author | Matthew Wild <mwild1@gmail.com> |
Tue, 12 Mar 2024 14:07:00 +0000 | |
changeset 5868 | b5a110544fd4 |
parent 4316 | 33a41503b9e3 |
permissions | -rw-r--r-- |
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module:depends("muc"); |
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local jid_resource = require "util.jid".resource; |
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local st = require "util.stanza"; |
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local prefixes = module:get_option_set("muc_inject_mentions_prefixes", {}) |
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local suffixes = module:get_option_set("muc_inject_mentions_suffixes", {}) |
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local enabled_rooms = module:get_option("muc_inject_mentions_enabled_rooms", nil) |
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local disabled_rooms = module:get_option("muc_inject_mentions_disabled_rooms", nil) |
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local mention_delimiters = module:get_option_set("muc_inject_mentions_mention_delimiters", {" ", "", "\n", "\t"}) |
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local append_mentions = module:get_option("muc_inject_mentions_append_mentions", false) |
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local strip_out_prefixes = module:get_option("muc_inject_mentions_strip_out_prefixes", false) |
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local reserved_nicks = module:get_option("muc_inject_mentions_reserved_nicks", false) |
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local use_bare_jid = module:get_option("muc_inject_mentions_use_bare_jid", true) |
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local prefix_mandatory = module:get_option("muc_inject_mentions_prefix_mandatory", false) |
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local reserved_nicknames = {} |
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local reference_xmlns = "urn:xmpp:reference:0" |
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|
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local function update_reserved_nicknames(event) |
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local room, data, jid = event.room.jid, event.data, event.jid |
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load_room_reserved_nicknames(event.room) |
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local nickname = (data or {})["reserved_nickname"] |
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|
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if nickname then |
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reserved_nicknames[room][nickname] = jid |
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else |
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local nickname_to_remove |
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for _nickname, _jid in pairs(reserved_nicknames[room]) do |
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if _jid == jid then |
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nickname_to_remove = _nickname |
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break |
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end |
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end |
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if nickname_to_remove then |
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reserved_nicknames[room][nickname_to_remove] = nil |
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end |
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end |
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end |
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|
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function load_room_reserved_nicknames(room) |
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if not reserved_nicknames[room.jid] then |
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reserved_nicknames[room.jid] = {} |
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for jid, data in pairs(room._affiliations_data or {}) do |
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local reserved_nickname = data["reserved_nickname"] |
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if reserved_nicknames then |
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reserved_nicknames[room.jid][reserved_nickname] = jid |
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end |
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end |
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end |
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end |
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|
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local function get_jid(room, nickname) |
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local bare_jid = reserved_nicknames[room.jid][nickname] |
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if bare_jid and use_bare_jid then |
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return bare_jid |
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end |
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|
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if bare_jid and not use_bare_jid then |
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return room.jid .. "/" .. nickname |
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end |
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end |
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|
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local function get_participants(room) |
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if not reserved_nicks then |
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local occupants = room._occupants |
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local key, occupant = next(occupants) |
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return function () |
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while occupant do -- luacheck: ignore |
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local nick = jid_resource(occupant.nick); |
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local bare_jid = occupant.bare_jid |
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key, occupant = next(occupants, key) |
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return bare_jid, nick |
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74 |
end |
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75 |
end |
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else |
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local generator = room:each_affiliation() |
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local jid, _, affiliation_data = generator(nil, nil) |
