Reorganizes Project (#41)
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Kamron Batman
GitHub
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08bf44af9a
commit
3614a66aee
3499 changed files with 79 additions and 55 deletions
279
Projects/Scripts/Engines/RemoteAdmin/Network.cs
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279
Projects/Scripts/Engines/RemoteAdmin/Network.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using Server.Accounting;
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using Server.Items;
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using Server.Misc;
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using Server.Network;
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namespace Server.RemoteAdmin
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{
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public class AdminNetwork
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{
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private const string ProtocolVersion = "2";
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private const string DateFormat = "MMMM dd hh:mm:ss.f tt";
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private static List<NetState> m_Auth = new List<NetState>();
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private static bool m_NewLine = true;
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private static StringBuilder m_ConsoleData = new StringBuilder();
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public static void Configure()
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{
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PacketHandlers.Register(0xF1, 0, false, OnReceive);
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Core.MultiConsoleOut.Add(new EventTextWriter(OnConsoleChar, OnConsoleLine, OnConsoleString));
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Timer.DelayCall(TimeSpan.FromMinutes(2.5), TimeSpan.FromMinutes(2.5), CleanUp);
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}
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public static void OnConsoleString(string str)
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{
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string outStr;
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if (m_NewLine)
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{
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outStr = $"[{DateTime.UtcNow.ToString(DateFormat)}]: {str}";
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m_NewLine = false;
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}
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else
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{
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outStr = str;
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}
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m_ConsoleData.Append(outStr);
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RoughTrimConsoleData();
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SendToAll(outStr);
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}
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public static void OnConsoleChar(char ch)
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{
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if (m_NewLine)
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{
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string outStr;
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outStr = $"[{DateTime.UtcNow.ToString(DateFormat)}]: {ch}";
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m_ConsoleData.Append(outStr);
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SendToAll(outStr);
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m_NewLine = false;
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}
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else
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{
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m_ConsoleData.Append(ch);
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SendToAll(ch);
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}
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RoughTrimConsoleData();
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}
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public static void OnConsoleLine(string line)
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{
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string outStr;
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if (m_NewLine)
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outStr = $"[{DateTime.UtcNow.ToString(DateFormat)}]: {line}{Console.Out.NewLine}";
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else
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outStr = $"{line}{Console.Out.NewLine}";
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m_ConsoleData.Append(outStr);
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RoughTrimConsoleData();
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SendToAll(outStr);
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m_NewLine = true;
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}
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private static void SendToAll(string outStr)
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{
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SendToAll(new ConsoleData(outStr));
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}
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private static void SendToAll(char ch)
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{
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SendToAll(new ConsoleData(ch));
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}
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private static void SendToAll(ConsoleData packet)
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{
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packet.Acquire();
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for (int i = 0; i < m_Auth.Count; i++)
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m_Auth[i].Send(packet);
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packet.Release();
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}
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private static void RoughTrimConsoleData()
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{
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if (m_ConsoleData.Length >= 4096)
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m_ConsoleData.Remove(0, 2048);
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}
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private static void TightTrimConsoleData()
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{
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if (m_ConsoleData.Length > 1024)
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m_ConsoleData.Remove(0, m_ConsoleData.Length - 1024);
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}
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public static void OnReceive(NetState state, PacketReader pvSrc)
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{
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byte cmd = pvSrc.ReadByte();
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if (cmd == 0x02)
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{
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Authenticate(state, pvSrc);
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}
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else if (cmd == 0xFE)
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{
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state.Send(new CompactServerInfo());
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state.Dispose();
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}
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else if (cmd == 0xFF)
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{
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string statStr =
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$", Name={ServerList.ServerName}, Age={(int)(DateTime.UtcNow - Clock.ServerStart).TotalHours}, Clients={NetState.Instances.Count}, Items={World.Items.Count}, Chars={World.Mobiles.Count}, Mem={(int)(GC.GetTotalMemory(false) / 1024)}K, Ver={ProtocolVersion}";
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state.Send(new UOGInfo(statStr));
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state.Dispose();
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}
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else if (!IsAuth(state))
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{
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Console.WriteLine("ADMIN: Unauthorized packet from {0}, disconnecting", state);
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Disconnect(state);
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}
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else
