shell bypass 403
# These tests do not currently do much to verify the correct implementation
# of the openid/oauth protocols, they just exercise the major code paths
# and ensure that it doesn't blow up (e.g. with unicode/bytes issues in
# python 3)
import unittest
from tornado.auth import (
OpenIdMixin,
OAuthMixin,
OAuth2Mixin,
GoogleOAuth2Mixin,
FacebookGraphMixin,
TwitterMixin,
)
from tornado.escape import json_decode
from tornado import gen
from tornado.httpclient import HTTPClientError
from tornado.httputil import url_concat
from tornado.log import app_log
from tornado.testing import AsyncHTTPTestCase, ExpectLog
from tornado.web import RequestHandler, Application, HTTPError
try:
from unittest import mock
except ImportError:
mock = None # type: ignore
class OpenIdClientLoginHandler(RequestHandler, OpenIdMixin):
def initialize(self, test):
self._OPENID_ENDPOINT = test.get_url("/openid/server/authenticate")
@gen.coroutine
def get(self):
if self.get_argument("openid.mode", None):
user = yield self.get_authenticated_user(
http_client=self.settings["http_client"]
)
if user is None:
raise Exception("user is None")
self.finish(user)
return
res = self.authenticate_redirect()
assert res is None
class OpenIdServerAuthenticateHandler(RequestHandler):
def post(self):
if self.get_argument("openid.mode") != "check_authentication":
raise Exception("incorrect openid.mode %r")
self.write("is_valid:true")
class OAuth1ClientLoginHandler(RequestHandler, OAuthMixin):
def initialize(self, test, version):
self._OAUTH_VERSION = version
self._OAUTH_REQUEST_TOKEN_URL = test.get_url("/oauth1/server/request_token")
self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth1/server/authorize")
self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/oauth1/server/access_token")
def _oauth_consumer_token(self):
return dict(key="asdf", secret="qwer")
@gen.coroutine
def get(self):
if self.get_argument("oauth_token", None):
user = yield self.get_authenticated_user(
http_client=self.settings["http_client"]
)
if user is None:
raise Exception("user is None")
self.finish(user)
return
yield self.authorize_redirect(http_client=self.settings["http_client"])
@gen.coroutine
def _oauth_get_user_future(self, access_token):
if self.get_argument("fail_in_get_user", None):
raise Exception("failing in get_user")
if access_token != dict(key="uiop", secret="5678"):
raise Exception("incorrect access token %r" % access_token)
return dict(email="foo@example.com")
class OAuth1ClientLoginCoroutineHandler(OAuth1ClientLoginHandler):
"""Replaces OAuth1ClientLoginCoroutineHandler's get() with a coroutine."""
@gen.coroutine
def get(self):
if self.get_argument("oauth_token", None):
