Tres Seaver
2012-03-18 d6391cada4cc468f5cfaa6e75ff1bb009c7b2285
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import unittest
 
class TestAuthTktCookiePlugin(unittest.TestCase):
    tempdir = None
    _now_testing = None
 
    def setUp(self):
        pass
 
    def tearDown(self):
        if self.tempdir is not None:
            import shutil
            shutil.rmtree(self.tempdir)
        if self._now_testing is not None:
            self._setNowTesting(self._now_testing)
 
    def _getTargetClass(self):
        from repoze.who.plugins.auth_tkt import AuthTktCookiePlugin
        return AuthTktCookiePlugin
 
    def _makeEnviron(self, kw=None):
        from wsgiref.util import setup_testing_defaults
        environ = {}
        setup_testing_defaults(environ)
        if kw is not None:
            environ.update(kw)
        environ['REMOTE_ADDR'] = '1.1.1.1'
        environ['HTTP_HOST'] = 'localhost'
        return environ
 
    def _makeOne(self, secret='s33kr3t', *arg, **kw):
        plugin = self._getTargetClass()(secret, *arg, **kw)
        return plugin
 
    def _makeTicket(self, userid='userid', remote_addr='0.0.0.0',
                    tokens = [], userdata='userdata',
                    cookie_name='auth_tkt', secure=False,
                    time=None):
        #from paste.auth import auth_tkt
        import repoze.who._auth_tkt as auth_tkt
        ticket = auth_tkt.AuthTicket(
            'secret',
            userid,
            remote_addr,
            tokens=tokens,
            user_data=userdata,
            time=time,
            cookie_name=cookie_name,
            secure=secure)
        return ticket.cookie_value()
 
    def _setNowTesting(self, value):
        from repoze.who.plugins import auth_tkt
        auth_tkt._NOW_TESTING, self._now_testing = value, auth_tkt._NOW_TESTING
 
    def test_class_conforms_to_IIdentifier(self):
        from zope.interface.verify import verifyClass
        from repoze.who.interfaces import IIdentifier
        klass = self._getTargetClass()
        verifyClass(IIdentifier, klass)
 
    def test_instance_conforms_to_IIdentifier(self):
        from zope.interface.verify import verifyObject
        from repoze.who.interfaces import IIdentifier
        klass = self._getTargetClass()
        verifyObject(IIdentifier, self._makeOne())
 
    def test_class_conforms_to_IAuthenticator(self):
        from zope.interface.verify import verifyClass
        from repoze.who.interfaces import IAuthenticator
        klass = self._getTargetClass()
        verifyClass(IAuthenticator, klass)
 
    def test_instance_conforms_to_IAuthenticator(self):
        from zope.interface.verify import verifyObject
        from repoze.who.interfaces import IAuthenticator
        klass = self._getTargetClass()
        verifyObject(IAuthenticator, self._makeOne())
 
    def test_timeout_no_reissue(self):
        self.assertRaises(ValueError, self._makeOne, 'userid', timeout=1)
 
    def test_timeout_lower_than_reissue(self):
        self.assertRaises(ValueError, self._makeOne, 'userid', timeout=1,
                          reissue_time=2)
 
    def test_identify_nocookie(self):
        plugin = self._makeOne('secret')
        environ = self._makeEnviron()
        result = plugin.identify(environ)
        self.assertEqual(result, None)
        
    def test_identify_good_cookie_include_ip(self):
        plugin = self._makeOne('secret', include_ip=True)
        val = self._makeTicket(remote_addr='1.1.1.1')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(len(result), 4)
        self.assertEqual(result['tokens'], [''])
        self.assertEqual(result['repoze.who.plugins.auth_tkt.userid'], 'userid')
        self.assertEqual(result['userdata'], 'userdata')
        self.failUnless('timestamp' in result)
        self.assertEqual(environ['REMOTE_USER_TOKENS'], [''])
        self.assertEqual(environ['REMOTE_USER_DATA'],'userdata')
        self.assertEqual(environ['AUTH_TYPE'],'cookie')
 
    def test_identify_good_cookie_dont_include_ip(self):
        plugin = self._makeOne('secret', include_ip=False)
        val = self._makeTicket()
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(len(result), 4)
        self.assertEqual(result['tokens'], [''])
        self.assertEqual(result['repoze.who.plugins.auth_tkt.userid'], 'userid')
        self.assertEqual(result['userdata'], 'userdata')
        self.failUnless('timestamp' in result)
        self.assertEqual(environ['REMOTE_USER_TOKENS'], [''])
        self.assertEqual(environ['REMOTE_USER_DATA'],'userdata')
        self.assertEqual(environ['AUTH_TYPE'],'cookie')
 
