public UserTokenDTO GiveMeUniqueAvailableToken(int userId)
{
var GuidString = CryptoServices.GenerateToken();
long expireTime =
Convert.ToInt64(TimeFunctions.DateTimeToUnixTimestamp(
DateTime.Now.AddMinutes(GlobalConfig.TokenExpiresInMinutes)));
using (var entities = new UCAInvestDBEntities())
{
var dbResponse = entities.user_tokens.FirstOrDefault(t => t.token == GuidString);
if (dbResponse == null)
{
var tokenToAdd = new UserToken()
{
user_id = userId,
expire_timestamp = expireTime,
token = GuidString
};
entities.user_tokens.Add(tokenToAdd);
entities.SaveChanges();
var config = new MapperConfiguration(cfg => {
cfg.CreateMap <UserToken, UserTokenDTO>();
});
IMapper iMapper = config.CreateMapper();
return(iMapper.Map <UserToken, UserTokenDTO>(tokenToAdd));
}
}
return(GiveMeUniqueAvailableToken(userId));
}
public UserTokenDTO LoginUser(string username, string password)
{
UserTokenDTO response = null;
using (var entities = new UCAInvestDBEntities())
{
var dbResponse =
entities.users.SingleOrDefault(t => t.username == username);
if (dbResponse != null)
{
string salt = dbResponse.salt;
if (dbResponse.password == CryptoServices.SHA256Encrypt(password, salt))
{
response = GiveMeUniqueAvailableToken(dbResponse.user_id);
}
}
}
return(response);
}
public UserTokenDTO RegisterUser(RegisterUserDTO userToRegister)
{
User addedUser = null;
using (var entities = new UCAInvestDBEntities())
{
var dbResponse =
entities.users.SingleOrDefault(t => t.mail == userToRegister.mail || t.username == userToRegister.username);
if (dbResponse == null)
{
long creationTimeStamp = Convert.ToInt64(TimeFunctions.DateTimeToUnixTimestamp(DateTime.Now));
string salt = CryptoServices.GenerateGuid().Substring(0, 8);
string password = CryptoServices.SHA256Encrypt(userToRegister.password, salt);
var userToAdd = new User()
{
first_name = userToRegister.first_name,
mail = userToRegister.mail,
last_name = userToRegister.last_name,
mobile_phone = userToRegister.mobile_phone,
creation_timestamp = creationTimeStamp,
password = password,
salt = salt,
username = userToRegister.username,
status = "freeuser"
};
addedUser = entities.users.Add(userToAdd);
entities.SaveChanges();
}
}
if (addedUser != null)
{
return(GiveMeUniqueAvailableToken(addedUser.user_id));
}
return(null);
}