public virtual Task Authenticated(FoursquareAuthenticatedContext context)
{
return OnAuthenticated(context);
}
public virtual Task Authenticated(FoursquareAuthenticatedContext context)
{
return(OnAuthenticated(context));
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string code = null;
string state = null;
IReadableStringCollection query = Request.Query;
IList <string> values = query.GetValues("code");
if (values != null && values.Count == 1)
{
code = values[0];
}
state = Request.Cookies["state_value"];
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, _logger))
{
return(new AuthenticationTicket(null, properties));
}
string requestPrefix = Request.Scheme + "://" + Request.Host;
string redirectUri = requestPrefix + Request.PathBase + Options.CallbackPath;
string tokenRequest = "grant_type=authorization_code" +
"&code=" + Uri.EscapeDataString(code) +
"&redirect_uri=" + Uri.EscapeDataString(redirectUri) +
"&client_id=" + Uri.EscapeDataString(Options.ClientId) +
"&client_secret=" + Uri.EscapeDataString(Options.ClientSecret);
HttpResponseMessage tokenResponse = await _httpClient.GetAsync(TokenEndpoint + "?" + tokenRequest, Request.CallCancelled);
tokenResponse.EnsureSuccessStatusCode();
string text = await tokenResponse.Content.ReadAsStringAsync();
JObject form = JObject.Parse(text);
JToken accessToken = null;
foreach (var x in form)
{
if (x.Key == "access_token")
{
accessToken = x.Value;
}
}
string expires = "5183999";
HttpResponseMessage graphResponse = await _httpClient.GetAsync(
ApiEndpoint + "?oauth_token=" + Uri.EscapeDataString(accessToken.ToString()) + "&v=20131201", Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
JObject result = JObject.Parse(text);
JToken response = result["response"];
JObject user = response["user"] as JObject;
var context = new FoursquareAuthenticatedContext(Context, user, accessToken.ToString(), expires);
context.Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.LastName) && !string.IsNullOrEmpty(context.FirstName))
{
context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, string.Format("{0} {1}", context.FirstName, context.LastName), XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Email))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Email, context.Email, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.FirstName))
{
context.Identity.AddClaim(new Claim("urn:foursquare:name", context.FirstName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Url))
{
context.Identity.AddClaim(new Claim("urn:foursquare:url", context.Url, XmlSchemaString, Options.AuthenticationType));
}
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}