prosody
e9ea5c88def0
plugins/mod_tokenauth.lua

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plugins/mod_tokenauth.lua @ 12493:e9ea5c88def0

mod_s2s: Don't bounce queued error stanzas (thanks Martin) The check for the type attr was lost in 11765f0605ec leading to attempts to create error replies for error stanzas, which util.stanza rejects. Tested by sending <message to="reject.badxmpp.eu" type="error"><error/></message> which produced a traceback previously.
author Kim Alvefur <zash@zash.se>
date Sat, 07 May 2022 13:01:49 +0200
parent 10675:5efd6865486c
child 12649:86e1187f6274
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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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5efd6865486c mod_tokenauth: Track creation time of tokens
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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