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Code Issues Releases Wiki Activity

XEP-0223: Add a warning about publish-options support

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Jonas Wielicki 2018-03-15 08:50:33 +01:00
parent 48593ca5b8
commit e18bb0387c
1 changed files with 9 additions and 2 deletions
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xep-0223.xml
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@ -25,6 +25,12 @@
<supersededby/> <supersededby/>
<shortname>N/A</shortname> <shortname>N/A</shortname>
&stpeter; &stpeter;
<revision>
<version>1.1</version>
<date>2018-03-28</date>
<initials>jwi</initials>
<remark>Make discovery of support mandatory, add security considerations (in reaction to CVE-2018-6591).</remark>
</revision>
<revision> <revision>
<version>1.0</version> <version>1.0</version>
<date>2008-09-08</date> <date>2008-09-08</date>
@ -211,7 +217,7 @@
</section1> </section1>
<section1 topic='Determining Support' anchor='support'> <section1 topic='Determining Support' anchor='support'>
<p>Before an account owner attempts to complete any of the use cases defined herein, its client SHOULD verify that the account owner's server supports both PEP and the "publish-options" feature; to do so, it MUST send a &xep0030; information request to the server (or cache <cite>Entity Capabilities</cite> information received from the server).</p> <p>Before an account owner attempts to complete any of the use cases defined herein, its client MUST verify that the account owner's server supports both PEP and the "publish-options" feature; to do so, it MUST send a &xep0030; information request to the server (or cache <cite>Entity Capabilities</cite> information received from the server).</p>
<example caption='Account owner queries server regarding protocol support'><![CDATA[ <example caption='Account owner queries server regarding protocol support'><![CDATA[
<iq from='juliet@capulet.lit/balcony' <iq from='juliet@capulet.lit/balcony'
to='capulet.lit' to='capulet.lit'
@ -238,7 +244,8 @@
</section1> </section1>
<section1 topic='Security Considerations' anchor='security'> <section1 topic='Security Considerations' anchor='security'>
<p>This document introduces no security considerations above and beyond those specified in <cite>XEP-0060</cite> and <cite>XEP-0163</cite>.</p> <p>Since private data is to be stored in a mechanism originally intended to <em>publish</em> data, it is REQUIRED for entities to ensure that the restrictive &lt;publish-options/&gt; will actually be honored by the server by performing the feature discovery procedure as specified in <link url='#support'>Determining Support</link>. If an entity using that procedure finds that the server does not support &lt;publish-options/&gt;, it MUST NOT store private data in PubSub, unless it can ensure privacy of the data with other means.</p>
<p>The Security Considerations specified in <cite>XEP-0060</cite> and <cite>XEP-0163</cite> need to be taken into account.</p>
</section1> </section1>
<section1 topic='IANA Considerations' anchor='iana'> <section1 topic='IANA Considerations' anchor='iana'>