Mercurial > prosody-modules
annotate mod_muc_badge/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 | a646fcb45334 |
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1 --- |
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2 depends: |
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3 - 'mod\_http' |
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4 - 'mod\_muc' |
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5 provides: |
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6 - http |
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7 title: 'mod\_muc\_badge' |
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8 --- |
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9 |
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10 # Introduction |
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11 |
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12 This module generates a badge for MUC rooms at a HTTP URL like |
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13 `https://conference.example.com:5281/muc_badge/room@conference.example.org` |
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14 containing the number of occupants. |
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15 |
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16 Inspiration |
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17 : <https://opkode.com/blog/xmpp-chat-badge/> |
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18 |
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19 # Configuration |
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20 |
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21 Option Type Default |
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22 ------------------ -------- -------------------------- |
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23 `badge_count` string `"%d online"` |
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24 `badge_template` string A SVG image (see source) |
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25 |
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26 The template must be valid XML. If it contains `{label}` then this is |
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27 replaced by `badge_label`, similarly, `{count}` is substituted by |
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28 `badge_count` with `%d` changed to the number of occupants. |
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29 |
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30 Details of the HTTP URL is determined by [standard Prosody HTTP server |
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31 configuration][doc:http]. |
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32 |
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33 # Example |
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34 |
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35 ```lua |
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36 Component "conference.example.com" "muc" |
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37 modules_enabled = { |
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38 "muc_badge" |
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39 } |
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40 ``` |