prosody-modules
f845c218e52c
mod_isolate_host/mod_isolate_host.lua

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mod_isolate_host/mod_isolate_host.lua @ 5265:f845c218e52c

mod_http_oauth2: Allow revoking a token without OAuth client credentials If you have a valid token, and you're not supposed to have it, revoking it seems the most responsible thing to do with it, so it should be allowed, while if you are supposed to have it, you should also be allowed to revoke it.
author Kim Alvefur <zash@zash.se>
date Tue, 21 Mar 2023 22:02:38 +0100
parent 5096:16db0a6e868c
child 5296:0f5657db1cfc
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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);