prosody-modules
0860497152af
mod_component_roundrobin/mod_component_roundrobin.lua

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mod_component_roundrobin/mod_component_roundrobin.lua @ 5511:0860497152af

mod_http_oauth2: Record hash of client_id to allow future verification RFC 6819 section 5.2.2.2 states that refresh tokens MUST be bound to the client. In order to do that, we must record something that can definitely tie the client to the grant. Since the full client_id is so large (why we have this client_subset function), a hash is stored instead.
author Kim Alvefur <zash@zash.se>
date Fri, 02 Jun 2023 10:14:16 +0200
parent 1343:7dbde05b48a9
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 if module:get_host_type() ~= "component" then
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10 error("Don't load mod_component manually, it should be for a component, please see http://prosody.im/doc/components", 0);
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11 end
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12
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13 local hosts = _G.hosts;
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14
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15 local t_concat = table.concat;
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16
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17 local sha1 = require "util.hashes".sha1;
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18 local st = require "util.stanza";
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19
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20 local log = module._log;
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21
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22 local sessions = module:shared("sessions");
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23
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24 local last_session;
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25 local function on_destroy(session, err)
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26 if sessions[session] then
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27 if last_session == session then last_session = nil; end
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28 sessions[session] = nil;
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29 session.on_destroy = nil;
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30 end
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31 end
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32
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33 local function handle_stanza(event)
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34 local stanza = event.stanza;
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35 if next(sessions) then
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36 stanza.attr.xmlns = nil;
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37 last_session = next(sessions, last_session) or next(sessions);
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38 last_session.send(stanza);
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39 else
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40 log("warn", "Component not connected, bouncing error for: %s", stanza:top_tag());
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41 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
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42 event.origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
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43 end
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44 end
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45 return true;
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46 end
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47
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48 module:hook("iq/bare", handle_stanza, -0.5);
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49 module:hook("message/bare", handle_stanza, -0.5);
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50 module:hook("presence/bare", handle_stanza, -0.5);
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51 module:hook("iq/full", handle_stanza, -0.5);
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52 module:hook("message/full", handle_stanza, -0.5);
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53 module:hook("presence/full", handle_stanza, -0.5);
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54 module:hook("iq/host", handle_stanza, -0.5);
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55 module:hook("message/host", handle_stanza, -0.5);
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56 module:hook("presence/host", handle_stanza, -0.5);
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57
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58 --- Handle authentication attempts by components
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59 function handle_component_auth(event)
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60 local session, stanza = event.origin, event.stanza;
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61
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62 if session.type ~= "component_unauthed" then return; end
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63 if sessions[session] then return; end
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64
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65 if (not session.host) or #stanza.tags > 0 then
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66 (session.log or log)("warn", "Invalid component handshake for host: %s", session.host);
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67 session:close("not-authorized");
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68 return true;
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69 end
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70
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71 local secret = module:get_option("component_secret");
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72 if not secret then
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73 (session.log or log)("warn", "Component attempted to identify as %s, but component_secret is not set", session.host);
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74 session:close("not-authorized");
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75 return true;
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76 end
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77
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78 local supplied_token = t_concat(stanza);
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79 local calculated_token = sha1(session.streamid..secret, true);
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80 if supplied_token:lower() ~= calculated_token:lower() then
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81 log("info", "Component authentication failed for %s", session.host);
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82 session:close{ condition = "not-authorized", text = "Given token does not match calculated token" };
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83 return true;
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84 end
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85
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86 -- Add session to sessions table
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87 sessions[session] = true;
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88 session.on_destroy = on_destroy;
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89 session.component_validate_from = module:get_option_boolean("validate_from_addresses", true);
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90 session.type = "component";
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91 log("info", "Component successfully authenticated: %s", session.host);
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92 session.send(st.stanza("handshake"));
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93
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94 return true;
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95 end
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96
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97 module:hook("stanza/jabber:component:accept:handshake", handle_component_auth, 10);