prosody-modules
ca3c2d11823c
mod_auth_oauthbearer/mod_auth_oauthbearer.lua

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mod_auth_oauthbearer/mod_auth_oauthbearer.lua @ 5571:ca3c2d11823c

mod_pubsub_feeds: Track latest timestamp seen in feeds instead of last poll This should ensure that an entry that has a publish timestmap after the previously oldest post, but before the time of the last poll check, is published to the node. Previously if an entry would be skipped if it was published at 13:00 with a timestamp of 12:30, where the last poll was at 12:45. For feeds that lack a timestamp, it now looks for the first post that is not published, assuming that the feed is in reverse chronological order, then iterates back up from there.
author Kim Alvefur <zash@zash.se>
date Sun, 25 Jun 2023 16:27:55 +0200
parent 3115:d2bf9c8be3a3
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1 local host = module.host;
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2 local log = module._log;
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3 local new_sasl = require "util.sasl".new;
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4 local base64 = require "util.encodings".base64.encode;
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5
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6 local provider = {};
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7
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8 local oauth_client_id = module:get_option_string("oauth_client_id", "");
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9 local oauth_client_secret = module:get_option_string("oauth_client_secret", "");
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10 local oauth_url = module:get_option_string("oauth_url", "");
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11
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12 if oauth_client_id == "" then error("oauth_client_id required") end
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13 if oauth_client_secret == "" then error("oauth_client_secret required") end
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14 if oauth_url == "" then error("oauth_url required") end
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15
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16 -- globals required by socket.http
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17 if rawget(_G, "PROXY") == nil then
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18 rawset(_G, "PROXY", false)
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19 end
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20 if rawget(_G, "base_parsed") == nil then
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21 rawset(_G, "base_parsed", false)
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22 end
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23
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24 local function interp(s, tab)
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25 -- String interpolation, so that we can make the oauth_url configurable
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26 -- e.g. oauth_url = "https://api.github.com/applications/{{oauth_client_id}}/tokens/{{password}}";
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27 --
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28 -- See: http://lua-users.org/wiki/StringInterpolation
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29 return (s:gsub('(%b{})', function(w) return tab[w:sub(3, -3)] or w end))
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30 end
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31
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32 function provider.test_password(username, password, realm)
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33 log("debug", "Testing signed OAuth2 for user %s at realm %s", username, realm);
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34 local https = require "ssl.https";
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35 local url = interp(oauth_url, {oauth_client_id = oauth_client_id, password = password});
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36
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37 module:log("debug", "The URL is: "..url);
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38 local _, code, headers, status = https.request{
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39 url = url,
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40 headers = {
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41 Authorization = "Basic "..base64(oauth_client_id..":"..oauth_client_secret);
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42 }
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43 };
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44 if type(code) == "number" and code >= 200 and code <= 299 then
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45 module:log("debug", "OAuth provider confirmed valid password");
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46 return true;
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47 else
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48 module:log("debug", "OAuth provider returned status code: "..code);
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49 end
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50 module:log("warn", "Auth failed. Invalid username/password or misconfiguration.");
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51 return nil;
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52 end
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53
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54 function provider.users()
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55 return function()
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56 return nil;
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57 end
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58 end
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59
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60 function provider.set_password(username, password)
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61 return nil, "Changing passwords not supported";
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62 end
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63
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64 function provider.user_exists(username)
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65 return true;
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66 end
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67
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68 function provider.create_user(username, password)
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69 return nil, "User creation not supported";
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70 end
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71
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72 function provider.delete_user(username)
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73 return nil , "User deletion not supported";
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74 end
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75
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76 function provider.get_sasl_handler()
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77 local supported_mechanisms = {};
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78 supported_mechanisms["OAUTHBEARER"] = true;
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79 return new_sasl(host, {
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80 oauthbearer = function(sasl, username, password, realm)
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81 return provider.test_password(username, password, realm), true;
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82 end,
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83 mechanisms = supported_mechanisms
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84 });
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85 end
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86
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87 module:provides("auth", provider);