public void SaveConfiguration(ConversationAuthToken state)
{
state.Id = "singletonkey";
Dictionary <string, ConversationAuthToken> values = File.Exists("accessTokens.json") ? JsonConvert.DeserializeObject <Dictionary <string, ConversationAuthToken> >(File.ReadAllText("accessTokens.json")) : new Dictionary <string, ConversationAuthToken>();
values[state.Id] = state;
File.WriteAllText("accessTokens.json", JsonConvert.SerializeObject(values));
}
public async Task OnTurn(ITurnContext context, MiddlewareSet.NextDelegate next)
{
var authToken = TokenStorage.LoadConfiguration(context.Activity.Conversation.Id);
if (authToken == null)
{
if (context.Activity.UserHasJustSentMessage() || context.Activity.UserHasJustJoinedConversation())
{
var conversationReference = TurnContext.GetConversationReference(context.Activity);
var serializedCookie = WebUtility.UrlEncode(JsonConvert.SerializeObject(conversationReference));
var signInUrl = AzureAdExtensions.GetUserConsentLoginUrl(AzureAdTenant, AppClientId, AppRedirectUri, PermissionsRequested, serializedCookie);
var activity = context.Activity.CreateReply();
activity.AddSignInCard(signInUrl);
await context.SendActivity(activity);
}
}
else if (authToken.ExpiresIn < DateTime.Now.AddMinutes(-10))
{
if (context.Activity.UserHasJustSentMessage() || context.Activity.UserHasJustJoinedConversation())
{
var client = new HttpClient();
var accessToken = await AzureAdExtensions.GetAccessTokenUsingRefreshToken(client, AzureAdTenant, authToken.RefreshToken, AppClientId, AppRedirectUri, AppClientSecret, PermissionsRequested);
// have to save it
authToken = new ConversationAuthToken(context.Activity.Conversation.Id)
{
AccessToken = accessToken.accessToken,
RefreshToken = accessToken.refreshToken,
ExpiresIn = accessToken.refreshTokenExpiresIn
};
TokenStorage.SaveConfiguration(authToken);
// make the authtoken available to downstream pipeline components
context.Services.Add(AUTH_TOKEN_KEY, authToken);
await next();
}
}
else
{
// make the authtoken available to downstream pipeline components
context.Services.Add(AUTH_TOKEN_KEY, authToken);
await next();
}
}
public void SaveConfiguration(ConversationAuthToken state)
{
InMemoryDictionary[state.Id] = state;
}
