2

考虑我有以下示例 xacml 请求。我如何修改它以评估对多个操作的多个决策。

<Request xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17"
CombinedDecision="false" ReturnPolicyIdList="false">
<Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource">
    <Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:resource:resource-id"
        IncludeInResult="false">
        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Resource</AttributeValue>
    </Attribute>
</Attributes>
<Attributes
    Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject">
    <Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:subject:subject-id"
        IncludeInResult="false">
        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Subject</AttributeValue>
    </Attribute>
</Attributes>
<Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action">
    <Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id"
        IncludeInResult="true">
        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Action</AttributeValue>
    </Attribute>
</Attributes>

4

1 回答 1

1

是的，当然，这是一本使用 XACML v3.0 多决策配置文件版本 1.0（标准|博客文章）中定义的多决策请求的教科书。

您需要做的就是多次重复 Action 类别（<Attributes/>元素），即重复整个元素：

   <xacml-ctx:Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" >
      <xacml-ctx:Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" IncludeInResult="true">
         <xacml-ctx:AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">View</xacml-ctx:AttributeValue>
      </xacml-ctx:Attribute>
   </xacml-ctx:Attributes>

只需更改内部的属性，即添加/删除任意数量的<Attribute/>元素。

<xacml-ctx:Request ReturnPolicyIdList="false" CombinedDecision="false" xmlns:xacml-ctx="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17">
   <xacml-ctx:Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" >
      <xacml-ctx:Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" IncludeInResult="true">
         <xacml-ctx:AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Edit</xacml-ctx:AttributeValue>
      </xacml-ctx:Attribute>
   </xacml-ctx:Attributes>
   <xacml-ctx:Attributes Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" >
      <xacml-ctx:Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:subject:subject-id" IncludeInResult="true">
         <xacml-ctx:AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Alice</xacml-ctx:AttributeValue>
      </xacml-ctx:Attribute>
   </xacml-ctx:Attributes>
   <xacml-ctx:Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" >
      <xacml-ctx:Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" IncludeInResult="true">
         <xacml-ctx:AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">View</xacml-ctx:AttributeValue>
      </xacml-ctx:Attribute>
   </xacml-ctx:Attributes>
   <xacml-ctx:Attributes Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource" >
      <xacml-ctx:Attribute AttributeId="urn:oasis:names:tc:xacml:1.0:resource:resource-id" IncludeInResult="false">
         <xacml-ctx:AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Resource</xacml-ctx:AttributeValue>
      </xacml-ctx:Attribute>
   </xacml-ctx:Attributes>
</xacml-ctx:Request>

在 Axiomatics Policy Administration Point 中，它是这样的：

公理化中多决策请求的模拟

于 2015-11-26T12:17:37.787 回答