mod_muc_log/mod_muc_log.lua
author Thilo Cestonaro <thilo@cestona.ro>
Mon, 19 Oct 2009 22:43:30 +0200
changeset 57 cddcea7c091a
parent 56 e9de45beaf5e
child 59 50e3d5b87119
permissions -rw-r--r--
mod_muc_log: set content-type header; escape some html stuff in messages (>, <, \n, http://....)
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-- Copyright (C) 2009 Thilo Cestonaro
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-- 
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local prosody = prosody;
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local splitJid = require "util.jid".split;
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local bareJid = require "util.jid".bare;
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local config_get = require "core.configmanager".get;
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local httpserver = require "net.httpserver";
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local serialize = require "util.serialization".serialize;
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local config = {};
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--[[ LuaFileSystem 
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* URL: http://www.keplerproject.org/luafilesystem/index.html
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* Install: luarocks install luafilesystem
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* ]]
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local lfs = require "lfs";
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local lom = require "lxp.lom";
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--[[
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* Default templates for the html output.
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]]--
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local html = {};
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html.doc = [[<html>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" >
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<head>
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	<title>muc_log</title>
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</head>
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<style type="text/css">
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<!--
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.timestuff {color: #AAAAAA; text-decoration: none;}
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.muc_join {color: #009900; font-style: italic;}
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.muc_leave {color: #009900; font-style: italic;}
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.muc_statusChange {color: #009900; font-style: italic;}
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.muc_title {color: #009900;}
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.muc_titlenick {color: #009900; font-style: italic;}
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.muc_kick {color: #009900; font-style: italic;}
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.muc_bann {color: #009900; font-style: italic;}
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.muc_name {color: #0000AA;}
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//-->
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</style>
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<body>
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###BODY_STUFF###
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</body>
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</html>]];
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html.hosts = {};
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html.hosts.bit = [[<a href="/muc_log/###JID###">###JID###</a><br />]]
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html.hosts.body = [[<h2>Rooms hosted on this server:</h2><hr /><p>
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###HOSTS_STUFF###
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</p><hr />]];
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html.days = {};
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html.days.bit = [[<a href="/muc_log/###JID###/?year=###YEAR###&month=###MONTH###&day=###DAY###">20###YEAR###/###MONTH###/###DAY###</a><br />]];
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html.days.body = [[<h2>available logged days of room: ###JID###</h2><hr /><p>
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###DAYS_STUFF###
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</p><hr />]];
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html.day = {};
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html.day.time = [[<a name="###TIME###" href="####TIME###" class="timestuff">[###TIME###]</a> ]]; -- the one ####TIME### need to stay! it will evaluate to e.g. #09:10:56 which is an anker then
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html.day.presence = {};
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html.day.presence.join = [[###TIME_STUFF###<font class="muc_join"> *** ###NICK### joins the room</font><br />]];
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html.day.presence.leave = [[###TIME_STUFF###<font class="muc_leave"> *** ###NICK### leaves the room</font><br />]];
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html.day.presence.statusChange = [[###TIME_STUFF###<font class="muc_statusChange"> *** ###NICK### changed his/her status to: ###STATUS###</font><br />]];
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html.day.message = [[###TIME_STUFF###<font class="muc_name">&lt;###NICK###&gt;</font> ###MSG###<br />]];
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html.day.titleChange = [[###TIME_STUFF###<font class="muc_titlenick"> *** ###NICK### change title to:</font> <font class="muc_title">###MSG###</font><br />]];
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html.day.kick = [[###TIME_STUFF###<font class="muc_titlenick"> *** ###NICK### kicked ###VICTIM###</font><br />]];
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html.day.bann = [[###TIME_STUFF###<font class="muc_titlenick"> *** ###NICK### banned ###VICTIM###</font><br />]];
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html.day.body = [[<h2>room ###JID### logging of 20###YEAR###/###MONTH###/###DAY###</h2><hr /><p>
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###DAY_STUFF###
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</p><hr />]];
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html.help = [[
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MUC logging is not configured correctly.<br />
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Here is a example config:<br />
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Component "rooms.example.com" "muc"<br />
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&nbsp;&nbsp;modules_enabled = {<br />
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&nbsp;&nbsp;&nbsp;&nbsp;"muc_log";<br />
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&nbsp;&nbsp;}<br />
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&nbsp;&nbsp;muc_log = {<br />
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&nbsp;&nbsp;&nbsp;&nbsp;folder = "/opt/local/var/log/prosody/rooms";<br />
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&nbsp;&nbsp;&nbsp;&nbsp;http_port = "/opt/local/var/log/prosody/rooms";<br />
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&nbsp;&nbsp;}<br />
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]];
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function validateLogFolder()
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	if config.folder == nil then
