prosody-modules
08ffbbdafeea
mod_seclabels/mod_seclabels.lua

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mod_seclabels/mod_seclabels.lua @ 449:08ffbbdafeea

mod_seclabels: Fetch catalog from config.
author Kim Alvefur <zash@zash.se>
date Wed, 05 Oct 2011 21:00:12 +0200
parent 266:e7296274f48c
child 450:fb152d4af082
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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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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 default_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 local catalog_name, catalog_desc, labels;
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21 function get_conf()
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22 catalog_name = module:get_option_string("security_catalog_name", "Default");
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23 catalog_desc = module:get_option_string("security_catalog_desc", "My labels");
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24 labels = module:get_option("security_labels", default_labels);
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25 end
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26 module:hook("config-reloaded",get_conf);
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27 get_conf();
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29 module:hook("iq/self/"..xmlns_label_catalog..":catalog", function (request)
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30 local catalog_request = request.stanza.tags[1];
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31 local reply = st.reply(request.stanza)
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32 :tag("catalog", {
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33 xmlns = xmlns_label_catalog,
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34 to = catalog_request.attr.to,
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35 name = catalog_name,
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36 desc = catalog_desc
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37 });
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39 local function add_labels(catalog, labels, selector)
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40 for name, value in pairs(labels) do
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41 if value.label then
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42 catalog:tag("securitylabel", { xmlns = xmlns_label, selector = selector..name })
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43 :tag("displaymarking", {
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44 fgcolor = value.color or "black",
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45 bgcolor = value.bgcolor or "white",
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46 }):text(value.name or name):up()
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47 :tag("label");
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48 if type(value.label) == "string" then
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49 catalog:text(value.label);
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50 else
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51 catalog:add_child(value.label);
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52 end
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53 catalog:up():up();
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54 else
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55 add_labels(catalog, value, (selector or "")..name.."|");
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56 end
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57 end
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58 end
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59 add_labels(reply, labels);
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60 request.origin.send(reply);
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61 return true;
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62 end);