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annotate mod_s2s_keepalive/mod_s2s_keepalive.lua @ 3503:882180b459a0

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mod_pubsub_post: Restructure authentication and authorization (BC) This deprecates the default "superuser" actor model and makes the default equivalent to the previous "request.id". A single actor and secret per node is supported because HTTP and WebHooks don't normally include any authorization identity. Allowing authentication bypass when no secret is given should be relatively safe when the actor is unprivileged, as will be unless explicitly configured otherwise.
author Kim Alvefur <zash@zash.se>
date Sat, 30 Mar 2019 21:16:13 +0100
parents 2db2c03dfb95
children 427879b46061
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1 local st = require "util.stanza";
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2
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3 local keepalive_servers = module:get_option_set("keepalive_servers");
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4 local keepalive_interval = module:get_option_number("keepalive_interval", 60);
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5
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6 local host = module.host;
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7
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8 local function send_pings()
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9 for remote_domain, session in pairs(hosts[host].s2sout) do
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10 if session.type == "s2sout" -- as opposed to _unauthed
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11 and (not(keepalive_servers) or keepalive_servers:contains(remote_domain)) then
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12 session.sends2s(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive" })
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13 :tag("ping", { xmlns = "urn:xmpp:ping" })
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14 );
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15 -- Note: We don't actually check if this comes back.
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16 end
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17 end
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19 for session in pairs(prosody.incoming_s2s) do
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20 if session.type == "s2sin" -- as opposed to _unauthed
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21 and (not(keepalive_servers) or keepalive_servers:contains(session.from_host)) then
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22 session.sends2s " ";
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23 -- If the connection is dead, this should make it time out.
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24 end
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25 end
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26 return keepalive_interval;
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27 end
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28
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29 if module.add_timer then -- 0.9
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30 module:add_timer(keepalive_interval, send_pings);
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31 else -- 0.8
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32 local timer = require "util.timer";
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33 local unloaded;
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34 timer.add_task(keepalive_interval, function()
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35 if not unloaded then
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36 return send_pings()
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37 end
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38 end);
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39 function module.unload()
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40 unloaded = true
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41 end
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42 end