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return function () |
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80 |
while jid do |
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local bare_jid, nick = jid, (affiliation_data or {})["reserved_nickname"] |
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jid, _, affiliation_data = generator(nil, bare_jid) |
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if nick then |
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84 |
return bare_jid, nick |
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85 |
end |
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86 |
end |
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87 |
end |
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88 |
end |
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89 |
end |
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|
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91 |
local function add_mention(mentions, bare_jid, first, last, prefix_indices, has_prefix) |
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92 |
if strip_out_prefixes then |
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if has_prefix then |
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94 |
table.insert(prefix_indices, first-1) |
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95 |
end |
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96 |
first = first - #prefix_indices |
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|
97 |
last = last - #prefix_indices |
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|
98 |
end |
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|
99 |
mentions[first] = {bare_jid=bare_jid, first=first, last=last} |
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|
100 |
end |
4165
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|
101 |
|
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|
102 |
local function get_client_mentions(stanza) |
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|
103 |
local has_mentions = false |
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|
104 |
local client_mentions = {} |
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|
105 |
|
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|
106 |
for element in stanza:childtags("reference", reference_xmlns) do |
032e1c79d039
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|
107 |
if element.attr.type == "mention" then |
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|
108 |
local key = tonumber(element.attr.begin) + 1 -- count starts at 0 |
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|
109 |
client_mentions[key] = {bare_jid=element.attr.uri, first=element.attr.begin, last=element.attr["end"]} |
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|
110 |
has_mentions = true |
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|
111 |
end |
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|
112 |
end |
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|
113 |
|
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|
114 |
return has_mentions, client_mentions |
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|
115 |
end |
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|
116 |
|
4142
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|
117 |
local function is_room_eligible(jid) |
4316
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|
118 |
if not enabled_rooms and not disabled_rooms then return true; end |
4142
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|
119 |
|
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Improve UX by providing defaults users expect
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|
120 |
if enabled_rooms then |
4142
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|
121 |
for _, _jid in ipairs(enabled_rooms) do |
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|
122 |
if _jid == jid then |
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|
123 |
return true |
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|
124 |
end |
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parents:
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changeset
|
125 |
end |
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parents:
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|
126 |
return false |
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|
127 |
end |
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changeset
|
128 |
|
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|
129 |
if disabled_rooms then |
4142
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|
130 |
for _, _jid in ipairs(disabled_rooms) do |
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|
131 |
if _jid == jid then |
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|
132 |
return false |
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changeset
|
133 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
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parents:
diff
changeset
|
134 |
end |
e8c1b35bc25b
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parents:
diff
changeset
|
135 |
return true |
e8c1b35bc25b
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parents:
diff
changeset
|
136 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
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parents:
diff
changeset
|
137 |
end |
e8c1b35bc25b
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parents:
diff
changeset
|
138 |
|
e8c1b35bc25b
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parents:
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|
139 |
local function has_nick_prefix(body, first) |
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|
140 |
-- There are no configured prefixes |
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|
141 |
if not prefixes or #prefixes < 1 then return false end |
e8c1b35bc25b
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changeset
|
142 |
|
4167
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|
143 |
-- Prefix must have a space before it, |
4146
6906562af2ee
mod_muc_inject_mentions: Allow preffixes to be used after a new line
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parents:
4145
diff
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|
144 |
-- be the first character of the body |
6906562af2ee
mod_muc_inject_mentions: Allow preffixes to be used after a new line
Seve Ferrer <seve@delape.net>
parents:
4145
diff
changeset
|
145 |
-- or be the first character after a new line |
4163
94e3e7753220
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parents:
4159
diff
changeset
|
146 |
if not mention_delimiters:contains(body:sub(first - 2, first - 2)) then |
