prosody
8e4033213c62
plugins/mod_user_account_management.lua

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plugins/mod_user_account_management.lua @ 12532:8e4033213c62

luacheck: Ignore new warning about using variables prefixed with '_' luacheck 0.26 considers the _ prefix as a hint that the variable or argument is unused, then warns if they are used despite this. We have several places where this prefix is used to avoid shadowing another similarly named variable, resulting in many instances of this warning.
author Kim Alvefur <zash@zash.se>
date Mon, 30 May 2022 16:49:52 +0200
parent 10382:fcdc65bc6697
child 12977:74b9e05af71e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 "util.stanza";
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11 local usermanager_set_password = require "core.usermanager".set_password;
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12 local usermanager_delete_user = require "core.usermanager".delete_user;
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13 local nodeprep = require "util.encodings".stringprep.nodeprep;
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14 local jid_bare = require "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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77
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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