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Split public rooms directory auth config in two

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This commit is contained in:
Brendan Abolivier 2019-06-24 11:45:11 +01:00
parent c3c6b00d95
commit bfe84e051e
6 changed files with 49 additions and 20 deletions
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1
changelog.d/5534.feature Normal file
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@ -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.

12
docs/sample_config.yaml
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@ -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.
#

44
synapse/config/server.py
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@ -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.
#

8
synapse/federation/transport/server.py
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@ -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:

2
synapse/rest/client/v1/room.py
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@ -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

2
tests/rest/client/v1/test_rooms.py
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@ -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