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mod_password_policy/mod_password_policy.lua @ 3503:882180b459a0
mod_pubsub_post: Restructure authentication and authorization (BC)
This deprecates the default "superuser" actor model and makes the
default equivalent to the previous "request.id".
A single actor and secret per node is supported because HTTP and
WebHooks don't normally include any authorization identity.
Allowing authentication bypass when no secret is given should be
relatively safe when the actor is unprivileged, as will be unless
explicitly configured otherwise.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 30 Mar 2019 21:16:13 +0100 |
parent | 3351:662f2722f745 |
child | 4828:56eba4bca28f |
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); |