Mercurial > prosody-modules

annotate mod_s2soutinjection/mod_s2soutinjection.lua @ 4976:75b6e5df65f9

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various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents f4a9e804c457
children 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);