prosody-modules
7e379ccb8ed6
mod_groups_internal/mod_groups_internal.lua

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mod_groups_internal/mod_groups_internal.lua @ 4417:7e379ccb8ed6

mod_groups_internal: make robust against module reloads
author Jonas Schäfer <jonas@wielicki.name>
date Sun, 31 Jan 2021 12:14:21 +0100
parent 4415:c7424b96c75e
child 4418:8c31d4b872c3
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1 local rostermanager = require"core.rostermanager";
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2 local modulemanager = require"core.modulemanager";
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3 local id = require "util.id";
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4 local jid = require "util.jid";
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5 local st = require "util.stanza";
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6 local jid_join = jid.join;
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7 local host = module.host;
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8
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9 local group_info_store = module:open_store("group_info");
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10 local group_members_store = module:open_store("groups");
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11 local group_memberships = module:open_store("groups", "map");
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12
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13 local muc_host_name = module:get_option("groups_muc_host", "groups."..host);
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14 local muc_host = nil;
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15
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16 local is_contact_subscribed = rostermanager.is_contact_subscribed;
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17
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18 -- Make a *one-way* subscription. User will see when contact is online,
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19 -- contact will not see when user is online.
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20 local function subscribe(user, user_jid, contact, contact_jid)
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21 -- Update user's roster to say subscription request is pending...
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22 rostermanager.set_contact_pending_out(user, host, contact_jid);
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23 -- Update contact's roster to say subscription request is pending...
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24 rostermanager.set_contact_pending_in(contact, host, user_jid);
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25 -- Update contact's roster to say subscription request approved...
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26 rostermanager.subscribed(contact, host, user_jid);
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27 -- Update user's roster to say subscription request approved...
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28 rostermanager.process_inbound_subscription_approval(user, host, contact_jid);
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29
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30 -- Push updates to both rosters
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31 rostermanager.roster_push(user, host, contact_jid);
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32 rostermanager.roster_push(contact, host, user_jid);
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33 end
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34
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35 local function user_groups(username)
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36 return pairs(group_memberships:get_all(username) or {});
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37 end
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38
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39 local function do_single_group_subscriptions(username, group_id)
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40 local members = group_members_store:get(group_id);
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41 if not members then return; end
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42 local user_jid = jid_join(username, host);
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43 for membername in pairs(members) do
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44 if membername ~= username then
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45 local member_jid = jid_join(membername, host);
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46 if not is_contact_subscribed(username, host, member_jid) then
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47 module:log("debug", "[group %s] Subscribing %s to %s", member_jid, user_jid);
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48 subscribe(membername, member_jid, username, user_jid);
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49 end
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50 if not is_contact_subscribed(membername, host, user_jid) then
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51 module:log("debug", "[group %s] Subscribing %s to %s", user_jid, member_jid);
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52 subscribe(username, user_jid, membername, member_jid);
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53 end
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54 end
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55 end
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56 end
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57
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58 local function do_all_group_subscriptions_by_user(username)
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59 for group_id in user_groups(username) do
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60 do_single_group_subscriptions(username, group_id);
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61 end
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62 end
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63
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64 local function do_all_group_subscriptions_by_group(group_id)
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65 for membername in pairs(get_members(group_id)) do
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66 do_single_group_subscriptions(membername, group_id);
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67 end
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68 end
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69
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70 module:hook("resource-bind", function(event)
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71 module:log("debug", "Updating group subscriptions...");
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72 do_all_group_subscriptions_by_user(event.session.username);
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73 end);
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74
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75 --luacheck: ignore 131
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76 function create(group_info, create_muc, group_id)
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77 if not group_info.name then
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78 return nil, "group-name-required";
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79 end
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80 if group_id then
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81 if exists(group_id) then
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82 return nil, "conflict"
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83 end
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84 else
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85 group_id = id.short();
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86 end
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87
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88 local muc_jid = nil
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89 local room = nil
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90 if create_muc then
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91 if not muc_host_name then
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92 module:log("error", "cannot create group with MUC: no MUC host configured")
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93 return nil, "service-unavailable"
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94 end
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95 if not muc_host then
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96 module:log("error", "cannot create group with MUC: MUC host %s not configured properly", muc_host_name)
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97 return nil, "internal-server-error"
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98 end
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99
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100 muc_jid = jid.prep(id.short() .. "@" .. muc_host_name);
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101 room = muc_host.create_room(muc_jid)
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102 if not room then
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103 delete(group_id)
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104 return nil, "internal-server-error"
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105 end
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106 room:set_public(false)
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107 room:set_persistent(true)
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108 room:set_members_only(true)
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109 room:set_allow_member_invites(false)
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110 room:set_moderated(false)
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111 room:set_whois("anyone")
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112 room:set_name(group_info.name)
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113 end
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114
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115 local ok = group_info_store:set(group_id, {
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116 name = group_info.name;
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117 muc_jid = muc_jid;
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118 });
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119 if not ok then
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120 if room then
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121 muc_host:delete_room(room)
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122 end
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123 return nil, "internal-server-error";
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124 end
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125
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126 return group_id;
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127 end
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128
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129 function get_info(group_id)
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130 return group_info_store:get(group_id);
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131 end
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diff changeset
132
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diff changeset
133 function set_info(group_id, info)
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diff changeset
134 if not info then
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135 return nil, "bad-request"
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parents:
diff changeset
136 end
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diff changeset
137
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diff changeset
138 if not info.name or #info.name == 0 then
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diff changeset
139 return nil, "bad-request"
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parents:
diff changeset
140 end
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diff changeset
141
4415
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diff changeset
142 -- TODO: we should probably prohibit changing/removing the MUC JID of
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143 -- an existing group.
