Mercurial > prosody-modules
annotate mod_password_policy/mod_password_policy.lua @ 4203:c4002aae4ad3
mod_s2s_keepalive: Use timestamp as iq @id
RFC 6120 implies that the id attribute must be unique within a stream.
This should fix problems with remote servers that enforce uniqueness and
don't answer duplicated ids.
If it doesn't do that, then at least you can get a guesstimate at
round-trip time from the difference between the result iq stanza and the
timestamp it was logged without having to go look for when it was sent,
or needing to keep state.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 14 Oct 2020 18:02:10 +0200 |
parents | 662f2722f745 |
children | 56eba4bca28f |
rev | line source |
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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 if #password < options.length then |
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21 return nil, ("Password is too short (minimum %d characters)"):format(options.length); |
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22 end |
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23 return true; |
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24 end |
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25 |
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26 function get_policy() |
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27 return options; |
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28 end |
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29 |
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30 function handler(event) |
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31 local origin, stanza = event.origin, event.stanza; |
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32 |
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33 if stanza.attr.type == "set" then |
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34 local query = stanza.tags[1]; |
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35 |
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36 local passwords = {}; |
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37 |
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38 local dataform = query:get_child("x", "jabber:x:data"); |
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39 if dataform then |
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40 for _,tag in ipairs(dataform.tags) do |
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41 if tag.attr.var == "password" then |
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42 table.insert(passwords, tag:get_child_text("value")); |
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43 end |
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44 end |
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45 end |
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46 |
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47 table.insert(passwords, query:get_child_text("password")); |
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48 |
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49 for _,password in ipairs(passwords) do |
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50 if password and not check_password(password) then |
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51 origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "Please use a longer password.")); |
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52 return true; |
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53 end |
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54 end |
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55 end |
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56 end |
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57 |
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58 module:hook("iq/self/jabber:iq:register:query", handler, 10); |
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59 module:hook("iq/host/jabber:iq:register:query", handler, 10); |
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60 module:hook("stanza/iq/jabber:iq:register:query", handler, 10); |