Mercurial > prosody-modules
view mod_muc_ban_ip/mod_muc_ban_ip.lua @ 4047:36b6e3e3f9e2
mod_conversejs: Disable automatic BOSH/WS endpoint discovery
Converse.js 7.0 will enable this by default, but when using this module
the BOSH and WebSocket endpoints are provided in the generated HTML, so
automatic discovery is not needed and unlikely to work without an
additional module.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 18 Jun 2020 15:24:34 +0200 |
parents | 4c9805f29f2d |
children | 71498f484c22 |
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module:set_global(); local jid_bare = require "util.jid".bare; local st = require "util.stanza"; local xmlns_muc_user = "http://jabber.org/protocol/muc#user"; local ip_bans = module:shared("bans"); local full_sessions = prosody.full_sessions; local function ban_ip(session, from) local ip = session.ip; if not ip then module:log("warn", "Failed to ban IP (IP unknown) for %s", session.full_jid); return; end local banned_from = ip_bans[ip]; if not banned_from then banned_from = {}; ip_bans[ip] = banned_from; end banned_from[from] = true; module:log("debug", "Added ban for IP address %s from %s", ip, from); end local function check_for_incoming_ban(event) local stanza = event.stanza; local to_session = full_sessions[stanza.attr.to]; if to_session then local directed = to_session.directed; local from = stanza.attr.from; if directed and directed[from] and stanza.attr.type == "unavailable" then -- This is a stanza from somewhere we sent directed presence to (may be a MUC) local x = stanza:get_child("x", xmlns_muc_user); if x then for status in x:childtags("status") do if status.attr.code == '301' then ban_ip(to_session, jid_bare(from)); end end end end end end local function check_for_ban(event) local origin, stanza = event.origin, event.stanza; local ip = origin.ip; local to = jid_bare(stanza.attr.to); if ip_bans[ip] and ip_bans[ip][to] then (origin.log or module._log)("debug", "IP banned: %s is banned from %s", ip, to) origin.send(st.error_reply(stanza, "auth", "forbidden") :tag("x", { xmlns = xmlns_muc_user }) :tag("status", { code = '301' })); return true; end (origin.log or module._log)("debug", "IP not banned: %s from %s", ip, to) end function module.add_host(module) module:hook("presence/full", check_for_incoming_ban, 100); module:hook("pre-presence/full", check_for_ban, 100); end