mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua
author Kim Alvefur <zash@zash.se>
Sun, 03 Mar 2024 11:23:40 +0100
changeset 5857 97c9b76867ca
parent 775 70ff25db37fa
permissions -rw-r--r--
mod_log_ringbuffer: Detach event handlers on logging reload (thanks Menel) Otherwise the global event handlers accumulate, one added each time logging is reoladed, and each invocation of the signal or event triggers one dump of each created ringbuffer.
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local jid_split = require "util.jid".split;
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local jid_bare = require "util.jid".bare;
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local load_roster = require "core.rostermanager".load_roster;
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local blocked_servers = module:get_option_set("block_s2s_subscriptions")._items;
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function filter_presence(event)
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	if blocked_servers[event.origin.from_host] and event.stanza.attr.type == "subscribe" then
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		local stanza = event.stanza;
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		local to_user, to_host = jid_split(stanza.attr.to);
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		local roster = load_roster(to_user, to_host);
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		if roster and roster[jid_bare(stanza.attr.from)] then
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			return; -- In roster, pass through
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		end
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		return true; -- Drop
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	end
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end
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module:hook("presence/bare", filter_presence, 200); -- Client receiving