From bfe84e051e8472a1c3534e1287f1fb727df63259 Mon Sep 17 00:00:00 2001 From: Brendan Abolivier Date: Mon, 24 Jun 2019 11:45:11 +0100 Subject: [PATCH] Split public rooms directory auth config in two --- changelog.d/5534.feature | 1 + docs/sample_config.yaml | 12 ++++--- synapse/config/server.py | 44 ++++++++++++++++++++------ synapse/federation/transport/server.py | 8 ++--- synapse/rest/client/v1/room.py | 2 +- tests/rest/client/v1/test_rooms.py | 2 +- 6 files changed, 49 insertions(+), 20 deletions(-) create mode 100644 changelog.d/5534.feature diff --git a/changelog.d/5534.feature b/changelog.d/5534.feature new file mode 100644 index 000000000..2e279c9b7 --- /dev/null +++ b/changelog.d/5534.feature @@ -0,0 +1 @@ +Split public rooms directory auth config in two settings, in order to manage client auth independently from the federation part of it. Obsoletes the "restrict_public_rooms_to_local_users" configuration setting. If "restrict_public_rooms_to_local_users" is set in the config, Synapse will act as if both new options are enabled, i.e. require authentication through the client API and deny federation requests. diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index d5cc3e7ab..f4fd11321 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -54,11 +54,15 @@ pid_file: DATADIR/homeserver.pid # #require_auth_for_profile_requests: true -# If set to 'true', requires authentication to access the server's -# public rooms directory through the client API, and forbids any other -# homeserver to fetch it via federation. Defaults to 'false'. +# If set to 'false', requires authentication to access the server's public rooms +# directory through the client API. Defaults to 'true'. # -#restrict_public_rooms_to_local_users: true +#allow_public_rooms_without_auth: false + +# If set to 'false', forbids any other homeserver to fetch the server's public +# rooms directory via federation. Defaults to 'true'. +# +#allow_public_rooms_over_federation: false # The default room version for newly created rooms. # diff --git a/synapse/config/server.py b/synapse/config/server.py index 1e58b2e91..7cbb699a6 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -82,12 +82,32 @@ class ServerConfig(Config): "require_auth_for_profile_requests", False ) - # If set to 'True', requires authentication to access the server's - # public rooms directory through the client API, and forbids any other - # homeserver to fetch it via federation. - self.restrict_public_rooms_to_local_users = config.get( - "restrict_public_rooms_to_local_users", False - ) + if "restrict_public_rooms_to_local_users" in config and ( + "allow_public_rooms_without_auth" in config + or "allow_public_rooms_over_federation" in config + ): + raise ConfigError( + "Can't use 'restrict_public_rooms_to_local_users' if" + " 'allow_public_rooms_without_auth' and/or" + " 'allow_public_rooms_over_federation' is set." + ) + + # Check if the legacy "restrict_public_rooms_to_local_users" flag is set. This + # flag is now obsolete but we need to check it for backward-compatibility. + if config.get("restrict_public_rooms_to_local_users", False): + self.allow_public_rooms_without_auth = False + self.allow_public_rooms_over_federation = False + else: + # If set to 'False', requires authentication to access the server's public + # rooms directory through the client API. Defaults to 'True'. + self.allow_public_rooms_without_auth = config.get( + "allow_public_rooms_without_auth", True + ) + # If set to 'False', forbids any other homeserver to fetch the server's public + # rooms directory via federation. Defaults to 'True'. + self.allow_public_rooms_over_federation = config.get( + "allow_public_rooms_over_federation", True + ) default_room_version = config.get("default_room_version", DEFAULT_ROOM_VERSION) @@ -366,11 +386,15 @@ class ServerConfig(Config): # #require_auth_for_profile_requests: true - # If set to 'true', requires authentication to access the server's - # public rooms directory through the client API, and forbids any other - # homeserver to fetch it via federation. Defaults to 'false'. + # If set to 'false', requires authentication to access the server's public rooms + # directory through the client API. Defaults to 'true'. # - #restrict_public_rooms_to_local_users: true + #allow_public_rooms_without_auth: false + + # If set to 'false', forbids any other homeserver to fetch the server's public + # rooms directory via federation. Defaults to 'true'. + # + #allow_public_rooms_over_federation: false # The default room version for newly created rooms. # diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index b4854e82f..955f0f430 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -721,15 +721,15 @@ class PublicRoomList(BaseFederationServlet): PATH = "/publicRooms" - def __init__(self, handler, authenticator, ratelimiter, server_name, deny_access): + def __init__(self, handler, authenticator, ratelimiter, server_name, allow_access): super(PublicRoomList, self).__init__( handler, authenticator, ratelimiter, server_name ) - self.deny_access = deny_access + self.allow_access = allow_access @defer.inlineCallbacks def on_GET(self, origin, content, query): - if self.deny_access: + if not self.allow_access: raise FederationDeniedError(origin) limit = parse_integer_from_args(query, "limit", 0) @@ -1436,7 +1436,7 @@ def register_servlets(hs, resource, authenticator, ratelimiter, servlet_groups=N authenticator=authenticator, ratelimiter=ratelimiter, server_name=hs.hostname, - deny_access=hs.config.restrict_public_rooms_to_local_users, + allow_access=hs.config.allow_public_rooms_over_federation, ).register(resource) if "group_server" in servlet_groups: diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index a02833712..cca7e45dd 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -311,7 +311,7 @@ class PublicRoomListRestServlet(TransactionRestServlet): # Option to allow servers to require auth when accessing # /publicRooms via CS API. This is especially helpful in private # federations. - if self.hs.config.restrict_public_rooms_to_local_users: + if not self.hs.config.allow_public_rooms_without_auth: raise # We allow people to not be authed if they're just looking at our diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py index 2e3a765bf..fe741637f 100644 --- a/tests/rest/client/v1/test_rooms.py +++ b/tests/rest/client/v1/test_rooms.py @@ -920,7 +920,7 @@ class PublicRoomsRestrictedTestCase(unittest.HomeserverTestCase): self.url = b"/_matrix/client/r0/publicRooms" config = self.default_config() - config["restrict_public_rooms_to_local_users"] = True + config["allow_public_rooms_without_auth"] = False self.hs = self.setup_test_homeserver(config=config) return self.hs