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This article addresses the following authorization requirements.

1. The operation getEmployees in the service "http://localhost:8280/services/Customers" should only be accessed by users belonging to both the admin_emps and admin groups.
2. If the user belongs to a group other than admin_emps or admin, the request should fail.

3. Requests to any other service or operation should fail.

<Policy xmlns="urn:oasis:names:tc:xacml:2.0:policy:schema:os"  PolicyId="urn:sample:xacml:2.0:samplepolicy" RuleCombiningAlgId="urn:oasis:names:tc:xacml:1.0:rule-combining-algorithm:first-applicable">
   <Description>Sample XACML Authorization Policy</Description>
   <Target></Target>
   <Rule Effect="Permit" RuleId="primary-group-emps-rule">
      <Target>
         <Resources>
            <Resource>
               <ResourceMatch MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
                  <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">http://localhost:8280/services/Customers/getEmployees</AttributeValue>
                  <ResourceAttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:resource:resource-id" DataType="http://www.w3.org/2001/XMLSchema#string"></ResourceAttributeDesignator>
               </ResourceMatch>
            </Resource>
         </Resources>
         <Actions>
            <Action>
               <ActionMatch MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
                  <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">read</AttributeValue>
                  <ActionAttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" DataType="http://www.w3.org/2001/XMLSchema#string"></ActionAttributeDesignator>
               </ActionMatch>
            </Action>
         </Actions>
      </Target>
      <Condition>
         <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-set-equals">
            <SubjectAttributeDesignator AttributeId="group" DataType="http://www.w3.org/2001/XMLSchema#string"></SubjectAttributeDesignator>
            <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:string-bag">
               <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">admin_emps</AttributeValue>
               <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">admin</AttributeValue>
            </Apply>
         </Apply>
      </Condition>
   </Rule>
   <Rule Effect="Deny" RuleId="deny-rule"></Rule>
</Policy>
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