Mercurial > prosody-modules
annotate mod_isolate_host/mod_isolate_host.lua @ 3620:fb1c8dee2ead
mod_smacks: piggyback ack request onto ack response if queue is not empty, use native stoppable timers if supported
author | tmolitor <thilo@eightysoft.de> |
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date | Sat, 15 Jun 2019 01:34:52 +0200 |
parents | 8e19b943c2cd |
children | bc75fc9400ae |
rev | line source |
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mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
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1 local jid = require "util.jid"; |
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2 local jid_bare, jid_split = jid.bare, jid.split; |
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3 local is_admin = require "core.usermanager".is_admin; |
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4 local set = require "util.set"; |
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5 local st = require "util.stanza"; |
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6 |
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7 local stanza_types = set.new{"message", "presence", "iq"}; |
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8 local jid_types = set.new{"bare", "full", "host"}; |
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9 |
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10 local except_domains = module:get_option_inherited_set("isolate_except_domains", {}); |
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11 local except_users = module:get_option_inherited_set("isolate_except_users", {}); |
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12 |
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13 function check_stanza(event) |
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14 local origin, stanza = event.origin, event.stanza; |
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15 if origin.no_host_isolation then return; end |
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16 local to_user, to_host = jid_split(event.stanza.attr.to); |
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17 if to_host and to_host ~= origin.host and not except_domains:contains(to_host) then |
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18 if to_host:match("^[^.]+%.(.+)$") == origin.host then -- Permit subdomains |
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19 except_domains:add(to_host); |
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20 return; |
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21 end |
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22 module:log("warn", "Forbidding stanza from %s to %s", stanza.attr.from or origin.full_jid, stanza.attr.to); |
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23 origin.send(st.error_reply(stanza, "auth", "forbidden", "Communication with "..to_host.." is not available")); |
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24 return true; |
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25 end |
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26 end |
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27 |
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28 for stanza_type in stanza_types do |
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29 for jid_type in jid_types do |
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mod_isolate_host: Bump event hook priorities to make sure they are above the core plugins
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30 module:hook("pre-"..stanza_type.."/"..jid_type, check_stanza, 1); |
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31 end |
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32 end |
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33 |
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34 function check_user_isolated(event) |
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35 local session = event.session; |
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36 local bare_jid = jid_bare(session.full_jid); |
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37 if is_admin(bare_jid, module.host) or except_users:contains(bare_jid) then |
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38 session.no_host_isolation = true; |
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39 end |
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40 module:log("debug", "%s is %sisolated", session.full_jid or "[?]", session.no_host_isolation and "" or "not "); |
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41 end |
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42 |
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43 module:hook("resource-bind", check_user_isolated); |