prosody-modules
b45d9a81b3da
mod_s2s_keepalive/mod_s2s_keepalive.lua

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mod_s2s_keepalive/mod_s2s_keepalive.lua @ 5424:b45d9a81b3da

mod_http_oauth2: Revert role selector, going to try something else Back out f2c7bb3af600 Allowing only a single role to be encoded into the grant takes away the possibility of having multiple roles in the grant, one of which is selected when issuing an access token. It also takes away the ability to have zero roles granted, which could be useful e.g. when you only need OIDC scopes.
author Kim Alvefur <zash@zash.se>
date Sun, 07 May 2023 19:40:57 +0200
parent 4629:0e60ce83205c
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);