Mercurial > prosody-modules
annotate mod_isolate_host/mod_isolate_host.lua @ 5279:2b858cccac8f
mod_http_oauth2: Add support for refresh tokens
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 24 Mar 2023 14:29:07 +0000 |
parents | 16db0a6e868c |
children | 0f5657db1cfc |
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mod_isolate_host: Prevent communication between hosts, even internal ones
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1 local jid = require "util.jid"; |
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2 local jid_bare, jid_host = jid.bare, jid.host; |
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3 local set = require "util.set"; |
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4 local st = require "util.stanza"; |
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5 |
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6 local stanza_types = set.new{"message", "presence", "iq"}; |
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7 local jid_types = set.new{"bare", "full", "host"}; |
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8 |
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9 local except_domains = module:get_option_inherited_set("isolate_except_domains", {}); |
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10 local except_users = module:get_option_inherited_set("isolate_except_users", {}); |
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11 |
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12 if not module.may then |
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13 module:depends("compat_roles"); |
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14 end |
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15 |
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16 function check_stanza(event) |
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17 local origin, stanza = event.origin, event.stanza; |
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18 if origin.no_host_isolation then return; end |
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19 local to_host = jid_host(event.stanza.attr.to); |
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20 if to_host and to_host ~= origin.host and not except_domains:contains(to_host) then |
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21 if to_host:match("^[^.]+%.(.+)$") == origin.host then -- Permit subdomains |
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22 except_domains:add(to_host); |
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23 return; |
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24 end |
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25 module:log("warn", "Forbidding stanza from %s to %s", stanza.attr.from or origin.full_jid, stanza.attr.to); |
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26 origin.send(st.error_reply(stanza, "auth", "forbidden", "Communication with "..to_host.." is not available")); |
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27 return true; |
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28 end |
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29 end |
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30 |
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31 for stanza_type in stanza_types do |
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32 for jid_type in jid_types do |
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33 module:hook("pre-"..stanza_type.."/"..jid_type, check_stanza, 1); |
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34 end |
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35 end |
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36 |
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37 module:default_permission("prosody:admin", "xmpp:federate"); |
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38 |
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39 function check_user_isolated(event) |
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40 local session = event.session; |
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41 local bare_jid = jid_bare(session.full_jid); |
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42 if module:may("xmpp:federate", event) or except_users:contains(bare_jid) then |
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43 session.no_host_isolation = true; |
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44 end |
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45 module:log("debug", "%s is %sisolated", session.full_jid or "[?]", session.no_host_isolation and "" or "not "); |
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46 end |
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47 |
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48 module:hook("resource-bind", check_user_isolated); |