annotate mod_muc_moderation/mod_muc_moderation.lua @ 4499:8e644bf36627

mod_rest: Change OOB namespace to the one used in messages Because of it's current popularity as companion to HTTP Upload this is probably more useful than the iq one.
author Kim Alvefur <zash@zash.se>
date Sun, 07 Mar 2021 01:26:20 +0100
parents a38e6a8a781a
children 3a7953a5ee5b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3900
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
1 -- mod_muc_moderation
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
2 --
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
3 -- Copyright (C) 2015-2020 Kim Alvefur
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
4 --
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
5 -- This file is MIT licensed.
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
6 --
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
7 -- Implements: XEP-0425: Message Moderation
06971a04216f mod_muc_moderation: Add a copyright header
Kim Alvefur <zash@zash.se>
parents: 3897
diff changeset
8 --
3897
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 -- Imports
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local dt = require "util.datetime";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local id = require "util.id";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local jid = require "util.jid";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local st = require "util.stanza";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 -- Plugin dependencies
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 local mod_muc = module:depends "muc";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 local muc_util = module:require "muc/util";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 local valid_roles = muc_util.valid_roles;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 local muc_log_archive = module:open_store("muc_log", "archive");
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 if not muc_log_archive.set then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 module:log("warn", "Selected archive storage module does not support message replacement, no tombstones will be saved");
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 -- Namespaces
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 local xmlns_fasten = "urn:xmpp:fasten:0";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 local xmlns_moderate = "urn:xmpp:message-moderate:0";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 local xmlns_retract = "urn:xmpp:message-retract:0";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 -- Discovering support
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 module:hook("muc-disco#info", function (event)
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 event.reply:tag("feature", { var = xmlns_moderate }):up();
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 end);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 -- Main handling
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 module:hook("iq-set/bare/" .. xmlns_fasten .. ":apply-to", function (event)
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 local stanza, origin = event.stanza, event.origin;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 -- Collect info we need
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 local apply_to = stanza.tags[1];
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 local moderate_tag = apply_to:get_child("moderate", xmlns_moderate);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 if not moderate_tag then return end -- some other kind of fastening?
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 local reason = moderate_tag:get_child_text("reason");
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 local room_jid = stanza.attr.to;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 local room_node = jid.split(room_jid);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 local room = mod_muc.get_room_from_jid(room_jid);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 local stanza_id = apply_to.attr.id;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 -- Permissions
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 local actor = stanza.attr.from;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 local actor_nick = room:get_occupant_jid(actor);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 local affiliation = room:get_affiliation(actor);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 local role = room:get_role(actor_nick) or room:get_default_role(affiliation);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 if valid_roles[role or "none"] < valid_roles.moderator then
4177
a38e6a8a781a mod_muc_moderation: Improve error message to be more helpful
Kim Alvefur <zash@zash.se>
parents: 3902
diff changeset
60 origin.send(st.error_reply(stanza, "auth", "forbidden", "You need a role of at least 'moderator'"));
3897
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 return true;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 -- Original stanza to base tombstone on
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 local original, err;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 if muc_log_archive.get then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 original, err = muc_log_archive:get(room_node, stanza_id);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 else
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 -- COMPAT missing :get API
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 err = "item-not-found";
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 for i, item in muc_log_archive:find(room_node, { key = stanza_id, limit = 1 }) do
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 if i == stanza_id then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 original, err = item, nil;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 if not original then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 if err == "item-not-found" then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 origin.send(st.error_reply(stanza, "modify", "item-not-found"));
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 else
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 return true;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 -- Replacements
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 local tombstone = st.message({ from = original.attr.from, type = "groupchat", id = original.attr.id })
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 :tag("moderated", { xmlns = xmlns_moderate, by = actor_nick })
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 :tag("retracted", { xmlns = xmlns_retract, stamp = dt.datetime() }):up();
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 local announcement = st.message({ from = room_jid, type = "groupchat", id = id.medium(), })
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 :tag("apply-to", { xmlns = xmlns_fasten, id = stanza_id })
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 :tag("moderated", { xmlns = xmlns_moderate, by = actor_nick })
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 :tag("retract", { xmlns = xmlns_retract }):up();
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 if reason then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97 tombstone:text_tag("reason", reason);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98 announcement:text_tag("reason", reason);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
101 if muc_log_archive.set then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 -- Tombstone
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103 local was_replaced = muc_log_archive:set(room_node, stanza_id, tombstone);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 if not was_replaced then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 origin.send(st.error_reply(stanza, "wait", "internal-server-error"));
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 return true;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
108 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
109
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
110 -- Done, tell people about it
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
111 module:log("info", "Message with id '%s' in room %s moderated by %s, reason: %s", stanza_id, room_jid, actor, reason);
3902
341850e8866f mod_muc_moderation: Broadcast retraction via method that saves it
Kim Alvefur <zash@zash.se>
parents: 3901
diff changeset
112 room:broadcast_message(announcement);
3897
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
113
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
114 origin.send(st.reply(stanza));
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
115 return true;
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
116 end);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 module:hook("muc-message-is-historic", function (event)
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 -- Ensure moderation messages are stored
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 if event.stanza.attr.from == event.room.jid then
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 return event.stanza:get_child("apply-to", xmlns_fasten);
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 end
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 end, 1);