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 = string.Copy(values.First());
}
// restore State from Cookie
state = Request.Cookies[StateCookie];
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;
//// Build up the body for the token request
//var body = new List<KeyValuePair<string, string>>();
//body.Add(new KeyValuePair<string, string>("client_id", Options.ClientId));
//body.Add(new KeyValuePair<string, string>("client_secret", Options.ClientSecret));
//body.Add(new KeyValuePair<string, string>("redirect_url", redirectUri));
//body.Add(new KeyValuePair<string, string>("response_type", "code"));
//body.Add(new KeyValuePair<string, string>("code", code));
// Request the token
var requestMessage = new HttpRequestMessage(HttpMethod.Get,
String.Format(@"{0}/?client_id={1}&client_secret={2}&response_type=code&redirect_url={3}&code={4}", Options.Endpoints.TokenEndpoint, Options.ClientId, Options.ClientSecret, redirectUri, code));
requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage tokenResponse = await httpClient.SendAsync(requestMessage);
tokenResponse.EnsureSuccessStatusCode();
string text = await tokenResponse.Content.ReadAsStringAsync();
// Deserializes the token response
var response = JsonConvert.DeserializeObject <ResponseRoot>(text);
string accessToken = response.response.access_token;
// Get the Untappd user
HttpRequestMessage userRequest = new HttpRequestMessage(HttpMethod.Get, Options.Endpoints.UserInfoEndpoint + "?access_token=" + Uri.EscapeDataString(accessToken));
userRequest.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage userResponse = await httpClient.SendAsync(userRequest, Request.CallCancelled);
userResponse.EnsureSuccessStatusCode();
text = await userResponse.Content.ReadAsStringAsync();
JObject user = JObject.Parse(text);
var context = new UntappdAuthenticatedContext(Context, user, accessToken);
context.Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
// Add access_token to Claims to be used later on authenticated Untappd API requests
context.Identity.AddClaim(new Claim("UntappdAccessToken", accessToken));
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.UserName))
{
context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.UserName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Email))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Email, context.Email, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Name))
{
context.Identity.AddClaim(new Claim("urn:Untappd:name", context.Name, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Link))
{
context.Identity.AddClaim(new Claim("urn:Untappd:url", context.Link, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.AvatarUrl))
{
context.Identity.AddClaim(new Claim("urn:Untappd:avatar", context.AvatarUrl, XmlSchemaString, Options.AuthenticationType));
}
//IDictionary<string, string> data = new Dictionary<string, string>
// {
// { "userData", "Data" }
// };
//properties = new AuthenticationProperties(data);
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));
}
/// <summary>
/// Invoked whenever Untappd succesfully authenticates a user
/// </summary>
/// <param name="context">Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.</param>
/// <returns>A <see cref="Task"/> representing the completed operation.</returns>
public virtual Task Authenticated(UntappdAuthenticatedContext context)
{
return(OnAuthenticated(context));
}
/// <summary>
/// Invoked whenever Untappd succesfully authenticates a user
/// </summary>
/// <param name="context">Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.</param>
/// <returns>A <see cref="Task"/> representing the completed operation.</returns>
public virtual Task Authenticated(UntappdAuthenticatedContext context)
{
return OnAuthenticated(context);
}