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annotate mod_http_auth_check/mod_http_auth_check.lua @ 4565:3b2ae854842c

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mod_muc_bot: Save occupant to room This has some side-effects: Firstly, the bot shows up in occupant list, which is nice. Secondly, the bot starts receiving messages from the room which might be wanted, but it would be better to join the room for real in this case.
author Kim Alvefur <zash@zash.se>
date Sat, 10 Apr 2021 19:23:25 +0200
parents 5ca6d53d3186
children
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16e9f37b3f82 mod_http_auth_check: New HTTP module to test user credentials
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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 response.headers.www_authenticate = ("Basic realm=%q"):format(realm);
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18 return 401
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19 end
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20 local from_jid, password = b64_decode(headers.authorization:match"[^ ]*$"):match"([^:]*):(.*)";
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21 from_jid = jid_prep(from_jid);
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22 password = saslprep(password);
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23 if from_jid and password then
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24 local user, host = jid_split(from_jid);
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25 local ok, err = test_password(user, host, password);
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26 if ok and user and host then
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27 return 200
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28 elseif err then
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29 return 401
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30 end
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31 end
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32 end
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33
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34 module:provides("http", {
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35 route = {
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36 GET = authenticate
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37 };
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38 });