Mercurial > prosody-modules
annotate mod_muc_block_pm/README.markdown @ 4651:8231774f5bfd
mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8
The `body:sub()` call risks splitting the string in the middle of a
multi-byte UTF-8 sequence. This should have been caught by util.stanza
validation, but that would have caused some havoc, at the very least causing
the notification to not be sent.
There have been no reports of this happening. Likely because this module
isn't widely deployed among users with languages that use many longer UTF-8
sequences.
The util.encodings.utf8.valid() function is O(n) where only the last
sequence really needs to be checked, but it's in C and expected to be fast.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 22 Aug 2021 13:22:59 +0200 |
parents | afedc2430b0d |
children | c7e532ac6bf7 |
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1 --- |
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2 summary: Prevent unaffiliated MUC participants from sending PMs |
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3 --- |
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4 |
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5 # Introduction |
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6 |
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7 This module prevents unaffiliated users from sending private messages in |
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8 chat rooms, unless someone with an affiliation (member, admin etc) |
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9 messages them first. |
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10 |
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11 # Configuration |
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12 |
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13 The module doesn't have any options, just load it onto a MUC component. |
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14 |
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15 ``` lua |
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16 Component "muc" |
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17 modules_enabled = { |
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18 "muc_block_pm"; |
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19 } |
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20 ``` |
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21 |
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22 # Compatibility |
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23 |
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24 Branch State |
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25 -------- ----------------- |
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26 0.9 Works |
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27 0.10 Should work |
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28 0.11 Should work |