def test_basic_and_digest_auth_handlers(self):
# HTTPDigestAuthHandler raised an exception if it couldn't handle a 40*
# response (http://python.org/sf/1479302), where it should instead
# return None to allow another handler (especially
# HTTPBasicAuthHandler) to handle the response.
# Also (http://python.org/sf/14797027, RFC 2617 section 1.2), we must
# try digest first (since it's the strongest auth scheme), so we record
# order of calls here to check digest comes first:
class RecordingOpenerDirector(OpenerDirector):
def __init__(self):
OpenerDirector.__init__(self)
self.recorded = []
def record(self, info):
self.recorded.append(info)
class TestDigestAuthHandler(urllib2.HTTPDigestAuthHandler):
def http_error_401(self, *args, **kwds):
self.parent.record("digest")
urllib2.HTTPDigestAuthHandler.http_error_401(self,
*args, **kwds)
class TestBasicAuthHandler(urllib2.HTTPBasicAuthHandler):
def http_error_401(self, *args, **kwds):
self.parent.record("basic")
urllib2.HTTPBasicAuthHandler.http_error_401(self,
*args, **kwds)
opener = RecordingOpenerDirector()
password_manager = MockPasswordManager()
digest_handler = TestDigestAuthHandler(password_manager)
basic_handler = TestBasicAuthHandler(password_manager)
realm = "ACME Networks"
http_handler = MockHTTPHandler(
401, 'WWW-Authenticate: Basic realm="%s"\r\n\r\n' % realm)
opener.add_handler(basic_handler)
opener.add_handler(digest_handler)
opener.add_handler(http_handler)
# check basic auth isn't blocked by digest handler failing
self._test_basic_auth(opener, basic_handler, "Authorization",
realm, http_handler, password_manager,
"http://acme.example.com/protected",
"http://acme.example.com/protected",
)
# check digest was tried before basic (twice, because
# _test_basic_auth called .open() twice)
self.assertEqual(opener.recorded, ["digest", "basic"]*2)
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