public async Task <InstanceDiscoveryMetadataEntry> GetMetadataEntryTryAvoidNetworkAsync(
string authority,
IEnumerable <string> existingEnvironmentsInCache,
RequestContext requestContext)
{
AuthorityType type = Authority.GetAuthorityType(authority);
Uri authorityUri = new Uri(authority);
string environment = authorityUri.Host;
switch (type)
{
case AuthorityType.Aad:
return
(_userMetadataProvider?.GetMetadataOrThrow(environment, requestContext.Logger) ?? // if user provided metadata but entry is not found, fail fast
_networkCacheMetadataProvider.GetMetadata(environment, requestContext.Logger) ??
_knownMetadataProvider.GetMetadata(environment, existingEnvironmentsInCache, requestContext.Logger) ??
await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
case AuthorityType.Adfs:
case AuthorityType.B2C:
requestContext.Logger.Info("[Instance Discovery] Skipping Instance discovery for non-AAD authority");
return(await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
default:
throw new InvalidOperationException("Unexpected authority type " + type);
}
}
public async Task KnownMetadataProviderIsCheckedSecondAsync()
{
// Arrange
var otherEnvs = new[] { "env1", "env2" };
// No response from the static provider
_staticMetadataProvider.GetMetadata("some_env.com").Returns((InstanceDiscoveryMetadataEntry)null);
_knownMetadataProvider.GetMetadata("some_env.com", otherEnvs).Returns(_expectedResult);
// Act
InstanceDiscoveryMetadataEntry actualResult = await _discoveryManager.GetMetadataEntryTryAvoidNetworkAsync(
"https://some_env.com/tid",
otherEnvs,
_testRequestContext)
.ConfigureAwait(false);
// Assert
Assert.AreSame(_expectedResult, actualResult, "The known metadata provider should be queried second");
_staticMetadataProvider.Received(1).GetMetadata("some_env.com");
_knownMetadataProvider.Received(1).GetMetadata("some_env.com", otherEnvs);
}
public async Task <InstanceDiscoveryMetadataEntry> GetMetadataEntryTryAvoidNetworkAsync(
AuthorityInfo authorityInfo,
IEnumerable <string> existingEnvironmentsInCache,
RequestContext requestContext)
{
string environment = authorityInfo.Host;
if (authorityInfo.IsInstanceDiscoverySupported)
{
return
(_userMetadataProvider?.GetMetadataOrThrow(environment, requestContext.Logger) ?? // if user provided metadata but entry is not found, fail fast
await _regionDiscoveryProvider.GetMetadataAsync(new Uri(authorityInfo.CanonicalAuthority), requestContext).ConfigureAwait(false) ??
_networkCacheMetadataProvider.GetMetadata(environment, requestContext.Logger) ??
_knownMetadataProvider.GetMetadata(environment, existingEnvironmentsInCache, requestContext.Logger) ??
await GetMetadataEntryAsync(authorityInfo, requestContext).ConfigureAwait(false));
}
else
{
requestContext.Logger.Info($"Skipping Instance discovery for {authorityInfo.AuthorityType} authority");
return(await GetMetadataEntryAsync(authorityInfo, requestContext).ConfigureAwait(false));
}
}
public async Task <InstanceDiscoveryMetadataEntry> GetMetadataEntryTryAvoidNetworkAsync(
string authority,
IEnumerable <string> existingEnvironmentsInCache,
RequestContext requestContext)
{
AuthorityType type = Authority.GetAuthorityType(authority);
Uri authorityUri = new Uri(authority);
string environment = authorityUri.Host;
switch (type)
{
case AuthorityType.Aad:
InstanceDiscoveryMetadataEntry entry = _staticMetadataProvider.GetMetadata(environment);
if (entry != null)
{
return(entry);
}
entry = _knownMetadataProvider.GetMetadata(environment, existingEnvironmentsInCache);
if (entry != null)
{
return(entry);
}
return(await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
case AuthorityType.Adfs:
case AuthorityType.B2C:
return(await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
default:
throw new InvalidOperationException("Unexpected authority type " + type);
}
}