Merge pull request #2357 from Pouriya-Jahanbakhsh/component-send-packet-hook

feat: add hook for sending packet from component

src/ejabberd_service.erl

@@ -191,8 +191,14 @@ handle_authenticated_packet(Pkt0, #{ip := {IP, _}, lang := Lang} = State)
     From = xmpp:get_from(Pkt),
     case check_from(From, State) of
 	true ->
-	    ejabberd_router:route(Pkt),
-	    State;
+        {Pkt2, State2} = ejabberd_hooks:run_fold(component_send_packet, {Pkt, State}, []),
+        case Pkt2 of
+            drop ->
+                ok;
+            _ ->
+                ejabberd_router:route(Pkt2)
+		end,
+        State2;
 	false ->
 	    Txt = <<"Improper domain part of 'from' attribute">>,
 	    Err = xmpp:serr_invalid_from(Txt, Lang),