Mercurial > prosody-modules
annotate mod_archive_muc/mod_archive_muc.lua @ 262:4986ffe35704
mod_blocking: Updated to use the new events API.
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Sat, 16 Oct 2010 06:23:16 +0500 |
| parents | 6202ce4d12d6 |
| children | 2c85635318a5 |
| rev | line source |
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| 237 | 1 -- Prosody IM |
| 2 -- Copyright (C) 2010 Dai Zhiwei | |
| 3 -- | |
| 4 -- This project is MIT/X11 licensed. Please see the | |
| 5 -- COPYING file in the source package for more information. | |
| 6 -- | |
| 7 | |
| 8 local st = require "util.stanza"; | |
| 9 local dm = require "util.datamanager"; | |
| 10 local jid = require "util.jid"; | |
| 11 local datetime = require "util.datetime"; | |
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12 local um = require "core.usermanager"; |
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13 local rom = require "core.rostermanager"; |
| 237 | 14 |
| 15 local PREFS_DIR = "archive_muc_prefs"; | |
| 16 local ARCHIVE_DIR = "archive_muc"; | |
| 17 | |
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18 local AUTO_MUC_ARCHIVING_ENABLED = module:get_option_boolean("auto_muc_archiving_enabled", true); |
| 237 | 19 |
| 20 module:add_feature("urn:xmpp:archive#preferences"); | |
| 21 module:add_feature("urn:xmpp:archive#management"); | |
| 22 | |
| 23 ------------------------------------------------------------ | |
| 24 -- Utils | |
| 25 ------------------------------------------------------------ | |
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26 local function trim(s) |
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27 return (string.gsub(s, "^%s*(.-)%s*$", "%1")) |
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28 end |
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29 |
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30 local function clean_up(t) |
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31 for i = #t, 1, -1 do |
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32 if type(t[i]) == 'table' then |
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33 clean_up(t[i]); |
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34 elseif type(t[i]) == 'string' and trim(t[i]) == '' then |
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35 table.remove(t, i); |
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36 end |
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37 end |
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38 end |
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39 |
| 237 | 40 local function load_prefs(node, host) |
| 41 return st.deserialize(dm.load(node, host, PREFS_DIR)); | |
| 42 end | |
| 43 | |
| 44 local function store_prefs(data, node, host) | |
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45 clean_up(data); |
| 237 | 46 dm.store(node, host, PREFS_DIR, st.preserialize(data)); |
| 47 end | |
| 48 | |
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49 local date_time = datetime.datetime; |
| 237 | 50 |
| 51 local function match_jid(rule, id) | |
| 52 return not rule or jid.compare(id, rule); | |
| 53 end | |
| 54 | |
| 55 local function is_earlier(start, coll_start) | |
| 56 return not start or start <= coll_start; | |
| 57 end | |
| 58 | |
| 59 local function is_later(endtime, coll_start) | |
| 60 return not endtime or endtime >= coll_start; | |
| 61 end | |
| 62 | |
| 63 ------------------------------------------------------------ | |
| 64 -- Preferences | |
| 65 ------------------------------------------------------------ | |
| 66 local function preferences_handler(event) | |
| 67 local origin, stanza = event.origin, event.stanza; | |
| 68 module:log("debug", "-- Enter muc preferences_handler()"); | |
| 69 module:log("debug", "-- muc pref:\n%s", tostring(stanza)); | |
| 70 if stanza.attr.type == "get" then | |
| 71 local data = load_prefs(origin.username, origin.host); | |
| 72 if data then | |
| 73 origin.send(st.reply(stanza):add_child(data)); | |
| 74 else | |
| 75 origin.send(st.reply(stanza)); | |
| 76 end | |
| 77 elseif stanza.attr.type == "set" then | |
| 78 local node, host = origin.username, origin.host; | |
| 79 if stanza.tags[1] and stanza.tags[1].name == 'prefs' then | |
| 80 store_prefs(stanza.tags[1], node, host); | |
| 81 origin.send(st.reply(stanza)); | |
| 82 local user = bare_sessions[node.."@"..host]; | |
| 83 local push = st.iq({type="set"}); | |
| 84 push:add_child(stanza.tags[1]); | |
| 85 for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources | |
| 86 if res.presence then -- to resource | |