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		module:log("warn", "muc_log folder isn't configured. configure it please!");
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		return false;
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	end
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	-- check existance
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	local attributes = lfs.attributes(config.folder);
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	if attributes == nil then
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		module:log("warn", "muc_log folder doesn't exist. create it please!");
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		return false;
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	elseif attributes.mode ~= "directory" then
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		module:log("warn", "muc_log folder isn't a folder, it's a %s. change this please!", attributes.mode);
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		return false;
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	end --TODO: check for write rights!
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	return true;
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end
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function logIfNeeded(e)
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	local stanza, origin = e.stanza, e.origin;
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	if validateLogFolder() == false then
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		return;
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	end
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	if	(stanza.name == "presence") or 
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	   	(stanza.name == "message" and tostring(stanza.attr.type) == "groupchat")
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	then
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		local node, host, resource = splitJid(stanza.attr.to);
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		if node ~= nil and host ~= nil then
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			local bare = node .. "@" .. host;
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			if prosody.hosts[host] ~= nil and prosody.hosts[host].muc ~= nil and prosody.hosts[host].muc.rooms[bare] ~= nil then
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				local room = prosody.hosts[host].muc.rooms[bare]
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				local today = os.date("%y%m%d");
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				local now = os.date("%X")
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				local fn = config.folder .. "/" .. today .. "_" .. bare .. ".log";
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				local mucFrom = nil;
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				if stanza.name == "presence" and stanza.attr.type == nil then
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					mucFrom = stanza.attr.to;
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				else
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					for jid, nick in pairs(room._jid_nick) do
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						if jid == stanza.attr.from then
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							mucFrom = nick;
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						end
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					end
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				end
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				if mucFrom ~= nil then
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					module:log("debug", "try to open room log: %s", fn);
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					local f = assert(io.open(fn, "a"));
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					local realFrom = stanza.attr.from;
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					local realTo = stanza.attr.to;
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					stanza.attr.from = mucFrom;
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					stanza.attr.to = nil;
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					f:write("<stanza time=\"".. now .. "\">" .. tostring(stanza) .. "</stanza>\n");
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					stanza.attr.from = realFrom;
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					stanza.attr.to = realTo;
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					f:close()
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				end
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			end
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		end
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	end
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	return;
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end
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function createDoc(body)
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	return html.doc:gsub("###BODY_STUFF###", body);
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end
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local function htmlEscape(t)
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	t = t:gsub("<", "&lt;");
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	t = t:gsub(">", "&gt;");
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	t = t:gsub("(http://[%a%d@%.:/&%?=%-_#]+)", [[<a href="%1">%1</a>]]);
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	t = t:gsub("\n", "<br />");
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	-- TODO do any html escaping stuff ... 
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	return t;
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end
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function splitQuery(query)
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	local ret = {};
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	if query == nil then return ret; end
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	local last = 1;
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	local idx = query:find("&", last);
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	while idx ~= nil do
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		ret[#ret + 1] = query:sub(last, idx - 1);
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		last = idx + 1;
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		idx = query:find("&", last);
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	end
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	ret[#ret + 1] = query:sub(last);
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	return ret;
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end
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function grepRoomJid(url)
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	local tmp = url:sub(string.len("/muc_log/") + 1);
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	local node = nil;
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	local host = nil;
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	local at = nil;
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	local slash = nil;
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	at = tmp:find("@");
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	slash = tmp:find("/");
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	if slash ~= nil then
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		slash = slash - 1;
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	end
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   195
	
