annotate mod_muc_moderation/mod_muc_moderation.lua @ 4113:c85af57e82e0

mod_register_apps: Add site_apps_show and site_apps_hide options (thanks meaz)
author Matthew Wild <mwild1@gmail.com>
date Sat, 12 Sep 2020 10:42:37 +0100
parents 341850e8866f
children a38e6a8a781a
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
3a96070f4a14 mod_muc_moderation: Initial commit of XEP-0425: Message Moderation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 origin.send(st.error_reply(stanza, "auth", "forbidden", "Insufficient privileges"));
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);