diff options
| -rw-r--r-- | changelog.d/6107.bugfix | 1 | ||||
| -rw-r--r-- | synapse/handlers/auth.py | 11 | ||||
| -rw-r--r-- | synapse/handlers/ui_auth/checkers.py | 26 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/register.py | 32 | ||||
| -rw-r--r-- | tests/rest/client/v2_alpha/test_register.py | 29 |
5 files changed, 83 insertions, 16 deletions
diff --git a/changelog.d/6107.bugfix b/changelog.d/6107.bugfix new file mode 100644 index 0000000000..d4b9516ac7 --- /dev/null +++ b/changelog.d/6107.bugfix @@ -0,0 +1 @@ +Ensure that servers which are not configured to support email address verification do not offer it in the registration flows. \ No newline at end of file diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index f920c2f6c1..333eb30625 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -61,7 +61,8 @@ class AuthHandler(BaseHandler): self.checkers = {} # type: dict[str, UserInteractiveAuthChecker] for auth_checker_class in INTERACTIVE_AUTH_CHECKERS: inst = auth_checker_class(hs) - self.checkers[inst.AUTH_TYPE] = inst + if inst.is_enabled(): + self.checkers[inst.AUTH_TYPE] = inst self.bcrypt_rounds = hs.config.bcrypt_rounds @@ -156,6 +157,14 @@ class AuthHandler(BaseHandler): return params + def get_enabled_auth_types(self): + """Return the enabled user-interactive authentication types + + Returns the UI-Auth types which are supported by the homeserver's current + config. + """ + return self.checkers.keys() + @defer.inlineCallbacks def check_auth(self, flows, clientdict, clientip): """ diff --git a/synapse/handlers/ui_auth/checkers.py b/synapse/handlers/ui_auth/checkers.py index fd633b7b0e..ee69223243 100644 --- a/synapse/handlers/ui_auth/checkers.py +++ b/synapse/handlers/ui_auth/checkers.py @@ -32,6 +32,13 @@ class UserInteractiveAuthChecker: def __init__(self, hs): pass + def is_enabled(self): + """Check if the configuration of the homeserver allows this checker to work + + Returns: + bool: True if this login type is enabled. + """ + def check_auth(self, authdict, clientip): """Given the authentication dict from the client, attempt to check this step @@ -51,6 +58,9 @@ class UserInteractiveAuthChecker: class DummyAuthChecker(UserInteractiveAuthChecker): AUTH_TYPE = LoginType.DUMMY + def is_enabled(self): + return True + def check_auth(self, authdict, clientip): return defer.succeed(True) @@ -58,6 +68,9 @@ class DummyAuthChecker(UserInteractiveAuthChecker): class TermsAuthChecker(UserInteractiveAuthChecker): AUTH_TYPE = LoginType.TERMS + def is_enabled(self): + return True + def check_auth(self, authdict, clientip): return defer.succeed(True) @@ -67,10 +80,14 @@ class RecaptchaAuthChecker(UserInteractiveAuthChecker): def __init__(self, hs): super().__init__(hs) + self._enabled = bool(hs.config.recaptcha_private_key) self._http_client = hs.get_simple_http_client() self._url = hs.config.recaptcha_siteverify_api self._secret = hs.config.recaptcha_private_key + def is_enabled(self): + return self._enabled + @defer.inlineCallbacks def check_auth(self, authdict, clientip): try: @@ -191,6 +208,12 @@ class EmailIdentityAuthChecker(UserInteractiveAuthChecker, _BaseThreepidAuthChec UserInteractiveAuthChecker.__init__(self, hs) _BaseThreepidAuthChecker.__init__(self, hs) + def is_enabled(self): + return self.hs.config.threepid_behaviour_email in ( + ThreepidBehaviour.REMOTE, + ThreepidBehaviour.LOCAL, + ) + def check_auth(self, authdict, clientip): return self._check_threepid("email", authdict) @@ -202,6 +225,9 @@ class MsisdnAuthChecker(UserInteractiveAuthChecker, _BaseThreepidAuthChecker): UserInteractiveAuthChecker.__init__(self, hs) _BaseThreepidAuthChecker.__init__(self, hs) + def is_enabled(self): + return bool(self.hs.config.account_threepid_delegate_msisdn) + def check_auth(self, authdict, clientip): return self._check_threepid("msisdn", authdict) diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index e3f3d9126f..4f24a124a6 100644 --- a/synapse/rest/client/v2_alpha/register.py +++ b/synapse/rest/client/v2_alpha/register.py @@ -32,12 +32,14 @@ from synapse.api.errors import ( ThreepidValidationError, UnrecognizedRequestError, ) +from synapse.config import ConfigError from synapse.config.captcha import CaptchaConfig from synapse.config.consent_config import ConsentConfig from synapse.config.emailconfig import ThreepidBehaviour from synapse.config.ratelimiting import FederationRateLimitConfig from