf.add([ + f"ProxyPass / http://127.0.0.1:{env.http_port}/", + "ProxyRequests on" + ]) + conf.end_vhost() + conf.add_vhost(domains=[env.d_mixed], port=env.http_port, doc_root='htdocs') + conf.install() + assert env.apache_restart() == 0 + + @pytest.mark.parametrize(["via", "seen"], [ + ["reverse", "test1"], + ["mixed", "generic"], + ]) + def test_proxy_01_001(self, env, via, seen): + # make requests to a reverse proxy https: vhost to the http: vhost + # check that we see the document we expect there (host matching worked) + r = env.curl_get(f"https://{via}.{env.http_tld}:{env.https_port}/alive.json", 5) + assert r.response["status"] == 200 + assert r.json['host'] == seen + + @pytest.mark.parametrize(["via", "seen"], [ + ["reverse", "test1"], + ["forward", "test2"], + ["mixed", "generic"], + ]) + def test_proxy_01_002(self, env, via, seen): + # make requests to a forward proxy https: vhost to the http: vhost + # check that we see the document we expect there (host matching worked) + # we need to explicitly provide a Host: header since mod_proxy cannot + # resolve the name via DNS. + domain = f"{via}.{env.http_tld}" + r = env.curl_get(f"http://127.0.0.1:{env.http_port}/alive.json", 5, options=[ + '-H', f"Host: {domain}", + '--proxy', f"https://{domain}:{env.https_port}/", + '--resolve', f"{domain}:{env.https_port}:127.0.0.1", + '--proxy-cacert', f"{env.get_ca_pem_file(domain)}", + + ]) + assert r.exit_code == 0, f"{r.stdout}{r.stderr}" + assert r.response["status"] == 200 + assert r.json['host'] == seen + + def test_proxy_01_003(self, env): + domain = f"test1.{env.http_tld}" + conf = HttpdConf(env) + conf.add([ + "ProxyPreserveHost on", + "<Proxy balancer://backends>", + f" BalancerMember https://localhost:{env.https_port}", + " SSLProxyEngine on", + "</Proxy>", + ]) + conf.start_vhost(domains=[domain], port=env.https_port, doc_root="htdocs/test1") + conf.add([ + "ProxyPass /proxy balancer://backends", + "ProxyPassReverse /proxy balancer://backends", + ]) + conf.end_vhost() + conf.install() + assert env.apache_restart() == 0 + r = env.curl_get(f"https://{domain}:{env.https_port}/proxy/alive.json", 5) + assert r.response["status"] == 200 + assert r.json['host'] == "test1" diff --git a/test/modules/proxy/test_02_unix.py b/test/modules/proxy/test_02_unix.py new file mode 100644 index 0000000..a66cdf7 --- /dev/null +++ b/test/modules/proxy/test_02_unix.py @@ -0,0 +1,185 @@ +import os +import re +import socket +from threading import Thread + +import pytest + +from pyhttpd.conf import HttpdConf +from pyhttpd.result import ExecResult + + +class UDSFaker: + + def __init__(self, path): + self._uds_path = path + self._done = False + + def start(self): + def process(self): + self._socket.listen(1) + self._process() + + try: + os.unlink(self._uds_path) + except OSError: + if os.path.exists(self._uds_path): + raise + self._socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) + self._socket.bind(self._uds_path) + self._thread = Thread(target=process, daemon=True, args=[self]) + self._thread.start() + + def stop(self): + self._done = True + self._socket.close() + + def _process(self): + while self._done is False: + try: + c, client_address = self._socket.accept() + try: + data = c.recv(16) + c.sendall("""HTTP/1.1 200 Ok +Server: UdsFaker +Content-Type: application/json +Content-Length: 19 + +{ "host": "faked" }""".encode()) + finally: + c.close() + + except ConnectionAbortedError: + self._done = True + + +class TestProxyUds: + + @pytest.fixture(autouse=True, scope='class') + def _class_scope(self, env): + # setup 3 vhosts on https: for reverse, forward and + # mixed proxying to a unix: domain socket + # We setup a UDSFaker running that returns a fixed response + UDS_PATH = f"{env.gen_dir}/proxy_02.sock" + TestProxyUds.UDS_PATH = UDS_PATH + faker = UDSFaker(path=UDS_PATH) + faker.start() + + conf = HttpdConf(env) + conf.add("ProxyPreserveHost on") + conf.start_vhost(domains=[env.d_reverse], port=env.https_port) + conf.add([ + f"ProxyPass / unix:{UDS_PATH}|http://127.0.0.1:{env.http_port}/" + ]) + conf.end_vhost() + + conf.start_vhost(domains=[env.d_forward], port=env.https_port) + conf.add([ + "ProxyRequests on" + ]) + conf.end_vhost() + + conf.start_vhost(domains=[env.d_mixed], port=env.https_port) + conf.add([ + f"ProxyPass / unix:{UDS_PATH}|http://127.0.0.1:{env.http_port}/", + "ProxyRequests on" + ]) + conf.end_vhost() + conf.install() + assert env.apache_restart() == 0 + yield + faker.stop() + + @pytest.mark.parametrize(["via", "seen"], [ + ["reverse", "faked"], + ["mixed", "faked"], + ]) + def test_proxy_02_001(self, env, via, seen): + # make requests to a reverse proxy https: vhost to the http: vhost + # check that we see the document we expect there (host matching worked) + r = env.curl_get(f"https://{via}.{env.http_tld}:{env.https_port}/alive.json", 5) + assert r.response["status"] == 200 + assert r.json['host'] == seen + + @pytest.mark.parametrize(["via", "seen"], [ + ["forward", "generic"], + ["mixed", "faked"], + ]) + def test_proxy_02_002(self, env, via, seen): + # make requests to a forward proxy https: vhost to the http: vhost + # check that we see the document we expect there (host matching worked) + # we need to explicitly provide a Host: header since mod_proxy cannot + # resolve the name via DNS. + domain = f"{via}.{env.http_tld}" + r = env.curl_get(f"http://127.0.0.1:{env.http_port}/alive.json", 5, options=[ + '-H', f"Host: {domain}", + '--proxy', f"https://{domain}:{env.https_port}/", + '--resolve', f"{domain}:{env.https_port}:127.0.0.1", + '--proxy-cacert', f"{env.get_ca_pem_file(domain)}", + + ]) + assert r.exit_code == 0, f"{r.stdout}{r.stderr}" + assert r.response["status"] == 200 + assert r.json['host'] == seen + + @pytest.mark.parametrize(["via", "exp_status"], [ + ["reverse", 400], + ["forward", 500], + ["mixed", 500], + ]) + def test_proxy_02_003(self, env, via, exp_status): + # make requests to a forward proxy https: vhost and GET + # a URL which carries the unix: domain socket. + # This needs to fail. + domain = f"{via}.{env.http_tld}" + r = env.run(args=[ + 'openssl', 's_client', '-connect', f"127.0.0.1:{env.https_port}", + '-servername', domain, + '-crlf', '-ign_eof', + '-CAfile', env.get_ca_pem_file(domain) + ], intext=f"""GET unix:{TestProxyUds.UDS_PATH}|http://127.0.0.1:{env.http_port}/alive.json HTTP/1.1 +Host: {domain} + +""") + assert r.exit_code == 0, f"{r.stdout}{r.stderr}" + lines = r.stdout.split('\n') + rlines = None + for idx, l in enumerate(lines): + if l.startswith('HTTP/'): + rlines = lines[idx:] + assert rlines, f"No response found in: {r.stdout}" + r2 = self.parse_response(rlines) + assert r2.response + assert r2.response['status'] == exp_status + + def parse_response(self, lines) -> ExecResult: + exp_body = False + exp_stat = True + r = ExecResult(args=[], exit_code=0, stdout=b'', stderr=b'') + header = {} + body = [] + for line in lines: + if exp_stat: + m = re.match(r'^(\S+) (\d+) (.*)$', line) + assert m, f"first line no HTTP status line: {line}" + r.add_response({ + "protocol": m.group(1), + "status": int(m.group(2)), + "description": m.group(3), + "body": r.outraw + }) + header = {} + exp_stat = False + exp_body = False + elif re.match(r'^\r?$', line): + exp_body = True + elif exp_body: + body.append(line) + else: + m = re.match(r'^([^:]+):\s*(.*)$', line) + assert m, f"not a header line: {line}" + header[m.group(1).lower()] = m.group(2) + if r.response: + r.response["header"] = header + r.response["body"] = body + return r |