# Ensure that any exceptions are set on the returned Future,
# not simply thrown into the surrounding StackContext.
try:
yield self.get_authenticated_user()
except Exception as e:
self.set_status(503)
self.write("got exception: %s" % e)
else:
yield self.authorize_redirect()
class OAuth1ClientRequestParametersHandler(RequestHandler, OAuthMixin):
def initialize(self, version):
self._OAUTH_VERSION = version
def _oauth_consumer_token(self):
return dict(key="asdf", secret="qwer")
def get(self):
params = self._oauth_request_parameters(
"http://www.example.com/api/asdf",
dict(key="uiop", secret="5678"),
parameters=dict(foo="bar"),
)
self.write(params)
class OAuth1ServerRequestTokenHandler(RequestHandler):
def get(self):
self.write("oauth_token=zxcv&oauth_token_secret=1234")
class OAuth1ServerAccessTokenHandler(RequestHandler):
def get(self):
self.write("oauth_token=uiop&oauth_token_secret=5678")
class OAuth2ClientLoginHandler(RequestHandler, OAuth2Mixin):
def initialize(self, test):
self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth2/server/authorize")
def get(self):
res = self.authorize_redirect()
assert res is None
class FacebookClientLoginHandler(RequestHandler, FacebookGraphMixin):
def initialize(self, test):
self._OAUTH_AUTHORIZE_URL = test.get_url("/facebook/server/authorize")
self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/facebook/server/access_token")
self._FACEBOOK_BASE_URL = test.get_url("/facebook/server")
@gen.coroutine
def get(self):
if self.get_argument("code", None):
user = yield self.get_authenticated_user(
redirect_uri=self.request.full_url(),
client_id=self.settings["facebook_api_key"],
client_secret=self.settings["facebook_secret"],
code=self.get_argument("code"),
)
self.write(user)
else:
yield self.authorize_redirect(
redirect_uri=self.request.full_url(),
client_id=self.settings["facebook_api_key"],
extra_params={"scope": "read_stream,offline_access"},
)
class FacebookServerAccessTokenHandler(RequestHandler):
def get(self):
self.write(dict(access_token="asdf", expires_in=3600))
class FacebookServerMeHandler(RequestHandler):
def get(self):
self.write("{}")
class TwitterClientHandler(RequestHandler, TwitterMixin):
def initialize(self, test):
self._OAUTH_REQUEST_TOKEN_URL = test.get_url("/oauth1/server/request_token")
self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/twitter/server/access_token")
self._OAUTH_AUTHORIZE_URL = test.get_url("/oauth1/server/authorize")
self._OAUTH_AUTHENTICATE_URL = test.get_url("/twitter/server/authenticate")
self._TWITTER_BASE_URL = test.get_url("/twitter/api")
def get_auth_http_client(self):
return self.settings["http_client"]
class TwitterClientLoginHandler(TwitterClientHandler):
@gen.coroutine
def get(self):
if self.get_argument("oauth_token", None):
user = yield self.get_authenticated_user()
if user is None:
raise Exception("user is None")
self.finish(user)
return
yield self.authorize_redirect()
class TwitterClientAuthenticateHandler(TwitterClientHandler):
# Like TwitterClientLoginHandler, but uses authenticate_redirect
# instead of authorize_redirect.
@gen.coroutine
def get(self):
if self.get_argument("oauth_token", None):
user = yield self.get_authenticated_user()
if user is None:
raise Exception("user is None")
self.finish(user)
return
yield self.authenticate_redirect()
class TwitterClientLoginGenCoroutineHandler(TwitterClientHandler):
@gen.coroutine
def get(self):
if self.get_argument("oauth_token", None):
user = yield self.get_authenticated_user()
self.finish(user)
else:
# New style: with @gen.coroutine the result must be yielded
# or else the request will be auto-finished too soon.
yield self.authorize_redirect()
class TwitterClientShowUserHandler(TwitterClientHandler):
@gen.coroutine
def get(self):
# TODO: would be nice to go through the login flow instead of
# cheating with a hard-coded access token.
try:
response = yield self.twitter_request(
"/users/show/%s" % self.get_argument("name"),
access_token=dict(key="hjkl", secret="vbnm"),
)
except HTTPClientError:
