/// <summary>
/// Constructs an object with decryptor options</br>
/// If specified this constructor inits the database
/// </summary>
/// <param name="options"></param>
public Decryptor(DecryptorOptions options) : this()
{
Options = options;
if (options.UseDatabase)
{
Options.UseDatabase = InitDB(options.DatabasePath);
}
}
static void Main(string[] args)
{
Decryptor decryptor;
DecryptorOptions decryptorOptions = new DecryptorOptions();
try
{
decryptorOptions = ParseCommandLineArgs(args);
decryptor = new Decryptor(decryptorOptions);
if (decryptorOptions.UsageMode == Mode.None)
{
Usage();
goto End;
}
else if (decryptorOptions.RemoveFilesAfterDecryption)
{
WriteToConsole("[ARGS] Removing files after decryption." + Environment.NewLine, ConsoleColor.Yellow);
WriteToConsole("[ARGS] Press any key to continue or CTRL + C to break..." + Environment.NewLine, ConsoleColor.Yellow);
Console.ReadKey();
}
decryptor.InitDecryptor(ENCRYPTION_KEY);
if (decryptorOptions.UsageMode == Mode.Folder)
{
decryptor.DecryptAll(decryptorOptions.InputPath, decryptorOptions.OutputPath);
}
else if (decryptorOptions.UsageMode == Mode.File)
{
decryptor.Decrypt(decryptorOptions.InputPath, decryptorOptions.OutputPath);
}
}
catch (Exception e)
{
WriteToConsole("[START] Error occured: " + e.Message + Environment.NewLine, ConsoleColor.Red);
Usage();
}
End:
WriteToConsole(Environment.NewLine + "Press any key to exit the program...");
Console.ReadKey();
}
public static DecryptorOptions ParseCommandLineArgs(string[] args)
{
var options = new DecryptorOptions();
int index = 0;
int length = args.Length;
foreach (string arg in args)
{
if (string.IsNullOrWhiteSpace(arg))
{
index++;
continue;
}
switch (arg.ToUpper())
{
case "/D": // Directory Mode
if (length - 1 > index && Directory.Exists(args[index + 1]))
{
options.InputPath = args[index + 1];
options.UsageMode = Mode.Folder;
WriteToConsole("[ARGS] Changing mode to Folder decryption!", ConsoleColor.Yellow);
}
else
{
WriteToConsole("[ARGS] The directory path is missing..." + Environment.NewLine, ConsoleColor.Red);
throw new FileNotFoundException("Directory path is missing or specified directory was not found!");
}
break;
case "/F": // File Mode
if (length - 1 > index && File.Exists(args[index + 1]))
{
options.InputPath = args[index + 1];
if (length - 1 > index + 1 && !string.IsNullOrWhiteSpace(args[index + 2]))
{
if (File.Exists(args[index + 2]))
{
throw new IOException("File already exists: " + args[index + 2]);
}
options.OutputPath = args[index + 2];
}
else
{
throw new FormatException("Output file path is missing...");
}
options.UsageMode = Mode.File;
WriteToConsole("[ARGS] Changing mode to Single decryption!", ConsoleColor.Yellow);
}
else
{
throw new FileNotFoundException("Input file is missing or not specified!");
}
break;
case "/DB": // Use Database
options.UseDatabase = true;
if (length - 1 > index && File.Exists(args[index + 1]))
{
options.DatabasePath = args[index + 1];
}
break;
case "/RM": // Remove encrypted files after decryption
options.RemoveFilesAfterDecryption = true;
break;
case "/OUT":
options.UseOutputFolder = true;
if (args.Length - 1 > index)
{
options.OutputFolder = args[index + 1];
}
break;
}
index++;
}
return(options);
}