public IActionResult Authenticate([FromBody] AuthenticateModel sellerDto) { var seller = _sellerService.Authenticate(sellerDto.Username.ToLower(), sellerDto.Password); if (seller == null) { return(BadRequest(new { message = "Username or password is incorrect" })); } // generate token var tokenHandler = new JwtSecurityTokenHandler(); var key = Encoding.ASCII.GetBytes(_config.GetSection("AppSettings:Token").Value); var tokenDescriptor = new SecurityTokenDescriptor { Subject = new ClaimsIdentity(new Claim[] { new Claim(ClaimTypes.NameIdentifier, seller.Id.ToString()), new Claim(ClaimTypes.Name, seller.userName) }), Expires = DateTime.UtcNow.AddDays(7), SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature) }; var token = tokenHandler.CreateToken(tokenDescriptor); var tokenString = tokenHandler.WriteToken(token); // return basic user info (without password) and token to store client side return(Ok(new { seller.Id, tokenString })); }