# TODO(bdarnell): Should we catch HTTP errors and
# transform some of them (like 403s) into AuthError?
self.set_status(500)
self.finish("error from twitter request")
else:
self.finish(response)
class TwitterServerAccessTokenHandler(RequestHandler):
def get(self):
self.write("oauth_token=hjkl&oauth_token_secret=vbnm&screen_name=foo")
class TwitterServerShowUserHandler(RequestHandler):
def get(self, screen_name):
if screen_name == "error":
raise HTTPError(500)
assert "oauth_nonce" in self.request.arguments
assert "oauth_timestamp" in self.request.arguments
assert "oauth_signature" in self.request.arguments
assert self.get_argument("oauth_consumer_key") == "test_twitter_consumer_key"
assert self.get_argument("oauth_signature_method") == "HMAC-SHA1"
assert self.get_argument("oauth_version") == "1.0"
assert self.get_argument("oauth_token") == "hjkl"
self.write(dict(screen_name=screen_name, name=screen_name.capitalize()))
class TwitterServerVerifyCredentialsHandler(RequestHandler):
def get(self):
assert "oauth_nonce" in self.request.arguments
assert "oauth_timestamp" in self.request.arguments
assert "oauth_signature" in self.request.arguments
assert self.get_argument("oauth_consumer_key") == "test_twitter_consumer_key"
assert self.get_argument("oauth_signature_method") == "HMAC-SHA1"
assert self.get_argument("oauth_version") == "1.0"
assert self.get_argument("oauth_token") == "hjkl"
self.write(dict(screen_name="foo", name="Foo"))
class AuthTest(AsyncHTTPTestCase):
def get_app(self):
return Application(
[
# test endpoints
("/openid/client/login", OpenIdClientLoginHandler, dict(test=self)),
(
"/oauth10/client/login",
OAuth1ClientLoginHandler,
dict(test=self, version="1.0"),
),
(
"/oauth10/client/request_params",
OAuth1ClientRequestParametersHandler,
dict(version="1.0"),
),
(
"/oauth10a/client/login",
OAuth1ClientLoginHandler,
dict(test=self, version="1.0a"),
),
(
"/oauth10a/client/login_coroutine",
OAuth1ClientLoginCoroutineHandler,
dict(test=self, version="1.0a"),
),
(
"/oauth10a/client/request_params",
OAuth1ClientRequestParametersHandler,
dict(version="1.0a"),
),
("/oauth2/client/login", OAuth2ClientLoginHandler, dict(test=self)),
("/facebook/client/login", FacebookClientLoginHandler, dict(test=self)),
("/twitter/client/login", TwitterClientLoginHandler, dict(test=self)),
(
"/twitter/client/authenticate",
TwitterClientAuthenticateHandler,
dict(test=self),
),
(
"/twitter/client/login_gen_coroutine",
TwitterClientLoginGenCoroutineHandler,
dict(test=self),
),
(
"/twitter/client/show_user",
TwitterClientShowUserHandler,
dict(test=self),
),
# simulated servers
("/openid/server/authenticate", OpenIdServerAuthenticateHandler),
("/oauth1/server/request_token", OAuth1ServerRequestTokenHandler),
("/oauth1/server/access_token", OAuth1ServerAccessTokenHandler),
("/facebook/server/access_token", FacebookServerAccessTokenHandler),
("/facebook/server/me", FacebookServerMeHandler),
("/twitter/server/access_token", TwitterServerAccessTokenHandler),
(r"/twitter/api/users/show/(.*)\.json", TwitterServerShowUserHandler),
(
r"/twitter/api/account/verify_credentials\.json",
TwitterServerVerifyCredentialsHandler,
),
],
http_client=self.http_client,
twitter_consumer_key="test_twitter_consumer_key",
twitter_consumer_secret="test_twitter_consumer_secret",
facebook_api_key="test_facebook_api_key",
facebook_secret="test_facebook_secret",
)
def test_openid_redirect(self):
response = self.fetch("/openid/client/login", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue("/openid/server/authenticate?" in response.headers["Location"])
def test_openid_get_user(self):
response = self.fetch(
"/openid/client/login?openid.mode=blah"
"&openid.ns.ax=http://openid.net/srv/ax/1.0"
"&openid.ax.type.email=http://axschema.org/contact/email"
"&openid.ax.value.email=foo@example.com"
)
