prosody
06453c564141
plugins/mod_user_account_management.lua

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plugins/mod_user_account_management.lua @ 13014:06453c564141

util.startup: Add prosody.started promise to easily execute code after startup To avoid a race where server-started fires before the promise function body is run (on next tick), I moved server-started to fire on the next tick, which seems sensible anyway. Errors are logged, I'm not sure if we ought to be doing something more here. I'm sure we'll find out.
author Matthew Wild <mwild1@gmail.com>
date Sat, 01 Apr 2023 11:56:38 +0100
parent 12977:74b9e05af71e
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rev   line source
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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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b1885732e979 GPL->MIT!
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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
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10 local st = require "prosody.util.stanza";
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11 local usermanager_set_password = require "prosody.core.usermanager".set_password;
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12 local usermanager_delete_user = require "prosody.core.usermanager".delete_user;
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13 local nodeprep = require "prosody.util.encodings".stringprep.nodeprep;
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14 local jid_bare = require "prosody.util.jid".bare;
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15
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16 local compat = module:get_option_boolean("registration_compat", true);
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17
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18 module:add_feature("jabber:iq:register");
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19
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20 -- Password change and account deletion handler
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21 local function handle_registration_stanza(event)
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22 local session, stanza = event.origin, event.stanza;
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23 local log = session.log or module._log;
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24
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25 local query = stanza.tags[1];
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26 if stanza.attr.type == "get" then
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27 local reply = st.reply(stanza);
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28 reply:tag("query", {xmlns = "jabber:iq:register"})
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29 :tag("registered"):up()
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30 :tag("username"):text(session.username):up()
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31 :tag("password"):up();
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32 session.send(reply);
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33 else -- stanza.attr.type == "set"
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34 if query.tags[1] and query.tags[1].name == "remove" then
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35 local username, host = session.username, session.host;
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36
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37 -- This one weird trick sends a reply to this stanza before the user is deleted
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38 local old_session_close = session.close;
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39 session.close = function(self, ...)
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40 self.send(st.reply(stanza));
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41 return old_session_close(self, ...);
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42 end
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43
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44 local ok, err = usermanager_delete_user(username, host);
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45
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46 if not ok then
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47 log("debug", "Removing user account %s@%s failed: %s", username, host, err);
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48 session.close = old_session_close;
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49 session.send(st.error_reply(stanza, "cancel", "service-unavailable", err));
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50 return true;
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51 end
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52
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53 log("info", "User removed their account: %s@%s", username, host);
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54 module:fire_event("user-deregistered", { username = username, host = host, source = "mod_register", session = session });
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55 else
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56 local username = query:get_child_text("username");
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57 local password = query:get_child_text("password");
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58 if username and password then
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59 username = nodeprep(username);
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60 if username == session.username then
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61 if usermanager_set_password(username, password, session.host, session.resource) then
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62 session.send(st.reply(stanza));
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63 else
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64 -- TODO unable to write file, file may be locked, etc, what's the correct error?
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65 session.send(st.error_reply(stanza, "wait", "internal-server-error"));
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66 end
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67 else
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68 session.send(st.error_reply(stanza, "modify", "bad-request"));
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69 end
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70 else
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71 session.send(st.error_reply(stanza, "modify", "bad-request"));
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72 end
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73 end
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74 end
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75 return true;
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76 end
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78 module:hook("iq/self/jabber:iq:register:query", handle_registration_stanza);
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79 if compat then
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80 module:hook("iq/host/jabber:iq:register:query", function (event)
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81 local session, stanza = event.origin, event.stanza;
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82 if session.type == "c2s" and jid_bare(stanza.attr.to) == session.host then
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83 return handle_registration_stanza(event);
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84 end
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85 end);
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86 end
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87