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# Copyright 2012 Canonical Ltd.
#
# This file is part of u1db.
#
# u1db is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# u1db is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with u1db. If not, see <http://www.gnu.org/licenses/>.
"""Test OAuth wsgi middleware"""
import paste.fixture
from oauth import oauth
try:
import simplejson as json
except ImportError:
import json # noqa
import time
from u1db import tests
from u1db.remote.oauth_middleware import OAuthMiddleware
from u1db.remote.basic_auth_middleware import BasicAuthMiddleware, Unauthorized
BASE_URL = 'https://example.net'
class TestBasicAuthMiddleware(tests.TestCase):
def setUp(self):
super(TestBasicAuthMiddleware, self).setUp()
self.got = []
def witness_app(environ, start_response):
start_response("200 OK", [("content-type", "text/plain")])
self.got.append((
environ['user_id'], environ['PATH_INFO'],
environ['QUERY_STRING']))
return ["ok"]
class MyAuthMiddleware(BasicAuthMiddleware):
def verify_user(self, environ, user, password):
if user != "correct_user":
raise Unauthorized
if password != "correct_password":
raise Unauthorized
environ['user_id'] = user
self.auth_midw = MyAuthMiddleware(witness_app, prefix="/pfx/")
self.app = paste.fixture.TestApp(self.auth_midw)
def test_expect_prefix(self):
url = BASE_URL + '/foo/doc/doc-id'
resp = self.app.delete(url, expect_errors=True)
self.assertEqual(400, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual('{"error": "bad request"}', resp.body)
def test_missing_auth(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
resp = self.app.delete(url, expect_errors=True)
self.assertEqual(401, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual(
{"error": "unauthorized",
"message": "Missing Basic Authentication."},
json.loads(resp.body))
def test_correct_auth(self):
user = "correct_user"
password = "correct_password"
params = {'old_rev': 'old-rev'}
url = BASE_URL + '/pfx/foo/doc/doc-id?%s' % (
'&'.join("%s=%s" % (k, v) for k, v in params.items()))
auth = '%s:%s' % (user, password)
headers = {
'Authorization': 'Basic %s' % (auth.encode('base64'),)}
resp = self.app.delete(url, headers=headers)
self.assertEqual(200, resp.status)
self.assertEqual(
[('correct_user', '/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
def test_incorrect_auth(self):
user = "correct_user"
password = "incorrect_password"
params = {'old_rev': 'old-rev'}
url = BASE_URL + '/pfx/foo/doc/doc-id?%s' % (
'&'.join("%s=%s" % (k, v) for k, v in params.items()))
auth = '%s:%s' % (user, password)
headers = {
'Authorization': 'Basic %s' % (auth.encode('base64'),)}
resp = self.app.delete(url, headers=headers, expect_errors=True)
self.assertEqual(401, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual(
{"error": "unauthorized",
"message": "Incorrect password or login."},
json.loads(resp.body))
class TestOAuthMiddlewareDefaultPrefix(tests.TestCase):
def setUp(self):
super(TestOAuthMiddlewareDefaultPrefix, self).setUp()
self.got = []
def witness_app(environ, start_response):
start_response("200 OK", [("content-type", "text/plain")])
self.got.append((environ['token_key'], environ['PATH_INFO'],
environ['QUERY_STRING']))
return ["ok"]
class MyOAuthMiddleware(OAuthMiddleware):
get_oauth_data_store = lambda self: tests.testingOAuthStore
def verify(self, environ, oauth_req):
consumer, token = super(MyOAuthMiddleware, self).verify(
environ, oauth_req)
environ['token_key'] = token.key
self.oauth_midw = MyOAuthMiddleware(witness_app, BASE_URL)
self.app = paste.fixture.TestApp(self.oauth_midw)
def test_expect_tilde(self):
url = BASE_URL + '/foo/doc/doc-id'
resp = self.app.delete(url, expect_errors=True)
self.assertEqual(400, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual('{"error": "bad request"}', resp.body)
def test_oauth_in_header(self):
url = BASE_URL + '/~/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer2,
tests.token2,
parameters=params,
http_url=url,
http_method='DELETE'
)
url = oauth_req.get_normalized_http_url() + '?' + (
'&'.join("%s=%s" % (k, v) for k, v in params.items()))
oauth_req.sign_request(tests.sign_meth_HMAC_SHA1,
tests.consumer2, tests.token2)
resp = self.app.delete(url, headers=oauth_req.to_header())
self.assertEqual(200, resp.status)
self.assertEqual([(tests.token2.key,
