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annotate mod_muc_rtbl/README.md @ 5173:460f78654864

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mod_muc_rtbl: also filter messages This was a bit tricky because we don't want to run the JIDs through SHA256 on each message. Took a while to come up with this simple plan of just caching the SHA256 of the JIDs on the occupants. This will leave some dirt in the occupants after unloading the module, but that should be ok; once they cycle the room, the hashes will be gone. This is direly needed, otherwise, there is a tight race between the moderation activities and the actors joining the room.
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 21 Feb 2023 21:37:27 +0100
parents 62a65c52c3f5
children 6e2458b69e33
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62a65c52c3f5 mod_muc_rtbl: Real-time blocklist checks for MUC services
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1 ---
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2 summary:
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3 rockspec:
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4 dependencies:
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5 - mod_pubsub_subscription
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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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10 This module subscribes to a real-time blocklist using pubsub (XEP-0060). As
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11 entries are added and removed from the blocklist, it immediately updates a
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12 local service-wide ban list.
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13
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14 # Configuring
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16 Load this module on your existing MUC component like so:
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17
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18 ```lua
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19 Component "channels.example.com" "muc"
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20 modules_enabled = {
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21 -- other modules etc
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22 "muc_rtbl";
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23 }
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24 ```
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25
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26 Then there are two options, which must be set under the component or in the
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27 global section of your config:
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28
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29 ```
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30 muc_rtbl_jid = "rtbl.example"
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31 muc_rtbl_node = "muc_bans_sha256"
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32 ```
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33
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34 # Compatibility
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35
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36 Should work with Prosody >= 0.11.x
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37
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38 # Developers
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39
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40 ## Protocol
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41
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42 This version of mod_muc_rtbl assumes that the pubsub node contains one item
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43 per blocked JID. The item id should be the SHA256 hash of the JID to block.
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44 The payload is not currently used, but it is recommend to use a XEP-0377
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45 report element as the payload.