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annotate mod_s2s_auth_monkeysphere/mod_s2s_auth_monkeysphere.lua @ 3110:06e07b483805

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mod_smacks: Convert max number into a string before inserting it into a stanza.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 08 Jun 2018 17:56:54 +0200
parents a100f4a720cb
children 8d1141025b43
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cfe360d9d82c mod_s2s_auth_monkeysphere: Uses Monkeysphere for certificate validation
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1 module:set_global();
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2
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3 local http_request = require"socket.http".request;
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4 local ltn12 = require"ltn12";
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5 local json = require"util.json";
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6 local json_encode, json_decode = json.encode, json.decode;
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7 local gettime = require"socket".gettime;
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8 local serialize = require"util.serialization".serialize;
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9 local have_async, async = pcall(require, "util.async");
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10
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11 local msva_url = assert(os.getenv"MONKEYSPHERE_VALIDATION_AGENT_SOCKET",
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12 "MONKEYSPHERE_VALIDATION_AGENT_SOCKET is unset, please set it").."/reviewcert";
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13
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14 if have_async then
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15 local _http_request = require "net.http".request;
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16 function http_request(url, ex)
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17 local wait, done = async.waiter();
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18 local content, code, request, response;
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19 _http_request(url, ex, function (_content, _code, _request, _response)
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20 content, code, request, response = _content, _code, _request, _response;
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21 done();
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22 end);
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23 wait();
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24 return content, code, request, response;
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25 end
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26 end
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27
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28 local function check_with_monkeysphere(event)
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29 local session, host, cert = event.session, event.host, event.cert;
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30 local result = {};
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31 local post_body = json_encode {
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32 peer = {
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33 name = host;
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34 type = "peer";
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35 };
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36 context = "https";
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37 -- context = "xmpp"; -- Monkeysphere needs to be extended to understand this
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38 pkc = {
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39 type = "x509pem";
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40 data = cert:pem();
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41 };
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42 }
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43 local req = {
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44 method = "POST";
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45 url = msva_url;
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46 headers = {
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47 ["Content-Type"] = "application/json";
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48 ["Content-Length"] = tostring(#post_body);
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49 };
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50 sink = ltn12.sink.table(result);
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51 source = ltn12.source.string(post_body);
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52 };
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53 session.log("debug", "Asking what Monkeysphere thinks about this certificate");
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54 local starttime = gettime();
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55 local ok, code = http_request(req);
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56 module:log("debug", "Request took %fs", gettime() - starttime);
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57 local body = table.concat(result);
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58 if ok and code == 200 and body then
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59 body = json_decode(body);
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60 if body then
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61 session.log(body.valid and "info" or "warn", "Monkeysphere thinks the cert is %salid: %s", body.valid and "V" or "Inv", body.message);
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62 if body.valid then
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63 session.cert_chain_status = "valid";
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64 session.cert_identity_status = "valid";
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65 return true;
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66 end
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67 end
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68 else
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69 module:log("warn", "Request failed: %s, %s", tostring(code), tostring(body));
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70 module:log("debug", serialize(req));
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71 end
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72 end
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73
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74 module:hook("s2s-check-certificate", check_with_monkeysphere);