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mod_http_auth_check/mod_http_auth_check.lua @ 2884:16e9f37b3f82

mod_http_auth_check: New HTTP module to test user credentials
author Nicolas Cedilnik <nicoco@nicoco.fr>
date Tue, 20 Feb 2018 12:57:44 +0000
child 2886:5ca6d53d3186
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1 -- HTTP Is User Valid
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2 -- By Nicolas Cedilnik <nicoco@nicoco.fr>
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3
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4 local jid_prep = require "util.jid".prep;
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5 local jid_split = require "util.jid".split;
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6 local test_password = require "core.usermanager".test_password;
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7 local b64_decode = require "util.encodings".base64.decode;
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8 local saslprep = require "util.encodings".stringprep.saslprep;
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9 local realm = module:get_host() .. "/" .. module:get_name();
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10 module:depends"http";
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11
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12 local function authenticate (event, path)
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13 local request = event.request;
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14 local response = event.response;
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15 local headers = request.headers;
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16 if not headers.authorization then
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17 return 400
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18 end
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19 local from_jid, password = b64_decode(headers.authorization:match"[^ ]*$"):match"([^:]*):(.*)";
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20 from_jid = jid_prep(from_jid);
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21 password = saslprep(password);
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22 if from_jid and password then
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23 local user, host = jid_split(from_jid);
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24 local ok, err = test_password(user, host, password);
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25 if ok and user and host then
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26 return 200
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27 elseif err then
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28 return 401
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29 end
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30 end
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31 end
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32
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33 module:provides("http", {
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34 route = {
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35 GET = authenticate
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36 };
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37 });