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annotate mod_http_auth_check/mod_http_auth_check.lua @ 5472:b80b6947b079

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mod_http_oauth2: Always show early errors to user Before having validated the client_id, communicating an error back to the client via redirect would make this an open redirect, so we may just as well skip past that logic, and especially the warning log message.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:43:17 +0200
parents 5ca6d53d3186
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 });