public override async Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
{
//return base.GrantResourceOwnerCredentials(context);
UserMasterRepository _repo = new UserMasterRepository();
var user = _repo.validateUser(context.UserName, context.Password);
if (user == null)
{
context.SetError("invalid_grant", "Provided user name and passsword is incorrect.");
return;
}
var identity = new ClaimsIdentity(context.Options.AuthenticationType);
string[] Roles = user.UserRoles.Split(',');
foreach (string item in Roles)
{
identity.AddClaim(new Claim(ClaimTypes.Role, item));
}
identity.AddClaim(new Claim(ClaimTypes.Name, user.UserName));
identity.AddClaim(new Claim("Email", user.UserEmailID));
context.Validated(identity);
}