http-auth.xsd

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

<xs:schema
    xmlns:xs='http://www.w3.org/2001/XMLSchema'
    targetNamespace='http://jabber.org/protocol/http-auth'
    xmlns='http://jabber.org/protocol/http-auth'
    elementFormDefault='qualified'>
  
  <xs:annotation>
    <xs:documentation>
      The protocol documented by this schema is defined in
      XEP-0070: https://xmpp.org/extensions/xep-0070.html
    </xs:documentation>
  </xs:annotation>

  <xs:element name='confirm'>
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base='empty'>
          <xs:attribute name='id' use='required' type='xs:string'/>
          <xs:attribute name='method' use='required' type='xs:NCName'/>
          <xs:attribute name='url' use='required' type='xs:anyURI'/>
        </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>