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mod_auth_token/mod_sasl_token.lua @ 4537:53ee391ca689
mod_smacks: Fix traceback due to session being destroyed in send()
Sending something can cause the OS to notice that the connection is dead
and then the connection can be dead at this point. More likely if
opportunistic_writes is enabled.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 01 Apr 2021 11:35:26 +0200 |
parent | 2956:d0ca211e1b0e |
rev | line source |
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2956
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New HMAC token authentication module for Prosody.
JC Brand <jc@opkode.com>
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1 -- Copyright (C) 2018 Minddistrict |
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2 -- |
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3 -- This file is MIT/X11 licensed. |
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4 -- |
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5 |
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6 local s_match = string.match; |
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7 local registerMechanism = require "util.sasl".registerMechanism; |
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8 local saslprep = require "util.encodings".stringprep.saslprep; |
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9 local nodeprep = require "util.encodings".stringprep.nodeprep; |
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10 local log = require "util.logger".init("sasl"); |
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11 local _ENV = nil; |
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12 |
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13 |
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14 local function token_auth(self, message) |
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15 if not message then |
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16 return "failure", "malformed-request"; |
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17 end |
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18 |
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19 local authorization, authentication, password = s_match(message, "^([^%z]*)%z([^%z]+)%z([^%z]+)"); |
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20 |
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21 if not authorization then |
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22 return "failure", "malformed-request"; |
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23 end |
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24 |
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25 -- SASLprep password and authentication |
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26 authentication = saslprep(authentication); |
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27 password = saslprep(password); |
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28 |
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29 if (not password) or (password == "") or (not authentication) or (authentication == "") then |
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30 log("debug", "Username or password violates SASLprep."); |
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31 return "failure", "malformed-request", "Invalid username or password."; |
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32 end |
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33 |
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34 local _nodeprep = self.profile.nodeprep; |
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35 if _nodeprep ~= false then |
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36 authentication = (_nodeprep or nodeprep)(authentication); |
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37 if not authentication or authentication == "" then |
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38 return "failure", "malformed-request", "Invalid username or password." |
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39 end |
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40 end |
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41 |
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42 local correct, state = false, false; |
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43 correct, state = self.profile.token(self, authentication, password, self.realm); |
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44 |
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45 self.username = authentication |
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46 if state == false then |
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47 return "failure", "account-disabled"; |
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48 elseif state == nil or not correct then |
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49 return "failure", "not-authorized", "Unable to authorize you with the authentication credentials you've sent."; |
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50 end |
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51 return "success"; |
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52 end |
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53 |
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54 registerMechanism("X-TOKEN", {"token"}, token_auth); |