/// <summary>
/// Attempts to recognize the user's input.
/// </summary>
/// <param name="turnContext">Context for the current turn of conversation with the user.</param>
/// <param name="state">Contains state for the current instance of the prompt on the dialog stack.</param>
/// <param name="options">A prompt options object constructed from the options initially provided
/// in the call to <see cref="DialogContext.PromptAsync(string, PromptOptions, CancellationToken)"/>.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
/// <remarks>If the task is successful, the result describes the result of the recognition attempt.</remarks>
protected override Task <PromptRecognizerResult <string> > OnRecognizeAsync(ITurnContext turnContext, IDictionary <string, object> state, PromptOptions options, CancellationToken cancellationToken = default(CancellationToken))
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
var result = new PromptRecognizerResult <string>();
if (turnContext.Activity.Type == ActivityTypes.Message)
{
var message = turnContext.Activity.AsMessageActivity();
if (message.Text != null)
{
result.Succeeded = true;
result.Value = message.Text;
}
}
return(Task.FromResult(result));
}
protected override Task <PromptRecognizerResult <IList <Attachment> > > OnRecognizeAsync(ITurnContext context, IDictionary <string, object> state, PromptOptions options)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var result = new PromptRecognizerResult <IList <Attachment> >();
if (context.Activity.Type == ActivityTypes.Message)
{
var message = context.Activity.AsMessageActivity();
if (message.Attachments != null && message.Attachments.Count > 0)
{
result.Succeeded = true;
result.Value = message.Attachments;
}
}
return(Task.FromResult(result));
}
private static async Task <bool> CheckValidatorAsync(DialogContext dc, PromptValidator <TokenResponse> validator, TokenResponse tokenResponse, CancellationToken cancellationToken)
{
const string AttemptCount = "AttemptCount";
if (validator != null)
{
// Increment attempt count.
var promptState = dc.ActiveDialog.State[OAuthHelper.PersistedState].CastTo <IDictionary <string, object> >();
promptState[AttemptCount] = Convert.ToInt32(promptState[AttemptCount], CultureInfo.InvariantCulture) + 1;
// Call the custom validator.
var recognized = new PromptRecognizerResult <TokenResponse> {
Succeeded = tokenResponse != null, Value = tokenResponse
};
var promptOptions = dc.ActiveDialog.State[OAuthHelper.PersistedOptions].CastTo <PromptOptions>();
var promptContext = new PromptValidatorContext <TokenResponse>(dc.Context, recognized, promptState, promptOptions);
return(await validator(promptContext, cancellationToken).ConfigureAwait(false));
}
else
{
return(tokenResponse != null);
}
}
private async Task <PromptRecognizerResult <TokenResponse> > RecognizeTokenAsync(ITurnContext context)
{
var result = new PromptRecognizerResult <TokenResponse>();
if (IsTokenResponseEvent(context))
{
var tokenResponseObject = context.Activity.Value as JObject;
var token = tokenResponseObject?.ToObject <TokenResponse>();
result.Succeeded = true;
result.Value = token;
}
else if (IsTeamsVerificationInvoke(context))
{
// TODO: add missing code
}
else if (context.Activity.Type == ActivityTypes.Message)
{
var matched = magicCodeRegex.Match(context.Activity.Text);
if (matched.Success)
{
if (!(context.Adapter is BotFrameworkAdapter adapter))
{
throw new InvalidOperationException("OAuthPrompt.Recognize(): not supported by the current adapter");
}
var token = await adapter.GetUserTokenAsync(context, _settings.ConnectionName, matched.Value, default(CancellationToken)).ConfigureAwait(false);
if (token != null)
{
result.Succeeded = true;
result.Value = token;
}
}
}
return(result);
}
/// <summary>
/// Attempts to recognize the user's input.
/// </summary>
/// <param name="turnContext">Context for the current turn of conversation with the user.</param>
/// <param name="state">Contains state for the current instance of the prompt on the dialog stack.</param>
/// <param name="options">A prompt options object constructed from the options initially provided
/// in the call to <see cref="DialogContext.PromptAsync(string, PromptOptions, CancellationToken)"/>.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
/// <remarks>If the task is successful, the result describes the result of the recognition attempt.</remarks>
protected override Task <PromptRecognizerResult <FoundChoice> > OnRecognizeAsync(
ITurnContext turnContext,
IDictionary <string, object> state,
PromptOptions options,
CancellationToken cancellationToken = default)
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
var choices = options.Choices ?? new List <Choice>();
var result = new PromptRecognizerResult <FoundChoice>();
if (turnContext.Activity.Type == ActivityTypes.Message)
{
var activity = turnContext.Activity;
var utterance = activity.Text;
if (string.IsNullOrEmpty(utterance))
{
return(Task.FromResult(result));
}
var opt = RecognizerOptions ?? new FindChoicesOptions();
opt.Locale = DetermineCulture(activity, opt);
var results = ChoiceRecognizers.RecognizeChoices(utterance, choices, opt);
if (results != null && results.Count > 0)
{
result.Succeeded = true;
result.Value = results[0].Resolution;
}
}
return(Task.FromResult(result));
}
protected override Task <PromptRecognizerResult <T> > OnRecognizeAsync(ITurnContext turnContext, IDictionary <string, object> state, PromptOptions options)
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
var result = new PromptRecognizerResult <T>();
if (turnContext.Activity.Type == ActivityTypes.Message)
{
