/// <summary>
/// Constructor taking the underlying TableEntity object that is read/written in Azure Storage
/// </summary>
/// <param name="token">The underlying TableEntity object</param>
/// <param name="username">The username</param>
internal OAuth2AzureToken(OAuth2AzureTokenData token, string username)
{
this.token = token;
this.Username = username;
}
/// <summary>
/// Creates or retrieves an OAuth2Token object based on the specified parameters.
/// The object is not stored in Azure until a call is made to SaveToken.
/// If this method returns isNew = true, then caller must make sure SaveToken is called
/// to persist the token in Azure Storage
/// </summary>
/// <param name="username">The username</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="consumerSecret">The consumer secret</param>
/// <param name="isNew">Out parameter which indicates if the token was retrieved from store (isNew = false).
/// If the token was not retrieved from the store, the caller must persist the token to the store by calling
/// SaveToken()
/// </param>
/// <returns></returns>
protected override OAuth2Token CreateTokenInStore(string username, string consumerKey, string consumerSecret, out bool isNew)
{
try
{
isNew = false;
TableOperation op = TableOperation.Retrieve<OAuth2TokenReference>(consumerKey, consumerSecret);
TableResult result = table.Execute(op);
OAuth2TokenReference token = result.Result as OAuth2TokenReference;
if (token != null)
{
if (GetToken(token.AccessToken) != null)
{
OAuth2AzureTokenData data = new OAuth2AzureTokenData(token.AccessToken, DateTime.UtcNow.AddMinutes(OAuth2Config.OAuth2TokenValidityMinutes));
data.ConsumerKey = consumerKey;
data.ConsumerSecret = consumerSecret;
return new OAuth2AzureToken(data, username);
}
}
isNew = true;
string rtoken = Guid.NewGuid().ToString();
string etoken = Convert.ToBase64String(Encoding.UTF8.GetBytes(rtoken));
OAuth2AzureTokenData data2 = new OAuth2AzureTokenData(etoken, DateTime.UtcNow.AddMinutes(OAuth2Config.OAuth2TokenValidityMinutes));
data2.ConsumerKey = consumerKey;
data2.ConsumerSecret = consumerSecret;
return new OAuth2AzureToken(data2, username);
}
catch (Exception ex)
{
Logger.Error("CreateToken Failed", ex);
isNew = false;
return null;
}
}