private async Task <Notification> CheckForValidResourceTokenAsync()
{
var result = Notification.Success();
if (TokenExpiry.ToUniversalTime() < DateTime.UtcNow.Add(TimeSpan.FromMinutes(5)))
{
Debug.WriteLine("The Cosmos Resource Token is about to expire. Let's get a new one....");
await FetchResourceTokenAsync();
}
return(result);
}
/// <summary>
/// Construct a new token by parsing userCredentialJson.
/// </summary>
public ActiveUserToken(string userCredentialJson, string user)
{
User = user;
JToken parsedCredentialJson = JObject.Parse(userCredentialJson);
JToken accessTokenJson = parsedCredentialJson.SelectToken("access_token");
if (accessTokenJson == null || accessTokenJson.Type != JTokenType.String)
{
throw new InvalidDataException("Credential JSON should contain access token key.");
}
AccessToken = accessTokenJson.Value <string>();
JToken tokenExpiryJson = parsedCredentialJson.SelectToken("token_expiry");
// Service account credentials do not expire.
if (tokenExpiryJson == null || tokenExpiryJson.Type == JTokenType.Null)
{
ExpiredTime = DateTime.MaxValue;
}
else
{
TokenExpiry tokenExpiry = tokenExpiryJson.ToObject <TokenExpiry>();
if (tokenExpiry == null)
{
throw new InvalidDataException("Credential JSON contains an invalid token_expiry.");
}
ExpiredTime = new DateTime(
tokenExpiry.Year,
tokenExpiry.Month,
tokenExpiry.Day,
tokenExpiry.Hour,
tokenExpiry.Minute,
tokenExpiry.Second,
tokenExpiry.MicroSecond / 1000,
DateTimeKind.Utc);
}
}
