private async Task LogIn(IDialogContext context, IMessageActivity msg, string resourceId)
{
try
{
string token = await context.GetAccessToken(resourceId);
if (string.IsNullOrEmpty(token))
{
if (msg.Text != null &&
CancellationWords.GetCancellationWords().Contains(msg.Text.ToUpper()))
{
context.Done(string.Empty);
}
else
{
var resumptionCookie = new ResumptionCookie(msg);
var authenticationUrl = await AzureActiveDirectoryHelper.GetAuthUrlAsync(resumptionCookie, resourceId);
await context.PostAsync($"You must be authenticated before you can proceed. Please, click [here]({authenticationUrl}) to log into your account.");
context.Wait(this.MessageReceivedAsync);
}
}
else
{
context.Done(string.Empty);
}
}
catch (Exception ex)
{
throw ex;
}
}
private async Task LogIn(IDialogContext context, IMessageActivity msg, string[] scopes)
{
try
{
string token = await context.GetAccessToken(scopes);
if (string.IsNullOrEmpty(token))
{
if (msg.Text != null &&
CancellationWords.GetCancellationWords().Contains(msg.Text.ToUpper()))
{
context.Done(string.Empty);
}
else
{
var resumptionCookie = new ResumptionCookie(msg);
var authenticationUrl = await AzureActiveDirectoryHelper.GetAuthUrlAsync(resumptionCookie, scopes);
if (msg.ChannelId == "skype")
{
IMessageActivity response = context.MakeMessage();
response.Recipient = msg.From;
response.Type = "message";
response.Attachments = new List <Attachment>();
List <CardAction> cardButtons = new List <CardAction>();
CardAction plButton = new CardAction()
{
Value = authenticationUrl,
Type = "signin",
Title = "Authentication Required"
};
cardButtons.Add(plButton);
SigninCard plCard = new SigninCard(this.prompt, new List <CardAction>()
{
plButton
});
Attachment plAttachment = plCard.ToAttachment();
response.Attachments.Add(plAttachment);
await context.PostAsync(response);
}
else
{
await context.PostAsync(this.prompt + "[Click here](" + authenticationUrl + ")");
}
context.Wait(this.MessageReceivedAsync);
}
}
else
{
context.Done(string.Empty);
}
}catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Checks if we are able to get an access token. If not, we prompt for a login
/// </summary>
/// <param name="context"></param>
/// <param name="msg"></param>
/// <returns></returns>
protected virtual async Task CheckForLogin(IDialogContext context, IMessageActivity msg)
{
try
{
string token;
if (resourceId != null)
{
token = await context.GetAccessToken(resourceId);
}
else
{
token = await context.GetAccessToken(scopes);
}
if (string.IsNullOrEmpty(token))
{
if (msg.Text != null &&
CancellationWords.GetCancellationWords().Contains(msg.Text.ToUpper()))
{
context.Done(string.Empty);
}
else
{
var resumptionCookie = new ResumptionCookie(msg);
string authenticationUrl;
if (resourceId != null)
{
authenticationUrl = await AzureActiveDirectoryHelper.GetAuthUrlAsync(resumptionCookie, resourceId);
}
else
{
authenticationUrl = await AzureActiveDirectoryHelper.GetAuthUrlAsync(resumptionCookie, scopes);
}
await PromptToLogin(context, msg, authenticationUrl);
context.Wait(this.MessageReceivedAsync);
}
}
else
{
context.Done(string.Empty);
}
}
catch (Exception ex)
{
throw ex;
}
}
public async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> argument)
{
var msg = await argument;
AuthResult authResult;
string validated = "";
int magicNumber = 0;
if (context.UserData.TryGetValue($"{this.authProvider.Name}{ContextConstants.AuthResultKey}", out authResult))
{
try
{
//IMPORTANT: DO NOT REMOVE THE MAGIC NUMBER CHECK THAT WE DO HERE. THIS IS AN ABSOLUTE SECURITY REQUIREMENT
//REMOVING THIS WILL REMOVE YOUR BOT AND YOUR USERS TO SECURITY VULNERABILITIES.
//MAKE SURE YOU UNDERSTAND THE ATTACK VECTORS AND WHY THIS IS IN PLACE.
context.UserData.TryGetValue <string>($"{this.authProvider.Name}{ContextConstants.MagicNumberValidated}", out validated);
if (validated == "true")
{
context.Done(authResult);
}
else if (context.UserData.TryGetValue <int>($"{this.authProvider.Name}{ContextConstants.MagicNumberKey}", out magicNumber))
{
if (msg.Text == null)
{
await context.PostAsync($"Please paste back the number you received in your authentication screen.");
context.Wait(this.MessageReceivedAsync);
}
else
{
// handle at mentions in Teams
var text = msg.Text;
if (text.Contains("</at>"))
{
text = text.Substring(text.IndexOf("</at>") + 5).Trim();
}
if (text.Length >= 6 && magicNumber.ToString() == text.Substring(0, 6))
{
context.UserData.SetValue <string>($"{this.authProvider.Name}{ContextConstants.MagicNumberValidated}", "true");
await context.PostAsync($"Thanks {authResult.UserName}. You are now logged in. ");
context.Done(authResult);
}
else
{
context.UserData.RemoveValue($"{this.authProvider.Name}{ContextConstants.AuthResultKey}");
context.UserData.SetValue <string>($"{this.authProvider.Name}{ContextConstants.MagicNumberValidated}", "false");
context.UserData.RemoveValue($"{this.authProvider.Name}{ContextConstants.MagicNumberKey}");
await context.PostAsync($"I'm sorry but I couldn't validate your number. Please try authenticating once again. ");
context.Wait(this.MessageReceivedAsync);
}
}
}
}
catch
{
context.UserData.RemoveValue($"{this.authProvider.Name}{ContextConstants.AuthResultKey}");
context.UserData.SetValue($"{this.authProvider.Name}{ContextConstants.MagicNumberValidated}", "false");
context.UserData.RemoveValue($"{this.authProvider.Name}{ContextConstants.MagicNumberKey}");
await context.PostAsync($"I'm sorry but something went wrong while authenticating.");
context.Done <AuthResult>(null);
}
}
else
{
// Try to get token
var token = await this.authProvider.GetAccessToken(this.authOptions, context);
if (token != null)
{
context.Done(token);
}
else
{
if (msg.Text != null &&
CancellationWords.GetCancellationWords().Contains(msg.Text.ToUpper()))
{
context.Done <AuthResult>(null);
}
else
{
// Save authenticationOptions in UserData
context.UserData.SetValue <AuthenticationOptions>($"{this.authProvider.Name}{ContextConstants.AuthOptions}", this.authOptions);
// Get ConversationReference and combine with AuthProvider type for the callback
var conversationRef = context.Activity.ToConversationReference();
var state = getStateParam(conversationRef);
string authenticationUrl = await this.authProvider.GetAuthUrlAsync(this.authOptions, state);
await PromptToLogin(context, msg, authenticationUrl);
context.Wait(this.MessageReceivedAsync);
}
}
}
}
