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RFC3921(六)  

2011-03-07 10:42:10|  分类: Jabber |  标签: |举报 |字号 订阅

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参考

标准参考

[CPIM] Peterson, J., "Common Profile for Instant Messaging (CPIM)", RFC 3860, August 2004.
[IMP-REQS] Day, M., Aggarwal, S., Mohr, G., and J. Vincent, "Instant Messaging/Presence Protocol Requirements", RFC 2779, February 2000.
[IMP-SRV] Peterson, J., "Address Resolution for Instant Messaging and Presence", RFC 3861, August 2004.
[SRV] Gulbrandsen, A., Vixie, P., and L. Esibov, "A DNS RR for specifying the location of services (DNS SRV)", RFC 2782, February 2000.
[TERMS] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997.
[XML] Bray, T., Paoli, J., Sperberg-McQueen, C., and E. Maler, "Extensible Markup Language (XML) 1.0 (2nd ed)", W3C REC-xml, October 2000, <http://www.w3.org/TR/REC-xml>.
[XML-NAMES] Bray, T., Hollander, D., and A. Layman, "Namespaces in XML", W3C REC-xml-names, January 1999, <http://www.w3.org/TR/REC-xml-names>.
[XMPP-CORE|XMPP文档列表/XMPP正式RFC标准/RFC3920] Saint-Andre, P., "Extensible Messaging and Presence Protocol (XMPP): Core", RFC 3920, October 2004.
[XMPP-E2E] Saint-Andre, P., "End-to-End Object Encryption in the Extensible Messaging and Presence Protocol (XMPP)", RFC 3923, October 2004.

信息参考

[IMP-MODEL] Day, M., Rosenberg, J., and H. Sugano, "A Model for Presence and Instant Messaging", RFC 2778, February 2000.
[IRC] Oikarinen, J. and D. Reed, "Internet Relay Chat Protocol", RFC 1459, May 1993.
[JEP-0054] Saint-Andre, P., "vcard-temp", JSF JEP 0054, March 2003.
[JEP-0077] Saint-Andre, P., "In-Band Registration", JSF JEP 0077, August 2004.
[JEP-0078] Saint-Andre, P., "Non-SASL Authentication", JSF JEP 0078, July 2004.
[JSF] Jabber Software Foundation, "Jabber Software Foundation", <http://www.jabber.org/>.
[VCARD] Dawson, F. and T. Howes, "vCard MIME Directory Profile", RFC 2426, September 1998.
[XML-REG] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688, January 2004.

附录 A. vCards

[IMP-REQS]的第三章第一节第三小节和第四章第一节第四小节要求可能为其他用户接收带外的联系人信息(例如,电话号码或电子邮件地址). 在Jabber社区中通常使用RFC 2426 [VCARD]中vCard规范的XML来表达这类信息,但这超出了XMPP的范围(这个协议的文档包含在[JEP-0054], 由[JSF]发行).

译者注: [JSF]已改名为[XSF],[JEP-0054]已改名为[XEP-0054]

附录 B. XML规划

接下来的XML规划是描述性的, 不是标准化的. 规划定义在XMPP的核心特性, 参考[XMPP-CORE|XMPP文档列表/XMPP正式RFC标准/RFC3920].

B.1 jabber:client

   <?xml version='1.0' encoding='UTF-8'?>
 
<xs:schema
xmlns:xs='http://www.w3.org/2001/XMLSchema'
targetNamespace='jabber:client'
xmlns='jabber:client'
elementFormDefault='qualified'>
 
<xs:import namespace='urn:ietf:params:xml:ns:xmpp-stanzas'/>
 
<xs:element name='message'>
<xs:complexType>
<xs:sequence>
<xs:choice minOccurs='0' maxOccurs='unbounded'>
<xs:element ref='subject'/>
<xs:element ref='body'/>
<xs:element ref='thread'/>
</xs:choice>
<xs:any namespace='##other'
minOccurs='0'
maxOccurs='unbounded'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='optional'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='optional'/>
<xs:attribute name='to'
type='xs:string'
use='optional'/>
<xs:attribute name='type' use='optional' default='normal'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='chat'/>
<xs:enumeration value='error'/>
<xs:enumeration value='groupchat'/>
<xs:enumeration value='headline'/>
<xs:enumeration value='normal'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='body'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='subject'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='thread' type='xs:NMTOKEN'/>
 
