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annotate mod_measure_message_e2ee/mod_measure_message_e2ee.lua @ 3216:5d35e6b409e0

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mod_http_upload_external: share.php: Use hash_equals() if available to protect against timing attack
author Matthew Wild <mwild1@gmail.com>
date Tue, 07 Aug 2018 19:12:52 +0100
parents 178ebea5097c
children c414a7e884b3
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178ebea5097c mod_measure_message_e2ee: Get statistics about message encryption status.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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1 module:set_global();
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2
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3 local count_message = module:measure("message", "rate");
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4 local count_plain = module:measure("plain", "rate");
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5 local count_openpgp = module:measure("openpgp", "rate");
178ebea5097c mod_measure_message_e2ee: Get statistics about message encryption status.
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6 local count_otr = module:measure("otr", "rate");
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7 local count_ox = module:measure("ox", "rate");
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8 local count_omemo = module:measure("omemo", "rate");
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9 local count_encrypted = module:measure("encrypted", "rate");
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10
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11 local function message_handler(event)
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12 local origin, stanza = event.origin, event.stanza;
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13
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14 -- This counts every message, even those with no body-like content.
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15 count_message();
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16
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17 -- Annotates that a message is encrypted, using any of the following methods.
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18 if stanza:get_child("encryption", "urn:xmpp:eme:0") then
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19 count_encrypted();
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20 end
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21
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22 if stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then
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23 count_ox();
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24 return;
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25 end
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26
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27 if stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") then
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28 count_omemo();
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29 return;
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30 end
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31
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32 if stanza:get_child("x", "jabber:x:encrypted") then
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33 count_openpgp();
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34 return;
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35 end
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36
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37 local body = stanza:get_child("body");
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38 if body ~= nil then
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39 local otr_index = body:find("?OTR", 1, true);
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40 if otr_index == 1 then
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41 count_otr();
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42 return;
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43 end
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44
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45 count_plain();
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46 end
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47 end
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48
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49 function module.add_host(host_module)
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50 module:log("debug", "Loaded on host %s", host_module);
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51 host_module:hook("pre-message/host", message_handler, 2);
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52 host_module:hook("pre-message/bare", message_handler, 2);
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53 host_module:hook("pre-message/full", message_handler, 2);
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54 end