import json import urllib.parse from mock import Mock import synapse.rest.admin from synapse.rest.client.v1 import login from synapse.rest.client.v2_alpha import devices from synapse.rest.client.v2_alpha.account import WhoamiRestServlet from tests import unittest from tests.unittest import override_config LOGIN_URL = b"/_matrix/client/r0/login" TEST_URL = b"/_matrix/client/r0/account/whoami" class LoginRestServletTestCase(unittest.HomeserverTestCase): servlets = [ synapse.rest.admin.register_servlets_for_client_rest_resource, login.register_servlets, devices.register_servlets, lambda hs, http_server: WhoamiRestServlet(hs).register(http_server), ] def make_homeserver(self, reactor, clock): self.hs = self.setup_test_homeserver() self.hs.config.enable_registration = True self.hs.config.registrations_require_3pid = [] self.hs.config.auto_join_rooms = [] self.hs.config.enable_registration_captcha = False return self.hs def test_POST_ratelimiting_per_address(self): self.hs.config.rc_login_address.burst_count = 5 self.hs.config.rc_login_address.per_second = 0.17 # Create different users so we're sure not to be bothered by the per-user # ratelimiter. for i in range(0, 6): self.register_user("kermit" + str(i), "monkey") for i in range(0, 6): params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit" + str(i)}, "password": "monkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, request_data) self.render(request) if i == 5: self.assertEquals(channel.result["code"], b"429", channel.result) retry_after_ms = int(channel.json_body["retry_after_ms"]) else: self.assertEquals(channel.result["code"], b"200", channel.result) # Since we're ratelimiting at 1 request/min, retry_after_ms should be lower # than 1min. self.assertTrue(retry_after_ms < 6000) self.reactor.advance(retry_after_ms / 1000.0) params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit" + str(i)}, "password": "monkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, params) self.render(request) self.assertEquals(channel.result["code"], b"200", channel.result) def test_POST_ratelimiting_per_account(self): self.hs.config.rc_login_account.burst_count = 5 self.hs.config.rc_login_account.per_second = 0.17 self.register_user("kermit", "monkey") for i in range(0, 6): params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit"}, "password": "monkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, request_data) self.render(request) if i == 5: self.assertEquals(channel.result["code"], b"429", channel.result) retry_after_ms = int(channel.json_body["retry_after_ms"]) else: self.assertEquals(channel.result["code"], b"200", channel.result) # Since we're ratelimiting at 1 request/min, retry_after_ms should be lower # than 1min. self.assertTrue(retry_after_ms < 6000) self.reactor.advance(retry_after_ms / 1000.0) params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit"}, "password": "monkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, params) self.render(request) self.assertEquals(channel.result["code"], b"200", channel.result) def test_POST_ratelimiting_per_account_failed_attempts(self): self.hs.config.rc_login_failed_attempts.burst_count = 5 self.hs.config.rc_login_failed_attempts.per_second = 0.17 self.register_user("kermit", "monkey") for i in range(0, 6): params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit"}, "password": "notamonkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, request_data) self.render(request) if i == 5: self.assertEquals(channel.result["code"], b"429", channel.result) retry_after_ms = int(channel.json_body["retry_after_ms"]) else: self.assertEquals(channel.result["code"], b"403", channel.result) # Since we're ratelimiting at 1 request/min, retry_after_ms should be lower # than 1min. self.assertTrue(retry_after_ms < 6000) self.reactor.advance(retry_after_ms / 1000.0) params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit"}, "password": "notamonkey", } request_data = json.dumps(params) request, channel = self.make_request(b"POST", LOGIN_URL, params) self.render(request) self.assertEquals(channel.result["code"], b"403", channel.result) @override_config({"session_lifetime": "24h"}) def test_soft_logout(self): self.register_user("kermit", "monkey") # we shouldn't be able to make requests without an access token request, channel = self.make_request(b"GET", TEST_URL) self.render(request) self.assertEquals(channel.result["code"], b"401", channel.result) self.assertEquals(channel.json_body["errcode"], "M_MISSING_TOKEN") # log in as normal params = { "type": "m.login.password", "identifier": {"type": "m.id.user", "user": "kermit"}, "password": "monkey", } request, channel = self.make_request(b"POST", LOGIN_URL, params) self.render(request) self.assertEquals(channel.code, 200, channel.result) access_token = channel.json_body["access_token"] device_id = channel.json_body["device_id"] # we should now be able to make requests with the access token request, channel = self.make_request( b"GET", TEST_URL, access_token=access_token ) self.render(request) self.assertEquals(channel.code, 200, channel.result) # time passes self.reactor.advance(24 * 3600) # ... and we should be soft-logouted request, channel = self.make_request( b"GET", TEST_URL, access_token=access_token ) self.render(request) self.assertEquals(channel.code, 401, channel.result) self.assertEquals(channel.json_body["errcode"], "M_UNKNOWN_TOKEN") self.assertEquals(channel.json_body["soft_logout"], True) # # test behaviour after deleting the expired device # # we now log in as a different device access_token_2 = self.login("kermit", "monkey") # more requests with the expired token should still return a soft-logout self.reactor.advance(3600) request, channel = self.make_request( b"GET", TEST_URL, access_token=access_token ) self.render(request) self.assertEquals(channel.code, 401, channel.result) self.assertEquals(channel.json_body["errcode"], "M_UNKNOWN_TOKEN") self.assertEquals(channel.json_body["soft_logout"], True) # ... but if we delete that device, it will be a proper logout self._delete_device(access_token_2, "kermit", "monkey", device_id) request, channel = self.make_request( b"GET", TEST_URL, access_token=access_token ) self.render(request) self.assertEquals(channel.code, 401, channel.result) self.assertEquals(channel.json_body["errcode"], "M_UNKNOWN_TOKEN") self.assertEquals(channel.json_body["soft_logout"], False) def _delete_device(self, access_token, user_id, password, device_id): """Perform the UI-Auth to delete a device""" request, channel = self.make_request( b"DELETE", "devices/" + device_id, access_token=access_token ) self.render(request) self.assertEquals(channel.code, 401, channel.result) # check it's a UI-Auth fail self.assertEqual( set(channel.json_body.keys()), {"flows", "params", "session"}, channel.result, ) auth = { "type": "m.login.password", # https://github.com/matrix-org/synapse/issues/5665 # "identifier": {"type": "m.id.user", "user": user_id}, "user": user_id, "password": password, "session": channel.json_body["session"], } request, channel = self.make_request( b"DELETE", "devices/" + device_id, access_token=access_token, content={"auth": auth}, ) self.render(request) self.assertEquals(channel.code, 200, channel.result) class CASTestCase(unittest.HomeserverTestCase): servlets = [ login.register_servlets, ] def make_homeserver(self, reactor, clock): self.base_url = "https://matrix.goodserver.com/" self.redirect_path = "_synapse/client/login/sso/redirect/confirm" config = self.default_config() config["cas_config"] = { "enabled": True, "server_url": "https://fake.test", "service_url": "https://matrix.goodserver.com:8448", } cas_user_id = "username" self.user_id = "@%s:test" % cas_user_id async def get_raw(uri, args): """Return an example response payload from a call to the `/proxyValidate` endpoint of a CAS server, copied from https://apereo.github.io/cas/5.0.x/protocol/CAS-Protocol-V2-Specification.html#26-proxyvalidate-cas-20 This needs to be returned by an async function (as opposed to set as the mock's return value) because the corresponding Synapse code awaits on it. """ return ( """ %s PGTIOU-84678-8a9d... https://proxy2/pgtUrl https://proxy1/pgtUrl """ % cas_user_id ) mocked_http_client = Mock(spec=["get_raw"]) mocked_http_client.get_raw.side_effect = get_raw self.hs = self.setup_test_homeserver( config=config, proxied_http_client=mocked_http_client, ) return self.hs def prepare(self, reactor, clock, hs): self.deactivate_account_handler = hs.get_deactivate_account_handler() def test_cas_redirect_confirm(self): """Tests that the SSO login flow serves a confirmation page before redirecting a user to the redirect URL. """ base_url = "/_matrix/client/r0/login/cas/ticket?redirectUrl" redirect_url = "https://dodgy-site.com/" url_parts = list(urllib.parse.urlparse(base_url)) query = dict(urllib.parse.parse_qsl(url_parts[4])) query.update({"redirectUrl": redirect_url}) query.update({"ticket": "ticket"}) url_parts[4] = urllib.parse.urlencode(query) cas_ticket_url = urllib.parse.urlunparse(url_parts) # Get Synapse to call the fake CAS and serve the template. request, channel = self.make_request("GET", cas_ticket_url) self.render(request) # Test that the response is HTML. self.assertEqual(channel.code, 200) content_type_header_value = "" for header in channel.result.get("headers", []): if header[0] == b"Content-Type": content_type_header_value = header[1].decode("utf8") self.assertTrue(content_type_header_value.startswith("text/html")) # Test that the body isn't empty. self.assertTrue(len(channel.result["body"]) > 0) # And that it contains our redirect link self.assertIn(redirect_url, channel.result["body"].decode("UTF-8")) @override_config( { "sso": { "client_whitelist": [ "https://legit-site.com/", "https://other-site.com/", ] } } ) def test_cas_redirect_whitelisted(self): """Tests that the SSO login flow serves a redirect to a whitelisted url """ self._test_redirect("https://legit-site.com/") @override_config({"public_baseurl": "https://example.com"}) def test_cas_redirect_login_fallback(self): self._test_redirect("https://example.com/_matrix/static/client/login") def _test_redirect(self, redirect_url): """Tests that the SSO login flow serves a redirect for the given redirect URL.""" cas_ticket_url = ( "/_matrix/client/r0/login/cas/ticket?redirectUrl=%s&ticket=ticket" % (urllib.parse.quote(redirect_url)) ) # Get Synapse to call the fake CAS and serve the template. request, channel = self.make_request("GET", cas_ticket_url) self.render(request) self.assertEqual(channel.code, 302) location_headers = channel.headers.getRawHeaders("Location") self.assertEqual(location_headers[0][: len(redirect_url)], redirect_url) @override_config({"sso": {"client_whitelist": ["https://legit-site.com/"]}}) def test_deactivated_user(self): """Logging in as a deactivated account should error.""" redirect_url = "https://legit-site.com/" # First login (to create the user). self._test_redirect(redirect_url) # Deactivate the account. self.get_success( self.deactivate_account_handler.deactivate_account(self.user_id, False) ) # Request the CAS ticket. cas_ticket_url = ( "/_matrix/client/r0/login/cas/ticket?redirectUrl=%s&ticket=ticket" % (urllib.parse.quote(redirect_url)) ) # Get Synapse to call the fake CAS and serve the template. request, channel = self.make_request("GET", cas_ticket_url) self.render(request) # Because the user is deactivated they are served an error template. self.assertEqual(channel.code, 403) self.assertIn(b"SSO account deactivated", channel.result["body"])