RFC: 3920
Оригинал: Extensible Messaging and Presence Protocol (XMPP): Core
Другие версии: RFC 6120
Категория: Предложенный стандарт
Дата публикации:
Автор:
Перевод: Семенов Юрий Алексеевич

Приложение C. XML-схемы

Следующие схемы XML являются описательными, а не нормативными. Для схем, определяющих пространства имен 'jabber:client' 'jabber:server', смотри [XMPP-IM].

C.1. Пространство имен потоков

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='http://etherx.jabber.org/streams'
    xmlns='http://etherx.jabber.org/streams'
    elementFormDefault='unqualified'>

  <xs:element name='stream'>
    <xs:complexType>
      <xs:sequence xmlns:client='jabber:client'
                   xmlns:server='jabber:server'
                   xmlns:db='jabber:server:dialback'>
        <xs:element ref='features' minOccurs='0' maxOccurs='1'/>
        <xs:any namespace='urn:ietf:params:xml:ns:xmpp-tls'
                minOccurs='0'
                maxOccurs='unbounded'/>
        <xs:any namespace='urn:ietf:params:xml:ns:xmpp-sasl'
                minOccurs='0'
                maxOccurs='unbounded'/>
        <xs:choice minOccurs='0' maxOccurs='1'>
          <xs:choice minOccurs='0' maxOccurs='unbounded'>
            <xs:element ref='client:message'/>
            <xs:element ref='client:presence'/>
            <xs:element ref='client:iq'/>
          </xs:choice>
          <xs:choice minOccurs='0' maxOccurs='unbounded'>
            <xs:element ref='server:message'/>
            <xs:element ref='server:presence'/>
            <xs:element ref='server:iq'/>
            <xs:element ref='db:result'/>
            <xs:element ref='db:verify'/>
          </xs:choice>
        </xs:choice>
        <xs:element ref='error' minOccurs='0' maxOccurs='1'/>
      </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='version' type='xs:decimal' use='optional'/>
      <xs:attribute ref='xml:lang' use='optional'/>
    </xs:complexType>
  </xs:element>

  <xs:element name='features'>
    <xs:complexType>
      <xs:all xmlns:tls='urn:ietf:params:xml:ns:xmpp-tls'
              xmlns:sasl='urn:ietf:params:xml:ns:xmpp-sasl'
              xmlns:bind='urn:ietf:params:xml:ns:xmpp-bind'
              xmlns:sess='urn:ietf:params:xml:ns:xmpp-session'>
        <xs:element ref='tls:starttls' minOccurs='0'/>
        <xs:element ref='sasl:mechanisms' minOccurs='0'/>
        <xs:element ref='bind:bind' minOccurs='0'/>
        <xs:element ref='sess:session' minOccurs='0'/>
      </xs:all>
    </xs:complexType>
  </xs:element>

  <xs:element name='error'>
    <xs:complexType>
      <xs:sequence  xmlns:err='urn:ietf:params:xml:ns:xmpp-streams'>
        <xs:group   ref='err:streamErrorGroup'/>
        <xs:element ref='err:text'
                    minOccurs='0'
                    maxOccurs='1'/>
      </xs:sequence>
    </xs:complexType>

  </xs:element>

</xs:schema>

C.2. Пространство имен потоковых ошибок

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:ietf:params:xml:ns:xmpp-streams'
    xmlns='urn:ietf:params:xml:ns:xmpp-streams'
    elementFormDefault='qualified'>

