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-rw-r--r--synapse/api/auth.py32
-rw-r--r--synapse/api/constants.py9
-rw-r--r--synapse/api/errors.py39
3 files changed, 74 insertions, 6 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py

index 5bbbe8e2e7..3b2a2ab77a 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py
@@ -213,7 +213,7 @@ class Auth(object): default=[b""] )[0] if user and access_token and ip_addr: - self.store.insert_client_ip( + yield self.store.insert_client_ip( user_id=user.to_string(), access_token=access_token, ip=ip_addr, @@ -773,3 +773,33 @@ class Auth(object): raise AuthError( 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN ) + + @defer.inlineCallbacks + def check_auth_blocking(self, user_id=None): + """Checks if the user should be rejected for some external reason, + such as monthly active user limiting or global disable flag + + Args: + user_id(str|None): If present, checks for presence against existing + MAU cohort + """ + if self.hs.config.hs_disabled: + raise AuthError( + 403, self.hs.config.hs_disabled_message, + errcode=Codes.RESOURCE_LIMIT_EXCEED, + admin_uri=self.hs.config.admin_uri, + ) + if self.hs.config.limit_usage_by_mau is True: + # If the user is already part of the MAU cohort + if user_id: + timestamp = yield self.store.user_last_seen_monthly_active(user_id) + if timestamp: + return + # Else if there is no room in the MAU bucket, bail + current_mau = yield self.store.get_monthly_active_count() + if current_mau >= self.hs.config.max_mau_value: + raise AuthError( + 403, "Monthly Active User Limits AU Limit Exceeded", + admin_uri=self.hs.config.admin_uri, + errcode=Codes.RESOURCE_LIMIT_EXCEED + ) diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index 4df930c8d1..b0da506f6d 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py
@@ -1,6 +1,7 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd # Copyright 2017 Vector Creations Ltd +# Copyright 2018 New Vector Ltd. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -94,3 +95,11 @@ class RoomCreationPreset(object): class ThirdPartyEntityKind(object): USER = "user" LOCATION = "location" + + +# the version we will give rooms which are created on this server +DEFAULT_ROOM_VERSION = "1" + +# vdh-test-version is a placeholder to get room versioning support working and tested +# until we have a working v2. +KNOWN_ROOM_VERSIONS = {"1", "vdh-test-version"} diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index b41d595059..08f0cb5554 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py
@@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2018 New Vector Ltd. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -55,7 +56,9 @@ class Codes(object): SERVER_NOT_TRUSTED = "M_SERVER_NOT_TRUSTED" CONSENT_NOT_GIVEN = "M_CONSENT_NOT_GIVEN" CANNOT_LEAVE_SERVER_NOTICE_ROOM = "M_CANNOT_LEAVE_SERVER_NOTICE_ROOM" - MAU_LIMIT_EXCEEDED = "M_MAU_LIMIT_EXCEEDED" + RESOURCE_LIMIT_EXCEED = "M_RESOURCE_LIMIT_EXCEED" + UNSUPPORTED_ROOM_VERSION = "M_UNSUPPORTED_ROOM_VERSION" + INCOMPATIBLE_ROOM_VERSION = "M_INCOMPATIBLE_ROOM_VERSION" class CodeMessageException(RuntimeError): @@ -221,11 +224,16 @@ class NotFoundError(SynapseError): class AuthError(SynapseError): """An error raised when there was a problem authorising an event.""" + def __init__(self, code, msg, errcode=Codes.FORBIDDEN, admin_uri=None): + self.admin_uri = admin_uri + super(AuthError, self).__init__(code, msg, errcode=errcode) - def __init__(self, *args, **kwargs): - if "errcode" not in kwargs: - kwargs["errcode"] = Codes.FORBIDDEN - super(AuthError, self).__init__(*args, **kwargs) + def error_dict(self): + return cs_error( + self.msg, + self.errcode, + admin_uri=self.admin_uri, + ) class EventSizeError(SynapseError): @@ -285,6 +293,27 @@ class LimitExceededError(SynapseError): ) +class IncompatibleRoomVersionError(SynapseError): + """A server is trying to join a room whose version it does not support.""" + + def __init__(self, room_version): + super(IncompatibleRoomVersionError, self).__init__( + code=400, + msg="Your homeserver does not support the features required to " + "join this room", + errcode=Codes.INCOMPATIBLE_ROOM_VERSION, + ) + + self._room_version = room_version + + def error_dict(self): + return cs_error( + self.msg, + self.errcode, + room_version=self._room_version, + ) + + def cs_error(msg, code=Codes.UNKNOWN, **kwargs): """ Utility method for constructing an error response for client-server interactions.