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annotate mod_seclabels/mod_seclabels.lua @ 1286:9700c89f7bf6

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mod_manifesto: Fix traceback when user doesn't have a roster (?)
author Matthew Wild <mwild1@gmail.com>
date Thu, 23 Jan 2014 20:27:14 +0000
parents 020b5944a973
children 2df312eb816d
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1 local st = require "util.stanza";
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2 local xml = require "util.xml";
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3
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4 local xmlns_label = "urn:xmpp:sec-label:0";
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5 local xmlns_label_catalog = "urn:xmpp:sec-label:catalog:2";
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6 local xmlns_label_catalog_old = "urn:xmpp:sec-label:catalog:0"; -- COMPAT
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7
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8 module:add_feature(xmlns_label);
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9 module:add_feature(xmlns_label_catalog);
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10 module:add_feature(xmlns_label_catalog_old);
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11
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12 module:hook("account-disco-info", function(event) -- COMPAT
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13 local stanza = event.stanza;
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14 stanza:tag('feature', {var=xmlns_label}):up();
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15 stanza:tag('feature', {var=xmlns_label_catalog}):up();
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16 end);
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17
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18 local default_labels = {
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19 {
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20 name = "Unclassified",
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21 label = true,
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22 default = true,
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23 },
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24 Classified = {
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25 SECRET = { color = "black", bgcolor = "aqua", label = "THISISSECRET" };
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26 PUBLIC = { label = "THISISPUBLIC" };
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27 };
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28 };
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29 local catalog_name = module:get_option_string("security_catalog_name", "Default");
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30 local catalog_desc = module:get_option_string("security_catalog_desc", "My labels");
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31 local labels = module:get_option("security_labels", default_labels);
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32
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33 function handle_catalog_request(request)
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34 local catalog_request = request.stanza.tags[1];
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35 local reply = st.reply(request.stanza)
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36 :tag("catalog", {
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37 xmlns = catalog_request.attr.xmlns,
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38 to = catalog_request.attr.to,
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39 name = catalog_name,
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40 desc = catalog_desc
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41 });
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43 local function add_labels(catalog, labels, selector)
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44 local function add_item(item, name)
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45 local name = name or item.name;
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46 if item.label then
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47 if catalog_request.attr.xmlns == xmlns_label_catalog then
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48 catalog:tag("item", {
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49 selector = selector..name,
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50 default = item.default and "true" or nil,
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51 }):tag("securitylabel", { xmlns = xmlns_label })
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52 else -- COMPAT
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53 catalog:tag("securitylabel", {
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54 xmlns = xmlns_label,
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55 selector = selector..name,
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56 default = item.default and "true" or nil,
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57 })
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58 end
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59 if item.display or item.color or item.bgcolor then
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60 catalog:tag("displaymarking", {
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61 fgcolor = item.color,
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62 bgcolor = item.bgcolor,
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63 }):text(item.display or name):up();
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64 end
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65 if item.label == true then
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66 catalog:tag("label"):text(name):up();
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67 elseif type(item.label) == "string" then
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68 -- TODO Do we need anything other than XML parsing?
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69 if item.label:sub(1,1) == "<" then
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70 catalog:tag("label"):add_child(xml.parse(item.label)):up();
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71 else
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72 catalog:tag("label"):text(item.label):up();
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73 end
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74 elseif type(item.label) == "table" then
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75 catalog:tag("label"):add_child(item.label):up();
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76 end
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77 catalog:up();
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78 if catalog_request.attr.xmlns == xmlns_label_catalog then
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79 catalog:up();
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80 end
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81 else
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82 add_labels(catalog, item, (selector or "")..name.."|");
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83 end
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84 end
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85 for i = 1,#labels do
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86 add_item(labels[i])
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87 end
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88 for name, child in pairs(labels) do
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89 if type(name) == "string" then
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90 add_item(child, name)
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91 end
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92 end
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93 end
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94 -- TODO query remote servers
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95 --[[ FIXME later
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96 labels = module:fire_event("sec-label-catalog", {
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97 to = catalog_request.attr.to,
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98 request = request; -- or just origin?
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99 labels = labels;
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100 }) or labels;
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101 --]]
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102 add_labels(reply, labels, "");
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103 request.origin.send(reply);
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104 return true;
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105 end
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106 module:hook("iq/host/"..xmlns_label_catalog..":catalog", handle_catalog_request);
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107 module:hook("iq/self/"..xmlns_label_catalog..":catalog", handle_catalog_request); -- COMPAT
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108 module:hook("iq/self/"..xmlns_label_catalog_old..":catalog", handle_catalog_request); -- COMPAT