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annotate mod_s2soutinjection/mod_s2soutinjection.lua @ 3965:2b10e51d85a6

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mod_muc_limits: Add config option to limit to join stanzas only This is a bit more limited in pre-0.11 MUC modules, because it just detects stanzas sent to full JIDs (which would include all presence and nick changes). This option is useful for setups where users are typically unaffiliated, but trusted (e.g. if access to the room is gated through some other means such as password/token auth).
author Matthew Wild <mwild1@gmail.com>
date Fri, 03 Apr 2020 12:26:56 +0100
parents 4057f176be7b
children 864fefec1c07
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1 local st = require"util.stanza";
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2 local new_ip = require"util.ip".new_ip;
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3 local new_outgoing = require"core.s2smanager".new_outgoing;
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4 local bounce_sendq = module:depends"s2s".route_to_new_session.bounce_sendq;
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5 local s2sout = module:depends"s2s".route_to_new_session.s2sout;
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7 local injected = module:get_option("s2s_connect_overrides");
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9 local function isip(addr)
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10 return not not (addr and addr:match("^%d+%.%d+%.%d+%.%d+$") or addr:match("^[%x:]*:[%x:]-:[%x:]*$"));
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11 end
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13 module:hook("route/remote", function(event)
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14 local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
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15 local inject = injected and injected[to_host];
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16 if not inject then return end
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17 log("debug", "opening a new outgoing connection for this stanza");
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18 local host_session = new_outgoing(from_host, to_host);
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20 -- Store in buffer
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21 host_session.bounce_sendq = bounce_sendq;
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22 host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} };
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23 log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name));
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25 local ip_hosts, srv_hosts = {}, {};
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26 host_session.srv_hosts = srv_hosts;
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27 host_session.srv_choice = 0;
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29 if type(inject) == "string" then inject = { inject } end
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31 for _, item in ipairs(inject) do
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32 local host, port = item[1] or item, tonumber(item[2]) or 5269;
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33 if isip(host) then
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34 ip_hosts[#ip_hosts+1] = { ip = new_ip(host), port = port }
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35 else
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36 srv_hosts[#srv_hosts+1] = { target = host, port = port }
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37 end
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38 end
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39 if #ip_hosts > 0 then
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40 host_session.ip_hosts = ip_hosts;
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41 host_session.ip_choice = 0; -- Incremented by try_next_ip
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42 s2sout.try_next_ip(host_session);
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43 return true;
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44 end
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46 return s2sout.try_connect(host_session, host_session.srv_hosts[1].target, host_session.srv_hosts[1].port);
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47 end, -2);
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48