public static FileIndexKeyValueStorage <TKey, TValue> Open(
string filename,
AccessStrategy strategy = AccessStrategy.MemoryMapped,
ISerializer <TValue> serializer = null,
IIndexSerializer <TKey> indexFactory = null,
Policy policy = null)
{
var fi = new FileInfo(filename);
var reader = GetReaderForStrategy(strategy, fi);
if (policy != null)
{
reader = new PolicyStore(reader, policy);
}
return(new FileIndexKeyValueStorage <TKey, TValue>(fi, reader, serializer, indexFactory));
}
protected override async Task HandleRequirementAsync(
AuthorizationHandlerContext context,
RiskRequirement requirement
)
{
if (context.Resource is AuthorizationFilterContext mvcContext)
{
var user = context.User.FindFirstValue("name");
var role = context.User.FindFirstValue(ClaimTypes.Role);
var(mandatory, discretionary) = PolicyStore.GetAuthorizationScheme(mvcContext.RouteData);
var riskScore = await _riskService.DetermineRisk(user, role, mandatory, discretionary);
mvcContext.HttpContext.Items["risk"] = riskScore;
if (riskScore < requirement.MaximumRisk)
{
context.Succeed(requirement);
return;
}
}
context.Fail();
}
