prosody-modules
06fbbd45ba75
mod_blocking/mod_blocking.lua

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mod_blocking/mod_blocking.lua @ 6302:06fbbd45ba75

mod_cloud_notify: Readme: fix links and labels that were removed in the last commit diff --git a/mod_cloud_notify/README.md b/mod_cloud_notify/README.md --- a/mod_cloud_notify/README.md +++ b/mod_cloud_notify/README.md @@ -1,3 +1,9 @@ +---- +-labels: +-- 'Stage-Beta' +-summary: 'XEP-0357: Cloud push notifications' +---- + # Introduction This module enables support for sending "push notifications" to clients @@ -32,15 +38,15 @@ notification to your device. When your d it will display it or wake up the app so it can connect to XMPP and receive any pending messages. -This protocol is described for developers in \[XEP-0357: Push -Notifications\]. +This protocol is described for developers in [XEP-0357: Push +Notifications]. -For this module to work reliably, you must have \[mod_smacks\], -\[mod_mam\] and \[mod_carbons\] also enabled on your server. +For this module to work reliably, you must have [mod_smacks], +[mod_mam] and [mod_carbons] also enabled on your server. Some clients, notably Siskin and Snikket iOS need some additional extensions that are not currently defined in a standard XEP. To support -these clients, see \[mod_cloud_notify_extensions\]. +these clients, see [mod_cloud_notify_extensions]. # Configuration @@ -58,18 +64,18 @@ these clients, see \[mod_cloud_notify_ex # Internal design notes App servers are notified about offline messages, messages stored by -\[mod_mam\] or messages waiting in the smacks queue. The business rules +[mod_mam] or messages waiting in the smacks queue. The business rules outlined [here](//mail.jabber.org/pipermail/standards/2016-February/030925.html) are all honored[^2]. -To cooperate with \[mod_smacks\] this module consumes some events: +To cooperate with [mod_smacks] this module consumes some events: `smacks-ack-delayed`, `smacks-hibernation-start` and `smacks-hibernation-end`. These events allow this module to send out notifications for messages received while the session is hibernated by -\[mod_smacks\] or even when smacks acknowledgements for messages are +[mod_smacks] or even when smacks acknowledgements for messages are delayed by a certain amount of seconds configurable with the -\[mod_smacks\] setting `smacks_max_ack_delay`. +[mod_smacks] setting `smacks_max_ack_delay`. The `smacks_max_ack_delay` setting allows to send out notifications to clients which aren't already in smacks hibernation state (because the
author Menel <menel@snikket.de>
date Fri, 13 Jun 2025 10:44:37 +0200
parent 3318:1856c3aae92d
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1 local jid_split = require "util.jid".split;
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2 local st = require "util.stanza";
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3 local datamanager = require"util.datamanager";
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5 local xmlns_blocking = "urn:xmpp:blocking";
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6
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7 module:add_feature("urn:xmpp:blocking");
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8
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9 -- Add JID to default privacy list
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10 function add_blocked_jid(username, host, jid)
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11 local privacy_lists = datamanager.load(username, host, "privacy") or {lists = {}};
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12 local default_list_name = privacy_lists.default;
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13 if not privacy_lists.lists then
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14 privacy_lists.lists = {}
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15 end
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16 if not default_list_name then
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17 default_list_name = "blocklist";
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18 privacy_lists.default = default_list_name;
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19 end
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20 local default_list = privacy_lists.lists[default_list_name];
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21 if not default_list then
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22 default_list = { name = default_list_name, items = {} };
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23 privacy_lists.lists[default_list_name] = default_list;
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24 end
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25 local items = default_list.items;
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26 local order = items[1] and items[1].order or 0; -- Must come first
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27 for i=1,#items do -- order must be unique
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28 local item = items[i];
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29 item.order = item.order + 1;
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30 if item.type == "jid" and item.action == "deny" and item.value == jid then
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31 return false;
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32 end
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33 end
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34 table.insert(items, 1, { type = "jid"
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35 , action = "deny"
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36 , value = jid
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37 , message = false
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38 , ["presence-out"] = false
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39 , ["presence-in"] = false
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40 , iq = false
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41 , order = order
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42 });
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43 datamanager.store(username, host, "privacy", privacy_lists);
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44 return true;
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45 end
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47 -- Remove JID from default privacy list
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48 function remove_blocked_jid(username, host, jid)
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49 local privacy_lists = datamanager.load(username, host, "privacy") or {};
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50 local default_list_name = privacy_lists.default;
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51 if not default_list_name then return; end
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52 local default_list = privacy_lists.lists[default_list_name];
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53 if not default_list then return; end
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54 local items = default_list.items;
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55 local item, removed = nil, false;
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56 for i=1,#items do -- order must be unique
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57 item = items[i];
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58 if item.type == "jid" and item.action == "deny" and item.value == jid then
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59 table.remove(items, i);
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60 removed = true;
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61 break;
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62 end
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63 end
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64 if removed then
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65 datamanager.store(username, host, "privacy", privacy_lists);
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66 end
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67 return removed;
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68 end
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69
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70 function remove_all_blocked_jids(username, host)
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71 local privacy_lists = datamanager.load(username, host, "privacy") or {};
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72 local default_list_name = privacy_lists.default;
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73 if not default_list_name then return; end