    def test_identify_good_cookie_int_useridtype(self):
        plugin = self._makeOne('secret', include_ip=False)
        val = self._makeTicket(userid='1', userdata='userid_type:int')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(len(result), 4)
        self.assertEqual(result['tokens'], [''])
        self.assertEqual(result['repoze.who.plugins.auth_tkt.userid'], 1)
        self.assertEqual(result['userdata'], 'userid_type:int')
        self.failUnless('timestamp' in result)
        self.assertEqual(environ['REMOTE_USER_TOKENS'], [''])
        self.assertEqual(environ['REMOTE_USER_DATA'],'userid_type:int')
        self.assertEqual(environ['AUTH_TYPE'],'cookie')
 
    def test_identify_good_cookie_unknown_useridtype(self):
        plugin = self._makeOne('secret', include_ip=False)
        val = self._makeTicket(userid='userid', userdata='userid_type:unknown')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(len(result), 4)
        self.assertEqual(result['tokens'], [''])
        self.assertEqual(result['repoze.who.plugins.auth_tkt.userid'], 'userid')
        self.assertEqual(result['userdata'], 'userid_type:unknown')
        self.failUnless('timestamp' in result)
        self.assertEqual(environ['REMOTE_USER_TOKENS'], [''])
        self.assertEqual(environ['REMOTE_USER_DATA'],'userid_type:unknown')
        self.assertEqual(environ['AUTH_TYPE'],'cookie')
 
    def test_identify_bad_cookie(self):
        plugin = self._makeOne('secret', include_ip=True)
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=bogus'})
        result = plugin.identify(environ)
        self.assertEqual(result, None)
    
    def test_identify_bad_cookie_expired(self):
        import time
        plugin = self._makeOne('secret', timeout=2, reissue_time=1)
        val = self._makeTicket(userid='userid', time=time.time()-3)
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(result, None)
 
    def test_identify_with_checker_and_existing_account(self):
        plugin = self._makeOne('secret', userid_checker=dummy_userid_checker)
        val = self._makeTicket(userid='existing')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.identify(environ)
        self.assertEqual(len(result), 4)
        self.assertEqual(result['tokens'], [''])
        self.assertEqual(result['repoze.who.plugins.auth_tkt.userid'], 'existing')
        self.assertEqual(result['userdata'], 'userdata')
        self.failUnless('timestamp' in result)
        self.assertEqual(environ['REMOTE_USER_TOKENS'], [''])
        self.assertEqual(environ['REMOTE_USER_DATA'],'userdata')
        self.assertEqual(environ['AUTH_TYPE'],'cookie')
 
    def test_remember_creds_same(self):
        plugin = self._makeOne('secret')
        val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % val})
        result = plugin.remember(environ, {'repoze.who.userid':'userid',
                                           'userdata':'userdata'})
        self.assertEqual(result, None)
 
    def test_remember_creds_secure(self):
        plugin = self._makeOne('secret', secure=True)
        val = self._makeTicket(userid='userid', secure=True)
        environ = self._makeEnviron()
        result = plugin.remember(environ, {'repoze.who.userid':'userid',
                                           'userdata':'userdata'})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/; '
                          'secure; '
                          'HttpOnly' % val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost; '
                           'secure; HttpOnly'
                            % val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost; '
                           'secure; HttpOnly'
                            % val))
 
