Mercurial > prosody-modules

annotate mod_srvinjection/mod_srvinjection.lua @ 6167:886c985ece61

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mod_lastlog2: Skip initializing internal API (and storage) in prosodyctl Initializing storage in the global context under prosodyctl causes the module.command to fail to execute because the storage module has already been loaded. Introduced in 7b722955c59b
author Kim Alvefur <zash@zash.se>
date Sat, 08 Feb 2025 14:12:18 +0100
parents 47fb4f36dacd
children
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2 module:set_global();
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4 local adns = require "net.adns";
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6 local map_config = module:get_option("srvinjection") or {};
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7 local map = module:shared "s2s_map"
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9 for host, mapping in pairs(map_config) do
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10 if type(mapping) == "table" and type(mapping[1]) == "string" and (type(mapping[2]) == "number") then
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11 local connecthost, connectport = mapping[1], mapping[2] or 5269;
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12 map[host] = {{
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13 srv = {
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14 target = connecthost..".";
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15 port = connectport;
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16 priority = 1;
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17 weight = 0;
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18 };
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19 }};
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20 else
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21 module:log("warn", "Ignoring invalid SRV injection for host '%s'", host);
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22 map[host] = nil;
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23 end
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24 end
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26 local original_lookup = adns.lookup;
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27 function adns.lookup(handler, qname, qtype, qclass)
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28 if qtype == "SRV" then
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29 local host = qname:match("^_xmpp%-server%._tcp%.(.*)%.$");
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30 local mapping = map[host] or map["*"];
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31 if mapping then
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32 handler(mapping);
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33 return;
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34 end
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35 elseif qtype == "A" then
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36 if (qname == "localhost." or qname == "127.0.0.1.") then
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37 handler({{ a = "127.0.0.1" }});
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38 return;
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39 end
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40 local ip = qname:match("^(%d+.%d+.%d+.%d+).$");
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41 if ip then
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42 handler({{ a = ip }});
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43 return;
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44 end
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45 end
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46 return original_lookup(handler, qname, qtype, qclass);
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47 end
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49 function module.unload()
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50 adns.lookup = original_lookup;
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51 end