public async Task <string> GetSignInLinkAsync(IActivity activity, string connectionName, CancellationToken cancellationToken = default(CancellationToken))
{
if (connectionName == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "connectionName");
}
if (activity == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "activity");
}
bool _shouldTrace = ServiceClientTracing.IsEnabled;
string _invocationId = null;
if (_shouldTrace)
{
_invocationId = ServiceClientTracing.NextInvocationId.ToString();
Dictionary <string, object> tracingParameters = new Dictionary <string, object>();
tracingParameters.Add("activity", activity);
tracingParameters.Add("connectionName", connectionName);
tracingParameters.Add("cancellationToken", cancellationToken);
ServiceClientTracing.Enter(_invocationId, this, "GetSignInLinkAsync", tracingParameters);
}
var tokenExchangeState = new TokenExchangeState()
{
ConnectionName = connectionName,
Conversation = new ConversationReference()
{
ActivityId = activity.Id,
Bot = activity.Recipient, // Activity is from the user to the bot
ChannelId = activity.ChannelId,
Conversation = activity.Conversation,
ServiceUrl = activity.ServiceUrl,
User = activity.From
},
MsAppId = (Client.Credentials as MicrosoftAppCredentials)?.MicrosoftAppId
};
var serializedState = JsonConvert.SerializeObject(tokenExchangeState);
var encodedState = Encoding.UTF8.GetBytes(serializedState);
var finalState = Convert.ToBase64String(encodedState);
// Construct URL
var _baseUrl = Client.BaseUri.AbsoluteUri;
var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "api/botsignin/getsigninurl?&state={state}").ToString();
_url = _url.Replace("{state}", finalState);
// Create HTTP transport objects
var _httpRequest = new HttpRequestMessage();
HttpResponseMessage _httpResponse = null;
_httpRequest.Method = new HttpMethod("GET");
_httpRequest.RequestUri = new System.Uri(_url);
// Set Credentials
if (Client.Credentials != null)
{
cancellationToken.ThrowIfCancellationRequested();
await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (_shouldTrace)
{
ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
}
_httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
if (_shouldTrace)
{
ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
}
HttpStatusCode _statusCode = _httpResponse.StatusCode;
cancellationToken.ThrowIfCancellationRequested();
if (_statusCode == HttpStatusCode.OK)
{
var link = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
return(link);
}
return(String.Empty);
}
/// <summary>
/// Get the raw signin link to be sent to the user for signin for a connection name.
/// </summary>
/// <param name="activity">An activity from the user to the bot.</param>
/// <param name="connectionName">Name of the auth connection to get a link for.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>If the task completes successfully and the call to the OAuth client is successful,
/// the result contains the signin link.</remarks>
public async Task <string> GetSignInLinkAsync(IActivity activity, string connectionName, CancellationToken cancellationToken = default(CancellationToken))
{
if (string.IsNullOrEmpty(connectionName))
{
throw new ArgumentNullException(nameof(connectionName));
}
if (activity == null)
{
throw new ArgumentNullException(nameof(activity));
}
bool shouldTrace = ServiceClientTracing.IsEnabled;
string invocationId = null;
if (shouldTrace)
{
invocationId = ServiceClientTracing.NextInvocationId.ToString();
Dictionary <string, object> tracingParameters = new Dictionary <string, object>();
tracingParameters.Add("activity", activity);
tracingParameters.Add("connectionName", connectionName);
tracingParameters.Add("cancellationToken", cancellationToken);
ServiceClientTracing.Enter(invocationId, this, "GetSignInLinkAsync", tracingParameters);
}
var tokenExchangeState = new TokenExchangeState()
{
ConnectionName = connectionName,
Conversation = new ConversationReference()
{
ActivityId = activity.Id,
Bot = activity.Recipient, // Activity is from the user to the bot
ChannelId = activity.ChannelId,
Conversation = activity.Conversation,
ServiceUrl = activity.ServiceUrl,
User = activity.From
},
MsAppId = (_client.Credentials as MicrosoftAppCredentials)?.MicrosoftAppId
};
var serializedState = JsonConvert.SerializeObject(tokenExchangeState);
var encodedState = Encoding.UTF8.GetBytes(serializedState);
var finalState = Convert.ToBase64String(encodedState);
// Construct URL
var tokenUrl = new Uri(new Uri(_uri + (_uri.EndsWith("/") ? "" : "/")), "api/botsignin/getsigninurl?&state={state}").ToString();
tokenUrl = tokenUrl.Replace("{state}", finalState);
// add botframework api service url to the list of trusted service url's for these app credentials.
MicrosoftAppCredentials.TrustServiceUrl(tokenUrl);
// Create HTTP transport objects
var httpRequest = new HttpRequestMessage();
HttpResponseMessage httpResponse = null;
httpRequest.Method = new HttpMethod("GET");
httpRequest.RequestUri = new Uri(tokenUrl);
// Set Credentials
if (_client.Credentials != null)
{
cancellationToken.ThrowIfCancellationRequested();
await _client.Credentials.ProcessHttpRequestAsync(httpRequest, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (shouldTrace)
{
ServiceClientTracing.SendRequest(invocationId, httpRequest);
}
httpResponse = await _client.HttpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
if (shouldTrace)
{
ServiceClientTracing.ReceiveResponse(invocationId, httpResponse);
}
HttpStatusCode statusCode = httpResponse.StatusCode;
cancellationToken.ThrowIfCancellationRequested();
if (statusCode == HttpStatusCode.OK)
{
var link = await httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
return(link);
}
return(String.Empty);
}