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	if at ~= nil then
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	 	node = tmp:sub(1, at - 1);
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		host = tmp:sub(at + 1, slash);
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	end
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	return node, host;
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end
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local function generateRoomListSiteContent()
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	local rooms = "";
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	for host, config in pairs(prosody.hosts) do
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		if prosody.hosts[host].muc ~= nil then
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			for jid, room in pairs(prosody.hosts[host].muc.rooms) do
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				rooms = rooms .. html.hosts.bit:gsub("###JID###", jid);
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			end
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		end
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	end
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   212
	
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	return html.hosts.body:gsub("###HOSTS_STUFF###", rooms);
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end
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local function generateDayListSiteContentByRoom(bareRoomJid)
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	local days = "";
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	local tmp;
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	for file in lfs.dir(config.folder) do
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		local year, month, day = file:match("^(%d%d)(%d%d)(%d%d)_" .. bareRoomJid .. ".log");
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		if	year ~= nil and month ~= nil and day ~= nil and
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			year ~= ""  and month ~= ""  and day ~= ""
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		then
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			tmp = html.days.bit;
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			tmp = tmp:gsub("###JID###", bareRoomJid);
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			tmp = tmp:gsub("###YEAR###", year);
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			tmp = tmp:gsub("###MONTH###", month);
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			tmp = tmp:gsub("###DAY###", day);
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			days = tmp .. days;
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		end
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	end
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	if days ~= "" then
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		tmp = html.days.body:gsub("###DAYS_STUFF###", days);
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		return tmp:gsub("###JID###", bareRoomJid);
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	else
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		return generateRoomListSiteContent(); -- fallback
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	end
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end
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   241
local function parseDay(bareRoomJid, query)
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	local ret = "";
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   243
	local year;
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   244
	local month;
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	local day;
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   246
	local tmp;
50
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   247
	
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   248
	for _,str in ipairs(query) do 
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		local name, value;
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		name, value = str:match("^(%a+)=(%d+)$");
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   251
		if name == "year" then
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			year = value;
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   253
		elseif name == "month" then
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   254
			month = value;
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   255
		elseif name == "day" then
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   256
			day = value;
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   257
		else
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   258
			log("warn", "unknown query value");
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   259
		end
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   260
	end
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   261
	
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   262
	if year ~= nil and month ~= nil and day ~= nil then
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   263
		local file = config.folder .. "/" .. year .. month .. day .. "_" .. bareRoomJid .. ".log";
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   264
		local f, err = io.open(file, "r");
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   265
		if f ~= nil then
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   266
			local content = f:read("*a");
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			local parsed = lom.parse("<xml>" .. content .. "</xml>");
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   268
			if parsed ~= nil then
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				for _,stanza in ipairs(parsed) do
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					if stanza.attr ~= nil and stanza.attr.time ~= nil then
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   271
						local timeStuff = html.day.time:gsub("###TIME###", stanza.attr.time);
50
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						if stanza[1] ~= nil then
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							local nick;
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   274
							
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   275
							-- grep nick from "from" resource
50
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   276
							if stanza[1].attr.from ~= nil then
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   277
								nick = stanza[1].attr.from:match("/(.+)$");
56
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   278
							end
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   279
							
50
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							if stanza[1].tag == "presence" and nick ~= nil then
56
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   281
								
