annotate mod_log_json/README.markdown @ 5616:59d5fc50f602

mod_http_oauth2: Implement refresh token rotation Makes refresh tokens one-time-use, handing out a new refresh token with each access token. Thus if a refresh token is stolen and used by an attacker, the next time the legitimate client tries to use the previous refresh token, it will not work and the attack will be noticed. If the attacker does not use the refresh token, it becomes invalid after the legitimate client uses it. This behavior is recommended by draft-ietf-oauth-security-topics
author Kim Alvefur <zash@zash.se>
date Sun, 23 Jul 2023 02:56:08 +0200
parents 4356088ad675
children
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1 ---
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2 summary: JSON Log Sink
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3 ---
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4
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5 Conifiguration
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6 ==============
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7
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8 Here we log to `/var/log/prosody/prosody.json`:
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9
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10 ``` {.lua}
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11 log = {
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12 -- your other log sinks
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13 info = "/var/log/prosody/prosody.log"
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14 -- add this:
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15 { to = "json", filename = "/var/log/prosody/prosody.json" };
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16 }
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17 ```
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18
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19 ## UDP
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20
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21 Alternatively, it can send logs via UDP:
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22
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23 ```lua
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24 log = {
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25 { to = "json", udp_host = "10.1.2.3", udp_port = "9999" };
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26 }
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27 ```
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28
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29 Format
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30 ======
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31
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32 JSON log files consist of a series of `\n`-separated JSON objects,
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33 suitable for mangling with tools like
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34 [`jq`](https://stedolan.github.io/jq/).
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35
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36 Example (with whitespace and indentation for readability):
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37
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38 ``` {.json}
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39 {
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40 "args" : [],
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41 "datetime" : "2019-11-03T13:38:28Z",
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42 "level" : "info",
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43 "message" : "Client connected",
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44 "source" : "c2s55f267f5b9d0"
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45 }
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46 {
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47 "args" : [
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48 "user@example.net"
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49 ],
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50 "datetime" : "2019-11-03T13:38:28Z",
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51 "level" : "debug",
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52 "message" : "load_roster: asked for: %s",
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53 "source" : "rostermanager"
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54 }
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55 ```
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56
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57 `datetime`
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58 : [XEP-0082]-formatted timestamp.
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59
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60 `source`
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61 : Log source, usually a module or a connected session.
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62
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63 `level`
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64 : `debug`, `info`, `warn` or `error`
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65
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66 `message`
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67 : The log message in `printf` format. Combine with `args` to get the
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68 final message.
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69
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70 `args`
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71 : Array of extra arguments, corresponding to `printf`-style `%s`
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72 formatting in the `message`.
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73
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74 Formatted message
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75 -----------------
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76
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77 If desired, at the obvious expense of performance, the formatted version of
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78 the string can be included in the JSON object by specifying the `formatted_as`
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79 key in the logger config:
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80
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81 ``` {.lua}
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82 log = {
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83 -- ... other sinks ...
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84 { to = "json", formatted_as = "msg_formatted", filename = "/var/log/prosody/prosody.json" };
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85 }
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86
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87 ```
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88
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89 This will expose the formatted message in the JSON as separate `msg_formatted`
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90 key. It is possible to override existing keys using this (for example, the
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91 `message` key), but not advisible.