Mercurial > prosody-modules

annotate mod_muc_inject_mentions/mod_muc_inject_mentions.lua @ 5448:9d542e86e19a

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mod_http_oauth2: Allow requesting a subset of scopes on token refresh This enables clients to request access tokens with fewer permissions than the grant they were given, reducing impact of token leak. Clients could e.g. request access tokens with some privileges and immediately revoke them after use, or other strategies.
author Kim Alvefur <zash@zash.se>
date Thu, 11 May 2023 21:40:09 +0200
parents 33a41503b9e3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 module:depends("muc");
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2
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3 local jid_resource = require "util.jid".resource;
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4 local st = require "util.stanza";
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6 local prefixes = module:get_option_set("muc_inject_mentions_prefixes", {})
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7 local suffixes = module:get_option_set("muc_inject_mentions_suffixes", {})
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8 local enabled_rooms = module:get_option("muc_inject_mentions_enabled_rooms", nil)
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9 local disabled_rooms = module:get_option("muc_inject_mentions_disabled_rooms", nil)
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10 local mention_delimiters = module:get_option_set("muc_inject_mentions_mention_delimiters", {" ", "", "\n", "\t"})
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11 local append_mentions = module:get_option("muc_inject_mentions_append_mentions", false)
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12 local strip_out_prefixes = module:get_option("muc_inject_mentions_strip_out_prefixes", false)
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13 local reserved_nicks = module:get_option("muc_inject_mentions_reserved_nicks", false)
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14 local use_bare_jid = module:get_option("muc_inject_mentions_use_bare_jid", true)
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15 local prefix_mandatory = module:get_option("muc_inject_mentions_prefix_mandatory", false)
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16 local reserved_nicknames = {}
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17
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18 local reference_xmlns = "urn:xmpp:reference:0"
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20 local function update_reserved_nicknames(event)
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21 local room, data, jid = event.room.jid, event.data, event.jid
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22 load_room_reserved_nicknames(event.room)
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23 local nickname = (data or {})["reserved_nickname"]
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24
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25 if nickname then
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26 reserved_nicknames[room][nickname] = jid
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27 else
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28 local nickname_to_remove
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29 for _nickname, _jid in pairs(reserved_nicknames[room]) do
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30 if _jid == jid then
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31 nickname_to_remove = _nickname
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32 break
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33 end
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34 end
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35 if nickname_to_remove then
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36 reserved_nicknames[room][nickname_to_remove] = nil
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37 end
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38 end
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39 end
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40
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41 function load_room_reserved_nicknames(room)
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42 if not reserved_nicknames[room.jid] then
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43 reserved_nicknames[room.jid] = {}
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44 for jid, data in pairs(room._affiliations_data or {}) do
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45 local reserved_nickname = data["reserved_nickname"]
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46 if reserved_nicknames then
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47 reserved_nicknames[room.jid][reserved_nickname] = jid
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48 end
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49 end
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50 end
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51 end
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52
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53 local function get_jid(room, nickname)
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54 local bare_jid = reserved_nicknames[room.jid][nickname]
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55 if bare_jid and use_bare_jid then
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56 return bare_jid
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57 end
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58
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59 if bare_jid and not use_bare_jid then
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60 return room.jid .. "/" .. nickname
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61 end
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62 end
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63
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64 local function get_participants(room)
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65 if not reserved_nicks then
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66 local occupants = room._occupants
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67 local key, occupant = next(occupants)
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68 return function ()
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69 while occupant do -- luacheck: ignore
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70 local nick = jid_resource(occupant.nick);
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71 local bare_jid = occupant.bare_jid
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72 key, occupant = next(occupants, key)
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73 return bare_jid, nick
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74 end
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75 end
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76 else
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77 local generator = room:each_affiliation()
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78 local jid, _, affiliation_data = generator(nil, nil)
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79 return function ()
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80 while jid do
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81 local bare_jid, nick = jid, (affiliation_data or {})["reserved_nickname"]
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82 jid, _, affiliation_data = generator(nil, bare_jid)
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83 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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90
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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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93 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
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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
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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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Seve Ferrer <seve@delape.net>
parents: 4159
diff changeset
112 end
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: 4159
diff changeset
113
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: 4159
diff changeset
114 return has_mentions, client_mentions
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: 4159
diff changeset
115 end
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: 4159
diff changeset
116
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
117 local function is_room_eligible(jid)
4312
33a41503b9e3 Improve UX by providing defaults users expect
Seve Ferrer <seve@delape.net>
parents: 4311
diff changeset
118 if not enabled_rooms and not disabled_rooms then return true; end
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
119
4312
33a41503b9e3 Improve UX by providing defaults users expect
Seve Ferrer <seve@delape.net>
parents: 4311
