private VKontakteAuthenticatedContext CreateAuthenticatedContext(JObject user, string accessToken,
AuthenticationProperties properties)
{
var context = new VKontakteAuthenticatedContext(Context, user, accessToken)
{
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.UserName))
{
context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.UserName, XmlSchemaString,
Options.AuthenticationType));
}
context.Properties = properties;
return(context);
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string authorizationCode = GetParameterValueFromRequest("code");
string state = GetParameterValueFromRequest("state");
properties = Options.StateDataFormat.Unprotect(state);
if (properties == null)
{
return(null);
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, logger))
{
return(new AuthenticationTicket(null, properties));
}
JObject response = await GetAuthorizationToken(authorizationCode);
string accessToken = (string)response["access_token"];
JObject user = await GetUser(response, accessToken);
VKontakteAuthenticatedContext context = CreateAuthenticatedContext(user, accessToken, 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));
}
