I am wondering if the filter_packet hook signature was changed, I was following this article[1] to create a simple hook in Elixir, but the code seems that doesn't work anymore.
Can anyone help me?
defmodule PacketFilter do
import Ejabberd.Logger
@behaviour :gen_mod
def start(_host, _opts) do
info('Starting ejabberd module Filter Packet Demo')
Ejabberd.Hooks.add(:filter_packet, :global, __ENV__.module, :on_filter_packet, 50)
:ok
end
def stop(_host) do
info('Stopping ejabberd module Filter Packet Demo')
Ejabberd.Hooks.delete(:filter_packet, :global, __ENV__.module, :on_filter_packet, 50)
:ok
end
def on_filter_packet({from, to, xml={:xmlel, "message", attributes, children}} = packet) do
# This hook is never called.
# What I want only packets of type `message` here.
info("on_filter_packet [1] #{inspect packet}")
packet
end
def on_filter_packet(packet) do
# Always called, without this hook, the ejabberd throws a lot of erros.
info("on_filter_packet [2] #{inspect packet}")
packet
end
end
1 - https://blog.process-one.net/ejabberd-with-elixir-packet-filters/
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