public string GenerateKey(string userId, string username, bool isAdmin = false, string facebookToken = null)
{
int ttl = int.Parse(ConfigurationManager.AppSettings["TokenTTL"]);
long exp = DateTimeOffset.UtcNow.ToUnixTimeSeconds() + 60 * ttl;
long iat = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
var payload = new Dictionary <string, object>()
{
{ "sub", userId },
{ "exp", exp },
{ "iat", iat },
{ "aud", "social network" },
{ "username", username },
{ "isAdmin", isAdmin }
};
string key = ConfigurationManager.AppSettings["tokenSignKey"];
byte[] secretKey = Encoding.ASCII.GetBytes(key);
string token = JWT.Encode(payload, secretKey, JwsAlgorithm.HS256);
TokenHistory history = new TokenHistory()
{
Token = token, FacebookToken = facebookToken, UserId = userId, TimeStamp = iat
};
_tokenReposirory.Add(history);
return(token);
}
//Private Methods
private void AddToTokenHistory(string userId, string token)
{
TokenHistory tokenHistory = new TokenHistory()
{
UserId = userId,
TimeStamp = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds,
Token = token
};
try
{
_dynamo.Store(tokenHistory);
}
catch (Exception)
{
throw new FaildToConnectDbException();
}
}
public async Task <dynamic> Login(object data) // username and password(MD5-ed)
{
return(await Task.Run(() =>
{
dynamic inData = data.ToDynamicObject();
string username = inData.username;
string password = inData.password;
var user = _userAccountRepo.First(p => p.UserName.Equals(username) && p.Password.Equals(password));
if (user != null)
{
long now = DateTime.Now.Ticks;
var token = _tokenHistory.Where(p => p.UserName.Equals(username) && p.ExpireDate > now).OrderByDescending(p => p.ExpireDate).FirstOrDefault();
if (token != null)
{
dynamic res = new ExpandoObject();
res.username = username;
res.token = token.Token;
return res;
}
else
{
TokenHistory th = new TokenHistory();
th.Id = Guid.NewGuid();
th.Token = Guid.NewGuid();
th.ExpireDate = DateTime.Now.AddDays(EXPIRE_DAY).Ticks;
th.CreatedDate = DateTime.Now.Ticks;
th.UserName = username;
_tokenHistory.Insert(th);
dynamic res = new ExpandoObject();
res.username = username;
res.token = th.Token;
return res;
}
}
return null;
}));
}