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diff changeset
144 if info.muc_jid then
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diff changeset
145 room = muc_host.get_room_from_jid(info.muc_jid);
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diff changeset
146 room:set_name(info.name);
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diff changeset
147 end
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diff changeset
148
4383
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149 local ok = group_info_store:set(group_id, info);
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150 if not ok then
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151 return nil, "internal-server-error";
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parents:
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152 end
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153 return true
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parents:
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154 end
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155
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156 function get_members(group_id)
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157 return group_members_store:get(group_id);
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parents:
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158 end
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159
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160 function exists(group_id)
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161 return not not get_info(group_id);
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162 end
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163
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parents:
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164 function get_user_groups(username)
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165 local groups = {};
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166 do
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167 local group_set = group_memberships:get_all(username);
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168 if group_set then
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169 for group_id in pairs(group_set) do
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diff changeset
170 table.insert(groups, group_id);
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171 end
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parents:
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172 end
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parents:
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173 end
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parents:
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174 return groups;
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175 end
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parents:
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176
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parents:
diff changeset
177 function delete(group_id)
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178 if group_members_store:set(group_id, nil) then
4407
105586ca9a79 mod_groups_internal: Style
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diff changeset
179 local group_info = get_info(group_id);
4406
d86592775a20 mod_groups_internal: Fix unintended global variable (thanks luacheck)
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180 if group_info and group_info.muc_jid then
4407
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diff changeset
181 muc_host.delete_room(muc_host.get_room_from_jid(group_info.muc_jid));
4389
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diff changeset
182 end
4383
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183 return group_info_store:set(group_id, nil);
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parents:
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184 end
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185 return nil, "internal-server-error";
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186 end
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187
4386
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188 function add_member(group_id, username, delay_update)
4383
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189 local group_info = group_info_store:get(group_id);
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190 if not group_info then
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parents:
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191 return nil, "group-not-found";
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parents:
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192 end
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parents:
diff changeset
193 if not group_memberships:set(group_id, username, {}) then
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parents:
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194 return nil, "internal-server-error";
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parents:
diff changeset
195 end
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
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diff changeset
196 if group_info.muc_jid then
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parents: 4388
diff changeset
197 local room = muc_host.get_room_from_jid(group_info.muc_jid);
6cfa313cd524 mod_groups_internal: manage associated MUC
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parents: 4388
diff changeset
198 if room then
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diff changeset
199 local user_jid = username .. "@" .. host;
4407
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diff changeset
200 room:set_affiliation(true, user_jid, "member");
4399
846b7af5588c mod_groups_internal: send invite to new members of groups
Jonas Schäfer <jonas@wielicki.name>
parents: 4392
diff changeset
201 module:send(st.message(
846b7af5588c mod_groups_internal: send invite to new members of groups
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parents: 4392
diff changeset
202 { from = group_info.muc_jid, to = user_jid }
846b7af5588c mod_groups_internal: send invite to new members of groups
Jonas Schäfer <jonas@wielicki.name>
parents: 4392
diff changeset
203 ):tag("x", {
846b7af5588c mod_groups_internal: send invite to new members of groups
Jonas Schäfer <jonas@wielicki.name>
parents: 4392
diff changeset
204 xmlns = "jabber:x:conference",
846b7af5588c mod_groups_internal: send invite to new members of groups
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parents: 4392
diff changeset
205 jid = group_info.muc_jid
846b7af5588c mod_groups_internal: send invite to new members of groups