  <xs:element name='bad-format' type='empty'/>
  <xs:element name='bad-namespace-prefix' type='empty'/>
  <xs:element name='conflict' type='empty'/>
  <xs:element name='connection-timeout' type='empty'/>
  <xs:element name='host-gone' type='empty'/>
  <xs:element name='host-unknown' type='empty'/>
  <xs:element name='improper-addressing' type='empty'/>
  <xs:element name='internal-server-error' type='empty'/>
  <xs:element name='invalid-from' type='empty'/>
  <xs:element name='invalid-id' type='empty'/>
  <xs:element name='invalid-namespace' type='empty'/>
  <xs:element name='invalid-xml' type='empty'/>
  <xs:element name='not-authorized' type='empty'/>
  <xs:element name='policy-violation' type='empty'/>
  <xs:element name='remote-connection-failed' type='empty'/>
  <xs:element name='resource-constraint' type='empty'/>
  <xs:element name='restricted-xml' type='empty'/>
  <xs:element name='see-other-host' type='xs:string'/>
  <xs:element name='system-shutdown' type='empty'/>
  <xs:element name='undefined-condition' type='empty'/>
  <xs:element name='unsupported-encoding' type='empty'/>
  <xs:element name='unsupported-stanza-type' type='empty'/>
  <xs:element name='unsupported-version' type='empty'/>
  <xs:element name='xml-not-well-formed' type='empty'/>

  <xs:group name='streamErrorGroup'>
    <xs:choice>
      <xs:element ref='bad-format'/>
      <xs:element ref='bad-namespace-prefix'/>
      <xs:element ref='conflict'/>
      <xs:element ref='connection-timeout'/>
      <xs:element ref='host-gone'/>
      <xs:element ref='host-unknown'/>
      <xs:element ref='improper-addressing'/>
      <xs:element ref='internal-server-error'/>
      <xs:element ref='invalid-from'/>
      <xs:element ref='invalid-id'/>
      <xs:element ref='invalid-namespace'/>
      <xs:element ref='invalid-xml'/>
      <xs:element ref='not-authorized'/>
      <xs:element ref='policy-violation'/>
      <xs:element ref='remote-connection-failed'/>
      <xs:element ref='resource-constraint'/>
      <xs:element ref='restricted-xml'/>
      <xs:element ref='see-other-host'/>
      <xs:element ref='system-shutdown'/>
      <xs:element ref='undefined-condition'/>
      <xs:element ref='unsupported-encoding'/>
      <xs:element ref='unsupported-stanza-type'/>
      <xs:element ref='unsupported-version'/>
      <xs:element ref='xml-not-well-formed'/>
    </xs:choice>
  </xs:group>

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

</xs:schema>

C.3. Пространство имен TLS

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:ietf:params:xml:ns:xmpp-tls'
    xmlns='urn:ietf:params:xml:ns:xmpp-tls'
    elementFormDefault='qualified'>
  <xs:element name='starttls'>
    <xs:complexType>
      <xs:sequence>
        <xs:element
            name='required'
            minOccurs='0'
            maxOccurs='1'
            type='empty'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='proceed' type='empty'/>
  <xs:element name='failure' type='empty'/>

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

</xs:schema>

C.4. Пространство имен SASL

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:ietf:params:xml:ns:xmpp-sasl'
    xmlns='urn:ietf:params:xml:ns:xmpp-sasl'
    elementFormDefault='qualified'>

  <xs:element name='mechanisms'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='mechanism'
                    maxOccurs='unbounded'
                    type='xs:string'/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name='auth'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='mechanism'
                        type='xs:string'
                        use='optional'/>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='challenge' type='xs:string'/>
  <xs:element name='response' type='xs:string'/>
  <xs:element name='abort' type='empty'/>
  <xs:element name='success' type='empty'/>

  <xs:element name='failure'>
    <xs:complexType>
      <xs:choice minOccurs='0'>
        <xs:element name='aborted' type='empty'/>
        <xs:element name='incorrect-encoding' type='empty'/>
        <xs:element name='invalid-authzid' type='empty'/>
        <xs:element name='invalid-mechanism' type='empty'/>
        <xs:element name='mechanism-too-weak' type='empty'/>
        <xs:element name='not-authorized' type='empty'/>
        <xs:element name='temporary-auth-failure' type='empty'/>
      </xs:choice>
    </xs:complexType>
  </xs:element>
  <xs:simpleType name='empty'>
    <xs:restriction base='xs:string'>
      <xs:enumeration value=''/>
    </xs:restriction>
  </xs:simpleType>

