public static bool ContainsTenant(string tenantId)
{
using (TenantDbContext context = new TenantDbContext())
{
return context.Tenants
.Where(tenant => tenant.Id == tenantId)
.Any();
}
}
public static bool ContainsKey(string thumbprint)
{
using (TenantDbContext context = new TenantDbContext())
{
return context.IssuingAuthorityKeys
.Where(key => key.Id == thumbprint)
.Any();
}
}
public static void RefreshKeys(string metadataLocation)
{
IssuingAuthority issuingAuthority = ValidatingIssuerNameRegistry.GetIssuingAuthority(metadataLocation);
bool newKeys = false;
bool refreshTenant = false;
foreach (string thumbprint in issuingAuthority.Thumbprints)
{
if (!ContainsKey(thumbprint))
{
newKeys = true;
refreshTenant = true;
break;
}
}
foreach (string issuer in issuingAuthority.Issuers)
{
if (!ContainsTenant(GetIssuerId(issuer)))
{
refreshTenant = true;
break;
}
}
if (newKeys || refreshTenant)
{
using (TenantDbContext context = new TenantDbContext())
{
if (newKeys)
{
context.IssuingAuthorityKeys.RemoveRange(context.IssuingAuthorityKeys);
foreach (string thumbprint in issuingAuthority.Thumbprints)
{
context.IssuingAuthorityKeys.Add(new IssuingAuthorityKey { Id = thumbprint });
}
}
if (refreshTenant)
{
foreach (string issuer in issuingAuthority.Issuers)
{
string issuerId = GetIssuerId(issuer);
if (!ContainsTenant(issuerId))
{
context.Tenants.Add(new Tenant { Id = issuerId });
}
}
}
context.SaveChanges();
}
}
}