prosody-modules
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mod_ping_muc/README.md

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mod_ping_muc/README.md @ 6057:cc665f343690

mod_firewall: SUBSCRIBED: Flip subscription check to match documentation The documentation claims that this condition checks whether the recipient is subscribed to the sender. However, it was using the wrong method, and actually checking whether the sender was subscribed to the recipient. A quick poll of folk suggested that the documentation's approach is the right one, so this should fix the code to match the documentation. This should also fix the bundled anti-spam rules from blocking presence from JIDs that you subscribe do (but don't have a mutual subscription with).
author Matthew Wild <mwild1@gmail.com>
date Fri, 22 Nov 2024 13:50:48 +0000
parent 5980:d60e04d3996e
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1 ---
a7c0c70e64b6 mod_ping_muc: Yet another attempt to improve MUC reliability
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2 summary: Yet another MUC reliability module
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3 rockspec:
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4 dependencies:
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5 - mod_track_muc_joins
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6 labels:
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7 - Stage-Alpha
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8 ...
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9
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11 This module reacts to [server-to-server][doc:s2s] connections closing by
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12 performing [XEP-0410: MUC Self-Ping] from the server side after a short delay to check if
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13 users are still connected to MUCs they have joined according
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14 [mod_track_muc_joins]. If it can't be confirmed that the user is still
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15 joined then their client devices are notified about this allowing them
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16 to re-join.
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17
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18 # Installing
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19
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20 ```
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21 prosodyctl install mod_ping_muc
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22 ```
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23
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24 # Configuring
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25
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26 Enable as a regular module in
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27 [`modules_enabled`][doc:modules_enabled] globally or under a
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28 `VirtualHost`:
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29
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30 ```lua
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31 modules_enabled = {
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32 -- other modules etc
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33 "track_muc_joins",
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34 "ping_muc",
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35 }
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36 ```
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37
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38 The delay after which pings are sent can be adjusted with the setting `ping_muc_delay`,
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39 from the default `60` (seconds).
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40
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41 # Client facing protocol
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42
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43 If the module determines that the client has dropped out a MUC,
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44 it sends it [a stanza to indicate this](https://xmpp.org/extensions/xep-0045.html#service-error-kick):
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45
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46 ``` xml
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47 <presence type="unavailable" id="random123" from="room@muc.host/nickname" to="user@example.net/resource">
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48 <x xmlns="http://jabber.org/protocol/muc#user">
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49 <item affiliation="none" role="none">
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50 <reason>Connection to remote server lost</reason>
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51 </item>
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52 <status code="110"/>
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53 <status code="330"/>
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54 </x>
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55 </presence>
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56 ```
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57
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58 The `reason` message may vary.
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59
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60 Upon receiving this, the client may attempt to [rejoin](https://xmpp.org/extensions/xep-0045.html#enter).
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61
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62 # Compatibility
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63
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64 Requires Prosody 0.12.x or trunk