Sat, 27 Nov 2010 22:02:30 +0000
storagemanager: Only show fallback warning if storage was configured to use another backend and it failed
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MUC: New basic mod_muc based on the new MUC library
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1 | -- Prosody IM |
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2 | -- Copyright (C) 2008-2010 Matthew Wild |
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3 | -- Copyright (C) 2008-2010 Waqas Hussain |
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4 | -- |
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5 | -- This project is MIT/X11 licensed. Please see the |
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6 | -- COPYING file in the source package for more information. |
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7 | -- |
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8 | |
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9 | |
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10 | if module:get_host_type() ~= "component" then |
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11 | error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0); |
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12 | end |
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13 | |
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14 | local muc_host = module:get_host(); |
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MUC: Added 'name' config option, for specifying the component's name in disco responses.
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15 | local muc_name = module:get_option("name"); |
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16 | if type(muc_name) ~= "string" then muc_name = "Prosody Chatrooms"; end |
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MUC: Added config option 'restrict_room_creation' to allow restricting room creation to admins.
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17 | local restrict_room_creation = module:get_option("restrict_room_creation"); |
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18 | if restrict_room_creation then |
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19 | if restrict_room_creation == true then |
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20 | restrict_room_creation = "admin"; |
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21 | elseif restrict_room_creation ~= "admin" and restrict_room_creation ~= "local" then |
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22 | restrict_room_creation = nil; |
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23 | end |
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24 | end |
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25 | local muc_new_room = module:require "muc".new_room; |
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26 | local jid_split = require "util.jid".split; |
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27 | local jid_bare = require "util.jid".bare; |
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28 | local st = require "util.stanza"; |
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29 | local uuid_gen = require "util.uuid".generate; |
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30 | local datamanager = require "util.datamanager"; |
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31 | local um_is_admin = require "core.usermanager".is_admin; |
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32 | |
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MUC: Expose the rooms table as a global 'rooms'.
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33 | rooms = {}; |
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34 | local rooms = rooms; |
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35 | local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {}; |
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36 | local component = hosts[module.host]; |
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37 | |
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38 | -- Configurable options |
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39 | local max_history_messages = module:get_option_number("max_history_messages"); |
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40 | |
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41 | local function is_admin(jid) |
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42 | return um_is_admin(jid, module.host); |
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43 | end |
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44 | |
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45 | local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end |
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46 | local function room_save(room, forced) |
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47 | local node = jid_split(room.jid); |
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48 | persistent_rooms[room.jid] = room._data.persistent; |
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49 | if room._data.persistent then |
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50 | local history = room._data.history; |
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51 | room._data.history = nil; |
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52 | local data = { |
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53 | jid = room.jid; |
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54 | _data = room._data; |
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55 | _affiliations = room._affiliations; |
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56 | }; |
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57 | datamanager.store(node, muc_host, "config", data); |
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58 | room._data.history = history; |
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59 | elseif forced then |
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60 | datamanager.store(node, muc_host, "config", nil); |
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61 | end |
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62 | if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end |
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63 | end |
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64 | |
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65 | for jid in pairs(persistent_rooms) do |
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66 | local node = jid_split(jid); |
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67 | local data = datamanager.load(node, muc_host, "config") or {}; |
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68 | local room = muc_new_room(jid, { |
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69 | history_length = max_history_messages; |
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70 | }); |
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71 | room._data = data._data; |
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72 | room._data.history_length = max_history_messages; --TODO: Need to allow per-room with a global limit |
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73 | room._affiliations = data._affiliations; |
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74 | room.route_stanza = room_route_stanza; |
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75 | room.save = room_save; |
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76 | rooms[jid] = room; |
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77 | end |
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78 | |
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79 | local host_room = muc_new_room(muc_host, { |
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80 | history_length = max_history_messages; |
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81 | }); |
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82 | host_room.route_stanza = room_route_stanza; |
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83 | host_room.save = room_save; |
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84 | |
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85 | local function get_disco_info(stanza) |
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86 | return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") |
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87 | :tag("identity", {category='conference', type='text', name=muc_name}):up() |
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88 | :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply |
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89 | end |
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90 | local function get_disco_items(stanza) |
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91 | local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); |
