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annotate plugins/mod_tokenauth.lua @ 11628:0807e835d3b5

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mod_external_services: Report overall status as a module status Because during startup, if all items are provided by a different module (e.g. mod_turn_external) then this would log a scary warning even if everything is fine after that other module has been loaded. This way, any persistent problematic state is reported in the console. Errors with individual items should still be reported by prepare(). Now, if you load mod_external_services alone without configuring any services, no error or warning is reported in the log, but maybe that's not so bad with it reported in the console.
author Kim Alvefur <zash@zash.se>
date Mon, 21 Jun 2021 22:43:26 +0200
parents 5efd6865486c
children 86e1187f6274
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1 local id = require "util.id";
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2 local jid = require "util.jid";
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3 local base64 = require "util.encodings".base64;
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4
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5 local token_store = module:open_store("auth_tokens", "map");
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6
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7 function create_jid_token(actor_jid, token_jid, token_scope, token_ttl)
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8 token_jid = jid.prep(token_jid);
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9 if not actor_jid or token_jid ~= actor_jid and not jid.compare(token_jid, actor_jid) then
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10 return nil, "not-authorized";
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11 end
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12
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13 local token_username, token_host, token_resource = jid.split(token_jid);
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14
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15 if token_host ~= module.host then
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16 return nil, "invalid-host";
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17 end
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18
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19 local token_info = {
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20 owner = actor_jid;
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21 created = os.time();
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22 expires = token_ttl and (os.time() + token_ttl) or nil;
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23 jid = token_jid;
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24 session = {
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25 username = token_username;
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26 host = token_host;
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27 resource = token_resource;
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28
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29 auth_scope = token_scope;
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30 };
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31 };
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32
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33 local token_id = id.long();
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34 local token = base64.encode("1;"..jid.join(token_username, token_host)..";"..token_id);
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35 token_store:set(token_username, token_id, token_info);
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36
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37 return token, token_info;
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38 end
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39
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40 local function parse_token(encoded_token)
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41 local token = base64.decode(encoded_token);
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42 if not token then return nil; end
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43 local token_jid, token_id = token:match("^1;([^;]+);(.+)$");
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44 if not token_jid then return nil; end
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45 local token_user, token_host = jid.split(token_jid);
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46 return token_id, token_user, token_host;
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47 end
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48
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49 function get_token_info(token)
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50 local token_id, token_user, token_host = parse_token(token);
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51 if not token_id then
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52 return nil, "invalid-token-format";
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53 end
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54 if token_host ~= module.host then
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55 return nil, "invalid-host";
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56 end
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57
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58 local token_info, err = token_store:get(token_user, token_id);
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59 if not token_info then
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60 if err then
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61 return nil, "internal-error";
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62 end
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63 return nil, "not-authorized";
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64 end
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65
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66 if token_info.expires and token_info.expires < os.time() then
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67 return nil, "not-authorized";
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68 end
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69
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70 return token_info
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71 end
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72
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73 function revoke_token(token)
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74 local token_id, token_user, token_host = parse_token(token);
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75 if not token_id then
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76 return nil, "invalid-token-format";
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77 end
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78 if token_host ~= module.host then
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79 return nil, "invalid-host";
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80 end
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81 return token_store:set(token_user, token_id, nil);
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82 end