annotate mod_auth_token/mod_sasl_token.lua @ 3127:36770ae1148f

mod_prometheus: Don’t shadow variables. [luacheck]
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 21 Jun 2018 22:14:12 +0200
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children
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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);