public void ResponseSignIn(FormsResponseSignInContext context)
{
var authResult = new AuthenticationResult
{
Success = true
};
ChatUser loggedInUser = GetLoggedInUser(context);
var principal = new ClaimsPrincipal(context.Identity);
// Do nothing if it's authenticated
if (principal.IsAuthenticated())
{
EnsurePersistentCookie(context);
return;
}
ChatUser user = _repository.GetUser(principal);
authResult.ProviderName = principal.GetIdentityProvider();
// The user exists so add the claim
if (user != null)
{
if (loggedInUser != null && user != loggedInUser)
{
// Set an error message
authResult.Message = String.Format("This {0} account has already been linked to another user.", authResult.ProviderName);
authResult.Success = false;
// Keep the old user logged in
context.Identity.AddClaim(new Claim(JabbRClaimTypes.Identifier, loggedInUser.Id));
}
else
{
// Login this user
AddClaim(context, user);
}
}
else if (principal.HasRequiredClaims())
{
ChatUser targetUser = null;
// The user doesn't exist but the claims to create the user do exist
if (loggedInUser == null)
{
// New user so add them
user = _membershipService.AddUser(principal);
targetUser = user;
}
else
{
// If the user is logged in then link
_membershipService.LinkIdentity(loggedInUser, principal);
_repository.CommitChanges();
authResult.Message = String.Format("Successfully linked {0} account.", authResult.ProviderName);
targetUser = loggedInUser;
}
AddClaim(context, targetUser);
}
else if(!principal.HasPartialIdentity())
{
// A partial identity means the user needs to add more claims to login
context.Identity.AddClaim(new Claim(JabbRClaimTypes.PartialIdentity, "true"));
}
var cookieOptions = new CookieOptions
{
HttpOnly = true
};
context.Response.Cookies.Append(Constants.AuthResultCookie,
JsonConvert.SerializeObject(authResult),
cookieOptions);
}