70 lines
3.4 KiB
C#
70 lines
3.4 KiB
C#
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Net;
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using System.Security.Cryptography;
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internal static class EngineBootstrap
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{
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internal const string Url = "https://github.com/godotengine/godot-builds/releases/download/4.5-stable/Godot_v4.5-stable_win64.exe.zip";
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internal const string Hash = "e8ef4867466bb01a2b762c4ec404f54266b40a5cbba0efa95e3ab325cd7d349b5dc11259e1c1525195080dc82294ff28044f7ac4acad833e4b054b4257e9aa1a";
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internal static void Verify(string archive)
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{
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using (var stream = File.OpenRead(archive))
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using (var sha = SHA512.Create())
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if (BitConverter.ToString(sha.ComputeHash(stream)).Replace("-", "").ToLowerInvariant() != Hash)
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throw new InvalidDataException("Godot-Prüfsumme stimmt nicht. Bitte erneut versuchen.");
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}
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internal static void Install(string root, Action<string> status, string offlineArchive)
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{
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string engine = Path.Combine(root, "tools", "godot");
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if (File.Exists(Path.Combine(engine, "Godot_v4.5-stable_win64.exe")) && File.Exists(Path.Combine(engine, "Godot_v4.5-stable_win64_console.exe"))) return;
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Directory.CreateDirectory(engine);
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string archive = Path.Combine(engine, "download-" + Guid.NewGuid().ToString("N") + ".zip");
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try
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{
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if (offlineArchive == null)
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{
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string besideSetup = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Godot_v4.5-stable_win64.exe.zip");
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if (File.Exists(besideSetup)) offlineArchive = besideSetup;
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}
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if (offlineArchive != null) File.Copy(offlineArchive, archive);
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else
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{
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ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
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using (var client = new TimedClient())
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{
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client.Headers[HttpRequestHeader.UserAgent] = "BLOCKLINE-Setup/1.0";
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status("Godot 4.5 wird heruntergeladen …");
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try { client.DownloadFile(Url, archive); }
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catch (WebException ex) { throw new IOException("Godot konnte nicht geladen werden. Internet/Firewall prüfen oder Godot_v4.5-stable_win64.exe.zip von der offiziellen Godot-Seite neben die Setup-Datei legen. " + ex.Message, ex); }
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}
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}
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status("Prüfsumme prüfen und Engine entpacken …");
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Verify(archive);
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using (var zip = ZipFile.OpenRead(archive))
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foreach (string name in new[] { "Godot_v4.5-stable_win64.exe", "Godot_v4.5-stable_win64_console.exe" })
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{
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var entry = zip.GetEntry(name);
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if (entry == null) throw new InvalidDataException("Engine-Datei fehlt: " + name);
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string temp = Path.Combine(engine, name + ".part");
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entry.ExtractToFile(temp, true);
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string target = Path.Combine(engine, name);
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if (File.Exists(target)) File.Delete(target);
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File.Move(temp, target);
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}
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}
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finally { if (File.Exists(archive)) File.Delete(archive); }
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}
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private sealed class TimedClient : WebClient
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{
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protected override WebRequest GetWebRequest(Uri uri)
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{
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var request = (HttpWebRequest)base.GetWebRequest(uri);
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request.Timeout = 300000;
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request.ReadWriteTimeout = 300000;
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return request;
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}
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}
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}
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