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view mod_stanza_counter/mod_stanza_counter_http.lua @ 4942:e7b9bc629ecc

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mod_rest: Add special handling to catch MAM results from remote hosts Makes MAM queries to remote hosts works. As the comment says, MAM results from users' local archives or local MUCs are returned via origin.send() which is provided in the event and thus already worked. Results from remote hosts go via normal stanza routing and events, which need this extra handling to catch. This pattern of iq-set, message+, iq-result is generally limited to MAM. Closest similar thing might be MUC join, but to really handle that you would need the webhook callback mechanism.
author Kim Alvefur <zash@zash.se>
date Mon, 16 May 2022 19:47:09 +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
        }
})