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annotate mod_auth_token/mod_auth_token.lua @ 3333:5be90562e14b

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author Matthew Wild <mwild1@gmail.com>
date Thu, 27 Sep 2018 11:55:35 +0100
parents d0ca211e1b0e
children 0fb12a4b6106
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d0ca211e1b0e New HMAC token authentication module for Prosody.
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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 host = module.host;
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7 local log = module._log;
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8 local new_sasl = require "util.sasl".new;
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9 local verify_token = module:require "token_auth_utils".verify_token;
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10
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11 local provider = {};
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12
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13
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14 function provider.test_password(username, password, realm)
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15 log("debug", "Testing signed OTP for user %s at host %s", username, host);
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16 return verify_token(
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17 username,
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18 password,
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19 realm,
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20 module:get_option_string("otp_seed"),
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21 module:get_option_string("token_secret"),
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22 log
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23 );
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24 end
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25
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26 function provider.users()
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27 return function()
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28 return nil;
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29 end
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30 end
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31
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32 function provider.set_password(username, password)
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33 return nil, "Changing passwords not supported";
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34 end
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35
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36 function provider.user_exists(username)
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37 return true;
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38 end
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39
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40 function provider.create_user(username, password)
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41 return nil, "User creation not supported";
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42 end
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43
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44 function provider.delete_user(username)
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45 return nil , "User deletion not supported";
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46 end
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47
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48 function provider.get_sasl_handler()
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49 local supported_mechanisms = {};
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50 supported_mechanisms["X-TOKEN"] = true;
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51 return new_sasl(host, {
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52 token = function(sasl, username, password, realm)
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53 return provider.test_password(username, password, realm), true;
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54 end,
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55 mechanisms = supported_mechanisms
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56 });
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57 end
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58
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59 module:provides("auth", provider);