prosody-modules
854a3933cfcd
mod_password_policy/mod_password_policy.lua

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mod_password_policy/mod_password_policy.lua @ 1268:854a3933cfcd

mod_muc_log_http: URL-encode room names. This allows special characters in room names to work. Ideally this escaping shouldn’t be done in the user visible content, but the module’s template system doesn’t currently allow that.
author Waqas Hussain <waqas20@gmail.com>
date Sat, 04 Jan 2014 16:50:57 -0500
parent 845:1c14edca74a4
child 3350: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);