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annotate mod_component_roundrobin/mod_component_roundrobin.lua @ 5451:6705f2a09702

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mod_http_oauth2: Reference grant by id instead of value Fixes that the grant got mutated on use of refresh token, notably it would gain 'id' and 'jid' properties set there by mod_tokenauth. Previously also the secret token that we should not be remembering.
author Kim Alvefur <zash@zash.se>
date Fri, 12 May 2023 11:11:38 +0200
parents 7dbde05b48a9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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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);