4142
e8c1b35bc25b
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diff
changeset
|
147 |
return false |
e8c1b35bc25b
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parents:
diff
changeset
|
148 |
end |
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parents:
diff
changeset
|
149 |
|
4167
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|
150 |
local prefix = body:sub(first - 1, first - 1) |
320f6d374b5d
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changeset
|
151 |
for _, _prefix in ipairs(prefixes) do |
320f6d374b5d
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changeset
|
152 |
if prefix == _prefix then |
4142
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|
153 |
return true |
e8c1b35bc25b
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parents:
diff
changeset
|
154 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
155 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
156 |
|
e8c1b35bc25b
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parents:
diff
changeset
|
157 |
return false |
e8c1b35bc25b
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parents:
diff
changeset
|
158 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
159 |
|
e8c1b35bc25b
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Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
160 |
local function has_nick_suffix(body, last) |
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parents:
diff
changeset
|
161 |
-- There are no configured suffixes |
e8c1b35bc25b
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parents:
diff
changeset
|
162 |
if not suffixes or #suffixes < 1 then return false end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
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parents:
diff
changeset
|
163 |
|
4147
b2080f76e0aa
mod_muc_inject_mentions: Allow suffixes to be used before a new line
Seve Ferrer <seve@delape.net>
parents:
4146
diff
changeset
|
164 |
-- Suffix must have a space after it, |
b2080f76e0aa
mod_muc_inject_mentions: Allow suffixes to be used before a new line
Seve Ferrer <seve@delape.net>
parents:
4146
diff
changeset
|
165 |
-- be the last character of the body |
b2080f76e0aa
mod_muc_inject_mentions: Allow suffixes to be used before a new line
Seve Ferrer <seve@delape.net>
parents:
4146
diff
changeset
|
166 |
-- or be the last character before a new line |
4163
94e3e7753220
mod_muc_inject_mentions: Improve mentions lookup by using a set instead of a list
Seve Ferrer <seve@delape.net>
parents:
4159
diff
changeset
|
167 |
if not mention_delimiters:contains(body:sub(last + 2, last + 2)) then |
4142
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
168 |
return false |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
169 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
170 |
|
e8c1b35bc25b
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Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
171 |
local suffix = body:sub(last+1, last+1) |
4143
c6bb64a12f92
mod_muc_inject_mentions: (W213) unused loop variable i
Seve Ferrer <seve@delape.net>
parents:
4142
diff
changeset
|
172 |
for _, _suffix in ipairs(suffixes) do |
4142
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
173 |
if suffix == _suffix then |
e8c1b35bc25b
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parents:
diff
changeset
|
174 |
return true |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
175 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
176 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
177 |
|
e8c1b35bc25b
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Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
178 |
return false |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
179 |
end |
e8c1b35bc25b
mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff
changeset
|
180 |
|
4165
032e1c79d039
mod_muc_inject_mentions: Add new configuration setting to look for mentions even if the client sent some already
Seve Ferrer <seve@delape.net>
parents:
4163
diff
changeset
|
181 |
local function search_mentions(room, body, client_mentions) |
4247
aed7038ab2ab
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Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
182 |
load_room_reserved_nicknames(room) |
4167
320f6d374b5d
mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents:
4166
diff
changeset
|
183 |
local mentions, prefix_indices = {}, {} |
4247
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
184 |
local current_word = "" |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
185 |
local current_word_start |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
186 |
for i = 1, #body+1 do |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
187 |
local char = body:sub(i,i) |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
188 |
-- Mention delimiter found, current_word is completed now |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
189 |
if mention_delimiters:contains(char) and current_word_start then |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
190 |
-- Check for nickname without prefix |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
191 |
local jid = get_jid(room, current_word) |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
192 |
if jid then |
4257
32b4901a9d8d
mod_muc_inject_mentions: Add new setting to trigger mentions only if a prefix is found
Seve Ferrer <seve@delape.net>
parents:
4247
diff
changeset
|
193 |
if not prefix_mandatory then |
32b4901a9d8d
mod_muc_inject_mentions: Add new setting to trigger mentions only if a prefix is found
Seve Ferrer <seve@delape.net>
parents:
4247
diff
changeset
|
194 |
add_mention(mentions, jid, current_word_start, i - 1, prefix_indices, false) |
32b4901a9d8d
mod_muc_inject_mentions: Add new setting to trigger mentions only if a prefix is found
Seve Ferrer <seve@delape.net>
parents:
4247
diff
changeset
|
195 |
end |
4247
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
196 |
else |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
197 |
-- Check for nickname with affixes |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
198 |
local prefix = prefixes:contains(current_word:sub(1,1)) |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
199 |
local suffix = suffixes:contains(current_word:sub(-1)) |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
200 |
if prefix and suffix then |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
201 |
jid = get_jid(room, current_word:sub(2, -2)) |
aed7038ab2ab
mod_muc_inject_mentions: Make module scalable by iterating through the body instead of participants list as the main loop
Seve Ferrer <seve@delape.net>
parents:
4168
diff
changeset
|
202 |
if jid then |
