prosody-modules
a85efae90e21
mod_s2soutinjection/mod_s2soutinjection.lua

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mod_s2soutinjection/mod_s2soutinjection.lua @ 4935:a85efae90e21

mod_rest: Expand mapping of XEP-0045 join stanza The previous 'join' mapping was apparently lost in translation when swithing to datamapper, so might as well map some properties allowing history control. Usually you probably want either zero history or history since the last known time of being joined. Maybe that the former should be the default?
author Kim Alvefur <zash@zash.se>
date Sat, 30 Apr 2022 01:00:01 +0200
parent 4931:f4a9e804c457
child 5100:e55d1f7a570a
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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 initialize_filters = require "util.filters".initialize;
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6 local st = require "util.stanza";
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8 local portmanager = require "core.portmanager";
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10 local addclient = require "net.server".addclient;
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12 module:depends("s2s");
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14 local sessions = module:shared("sessions");
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16 local injected = module:get_option("s2s_connect_overrides");
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17
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18 -- The proxy_listener handles connection while still connecting to the proxy,
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19 -- then it hands them over to the normal listener (in mod_s2s)
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20 local proxy_listener = { default_port = port, default_mode = "*a", default_interface = "*" };
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22 function proxy_listener.onconnect(conn)
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23 local session = sessions[conn];
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25 -- Now the real s2s listener can take over the connection.
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26 local listener = portmanager.get_service("s2s").listener;
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28 local w, log = conn.send, session.log;
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30 local filter = initialize_filters(session);
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32 session.version = 1;
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34 session.sends2s = function (t)
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35 log("debug", "sending (s2s over proxy): %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?"));
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36 if t.name then
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37 t = filter("stanzas/out", t);
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38 end
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39 if t then
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40 t = filter("bytes/out", tostring(t));
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41 if t then
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42 return conn:write(tostring(t));
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43 end
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44 end
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45 end
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47 session.open_stream = function ()
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48 session.sends2s(st.stanza("stream:stream", {
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49 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback',
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50 ["xmlns:stream"]='http://etherx.jabber.org/streams',
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51 from=session.from_host, to=session.to_host, version='1.0', ["xml:lang"]='en'}):top_tag());
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52 end
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54 conn.setlistener(conn, listener);
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56 listener.register_outgoing(conn, session);
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58 listener.onconnect(conn);
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59 end
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61 function proxy_listener.register_outgoing(conn, session)
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62 session.direction = "outgoing";
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63 sessions[conn] = session;
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64 end
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65
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66 function proxy_listener.ondisconnect(conn, err)
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67 sessions[conn] = nil;
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68 end
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70 module:hook("route/remote", function(event)
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71 local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
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72 local inject = injected and injected[to_host];
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73 if not inject then return end
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74 log("debug", "opening a new outgoing connection for this stanza");
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75 local host_session = new_outgoing(from_host, to_host);
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76
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77 -- Store in buffer
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78 host_session.bounce_sendq = bounce_sendq;
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79 host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} };
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80 log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name));
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81
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82 local host, port = inject[1] or inject, tonumber(inject[2]) or 5269;
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83
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84 local conn = addclient(host, port, proxy_listener, "*a");
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86 proxy_listener.register_outgoing(conn, host_session);
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87
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88 host_session.conn = conn;
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89 return true;
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90 end, -2);