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parents: 4392
diff changeset
206 }):up());
4407
105586ca9a79 mod_groups_internal: Style
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parents: 4406
diff changeset
207 module:log("debug", "set user %s to be member in %s and sent invite", username, group_info.muc_jid);
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
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parents: 4388
diff changeset
208 else
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
209 module:log("warning", "failed to update affiliation for %s in %s", username, group_info.muc_jid);
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
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parents: 4388
diff changeset
210 end
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
211 end
4386
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
Jonas Schäfer <jonas@wielicki.name>
parents: 4385
diff changeset
212 if not delay_update then
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
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parents: 4385
diff changeset
213 do_all_group_subscriptions_by_group(group_id);
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
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parents: 4385
diff changeset
214 end
4383
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parents:
diff changeset
215 return true;
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parents:
diff changeset
216 end
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217
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parents:
diff changeset
218 function remove_member(group_id, username)
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parents:
diff changeset
219 local group_info = group_info_store:get(group_id);
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
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parents:
diff changeset
220 if not group_info then
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parents:
diff changeset
221 return nil, "group-not-found";
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 end
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 if not group_memberships:set(group_id, username, nil) then
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 return nil, "internal-server-error";
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 end
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
226 if group_info.muc_jid then
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
227 local room = muc_host.get_room_from_jid(group_info.muc_jid);
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
228 if room then
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
229 local user_jid = username .. "@" .. host;
4407
105586ca9a79 mod_groups_internal: Style
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parents: 4406
diff changeset
230 room:set_affiliation(true, user_jid, nil);
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
231 else
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
232 module:log("warning", "failed to update affiliation for %s in %s", username, group_info.muc_jid);
4389
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
233 end
6cfa313cd524 mod_groups_internal: manage associated MUC
Jonas Schäfer <jonas@wielicki.name>
parents: 4388
diff changeset
234 end
4383
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
235 return true;
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
236 end
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
237
4386
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
Jonas Schäfer <jonas@wielicki.name>
parents: 4385
diff changeset
238 function sync(group_id)
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
239 do_all_group_subscriptions_by_group(group_id);
4386
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
Jonas Schäfer <jonas@wielicki.name>
parents: 4385
diff changeset
240 end
6357ac65b4eb mod_groups_internal: allow delay of roster sync on group change
Jonas Schäfer <jonas@wielicki.name>
parents: 4385
diff changeset
241
4383
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 -- Returns iterator over group ids
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 function groups()
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 return group_info_store:users();
1e7406b85add mod_groups_internal: new module for grouping beyond mod_adhoc_groups
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 end
4388
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
246
4417
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
247 local function setup()
4392
e5792ca1d704 mod_groups_internal: fix default value and handling of groups_muc_host
Jonas Schäfer <jonas@wielicki.name>
parents: 4389
diff changeset
248 if not muc_host_name then
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
249 module:log("info", "MUC management disabled (groups_muc_host set to nil)");
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
250 return;
4392
e5792ca1d704 mod_groups_internal: fix default value and handling of groups_muc_host
Jonas Schäfer <jonas@wielicki.name>
parents: 4389
diff changeset
251 end
e5792ca1d704 mod_groups_internal: fix default value and handling of groups_muc_host
Jonas Schäfer <jonas@wielicki.name>
parents: 4389
diff changeset
252
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
253 local target_module = modulemanager.get_module(muc_host_name, "muc");
4388
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
254 if not target_module then
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
255 module:log("error", "host %s is not a MUC host -- group management will not work correctly; check your groups_muc_host setting!", muc_host_name);
4388
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
256 else
4407
105586ca9a79 mod_groups_internal: Style
Matthew Wild <mwild1@gmail.com>
parents: 4406
diff changeset
257 module:log("debug", "found MUC host at %s", muc_host_name);
4388
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
258 muc_host = target_module;
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
259 end
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
260 end
7de3c955cfe2 mod_groups_internal: allow creating MUCs if a MUC host is linked
Jonas Schäfer <jonas@wielicki.name>
parents: 4386
diff changeset
261
4417
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
262 if prosody.start_time then -- server already started
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
263 setup();
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
264 else
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
265 module:hook_global("server-started", setup);
7e379ccb8ed6 mod_groups_internal: make robust against module reloads
Jonas Schäfer <jonas@wielicki.name>
parents: 4415
diff changeset
266 end