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();
}