Add a config option to block all room invites (#2457)

- allows sysadmins the ability to lock down their servers so that people can't
send their users room invites.

1 files changed, 3 insertions, 0 deletions

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py

index 2637f41dcd..18f87cad67 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1074,6 +1074,9 @@ class FederationHandler(BaseHandler):
         if is_blocked:
             raise SynapseError(403, "This room has been blocked on this server")
 
+        if self.hs.config.block_non_admin_invites:
+            raise SynapseError(403, "This server does not accept room invites")
+
         membership = event.content.get("membership")
         if event.type != EventTypes.Member or membership != Membership.INVITE:
             raise SynapseError(400, "The event was not an m.room.member invite event")