private bool TryGetCacheValue(AuthorityInfo authorityInfo, string userPrincipalName, out AuthorityEndpoints endpoints)
{
endpoints = null;
if (!s_endpointCacheEntries.TryGetValue(authorityInfo.CanonicalAuthority, out var cacheEntry))
{
return(false);
}
if (authorityInfo.AuthorityType != AuthorityType.Adfs)
{
endpoints = cacheEntry.Endpoints;
return(true);
}
if (!string.IsNullOrEmpty(userPrincipalName))
{
if (!cacheEntry.ValidForDomainsList.Contains(AdfsUpnHelper.GetDomainFromUpn(userPrincipalName)))
{
return(false);
}
}
endpoints = cacheEntry.Endpoints;
return(true);
}
private void Add(AuthorityInfo authorityInfo, string userPrincipalName, AuthorityEndpoints endpoints)
{
var updatedCacheEntry = new AuthorityEndpointCacheEntry(endpoints);
if (authorityInfo.AuthorityType == AuthorityType.Adfs)
{
// Since we're here, we've made a call to the backend. We want to ensure we're caching
// the latest values from the server.
if (s_endpointCacheEntries.TryGetValue(authorityInfo.CanonicalAuthority, out var cacheEntry))
{
foreach (string s in cacheEntry.ValidForDomainsList)
{
updatedCacheEntry.ValidForDomainsList.Add(s);
}
}
updatedCacheEntry.ValidForDomainsList.Add(AdfsUpnHelper.GetDomainFromUpn(userPrincipalName));
}
s_endpointCacheEntries.TryAdd(authorityInfo.CanonicalAuthority, updatedCacheEntry);
}
private async Task <DrsMetadataResponse> GetMetadataFromEnrollmentServerAsync(
string userPrincipalName,
RequestContext requestContext)
{
try
{
// attempt to connect to on-premise enrollment server first.
return(await QueryEnrollmentServerEndpointAsync(
Constants.FormatEnterpriseRegistrationOnPremiseUri(AdfsUpnHelper.GetDomainFromUpn(userPrincipalName)),
requestContext).ConfigureAwait(false));
}
catch (Exception exc)
{
requestContext.Logger.InfoPiiWithPrefix(
exc,
"On-Premise ADFS enrollment server endpoint lookup failed. Error - ");
}
return(await QueryEnrollmentServerEndpointAsync(
Constants.FormatEnterpriseRegistrationInternetUri(AdfsUpnHelper.GetDomainFromUpn(userPrincipalName)),
requestContext).ConfigureAwait(false));
}