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view mod_stanza_counter/mod_stanza_counter_http.lua @ 4976:75b6e5df65f9

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various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 7dbde05b48a9
children
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-- (C) 2011, Marco Cirillo (LW.Org)
-- Exposes stats on HTTP for the stanza counter module.

module:depends("http")

local base_path = module:get_option_string("stanza_counter_basepath", "/stanza-counter/")

-- http handlers

local r_200 = "\n<html>\n<head>\n<title>Prosody's Stanza Counter</title>\n<meta name=\"robots\" content=\"noindex, nofollow\" />\n</head>\n\n<body>\n<h3>Incoming and Outgoing stanzas divided per type</h3>\n<p><strong>Incoming IQs</strong>: %d<br/>\n<strong>Outgoing IQs</strong>: %d<br/>\n<strong>Incoming Messages</strong>: %d<br/>\n<strong>Outgoing Messages</strong>: %d<br/>\n<strong>Incoming Presences</strong>: %d<br/>\n<strong>Outgoing Presences</strong>: %d<p>\n</body>\n\n</html>\n"

local r_err = "\n<html>\n<head>\n<title>Prosody's Stanza Counter - Error %s</title>\n<meta name=\"robots\" content=\"noindex, nofollow\" />\n</head>\n\n<body>\n<h3>%s</h3>\n</body>\n\n</html>\n"

local function res(event, code, body, extras)
	local response = event.response

        if extras then
		for header, data in pairs(extras) do response.headers[header] = data end
	end

	response.status_code = code
	response:send(body)
end

local function req(event)
	if not prosody.stanza_counter then
		local err500 = r_err:format(event, 500, "Stats not found, is the counter module loaded?")
		return res(500, err500) end
	if method == "GET" then
		local forge_res = r_200:format(prosody.stanza_counter.iq["incoming"],
					       prosody.stanza_counter.iq["outgoing"],
					       prosody.stanza_counter.message["incoming"],
					       prosody.stanza_counter.message["outgoing"],
					       prosody.stanza_counter.presence["incoming"],
					       prosody.stanza_counter.presence["outgoing"])
		return res(event, 200, forge_res)
	else
		local err405 = r_err:format(405, "Only GET is supported")
		return res(event, 405, err405, {["Allow"] = "GET"})
	end
end

-- initialization.

module:provides("http", {
	default_path = base_path,
        route = {
                ["GET /"] = req,
		["POST /"] = req
        }
})