prosody-modules
fa3059e653fa
mod_auth_token/mod_sasl_token.lua

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mod_auth_token/mod_sasl_token.lua @ 5186:fa3059e653fa

mod_http_oauth2: Implement the Implicit flow Everyone says this is insecure and bad, but it's also the only thing that makes sense for e.g. pure JavaScript clients, but hey implement this even more complicated thing instead!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:06:50 +0100
parent 2956:d0ca211e1b0e
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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);