var message = turnContext.Activity.AsMessageActivity();
var culture = turnContext.Activity.Locale ?? DefaultLocale ?? English;
var results = NumberRecognizer.RecognizeNumber(message.Text, culture);
if (results.Count > 0)
{
// Try to parse value based on type
var text = results[0].Resolution["value"].ToString();
if (typeof(T) == typeof(float))
{
if (float.TryParse(text, out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(int))
{
if (int.TryParse(text, out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(long))
{
if (long.TryParse(text, out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(double))
{
if (double.TryParse(text, out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(decimal))
{
if (decimal.TryParse(text, out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else
{
throw new NotSupportedException($"NumberPrompt: type argument T of type 'typeof(T)' is not supported");
}
}
}
return(Task.FromResult(result));
}
private async Task <PromptRecognizerResult <TokenResponse> > RecognizeTokenAsync(ITurnContext turnContext, CancellationToken cancellationToken = default(CancellationToken))
{
var result = new PromptRecognizerResult <TokenResponse>();
if (IsTokenResponseEvent(turnContext))
{
var tokenResponseObject = turnContext.Activity.Value as JObject;
var token = tokenResponseObject?.ToObject <TokenResponse>();
result.Succeeded = true;
result.Value = token;
}
else if (IsTeamsVerificationInvoke(turnContext))
{
var magicCodeObject = turnContext.Activity.Value as JObject;
var magicCode = magicCodeObject.GetValue("state")?.ToString();
if (!(turnContext.Adapter is IUserTokenProvider adapter))
{
throw new InvalidOperationException("OAuthPrompt.Recognize(): not supported by the current adapter");
}
// 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 failes with a non-retriable error, we return 404. Teams will not (still work in
// progress) retry in that case.
try
{
var token = await adapter.GetUserTokenAsync(turnContext, _settings.ConnectionName, magicCode, cancellationToken).ConfigureAwait(false);
if (token != null)
{
result.Succeeded = true;
result.Value = token;
await turnContext.SendActivityAsync(new Activity { Type = ActivityTypesEx.InvokeResponse }, cancellationToken).ConfigureAwait(false);
}
else
{
await turnContext.SendActivityAsync(new Activity { Type = ActivityTypesEx.InvokeResponse, Value = new InvokeResponse {
Status = 404
} }, cancellationToken).ConfigureAwait(false);
}
}
catch
{
await turnContext.SendActivityAsync(new Activity { Type = ActivityTypesEx.InvokeResponse, Value = new InvokeResponse {
Status = 500
} }, cancellationToken).ConfigureAwait(false);
}
}
else if (turnContext.Activity.Type == ActivityTypes.Message)
{
var matched = _magicCodeRegex.Match(turnContext.Activity.Text);
if (matched.Success)
{
if (!(turnContext.Adapter is IUserTokenProvider adapter))
{
throw new InvalidOperationException("OAuthPrompt.Recognize(): not supported by the current adapter");
}
var token = await adapter.GetUserTokenAsync(turnContext, _settings.ConnectionName, matched.Value, cancellationToken).ConfigureAwait(false);
if (token != null)
{
result.Succeeded = true;
result.Value = token;
}
}
}
return(result);
}
/// <summary>
/// Attempts to recognize the user's input.
/// </summary>
/// <param name="turnContext">Context for the current turn of conversation with the user.</param>
/// <param name="state">Contains state for the current instance of the prompt on the dialog stack.</param>
/// <param name="options">A prompt options object constructed from the options initially provided
/// in the call to <see cref="DialogContext.PromptAsync(string, PromptOptions, CancellationToken)"/>.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
/// <remarks>If the task is successful, the result describes the result of the recognition attempt.</remarks>
protected override Task <PromptRecognizerResult <T> > OnRecognizeAsync(ITurnContext turnContext, IDictionary <string, object> state, PromptOptions options, CancellationToken cancellationToken = default(CancellationToken))
{
if (turnContext == null)
{
throw new ArgumentNullException(nameof(turnContext));
}
var result = new PromptRecognizerResult <T>();
if (turnContext.Activity.Type == ActivityTypes.Message)
{
var message = turnContext.Activity.AsMessageActivity();
var culture = turnContext.Activity.Locale ?? DefaultLocale ?? English;
var results = NumberRecognizer.RecognizeNumber(message.Text, culture, NumberOptions.SuppressExtendedTypes);
if (results.Count > 0)
{
// Try to parse value based on type
var text = results[0].Resolution["value"].ToString();
if (typeof(T) == typeof(float))
{
if (float.TryParse(text, NumberStyles.Any, new CultureInfo(culture), out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(int))
{
if (int.TryParse(text, NumberStyles.Any, new CultureInfo(culture), out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(long))
{
if (long.TryParse(text, NumberStyles.Any, new CultureInfo(culture), out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(double))
{
if (double.TryParse(text, NumberStyles.Any, new CultureInfo(culture), out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
else if (typeof(T) == typeof(decimal))
{
if (decimal.TryParse(text, NumberStyles.Any, new CultureInfo(culture), out var value))
{
result.Succeeded = true;
result.Value = (T)(object)value;
}
}
}
}
return(Task.FromResult(result));
}
internal PromptValidatorContext(DialogContext dc, IDictionary <string, object> state, PromptOptions options, PromptRecognizerResult <T> recognized)
{
_dc = dc;
HasEnded = false;
EndResult = null;
Options = options;
Recognized = recognized;
}
