annotate mod_isolate_host/mod_isolate_host.lua @ 5004:bc75fc9400ae

mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
author Matthew Wild <mwild1@gmail.com>
date Mon, 15 Aug 2022 14:18:07 +0100
parents 8e19b943c2cd
children 16db0a6e868c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local jid = require "util.jid";
5004
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
2 local jid_bare, jid_host = jid.bare, jid.host;
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local set = require "util.set";
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local st = require "util.stanza";
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local stanza_types = set.new{"message", "presence", "iq"};
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 local jid_types = set.new{"bare", "full", "host"};
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local except_domains = module:get_option_inherited_set("isolate_except_domains", {});
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 local except_users = module:get_option_inherited_set("isolate_except_users", {});
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11
5004
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
12 if not module.may then
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
13 module:depends("compat_roles");
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
14 end
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
15
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 function check_stanza(event)
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 local origin, stanza = event.origin, event.stanza;
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 if origin.no_host_isolation then return; end
5004
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
19 local to_host = jid_host(event.stanza.attr.to);
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 if to_host and to_host ~= origin.host and not except_domains:contains(to_host) then
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 if to_host:match("^[^.]+%.(.+)$") == origin.host then -- Permit subdomains
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 except_domains:add(to_host);
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 return;
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 module:log("warn", "Forbidding stanza from %s to %s", stanza.attr.from or origin.full_jid, stanza.attr.to);
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 origin.send(st.error_reply(stanza, "auth", "forbidden", "Communication with "..to_host.." is not available"));
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 return true;
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 for stanza_type in stanza_types do
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 for jid_type in jid_types do
1792
8e19b943c2cd mod_isolate_host: Bump event hook priorities to make sure they are above the core plugins
Kim Alvefur <zash@zash.se>
parents: 1011
diff changeset
33 module:hook("pre-"..stanza_type.."/"..jid_type, check_stanza, 1);
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36
5004
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
37 module:default_permission("prosody:admin", "xmpp:federate");
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
38
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 function check_user_isolated(event)
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 local session = event.session;
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 local bare_jid = jid_bare(session.full_jid);
5004
bc75fc9400ae mod_isolate_host: Switch to module:may() (back compatible via compat_roles)
Matthew Wild <mwild1@gmail.com>
parents: 1792
diff changeset
42 if module:may("xmpp:federate") or except_users:contains(bare_jid) then
1011
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 session.no_host_isolation = true;
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 module:log("debug", "%s is %sisolated", session.full_jid or "[?]", session.no_host_isolation and "" or "not ");
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 end
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47
9466efd10af9 mod_isolate_host: Prevent communication between hosts, even internal ones
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 module:hook("resource-bind", check_user_isolated);