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limit register and sign in on number of monthly users

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This commit is contained in:
Neil Johnson 2018-07-30 15:55:57 +01:00
parent e9b2d047f6
commit 251e6c1210
7 changed files with 166 additions and 3 deletions
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13
synapse/handlers/auth.py
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@ -519,6 +519,7 @@ class AuthHandler(BaseHandler):
"""
logger.info("Logging in user %s on device %s", user_id, device_id)
access_token = yield self.issue_access_token(user_id, device_id)
self._check_mau_limits()
# the device *should* have been registered before we got here; however,
# it's possible we raced against a DELETE operation. The thing we
@ -729,6 +730,7 @@ class AuthHandler(BaseHandler):
defer.returnValue(access_token)
def validate_short_term_login_token_and_get_user_id(self, login_token):
self._check_mau_limits()
auth_api = self.hs.get_auth()
try:
macaroon = pymacaroons.Macaroon.deserialize(login_token)
@ -892,6 +894,17 @@ class AuthHandler(BaseHandler):
else:
return defer.succeed(False)
def _check_mau_limits(self):
"""
Ensure that if mau blocking is enabled that invalid users cannot
log in.
"""
if self.hs.config.limit_usage_by_mau is True:
current_mau = self.store.count_monthly_users()
if current_mau >= self.hs.config.max_mau_value:
raise AuthError(
403, "MAU Limit Exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED
)
@attr.s
class MacaroonGenerator(object):