Mercurial > prosody-modules
annotate mod_password_policy/mod_password_policy.lua @ 2854:687b19cad4f5
mod_storage_xmlarchive/README: Add description of how data is stored
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 28 Dec 2017 22:30:56 +0100 |
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); |