Mercurial > prosody-modules

annotate mod_srvinjection/mod_srvinjection.lua @ 4340:7cd3b7ec59e9

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mod_http_oauth2: Rudimentary support for scopes (but not really) We don't support limiting access, but this change will inform the client what permissions the created token has (e.g. is the user an admin or not). There is some work in progress on real scope support.
author Matthew Wild <mwild1@gmail.com>
date Sat, 16 Jan 2021 19:47:22 +0000
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