def test_validate_context_ok_noscopes(self):
'''This test case ensures a security context is valid when no required scopes are necessary.'''
access_token = Token({"scopes": ["scope1"]})
security_ctx = SecurityContext(access_token)
self.assertTrue(security_ctx.validate_context())
def test_validate_context_ok_noscopes(self):
"""This test case ensures a security context is valid when no required scopes are necessary."""
access_token = Token({"scopes": ["scope1"]})
security_ctx = SecurityContext(access_token)
self.assertTrue(security_ctx.validate_context())
def test_validate_context_invalid(self):
"""This test case ensures a security context is invalid when required scopes are not found in access_token scopes."""
for attr_scope in self._ATTR_SCOPES:
access_token = Token({"scopes": []})
required_scopes = ["scope1", "scope2"]
required_scopes_obj = self._mock_required_scopes_obj(attr_scope, required_scopes)
security_ctx = SecurityContext(access_token, required_scopes_obj)
self.assertFalse(security_ctx.validate_context(attr_scope))
def test_validate_context_invalid(self):
'''This test case ensures a security context is invalid when required scopes are not found in access_token scopes.'''
for attr_scope in self._ATTR_SCOPES:
access_token = Token({"scopes": []})
required_scopes = ["scope1", "scope2"]
required_scopes_obj = self._mock_required_scopes_obj(
attr_scope, required_scopes)
security_ctx = SecurityContext(access_token, required_scopes_obj)
self.assertFalse(security_ctx.validate_context(attr_scope))
def __call__(self, environ, start_response, conn_manager=mvc):
'''This method is invoked automatically during middleware pipeline execution. For tokens middleware, this is the place
where oauth2 access tokens are decrypted and validated.'''
request = environ.get("fantastico.request")
if not request:
raise FantasticoNoRequestError(
"OAuth2TokensMiddleware must execute after RequestMiddleware.")
if not conn_manager.CONN_MANAGER:
raise FantasticoDbError(
msg=
"OAuth2TokensMiddleware must execute after ModelSessionMiddleware."
)
db_conn = conn_manager.CONN_MANAGER.get_connection(request.request_id)
encrypted_token = request.params.get(
self.TOKEN_QPARAM, self._get_token_from_header(request))
if not encrypted_token:
request.context.security = SecurityContext(None)
return self._app(environ, start_response)
request.context.security = self._build_security_context(
encrypted_token, db_conn)
return self._app(environ, start_response)
def _build_security_context(self, encrypted_token, db_conn):
'''This method builds a security context using the current encrypted token and the currently opened db connection.'''
tokens_service = self._tokens_service_cls(db_conn)
token = tokens_service.decrypt(encrypted_token)
tokens_service.validate(token)
return SecurityContext(token)
def inject_scopes_in_security(self, request):
'''This method injects the request scopes into request security context.'''
security_ctx = request.context.security
ctx = SecurityContext(access_token=security_ctx.access_token,
required_scopes=self)
request.context.security = ctx
def test_required_scopes_unauthorized(self):
'''This test case ensures a concrete exception is raised if the requested scopes are not available in
the current security context.'''
access_token = Token({"scopes": []})
request = Mock()
request.context = Mock()
request.context.security = SecurityContext(access_token)
mock_controller = MockController(Mock())
self.assertRaises(OAuth2UnauthorizedError, lambda: mock_controller.do_stuff(request))
def _test_required_scopes_method(self, method, expected_scopes):
'''This method provides a template test case for invoking and asserting result of a method decorated with
@RequiredScopes.'''
expected_scopes = sorted(expected_scopes)
access_token = Token({"scopes": expected_scopes})
request = Mock()
request.context = Mock()
request.context.security = SecurityContext(access_token)
self.assertIsNone(method(request))
security_ctx = request.context.security
self.assertEqual(access_token, security_ctx.access_token)
self.assertEqual(expected_scopes, security_ctx.required_scopes.scopes)
def _test_validate_owned_by_user(self, resource, user_id, person_id):
'''This method provides a template for testing validation for scenarios where resource belongs / does not belong to
expected user.'''
token = Token({"user_id": user_id, "scopes": []})
request = Mock()
request.request_id = 1
request.context = Mock()
request.context.security = SecurityContext(token)
self._model_facade.find_by_pk = Mock(return_value=User(person_id=1))
self._validator.validate(resource, request, person_id)
self._conn_manager.get_connection.assert_called_once_with(
request.request_id)
self._model_facade_cls.assert_called_once_with(User, self._db_conn)
self._model_facade.find_by_pk.assert_called_once_with(
{User.user_id: token.user_id})