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(parsed["email"], "foo@example.com")
def test_oauth10_redirect(self):
response = self.fetch("/oauth10/client/login", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue(
response.headers["Location"].endswith(
"/oauth1/server/authorize?oauth_token=zxcv"
)
)
# the cookie is base64('zxcv')|base64('1234')
self.assertTrue(
'_oauth_request_token="enhjdg==|MTIzNA=="'
in response.headers["Set-Cookie"],
response.headers["Set-Cookie"],
)
def test_oauth10_get_user(self):
response = self.fetch(
"/oauth10/client/login?oauth_token=zxcv",
headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
)
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(parsed["email"], "foo@example.com")
self.assertEqual(parsed["access_token"], dict(key="uiop", secret="5678"))
def test_oauth10_request_parameters(self):
response = self.fetch("/oauth10/client/request_params")
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(parsed["oauth_consumer_key"], "asdf")
self.assertEqual(parsed["oauth_token"], "uiop")
self.assertTrue("oauth_nonce" in parsed)
self.assertTrue("oauth_signature" in parsed)
def test_oauth10a_redirect(self):
response = self.fetch("/oauth10a/client/login", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue(
response.headers["Location"].endswith(
"/oauth1/server/authorize?oauth_token=zxcv"
)
)
# the cookie is base64('zxcv')|base64('1234')
self.assertTrue(
'_oauth_request_token="enhjdg==|MTIzNA=="'
in response.headers["Set-Cookie"],
response.headers["Set-Cookie"],
)
@unittest.skipIf(mock is None, "mock package not present")
def test_oauth10a_redirect_error(self):
with mock.patch.object(OAuth1ServerRequestTokenHandler, "get") as get:
get.side_effect = Exception("boom")
with ExpectLog(app_log, "Uncaught exception"):
response = self.fetch("/oauth10a/client/login", follow_redirects=False)
self.assertEqual(response.code, 500)
def test_oauth10a_get_user(self):
response = self.fetch(
"/oauth10a/client/login?oauth_token=zxcv",
headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
)
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(parsed["email"], "foo@example.com")
self.assertEqual(parsed["access_token"], dict(key="uiop", secret="5678"))
def test_oauth10a_request_parameters(self):
response = self.fetch("/oauth10a/client/request_params")
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(parsed["oauth_consumer_key"], "asdf")
self.assertEqual(parsed["oauth_token"], "uiop")
self.assertTrue("oauth_nonce" in parsed)
self.assertTrue("oauth_signature" in parsed)
def test_oauth10a_get_user_coroutine_exception(self):
response = self.fetch(
"/oauth10a/client/login_coroutine?oauth_token=zxcv&fail_in_get_user=true",
headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
)
self.assertEqual(response.code, 503)
def test_oauth2_redirect(self):
response = self.fetch("/oauth2/client/login", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue("/oauth2/server/authorize?" in response.headers["Location"])
def test_facebook_login(self):
response = self.fetch("/facebook/client/login", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue("/facebook/server/authorize?" in response.headers["Location"])
response = self.fetch(
"/facebook/client/login?code=1234", follow_redirects=False
)
self.assertEqual(response.code, 200)
user = json_decode(response.body)
self.assertEqual(user["access_token"], "asdf")
self.assertEqual(user["session_expires"], "3600")
def base_twitter_redirect(self, url):
# Same as test_oauth10a_redirect
response = self.fetch(url, follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue(
response.headers["Location"].endswith(
"/oauth1/server/authorize?oauth_token=zxcv"
)
)
# the cookie is base64('zxcv')|base64('1234')
self.assertTrue(
'_oauth_request_token="enhjdg==|MTIzNA=="'
in response.headers["Set-Cookie"],
response.headers["Set-Cookie"],
)
