private async Task OnAuthorizationCodeReceived(AuthorizationCodeReceivedNotification context)
{
// Upon successful sign in, get & cache a token using MSAL
string userId = context.AuthenticationTicket.Identity.FindFirst(ClaimTypes.NameIdentifier).Value;
TokenCache userTokenCache = new MsalSessionTokenCache(userId, context.OwinContext.Environment["System.Web.HttpContextBase"] as HttpContextBase).GetMsalCacheInstance();
ConfidentialClientApplication cc = new ConfidentialClientApplication(Globals.ClientId, Globals.RedirectUri, new ClientCredential(Globals.ClientSecret), userTokenCache, null);
AuthenticationResult result = await cc.AcquireTokenByAuthorizationCodeAsync(context.Code, new[] { "user.readbasic.all" });
}
private async Task <string> GetGraphAccessToken(string userId)
{
TokenCache userTokenCache = new MsalSessionTokenCache(userId, HttpContext).GetMsalCacheInstance();
ConfidentialClientApplication cc = new ConfidentialClientApplication(Globals.ClientId, Globals.RedirectUri, new ClientCredential(Globals.ClientSecret), userTokenCache, null);
AuthenticationResult result = await cc.AcquireTokenSilentAsync(new string[] { "user.readbasic.all" }, cc.Users.First());
return(result.AccessToken);
}
// Use MSAL to get a the token we need for the Microsoft Graph
private async Task <string> GetGraphAccessToken(string userId, string[] scopes)
{
TokenCache userTokenCache = new MsalSessionTokenCache(userId, HttpContext).GetMsalCacheInstance();
ConfidentialClientApplication cc = new ConfidentialClientApplication(Globals.ClientId, Globals.RedirectUri, new ClientCredential(Globals.ClientSecret), userTokenCache, null);
var accounts = await cc.GetAccountsAsync();
AuthenticationResult result = await cc.AcquireTokenSilentAsync(scopes, accounts.First());
return(result.AccessToken);
}