50
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   282
								if stanza[1].attr.type == nil then
56
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   283
									tmp = html.day.presence.join:gsub("###TIME_STUFF###", timeStuff);
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   284
									ret = ret .. tmp:gsub("###NICK###", nick);
50
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   285
								elseif stanza[1].attr.type ~= nil and stanza[1].attr.type == "unavailable" then
56
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diff changeset
   286
									tmp = html.day.presence.leave:gsub("###TIME_STUFF###", timeStuff);
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   287
									ret = ret .. tmp:gsub("###NICK###", nick);
50
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diff changeset
   288
								else
56
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diff changeset
   289
									tmp = html.day.presence.leave:gsub("###TIME_STUFF###", timeStuff);
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diff changeset
   290
									tmp = tmp:gsub("###STATUS###", stanza[1].attr.type);
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diff changeset
   291
									ret = ret .. tmp:gsub("###NICK###", nick);
50
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diff changeset
   292
								end
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diff changeset
   293
							elseif stanza[1].tag == "message" then
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   294
								local body;
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   295
								for _,tag in ipairs(stanza[1]) do
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   296
									if tag.tag == "body" then
56
e9de45beaf5e mod_muc_log: templify the html stuff
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diff changeset
   297
										body = htmlEscape(tag[1]);
50
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   298
										if nick ~= nil then
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   299
											break;
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   300
										end
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diff changeset
   301
									elseif tag.tag == "nick" and nick == nil then
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   302
										nick = tag[1];
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diff changeset
   303
										if body ~= nil then
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parents: 47
diff changeset
   304
											break;
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diff changeset
   305
										end
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diff changeset
   306
									end
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diff changeset
   307
								end
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diff changeset
   308
								if nick ~= nil and body ~= nil then
56
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diff changeset
   309
									tmp = html.day.message:gsub("###TIME_STUFF###", timeStuff);
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   310
									tmp = tmp:gsub("###NICK###", nick);
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diff changeset
   311
									ret = ret .. tmp:gsub("###MSG###", body);
50
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parents: 47
diff changeset
   312
								end
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   313
							else
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diff changeset
   314
								module:log("info", "unknown stanza subtag in log found. room: %s; day: %s", bareRoomJid, year .. "/" .. month .. "/" .. day);
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diff changeset
   315
							end
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   316
						end
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parents: 47
diff changeset
   317
					end
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parents: 47
diff changeset
   318
				end
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   319
			else
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   320
					module:log("warn", "could not parse room log. room: %s; day: %s", bareRoomJid, year .. "/" .. month .. "/" .. day);
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parents: 47
diff changeset
   321
			end
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   322
			f:close();
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   323
		else
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   324
			ret = err;
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   325
		end
56
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   326
		tmp = html.day.body:gsub("###DAY_STUFF###", ret);
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   327
		tmp = tmp:gsub("###JID###", bareRoomJid);
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   328
		tmp = tmp:gsub("###YEAR###", year);
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   329
		tmp = tmp:gsub("###MONTH###", month);
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   330
		tmp = tmp:gsub("###DAY###", day);
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Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   331
		return tmp;
50
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   332
	else
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   333
		return generateDayListSiteContentByRoom(bareRoomJid); -- fallback
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   334
	end
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parents: 47
diff changeset
   335
end
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   336
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   337
function handle_request(method, body, request)
56
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   338
	module:log("debug", "got a request ...")
50
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   339
	local query = splitQuery(request.url.query);
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   340
	local node, host = grepRoomJid(request.url.path);
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Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   341
	
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   342
	if validateLogFolder() == false then
56
e9de45beaf5e mod_muc_log: templify the html stuff
Thilo Cestonaro <thilo@cestona.ro>
parents: 55
diff changeset
   343
		return createDoc(html.help);
50
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   344
	end
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   345
	if node ~= nil  and host ~= nil then
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   346
		local bare = node .. "@" .. host;
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   347
		if prosody.hosts[host] ~= nil and prosody.hosts[host].muc ~= nil and prosody.hosts[host].muc.rooms[bare] ~= nil then
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   348
			local room = prosody.hosts[host].muc.rooms[bare];
55
d9749ed44f6e mod_muc_log: make it recognize s2s messages/presences
Thilo Cestonaro <thilo@cestona.ro>
parents: 54
diff changeset
   349
			if request.url.query == nil then
d9749ed44f6e mod_muc_log: make it recognize s2s messages/presences
Thilo Cestonaro <thilo@cestona.ro>
parents: 54
diff changeset
   350
				return createDoc(generateDayListSiteContentByRoom(bare));
50
a96d3f37d845 mod_muclogging: with http_server part for viewing
Thilo Cestonaro <thilo@cestona.ro>
parents: 47
diff changeset
   351
			else
55
d9749ed44f6e mod_muc_log: make it recognize s2s messages/presences
Thilo Cestonaro <thilo@cestona.ro>
parents: 54
diff changeset
   352
				return createDoc(parseDay(bare, query));
50
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parents: 47
diff changeset
   353
			end
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   354
		else
55
d9749ed44f6e mod_muc_log: make it recognize s2s messages/presences
Thilo Cestonaro <thilo@cestona.ro>
parents: 54
diff changeset
   355
			module:log("warn", "room instance not found. bare room jid: %s", tostring(bare));
50
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parents: 47
diff changeset
   356
		end
a96d3f37d845 mod_muclogging: with http_server part for viewing
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parents: 47
diff changeset
   357
	else
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Thilo Cestonaro <thilo@cestona.ro>
parents: 47
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   358
		return createDoc(generateRoomListSiteContent());
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	end
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	return;
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   361
end
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   362
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config = config_get(module:get_host(), "core", "muc_log");
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module:log("debug", serialize(config));
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   365
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httpserver.new_from_config({ config.http_port or true }, handle_request, { base = "muc_log" });
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   367
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   368
module:hook("message/bare", logIfNeeded, 500);
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module:hook("pre-message/bare", logIfNeeded, 500);
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   370
module:hook("presence/full", logIfNeeded, 500);
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   371
module:hook("pre-presence/full", logIfNeeded, 500);