private async Task GenerateToken(HttpContext context)
{
var username = context.Request.Form["username"];
var password = context.Request.Form["password"];
var userResolverService = _options.UserResolverServiceFactory();
var user = await userResolverService.Resolve(username, password);
if (user == null)
{
context.Response.StatusCode = 400;
await context.Response.WriteAsync("Invalid username or password.");
return;
}
var encodedJwt = await _tokenHelper.Build(user, _options);
var response = new
{
access_token = encodedJwt,
expires_in = (int)_options.Expiration.TotalSeconds
};
// Serialize and return the response
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(JsonConvert.SerializeObject(response, _serializerSettings));
}