/// <summary>
/// Uses a magic code in message text to create a TokenResponse.
/// </summary>
/// <param name="userTokenClient">The UserTokenClient to use.</param>
/// <param name="connectionName">The Connection Name to use.</param>
/// <param name="activity">A message activity.</param>
/// <param name="cancellationToken">A CancellationToken.</param>
/// <returns>A TokenResponse.</returns>
public static async Task <TokenResponse> CreateTokenResponseFromMessageAsync(UserTokenClient userTokenClient, string connectionName, Activity activity, CancellationToken cancellationToken)
{
// Attempt to recognize a magic code in the message text.
var magicCode = RecognizeMagicCode(activity);
// If we have a magic code then call the user token service.
var userId = activity.From.Id;
var channelId = activity.ChannelId;
return(magicCode != null ? await userTokenClient.GetUserTokenAsync(userId, connectionName, channelId, magicCode, cancellationToken).ConfigureAwait(false) : null);
}
private static async Task <TokenResponse> OnContinueVerifyStateAsync(UserTokenClient userTokenClient, string connectionName, ITurnContext turnContext, CancellationToken cancellationToken)
{
// Getting the token follows a different flow in Teams. At the signin completion, Teams
// will send the bot an "invoke" activity that contains a "magic" code. This code MUST
// then be used to try fetching the token from Botframework service within some time
// period. We try here. If it succeeds, we return 200 with an empty body. If it fails
// with a retriable error, we return 500. Teams will re-send another invoke in this case.
// If it fails with a non-retriable error, we return 404. Teams will not (still work in
// progress) retry in that case.
var userId = turnContext.Activity.From.Id;
var channelId = turnContext.Activity.ChannelId;
var magicCode = (turnContext.Activity.Value as JObject)?.GetValue("state", StringComparison.Ordinal)?.ToString();
var tokenResponse = await userTokenClient.GetUserTokenAsync(userId, connectionName, channelId, magicCode, cancellationToken).ConfigureAwait(false);
await turnContext.SendActivityAsync(CreateInvokeResponseActivity(tokenResponse != null ? HttpStatusCode.OK : HttpStatusCode.NotFound), cancellationToken).ConfigureAwait(false);
return(tokenResponse);
}