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httpie-cli/tests/test_ssl.py
Mickaël Schoentgen 8374a9ed83
Review OSError exceptions handling (#1080)
- Replace obsolete `IOError` (Python 2) with `OSError`,
  cf https://docs.python.org/3/library/exceptions.html#OSError.
- Improve `OSError` catches at different places, simplifying
  the code.
2021-05-31 10:10:41 +02:00

152 lines
5.0 KiB
Python

import pytest
import pytest_httpbin.certs
import requests.exceptions
import ssl
import urllib3
from httpie.ssl import AVAILABLE_SSL_VERSION_ARG_MAPPING, DEFAULT_SSL_CIPHERS
from httpie.status import ExitStatus
from .utils import HTTP_OK, TESTS_ROOT, http
try:
# Handle OpenSSL errors, if installed.
# See <https://github.com/httpie/httpie/issues/729>
# noinspection PyUnresolvedReferences
import OpenSSL.SSL
ssl_errors = (
requests.exceptions.SSLError,
OpenSSL.SSL.Error,
)
except ImportError:
ssl_errors = (
requests.exceptions.SSLError,
)
CERTS_ROOT = TESTS_ROOT / 'client_certs'
CLIENT_CERT = str(CERTS_ROOT / 'client.crt')
CLIENT_KEY = str(CERTS_ROOT / 'client.key')
CLIENT_PEM = str(CERTS_ROOT / 'client.pem')
# We test against a local httpbin instance which uses a self-signed cert.
# Requests without --verify=<CA_BUNDLE> will fail with a verification error.
# See: https://github.com/kevin1024/pytest-httpbin#https-support
CA_BUNDLE = pytest_httpbin.certs.where()
@pytest.mark.parametrize('ssl_version',
AVAILABLE_SSL_VERSION_ARG_MAPPING.keys())
def test_ssl_version(httpbin_secure, ssl_version):
try:
r = http(
'--ssl', ssl_version,
httpbin_secure + '/get'
)
assert HTTP_OK in r
except ssl_errors as e:
if ssl_version == 'ssl3':
# pytest-httpbin doesn't support ssl3
pass
elif e.__context__ is not None: # Check if root cause was an unsupported TLS version
root = e.__context__
while root.__context__ is not None:
root = root.__context__
if isinstance(root, ssl.SSLError) and root.reason == "TLSV1_ALERT_PROTOCOL_VERSION":
pytest.skip(f'Unsupported TLS version: {ssl_version}')
else:
raise
class TestClientCert:
def test_cert_and_key(self, httpbin_secure):
r = http(httpbin_secure + '/get',
'--cert', CLIENT_CERT,
'--cert-key', CLIENT_KEY)
assert HTTP_OK in r
def test_cert_pem(self, httpbin_secure):
r = http(httpbin_secure + '/get',
'--cert', CLIENT_PEM)
assert HTTP_OK in r
def test_cert_file_not_found(self, httpbin_secure):
r = http(httpbin_secure + '/get',
'--cert', '/__not_found__',
tolerate_error_exit_status=True)
assert r.exit_status == ExitStatus.ERROR
assert '/__not_found__: No such file or directory' in r.stderr
def test_cert_file_invalid(self, httpbin_secure):
with pytest.raises(ssl_errors):
http(httpbin_secure + '/get',
'--cert', __file__)
def test_cert_ok_but_missing_key(self, httpbin_secure):
with pytest.raises(ssl_errors):
http(httpbin_secure + '/get',
'--cert', CLIENT_CERT)
class TestServerCert:
def test_verify_no_OK(self, httpbin_secure):
# Avoid warnings when explicitly testing insecure requests
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
r = http(httpbin_secure.url + '/get', '--verify=no')
assert HTTP_OK in r
@pytest.mark.parametrize('verify_value', ['false', 'fALse'])
def test_verify_false_OK(self, httpbin_secure, verify_value):
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
r = http(httpbin_secure.url + '/get', '--verify', verify_value)
assert HTTP_OK in r
def test_verify_custom_ca_bundle_path(
self, httpbin_secure_untrusted
):
r = http(httpbin_secure_untrusted + '/get', '--verify', CA_BUNDLE)
assert HTTP_OK in r
def test_self_signed_server_cert_by_default_raises_ssl_error(
self,
httpbin_secure_untrusted
):
with pytest.raises(ssl_errors):
http(httpbin_secure_untrusted.url + '/get')
def test_verify_custom_ca_bundle_invalid_path(self, httpbin_secure):
# since 2.14.0 requests raises IOError (an OSError subclass)
with pytest.raises(ssl_errors + (OSError,)):
http(httpbin_secure.url + '/get', '--verify', '/__not_found__')
def test_verify_custom_ca_bundle_invalid_bundle(self, httpbin_secure):
with pytest.raises(ssl_errors):
http(httpbin_secure.url + '/get', '--verify', __file__)
def test_ciphers(httpbin_secure):
r = http(
httpbin_secure.url + '/get',
'--ciphers',
DEFAULT_SSL_CIPHERS,
)
assert HTTP_OK in r
def test_ciphers_none_can_be_selected(httpbin_secure):
r = http(
httpbin_secure.url + '/get',
'--ciphers',
'__FOO__',
tolerate_error_exit_status=True,
)
assert r.exit_status == ExitStatus.ERROR
# Linux/macOS:
# http: error: SSLError: ('No cipher can be selected.',)
# OpenBSD:
# <https://marc.info/?l=openbsd-ports&m=159251948515635&w=2>
# http: error: Error: [('SSL routines', '(UNKNOWN)SSL_internal', 'no cipher match')]
assert 'cipher' in r.stderr