mod_block_s2s_subscriptions/mod_block_s2s_subscriptions.lua
author Matthew Wild <mwild1@gmail.com>
Sat, 24 Sep 2022 09:26:26 +0100
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mod_cloud_notify_extensions: Add note about dependency Noting here because people might not click through to see it on the mod_cloud_notify_encrypted page.
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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