public async virtual Task <ExtendedAccessToken> AuthenticateAsync(string[] scopes, CancellationToken cancellationToken)
{
MsiType msiType = await GetMsiTypeAsync(cancellationToken).ConfigureAwait(false);
// if msi is unavailable or we were unable to determine the type return CredentialUnavailable exception that no endpoint was found
if (msiType == MsiType.Unavailable || msiType == MsiType.Unknown)
{
return(new ExtendedAccessToken(new CredentialUnavailableException(MsiUnavailableError)));
}
using Request request = CreateAuthRequest(msiType, scopes);
Response response = await _pipeline.HttpPipeline.SendRequestAsync(request, cancellationToken).ConfigureAwait(false);
if (response.Status == 200)
{
AccessToken result = await DeserializeAsync(response.ContentStream, cancellationToken).ConfigureAwait(false);
return(new ExtendedAccessToken(result));
}
if (response.Status == 400 && msiType == MsiType.Imds)
{
_msiType = MsiType.Unavailable;
string message = await ResponseExceptionExtensions.CreateRequestFailedMessageAsync(IdentityUnavailableError, response, null, true).ConfigureAwait(false);
return(new ExtendedAccessToken(new CredentialUnavailableException(message)));
}
throw await response.CreateRequestFailedExceptionAsync().ConfigureAwait(false);
}
public virtual ExtendedAccessToken Authenticate(string[] scopes, CancellationToken cancellationToken)
{
MsiType msiType = GetMsiType(cancellationToken);
// if msi is unavailable or we were unable to determine the type return CredentialUnavailable exception that no endpoint was found
if (msiType == MsiType.Unavailable || msiType == MsiType.Unknown)
{
return(new ExtendedAccessToken(new CredentialUnavailableException(MsiUnavailableError)));
}
using Request request = CreateAuthRequest(msiType, scopes);
Response response = _pipeline.HttpPipeline.SendRequest(request, cancellationToken);
if (response.Status == 200)
{
AccessToken result = Deserialize(response.ContentStream);
return(new ExtendedAccessToken(result));
}
if (response.Status == 400 && msiType == MsiType.Imds)
{
_msiType = MsiType.Unavailable;
ValueTask <string> messageTask = ResponseExceptionExtensions.CreateRequestFailedMessageAsync(IdentityUnavailableError, response, null, false);
// TODO: this should use TaskExtensions EnsureCompleted from Azure.Core shared source when it gets move into shared source.
Debug.Assert(messageTask.IsCompleted);
string message = messageTask.GetAwaiter().GetResult();
return(new ExtendedAccessToken(new CredentialUnavailableException(message)));
}
throw response.CreateRequestFailedException();
}
