prosody-modules
e714be00aaad
mod_auth_token/test_token_auth.lua

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mod_auth_token/test_token_auth.lua @ 3312:e714be00aaad

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author Kim Alvefur <zash@zash.se>
date Mon, 10 Sep 2018 15:04:03 +0200
parent 2956:d0ca211e1b0e
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rev   line source
2956
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1 local base64 = require "util.encodings".base64;
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2 local hmac = require "openssl.hmac";
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3 local luatz = require "luatz";
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4 local luaunit = require "luaunit";
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5 local uuid = require "uuid";
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6 local otp = require "otp";
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7 local mock = require "mock";
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8 local pkey = require "openssl.pkey";
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9 local token_utils = dofile("token_auth_utils.lib.lua");
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10
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11 math.randomseed(os.time())
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12
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13 local OTP_SEED = 'E3W374VRSFO4NVKE';
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14
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15
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16 function generate_token(jid, key)
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17 local nonce = '';
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18 for i=1,32 do
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19 nonce = nonce..math.random(9);
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20 end
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21 local utc_time_table = luatz.gmtime(luatz.time());
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22 local totp = otp.new_totp_from_key(
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23 OTP_SEED,
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24 token_utils.OTP_DIGITS,
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25 token_utils.OTP_INTERVAL
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26 ):generate(0, utc_time_table);
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27
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28 local hmac_ctx = hmac.new(key, token_utils.DIGEST_TYPE)
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29 local signature = hmac_ctx:final(totp..nonce..jid)
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30 return totp..nonce..' '..base64.encode(signature)
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31 end
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32
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33
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34 function test_token_verification()
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35 -- Test verification of a valid token
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36 local key = uuid();
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37 local result = token_utils.verify_token(
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38 'root',
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39 generate_token('root@localhost', key),
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40 'localhost',
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41 OTP_SEED,
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42 key
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43 )
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44 luaunit.assert_is(result, true)
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45 end
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46
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47
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48 function test_token_is_valid_only_once()
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49 local key = uuid();
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50 local token = generate_token('root@localhost', key);
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51 local result = token_utils.verify_token(
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52 'root',
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53 token,
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54 'localhost',
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55 OTP_SEED,
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56 key
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57 )
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58 luaunit.assert_is(result, true)
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59
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60 result = token_utils.verify_token(
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61 'root',
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62 token,
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63 'localhost',
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64 OTP_SEED,
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65 key
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66 )
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67 luaunit.assert_is(result, false)
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68 end
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69
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70
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71 function test_token_expiration()
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72 -- Test that a token expires after (at most) the configured interval plus
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73 -- any amount of deviations.
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74 local key = uuid();
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75 local token = generate_token('root@localhost', key);
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76 -- Wait two ticks of the interval window and then check that the token is
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77 -- no longer valid.
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78 mock.mock(os);
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79 os.time.replace(function ()
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80 return os.time.original() +
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81 (token_utils.OTP_INTERVAL +
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82 (token_utils.OTP_DEVIATION * token_utils.OTP_INTERVAL));
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83 end)
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84 result = token_utils.verify_token(
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85 'root',
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86 token,
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87 'localhost',
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88 OTP_SEED,
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89 key
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90 )
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91 mock.unmock(os);
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92 luaunit.assert_is(result, false)
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93 end
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94
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95 os.exit(luaunit.LuaUnit.run())