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92 | for jid, room in pairs(rooms) do |
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93 | if not room:is_hidden() then |
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94 | reply:tag("item", {jid=jid, name=room:get_name()}):up(); |
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95 | end |
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96 | end |
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97 | return reply; -- TODO cache disco reply |
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98 | end |
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99 | |
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100 | local function handle_to_domain(origin, stanza) |
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101 | local type = stanza.attr.type; |
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102 | if type == "error" or type == "result" then return; end |
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103 | if stanza.name == "iq" and type == "get" then |
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104 | local xmlns = stanza.tags[1].attr.xmlns; |
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105 | if xmlns == "http://jabber.org/protocol/disco#info" then |
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106 | origin.send(get_disco_info(stanza)); |
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107 | elseif xmlns == "http://jabber.org/protocol/disco#items" then |
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108 | origin.send(get_disco_items(stanza)); |
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109 | elseif xmlns == "http://jabber.org/protocol/muc#unique" then |
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110 | origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions |
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111 | else |
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112 | origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc |
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113 | end |
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114 | else |
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115 | host_room:handle_stanza(origin, stanza); |
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116 | --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it")); |
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117 | end |
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118 | end |
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119 | |
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120 | function stanza_handler(event) |
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121 | local origin, stanza = event.origin, event.stanza; |
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122 | local to_node, to_host, to_resource = jid_split(stanza.attr.to); |
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123 | if to_node then |
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124 | local bare = to_node.."@"..to_host; |
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125 | if to_host == muc_host or bare == muc_host then |
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126 | local room = rooms[bare]; |
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127 | if not room then |
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128 | if not(restrict_room_creation) or |
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129 | (restrict_room_creation == "admin" and is_admin(stanza.attr.from)) or |
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130 | (restrict_room_creation == "local" and select(2, jid_split(stanza.attr.from)) == module.host:gsub("^[^%.]+%.", "")) then |
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131 | room = muc_new_room(bare, { |
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132 | history_length = max_history_messages; |
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133 | }); |
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134 | room.route_stanza = room_route_stanza; |
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135 | room.save = room_save; |
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136 | rooms[bare] = room; |
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137 | end |
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138 | end |
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139 | if room then |
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140 | room:handle_stanza(origin, stanza); |
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141 | if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room |
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142 | rooms[bare] = nil; -- discard room |
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143 | end |
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144 | else |
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145 | origin.send(st.error_reply(stanza, "cancel", "not-allowed")); |
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146 | end |
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147 | else --[[not for us?]] end |
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148 | return true; |
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149 | end |
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150 | -- to the main muc domain |
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151 | handle_to_domain(origin, stanza); |
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152 | return true; |
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153 | end |
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154 | module:hook("iq/bare", stanza_handler); |
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155 | module:hook("message/bare", stanza_handler); |
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156 | module:hook("presence/bare", stanza_handler); |
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157 | module:hook("iq/full", stanza_handler); |
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158 | module:hook("message/full", stanza_handler); |
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159 | module:hook("presence/full", stanza_handler); |
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160 | module:hook("iq/host", stanza_handler); |
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161 | module:hook("message/host", stanza_handler); |
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162 | module:hook("presence/host", stanza_handler); |
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163 | |
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164 | hosts[module.host].send = function(stanza) -- FIXME do a generic fix |
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165 | if stanza.attr.type == "result" or stanza.attr.type == "error" then |
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166 | core_post_stanza(component, stanza); |
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167 | else error("component.send only supports result and error stanzas at the moment"); end |
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168 | end |
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169 | |
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170 | prosody.hosts[module:get_host()].muc = { rooms = rooms }; |
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171 | |
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172 | module.save = function() |
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173 | return {rooms = rooms}; |
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174 | end |
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175 | module.restore = function(data) |
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176 | for jid, oldroom in pairs(data.rooms or {}) do |
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177 | local room = muc_new_room(jid); |
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178 | room._jid_nick = oldroom._jid_nick; |
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179 | room._occupants = oldroom._occupants; |
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180 | room._data = oldroom._data; |
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181 | room._affiliations = oldroom._affiliations; |
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182 | room.route_stanza = room_route_stanza; |
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183 | room.save = room_save; |
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184 | rooms[jid] = room; |
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185 | end |
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186 | prosody.hosts[module:get_host()].muc = { rooms = rooms }; |
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187 | end |