prosody-modules
da151f9af861
mod_auth_oauthbearer/mod_auth_oauthbearer.lua

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mod_auth_oauthbearer/mod_auth_oauthbearer.lua @ 4980:da151f9af861

replaced 'session' with 'origin' in push_disable session is not defined in this function, trying to access it leads to an error. The correct reference seems to be 'origin'. (This may have come about by copying from the similar code in process_stanza_queue.)
author arcseconds
date Sat, 30 Jul 2022 21:07:47 +1200
parent 3115:d2bf9c8be3a3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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);