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mod_block_strangers/mod_block_strangers.lua @ 5708:9edc698848e9
mod_groups_internal: Update to support multiple MUCs per group
This was a feature request for Snikket.
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 02 Nov 2023 16:59:44 +0000 |
parent | 3023:38365c1f1fe4 |
rev | line source |
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mod_block_strangers: Module to block message and iqs from people not on your roster
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1 |
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2 local st = require"util.stanza"; |
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3 local jid_split = require "util.jid".split; |
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4 local jid_bare = require "util.jid".bare; |
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5 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; |
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6 local full_sessions = prosody.full_sessions; |
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7 |
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8 local function has_directed_presence(user, jid) |
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9 local session = full_sessions[user]; |
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10 if session then |
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11 local directed = session.directed; |
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12 if directed then |
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13 return directed[jid]; |
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14 end |
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15 end |
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16 end |
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17 |
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18 function check_subscribed(event) |
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19 local stanza = event.stanza; |
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20 local to_user, to_host, to_resource = jid_split(stanza.attr.to); |
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21 local from_jid = jid_bare(stanza.attr.from); |
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22 if to_user and not has_directed_presence(stanza.attr.to, from_jid) and not is_contact_subscribed(to_user, to_host, from_jid) then |
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23 -- Allow all messages from your own jid |
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24 if from_jid == to_user.."@"..to_host then |
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25 return nil; -- Pass through |
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26 end |
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27 if to_resource and stanza.attr.type == "groupchat" |
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28 or stanza.name == "iq" and (stanza.attr.type == "result" or stanza.attr.type == "error") then |
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29 return nil; -- Pass through |
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30 end |
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31 if stanza.name == "iq" and ( stanza.attr.type == "get" or stanza.attr.type == "set" ) then |
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32 event.origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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33 end |
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34 return true; -- Drop stanza |
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35 end |
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36 end |
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37 |
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38 module:hook("message/bare", check_subscribed, 200); |
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39 module:hook("message/full", check_subscribed, 200); |
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40 module:hook("iq/full", check_subscribed, 200); |