diff options
| -rw-r--r-- | synapse/handlers/register.py | 6 | ||||
| -rw-r--r-- | synapse/rest/client/v1/register.py | 2 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/register.py | 29 |
3 files changed, 32 insertions, 5 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index bd5ba6e1d8..f6e7e58563 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -15,7 +15,6 @@ """Contains functions for registering clients.""" import logging -import urllib from twisted.internet import defer @@ -23,6 +22,7 @@ from synapse.api.errors import ( AuthError, Codes, SynapseError, RegistrationError, InvalidCaptchaError ) from synapse.http.client import CaptchaServerHttpClient +from synapse import types from synapse.types import UserID from synapse.util.async import run_on_reactor from ._base import BaseHandler @@ -47,7 +47,7 @@ class RegistrationHandler(BaseHandler): @defer.inlineCallbacks def check_username(self, localpart, guest_access_token=None, assigned_user_id=None): - if urllib.quote(localpart.encode('utf-8')) != localpart: + if types.contains_invalid_mxid_characters(localpart): raise SynapseError( 400, "User ID can only contain characters a-z, 0-9, or '=_-./'", @@ -253,7 +253,7 @@ class RegistrationHandler(BaseHandler): """ Registers email_id as SAML2 Based Auth. """ - if urllib.quote(localpart) != localpart: + if types.contains_invalid_mxid_characters(localpart): raise SynapseError( 400, "User ID can only contain characters a-z, 0-9, or '=_-./'", diff --git a/synapse/rest/client/v1/register.py b/synapse/rest/client/v1/register.py index ecf7e311a9..32ed1d3ab2 100644 --- a/synapse/rest/client/v1/register.py +++ b/synapse/rest/client/v1/register.py @@ -359,7 +359,7 @@ class RegisterRestServlet(ClientV1RestServlet): if compare_digest(want_mac, got_mac): handler = self.handlers.registration_handler user_id, token = yield handler.register( - localpart=user, + localpart=user.lower(), password=password, admin=bool(admin), ) diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index eebd071e59..9e2f7308ce 100644 --- a/synapse/rest/client/v2_alpha/register.py +++ b/synapse/rest/client/v2_alpha/register.py @@ -224,6 +224,12 @@ class RegisterRestServlet(RestServlet): # 'user' key not 'username'). Since this is a new addition, we'll # fallback to 'username' if they gave one. desired_username = body.get("user", desired_username) + + # XXX we should check that desired_username is valid. Currently + # we give appservices carte blanche for any insanity in mxids, + # because the IRC bridges rely on being able to register stupid + # IDs. + access_token = get_access_token_from_request(request) if isinstance(desired_username, basestring): @@ -233,6 +239,15 @@ class RegisterRestServlet(RestServlet): defer.returnValue((200, result)) # we throw for non 200 responses return + # for either shared secret or regular registration, downcase the + # provided username before attempting to register it. This should mean + # that people who try to register with upper-case in their usernames + # don't get a nasty surprise. (Note that we treat username + # case-insenstively in login, so they are free to carry on imagining + # that their username is CrAzYh4cKeR if that keeps them happy) + if desired_username is not None: + desired_username = desired_username.lower() + # == Shared Secret Registration == (e.g. create new user scripts) if 'mac' in body: # FIXME: Should we really be determining if this is shared secret @@ -336,6 +351,9 @@ class RegisterRestServlet(RestServlet): new_password = params.get("password", None) guest_access_token = params.get("guest_access_token", None) + if desired_username is not None: + desired_username = desired_username.lower() + (registered_user_id, _) = yield self.registration_handler.register( localpart=desired_username, password=new_password, @@ -417,13 +435,22 @@ class RegisterRestServlet(RestServlet): def _do_shared_secret_registration(self, username, password, body): if not self.hs.config.registration_shared_secret: raise SynapseError(400, "Shared secret registration is not enabled") + if not username: + raise SynapseError( + 400, "username must be specified", errcode=Codes.BAD_JSON, + ) - user = username.encode("utf-8") + # use the username from the original request rather than the + # downcased one in `username` for the mac calculation + user = body["username"].encode("utf-8") # str() because otherwise hmac complains that 'unicode' does not # have the buffer interface got_mac = str(body["mac"]) + # FIXME this is different to the /v1/register endpoint, which + # includes the password and admin flag in the hashed text. Why are + # these different? want_mac = hmac.new( key=self.hs.config.registration_shared_secret, msg=user, |