Mercurial > prosody-modules
view mod_watchuntrusted/mod_watchuntrusted.lua @ 3511:b583cce491de
mod_pubsub_github/README: Fix 'labels' metafield to be a list
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 31 Mar 2019 16:56:26 +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)