public async Task <T> IdentifyAsync <T>(AuthenticationProvider provider, ACSProvider ACSProvider = null) where T : Identity, new()
{
var vault = new Windows.Security.Credentials.PasswordVault();
try
{
var tok = vault.Retrieve(AccessControlNamespace, provider.ToString());
if (IsExpired(tok.Password))
{
vault.Remove(tok);
}
else
{
return(new T()
{
Token = tok.Password, Success = true, Provider = provider
});
}
}
catch (Exception ex)
{
}
string LoginUrl = "";
string BouncerEndUrl = "";
switch (provider)
{
case AuthenticationProvider.AzureControlService:
if (ACSProvider != null)
{
LoginUrl = ACSProvider.LoginUrl;
}
else
{
if (string.IsNullOrEmpty(AccessControlNamespace))
{
throw new ArgumentNullException("AccessControlNamespace");
}
if (string.IsNullOrEmpty(Realm))
{
throw new ArgumentNullException("Realm");
}
if (string.IsNullOrEmpty(BouncerReplyUrl))
{
throw new ArgumentNullException("BouncerReplyUrl");
}
LoginUrl = string.Format(ACS_Login_Feed,
AccessControlNamespace,
Realm, BouncerReplyUrl);
}
BouncerEndUrl = BouncerReplyUrl + "end";
break;
case AuthenticationProvider.Facebook:
LoginUrl = string.Format(Facebook_Login_Feed,
Uri.EscapeDataString(FacebookApplicationID),
Uri.EscapeDataString(Facebook_LoginSucces));
BouncerEndUrl = Facebook_LoginSucces;
break;
}
return(await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
new Uri(LoginUrl),
new Uri(BouncerEndUrl)).AsTask <WebAuthenticationResult>()
.ContinueWith <T>(t =>
{
var response = t.Result;
if (!t.IsFaulted && (response.ResponseStatus == WebAuthenticationStatus.Success))
{
string token = response.ResponseData; // response.ResponseData.Substring(response.ResponseData.IndexOf('=') + 1);
token = token.Replace(BouncerEndUrl, "").Substring(1); //Assume that the url is the BouncerEndUrl + '#' / '?' + claims.
if (provider == AuthenticationProvider.Facebook)
{
var idx = token.IndexOf("&expires_in=");
var time = int.Parse(token.Substring(idx + 12));
token = token.Insert(idx, string.Format("&ExpiresOn={0}", (int)DateTime.UtcNow.Add(TimeSpan.FromSeconds(time)).Subtract(Epoch).TotalSeconds));
}
if (UsePasswordVault)
{
var cred = new Windows.Security.Credentials.PasswordCredential(AccessControlNamespace,
provider.ToString(), token);
new Windows.Security.Credentials.PasswordVault().Add(cred);
}
return new T()
{
Token = token, Success = true, Provider = provider
};
}
else
{
return new T()
{
UnSuccessReason = response.ResponseStatus.ToString(),
Success = false, Provider = provider
}
};
}));
}
public Task <Identity> IdentifyAsync(AuthenticationProvider provider, ACSProvider ACSProvider = null)
{
return(IdentifyAsync <Identity>(provider, ACSProvider));
}
