prosody-modules
8eae74a31acb
mod_seclabels/mod_seclabels.lua

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mod_seclabels/mod_seclabels.lua @ 252:8eae74a31acb

mod_seclabels: Prototype security labels plugin
author Matthew Wild <mwild1@gmail.com>
date Mon, 20 Sep 2010 21:10:49 +0100
child 266:e7296274f48c
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252
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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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7
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8 local labels = {
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9 Classified = {
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10 SECRET = { color = "black", bgcolor = "aqua", label = "THISISSECRET" };
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11 PUBLIC = { label = "THISISPUBLIC" };
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12 };
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13 };
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14
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15 module:hook("iq/self/"..xmlns_label_catalog..":catalog", function (request)
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16 local catalog_request = request.stanza.tags[1];
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17 local reply = st.reply(request.stanza)
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18 :tag("catalog", {
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19 xmlns = xmlns_label_catalog,
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20 to = catalog_request.attr.to,
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21 name = "Default",
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22 desc = "My labels"
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23 });
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24
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25 local function add_labels(catalog, labels, selector)
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26 for name, value in pairs(labels) do
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27 if value.label then
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28 catalog:tag("securitylabel", { xmlns = xmlns_label, selector = selector..name })
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29 :tag("displaymarking", {
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30 fgcolor = value.color or "black",
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31 bgcolor = value.bgcolor or "white",
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32 }):text(value.name or name):up()
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33 :tag("label");
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34 if type(value.label) == "string" then
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35 catalog:text(value.label);
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36 else
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37 catalog:add_child(value.label);
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38 end
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39 catalog:up():up();
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40 else
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41 add_labels(catalog, value, (selector or "")..name.."|");
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42 end
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43 end
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44 end
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45 add_labels(reply, labels);
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46 request.origin.send(reply);
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47 return true;
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48 end);