/// <summary>
/// Creates streaming user.
/// </summary>
/// <param name="userName">User name string.</param>
/// <param name="password">Password string.</param>
/// <returns></returns>
public bool CreateUser(string userName, string password)
{
var userNameValidation = new Regex("[a-z,A-Z,0-9,_!@#$%^&*]{4,32}", RegexOptions.Compiled | RegexOptions.Singleline);
if (string.IsNullOrEmpty(userName) ||
!userNameValidation.IsMatch(userName, 0) ||
string.IsNullOrEmpty(password) ||
password.Length < 6)
{
throw new InvalidOperationException(@"Invalid username, allowed characters are 'a-z,A-Z,0-9,_!@#$%^&*' and length between 4 and 32 !");
}
if (string.IsNullOrEmpty(password) ||
password.Length < 6)
{
throw new InvalidOperationException(@"Invalid password, minimum 6 characters !");
}
var user = (from su in _dataContext.Get <StreamingUser>()
where su.UserName == userName
select su).FirstOrDefault();
if (user != null)
{
return(false);
}
user = new StreamingUser();
user.UserName = userName;
user.PasswordHash = CryptographyHelper.ComputeHashSHA1($"{userName}_+_{password}{user.PasswordSalt}");
_dataContext.Add(user);
_dataContext.SaveChanges();
return(true);
}
/// <summary>
/// Starts or continues previous media straiming session.
/// </summary>
/// <param name="userId">User identifier</param>
/// <param name="ip">Ip address</param>
/// <returns>Streaming session info object, containing playing media and milliseconds playing at.</returns>
public SessionInfo StartSession(Guid userId, string ip)
{
var session = (from ss in _dataContext.Get <StreamingSession>()
where ss.UserId == userId
select ss).FirstOrDefault();
if (session == null)
{
session = new StreamingSession
{
DateStarted = DateTime.UtcNow,
IsActive = true,
StateInfoJson = string.Empty,
UserId = userId,
UserIp = ip
};
_dataContext.Add(session);
_dataContext.SaveChanges();
}
else
if (!session.IsActive)
{
session.IsActive = true;
session.DateStarted = DateTime.UtcNow;
session.DateFinished = null;
_dataContext.Update(session);
_dataContext.SaveChanges();
}
return(new SessionInfo
{
SessionKey = session.Id.ToString(),
PlayingMediaId = session.PlayingMediaId?.ToString() ?? string.Empty,
PlayingAtMSec = (session.PlayingMediaId.HasValue ? session.PlayingAtMSec : 0)
});
}