Mercurial > prosody-modules
view mod_watchuntrusted/mod_watchuntrusted.lua @ 5354:39d59d857bfb
mod_http_oauth2: Use new mod_cron API for periodic cleanup
Less frequent but this isn't that important after all since, as the
comment states, expired codes are not usable anyway. They're also not
that large so memory usage probably doesn't matter.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 22 Apr 2023 11:59:52 +0200 |
parents | 0e78523f8c20 |
children |
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local jid_prep = require "util.jid".prep; local secure_auth = module:get_option_boolean("s2s_secure_auth", false); local secure_domains, insecure_domains = module:get_option_set("s2s_secure_domains", {})._items, module:get_option_set("s2s_insecure_domains", {})._items; local ignore_domains = module:get_option_set("untrusted_ignore_domains", {})._items; local untrusted_fail_watchers = module:get_option_set("untrusted_fail_watchers", module:get_option("admins", {})) / jid_prep; local untrusted_fail_notification = module:get_option("untrusted_fail_notification", "Establishing a secure connection from $from_host to $to_host failed. Certificate hash: $sha256. $errors"); local msg_type = module:get_option_string("untrusted_message_type", "chat"); local st = require "util.stanza"; local notified_about_already = { }; module:hook_global("s2s-check-certificate", function (event) local session, host = event.session, event.host; if not host then return end local conn = session.conn:socket(); local local_host = session.direction == "outgoing" and session.from_host or session.to_host; if not (local_host == module:get_host()) then return end module:log("debug", "Checking certificate..."); local certificate_is_valid = false; if session.cert_chain_status == "valid" and session.cert_identity_status == "valid" then certificate_is_valid = true; end local must_secure = secure_auth; if not must_secure and secure_domains[host] then must_secure = true; elseif must_secure and insecure_domains[host] then must_secure = false; end if must_secure and not certificate_is_valid and not notified_about_already[host] and not ignore_domains[host] then notified_about_already[host] = os.time(); local _, errors = conn:getpeerverification(); local error_message = ""; for depth, t in pairs(errors or {}) do if #t > 0 then error_message = error_message .. "Error with certificate " .. (depth - 1) .. ": " .. table.concat(t, ", ") .. ". "; end end if session.cert_identity_status then error_message = error_message .. "This certificate is " .. session.cert_identity_status .. " for " .. host .. "."; end local replacements = { sha1 = event.cert and event.cert:digest("sha1") or "(No certificate)", sha256 = event.cert and event.cert:digest("sha256") or "(No certificate)", errors = error_message }; local message = st.message({ type = msg_type, from = local_host }, untrusted_fail_notification:gsub("%$([%w_]+)", function (v) return event[v] or session and session[v] or replacements and replacements[v] or nil; end)); for jid in untrusted_fail_watchers do module:log("debug", "Notifying %s", jid); message.attr.to = jid; module:send(message); end end end, -0.5); module:add_timer(14400, function (now) for host, time in pairs(notified_about_already) do if time + 86400 < now then notified_about_already[host] = nil; end end return 14400; end)