diff changeset
120 if enabled_rooms then
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
121 for _, _jid in ipairs(enabled_rooms) do
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
122 if _jid == jid then
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
123 return true
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
124 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
125 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
126 return false
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
127 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
128
4312
33a41503b9e3 Improve UX by providing defaults users expect
Seve Ferrer <seve@delape.net>
parents: 4311
diff changeset
129 if disabled_rooms then
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
130 for _, _jid in ipairs(disabled_rooms) do
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
131 if _jid == jid then
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
132 return false
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
133 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
134 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
135 return true
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
136 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
137 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
139 local function has_nick_prefix(body, first)
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
140 -- There are no configured prefixes
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
141 if not prefixes or #prefixes < 1 then return false end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
142
4163
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
143 -- Prefix must have a space before it,
4142
6906562af2ee mod_muc_inject_mentions: Allow preffixes to be used after a new line
Seve Ferrer <seve@delape.net>
parents: 4141
diff changeset
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: 4141
diff changeset
145 -- or be the first character after a new line
4159
94e3e7753220 mod_muc_inject_mentions: Improve mentions lookup by using a set instead of a list
Seve Ferrer <seve@delape.net>
parents: 4155
diff changeset
146 if not mention_delimiters:contains(body:sub(first - 2, first - 2)) then
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
147 return false
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
148 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
149
4163
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
150 local prefix = body:sub(first - 1, first - 1)
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
151 for _, _prefix in ipairs(prefixes) do
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
152 if prefix == _prefix then
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
153 return true
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
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 mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
157 return false
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
158 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
159
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
160 local function has_nick_suffix(body, last)
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
161 -- There are no configured suffixes
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
162 if not suffixes or #suffixes < 1 then return false end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
163
4143
b2080f76e0aa mod_muc_inject_mentions: Allow suffixes to be used before a new line
Seve Ferrer <seve@delape.net>
parents: 4142
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: 4142
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: 4142
diff changeset
166 -- or be the last character before a new line
4159
94e3e7753220 mod_muc_inject_mentions: Improve mentions lookup by using a set instead of a list
Seve Ferrer <seve@delape.net>
parents: 4155
diff changeset
167 if not mention_delimiters:contains(body:sub(last + 2, last + 2)) then
4138
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 mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
171 local suffix = body:sub(last+1, last+1)
4139
c6bb64a12f92 mod_muc_inject_mentions: (W213) unused loop variable i
Seve Ferrer <seve@delape.net>
parents: 4138
diff changeset
172 for _, _suffix in ipairs(suffixes) do
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
173 if suffix == _suffix then
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
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 mod_muc_inject_mentions: Publish module to repository
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
4161
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: 4159
diff changeset
181 local function search_mentions(room, body, client_mentions)
4243
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: 4164
diff changeset
182 load_room_reserved_nicknames(room)
4163
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
183 local mentions, prefix_indices = {}, {}
4243
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
diff changeset
192 if jid then
4253
32b4901a9d8d mod_muc_inject_mentions: Add new setting to trigger mentions only if a prefix is found
Seve Ferrer <seve@delape.net>
parents: 4243
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: 4243
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: 4243
diff changeset
195 end
4243
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
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: 4164
diff changeset
202 if jid 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: 4164
diff changeset
203 add_mention(mentions, jid, current_word_start + 1, i - 2, prefix_indices, true)
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: 4164
diff changeset
204 end
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: 4164
diff changeset
205 elseif prefix 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: 4164
diff changeset
206 jid = get_jid(room, current_word:sub(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: 4164
diff changeset
207 if jid 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: 4164
diff changeset
208 add_mention(mentions, jid, current_word_start + 1, i - 1, prefix_indices, true)
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: 4164
diff changeset
209 end
4253
32b4901a9d8d mod_muc_inject_mentions: Add new setting to trigger mentions only if a prefix is found
Seve Ferrer <seve@delape.net>
parents: 4243
diff changeset
210 elseif suffix and not prefix_mandatory then
4243
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: 4164
diff changeset
211 jid = get_jid(room, current_word:sub(1, -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: 4164
diff changeset
212 if jid 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: 4164
diff changeset
213 add_mention(mentions, jid, current_word_start, i - 2, prefix_indices, false)
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
214 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
215 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
216 end
4243
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: 4164
diff changeset
217
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: 4164
diff changeset
218 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: 4164
diff changeset
219 current_word_start = nil
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: 4164
diff changeset
220 elseif not mention_delimiters:contains(char) 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: 4164
diff changeset
221 current_word_start = current_word_start or 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: 4164
diff changeset
222 current_word = current_word .. char
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
223 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
224 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
225
4163
320f6d374b5d mod_muc_inject_mentions: Add new configuration setting to strip out prefixes from mentions
Seve Ferrer <seve@delape.net>
parents: 4162
diff changeset
226 return mentions, prefix_indices
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
227 end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
228
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
229 local function muc_inject_mentions(event)
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
230 local room, stanza = event.room, event.stanza;
4243
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: 4164
diff changeset
231 local body = stanza:get_child_text("body")
4161
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: 4159
diff changeset
232
4243
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: 4164
diff changeset
233 if not body or #body < 1 then return; end
4161
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: 4159
diff changeset
234
4138
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
235 -- Inject mentions only if the room is configured for them
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
diff changeset
236 if not is_room_eligible(room.jid) then return; end
e8c1b35bc25b mod_muc_inject_mentions: Publish module to repository
Seve Ferrer <seve@delape.net>
parents:
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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)