</xs:schema>

C.5. Пространство имен подключения ресурсов

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:ietf:params:xml:ns:xmpp-bind'
    xmlns='urn:ietf:params:xml:ns:xmpp-bind'
    elementFormDefault='qualified'>

  <xs:element name='bind'>
    <xs:complexType>
      <xs:choice minOccurs='0' maxOccurs='1'>
        <xs:element name='resource' type='xs:string'/>
        <xs:element name='jid' type='xs:string'/>
      </xs:choice>
    </xs:complexType>
  </xs:element>

</xs:schema>

C.6. Пространство имен Dialback

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='jabber:server:dialback'
    xmlns='jabber:server:dialback'
    elementFormDefault='qualified'>

  <xs:element name='result'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='xs:token'>
          <xs:attribute name='from' type='xs:string' use='required'/>
          <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='invalid'/>
                <xs:enumeration value='valid'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name='verify'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='xs:token'>
          <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='optional'>
            <xs:simpleType>
              <xs:restriction base='xs:NCName'>
                <xs:enumeration value='invalid'/>
                <xs:enumeration value='valid'/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

</xs:schema>

C.7. Пространство имен ошибок строф

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='urn:ietf:params:xml:ns:xmpp-stanzas'
    xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'
    elementFormDefault='qualified'>

  <xs:element name='bad-request' type='empty'/>
  <xs:element name='conflict' type='empty'/>
  <xs:element name='feature-not-implemented' type='empty'/>
  <xs:element name='forbidden' type='empty'/>
  <xs:element name='gone' type='xs:string'/>
  <xs:element name='internal-server-error' type='empty'/>
  <xs:element name='item-not-found' type='empty'/>
  <xs:element name='jid-malformed' type='empty'/>
  <xs:element name='not-acceptable' type='empty'/>
  <xs:element name='not-allowed' type='empty'/>
  <xs:element name='payment-required' type='empty'/>
  <xs:element name='recipient-unavailable' type='empty'/>
  <xs:element name='redirect' type='xs:string'/>
  <xs:element name='registration-required' type='empty'/>
  <xs:element name='remote-server-not-found' type='empty'/>
  <xs:element name='remote-server-timeout' type='empty'/>
  <xs:element name='resource-constraint' type='empty'/>
  <xs:element name='service-unavailable' type='empty'/>
  <xs:element name='subscription-required' type='empty'/>
  <xs:element name='undefined-condition' type='empty'/>
  <xs:element name='unexpected-request' type='empty'/>

  <xs:group name='stanzaErrorGroup'>
    <xs:choice>
      <xs:element ref='bad-request'/>
      <xs:element ref='conflict'/>
      <xs:element ref='feature-not-implemented'/>
      <xs:element ref='forbidden'/>
      <xs:element ref='gone'/>
      <xs:element ref='internal-server-error'/>
      <xs:element ref='item-not-found'/>
      <xs:element ref='jid-malformed'/>
      <xs:element ref='not-acceptable'/>
      <xs:element ref='not-allowed'/>
      <xs:element ref='payment-required'/>
      <xs:element ref='recipient-unavailable'/>
      <xs:element ref='redirect'/>
      <xs:element ref='registration-required'/>
      <xs:element ref='remote-server-not-found'/>
      <xs:element ref='remote-server-timeout'/>
      <xs:element ref='resource-constraint'/>
      <xs:element ref='service-unavailable'/>
      <xs:element ref='subscription-required'/>
      <xs:element ref='undefined-condition'/>
      <xs:element ref='unexpected-request'/>
    </xs:choice>
  </xs:group>

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

</xs:schema>
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