Allow anyone to publish NIP-46 events

This turns our relay into a public remote-sign-in relay

extras/strfry/strfry-policy.ts

@@ -2,6 +2,8 @@
 //bin/true; exec deno run --unstable-kv -A "$0" "$@"
 import {
   AntiDuplicationPolicy,
+  AnyPolicy,
+  FiltersPolicy,
   HellthreadPolicy,
   PipePolicy,
   readStdin,
@@ -22,10 +24,15 @@ const ldapConfig: LdapConfig = {
   whitelistPubkeys: Deno.env.get("WHITELIST_PUBKEYS")?.split(',')
 }
 
-const policy = new PipePolicy([
-  new HellthreadPolicy({ limit: 10 }),
-  new AntiDuplicationPolicy({ kv: await Deno.openKv(), expireIn: 60000, minLength: 50 }),
-  new LdapPolicy(ldapConfig)
+const policy = new AnyPolicy([
+  // Allow NIP-46 (kind 24133) ephemeral events from anyone
+  new FiltersPolicy([{ kinds: [24133] }]),
+  // All other events go through this pipeline
+  new PipePolicy([
+    new HellthreadPolicy({ limit: 10 }),
+    new AntiDuplicationPolicy({ kv: await Deno.openKv(), expireIn: 60000, minLength: 50 }),
+    new LdapPolicy(ldapConfig)
+  ])
 ]);
 
 await strfry(policy);