public override Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
{
var userManager = context.OwinContext
.Get <ApplicationUserManager>("AspNet.Identity.Owin:" + typeof(ApplicationUserManager).AssemblyQualifiedName);
if (userManager != null)
{
AccountServer acc = new AccountServer();
var user = acc.ValidUserByUserNameAndPwd(context.UserName, context.Password);
if (user == null)
{
context.SetError("invalid_grant", "The user name or password is incorrect");
//return;
return(Task.FromResult <object>(null));
}
var identity = new ClaimsIdentity(
new GenericIdentity(context.UserName,
OAuthDefaults.AuthenticationType),
context.Scope.Select(x => new Claim("urn:oauth:scope", x)));
context.Validated(identity);
}
return(Task.FromResult(0));
}