synapse.config.registration import RegistrationConfig from synapse.config.server import is_threepid_reserved +from synapse.handlers.auth import AuthHandler from synapse.http.server import finish_request from synapse.http.servlet import ( RestServlet, @@ -375,7 +377,9 @@ class RegisterRestServlet(RestServlet): self.ratelimiter = hs.get_registration_ratelimiter() self.clock = hs.get_clock() - self._registration_flows = _calculate_registration_flows(hs.config) + self._registration_flows = _calculate_registration_flows( + hs.config, self.auth_handler + ) @interactive_auth_handler @defer.inlineCallbacks @@ -664,11 +668,13 @@ class RegisterRestServlet(RestServlet): def _calculate_registration_flows( # technically `config` has to provide *all* of these interfaces, not just one config: Union[RegistrationConfig, ConsentConfig, CaptchaConfig], + auth_handler: AuthHandler, ) -> List[List[str]]: """Get a suitable flows list for registration Args: config: server configuration + auth_handler: authorization handler Returns: a list of supported flows """ @@ -678,10 +684,29 @@ def _calculate_registration_flows( require_msisdn = "msisdn" in config.registrations_require_3pid show_msisdn = True + show_email = True + if config.disable_msisdn_registration: show_msisdn = False require_msisdn = False + enabled_auth_types = auth_handler.get_enabled_auth_types() + if LoginType.EMAIL_IDENTITY not in enabled_auth_types: + show_email = False + if require_email: + raise ConfigError( + "Configuration requires email address at registration, but email " + "validation is not configured" + ) + + if LoginType.MSISDN not in enabled_auth_types: + show_msisdn = False + if require_msisdn: + raise ConfigError( + "Configuration requires msisdn at registration, but msisdn " + "validation is not configured" + ) + flows = [] # only support 3PIDless registration if no 3PIDs are required @@ -693,14 +718,15 @@ def _calculate_registration_flows( flows.append([LoginType.DUMMY]) # only support the email-only flow if we don't require MSISDN 3PIDs - if not require_msisdn: + if show_email and not require_msisdn: flows.append([LoginType.EMAIL_IDENTITY]) # only support the MSISDN-only flow if we don't require email 3PIDs if show_msisdn and not require_email: flows.append([LoginType.MSISDN]) - if show_msisdn: + if show_email and show_msisdn: + # always let users provide both MSISDN & email flows.append([LoginType.MSISDN, LoginType.EMAIL_IDENTITY]) # Prepend m.login.terms to all flows if we're requiring consent diff --git a/tests/rest/client/v2_alpha/test_register.py b/tests/rest/client/v2_alpha/test_register.py index bc2dc47973..dab87e5edf 100644 --- a/tests/rest/client/v2_alpha/test_register.py +++ b/tests/rest/client/v2_alpha/test_register.py @@ -198,16 +198,8 @@ class RegisterRestServletTestCase(unittest.HomeserverTestCase): self.assertEquals(channel.result["code"], b"401", channel.result) flows = channel.json_body["flows"] - # with the stock config, we expect all four combinations of 3pid - self.assertCountEqual( - [ - ["m.login.dummy"], - ["m.login.email.identity"], - ["m.login.msisdn"], - ["m.login.msisdn", "m.login.email.identity"], - ], - (f["stages"] for f in flows), - ) + # with the stock config, we only expect the dummy flow + self.assertCountEqual([["m.login.dummy"]], (f["stages"] for f in flows)) @unittest.override_config( { @@ -217,9 +209,13 @@ class RegisterRestServletTestCase(unittest.HomeserverTestCase): "template_dir": "/", "require_at_registration": True, }, + "account_threepid_delegates": { + "email": "https://id_server", + "msisdn": "https://id_server", + }, } ) - def test_advertised_flows_captcha_and_terms(self): + def test_advertised_flows_captcha_and_terms_and_3pids(self): request, channel = self.make_request(b"POST", self.url, b"{}") self.render(request) self.assertEquals(channel.result["code"], b"401", channel.result) @@ -241,7 +237,16 @@ class RegisterRestServletTestCase(unittest.HomeserverTestCase): ) @unittest.override_config( - {"registrations_require_3pid": ["email"], "disable_msisdn_registration": True} + { + "public_baseurl": "https://test_server", + "registrations_require_3pid": ["email"], + "disable_msisdn_registration": True, + "email": { + "smtp_host": "mail_server", + "smtp_port": 2525, + "notif_from": "sender@host", + }, + } ) def test_advertised_flows_no_msisdn_email_required(self): request, channel = self.make_request(b"POST", self.url, b"{}") |