Mercurial > prosody-modules
view mod_flash_policy/mod_flash_policy.lua @ 5668:ecfd7aece33b
mod_measure_modules: Report module statuses via OpenMetrics
Someone in the chat asked about a health check endpoint, which reminded
me of mod_http_status, which provides access to module statuses with
full details. After that, this idea came about, which seems natural.
As noted in the README, it could be used to monitor that critical
modules are in fact loaded correctly.
As more modules use the status API, the more useful this module and
mod_http_status becomes.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 06 Oct 2023 18:34:39 +0200 |
parents | 7dbde05b48a9 |
children |
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local filters = require "util.filters"; local config = {} config.file = module:get_option_string("crossdomain_file", ""); config.string = module:get_option_string("crossdomain_string", [[<?xml version="1.0"?><!DOCTYPE cross-domain-policy SYSTEM "/xml/dtds/cross-domain-policy.dtd"><cross-domain-policy><site-control permitted-cross-domain-policies="master-only"/><allow-access-from domain="*" /></cross-domain-policy>]]); local string = '' if not config.file ~= '' then local f = assert(io.open(config.file)); string = f:read("*all"); else string = config.string end module:log("debug", "crossdomain string: "..string); module:set_global(); function filter_policy(data, session) -- Since we only want to check the first block of data, remove the filter filters.remove_filter(session, "bytes/in", filter_policy); if data == "<policy-file-request/>\0" then session.send(string.."\0"); return nil; -- Drop data to prevent it reaching the XMPP parser else return data; -- Pass data through, it wasn't a policy request end end function filter_session(session) if session.type == "c2s_unauthed" then filters.add_filter(session, "bytes/in", filter_policy, -1); end end function module.load() filters.add_filter_hook(filter_session); end function module.unload() filters.remove_filter_hook(filter_session); end