protected override async Task HandleRequirementAsync(AuthorizationHandlerContext context, AbacRequirement requirement)
{
if (context.User.Identity.IsAuthenticated)
{
try
{
var policy = await _runtimeAuthorizationServerStore
.GetPolicyAsync(requirement.Name);
if (policy is object)
{
Log.AbacAuthorizationHandlerIsEvaluatingPolicy(_logger, policy.Name, policy.Content);
var abacContext = await _abacAuthorizationContextFactory.Create(context);
var abacPolicy = AbacAuthorizationPolicy.CreateFromGrammar(policy.Content, WellKnownGrammars.Bal);
if (abacPolicy.IsSatisfied(abacContext))
{
Log.AbacAuthorizationHandlerEvaluationSuccesss(_logger, policy.Name);
context.Succeed(requirement);
return;
}
}
}
catch (Exception ex)
{
Log.AbacAuthorizationHandlerThrow(_logger, ex);
}
}
context.Fail();
}