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comparison mod_muc_archive/mod_muc_archive.lua @ 3957:7e96b95924bd

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mod_muc_archive: Add fork of mod_muc_log that uses newer storage API
author JC Brand <jc@opkode.com>
date Fri, 27 Mar 2020 15:51:57 +0100
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3956:ebc1f1d962c5 3957:7e96b95924bd
1 -- The MIT License (MIT)
2 --
3 -- Copyright (C) 2009 Thilo Cestonaro
4 -- Copyright (C) 2009 Waqas Hussain
5 -- Copyright (C) 2009-2013 Matthew Wild
6 -- Copyright (C) 2013 Kim Alvefur
7 -- Copyright (C) 2013 Marco Cirillo
8 -- Copyright (c) 2020 JC Brand
9 --
10 -- Permission is hereby granted, free of charge, to any person obtaining a copy of
11 -- this software and associated documentation files (the "Software"), to deal in
12 -- the Software without restriction, including without limitation the rights to
13 -- use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
14 -- the Software, and to permit persons to whom the Software is furnished to do so,
15 -- subject to the following conditions:
16 --
17 -- The above copyright notice and this permission notice shall be included in all
18 -- copies or substantial portions of the Software.
19 --
20 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
22 -- FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
23 -- COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 -- IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 -- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 --
27 local hosts = prosody.hosts;
28 local tostring = tostring;
29 local st = require "util.stanza";
30 local split_jid = require "util.jid".split;
31 local jid_bare = require "util.jid".bare;
32 local time_now = os.time;
33
34 local muc_form_config_option = "muc#roomconfig_enablelogging"
35
36 local log_all_rooms = module:get_option_boolean("muc_log_all_rooms", false);
37 local log_by_default = module:get_option_boolean("muc_log_by_default", false);
38 local log_presences = module:get_option_boolean("muc_log_presences", true);
39
40 local archive_store = "muc_logging_archive";
41 local archive = module:open_store(archive_store, "archive");
42
43 local xmlns_muc_user = "http://jabber.org/protocol/muc#user";
44
45 if archive.name == "null" or not archive.find then
46 if not archive.find then
47 module:log("error", "Attempt to open archive storage returned a driver without archive API support");
48 module:log("error", "mod_%s does not support archiving",
49 archive._provided_by or archive.name and "storage_"..archive.name.."(?)" or "<unknown>");
50 else
51 module:log("error", "Attempt to open archive storage returned null driver");
52 end
53 module:log("info", "See https://prosody.im/doc/storage and https://prosody.im/doc/archiving for more information");
54 return false;
55 end
56
57
58 -- Module Definitions
59
60 local function get_room_from_jid(jid)
61 local node, host = split_jid(jid);
62 local component = hosts[host];
63 if component then
64 local muc = component.modules.muc
65 if muc and rawget(muc,"rooms") then
66 -- We're running 0.9.x or 0.10 (old MUC API)
67 return muc.rooms[jid];
68 elseif muc and rawget(muc,"get_room_from_jid") then
69 -- We're running >0.10 (new MUC API)
70 return muc.get_room_from_jid(jid);
71 else
72 return
73 end
74 end
75 end
76
77 local function logging_enabled(room)
78 if log_all_rooms then
79 return true;
80 end
81 if room._data.hidden then -- do not log data of private rooms
82 return false;
83 end
84 local enabled = room._data.logging;
85 if enabled == nil then
86 return log_by_default;
87 end
88 return enabled;
89 end
90
91
92 local function log_if_needed(event)
93 local stanza = event.stanza;
94
95 if (stanza.name == "presence") or
96 (stanza.name == "iq") or
97 (stanza.name == "message" and tostring(stanza.attr.type) == "groupchat")
98 then
99 local node, host = split_jid(stanza.attr.to);
100 if node and host then
101 local room = get_room_from_jid(node.."@"..host)
102 if not room then return end
103 -- Policy check
104 if not logging_enabled(room) then return end
105
106 local muc_to = nil
107 local muc_from = nil;
108
109 if stanza.name == "presence" and stanza.attr.type == nil then
110 muc_from = stanza.attr.to;
111 elseif stanza.name == "iq" and stanza.attr.type == "set" then
112 -- kick, to is the room, from is the admin, nick who is kicked is attr of iq->query->item
113 if stanza.tags[1] and stanza.tags[1].name == "query" then
114 local tmp = stanza.tags[1];
115 if tmp.tags[1] ~= nil and tmp.tags[1].name == "item" and tmp.tags[1].attr.nick then
116 tmp = tmp.tags[1];
117 for jid, nick in pairs(room._jid_nick) do
118 if nick == stanza.attr.to .. "/" .. tmp.attr.nick then
119 muc_to = nick;
120 break;
121 end
122 end
123 end
124 end
125 else
126 for jid, nick in pairs(room._jid_nick) do
127 if jid == stanza.attr.from then
128 muc_from = nick;
129 break;
130 end
131 end
132 end
133
134 if (muc_from or muc_to) then
135 local stored_stanza = st.clone(stanza);
136 stored_stanza.attr.from = muc_from;
137 stored_stanza.attr.to = muc_to;
138
139 if stanza.name == "message" then
140 local actor = jid_bare(room._occupants[muc_from].jid);
141 local affiliation = room:get_affiliation(actor) or "none";
142 local role = room:get_role(actor) or room:get_default_role(affiliation);
143 stored_stanza:add_direct_child(st.stanza("x", { xmlns = xmlns_muc_user })
144 :tag("item", { affiliation = affiliation; role = role; jid = actor }));
145 end
146
147 local with = stanza.name
148 if stanza.attr.type then
149 with = with .. "<" .. stanza.attr.type
150 end
151 archive:append(node, nil, stored_stanza, time_now(), with);
152 end
153 end
154 end
155 end
156
157 if not log_all_rooms then
158 module:hook("muc-config-form", function(event)
159 local room, form = event.room, event.form;
160 table.insert(form,
161 {
162 name = muc_form_config_option,
163 type = "boolean",
164 label = "Enable Logging?",
165 value = logging_enabled(room),
166 }
167 );
168 end);
169
170 module:hook("muc-config-submitted", function(event)
171 local room, fields, changed = event.room, event.fields, event.changed;
172 local new = fields[muc_form_config_option];
173 if new ~= room._data.logging then
174 room._data.logging = new;
175 if type(changed) == "table" then
176 changed[muc_form_config_option] = true;
177 else
178 event.changed = true;
179 end
180 end
181 end);
182 end
183
184 module:hook("message/bare", log_if_needed, 1);
185
186 if log_presences then
187 module:hook("iq/bare", log_if_needed, 1);
188 module:hook("presence/full", log_if_needed, 1);
189 end
190
191 module:log("debug", "module mod_muc_archive loaded!");