<xs:element name='presence'>
<xs:complexType>
<xs:sequence>
<xs:choice minOccurs='0' maxOccurs='unbounded'>
<xs:element ref='show'/>
<xs:element ref='status'/>
<xs:element ref='priority'/>
</xs:choice>
<xs:any namespace='##other'
minOccurs='0'
maxOccurs='unbounded'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='optional'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='optional'/>
<xs:attribute name='to'
type='xs:string'
use='optional'/>
<xs:attribute name='type' use='optional'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='error'/>
<xs:enumeration value='probe'/>
<xs:enumeration value='subscribe'/>
<xs:enumeration value='subscribed'/>
<xs:enumeration value='unavailable'/>
<xs:enumeration value='unsubscribe'/>
<xs:enumeration value='unsubscribed'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='show'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='away'/>
<xs:enumeration value='chat'/>
<xs:enumeration value='dnd'/>
<xs:enumeration value='xa'/>
</xs:restriction>
</xs:simpleType>
</xs:element>
 
<xs:element name='status'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='priority' type='xs:byte'/>
 
<xs:element name='iq'>
<xs:complexType>
<xs:sequence>
<xs:any namespace='##other'
minOccurs='0'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='optional'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='required'/>
<xs:attribute name='to'
type='xs:string'
use='optional'/>
<xs:attribute name='type' use='required'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='error'/>
<xs:enumeration value='get'/>
<xs:enumeration value='result'/>
<xs:enumeration value='set'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='error'>
<xs:complexType>
<xs:sequence xmlns:err='urn:ietf:params:xml:ns:xmpp-stanzas'>
<xs:group ref='err:stanzaErrorGroup'/>
<xs:element ref='err:text'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='code' type='xs:byte' use='optional'/>
<xs:attribute name='type' use='required'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='auth'/>
<xs:enumeration value='cancel'/>
<xs:enumeration value='continue'/>
<xs:enumeration value='modify'/>
<xs:enumeration value='wait'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
 
</xs:schema>

B.2 jabber:server

   <?xml version='1.0' encoding='UTF-8'?>
 
<xs:schema
xmlns:xs='http://www.w3.org/2001/XMLSchema'
targetNamespace='jabber:server'
xmlns='jabber:server'
elementFormDefault='qualified'>
 
<xs:import namespace='urn:ietf:params:xml:ns:xmpp-stanzas'/>
 
<xs:element name='message'>
<xs:complexType>
<xs:sequence>
<xs:choice minOccurs='0' maxOccurs='unbounded'>
<xs:element ref='subject'/>
<xs:element ref='body'/>
<xs:element ref='thread'/>
</xs:choice>
<xs:any namespace='##other'
minOccurs='0'
maxOccurs='unbounded'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='required'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='optional'/>
<xs:attribute name='to'
type='xs:string'
use='required'/>
<xs:attribute name='type' use='optional' default='normal'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='chat'/>
<xs:enumeration value='error'/>
<xs:enumeration value='groupchat'/>
<xs:enumeration value='headline'/>
<xs:enumeration value='normal'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='body'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='subject'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='thread' type='xs:NMTOKEN'/>
 
<xs:element name='presence'>
<xs:complexType>
<xs:sequence>
<xs:choice minOccurs='0' maxOccurs='unbounded'>
<xs:element ref='show'/>
<xs:element ref='status'/>
<xs:element ref='priority'/>
</xs:choice>
<xs:any namespace='##other'
minOccurs='0'
maxOccurs='unbounded'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='required'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='optional'/>
<xs:attribute name='to'
type='xs:string'
use='required'/>
<xs:attribute name='type' use='optional'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='error'/>
<xs:enumeration value='probe'/>
<xs:enumeration value='subscribe'/>
<xs:enumeration value='subscribed'/>
<xs:enumeration value='unavailable'/>
<xs:enumeration value='unsubscribe'/>
<xs:enumeration value='unsubscribed'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='show'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='away'/>
<xs:enumeration value='chat'/>
<xs:enumeration value='dnd'/>
<xs:enumeration value='xa'/>
</xs:restriction>
</xs:simpleType>
</xs:element>
 
