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annotate mod_webpresence/mod_webpresence.lua @ 869:ec791fd8ce87

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author Rob Hoelz <rob@hoelz.ro>
date Mon, 10 Dec 2012 22:14:28 +0100
parents 1c9a3454eb43
children 432dc4056114
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1 module:depends("http");
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2
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3 local jid_split = require "util.jid".prepped_split;
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4 local b64 = require "util.encodings".base64.encode;
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5 local sha1 = require "util.hashes".sha1;
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7 local function require_resource(name)
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8 local icon_path = module:get_option_string("presence_icons", "icons");
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9 local f, err = module:load_resource(icon_path.."/"..name);
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10 if f then
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11 return f:read("*a");
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12 end
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13 module:log("warn", "Failed to open image file %s", icon_path..name);
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14 return "";
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15 end
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16
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17 local statuses = { online = {}, away = {}, xa = {}, dnd = {}, chat = {}, offline = {} };
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18 --[[for status, _ in pairs(statuses) do
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19 statuses[status].image = { status_code = 200, headers = { content_type = "image/png" },
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20 body = require_resource("status_"..status..".png") };
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21 statuses[status].text = { status_code = 200, headers = { content_type = "text/plain" },
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22 body = status };
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23 end]]
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24
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25 local function handle_request(event, path)
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26 local status, message;
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27 local jid, type = path:match("([^/]+)/?(.*)$");
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28 if jid then
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29 local user, host = jid_split(jid);
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30 if host and not user then
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31 user, host = host, event.request.headers.host;
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32 if host then host = host:gsub(":%d+$", ""); end
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33 end
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34 if user and host then
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35 local user_sessions = hosts[host] and hosts[host].sessions[user];
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36 if user_sessions then
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37 status = user_sessions.top_resources[1];
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38 if status and status.presence then
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39 message = status.presence:child_with_name("status");
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40 status = status.presence:child_with_name("show");
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41 if not status then
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42 status = "online";
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43 else
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44 status = status:get_text();
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45 end
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46 if message then
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47 message = message:get_text();
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48 end
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49 end
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50 end
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51 end
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52 end
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53 status = status or "offline";
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54 if type == "" then type = "image" end;
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55 if type == "image" then
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56 statuses[status].image = { status_code = 200, headers = { content_type = "image/png" },
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57 body = require_resource("status_"..status..".png") };
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58 elseif type == "html" then
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59 local jid_hash = sha1(jid, true);
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60 statuses[status].html = { status_code = 200, headers = { content_type = "text/html" },
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61 body = [[<div id="]]..jid_hash..[[_status" class="xmpp_status">]]..
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62 [[<img id="]]..jid_hash..[[_img" class="xmpp_status_image" ]]..
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63 [[src="data:image/png;base64,]]..
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64 b64(require_resource("status_"..status..".png"))..[[">]]..
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65 [[<span id="]]..jid_hash..[[_name" ]]..
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66 [[class="xmpp_status_name">]]..status..[[</span>]]..
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67 (message and [[<span id="]]..jid_hash..[[_message" ]]..
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68 [[class="xmpp_status_message">]]..message..[[</span>]] or "")..
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69 [[</div>]] };
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70 elseif type == "text" then
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71 statuses[status].text = { status_code = 200, headers = { content_type = "text/plain" },
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72 body = status };
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73 elseif type == "message" then
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74 statuses[status].message = { status_code = 200, headers = { content_type = "text/plain" },
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75 body = (message and message or "") };
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76 end
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77 return statuses[status][type];
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78 end
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79
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80 module:provides("http", {
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81 default_path = "/status";
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82 route = {
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83 ["GET /*"] = handle_request;
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84 };
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85 });