draft-reschke-http-jfv-14.txt   draft-reschke-http-jfv-latest.txt 
Network Working Group J. F. Reschke Network Working Group J. F. Reschke
Internet-Draft greenbytes Internet-Draft greenbytes
Intended status: Informational April 22, 2021 Intended status: Informational July 1, 2021
Expires: October 24, 2021 Expires: January 2, 2022
A JSON Encoding for HTTP Field Values A JSON Encoding for HTTP Field Values
draft-reschke-http-jfv-14 draft-reschke-http-jfv-latest
Abstract Abstract
This document establishes a convention for use of JSON-encoded field This document establishes a convention for use of JSON-encoded field
values in new HTTP fields. values in new HTTP fields.
Editorial Note Editorial Note
This note is to be removed before publishing as an RFC. This note is to be removed before publishing as an RFC.
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sending a message with subject "subscribe" to ietf-http-wg- sending a message with subject "subscribe" to ietf-http-wg-
request@w3.org (mailto:ietf-http-wg- request@w3.org (mailto:ietf-http-wg-
request@w3.org?subject=subscribe). request@w3.org?subject=subscribe).
Discussions of the HTTPbis Working Group are archived at Discussions of the HTTPbis Working Group are archived at
<http://lists.w3.org/Archives/Public/ietf-http-wg/>. <http://lists.w3.org/Archives/Public/ietf-http-wg/>.
XML versions and latest edits for this document are available from XML versions and latest edits for this document are available from
<http://greenbytes.de/tech/webdav/#draft-reschke-http-jfv>. <http://greenbytes.de/tech/webdav/#draft-reschke-http-jfv>.
The changes in this draft are summarized in Appendix D.17. The changes in this draft are summarized in Appendix D.18.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 24, 2021. This Internet-Draft will expire on January 2, 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2021 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/ Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document. license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights Please review these documents carefully, as they describe your rights
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D.8. Since draft-ietf-httpbis-jfv-02 . . . . . . . . . . . . . 13 D.8. Since draft-ietf-httpbis-jfv-02 . . . . . . . . . . . . . 13
D.9. Since draft-reschke-http-jfv-05 . . . . . . . . . . . . . 13 D.9. Since draft-reschke-http-jfv-05 . . . . . . . . . . . . . 13
D.10. Since draft-reschke-http-jfv-06 . . . . . . . . . . . . . 13 D.10. Since draft-reschke-http-jfv-06 . . . . . . . . . . . . . 13
D.11. Since draft-reschke-http-jfv-07 . . . . . . . . . . . . . 13 D.11. Since draft-reschke-http-jfv-07 . . . . . . . . . . . . . 13
D.12. Since draft-reschke-http-jfv-08 . . . . . . . . . . . . . 14 D.12. Since draft-reschke-http-jfv-08 . . . . . . . . . . . . . 14
D.13. Since draft-reschke-http-jfv-09 . . . . . . . . . . . . . 14 D.13. Since draft-reschke-http-jfv-09 . . . . . . . . . . . . . 14
D.14. Since draft-reschke-http-jfv-10 . . . . . . . . . . . . . 14 D.14. Since draft-reschke-http-jfv-10 . . . . . . . . . . . . . 14
D.15. Since draft-reschke-http-jfv-11 . . . . . . . . . . . . . 14 D.15. Since draft-reschke-http-jfv-11 . . . . . . . . . . . . . 14
D.16. Since draft-reschke-http-jfv-12 . . . . . . . . . . . . . 14 D.16. Since draft-reschke-http-jfv-12 . . . . . . . . . . . . . 14
D.17. Since draft-reschke-http-jfv-13 . . . . . . . . . . . . . 14 D.17. Since draft-reschke-http-jfv-13 . . . . . . . . . . . . . 14
D.18. Since draft-reschke-http-jfv-14 . . . . . . . . . . . . . 15
Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 15 Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 15
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 15 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 15
1. Introduction 1. Introduction
Defining syntax for new HTTP fields ([HTTP], Section 5) is non- Defining syntax for new HTTP fields ([HTTP], Section 5) is non-
trivial. Among the commonly encountered problems are: trivial. Among the commonly encountered problems are:
o There is no common syntax for complex field values. Several well- o There is no common syntax for complex field values. Several well-
known fields do use a similarly looking syntax, but it is hard to known fields do use a similarly looking syntax, but it is hard to
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smuggle information through field values; however, this concern is smuggle information through field values; however, this concern is
shared with other widely used formats, such as those using parameters shared with other widely used formats, such as those using parameters
in the form of name/value pairs. in the form of name/value pairs.
10. References 10. References
10.1. Normative References 10.1. Normative References
[HTTP] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, [HTTP] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "HTTP Semantics", Work in Progress, Internet-Draft, Ed., "HTTP Semantics", Work in Progress, Internet-Draft,
draft-ietf-httpbis-semantics-15, March 30, 2021, draft-ietf-httpbis-semantics-16, May 27, 2021,
<https://datatracker.ietf.org/doc/html/draft-ietf-httpbis- <https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-
semantics-15>. semantics-16>.
[RFC0020] Cerf, V., "ASCII format for network interchange", STD 80, [RFC0020] Cerf, V., "ASCII format for network interchange", STD 80,
RFC 20, DOI 10.17487/RFC0020, October 1969, RFC 20, DOI 10.17487/RFC0020, October 1969,
<https://www.rfc-editor.org/info/rfc20>. <https://www.rfc-editor.org/info/rfc20>.
[RFC5234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax [RFC5234] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax
Specifications: ABNF", STD 68, RFC 5234, Specifications: ABNF", STD 68, RFC 5234,
DOI 10.17487/RFC5234, January 2008, DOI 10.17487/RFC5234, January 2008,
<https://www.rfc-editor.org/info/rfc5234>. <https://www.rfc-editor.org/info/rfc5234>.
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Mention test implementation. Mention test implementation.
Clarify that Unicode unpaired surrogates or Noncharacters must not be Clarify that Unicode unpaired surrogates or Noncharacters must not be
sent. sent.
Rewrite text about [RFC8941], add appendix comparing both formats. Rewrite text about [RFC8941], add appendix comparing both formats.
And send/receive examples. And send/receive examples.
D.18. Since draft-reschke-http-jfv-14
Update HTTP reference.
Acknowledgements Acknowledgements
Thanks go to the Hypertext Transfer Protocol Working Group Thanks go to the Hypertext Transfer Protocol Working Group
participants. participants.
Author's Address Author's Address
Julian F. Reschke Julian F. Reschke
greenbytes GmbH greenbytes GmbH
Hafenweg 16 Hafenweg 16
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