summaryrefslogtreecommitdiff
path: root/testing/tests/server/test_session.py
blob: 7883ef4ab918c5b989f908afbefa5e736e555dab (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
# -*- coding: utf-8 -*-
# test_session.py
# Copyright (C) 2017 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Tests for server session entrypoint.
"""
from twisted.cred.checkers import InMemoryUsernamePasswordDatabaseDontUse
from twisted.cred import portal
from twisted.web.test.test_httpauth import b64encode
from twisted.web.test.test_httpauth import Realm
from twisted.web.test.requesthelper import DummyRequest
from twisted.web.resource import getChildForRequest

from twisted.web.resource import Resource

from twisted.trial import unittest

from leap.soledad.server.session import SoledadSession

from twisted.web.static import Data
from twisted.web._auth.wrapper import UnauthorizedResource
from twisted.cred.credentials import IUsernamePassword
from twisted.cred.checkers import ANONYMOUS, AllowAnonymousAccess


class SoledadSessionTestCase(unittest.TestCase):
    """
    Tests adapted from for
    L{twisted.web.test.test_httpauth.HTTPAuthSessionWrapper}.
    """

    def makeRequest(self, *args, **kwargs):
        request = DummyRequest(*args, **kwargs)
        request.path = '/'
        return request

    def setUp(self):
        self.username = b'foo bar'
        self.password = b'bar baz'
        self.avatarContent = b"contents of the avatar resource itself"
        self.childName = b"foo-child"
        self.childContent = b"contents of the foo child of the avatar"
        self.checker = InMemoryUsernamePasswordDatabaseDontUse()
        self.checker.addUser(self.username, self.password)
        self.avatar = Data(self.avatarContent, 'text/plain')
        self.avatar.putChild(
            self.childName, Data(self.childContent, 'text/plain'))
        self.avatars = {self.username: self.avatar}
        self.realm = Realm(self.avatars.get)
        self.portal = portal.Portal(self.realm, [self.checker])
        self.wrapper = SoledadSession(self.portal)

    def _authorizedTokenLogin(self, request):
        authorization = b64encode(
            self.username + b':' + self.password)
        request.requestHeaders.addRawHeader(b'authorization',
                                            b'Token ' + authorization)
        return getChildForRequest(self.wrapper, request)

    def test_getChildWithDefault(self):
        request = self.makeRequest([self.childName])
        child = getChildForRequest(self.wrapper, request)
        d = request.notifyFinish()

        def cbFinished(result):
            self.assertEqual(request.responseCode, 401)

        d.addCallback(cbFinished)
        request.render(child)
        return d

    def _invalidAuthorizationTest(self, response):
        request = self.makeRequest([self.childName])
        request.requestHeaders.addRawHeader(b'authorization', response)
        child = getChildForRequest(self.wrapper, request)
        d = request.notifyFinish()

        def cbFinished(result):
            self.assertEqual(request.responseCode, 401)

        d.addCallback(cbFinished)
        request.render(child)
        return d

    def test_getChildWithDefaultUnauthorizedUser(self):
        return self._invalidAuthorizationTest(
            b'Basic ' + b64encode(b'foo:bar'))

    def test_getChildWithDefaultUnauthorizedPassword(self):
        return self._invalidAuthorizationTest(
            b'Basic ' + b64encode(self.username + b':bar'))

    def test_getChildWithDefaultUnrecognizedScheme(self):
        return self._invalidAuthorizationTest(b'Quux foo bar baz')

    def test_getChildWithDefaultAuthorized(self):
        request = self.makeRequest([self.childName])
        child = self._authorizedTokenLogin(request)
        d = request.notifyFinish()

        def cbFinished(ignored):
            self.assertEqual(request.written, [self.childContent])

        d.addCallback(cbFinished)
        request.render(child)
        return d

    def test_renderAuthorized(self):
        # Request it exactly, not any of its children.
        request = self.makeRequest([])
        child = self._authorizedTokenLogin(request)
        d = request.notifyFinish()

        def cbFinished(ignored):
            self.assertEqual(request.written, [self.avatarContent])

        d.addCallback(cbFinished)
        request.render(child)
        return d

    def test_decodeRaises(self):
        request = self.makeRequest([self.childName])
        request.requestHeaders.addRawHeader(b'authorization',
                                            b'Token decode should fail')
        child = getChildForRequest(self.wrapper, request)
        self.assertIsInstance(child, UnauthorizedResource)

    def test_parseResponse(self):
        basicAuthorization = b'Basic abcdef123456'
        self.assertEqual(
            self.wrapper._parseHeader(basicAuthorization),
            None)
        tokenAuthorization = b'Token abcdef123456'
        self.assertEqual(
            self.wrapper._parseHeader(tokenAuthorization),
            b'abcdef123456')

    def test_unexpectedDecodeError(self):

        class UnexpectedException(Exception):
            pass

        class BadFactory(object):
            scheme = b'bad'

            def getChallenge(self, client):
                return {}

            def decode(self, response, request):
                raise UnexpectedException()

        self.wrapper._credentialFactory = BadFactory()
        request = self.makeRequest([self.childName])
        request.requestHeaders.addRawHeader(b'authorization', b'Bad abc')
        child = getChildForRequest(self.wrapper, request)
        request.render(child)
        self.assertEqual(request.responseCode, 500)

    def test_unexpectedLoginError(self):
        class UnexpectedException(Exception):
            pass

        class BrokenChecker(object):
            credentialInterfaces = (IUsernamePassword,)

            def requestAvatarId(self, credentials):
                raise UnexpectedException()

        self.portal.registerChecker(BrokenChecker())
        request = self.makeRequest([self.childName])
        child = self._authorizedTokenLogin(request)
        request.render(child)
        self.assertEqual(request.responseCode, 500)

    def test_anonymousAccess(self):
        """
        Anonymous requests are allowed if a L{Portal} has an anonymous checker
        registered.
        """
        unprotectedContents = b"contents of the unprotected child resource"

        self.avatars[ANONYMOUS] = Resource()
        self.avatars[ANONYMOUS].putChild(
            self.childName, Data(unprotectedContents, 'text/plain'))
        self.portal.registerChecker(AllowAnonymousAccess())

        request = self.makeRequest([self.childName])
        child = getChildForRequest(self.wrapper, request)
        d = request.notifyFinish()

        def cbFinished(ignored):
            self.assertEqual(request.written, [unprotectedContents])

        d.addCallback(cbFinished)
        request.render(child)
        return d