void SetupRules()
{
IRule accessRightsViolationRule = new Rule(Guid.NewGuid().ToString());
accessRightsViolationRule
.AddVariableScope(_componentVar)
.AddVariableScope(_eventNameVar)
.AddVariableScope(_isAdminVar, true)
.AddVariableScope(_accessRightsVar, true);
//Event-trigger condition
IBooleanBase componentCondition = EqualToExpression.New(_componentVar, new Literal(AUTHENTICATION_COMPONENT_NAME));
IBooleanBase eventCondition = EqualToExpression.New(_eventNameVar, new Literal(AUTHENTICATION_EVENT_NAME));
IBooleanBase matchingEventCondition = AndExpression.New(componentCondition, eventCondition);
//Parameter-trigger condition
IBooleanBase accessRightsCondition = EqualToExpression.New(_accessRightsVar, new Literal(Rights.Full));
IBooleanBase isAdministratorCondition = EqualToExpression.New(_isAdminVar, new Literal(true));
IBooleanBase notAllowedAccessRightsCondition = AndExpression.New(accessRightsCondition, NotExpression.New(isAdministratorCondition));
//Trigger condition
IBooleanBase triggerCondition = AndExpression.New(matchingEventCondition, notAllowedAccessRightsCondition);
accessRightsViolationRule.SetCondition(triggerCondition,
(resultContext, resultRule) =>
{
Console.WriteLine("Access rights violation alert!");
},
(resultContext, resultRule) =>
{
Console.WriteLine("All is well...");
});
RuleManager.GetInstance().AddRule(accessRightsViolationRule);
}
public void TestCondition()
{
Variable x = new Variable("index");
IBooleanBase resultExpression = EqualToExpression.New(x, new Literal("L1", "1"));
IBooleanBase all = AndExpression.New(resultExpression, BooleanExpression.True());
Context context = new Context();
context.Assign(x.Name, "1");
bool invertResult = (NotExpression.New(all)).Evaluate(context);
bool result = all.Evaluate(context);
Assert.IsTrue(result);
}
