public static User LoadUser(string path)
{
if (!File.Exists(path))
{
if (File.Exists(Path.ChangeExtension(path, "check")))
{
File.Delete(Path.ChangeExtension(path, "check"));
}
return(null);
}
if (!File.Exists(Path.ChangeExtension(path, "check")))
{
if (File.Exists(path))
{
File.Delete(path);
}
return(null);
}
string pwd = GetPassword("");
MemoryStream ms;
while (!Check(pwd, out ms))
{
pwd = InputBoxPassWord();
if (pwd == "")
{
break;
}
pwd = GetPassword(pwd);
}
bool Check(string password, out MemoryStream stream)
{
Secret s = new Secret(GetSecretKey(password));
try
{
stream = s.DecryptFileToStream(path);
}
catch
{
stream = null;
return(false);
}
stream.Seek(0, SeekOrigin.Begin);
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
stream.Seek(0, SeekOrigin.Begin);
string md5 = data.GetMD5();
string soumd5 = File.ReadAllText(Path.ChangeExtension(path, "check")).Trim();
if (md5 == soumd5)
{
return(true);
}
else
{
//stream = null;
return(false);
}
}
try
{
using (BinaryReader br = new BinaryReader(ms, Encoding.Unicode))
{
User user = new User
{
Password = br.ReadString(),
AppID = br.ReadString(),
SecretKey = br.ReadString(),
IsCheck = br.ReadBoolean(),
Name = br.ReadString(),
Length = br.ReadInt64(),
Stop = br.ReadBoolean()
};
return(user);
}
}
catch
{
return(null);
}
finally
{
//GData.Secret.EncryptionFile(path);
}
}