    def test_remember_creds_different(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='other', userdata='userdata')
        result = plugin.remember(environ, {'repoze.who.userid':'other',
                                           'userdata':'userdata'})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_strips_port(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val,
                                     'HTTP_HOST': 'localhost:8080',
                                    })
        new_val = self._makeTicket(userid='other', userdata='userdata')
        result = plugin.remember(environ, {'repoze.who.userid':'other',
                                           'userdata':'userdata'})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_include_ip(self):
        plugin = self._makeOne('secret', include_ip=True)
        old_val = self._makeTicket(userid='userid', remote_addr='1.1.1.1')
        environ = self._makeEnviron({'HTTP_COOKIE': 'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='other',
                                   userdata='userdata',
                                   remote_addr='1.1.1.1')
        result = plugin.remember(environ, {'repoze.who.userid':'other',
                                           'userdata':'userdata'})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_bad_old_cookie(self):
        plugin = self._makeOne('secret')
        old_val = 'BOGUS'
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='other', userdata='userdata')
        result = plugin.remember(environ, {'repoze.who.userid':'other',
                                           'userdata':'userdata'})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_with_tokens(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='userid',
                                   userdata='userdata',
                                   tokens=['foo', 'bar'],
                                  )
        result = plugin.remember(environ, {'repoze.who.userid': 'userid',
                                           'userdata': 'userdata',
                                           'tokens': ['foo', 'bar'],
                                          })
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_with_tuple_tokens(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='userid',
                                   userdata='userdata',
                                   tokens=['foo', 'bar'],
                                  )
        result = plugin.remember(environ, {'repoze.who.userid': 'userid',
                                           'userdata': 'userdata',
                                           'tokens': ('foo', 'bar'),
                                          })
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
        self.assertEqual(result[1],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=localhost'
                            % new_val))
        self.assertEqual(result[2],
                         ('Set-Cookie',
                           'auth_tkt="%s"; '
                           'Path=/; '
                           'Domain=.localhost'
                            % new_val))
 
    def test_remember_creds_different_int_userid(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='1', userdata='userid_type:int')
        result = plugin.remember(environ, {'repoze.who.userid':1,
                                           'userdata':''})
        
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
 
    def test_remember_creds_different_long_userid(self):
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='1', userdata='userid_type:int')
        result = plugin.remember(environ, {'repoze.who.userid':long(1),
                                           'userdata':''})
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
 
    def test_remember_creds_different_unicode_userid(self):
        from repoz.who._compat import u
        plugin = self._makeOne('secret')
        old_val = self._makeTicket(userid='userid')
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        userid = u('\xc2\xa9', 'utf-8')
        new_val = self._makeTicket(userid=userid.encode('utf-8'),
                                   userdata='userid_type:unicode')
        result = plugin.remember(environ, {'repoze.who.userid':userid,
                                           'userdata':''})
        self.assertEqual(type(result[0][1]), str)
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
 
    def test_remember_creds_reissue(self):
        import time
        plugin = self._makeOne('secret', reissue_time=1)
        old_val = self._makeTicket(userid='userid', userdata='',
                                   time=time.time()-2)
        environ = self._makeEnviron({'HTTP_COOKIE':'auth_tkt=%s' % old_val})
        new_val = self._makeTicket(userid='userid', userdata='')
        result = plugin.remember(environ, {'repoze.who.userid':'userid',
                                           'userdata':''})
        self.assertEqual(type(result[0][1]), str)
        self.assertEqual(len(result), 3)
        self.assertEqual(result[0],
                         ('Set-Cookie',
                          'auth_tkt="%s"; '
                          'Path=/' % new_val))
 
    def test_remember_max_age(self):
        plugin = self._makeOne('secret')
        environ = {'HTTP_HOST':'example.com'}
        
        tkt = self._makeTicket(userid='chris', userdata='')
        result = plugin.remember(environ, {'repoze.who.userid':'chris',
                                           'max_age':'500'})
        
        name,value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(
            value.startswith('auth_tkt="%s"; Path=/; Max-Age=500' % tkt),
            value)
        self.failUnless('; Expires=' in value)
        
        name,value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(
            value.startswith(
            'auth_tkt="%s"; Path=/; Domain=example.com; Max-Age=500'
            % tkt), value)
        self.failUnless('; Expires=' in value)
 
        name,value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(
            value.startswith(
            'auth_tkt="%s"; Path=/; Domain=.example.com; Max-Age=500' % tkt),
            value)
        self.failUnless('; Expires=' in value)
 
    def test_forget(self):
        from datetime import datetime
        now = datetime(2009, 11, 5, 16, 15, 22)
        self._setNowTesting(now)
        plugin = self._makeOne('secret')
        environ = self._makeEnviron()
        headers = plugin.forget(environ, None)
        self.assertEqual(len(headers), 3)
        header = headers[0]
        name, value = header
        self.assertEqual(name, 'Set-Cookie')
        self.assertEqual(value,
                         'auth_tkt="INVALID"; Path=/; '
                         'Max-Age=0; Expires=Thu, 05 Nov 2009 16:15:22'
                         )
        header = headers[1]
        name, value = header
        self.assertEqual(name, 'Set-Cookie')
        self.assertEqual(value,
                         'auth_tkt="INVALID"; Path=/; Domain=localhost; '
                         'Max-Age=0; Expires=Thu, 05 Nov 2009 16:15:22'
                         )
        header = headers[2]
        name, value = header
        self.assertEqual(name, 'Set-Cookie')
        self.assertEqual(value,
                         'auth_tkt="INVALID"; Path=/; Domain=.localhost; '
                         'Max-Age=0; Expires=Thu, 05 Nov 2009 16:15:22'
                        )
 
