81 lines
2.1 KiB
C#
81 lines
2.1 KiB
C#
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using System;
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using System.IO;
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using System.Text;
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using PureCrack.Util;
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using PureCrack.Wire;
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namespace PureCrack.Relay;
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public static class CaptureWriter
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{
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public static string Dump(string path, byte[] rawBody, byte[]? plaintext)
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{
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string text = DateTime.Now.ToString("yyyyMMdd_HHmmss");
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string text2 = SanitizePathForFilename(path);
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string text3 = Path.Combine(Workspace.CapturesDir, text + "_" + text2);
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File.WriteAllBytes(text3 + ".raw.bin", rawBody);
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if (plaintext != null)
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{
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File.WriteAllBytes(text3 + ".pt.bin", plaintext);
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File.WriteAllText(text3 + ".pt.txt", BuildPrettyDump(path, plaintext), Encoding.UTF8);
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}
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return text3;
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}
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private static string BuildPrettyDump(string path, byte[] pt)
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{
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StringBuilder stringBuilder = new StringBuilder(pt.Length * 4);
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stringBuilder.Append("URL: ").Append(path).Append('\n');
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stringBuilder.Append("Decrypted ").Append(pt.Length).Append(" bytes\n\nHEX:\n");
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for (int i = 0; i < pt.Length; i += 32)
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{
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int num = Math.Min(32, pt.Length - i);
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stringBuilder.Append(i.ToString("x4")).Append(" ");
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for (int j = 0; j < num; j++)
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{
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stringBuilder.Append(pt[i + j].ToString("x2")).Append(' ');
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}
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for (int k = num; k < 32; k++)
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{
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stringBuilder.Append(" ");
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}
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stringBuilder.Append(" |");
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for (int l = 0; l < num; l++)
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{
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byte b = pt[i + l];
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stringBuilder.Append((char)((b >= 32 && b < 127) ? b : 46));
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}
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stringBuilder.Append("|\n");
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}
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stringBuilder.Append("\nPROTOBUF TREE:\n");
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try
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{
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stringBuilder.Append(ProtoNet.Dump(pt));
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}
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catch (Exception ex)
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{
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stringBuilder.Append("<parse err: ").Append(ex.Message).Append(">\n");
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}
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return stringBuilder.ToString();
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}
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private static string SanitizePathForFilename(string path)
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{
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string text = path.Replace('/', '_').Trim(new char[1] { '_' });
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char[] invalidFileNameChars = Path.GetInvalidFileNameChars();
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foreach (char oldChar in invalidFileNameChars)
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{
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text = text.Replace(oldChar, '_');
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}
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if (text.Length == 0)
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{
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text = "root";
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}
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if (text.Length > 80)
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{
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text = text.Substring(0, 80);
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}
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return text;
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}
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}
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