125 lines
No EOL
3.2 KiB
C#
125 lines
No EOL
3.2 KiB
C#
/*
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TShock, a server mod for Terraria
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Copyright (C) 2011-2014 Nyx Studios (fka. The TShock Team)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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.Net;
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using System.Threading;
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using Newtonsoft.Json;
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namespace TShockAPI
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{
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public class UpdateManager
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{
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private string updateUrl = "https://github.com/NyxStudios/TShock/blob/general-devel/tshock_update.json?raw=true";
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/// <summary>
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/// Check once every X minutes.
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/// </summary>
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private readonly int CheckXMinutes = 30;
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public UpdateManager()
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{
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ThreadPool.QueueUserWorkItem(CheckForUpdates);
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}
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private void CheckForUpdates(object state)
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{
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try
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{
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UpdateCheck(state);
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}
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catch (Exception)
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{
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//swallow the exception
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return;
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}
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Thread.Sleep(CheckXMinutes * 60 * 1000);
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ThreadPool.QueueUserWorkItem(CheckForUpdates);
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}
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public void UpdateCheck(object o)
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{
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var updates = ServerIsOutOfDate();
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if (updates != null)
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{
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NotifyAdministrators(updates);
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}
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}
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/// <summary>
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/// Checks to see if the server is out of date.
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/// </summary>
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/// <returns></returns>
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private Dictionary<string, string> ServerIsOutOfDate()
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{
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var client = (HttpWebRequest)WebRequest.Create(updateUrl);
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client.Timeout = 5000;
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try
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{
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using (var resp = TShock.Utils.GetResponseNoException(client))
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{
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if (resp.StatusCode != HttpStatusCode.OK)
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{
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throw new IOException("Server did not respond with an OK.");
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}
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using(var reader = new StreamReader(resp.GetResponseStream()))
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{
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string updatejson = reader.ReadToEnd();
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var update = JsonConvert.DeserializeObject<Dictionary<string, string>>(updatejson);
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var version = new Version(update["version"]);
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if (TShock.VersionNum.CompareTo(version) < 0)
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return update;
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}
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}
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}
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catch (Exception e)
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{
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Log.ConsoleError("UpdateManager Exception: {0}", e);
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throw e;
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}
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return null;
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}
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private void NotifyAdministrators(Dictionary<string, string> update)
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{
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var changes = update["changes"].Split(new[] {'\n'}, StringSplitOptions.RemoveEmptyEntries);
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NotifyAdministrator(TSPlayer.Server, changes);
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foreach (TSPlayer player in TShock.Players)
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{
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if (player != null && player.Active && player.Group.HasPermission(Permissions.maintenance))
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{
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NotifyAdministrator(player, changes);
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}
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}
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}
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private void NotifyAdministrator(TSPlayer player, string[] changes)
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{
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player.SendMessage("The server is out of date.", Color.Red);
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for (int j = 0; j < changes.Length; j++)
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{
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player.SendMessage(changes[j], Color.Red);
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}
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}
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}
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} |