Mercurial > prosody-modules
annotate mod_discoitems/mod_discoitems.lua @ 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> |
|---|---|
| date | Sun, 22 Aug 2021 13:22:59 +0200 |
| parents | ae91c98b7e4c |
| children |
| rev | line source |
|---|---|
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ae91c98b7e4c
mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
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1 -- mod_discoitems.lua |
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2 -- |
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parents:
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3 -- In the config, you can add: |
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ae91c98b7e4c
mod_discoitems: Initial commit.
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parents:
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4 -- |
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5 -- disco_items = { |
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6 -- {"proxy.eu.jabber.org", "Jabber.org SOCKS5 service"}; |
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parents:
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7 -- {"conference.jabber.org", "The Jabber.org MUC"}; |
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parents:
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8 -- }; |
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ae91c98b7e4c
mod_discoitems: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
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9 -- |
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ae91c98b7e4c
mod_discoitems: Initial commit.
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parents:
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10 |
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ae91c98b7e4c
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parents:
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11 local st = require "util.stanza"; |
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parents:
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12 |
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parents:
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13 local result_query = st.stanza("query", {xmlns="http://jabber.org/protocol/disco#items"}); |
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parents:
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14 for _, item in ipairs(module:get_option("disco_items") or {}) do |
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parents:
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15 result_query:tag("item", {jid=item[1], name=item[2]}):up(); |
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16 end |
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parents:
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17 |
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18 module:hook('iq/host/http://jabber.org/protocol/disco#items:query', function(event) |
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19 local stanza = event.stanza; |
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parents:
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20 local query = stanza.tags[1]; |
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21 if stanza.attr.type == 'get' and not query.attr.node then |
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22 event.origin.send(st.reply(stanza):add_child(result_query)); |
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23 return true; |
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24 end |
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parents:
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25 end, 100); |
