prosody-modules
1da4b815d2fe
mod_isolate_host/mod_isolate_host.lua

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mod_isolate_host/mod_isolate_host.lua @ 4730:1da4b815d2fe

mod_cloud_notify: Identify (and immediately push) urgent stanzas, e.g. calls This covers the following things: - A session that appears online, but has a broken TCP connection - Clients such as Siskin and Snikket iOS that require a push for calls to work It allows the stanza to be pushed immediately instead of waiting for the session to hibernate or an ack to timeout. It shouldn't break any existing cases.
author Matthew Wild <mwild1@gmail.com>
date Wed, 27 Oct 2021 19:12:03 +0100
parent 1792:8e19b943c2cd
child 5004:bc75fc9400ae
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1011
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1 local jid = require "util.jid";
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2 local jid_bare, jid_split = jid.bare, jid.split;
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3 local is_admin = require "core.usermanager".is_admin;
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4 local set = require "util.set";
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5 local st = require "util.stanza";
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6
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7 local stanza_types = set.new{"message", "presence", "iq"};
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8 local jid_types = set.new{"bare", "full", "host"};
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9
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10 local except_domains = module:get_option_inherited_set("isolate_except_domains", {});
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11 local except_users = module:get_option_inherited_set("isolate_except_users", {});
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12
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13 function check_stanza(event)
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14 local origin, stanza = event.origin, event.stanza;
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15 if origin.no_host_isolation then return; end
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16 local to_user, to_host = jid_split(event.stanza.attr.to);
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17 if to_host and to_host ~= origin.host and not except_domains:contains(to_host) then
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18 if to_host:match("^[^.]+%.(.+)$") == origin.host then -- Permit subdomains
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19 except_domains:add(to_host);
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20 return;
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21 end
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22 module:log("warn", "Forbidding stanza from %s to %s", stanza.attr.from or origin.full_jid, stanza.attr.to);
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23 origin.send(st.error_reply(stanza, "auth", "forbidden", "Communication with "..to_host.." is not available"));
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24 return true;
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25 end
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26 end
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27
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28 for stanza_type in stanza_types do
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29 for jid_type in jid_types do
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30 module:hook("pre-"..stanza_type.."/"..jid_type, check_stanza, 1);
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31 end
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32 end
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33
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34 function check_user_isolated(event)
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35 local session = event.session;
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36 local bare_jid = jid_bare(session.full_jid);
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37 if is_admin(bare_jid, module.host) or except_users:contains(bare_jid) then
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38 session.no_host_isolation = true;
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39 end
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40 module:log("debug", "%s is %sisolated", session.full_jid or "[?]", session.no_host_isolation and "" or "not ");
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41 end
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42
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43 module:hook("resource-bind", check_user_isolated);