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74 local default_list = privacy_lists.lists[default_list_name];
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75 if not default_list then return; end
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76 local items = default_list.items;
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77 local item;
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78 for i=#items,1,-1 do -- order must be unique
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79 item = items[i];
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80 if item.type == "jid" and item.action == "deny" then
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81 table.remove(items, i);
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82 end
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83 end
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84 datamanager.store(username, host, "privacy", privacy_lists);
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85 return true;
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86 end
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87
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88 function get_blocked_jids(username, host)
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89 -- Return array of blocked JIDs in default privacy list
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90 local privacy_lists = datamanager.load(username, host, "privacy") or {};
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91 local default_list_name = privacy_lists.default;
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92 if not default_list_name then return {}; end
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93 local default_list = privacy_lists.lists[default_list_name];
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94 if not default_list then return {}; end
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95 local items = default_list.items;
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96 local item;
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97 local jid_list = {};
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98 for i=1,#items do -- order must be unique
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99 item = items[i];
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100 if item.type == "jid" and item.action == "deny" then
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101 jid_list[#jid_list+1] = item.value;
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102 end
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103 end
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104 return jid_list;
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105 end
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106
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107 local function send_push_iqs(username, host, command_type, jids)
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108 local bare_jid = username.."@"..host;
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109
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110 local stanza_content = st.stanza(command_type, { xmlns = xmlns_blocking });
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111 for _, jid in ipairs(jids) do
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112 stanza_content:tag("item", { jid = jid }):up();
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113 end
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114
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115 for resource, session in pairs(prosody.bare_sessions[bare_jid].sessions) do
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116 local iq_push_stanza = st.iq({ type = "set", to = bare_jid.."/"..resource, id = "blocking-push" });
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117 iq_push_stanza:add_child(stanza_content);
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118 session.send(iq_push_stanza);
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119 end
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120 end
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121
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122 function handle_blocking_command(event)
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123 local session, stanza = event.origin, event.stanza;
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124
161
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125 local username, host = jid_split(stanza.attr.from);
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126 if stanza.attr.type == "set" then
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127 if stanza.tags[1].name == "block" then
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128 local block = stanza.tags[1];
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129 local block_jid_list = {};
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130 for item in block:childtags() do
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131 block_jid_list[#block_jid_list+1] = item.attr.jid;
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132 end
164
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133 if #block_jid_list == 0 then
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134 session.send(st.error_reply(stanza, "modify", "bad-request"));
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135 else
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136 for _, jid in ipairs(block_jid_list) do
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137 add_blocked_jid(username, host, jid);
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138 end
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139 session.send(st.reply(stanza));
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140 send_push_iqs(username, host, "block", block_jid_list);
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141 end
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142 return true;
164
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143 elseif stanza.tags[1].name == "unblock" then
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144 local unblock = stanza.tags[1];
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145 local unblock_jid_list = {};
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146 for item in unblock:childtags() do
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147 unblock_jid_list[#unblock_jid_list+1] = item.attr.jid;
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148 end
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149 if #unblock_jid_list == 0 then
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150 remove_all_blocked_jids(username, host);
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151 else
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152 for _, jid_to_unblock in ipairs(unblock_jid_list) do
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153 remove_blocked_jid(username, host, jid_to_unblock);
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154 end
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155 end
161
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156 session.send(st.reply(stanza));
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157 send_push_iqs(username, host, "unblock", unblock_jid_list);
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158 return true;
161
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159 end
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160 elseif stanza.attr.type == "get" and stanza.tags[1].name == "blocklist" then
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161 local reply = st.reply(stanza):tag("blocklist", { xmlns = xmlns_blocking });
161
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162 local blocked_jids = get_blocked_jids(username, host);
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163 for _, jid in ipairs(blocked_jids) do
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164 reply:tag("item", { jid = jid }):up();
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165 end
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166 session.send(reply);
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167 return true;
161
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168 end
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169 end
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170
262
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171 module:hook("iq/self/urn:xmpp:blocking:blocklist", handle_blocking_command);
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172 module:hook("iq/self/urn:xmpp:blocking:block", handle_blocking_command);
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173 module:hook("iq/self/urn:xmpp:blocking:unblock", handle_blocking_command);