Mercurial > prosody-modules

annotate mod_seclabels/mod_seclabels.lua @ 4876:0f5f2d4475b9

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mod_http_xep227: Add support for import via APIs rather than direct store manipulation In particular this transitions PEP nodes and data to be imported via mod_pep's APIs, fixing issues with importing at runtime while PEP data may already be live in RAM. Next obvious candidate for this approach is rosters, so clients get immediate roster pushes and other special handling (such as emitting subscribes to reach the desired subscription state).
author Matthew Wild <mwild1@gmail.com>
date Tue, 18 Jan 2022 17:01:18 +0000
parents 7dbde05b48a9
children
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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 if stanza then
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15 stanza:tag('feature', {var=xmlns_label}):up();
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16 stanza:tag('feature', {var=xmlns_label_catalog}):up();
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17 end;
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18 end);
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19
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20 local default_labels = {
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21 {
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22 name = "Unclassified",
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23 label = true,
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24 default = true,
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25 },
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26 Classified = {
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27 SECRET = { color = "black", bgcolor = "aqua", label = "THISISSECRET" };
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28 PUBLIC = { label = "THISISPUBLIC" };
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29 };
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30 };
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31 local catalog_name = module:get_option_string("security_catalog_name", "Default");
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32 local catalog_desc = module:get_option_string("security_catalog_desc", "My labels");
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33 local labels = module:get_option("security_labels", default_labels);
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34
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35 function handle_catalog_request(request)
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36 local catalog_request = request.stanza.tags[1];
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37 local reply = st.reply(request.stanza)
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38 :tag("catalog", {
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39 xmlns = catalog_request.attr.xmlns,
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40 to = catalog_request.attr.to,
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41 name = catalog_name,
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42 desc = catalog_desc
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43 });
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44
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45 local function add_labels(catalog, labels, selector)
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46 local function add_item(item, name)
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47 local name = name or item.name;
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48 if item.label then
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49 if catalog_request.attr.xmlns == xmlns_label_catalog then
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50 catalog:tag("item", {
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51 selector = selector..name,
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52 default = item.default and "true" or nil,
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53 }):tag("securitylabel", { xmlns = xmlns_label })
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54 else -- COMPAT
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55 catalog:tag("securitylabel", {
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56 xmlns = xmlns_label,
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57 selector = selector..name,
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58 default = item.default and "true" or nil,
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59 })
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60 end
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61 if item.display or item.color or item.bgcolor then
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62 catalog:tag("displaymarking", {
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63 fgcolor = item.color,
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64 bgcolor = item.bgcolor,
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65 }):text(item.display or name):up();
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66 end
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67 if item.label == true then
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68 catalog:tag("label"):text(name):up();
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69 elseif type(item.label) == "string" then
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70 -- TODO Do we need anything other than XML parsing?
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71 if item.label:sub(1,1) == "<" then
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72 catalog:tag("label"):add_child(xml.parse(item.label)):up();
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73 else
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74 catalog:tag("label"):text(item.label):up();
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75 end
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76 elseif type(item.label) == "table" then
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77 catalog:tag("label"):add_child(item.label):up();
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78 end
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79 catalog:up();
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80 if catalog_request.attr.xmlns == xmlns_label_catalog then
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81 catalog:up();
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82 end
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83 else
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84 add_labels(catalog, item, (selector or "")..name.."|");
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85 end
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86 end
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87 for i = 1,#labels do
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88 add_item(labels[i])
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89 end
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90 for name, child in pairs(labels) do
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91 if type(name) == "string" then
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92 add_item(child, name)
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93 end
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94 end
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95 end
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96 -- TODO query remote servers
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97 --[[ FIXME later
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98 labels = module:fire_event("sec-label-catalog", {
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99 to = catalog_request.attr.to,
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100 request = request; -- or just origin?
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101 labels = labels;
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102 }) or labels;
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103 --]]
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104 add_labels(reply, labels, "");
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105 request.origin.send(reply);
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106 return true;
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107 end
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108 module:hook("iq/host/"..xmlns_label_catalog..":catalog", handle_catalog_request);
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109 module:hook("iq/self/"..xmlns_label_catalog..":catalog", handle_catalog_request); -- COMPAT
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110 module:hook("iq/self/"..xmlns_label_catalog_old..":catalog", handle_catalog_request); -- COMPAT