Mercurial > prosody-modules

annotate mod_s2s_keepalive/mod_s2s_keepalive.lua @ 5406:b86d80e21c60

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mod_http_oauth2: Validate consistency of response and grant types Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even though we currently only check the response type during authorization. This could probably all be deleted if (when!) we remove the implicit grant, since then these things don't make any sense anymore.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:34:31 +0200
parents 0e60ce83205c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local st = require "util.stanza";
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2 local watchdog = require "util.watchdog";
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3 local dt = require "util.datetime";
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5 local keepalive_servers = module:get_option_set("keepalive_servers");
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6 local keepalive_interval = module:get_option_number("keepalive_interval", 60);
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7 local keepalive_timeout = module:get_option_number("keepalive_timeout", 593);
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8
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9 local host = module.host;
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10 local s2sout = prosody.hosts[host].s2sout;
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12 local function send_pings()
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13 local ping_hosts = {};
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14
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15 for remote_domain, session in pairs(s2sout) do
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16 if session.type ~= "s2sout_unauthed"
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17 and (not(keepalive_servers) or keepalive_servers:contains(remote_domain)) then
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18 session.sends2s(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive:"..dt.datetime()})
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19 :tag("ping", { xmlns = "urn:xmpp:ping" })
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20 );
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21 end
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22 end
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24 for session in pairs(prosody.incoming_s2s) do
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25 if session.type ~= "s2sin_unauthed"
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26 and not session.notopen
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27 and session.to_host == host
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28 and (not(keepalive_servers) or keepalive_servers:contains(session.from_host)) then
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29 if not s2sout[session.from_host] then ping_hosts[session.from_host] = true; end
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30 session.sends2s " ";
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31 -- If the connection is dead, this should make it time out.
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32 end
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33 end
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34
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35 -- ping remotes we only have s2sin from
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36 for remote_domain in pairs(ping_hosts) do
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37 module:send(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive:"..dt.datetime() })
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38 :tag("ping", { xmlns = "urn:xmpp:ping" })
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39 );
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40 end
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41
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42 return keepalive_interval;
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43 end
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44
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45 module:hook("s2sin-established", function (event)
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46 local session = event.session;
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47 if session.watchdog_keepalive then return end -- in case mod_bidi fires this twice
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48 if keepalive_servers and not keepalive_servers:contains(session.from_host) then return end
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49 session.watchdog_keepalive = watchdog.new(keepalive_timeout, function ()
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50 session.log("info", "Keepalive ping timed out, closing connection");
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51 session:close("connection-timeout");
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52 end);
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53 end);
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54
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55 module:hook("s2sout-established", function (event)
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56 local session = event.session;
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57 if session.watchdog_keepalive then return end -- in case mod_bidi fires this twice
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58 if keepalive_servers and not keepalive_servers:contains(session.from_host) then return end
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59 session.watchdog_keepalive = watchdog.new(keepalive_timeout, function ()
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60 session.log("info", "Keepalive ping timed out, closing connection");
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61 session:close("connection-timeout");
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62 end);
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63 end);
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64
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65 module:hook("iq/host", function (event)
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66 local stanza = event.stanza;
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67 if stanza.attr.type ~= "result" and stanza.attr.type ~= "error" then
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68 return -- not a reply iq stanza
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69 end
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70 if not (stanza.attr.id and stanza.attr.id:sub(1, #"keepalive:") == "keepalive:") then
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71 return -- not a reply to this module
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72 end
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73 if stanza.attr.type == "error" then
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74 local err = stanza:get_child("error");
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75 local err_by = err and err.attr.by;
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76 if err_by and prosody.hosts[err_by] then
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77 return -- error produced by the local host
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78 end
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79 end
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80
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81 local origin = event.origin;
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82 if origin.dummy then return end -- Probably a sendq bounce
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83 if origin.watchdog_keepalive then
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84 origin.log("debug", "Resetting keepalive watchdog")
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85 origin.watchdog_keepalive:reset();
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86 end
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87 if s2sout[origin.from_host] and s2sout[origin.from_host].watchdog_keepalive then
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88 s2sout[origin.from_host].watchdog_keepalive:reset();
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89 end
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90 return true;
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91 end);
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92
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93 module:add_timer(keepalive_interval, send_pings);