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annotate mod_muc_http_auth/README.md @ 5298:12f7d8b901e0

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mod_audit: Support for adding location (GeoIP) to audit events This can be more privacy-friendly than logging full IP addresses, and also more informative to a user - IP addresses don't mean much to the average person, however if they see activity from outside their expected country, they can immediately identify suspicious activity. As with IPs, this field is configurable for deployments that would like to disable it. Location is also not logged when the geoip library is not available.
author Matthew Wild <mwild1@gmail.com>
date Sat, 01 Apr 2023 13:11:53 +0100
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1 # Introduction
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2
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3 This module externalizes MUC authorization via HTTP.
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4 Whenever a user wants to join a MUC, an HTTP GET request is made to `authorization_url`
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5 with the user's bare jid (`userJID`), the MUC jid (`mucJID`) and the user's nickname (`nickname`) as GET parameters.
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6 Example:
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7 `https://www.prosody.im/users/can-join/?userJID=romeo@example.com&mucJID=teaparty@chat.example.com&nickname=Romeo`
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8
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9 This allows an external service to decide whether a user is authorized to join a MUC or not.
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10
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11 When a user is authorized to join a MUC, this module expects the following JSON payload:
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12 ```
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13 {
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14 allowed: true,
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15 error: "",
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16 }
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17 ```
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18 Otherwise, either the user not being authorized or some failure in the external service:
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19 ```
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20 {
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21 allowed: false,
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22 error: "Some error message to be displayed in this module's logs",
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23 }
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24 ```
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25
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26 # Configuring
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27
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28 ## Enabling
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29
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30 ``` {.lua}
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31 Component "rooms.example.net" "muc"
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32
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33 modules_enabled = {
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34 "muc_http_auth";
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35 }
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36
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37 ```
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38
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39
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40 ## Settings
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41
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42 | Name | Description | Default |
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43 |------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------|---------|
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44 | muc_http_auth_url | URL of the external HTTP service to which send `userJID`, `mucJID` and `nickname` in a GET request | "" |
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45 | muc_http_auth_enabled_for | A map of user hostnames to an array of MUC names (node part) to enable this module for. To enable for all hostnames, use `"all"` as key. | nil |
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46 | muc_http_auth_disabled_for | A map of user hostnames to an array of MUC names (node part) to disable this module for. To disable for all hostnames, use `"all"` as key. | nil |
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47 | muc_http_auth_insecure | Disable certificate verification for request. Only intended for development of the external service. | false |
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48 | muc_http_auth_authorization_header | Value of the Authorization header if requested by the external HTTP service. Example: `Basic dXNlcm5hbWU6cGFzc3dvcmQ=` | nil |
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50
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51 This module can be enabled/disabled for specific rooms. Only one of the following settings must be set.
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52 ```
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53 -- muc_http_auth_enabled_for = {["all"] = {"teaparty"}}
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54 -- muc_http_auth_disabled_for = {["all"] = {"teaparty"}}
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55 ```
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56 If none is set, all rooms in the MUC component will have this module enabled.
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57
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58 Note: Use the node part of the MUC jid for these lists. Example:
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59
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60 Wrong:
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61 `muc_http_auth_enabled_for = {["all"] = {"teaparty@rooms.example.net"}}`
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62
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63 Correct:
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64 `muc_http_auth_enabled_for = {["all"] = {"teaparty"}}`
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65
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66 It's also possible to disable/enable checking for a particular host, for example:
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67
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68 `muc_http_auth_enabled_for = {["jabber.org"] = {"teaparty"}, ["prosody.org] = {"orchard"}}`