<xs:element name='status'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:string'>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='priority' type='xs:byte'/>
 
<xs:element name='iq'>
<xs:complexType>
<xs:sequence>
<xs:any namespace='##other'
minOccurs='0'/>
<xs:element ref='error'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='from'
type='xs:string'
use='required'/>
<xs:attribute name='id'
type='xs:NMTOKEN'
use='required'/>
<xs:attribute name='to'
type='xs:string'
use='required'/>
<xs:attribute name='type' use='required'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='error'/>
<xs:enumeration value='get'/>
<xs:enumeration value='result'/>
<xs:enumeration value='set'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute ref='xml:lang' use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:element name='error'>
<xs:complexType>
<xs:sequence xmlns:err='urn:ietf:params:xml:ns:xmpp-stanzas'>
<xs:group ref='err:stanzaErrorGroup'/>
<xs:element ref='err:text'
minOccurs='0'/>
</xs:sequence>
<xs:attribute name='code' type='xs:byte' use='optional'/>
<xs:attribute name='type' use='required'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='auth'/>
<xs:enumeration value='cancel'/>
<xs:enumeration value='continue'/>
<xs:enumeration value='modify'/>
<xs:enumeration value='wait'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
 
</xs:schema>

B.3 session

   <?xml version='1.0' encoding='UTF-8'?>
 
<xs:schema
xmlns:xs='http://www.w3.org/2001/XMLSchema'
targetNamespace='urn:ietf:params:xml:ns:xmpp-session'
xmlns='urn:ietf:params:xml:ns:xmpp-session'
elementFormDefault='qualified'>
 
<xs:element name='session' type='empty'/>
 
<xs:simpleType name='empty'>
<xs:restriction base='xs:string'>
<xs:enumeration value=''/>
</xs:restriction>
</xs:simpleType>
 
</xs:schema>

B.4 jabber:iq:privacy

   <?xml version='1.0' encoding='UTF-8'?>
 
<xs:schema
xmlns:xs='http://www.w3.org/2001/XMLSchema'
targetNamespace='jabber:iq:privacy'
xmlns='jabber:iq:privacy'
elementFormDefault='qualified'>
 
<xs:element name='query'>
<xs:complexType>
<xs:sequence>
<xs:element ref='active'
minOccurs='0'/>
<xs:element ref='default'
minOccurs='0'/>
<xs:element ref='list'
minOccurs='0'
maxOccurs='unbounded'/>
</xs:sequence>
</xs:complexType>
</xs:element>
 
<xs:element name='active'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:NMTOKEN'>
<xs:attribute name='name'
type='xs:string'
use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='default'>
<xs:complexType>
<xs:simpleContent>
<xs:extension base='xs:NMTOKEN'>
<xs:attribute name='name'
type='xs:string'
use='optional'/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
 
<xs:element name='list'>
<xs:complexType>
<xs:sequence>
<xs:element ref='item'
minOccurs='0'
maxOccurs='unbounded'/>
</xs:sequence>
<xs:attribute name='name'
type='xs:string'
use='required'/>
</xs:complexType>
</xs:element>
 
<xs:element name='item'>
<xs:complexType>
<xs:sequence>
<xs:element name='iq'
minOccurs='0'
type='empty'/>
<xs:element name='message'
minOccurs='0'
type='empty'/>
<xs:element name='presence-in'
minOccurs='0'
type='empty'/>
<xs:element name='presence-out'
minOccurs='0'
type='empty'/>
</xs:sequence>
<xs:attribute name='action' use='required'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='allow'/>
<xs:enumeration value='deny'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name='order'
type='xs:unsignedInt'
use='required'/>
<xs:attribute name='type' use='optional'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='group'/>
<xs:enumeration value='jid'/>
<xs:enumeration value='subscription'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name='value'
type='xs:string'
use='optional'/>
</xs:complexType>
</xs:element>
 
<xs:simpleType name='empty'>
<xs:restriction base='xs:string'>
<xs:enumeration value=''/>
</xs:restriction>
</xs:simpleType>
 
</xs:schema>

B.5 jabber:iq:roster

   <?xml version='1.0' encoding='UTF-8'?>
 
<xs:schema
xmlns:xs='http://www.w3.org/2001/XMLSchema'
targetNamespace='jabber:iq:roster'
xmlns='jabber:iq:roster'
elementFormDefault='qualified'>
 
