예제 #1
0
        public UserDetails Authenticate(string name, string password)
        {
            var user = _context.Users.SingleOrDefault((obj) => obj.Name == name);

            if (!_passwordUtilities.VerifyHashedPassword(user, password))
            {
                return(null);
            }


            // return null if user not found
            if (user == null)
            {
                return(null);
            }

            // authentication successful so generate jwt token
            var tokenHandler    = new JwtSecurityTokenHandler();
            var key             = Encoding.ASCII.GetBytes(_appSettings.Secret);
            var tokenDescriptor = new SecurityTokenDescriptor
            {
                Subject = new ClaimsIdentity(new Claim[]
                {
                    new Claim(ClaimTypes.Name, user.UserDetailsId.ToString())
                }),
                Expires            = DateTime.UtcNow.AddDays(7),
                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
            };
            var token = tokenHandler.CreateToken(tokenDescriptor);

            user.Token = tokenHandler.WriteToken(token);

            // save the token to the databasex
            _context.SaveChangesAsync();

            // remove password before returning
            user.Password = null;

            return(user);
        }
 public void AddMessage(ChatMessage message)
 {
     _context.Add(message);
     _context.SaveChangesAsync();
 }