Mercurial > prosody-modules

annotate mod_muc_ban_ip/mod_muc_ban_ip.lua @ 5466:398d936e77fb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Add support for the OpenID 'login_hint' parameter This allows the client to suggest to the authorization screen which user is trying to login, so they don't have to fill that in twice if they already did so at the client.
author Kim Alvefur <zash@zash.se>
date Wed, 17 May 2023 18:49:22 +0200
parents 47d9f704d14b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 module:set_global();
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
5015
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
3 local jid_bare, jid_host = require "util.jid".bare, require "util.jid".host;
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local st = require "util.stanza";
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 local xmlns_muc_user = "http://jabber.org/protocol/muc#user";
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6
5015
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
7 local trusted_services = module:get_option_inherited_set("muc_ban_ip_trusted_services", {});
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
8 local trust_local_restricted_services = module:get_option_boolean("muc_ban_ip_trust_local_restricted_services", true);
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
9
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 local ip_bans = module:shared("bans");
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local full_sessions = prosody.full_sessions;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12
5015
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
13 local function is_local_restricted_service(host)
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
14 local muc_service = prosody.hosts[host] and prosody.hosts[host].modules.muc;
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
15 if muc_service and module:context(host):get_option("restrict_room_creation") ~= nil then -- COMPAT: May need updating post-0.12
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
16 return true;
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
17 end
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
18 return false;
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
19 end
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
20
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 local function ban_ip(session, from)
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 local ip = session.ip;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 if not ip then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 module:log("warn", "Failed to ban IP (IP unknown) for %s", session.full_jid);
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 return;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 end
5015
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
27 local from_host = jid_host(from);
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
28 if trusted_services:contains(from_host) or (trust_local_restricted_services and is_local_restricted_service(from_host)) then
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
29 from = from_host; -- Ban from entire host
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
30 end
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 local banned_from = ip_bans[ip];
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 if not banned_from then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 banned_from = {};
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 ip_bans[ip] = banned_from;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 banned_from[from] = true;
3403
823027110e29 mod_muc_ban_ip: Improve logging to use session, and log when a ban is enforced
Matthew Wild <mwild1@gmail.com>
parents: 1651
diff changeset
37 module:log("debug", "Added ban for IP address %s from %s", ip, from);
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39
1651
933403ee07ec mod_muc_ban_ip: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1647
diff changeset
40 local function check_for_incoming_ban(event)
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 local stanza = event.stanza;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 local to_session = full_sessions[stanza.attr.to];
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 if to_session then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 local directed = to_session.directed;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 local from = stanza.attr.from;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 if directed and directed[from] and stanza.attr.type == "unavailable" then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 -- This is a stanza from somewhere we sent directed presence to (may be a MUC)
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 local x = stanza:get_child("x", xmlns_muc_user);
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 if x then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 for status in x:childtags("status") do
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 if status.attr.code == '301' then
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 ban_ip(to_session, jid_bare(from));
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59
1651
933403ee07ec mod_muc_ban_ip: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1647
diff changeset
60 local function check_for_ban(event)
3403
823027110e29 mod_muc_ban_ip: Improve logging to use session, and log when a ban is enforced
Matthew Wild <mwild1@gmail.com>
parents: 1651
diff changeset
61 local origin, stanza = event.origin, event.stanza;
823027110e29 mod_muc_ban_ip: Improve logging to use session, and log when a ban is enforced
Matthew Wild <mwild1@gmail.com>
parents: 1651
diff changeset
62 local ip = origin.ip;
5015
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
63 local to, to_host = jid_bare(stanza.attr.to), jid_host(stanza.attr.to);
47d9f704d14b mod_muc_ban_ip: Support for service-wide IP bans from trusted services
Matthew Wild <mwild1@gmail.com>
parents: 4323
diff changeset
64 if ip_bans[ip] and (ip_bans[ip][to] or ip_bans[ip][to_host]) then
3995
4c9805f29f2d mod_muc_ban_ip: log fallback to module
Georg Lukas <georg@op-co.de>
parents: 3403
diff changeset
65 (origin.log or module._log)("debug", "IP banned: %s is banned from %s", ip, to)
4323
a7a06c8cea37 mod_muc_ban_ip: Lua is not C, fix typo
Georg Lukas <georg@op-co.de>
parents: 4321
diff changeset
66 if stanza.attr.type ~= "error" then
4321
71498f484c22 mod_muc_ban_ip: do not error() on banned user sending error to MUC
Georg Lukas <georg@op-co.de>
parents: 3995
diff changeset
67 origin.send(st.error_reply(stanza, "auth", "forbidden")
71498f484c22 mod_muc_ban_ip: do not error() on banned user sending error to MUC
Georg Lukas <georg@op-co.de>
parents: 3995
diff changeset
68 :tag("x", { xmlns = xmlns_muc_user })
71498f484c22 mod_muc_ban_ip: do not error() on banned user sending error to MUC
Georg Lukas <georg@op-co.de>
parents: 3995
diff changeset
69 :tag("status", { code = '301' }));
71498f484c22 mod_muc_ban_ip: do not error() on banned user sending error to MUC
Georg Lukas <georg@op-co.de>
parents: 3995
diff changeset
70 end
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 return true;
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 end
3995
4c9805f29f2d mod_muc_ban_ip: log fallback to module
Georg Lukas <georg@op-co.de>
parents: 3403
diff changeset
73 (origin.log or module._log)("debug", "IP not banned: %s from %s", ip, to)
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 end
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 function module.add_host(module)
1647
8860405e2af6 mod_muc_ban_ip: Increase priority of hooks, fixes if eg mod_presence gets called first
Kim Alvefur <zash@zash.se>
parents: 1005
diff changeset
77 module:hook("presence/full", check_for_incoming_ban, 100);
8860405e2af6 mod_muc_ban_ip: Increase priority of hooks, fixes if eg mod_presence gets called first
Kim Alvefur <zash@zash.se>
parents: 1005
diff changeset
78 module:hook("pre-presence/full", check_for_ban, 100);
1005
591590de34ef mod_muc_ban_ip: When a user is banned from a MUC, ban their IP from the MUC also (works for remote rooms too)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 end