public static LicenseValidationState CheckLicenseState(ClientInfo clientInfo, out string message, out bool deleteVideo)
{
LicenseValidationState currentState = LicenseValidationState.Valid;
deleteVideo = false;
message = "";
DateTime sessionStartDate = new DateTime();
DateTime lastAccessTime = new DateTime();
DateTime currentDateTime = DateTime.Now;
// if registration date is between SessionStart and SessionEnd date
if (clientInfo.SessionStartDate.CompareTo(clientInfo.RegistrationDate) < 0 && clientInfo.SessionEndDate.CompareTo(clientInfo.RegistrationDate) > 0)
{
sessionStartDate = DateTime.Parse(clientInfo.RegistrationDate.AddSeconds(-clientInfo.RegistrationDate.Second).AddMinutes(-clientInfo.RegistrationDate.Minute).ToString("dd-MMM-yyyy hh:00 tt"), CultureInfo.InvariantCulture);
}
else if (clientInfo.SessionStartDate.CompareTo(clientInfo.RegistrationDate) > 0)
{
sessionStartDate = clientInfo.SessionStartDate;
}
else if (clientInfo.SessionEndDate.CompareTo(clientInfo.RegistrationDate) < 0)
{
deleteVideo = true;
currentState = LicenseValidationState.Expired;
message = licenseExpiredMessage;
return(currentState);
}
lastAccessTime = sessionStartDate;
//RegDate > CurrentDate
if (sessionStartDate.CompareTo(currentDateTime) > 0)
{
currentState = LicenseValidationState.InvalidLicense;
message = invalidLicenseMessage;
}
// License is expired - Delete All Videos
else if (clientInfo.SessionEndDate < currentDateTime)
{
deleteVideo = true;
currentState = LicenseValidationState.Expired;
message = licenseExpiredMessage;
}
// Clock time is back from current time -> Invalid Clock
else if (lastAccessTime > currentDateTime) // && (registrationDate < currentDateTime && currentDateTime > clientInfo.ExpiryDate))
{
currentState = LicenseValidationState.InvalidClock;
message = invalidClockMessage;
}
//// First Time Login Case -> Valid
//if (lastAccessTime.Equals(clientInfo.RegistrationDate) && (registrationDate < currentDateTime && currentDateTime < clientInfo.ExpiryDate))
//{
// currentState = LicenseValidationState.Valid;
//}
//// Normal Case -> Valid
//else if (lastAccessTime <= currentDateTime && (registrationDate < currentDateTime && currentDateTime < clientInfo.ExpiryDate))
//{
// currentState = LicenseValidationState.Valid;
//}
return(currentState);
}
public static LicenseValidationState ValidateMacAddress(RegInfoFB firebaseRegistrationInfo, ClientInfo localClientInfo, string localMacAddress, out string message, out bool deleteVideo, out bool skipLoginScreen)
{
//bool firebaseLicenseValidation = false;
LicenseValidationState licenseState = LicenseValidationState.None;
skipLoginScreen = false;
deleteVideo = false;
message = "";
// Device is online
if (firebaseRegistrationInfo != null)
{
//1) localClientInfo.MacAddress <> '' AND localClientInfo.MacAddress is in FirebaseMacAddressList == True
// Allow to login without authentication
if (string.IsNullOrEmpty(localClientInfo.MacAddress) == false)
{
// If local mac address is not matching with saved mac address.
if (localClientInfo.MacAddress.ToLower().Equals(localMacAddress.ToLower()) == false)
{
licenseState = LicenseValidationState.SavedMacAddressMismatched;
skipLoginScreen = false;
message = invalidLicenseMessage;
deleteVideo = true;
}
else if (firebaseRegistrationInfo.MacAddresses.Contains(localClientInfo.MacAddress) == true)
{
// maxlicense is valid and user already authenticated
skipLoginScreen = true;
licenseState = LicenseValidationState.Valid;
}
else if (firebaseRegistrationInfo.MacAddresses.Contains(localClientInfo.MacAddress) == false)
{
// 2.1) If FirebaseMacAddressList.Count >= MaxLicenseCount
// Raise Error and Exit Application
if (firebaseRegistrationInfo.MacAddresses.Count >= firebaseRegistrationInfo.NoOfPcs)
{
licenseState = LicenseValidationState.MaxMacAddressLimitExceed;
skipLoginScreen = false;
message = maxLicenseOccupiedMessage;
deleteVideo = true;
}
// 2.2) IF FirebaseMacAddressList.Count < MaxLicenseCount
// Add current macaddress in FirebaseMacAddressList and allow login
if (firebaseRegistrationInfo.MacAddresses.Count < firebaseRegistrationInfo.NoOfPcs)
{
licenseState = LicenseValidationState.Valid;
// Add current macaddress in FirebaseMacAddressList
//_addMacAddressInFirebase = true;
skipLoginScreen = false;
}
}
}
// 3) If localClientInfo.MacAddress == '' Then
else if (string.IsNullOrEmpty(localClientInfo.MacAddress))
{
// 3.1) If FirebaseMacAddressList.Count >= MaxLicenseCount
// Raise Error and Exit Application
if (firebaseRegistrationInfo.MacAddresses.Count >= firebaseRegistrationInfo.NoOfPcs)
{
licenseState = LicenseValidationState.MaxMacAddressLimitExceed;
skipLoginScreen = false;
message = maxLicenseOccupiedMessage;
deleteVideo = true;
}
// 3.2) If FirebaseMacAddressList.Count < MaxLicenseCount
else if (firebaseRegistrationInfo.MacAddresses.Count < firebaseRegistrationInfo.NoOfPcs)
{
licenseState = LicenseValidationState.Valid;
// On sucessful authentication, save local mac address to Firebase.
// Save local mac address to local client info file
//_addMacAddressInFirebase = true;
// Ask user to enter login credentials
skipLoginScreen = false;
}
}
}
// Device is offline
else
{
// 1) localClientInfo.MacAddress == ''
// Ask user for autentication
if (string.IsNullOrEmpty(localClientInfo.MacAddress))
{
skipLoginScreen = false;
}
// 2) localClientInfo.MacAddress <> ''
// Allow user to use application without authentication
else if (string.IsNullOrEmpty(localClientInfo.MacAddress) == false)
{
if (localClientInfo.MacAddress.ToLower().Equals(localMacAddress.ToLower()))
{
skipLoginScreen = true;
licenseState = LicenseValidationState.Valid;
}
else
{
skipLoginScreen = false;
licenseState = LicenseValidationState.ConnectivityRequiredForValidation;
message = invalidLicenseMessage;
}
// Validate license date;
}
}
return(licenseState);
}
