public ManagedServiceAccessToken(IAzureAccount account, IAzureEnvironment environment, string resourceId, string tenant = "Common")
{
if (account == null || string.IsNullOrEmpty(account.Id) || !account.IsPropertySet(AzureAccount.Property.MSILoginUri))
{
throw new ArgumentNullException(nameof(account));
}
if (string.IsNullOrWhiteSpace(tenant))
{
throw new ArgumentNullException(nameof(tenant));
}
if (environment == null)
{
throw new ArgumentNullException(nameof(environment));
}
_account = account;
_resourceId = GetResource(resourceId, environment);
var idType = GetIdentityType(account);
foreach (var uri in BuildTokenUri(_account.GetProperty(AzureAccount.Property.MSILoginUri), account, idType, _resourceId))
{
RequestUris.Enqueue(uri);
}
if (account.IsPropertySet(AzureAccount.Property.MSILoginUriBackup))
{
foreach (var uri in BuildTokenUri(_account.GetProperty(AzureAccount.Property.MSILoginUriBackup), account, idType, _resourceId))
{
RequestUris.Enqueue(uri);
}
}
_tenant = tenant;
IHttpOperationsFactory factory;
if (!AzureSession.Instance.TryGetComponent(HttpClientOperationsFactory.Name, out factory))
{
factory = HttpClientOperationsFactory.Create();
}
_tokenGetter = factory.GetHttpOperations <ManagedServiceTokenInfo>(true).WithHeader("Metadata", new[] { "true" });
if (account.IsPropertySet(AzureAccount.Property.MSILoginSecret))
{
_tokenGetter = _tokenGetter.WithHeader("Secret", new[] { account.GetProperty(AzureAccount.Property.MSILoginSecret) });
}
}
void GetOrRenewAuthentication()
{
if (_expiration - DateTime.UtcNow < ManagedServiceTokenInfo.TimeoutThreshold)
{
ManagedServiceTokenInfo info = null;
while (info == null && RequestUris.Count > 0)
{
var currentRequestUri = RequestUris.Dequeue();
try
{
info = _tokenGetter.GetAsync(currentRequestUri, CancellationToken.None).ConfigureAwait(false).GetAwaiter().GetResult();
// if a request was succesful, we should not check any other Uris
RequestUris.Clear();
RequestUris.Enqueue(currentRequestUri);
}
catch (Exception e) when((e is CloudException || e is HttpRequestException) && RequestUris.Count > 0)
{
// skip to the next uri
}
}
SetToken(info);
}
}
