public static void Signing(File f)
{
string filehash = Cryptfunc.GetHash(Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(f.pathtofile)));
string logshash = Cryptfunc.GetHash(Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(f.pathtolog)));
string strout = filehash + " -- " + logshash;
System.IO.File.WriteAllBytes(f.pathtosign, Cryptfunc.RSAEncrypt(System.Text.Encoding.Default.GetBytes(strout)));
}
//get from file
public File(string dir)
{
this.pathtofile = dir;
while (dir[dir.Length - 1] != '.')
{
dir = dir.Remove(dir.Length - 1);
}
this.pathtosign = dir + "sig";
this.pathtolog = dir + "log";
dir = dir.Remove(dir.Length - 1);
while (dir[dir.Length - 1] != '\\')
{
this.name += dir[dir.Length - 1];
dir = dir.Remove(dir.Length - 1);
}
this.name = new string(this.name.ToCharArray().Reverse().ToArray());
if (this.IsSigExist())
{
string strfromsig = System.Text.Encoding.UTF8.GetString(Cryptfunc.RSADecrypt(System.IO.File.ReadAllBytes(this.pathtosign)));
int i = 0;
if (strfromsig.Contains(" -- "))
{
while (strfromsig.Substring(i, 4) != " -- ")
{
this.filehashfromsig += strfromsig[i];
i++;
}
this.loghashfromsig = strfromsig.Remove(0, i + 4);
}
}
this.goodfile = this.IsFileValid() && this.IsLogValid();
if (this.goodfile)
{
string[] sep = { "\r\n" };
string str1 = System.Text.Encoding.UTF8.GetString(Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(this.pathtolog)));
string[] str = str1.Split(sep, StringSplitOptions.RemoveEmptyEntries);
logs = new List <Logline>();
foreach (string s in str)
{
this.logs.Add(new Logline(s));
}
int lastlog = logs.Count - 1;
this.date = logs[lastlog].date;
this.note = logs[lastlog].note;
this.touser = logs[lastlog].touser;
this.fromuser = logs[lastlog].fromuser;
this.state = logs[lastlog].state;
}
}
private void EditFile_Click(object sender, EventArgs e)
{
WordApp = new Word.Application()
{
Visible = true
};
System.IO.File.WriteAllBytes(file.pathtofile, Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(file.pathtofile)));
object readOnly = false;
object path = file.pathtofile;
WordDoc = WordApp.Documents.Open(ref path, ref miss, ref readOnly, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss);
WordDoc.Activate();
Controlfunc.Makeitinvisible(EditFile, SeeLogs, Deletefile);
Controlfunc.Makeitvisible(Chooseuserlabel, Chosenuser, ActionSelectionBox, Actionselectionlabel, NoteBox, Notelabel1, Notelabel2, EndwithoutSave, EndwithSave);
}
private void Seefile_Click(object sender, EventArgs e)
{
WordApp = new Word.Application()
{
Visible = true
};
compl = Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(file.pathtofile));
System.IO.File.WriteAllBytes(file.pathtofile, compl);
object readOnly = false;
object path = file.pathtofile;
WordDoc = WordApp.Documents.Open(ref path, ref miss, ref readOnly, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss);
WordDoc.Activate();
Controlfunc.Makeitinvisible(Seefile, Deletefile);
see = true;
}
public bool IsLogValid()
{
if (this.IsSigExist() && this.IsLogsExist())
{
string filehash = Cryptfunc.GetHash(Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(this.pathtolog)));
if (this.loghashfromsig == filehash)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
void Initializeuserbase()
{
string[] ch = { "\r\n" };
string[] s = System.Text.Encoding.UTF8.GetString(Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(pathtobase))).Split(ch, StringSplitOptions.RemoveEmptyEntries);
foreach (string str in s)
{
string uname = "", upass = "";
int uaccess;
int i = 0;
while (str[i] != ' ')
{
uname += str[i++];
}
i++;
uaccess = int.Parse(str[i].ToString());
i += 2;
while (i < str.Length)
{
upass += str[i++];
}
userbase.Add(new User(uname, uaccess, upass));
}
}
public static void Loging(File f)
{
byte[] logs;
if (f.IsLogsExist())
{
logs = Cryptfunc.AESDecrypt(System.IO.File.ReadAllBytes(f.pathtolog));
}
else
{
logs = null;
}
string laststr = f.state + " -- " + f.fromuser + " -- " + f.touser + " -- " + DateTime.Now + " -- " + f.note;
if (logs != null)
{
string slogs = System.Text.Encoding.UTF8.GetString(logs);
System.IO.File.WriteAllBytes(f.pathtolog, Cryptfunc.AESEncrypt(System.Text.Encoding.UTF8.GetBytes(slogs + "\r\n" + laststr)));
}
else
{
System.IO.File.WriteAllBytes(f.pathtolog, Cryptfunc.AESEncrypt(System.Text.Encoding.UTF8.GetBytes(laststr)));
}
}