| 87 push.attr.to = res.full_jid; | |
| 88 res.send(push); | |
| 89 end | |
| 90 end | |
| 91 end | |
| 92 end | |
| 93 return true; | |
| 94 end | |
| 95 | |
| 96 ------------------------------------------------------------ | |
| 97 -- Archive Management | |
| 98 ------------------------------------------------------------ | |
| 99 local function management_handler(event) | |
| 100 module:log("debug", "-- Enter muc management_handler()"); | |
| 101 local origin, stanza = event.origin, event.stanza; | |
| 102 local node, host = origin.username, origin.host; | |
| 103 local data = dm.list_load(node, host, ARCHIVE_DIR); | |
| 104 local elem = stanza.tags[1]; | |
| 105 local resset = {} | |
| 106 if data then | |
| 107 for i = #data, 1, -1 do | |
| 108 local forwarded = st.deserialize(data[i]); | |
| 109 local res = (match_jid(elem.attr["with"], forwarded.tags[2].attr.from) | |
| 110 or match_jid(elem.attr["with"], forwarded.tags[2].attr.to)) | |
| 111 and is_earlier(elem.attr["start"], forwarded.tags[1].attr["stamp"]) | |
| 112 and is_later(elem.attr["end"], forwarded.tags[1].attr["stamp"]); | |
| 113 if res then | |
| 114 table.insert(resset, forwarded); | |
| 115 end | |
| 116 end | |
| 117 for i = #resset, 1, -1 do | |
| 118 local res = st.message({to = stanza.attr.from, id=st.new_id()}); | |
| 119 res:add_child(resset[i]); | |
| 120 origin.send(res); | |
| 121 end | |
| 122 end | |
| 123 origin.send(st.reply(stanza)); | |
| 124 return true; | |
| 125 end | |
| 126 | |
| 127 ------------------------------------------------------------ | |
| 128 -- Message Handler | |
| 129 ------------------------------------------------------------ | |
| 130 local function is_in(list, jid) | |
| 131 for _,v in ipairs(list) do | |
| 132 if match_jid(v:get_text(), jid) then -- JID Matching | |
| 133 return true; | |
| 134 end | |
| 135 end | |
| 136 return false; | |
| 137 end | |
| 138 | |
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139 local function is_in_roster(node, host, id) |
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140 return rom.is_contact_subscribed(node, host, jid.bare(id)); |
| 237 | 141 end |
| 142 | |
| 143 local function apply_pref(node, host, jid) | |
| 144 local pref = load_prefs(node, host); | |
| 145 if not pref then | |
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146 return AUTO_MUC_ARCHIVING_ENABLED; |
| 237 | 147 end |
| 148 local always = pref:child_with_name('always'); | |
| 149 if always and is_in(always, jid) then | |
| 150 return true; | |
| 151 end | |
| 152 local never = pref:child_with_name('never'); | |
| 153 if never and is_in(never, jid) then | |
| 154 return false; | |
| 155 end | |
| 156 local default = pref.attr['default']; | |
| 157 if default == 'roster' then | |
| 158 return is_in_roster(node, host, jid); | |
| 159 elseif default == 'always' then | |
| 160 return true; | |
| 161 elseif default == 'never' then | |
| 162 return false; | |
| 163 end | |
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164 return AUTO_MUC_ARCHIVING_ENABLED; |
| 237 | 165 end |
| 166 | |
| 167 local function store_msg(msg, node, host) | |
| 168 local forwarded = st.stanza('forwarded', {xmlns='urn:xmpp:forward:tmp'}); | |
| 169 forwarded:tag('delay', {xmlns='urn:xmpp:delay',stamp=date_time()}):up(); | |
| 170 forwarded:add_child(msg); | |
| 171 dm.list_append(node, host, ARCHIVE_DIR, st.preserialize(forwarded)); | |
| 172 end | |
| 173 | |
| 174 local function msg_handler(data) | |
| 175 module:log("debug", "-- Enter muc msg_handler()"); | |
| 176 local origin, stanza = data.origin, data.stanza; | |
| 177 local body = stanza:child_with_name("body"); | |
| 178 if body then | |
| 179 local from_node, from_host = jid.split(stanza.attr.from); | |
| 180 local to_node, to_host = jid.split(stanza.attr.to); | |
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181 if um.user_exists(from_node, from_host) and apply_pref(from_node, from_host, stanza.attr.to) then |
| 237 | 182 store_msg(stanza, from_node, from_host); |
| 183 end | |
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184 if um.user_exists(to_node, to_host) and apply_pref(to_node, to_host, stanza.attr.from) then |
| 237 | 185 store_msg(stanza, to_node, to_host); |
| 186 end | |
| 187 end | |
| 188 | |
| 189 return nil; | |
| 190 end | |
| 191 | |
| 192 -- Preferences | |
| 193 module:hook("iq/self/urn:xmpp:archive#preferences:prefs", preferences_handler); | |
| 194 -- Archive management | |
| 195 module:hook("iq/self/urn:xmpp:archive#management:query", management_handler); | |
| 196 | |
| 197 module:hook("message/bare", msg_handler, 20); | |
| 198 |