private void CollectExistingFiles()
{
if (Directory.Exists(AppDomain.CurrentDomain.BaseDirectory + name))
{
root = new MyFolder(Name, null, userInfo);
UploadedFiles = new MyFolder("uploaded", root, userInfo);
DirectorySearch(root);
}
else
{
root = new MyFolder(name, null, userInfo);
UploadedFiles = new MyFolder("uploaded", root, userInfo);
}
}
private void DirectorySearch(MyFolder dir)
{
foreach (string f in Directory.GetFiles(dir.RealPath))
{
var file = new MyFile(Path.GetFileName(f), dir, UserInfo);
dir.AddChildren(file);
}
foreach (string d in Directory.GetDirectories(dir.RealPath))
{
var folder = new MyFolder(Path.GetFileName(d), dir, userInfo);
dir.AddChildren(folder);
if (!folder.Name.Equals("shared"))
{
DirectorySearch(folder);
}
}
}
static void Main()
{
CollectAllUsers();
Console.Clear();
bool end = false;
while (!end)
{
String input = Console.ReadLine();
Console.Clear();
switch (input)
{
case "login":
{
if (loggedUser != null)
{
EnterWorkingSpace();
break;
}
Console.WriteLine("Unesite korisnicko ime:");
string username = Console.ReadLine();
Console.Clear();
Console.WriteLine("Unesite lozinku");
String password = ReadPassword();
Console.Clear();
if (username.Equals(String.Empty) && password.Equals(String.Empty))
{
ErrorMessage("Pogresan unos");
break;
}
if (!IsUserNameFree(username))
{
var values = generateHash(allUsersInfo.Find(x => x.Username.Equals(username)).HashAlgorithm, password, allUsersInfo.Find(x => x.Username.Equals(username)).Salt);
User user = new User(username, values[3].TrimEnd('\n'), values[2], values[1], allUsers.Find(x => x.Name.Equals(username)).CryptoAlgorithm, DATABASE + "/" + username + "/" + username + ".key");
if (Exists(user))
{
if (!File.Exists(user.Certificate))
{
ErrorMessage("Ne postoji sertifikat za odabranog korisnika");
}
else
{
if (isCertificateValid(user.Certificate))
{
loggedUser = user;
executeCommand("/C openssl rsa -in " + loggedUser.PrivateKeyFile + " -pubout -out " + loggedUser.UserInfo.PublicKey + " > errors.txt");
Console.Clear();
currentFolder = loggedUser.Root;
CollectSharedFiles();
EnterWorkingSpace();
}
else
{
ErrorMessage("Sertifikat unesenog korisnika nije validan");
}
}
}
else
{
ErrorMessage("Pogresan unos");
}
}
else
{
ErrorMessage("Pogresan unos");
}
break;
}
case "end":
{
end = true;
SaveData();
break;
}
case "signup":
{
Console.WriteLine("Unesite novo korisnicko ime:");
String name = Console.ReadLine();
Console.Clear();
if (IsUserNameFree(name))
{
Console.WriteLine("Unesite lozinku: ");
String firstPassword = ReadPassword();
Console.Clear();
Console.WriteLine("Ponovite lozinku: ");
String secondPassword = ReadPassword();
Console.Clear();
if (firstPassword == secondPassword)
{
Console.WriteLine("Odaberite hash algoritam koji zelite da koristite za hesiranje vase lozinke.\n SHA-256\n SHA-512\n md5");
var hashType = Console.ReadLine();
if (hashType == "md5")
{
hashType = "1";
}
else if (hashType == "SHA-512")
{
hashType = "6";
}
else if (hashType == "SHA-256")
{
hashType = "5";
}
else
{
ErrorMessage("Koristice se podrazumijevani hash algoritam(md5)");
hashType = "1";
}
Console.Clear();
Console.WriteLine("Odaberite algoritam koji zelite da koristite za kriptovanje vasih fajlova.\n des\n des3\n aes\n rc4");
var algorithm = Console.ReadLine();
if (algorithm != "aes" && algorithm != "des" && algorithm != "des3" && algorithm != "rc4")
{
ErrorMessage("Ovaj algoritam nije podrzan!Koristice se podrazumijevani algoritam za kriptovanje(aes)");
algorithm = "aes-128-cbc";
}
if (algorithm == "aes")
{
algorithm = "aes-128-cbc";
}
var values = generateHash(hashType, secondPassword, "");
User user = new User(name, values[3].TrimEnd('\n'), values[2], hashType, algorithm, "");
allUsers.Add(user);
allUsersInfo.Add(user.UserInfo);
SaveData();
}
else
{
ErrorMessage("Lozinke se ne poklapaju");
}
}
else
{
ErrorMessage("Korisnicko ime je zauzeto");
}
break;
}
case "shared":
{
WriteHeading();
foreach (var file in sharedFiles)
{
if (!file.Name.Contains("messageFor#") && !file.Name.Contains(".otisak"))
{
Console.WriteLine("{0, -15} {1,-15} {2,-15}", file.Name, file.Owner.Username, file.User.Username);
}
}
break;
}
case "users":
{
Console.WriteLine("Korisnicko ime:");
foreach (var user in allUsersInfo)
{
Console.WriteLine((allUsersInfo.IndexOf(user) + 1) + ". " + user.Username);
}
break;
}
default:
{
break;
}
}
}
SaveData();
}
