/// <summary>
/// Initializes a new instance of the <see cref="ManagedIdentityTokenSource"/> class.
/// </summary>
/// <param name="resource">
/// The Azure Active Directory resource identifier of the web API being invoked.
/// For example, <c>https://management.core.windows.net/.default</c> or <c>https://graph.microsoft.com/.default</c>.
/// </param>
/// <param name="options">Optional Azure credential options to use when authenticating.</param>
public ManagedIdentityTokenSource(string resource, ManagedIdentityOptions options = null)
{
this.Resource = resource ?? throw new ArgumentNullException(nameof(resource));
this.Options = options;
if (this.Resource.Equals("https://management.core.windows.net") || this.Resource.Equals("https://management.core.windows.net/"))
{
this.Resource = "https://management.core.windows.net/.default";
}
else if (this.Resource.Equals("https://graph.microsoft.com") || this.Resource.Equals("https://graph.microsoft.com/"))
{
this.Resource = "https://graph.microsoft.com/.default";
}
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var safeTokenSerializer = GetTokenSourceSerializer(serializer);
JToken json = JToken.ReadFrom(reader);
if (json.Type == JTokenType.Null)
{
return(null);
}
JObject jsonObject = (JObject)json;
if (jsonObject.TryGetValue("kind", out JToken kindValue))
{
if (Enum.TryParse((string)kindValue, out TokenSourceType tokenSourceKind) &&
tokenSourceKind == TokenSourceType.AzureManagedIdentity)
{
string resourceString = (string)jsonObject.GetValue("resource", StringComparison.Ordinal);
if (jsonObject.TryGetValue("options", out JToken optionsToken))
{
ManagedIdentityOptions managedIdentityOptions = optionsToken.ToObject <JObject>().ToObject <ManagedIdentityOptions>();
return(new ManagedIdentityTokenSource(resourceString, managedIdentityOptions));
}
return(new ManagedIdentityTokenSource(resourceString));
}
throw new NotSupportedException($"The token source kind '{kindValue.ToString(Formatting.None)}' is not supported.");
}
else if (jsonObject.TryGetValue("$type", StringComparison.Ordinal, out JToken clrTypeValue))
{
Type runtimeType = Type.GetType((string)clrTypeValue, throwOnError: true);
return(jsonObject.ToObject(runtimeType, safeTokenSerializer));
}
else
{
// Don't know how to deserialize this - use default behavior (this may fail)
return(jsonObject.ToObject(objectType));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ManagedIdentityTokenSource"/> class.
/// </summary>
/// <param name="resource">
/// The Azure Active Directory resource identifier of the web API being invoked.
/// For example, <c>https://management.core.windows.net/</c> or <c>https://graph.microsoft.com/</c>.
/// </param>
/// <param name="options">Optional Azure credential options to use when authenticating.</param>
public ManagedIdentityTokenSource(string resource, ManagedIdentityOptions options = null)
{
this.Resource = resource ?? throw new ArgumentNullException(nameof(resource));
this.Options = options;
}