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{
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if (!RemoteAdminHandlers.Handle(cmd, state, pvSrc))
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Disconnect(state);
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}
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}
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private static void DelayedDisconnect(NetState ns)
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{
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Timer.DelayCall(TimeSpan.FromSeconds(15.0), () => Disconnect(ns));
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}
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private static void Disconnect(NetState ns)
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{
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m_Auth.Remove(ns);
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ns.Dispose();
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}
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public static void Authenticate(NetState state, PacketReader pvSrc)
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{
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string user = pvSrc.ReadString(30);
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string pw = pvSrc.ReadString(30);
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if (!(Accounts.GetAccount(user) is Account a))
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{
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state.Send(new Login(LoginResponse.NoUser));
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Console.WriteLine("ADMIN: Invalid username '{0}' from {1}", user, state);
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DelayedDisconnect(state);
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}
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else if (!a.HasAccess(state))
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{
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state.Send(new Login(LoginResponse.BadIP));
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Console.WriteLine("ADMIN: Access to '{0}' from {1} denied.", user, state);
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DelayedDisconnect(state);
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}
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else if (!a.CheckPassword(pw))
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{
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state.Send(new Login(LoginResponse.BadPass));
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Console.WriteLine("ADMIN: Invalid password for user '{0}' from {1}", user, state);
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DelayedDisconnect(state);
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}
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else if (a.AccessLevel < AccessLevel.Administrator || a.Banned)
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{
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Console.WriteLine("ADMIN: Account '{0}' does not have admin access. Connection Denied.", user);
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state.Send(new Login(LoginResponse.NoAccess));
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DelayedDisconnect(state);
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}
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else
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{
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Console.WriteLine("ADMIN: Access granted to '{0}' from {1}", user, state);
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state.Account = a;
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a.LogAccess(state);
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a.LastLogin = DateTime.UtcNow;
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state.Send(new Login(LoginResponse.OK));
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TightTrimConsoleData();
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state.Send(Compress(new ConsoleData(m_ConsoleData.ToString())));
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m_Auth.Add(state);
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}
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}
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public static bool IsAuth(NetState state)
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{
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return m_Auth.Contains(state);
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}
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private static void CleanUp()
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{
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//remove dead instances from m_Auth
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List<NetState> list = new List<NetState>();
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for (int i = 0; i < m_Auth.Count; i++)
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{
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NetState ns = m_Auth[i];
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if (ns.Running)
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list.Add(ns);
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}
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m_Auth = list;
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}
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public static Packet Compress(Packet p)
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{
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byte[] source = p.Compile(false, out int length);
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if (length > 100 && length < 60000)
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{
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byte[] dest = new byte[(int)(length * 1.001) + 10];
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int destSize = dest.Length;
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ZLibError error = Compression.Pack(dest, ref destSize, source, length, ZLibQuality.Default);
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if (error != ZLibError.Okay)
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{
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Console.WriteLine("WARNING: Unable to compress admin packet, zlib error: {0}", error);
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return p;
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}
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return new AdminCompressedPacket(dest, destSize, length);
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}
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return p;
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}
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}
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public class EventTextWriter : TextWriter
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{
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public delegate void OnConsoleChar(char ch);
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public delegate void OnConsoleLine(string line);
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public delegate void OnConsoleStr(string str);
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private OnConsoleChar m_OnChar;
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private OnConsoleLine m_OnLine;
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private OnConsoleStr m_OnStr;
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public EventTextWriter(OnConsoleChar onChar, OnConsoleLine onLine, OnConsoleStr onStr)
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{
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m_OnChar = onChar;
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m_OnLine = onLine;
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m_OnStr = onStr;
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}
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public override Encoding Encoding => Encoding.ASCII;
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public override void Write(char ch)
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{
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m_OnChar?.Invoke(ch);
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}
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public override void Write(string str)
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{
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m_OnStr?.Invoke(str);
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}
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public override void WriteLine(string line)
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{
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m_OnLine?.Invoke(line);
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}
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}
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}
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