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annotate mod_seclabels/mod_seclabels.lua @ 322:637dc0a04052

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mod_pubsub_feed: Implement PubSubHubbub subscriber
author Kim Alvefur <zash@zash.se>
date Mon, 31 Jan 2011 03:37:16 +0100
parents e7296274f48c
children 08ffbbdafeea
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8eae74a31acb mod_seclabels: Prototype security labels plugin
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1 local st = require "util.stanza";
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2
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3 local xmlns_label = "urn:xmpp:sec-label:0";
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4 local xmlns_label_catalog = "urn:xmpp:sec-label:catalog:0";
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5
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6 module:add_feature(xmlns_label);
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8 module:hook("account-disco-info", function(event)
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9 local stanza = event.stanza;
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10 stanza:tag('feature', {var=xmlns_label}):up();
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11 stanza:tag('feature', {var=xmlns_label_catalog}):up();
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12 end);
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13
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14 local labels = {
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15 Classified = {
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16 SECRET = { color = "black", bgcolor = "aqua", label = "THISISSECRET" };
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17 PUBLIC = { label = "THISISPUBLIC" };
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18 };
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19 };
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20
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21 module:hook("iq/self/"..xmlns_label_catalog..":catalog", function (request)
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22 local catalog_request = request.stanza.tags[1];
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23 local reply = st.reply(request.stanza)
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24 :tag("catalog", {
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25 xmlns = xmlns_label_catalog,
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26 to = catalog_request.attr.to,
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27 name = "Default",
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28 desc = "My labels"
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29 });
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30
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31 local function add_labels(catalog, labels, selector)
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32 for name, value in pairs(labels) do
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33 if value.label then
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34 catalog:tag("securitylabel", { xmlns = xmlns_label, selector = selector..name })
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35 :tag("displaymarking", {
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36 fgcolor = value.color or "black",
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37 bgcolor = value.bgcolor or "white",
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38 }):text(value.name or name):up()
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39 :tag("label");
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40 if type(value.label) == "string" then
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41 catalog:text(value.label);
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42 else
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43 catalog:add_child(value.label);
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44 end
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45 catalog:up():up();
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46 else
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47 add_labels(catalog, value, (selector or "")..name.."|");
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48 end
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49 end
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50 end
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51 add_labels(reply, labels);
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52 request.origin.send(reply);
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53 return true;
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54 end);