Call WAMS hosted APIs authenticated with Auth0

gistfile1.cs

class Program
{
	private const string Auth0Domain = "{YOU}.auth0.com";
	private const string clientId = "{AUTH0_CLIENT_ID}";
	private const string targetClientId = "{THE_WAMS_CLIENT_ID_IN_AUTH0}";
	private const string id_token = "{USER_ID_TOKEN}";
	private const string wamsEndpoint = "https://auth0-tests.azure-mobile.net/tables/people";
	
	static void Main(string[] args)
	{
	    RunAsync().Wait();
	}
	
	private static async Task RunAsync()
	{
	    // Get WAMS Token
	    var wamsToken = string.Empty;
	    
	    using (var client = new HttpClient { BaseAddress = new Uri(string.Format("https://{0}/", Auth0Domain)) })
	    {
	        var parameters = new Dictionary<string, string>()
	        {
	            { "client_id", clientId },
	            { "grant_type", "urn:ietf:params:oauth:grant-type:jwt-bearer" },
	            { "id_token", id_token },
	            { "target", targetClientId },
	            { "scope", "openid email" }
	        };
	
	        try
	        {
	            var response = await client.PostAsync("delegation", new FormUrlEncodedContent(parameters));
	            response.EnsureSuccessStatusCode();
	
	            var delegationResult = await response.Content.ReadAsAsync<DelegationResult>();
	            wamsToken = delegationResult.IdToken;
	
	            Console.WriteLine("WAMS Token: " + wamsToken);
	        }
	        catch (HttpRequestException)
	        {
	            throw;
	        }
	    }
	
	    // Call WAMS endpoint
	    using (var client = new HttpClient())
	    {
	        client.DefaultRequestHeaders.Accept.Clear();
	        client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
	        client.DefaultRequestHeaders.Add("x-zumo-auth", wamsToken);
	
	        var response = await client.GetAsync(wamsEndpoint);
	        var responseString = await response.Content.ReadAsStringAsync();
	
	        Console.WriteLine("\r\nWAMS Response: HTTP: {0}, Content: {1}", response.StatusCode, responseString);
	    }
	
	    Console.WriteLine("\r\nDone. Press any key to exit...");
	    Console.ReadKey();
	}
	
	[DataContract]
	public class DelegationResult
	{
	    [DataMember(Name="id_token")]
	    public string IdToken { get; set; }
	
	    [DataMember(Name="expires_in")]
	    public long ExpiresIn { get; set; }
	}
}