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annotate mod_webpresence/mod_webpresence.in.lua @ 234:abcb59ab355c

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Add new motd_sequential module. This module lets you define numbered messages shown to each user in order, but only once per user, and persistent across server restarts. Useful for notifying users of added features and changes in an incremental fashion.
author Jeff Mitchell <jeffrey.mitchell@gmail.com>
date Wed, 04 Aug 2010 22:29:51 +0000
parents 63080b8973ee
children
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1 local jid_split = require "util.jid".prepped_split;
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2
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3 if not require_resource then
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4 function require_resource(name)
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5 local f = io.open((config.get("*", "core", "presence_icons") or "")..name);
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6 if f then
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7 return f:read("*a");
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8 end
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9 module:log("warn", "Failed to open image file %s", (config.get("*", "core", "presence_icons") or "")..name);
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10 return "";
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11 end
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12 end
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14 local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" };
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16 local statuses = { "online", "away", "xa", "dnd", "chat", "offline" };
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18 for _, status in ipairs(statuses) do
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19 statuses[status] = { status = "200 OK", headers = { ["Content-Type"] = "image/png" },
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20 body = require_resource("icons/status_"..status..".png") };
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21 end
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23 local function handle_request(method, body, request)
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24 local jid = request.url.path:match("[^/]+$");
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25 if jid then
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26 local user, host = jid_split(jid);
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27 if host and not user then
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28 user, host = host, request.headers.host;
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29 if host then host = host:gsub(":%d+$", ""); end
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30 end
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31 if user and host then
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32 local user_sessions = hosts[host] and hosts[host].sessions[user];
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33 if user_sessions then
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34 local status = user_sessions.top_resources[1];
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35 if status and status.presence then
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36 status = status.presence:child_with_name("show");
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37 if not status then
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38 status = "online";
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39 else
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40 status = status:get_text();
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41 end
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42 return statuses[status];
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43 end
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44 end
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45 end
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46 end
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47 return statuses.offline;
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48 end
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50 local ports = config.get(module.host, "core", "http_ports") or { 5280 };
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51 require "net.httpserver".new_from_config(ports, "status", handle_request);