Mercurial > prosody-modules

annotate mod_isolate_host/mod_isolate_host.lua @ 5243:d5dc8edb2695

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Use more compact IDs UUIDs are nice but so verbose! The reduction in entropy for the nonce should be fine since the timestamp is also counts towards this, and it changes every second (modulo clock shenanigans), so the chances of someone managing to get the same client_secret by registering with the same information at the same time as another entity should be negligible.
author Kim Alvefur <zash@zash.se>
date Sat, 11 Mar 2023 22:46:27 +0100
parents 16db0a6e868c
children 0f5657db1cfc
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);
5096
16db0a6e868c mod_isolate_host: Pass context to module:may() (thanks cc)
Matthew Wild <mwild1@gmail.com>
parents: 5004
diff changeset
42 if module:may("xmpp:federate", event) 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);