Allow Configurable Rate Limiting Per AS

This adds a flag loaded from the registration file of an AS that will determine whether or not its users are rate limited (by ratelimit in _base.py). Needed for IRC bridge reasons - see https://github.com/matrix-org/matrix-appservice-irc/issues/240.
This commit is contained in:
Luke Barnard 2016-10-18 17:04:09 +01:00
parent 50ac1d843d
commit 5b54d51d1e
3 changed files with 26 additions and 1 deletions

View File

@ -81,7 +81,7 @@ class ApplicationService(object):
NS_LIST = [NS_USERS, NS_ALIASES, NS_ROOMS]
def __init__(self, token, url=None, namespaces=None, hs_token=None,
sender=None, id=None, protocols=None):
sender=None, id=None, protocols=None, rate_limited=True):
self.token = token
self.url = url
self.hs_token = hs_token
@ -95,6 +95,8 @@ class ApplicationService(object):
else:
self.protocols = set()
self.rate_limited = rate_limited
def _check_namespaces(self, namespaces):
# Sanity check that it is of the form:
# {
@ -234,5 +236,8 @@ class ApplicationService(object):
def is_exclusive_room(self, room_id):
return self._is_exclusive(ApplicationService.NS_ROOMS, room_id)
def is_rate_limited(self):
return self.rate_limited
def __str__(self):
return "ApplicationService: %s" % (self.__dict__,)

View File

@ -110,6 +110,11 @@ def _load_appservice(hostname, as_info, config_filename):
user = UserID(localpart, hostname)
user_id = user.to_string()
# Rate limiting for users of this AS is on by default (excludes sender)
rate_limited = True
if isinstance(as_info.get("rate_limited"), bool):
rate_limited = as_info.get("rate_limited")
# namespace checks
if not isinstance(as_info.get("namespaces"), dict):
raise KeyError("Requires 'namespaces' object.")
@ -155,4 +160,5 @@ def _load_appservice(hostname, as_info, config_filename):
sender=user_id,
id=as_info["id"],
protocols=protocols,
rate_limited=rate_limited
)

View File

@ -57,10 +57,24 @@ class BaseHandler(object):
time_now = self.clock.time()
user_id = requester.user.to_string()
# Disable rate limiting of users belonging to any AS that is configured
# not to be rate limited in its registration file (rate_limited: true|false).
# The AS user itself is never rate limited.
app_service = self.store.get_app_service_by_user_id(user_id)
if app_service is not None:
return # do not ratelimit app service senders
should_rate_limit = True
for service in self.store.get_app_services():
if service.is_interested_in_user(user_id):
should_rate_limit = service.is_rate_limited()
break
if not should_rate_limit:
return
allowed, time_allowed = self.ratelimiter.send_message(
user_id, time_now,
msg_rate_hz=self.hs.config.rc_messages_per_second,