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annotate mod_password_policy/mod_password_policy.lua @ 2670:6e01878103c0

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mod_smacks: Ignore user when writing or reading session_cache on prosody 0.9 At least under some circumstances it seems that session.username is nil when a user tries to resume his session in prosody 0.9. The username is not relevant when no limiting is done (limiting the number of entries in the session cache is only possible in prosody 0.10), so this commit removes the usage of the username when accessing the prosody 0.9 session cache.
author tmolitor <thilo@eightysoft.de>
date Thu, 06 Apr 2017 02:12:14 +0200
parents 1c14edca74a4
children cb26d04b391c
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1 -- Password policy enforcement for Prosody
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2 --
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3 -- Copyright (C) 2012 Waqas Hussain
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4 --
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5 --
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6 -- Configuration:
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7 -- password_policy = {
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8 -- length = 8;
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9 -- }
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10
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11
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12 local options = module:get_option("password_policy");
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13
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14 options = options or {};
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15 options.length = options.length or 8;
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16
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17 local st = require "util.stanza";
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18
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19 function check_password(password)
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20 return #password >= options.length;
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21 end
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22
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23 function handler(event)
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24 local origin, stanza = event.origin, event.stanza;
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25
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26 if stanza.attr.type == "set" then
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27 local query = stanza.tags[1];
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28
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29 local passwords = {};
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30
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31 local dataform = query:get_child("x", "jabber:x:data");
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32 if dataform then
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33 for _,tag in ipairs(dataform.tags) do
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34 if tag.attr.var == "password" then
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35 table.insert(passwords, tag:get_child_text("value"));
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36 end
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37 end
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38 end
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39
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40 table.insert(passwords, query:get_child_text("password"));
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41
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42 for _,password in ipairs(passwords) do
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43 if password and not check_password(password) then
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44 origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "Please use a longer password."));
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45 return true;
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46 end
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47 end
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48 end
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49 end
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50
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51 module:hook("iq/self/jabber:iq:register:query", handler, 10);
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52 module:hook("iq/host/jabber:iq:register:query", handler, 10);
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53 module:hook("stanza/iq/jabber:iq:register:query", handler, 10);