/// <summary>
/// Returns a policy set document using the PolicySetRefereneId specified.
/// </summary>
/// <param name="policySetReference">The policy set reference with the Id of the policy set searched.</param>
/// <returns>The policy set document.</returns>
public pol.PolicySetElement GetPolicySet(pol.PolicySetIdReferenceElement policySetReference)
{
if (policySetReference == null)
{
throw new ArgumentNullException("policySetReference");
}
pol.PolicyDocument doc = _policySets[policySetReference.PolicySetId] as pol.PolicyDocument;
if (doc != null)
{
return((pol.PolicySetElement)doc.PolicySet); //TODO: check if we have to return a read write or a read only policy here.
}
return(null);
}
/// <summary>
/// Creates a new runtime policy set evaluation.
/// </summary>
/// <param name="engine">The evaluation engine.</param>
/// <param name="policySet">The policy set defined in the policy document.</param>
public PolicySet(EvaluationEngine engine, pol.PolicySetElement policySet)
{
if (engine == null)
{
throw new ArgumentNullException("engine");
}
if (policySet == null)
{
throw new ArgumentNullException("policySet");
}
_policySet = policySet;
// Create a runtime target of this policy set.
if (policySet.Target != null)
{
_target = new Target((pol.TargetElement)policySet.Target);
foreach (pol.ResourceElement resource in policySet.Target.Resources.ItemsList)
{
foreach (pol.ResourceMatchElement rmatch in resource.Match)
{
if (!_allResources.Contains(rmatch.AttributeValue.Contents))
{
_allResources.Add(rmatch.AttributeValue.Contents);
}
}
}
}
// Add all the policies (or policy set) inside this policy set.
foreach (object child in policySet.Policies)
{
pol.PolicySetElement childPolicySet = child as pol.PolicySetElement;
pol.PolicyElement childPolicyElement = child as pol.PolicyElement;
pol.PolicySetIdReferenceElement childPolicySetIdReference = child as pol.PolicySetIdReferenceElement;
pol.PolicyIdReferenceElement childPolicyIdReferenceElement = child as pol.PolicyIdReferenceElement;
if (childPolicySet != null)
{
PolicySet policySetEv = new PolicySet(engine, childPolicySet);
foreach (string rName in policySetEv.AllResources)
{
if (!_allResources.Contains(rName))
{
_allResources.Add(rName);
}
}
_policies.Add(policySetEv);
}
else if (childPolicyElement != null)
{
Policy policyEv = new Policy(childPolicyElement);
foreach (string rName in policyEv.AllResources)
{
if (!_allResources.Contains(rName))
{
_allResources.Add(rName);
}
}
_policies.Add(policyEv);
}
else if (childPolicySetIdReference != null)
{
pol.PolicySetElement policySetDefinition = EvaluationEngine.Resolve(childPolicySetIdReference);
if (policySetDefinition != null)
{
PolicySet policySetEv = new PolicySet(engine, policySetDefinition);
foreach (string rName in policySetEv.AllResources)
{
if (!_allResources.Contains(rName))
{
_allResources.Add(rName);
}
}
_policies.Add(policySetEv);
}
else
{
throw new EvaluationException(Resource.ResourceManager[Resource.MessageKey.exc_policyset_reference_not_resolved, ((pol.PolicySetIdReferenceElement)child).PolicySetId]);
}
}
else if (childPolicyIdReferenceElement != null)
{
pol.PolicyElement policyDefinition = EvaluationEngine.Resolve(childPolicyIdReferenceElement);
if (policyDefinition != null)
{
Policy policyEv = new Policy(policyDefinition);
foreach (string rName in policyEv.AllResources)
{
if (!_allResources.Contains(rName))
{
_allResources.Add(rName);
}
}
_policies.Add(policyEv);
}
else
{
throw new EvaluationException(Resource.ResourceManager[Resource.MessageKey.exc_policy_reference_not_resolved, ((pol.PolicyIdReferenceElement)child).PolicyId]);
}
}
}
}