    def test_authenticate_non_auth_tkt_credentials(self):
        plugin = self._makeOne()
        self.assertEqual(plugin.authenticate(environ={}, identity={}), None)
    
    def test_authenticate_without_checker(self):
        plugin = self._makeOne()
        identity = {'repoze.who.plugins.auth_tkt.userid': 'phred'}
        self.assertEqual(plugin.authenticate({}, identity), 'phred')
    
    def test_authenticate_with_checker_and_non_existing_account(self):
        plugin = self._makeOne('secret', userid_checker=dummy_userid_checker)
        identity = {'repoze.who.plugins.auth_tkt.userid': 'phred'}
        self.assertEqual(plugin.authenticate({}, identity), None)
    
    def test_authenticate_with_checker_and_existing_account(self):
        plugin = self._makeOne('secret', userid_checker=dummy_userid_checker)
        identity = {'repoze.who.plugins.auth_tkt.userid': 'existing'}
        self.assertEqual(plugin.authenticate({}, identity), 'existing')
 
    def test_factory_wo_secret_wo_secretfile_raises_ValueError(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        self.assertRaises(ValueError, make_plugin)
 
    def test_factory_w_secret_w_secretfile_raises_ValueError(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        self.assertRaises(ValueError, make_plugin, 'secret', 'secretfile')
 
    def test_factory_w_bad_secretfile_raises_ValueError(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        self.assertRaises(ValueError, make_plugin, secretfile='nonesuch.txt')
 
    def test_factory_w_secret(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        plugin = make_plugin('secret')
        self.assertEqual(plugin.cookie_name, 'auth_tkt')
        self.assertEqual(plugin.secret, 'secret')
        self.assertEqual(plugin.include_ip, False)
        self.assertEqual(plugin.secure, False)
 
    def test_factory_w_secretfile(self):
        import os
        from tempfile import mkdtemp
        from repoze.who.plugins.auth_tkt import make_plugin
        tempdir = self.tempdir = mkdtemp()
        path = os.path.join(tempdir, 'who.secret')
        secret = open(path, 'w')
        secret.write('s33kr1t\n')
        secret.flush()
        secret.close()
        plugin = make_plugin(secretfile=path)
        self.assertEqual(plugin.secret, 's33kr1t')
 
    def test_factory_with_timeout_and_reissue_time(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        plugin = make_plugin('secret', timeout=5, reissue_time=1)
        self.assertEqual(plugin.timeout, 5)
        self.assertEqual(plugin.reissue_time, 1)
 
    def test_factory_with_userid_checker(self):
        from repoze.who.plugins.auth_tkt import make_plugin
        plugin = make_plugin(
            'secret',
            userid_checker='repoze.who.plugins.auth_tkt:make_plugin')
        self.assertEqual(plugin.userid_checker, make_plugin)
 
    def test_remember_max_age_unicode(self):
        from repoz.who._compat import u
        plugin = self._makeOne('secret')
        environ = {'HTTP_HOST':'example.com'}
        tkt = self._makeTicket(userid='chris', userdata='')
        result = plugin.remember(environ, {'repoze.who.userid': 'chris',
                                           'max_age': u('500')})
        name, value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(isinstance(value, str))
        self.failUnless(
            value.startswith('auth_tkt="%s"; Path=/; Max-Age=500' % tkt),
            (value, tkt))
        self.failUnless('; Expires=' in value)
        
        name,value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(
            value.startswith(
            'auth_tkt="%s"; Path=/; Domain=example.com; Max-Age=500'
            % tkt), value)
        self.failUnless('; Expires=' in value)
 
        name,value = result.pop(0)
        self.assertEqual('Set-Cookie', name)
        self.failUnless(
            value.startswith(
            'auth_tkt="%s"; Path=/; Domain=.example.com; Max-Age=500' % tkt),
            value)
        self.failUnless('; Expires=' in value)
 
 
def dummy_userid_checker(userid):
    return userid == 'existing'