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annotate mod_compat_bind/mod_compat_bind.lua @ 4651:8231774f5bfd

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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 73fbfd1e820b
children
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748
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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1 -- Compatibility with clients that set 'to' on resource bind requests
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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2 --
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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3 -- http://xmpp.org/rfcs/rfc3920.html#bind
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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4 -- http://xmpp.org/rfcs/rfc6120.html#bind-servergen-success
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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5
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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6 local st = require "util.stanza";
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
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7
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
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8 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-bind:bind", function(event)
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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9 local fixed_stanza = st.clone(event.stanza);
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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10 fixed_stanza.attr.to = nil;
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73fbfd1e820b mod_compat_bind: Use non-deprecated way to access core_process_stanza (thanks Roi)
Kim Alvefur <zash@zash.se>
parents: 748
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11 prosody.core_process_stanza(event.origin, fixed_stanza);
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f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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12 return true;
f25b6a9f97bb mod_compat_bind: Compatibility (ugh) with clients that send the resource bind to the login host (ugh)
Matthew Wild <mwild1@gmail.com>
parents:
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13 end);