В настоящее время я пытаюсь реализовать XACML для приложения и только начал играть с ним, используя библиотеку AuthZForce. У меня есть пример политики, такой как:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<Policy xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" PolicyId="urn:oasis:names:tc:xacml:2.0:conformance-test:IIA1:policy" RuleCombiningAlgId="urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:deny-overrides" Version="1.0">
<Description>
Policy for Conformance Test IIA001.
</Description>
<Target/>
<Rule Effect="Permit" RuleId="urn:oasis:names:tc:xacml:2.0:conformance-test:IIA1:rule">
<Description>
Julius Hibbert can read or write Bart Simpson's medical record.
</Description>
<Target>
<AnyOf>
<AllOf>
<Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
<AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">Julius Hibbert</AttributeValue>
<AttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:subject:subject-id" Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
</Match>
</AllOf>
</AnyOf>
<AnyOf>
<AllOf>
<Match MatchId="urn:oasis:names:tc:xacml:1.0:function:anyURI-equal">
<AttributeValue DataType="http://www.w3.org/2001/XMLSchema#anyURI">http://medico.com/record/patient/BartSimpson</AttributeValue>
<AttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:resource:resource-id" Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource" DataType="http://www.w3.org/2001/XMLSchema#anyURI" MustBePresent="false"/>
</Match>
</AllOf>
</AnyOf>
<AnyOf>
<AllOf>
<Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
<AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">read</AttributeValue>
<AttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
</Match>
</AllOf>
<AllOf>
<Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
<AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">write</AttributeValue>
<AttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
</Match>
</AllOf>
</AnyOf>
</Target>
</Rule>
</Policy>
Поэтому я попытался создать запрос XACML на основе этой политики, надеясь, что он будет разрешен PDP с помощью следующего кода:
System.setProperty("javax.xml.accessExternalSchema", "http");
File a = new File("pdp.xml");
final PdpEngineConfiguration pdpEngineConf = PdpEngineConfiguration.getInstance(a.toURI().toString());
final BasePdpEngine pdp = new BasePdpEngine(pdpEngineConf);
final DecisionRequestBuilder<?> requestBuilder = pdp.newRequestBuilder(-1, -1);
String issuer="Julius Hibbert";
final AttributeFqn subjectIdAttributeId = AttributeFqns.newInstance(XACML_1_0_ACCESS_SUBJECT.value(), Optional.ofNullable(issuer), XacmlAttributeId.XACML_1_0_SUBJECT_ID.value());
final AttributeBag<?> subjectIdAttributeValues = Bags.singletonAttributeBag(StandardDatatypes.STRING, new StringValue("Julius Hibbert"));
requestBuilder.putNamedAttributeIfAbsent(subjectIdAttributeId, subjectIdAttributeValues);
final AttributeFqn resourceIdAttributeId = AttributeFqns.newInstance(XACML_3_0_RESOURCE.value(), Optional.ofNullable(issuer), XacmlAttributeId.XACML_1_0_RESOURCE_ID.value());
final AttributeBag<?> resourceIdAttributeValues = Bags.singletonAttributeBag(StandardDatatypes.STRING, new StringValue("http://medico.com/record/patient/BartSimpson"));
requestBuilder.putNamedAttributeIfAbsent(resourceIdAttributeId, resourceIdAttributeValues);
// Add action ID attribute (action category), no issuer, string value "GET"
final AttributeFqn actionIdAttributeId = AttributeFqns.newInstance(XACML_3_0_ACTION.value(), Optional.ofNullable(issuer), XacmlAttributeId.XACML_1_0_ACTION_ID.value());
final AttributeBag<?> actionIdAttributeValues = Bags.singletonAttributeBag(StandardDatatypes.STRING, new StringValue("write"));
requestBuilder.putNamedAttributeIfAbsent(actionIdAttributeId, actionIdAttributeValues);
// No more attribute, let's finalize the request creation
final DecisionRequest request = requestBuilder.build(false);
// Evaluate the request
final DecisionResult result = pdp.evaluate(request);
if(result.getDecision() == DecisionType.PERMIT) {
// This is a Permit :-)
System.out.println("ok");
} else {
// Not a Permit :-( (maybe Deny, NotApplicable or Indeterminate)
System.out.println("not ok");
}
Но когда я запускаю код, он дает результат NotApplicable, но я не уверен, почему. Есть ли ошибка в моем коде?
