98 lines
2.7 KiB
C#
98 lines
2.7 KiB
C#
using Newtonsoft.Json;
|
|
using System;
|
|
using System.IO;
|
|
using System.Text;
|
|
|
|
namespace McCrypt
|
|
{
|
|
internal class Utils
|
|
{
|
|
|
|
internal static object JsonDecodeCloserToMinecraft(string json)
|
|
{
|
|
for (int i = json.Length; i > 0; i--)
|
|
{
|
|
try
|
|
{
|
|
return JsonConvert.DeserializeObject(json.Substring(0, i));
|
|
}
|
|
catch (Exception) { };
|
|
}
|
|
throw new Exception();
|
|
}
|
|
internal static bool IsDirectory(string path)
|
|
{
|
|
if (Directory.Exists(path))
|
|
return true;
|
|
else if (File.Exists(path))
|
|
return false;
|
|
else
|
|
throw new FileNotFoundException("Cannot find file: " + path);
|
|
}
|
|
|
|
internal static Int64 FindData(byte[] data, byte[] pattern)
|
|
{
|
|
|
|
for (Int64 i = 0; i < data.LongLength - pattern.LongLength; i++)
|
|
{
|
|
bool match = true;
|
|
for (Int64 k = 0; k < pattern.LongLength; k++)
|
|
{
|
|
if (data[i + k] != pattern[k])
|
|
{
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
if (match)
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
|
|
}
|
|
|
|
internal static string ReadString(Stream str, int len)
|
|
{
|
|
byte[] stringBytes = new byte[len];
|
|
str.Read(stringBytes, 0x00, len);
|
|
return Encoding.UTF8.GetString(stringBytes);
|
|
}
|
|
internal static void WriteString(Stream stream, string str, long totalLength)
|
|
{
|
|
byte[] data = Encoding.UTF8.GetBytes(str);
|
|
long paddingLen = totalLength - data.Length;
|
|
byte[] padding = new byte[paddingLen];
|
|
stream.Write(data, 0, data.Length);
|
|
stream.Write(padding, 0, padding.Length);
|
|
}
|
|
|
|
internal static byte[] ForceDecodeBase64(string base64Data)
|
|
{
|
|
for (int i = 0; i < 20; i++)
|
|
{
|
|
try
|
|
{
|
|
return Convert.FromBase64String(base64Data);
|
|
}
|
|
catch (Exception)
|
|
{
|
|
base64Data += "=";
|
|
}
|
|
}
|
|
return null;
|
|
|
|
}
|
|
internal static string TrimName(string name)
|
|
{
|
|
if (name.Contains("#"))
|
|
{
|
|
return name.Substring(0, name.IndexOf("#")).Trim();
|
|
}
|
|
return name.Trim();
|
|
}
|
|
|
|
}
|
|
}
|