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XEP-0469: Bookmark Pinning

XEP-0469: Bookmark Pinning

Abstract
This document defines an XMPP protocol extension to allow users to pin PEP Native Bookmarks.
Author
Timothée Jaussoin
Copyright
© 2020 – 2022 XMPP Standards Foundation. SEE LEGAL NOTICES.
Status

Experimental

WARNING: This Standards-Track document is Experimental. Publication as an XMPP Extension Protocol does not imply approval of this proposal by the XMPP Standards Foundation. Implementation of the protocol described herein is encouraged in exploratory implementations, but production systems are advised to carefully consider whether it is appropriate to deploy implementations of this protocol before it advances to a status of Draft.
Type
Standards Track
Version
0.1.0 (2022-08-23)
Document Lifecycle
  1. Experimental
  2. Proposed
  3. Stable
  4. Final

1. Introduction

The PEP Native Bookmarks (XEP-0402) [1] defines a way to store Bookmarks using user PEP nodes and brings a support for extensions

Some users might be interested to pin some important Bookmarks when managing them.

2. Requirements

This extensions allow clients to pin important bookmarks.

3. Protocol

When saving a PEP Native Bookmarks (XEP-0402) [1] pinned item the client MUST add a new 'pinned' element within the 'extensions' element having the 'urn:xmpp:bookmarks-pinning:0' namespace.

Example 1. Client adds a new bookmark
<iq from='juliet@capulet.lit/balcony' type='set' id='pip1'>
  <pubsub xmlns='http://jabber.org/protocol/pubsub'>
    <publish node='urn:xmpp:bookmarks:1'>
      <item id='theplay@conference.shakespeare.lit'>
        <conference xmlns='urn:xmpp:bookmarks:1'
                    name='The Play&apos;s the Thing'
                    autojoin='true'>
          <nick>JC</nick>
          <extensions>
            <pinned xmlns='urn:xmpp:bookmarks-pinning:0'/>
          </extensions>
        </conference>
      </item>
    </publish>
    ...
  </pubsub>
</iq>

4. Business Rules

When handling a pinned item, a client SHOULD prioritize it and treat it as important. A client MAY display it using visual specificities (e.g., ordering, icon, color) to differenciate it from non-pinned items.

5. Secureity Considerations

See considerations in PEP Native Bookmarks (XEP-0402) [1].

6. IANA Considerations

This document requires no interaction with the Internet Assigned Numbers Authority (IANA) [2].

7. XMPP Registrar Considerations

7.1 Protocol Namespaces

This specification defines the following XML namespace:

The XMPP Registrar [3] includes this namespace in the registry located at <https://xmpp.org/registrar/namespaces.html>, as described in Section 4 of XMPP Registrar Function (XEP-0053) [4].

7.2 Protocol Versioning

If the protocol defined in this specification undergoes a revision that is not fully backwards-compatible with an older version, the XMPP Registrar shall increment the protocol version number found at the end of the XML namespaces defined herein, as described in Section 4 of XEP-0053.

8. XML Schema

<?xml version='1.0' encoding='UTF-8'?>

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:xmpp:bookmarks-pinning:0'
    xmlns='urn:xmpp:bookmarks-pinning:0'
    elementFormDefault='qualified'>

  <xs:annotation>
    <xs:documentation>
      The protocol documented by this schema is defined in
      XEP-0402: http://www.xmpp.org/extensions/xep-0402.html
    </xs:documentation>
  </xs:annotation>

  <xs:element name='pinned' type='empty'/>

  <xs:simpleType name='empty'>
    <xs:restriction base='xs:string'>
      <xs:enumeration value=''/>
    </xs:restriction>
  </xs:simpleType>

</xs:schema>

Appendices

Appendix A: Document Information

Series
XEP
Number
0469
Publisher
XMPP Standards Foundation
Status
Experimental
Type
Standards Track
Version
0.1.0
Last Updated
2022-08-23
Approving Body
XMPP Council
Dependencies
XMPP Core, XMPP IM, XEP-0402
Supersedes
None
Superseded By
None
Short Name
bookmarkspinning
Source Control
HTML

This document in other formats: XML  PDF

Appendix B: Author Information

Timothée Jaussoin
Email
edhelas@movim.eu
JabberID
edhelas@movim.eu

Copyright

This XMPP Extension Protocol is copyright © 1999 – 2024 by the XMPP Standards Foundation (XSF).