def test_twitter_redirect(self):
self.base_twitter_redirect("/twitter/client/login")
def test_twitter_redirect_gen_coroutine(self):
self.base_twitter_redirect("/twitter/client/login_gen_coroutine")
def test_twitter_authenticate_redirect(self):
response = self.fetch("/twitter/client/authenticate", follow_redirects=False)
self.assertEqual(response.code, 302)
self.assertTrue(
response.headers["Location"].endswith(
"/twitter/server/authenticate?oauth_token=zxcv"
),
response.headers["Location"],
)
# the cookie is base64('zxcv')|base64('1234')
self.assertTrue(
'_oauth_request_token="enhjdg==|MTIzNA=="'
in response.headers["Set-Cookie"],
response.headers["Set-Cookie"],
)
def test_twitter_get_user(self):
response = self.fetch(
"/twitter/client/login?oauth_token=zxcv",
headers={"Cookie": "_oauth_request_token=enhjdg==|MTIzNA=="},
)
response.rethrow()
parsed = json_decode(response.body)
self.assertEqual(
parsed,
{
u"access_token": {
u"key": u"hjkl",
u"screen_name": u"foo",
u"secret": u"vbnm",
},
u"name": u"Foo",
u"screen_name": u"foo",
u"username": u"foo",
},
)
def test_twitter_show_user(self):
response = self.fetch("/twitter/client/show_user?name=somebody")
response.rethrow()
self.assertEqual(
json_decode(response.body), {"name": "Somebody", "screen_name": "somebody"}
)
def test_twitter_show_user_error(self):
response = self.fetch("/twitter/client/show_user?name=error")
self.assertEqual(response.code, 500)
self.assertEqual(response.body, b"error from twitter request")
class GoogleLoginHandler(RequestHandler, GoogleOAuth2Mixin):
def initialize(self, test):
self.test = test
self._OAUTH_REDIRECT_URI = test.get_url("/client/login")
self._OAUTH_AUTHORIZE_URL = test.get_url("/google/oauth2/authorize")
self._OAUTH_ACCESS_TOKEN_URL = test.get_url("/google/oauth2/token")
@gen.coroutine
def get(self):
code = self.get_argument("code", None)
if code is not None:
# retrieve authenticate google user
access = yield self.get_authenticated_user(self._OAUTH_REDIRECT_URI, code)
user = yield self.oauth2_request(
self.test.get_url("/google/oauth2/userinfo"),
access_token=access["access_token"],
)
# return the user and access token as json
user["access_token"] = access["access_token"]
self.write(user)
else:
yield self.authorize_redirect(
redirect_uri=self._OAUTH_REDIRECT_URI,
client_id=self.settings["google_oauth"]["key"],
client_secret=self.settings["google_oauth"]["secret"],
scope=["profile", "email"],
response_type="code",
extra_params={"prompt": "select_account"},
)
class GoogleOAuth2AuthorizeHandler(RequestHandler):
def get(self):
# issue a fake auth code and redirect to redirect_uri
code = "fake-authorization-code"
self.redirect(url_concat(self.get_argument("redirect_uri"), dict(code=code)))
class GoogleOAuth2TokenHandler(RequestHandler):
def post(self):
assert self.get_argument("code") == "fake-authorization-code"
# issue a fake token
self.finish(
{"access_token": "fake-access-token", "expires_in": "never-expires"}
)
class GoogleOAuth2UserinfoHandler(RequestHandler):
def get(self):
assert self.get_argument("access_token") == "fake-access-token"
# return a fake user
self.finish({"name": "Foo", "email": "foo@example.com"})
class GoogleOAuth2Test(AsyncHTTPTestCase):
def get_app(self):
return Application(
[
# test endpoints
("/client/login", GoogleLoginHandler, dict(test=self)),
# simulated google authorization server endpoints
("/google/oauth2/authorize", GoogleOAuth2AuthorizeHandler),
("/google/oauth2/token", GoogleOAuth2TokenHandler),
("/google/oauth2/userinfo", GoogleOAuth2UserinfoHandler),
],
google_oauth={
"key": "fake_google_client_id",
"secret": "fake_google_client_secret",
},
)
def test_google_login(self):
response = self.fetch("/client/login")
self.assertDictEqual(
{
u"name": u"Foo",
u"email": u"foo@example.com",
u"access_token": u"fake-access-token",
},
json_decode(response.body),
)