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Network Working Group G. Conboy
Request for Comments: 4839 J. Rivlin
Category: Informational eBook Technologies, Inc.
J. Ferraiolo
IBM
April 2007
Media Type Registrations for
the Open eBook Publication Structure (OEBPS) Package File (OPF)
Status of This Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The IETF Trust (2007).
Abstract
This document serves to register a media type for the Open eBook
Publication Structure (OEBPS) Package Files.
1. Introduction
The present document registers a media type for the Open eBook
Publication Structure (OEBPS) Package File (OPF). The OPF file is an
XML file that describes an OEBPS Publication [OEBPS]. It identifies
all other files in the publication and provides descriptive
information about them. OPF and its related standards are maintained
and defined by the International Digital Publishing Forum (IDPF).
The media type defined here is needed to correctly identify OPF files
when they are edited on disk, referenced in OEBPS Container files, or
used in other places where media types are used.
2. Security Considerations
The OPF files contain well-formed XML conforming to the XML 1.0
specification.
Clearly, it is possible to author malicious files which, for example,
contain malformed data. Most XML parsers protect themselves from
such attacks by rigorously enforcing conformance.
Conboy, et al. Informational [Page 1]
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RFC 4839 Media Type Registrations for OPF April 2007
All processors that read OPF files should rigorously check the size
and validity of data retrieved.
There is no current provision in the OEBPS Package File standard for
encryption, signing, or authentication within the file format.
3. IANA Considerations
IANA has registered the media type application/oebps-package+xml as
specified in Section 3.1. The registration uses the template present
in [RFC4288].
3.1. Media Type for Downloadable Sounds
Type name: application
Subtype name: oebps-package+xml
Required parameters: none
Optional parameters: none
Encoding considerations: OPF files are UTF-8 or UTF-16
encoded XML
Security considerations: none
Interoperability considerations: none
Published specification: Specification is published by the
International Digital Publishing
Forum and can be found at
http://www.idpf.org/oebps/
oebps1.2/download/oeb12-xhtml.htm
Applications which use this media type:
1) eBook Technologies, Inc.
eBook reading system.
2) Microsoft Reader
3) OSoft reader
4) Content Reserve Publishing
System
5) IDPF Container WG
6) PC Reader.com
7) MobiPocket reader
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RFC 4839 Media Type Registrations for OPF April 2007
Additional information:
Magic number(s): none
File extension(s): .opf
Macintosh file type code(s): TEXT
Person & email address to contact for further information:
Nick Bogaty (nbogaty@idpf.org)
Intended usage: COMMON
Restrictions on usage: None
Author: International Digital Publishing
Forum (www.idpf.org)
Change controller: International Digital Publishing
Forum (www.idpf.org)
4. Normative References
[OEBPS] "Open eBook Publication Structure 1.2", International
Digital Publishing Forum (IDPF), New York, NY USA, 2002.
[RFC4288] Freed, N. and J. Klensin, "Media Type Specifications and
Registration Procedures", BCP 13, RFC 4288, December 2005.
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RFC 4839 Media Type Registrations for OPF April 2007
Authors' Addresses
Garth Conboy
eBook Technologies, Inc.
7745 Herschel Avenue
La Jolla, CA 92037
Phone: (858) 551-4950
EMail: gc@ebooktechnologies.com
John Rivlin
eBook Technologies, Inc.
7745 Herschel Avenue
La Jolla, CA 92037
Phone: (650) 255-3389
EMail: john@ebooktechnologies.com
Jon Ferraiolo
IBM
Menlo Park, CA
Phone: (650) 926-5865
EMail: jferrai@us.ibm.com
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RFC 4839 Media Type Registrations for OPF April 2007
Full Copyright Statement
Copyright (C) The IETF Trust (2007).
This document is subject to the rights, licenses and restrictions
contained in BCP 78, and except as set forth therein, the authors
retain all their rights.
This document and the information contained herein are provided on an
"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND
THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Intellectual Property
The IETF takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed to
pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
might or might not be available; nor does it represent that it has
made any independent effort to identify any such rights. Information
on the procedures with respect to rights in RFC documents can be
found in BCP 78 and BCP 79.
Copies of IPR disclosures made to the IETF Secretariat and any
assurances of licenses to be made available, or the result of an
attempt made to obtain a general license or permission for the use of
such proprietary rights by implementers or users of this
specification can be obtained from the IETF on-line IPR repository at
http://www.ietf.org/ipr.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights that may cover technology that may be required to implement
this standard. Please address the information to the IETF at
ietf-ipr@ietf.org.
Acknowledgement
Funding for the RFC Editor function is currently provided by the
Internet Society.
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