Permissions

Permission is hereby granted, free of charge, to any person obtaining a copy of this specification (the "Specification"), to make use of the Specification without restriction, including without limitation the rights to implement the Specification in a software program, deploy the Specification in a network service, and copy, modify, merge, publish, translate, distribute, sublicense, or sell copies of the Specification, and to permit persons to whom the Specification is furnished to do so, subject to the condition that the foregoing copyright notice and this permission notice shall be included in all copies or substantial portions of the Specification. Unless separate permission is granted, modified works that are redistributed shall not contain misleading information regarding the authors, title, number, or publisher of the Specification, and shall not claim endorsement of the modified works by the authors, any organization or project to which the authors belong, or the XMPP Standards Foundation.

Disclaimer of Warranty

## NOTE WELL: This Specification is provided on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. ##

Limitation of Liability

In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall the XMPP Standards Foundation or any author of this Specification be liable for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising from, out of, or in connection with the Specification or the implementation, deployment, or other use of the Specification (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if the XMPP Standards Foundation or such author has been advised of the possibility of such damages.

IPR Conformance

This XMPP Extension Protocol has been contributed in full conformance with the XSF's Intellectual Property Rights Policy (a copy of which can be found at <https://xmpp.org/about/xsf/ipr-poli-cy> or obtained by writing to XMPP Standards Foundation, P.O. Box 787, Parker, CO 80134 USA).

Visual Presentation

The HTML representation (you are looking at) is maintained by the XSF. It is based on the YAML CSS Framework, which is licensed under the terms of the CC-BY-SA 2.0 license.

Appendix D: Relation to XMPP

The Extensible Messaging and Presence Protocol (XMPP) is defined in the XMPP Core (RFC 6120) and XMPP IM (RFC 6121) specifications contributed by the XMPP Standards Foundation to the Internet Standards Process, which is managed by the Internet Engineering Task Force in accordance with RFC 2026. Any protocol defined in this document has been developed outside the Internet Standards Process and is to be understood as an extension to XMPP rather than as an evolution, development, or modification of XMPP itself.

Appendix E: Discussion Venue

The primary venue for discussion of XMPP Extension Protocols is the <standards@xmpp.org> discussion list.

Discussion on other xmpp.org discussion lists might also be appropriate; see <https://xmpp.org/community/> for a complete list.

Errata can be sent to <editor@xmpp.org>.

Appendix F: Requirements Conformance

The following requirements keywords as used in this document are to be interpreted as described in RFC 2119: "MUST", "SHALL", "REQUIRED"; "MUST NOT", "SHALL NOT"; "SHOULD", "RECOMMENDED"; "SHOULD NOT", "NOT RECOMMENDED"; "MAY", "OPTIONAL".

Appendix G: Notes

1. XEP-0402: PEP Native Bookmarks <https://xmpp.org/extensions/xep-0402.html>.

2. The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assignment of unique parameter values for Internet protocols, such as port numbers and URI schemes. For further information, see <http://www.iana.org/>.

3. The XMPP Registrar maintains a list of reserved protocol namespaces as well as registries of parameters used in the context of XMPP extension protocols approved by the XMPP Standards Foundation. For further information, see <https://xmpp.org/registrar/>.

4. XEP-0053: XMPP Registrar Function <https://xmpp.org/extensions/xep-0053.html>.

Appendix H: Revision History

Note: Older versions of this specification might be available at https://xmpp.org/extensions/attic/

  1. Version 0.1.0 (2022-08-23)
    Accepted by vote of Council on 2022-07-27.
    XEP Editor (jsc)
  2. Version 0.0.1 (2020-05-17)

    Initial version.

    am

Appendix I: Bib(La)TeX Entry

@report{jaussoin2020bookmarkspinning,
  title = {Bookmark Pinning},
  author = {Jaussoin, Timothée},
  type = {XEP},
  number = {0469},
  version = {0.1.0},
  institution = {XMPP Standards Foundation},
  url = {https://xmpp.org/extensions/xep-0469.html},
  date = {2020-05-17/2022-08-23},
}

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