<xs:element name='query'>
<xs:complexType>
<xs:sequence>
<xs:element ref='item'
minOccurs='0'
maxOccurs='unbounded'/>
</xs:sequence>
</xs:complexType>
</xs:element>
 
<xs:element name='item'>
<xs:complexType>
<xs:sequence>
<xs:element ref='group'
minOccurs='0'
maxOccurs='unbounded'/>
</xs:sequence>
<xs:attribute name='ask' use='optional'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='subscribe'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name='jid' type='xs:string' use='required'/>
<xs:attribute name='name' type='xs:string' use='optional'/>
<xs:attribute name='subscription' use='optional'>
<xs:simpleType>
<xs:restriction base='xs:NCName'>
<xs:enumeration value='both'/>
<xs:enumeration value='from'/>
<xs:enumeration value='none'/>
<xs:enumeration value='remove'/>
<xs:enumeration value='to'/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
 
<xs:element name='group' type='xs:string'/>
 
</xs:schema>

附录 C. Jabber IM Presence协议和XMPP之间的不同

本章是非标准的.
译者注:附录D对于新接触XMPP的人没有什么意义,就不翻译了,免得浪费时间。因为现在RFC公布已经很久了,以前的Jabber实现很多都进化到XMPP了。
XMPP has been adapted from the protocols originally developed in the Jabber open-source community, which can be thought of as "XMPP 0.9". Because there exists a large installed base of Jabber implementations and deployments, it may be helpful to specify the key differences between the relevant Jabber protocols and XMPP in order to expedite and encourage upgrades of those implementations and deployments to XMPP. This section summarizes the differences that relate specifically to instant messaging and presence applications, while the corresponding section of [XMPP-CORE|XMPP文档列表/XMPP正式RFC标准/RFC3920] summarizes the differences that relate to all XMPP applications.

C.1 Session Establishment

The client-to-server authentication protocol developed in the Jabber community assumed that every client is an IM client and therefore initiated an IM session upon successful authentication and resource binding, which are performed simultaneously (documentation of this protocol is contained in \[JEP-0078\], published by the Jabber Software Foundation \[JSF\]). XMPP maintains a stricter separation between core functionality and IM functionality; therefore, an IM session is not created until the client specifically requests one using the protocol defined under Session Establishment (Section 3).

C.2 Privacy Lists

The Jabber community began to define a protocol for communications blocking (privacy lists) in late 2001, but that effort was deprecated once the XMPP Working Group was formed. Therefore the protocol defined under Blocking Communication (Section 10) is the only such protocol defined for use in the Jabber community.

贡献者

XMPP的大部分核心方面是由1999年开始的Jabber开源社区开发的. 这个社区是由 Jeremie Miller建立的, 他于1999年1月发布了最初版的jabber server源代码. 主要的基础协议的早期贡献者还包括 Ryan Eatmon, Peter Millard, Thomas Muldowney,和 Dave Smith. XMPP工作组在即时消息和出席信息方面的工作主要集中在IM会话建立和通信屏蔽(隐私列表); 会话建立协议主要是由 Rob Norris 和 Joe Hildebrand 开发的, 隐私列表协议最初是由 Peter Millard.贡献的

致谢

感谢许多在贡献者名单之外的人们. 尽管很难提供一个完整的名单, 以下个人对于定义协议或评论标准提供了很多帮助:
Thomas Charron, Richard Dobson, Schuyler Heath, Jonathan Hogg, Craig Kaes, Jacek Konieczny, Lisa Dusseault, Alexey Melnikov, Keith Minkler, Julian Missig, Pete Resnick, Marshall Rose, Jean-Louis Seguineau, Alexey Shchepin, Iain Shigeoka, and David Waite. 也感谢 XMPP工作组的成员和 IETF 社区在本文的成文过程中一直提供的评论和反馈。

作者地址

Peter Saint-Andre (编辑)
Jabber Software Foundation
EMail: stpeter@jabber.org

完整的版权声明

Copyright (C) The Internet Society (2004).
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/S HE REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY 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.

知识产权

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 IETF's procedures with respect to rights in IETF 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.

感谢

目前为RFC编辑活动提供资金的Internet Society.
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