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add_mention(mentions, jid, current_word_start + 1, i - 2, prefix_indices, true) |
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end |
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elseif prefix then |
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jid = get_jid(room, current_word:sub(2)) |
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if jid then |
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add_mention(mentions, jid, current_word_start + 1, i - 1, prefix_indices, true) |
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end |
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elseif suffix and not prefix_mandatory then |
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jid = get_jid(room, current_word:sub(1, -2)) |
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if jid then |
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add_mention(mentions, jid, current_word_start, i - 2, prefix_indices, false) |
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end |
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215 |
end |
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216 |
end |
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217 |
|
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current_word = "" |
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current_word_start = nil |
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elseif not mention_delimiters:contains(char) then |
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current_word_start = current_word_start or i |
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current_word = current_word .. char |
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223 |
end |
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224 |
end |
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|
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return mentions, prefix_indices |
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227 |
end |
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228 |
|
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229 |
local function muc_inject_mentions(event) |
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local room, stanza = event.room, event.stanza; |
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local body = stanza:get_child_text("body") |
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232 |
|
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if not body or #body < 1 then return; end |
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234 |
|
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-- Inject mentions only if the room is configured for them |
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if not is_room_eligible(room.jid) then return; end |
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237 |
|
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238 |
-- Only act on messages that do not include mentions |
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239 |
-- unless configuration states otherwise. |
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240 |
local has_mentions, client_mentions = get_client_mentions(stanza) |
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241 |
if has_mentions and not append_mentions then return; end |
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242 |
|
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243 |
local mentions, prefix_indices = search_mentions(room, body, client_mentions) |
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244 |
for _, mention in pairs(mentions) do |
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245 |
-- https://xmpp.org/extensions/xep-0372.html#usecase_mention |
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246 |
stanza:tag( |
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247 |
"reference", { |
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248 |
xmlns=reference_xmlns, |
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249 |
begin=tostring(mention.first - 1), -- count starts at 0 |
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250 |
["end"]=tostring(mention.last), |
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251 |
type="mention", |
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252 |
uri="xmpp:" .. mention.bare_jid, |
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253 |
} |
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254 |
):up() |
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255 |
end |
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256 |
|
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257 |
if strip_out_prefixes then |
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258 |
local body_without_prefixes = "" |
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259 |
local from = 0 |
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260 |
if #prefix_indices > 0 then |
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261 |
for _, prefix_index in ipairs(prefix_indices) do |
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262 |
body_without_prefixes = body_without_prefixes .. body:sub(from, prefix_index-1) |
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263 |
from = prefix_index + 1 |
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264 |
end |
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265 |
body_without_prefixes = body_without_prefixes .. body:sub(from, #body) |
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266 |
|
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267 |
-- Replace original body containing prefixes |
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268 |
stanza:maptags( |
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269 |
function(tag) |
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270 |
if tag.name ~= "body" then |
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271 |
return tag |
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272 |
end |
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|
273 |
return st.stanza("body"):text(body_without_prefixes) |
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|
274 |
end |
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|
275 |
) |
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|
276 |
end |
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277 |
end |
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278 |
end |
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279 |
|
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280 |
module:hook("muc-occupant-groupchat", muc_inject_mentions) |
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281 |
module:hook("muc-set-affiliation", update_reserved_nicknames) |