'/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
def test_oauth_in_query_string(self):
url = BASE_URL + '/~/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer1,
tests.token1,
parameters=params,
http_url=url,
http_method='DELETE'
)
oauth_req.sign_request(tests.sign_meth_HMAC_SHA1,
tests.consumer1, tests.token1)
resp = self.app.delete(oauth_req.to_url())
self.assertEqual(200, resp.status)
self.assertEqual([(tests.token1.key,
'/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
class TestOAuthMiddleware(tests.TestCase):
def setUp(self):
super(TestOAuthMiddleware, self).setUp()
self.got = []
def witness_app(environ, start_response):
start_response("200 OK", [("content-type", "text/plain")])
self.got.append((environ['token_key'], environ['PATH_INFO'],
environ['QUERY_STRING']))
return ["ok"]
class MyOAuthMiddleware(OAuthMiddleware):
get_oauth_data_store = lambda self: tests.testingOAuthStore
def verify(self, environ, oauth_req):
consumer, token = super(MyOAuthMiddleware, self).verify(
environ, oauth_req)
environ['token_key'] = token.key
self.oauth_midw = MyOAuthMiddleware(
witness_app, BASE_URL, prefix='/pfx/')
self.app = paste.fixture.TestApp(self.oauth_midw)
def test_expect_prefix(self):
url = BASE_URL + '/foo/doc/doc-id'
resp = self.app.delete(url, expect_errors=True)
self.assertEqual(400, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual('{"error": "bad request"}', resp.body)
def test_missing_oauth(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
resp = self.app.delete(url, expect_errors=True)
self.assertEqual(401, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
self.assertEqual(
{"error": "unauthorized", "message": "Missing OAuth."},
json.loads(resp.body))
def test_oauth_in_query_string(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer1,
tests.token1,
parameters=params,
http_url=url,
http_method='DELETE'
)
oauth_req.sign_request(tests.sign_meth_HMAC_SHA1,
tests.consumer1, tests.token1)
resp = self.app.delete(oauth_req.to_url())
self.assertEqual(200, resp.status)
self.assertEqual([(tests.token1.key,
'/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
def test_oauth_invalid(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer1,
tests.token3,
parameters=params,
http_url=url,
http_method='DELETE'
)
oauth_req.sign_request(tests.sign_meth_HMAC_SHA1,
tests.consumer1, tests.token3)
resp = self.app.delete(oauth_req.to_url(),
expect_errors=True)
self.assertEqual(401, resp.status)
self.assertEqual('application/json', resp.header('content-type'))
err = json.loads(resp.body)
self.assertEqual({"error": "unauthorized",
"message": err['message']},
err)
def test_oauth_in_header(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer2,
tests.token2,
parameters=params,
http_url=url,
http_method='DELETE'
)
url = oauth_req.get_normalized_http_url() + '?' + (
'&'.join("%s=%s" % (k, v) for k, v in params.items()))
oauth_req.sign_request(tests.sign_meth_HMAC_SHA1,
tests.consumer2, tests.token2)
resp = self.app.delete(url, headers=oauth_req.to_header())
self.assertEqual(200, resp.status)
self.assertEqual([(tests.token2.key,
'/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
def test_oauth_plain_text(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer1,
tests.token1,
parameters=params,
http_url=url,
http_method='DELETE'
)
oauth_req.sign_request(tests.sign_meth_PLAINTEXT,
tests.consumer1, tests.token1)
resp = self.app.delete(oauth_req.to_url())
self.assertEqual(200, resp.status)
self.assertEqual([(tests.token1.key,
'/foo/doc/doc-id', 'old_rev=old-rev')], self.got)
def test_oauth_timestamp_threshold(self):
url = BASE_URL + '/pfx/foo/doc/doc-id'
params = {'old_rev': 'old-rev'}
oauth_req = oauth.OAuthRequest.from_consumer_and_token(
tests.consumer1,
tests.token1,
parameters=params,
http_url=url,
http_method='DELETE'
)
oauth_req.set_parameter('oauth_timestamp', int(time.time()) - 5)
oauth_req.sign_request(tests.sign_meth_PLAINTEXT,
tests.consumer1, tests.token1)
# tweak threshold
self.oauth_midw.timestamp_threshold = 1
resp = self.app.delete(oauth_req.to_url(), expect_errors=True)
self.assertEqual(401, resp.status)
err = json.loads(resp.body)
self.assertIn('Expired timestamp', err['message'])
self.assertIn('threshold 1', err['message'])
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