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370 lines
14 KiB
370 lines
14 KiB
using IPA.Utilities;
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using IPA.Loader;
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using Ionic.Zip;
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using Newtonsoft.Json;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using UnityEngine;
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using UnityEngine.Networking;
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using Logger = IPA.Logging.Logger;
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using Version = SemVer.Version;
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using IPA.Updating.Backup;
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namespace IPA.Updating.ModsaberML
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{
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class Updater : MonoBehaviour
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{
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public static Updater instance;
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public void Awake()
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{
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try
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{
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if (instance != null)
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Destroy(this);
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else
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{
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instance = this;
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CheckForUpdates();
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}
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}
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catch (Exception e)
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{
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Logger.updater.Error(e);
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}
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}
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public void CheckForUpdates()
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{
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StartCoroutine(CheckForUpdatesCoroutine());
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}
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private class ParsedPluginMeta : PluginManager.BSPluginMeta
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{
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private Version _verCache = null;
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public Version ModVersion
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{
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get
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{
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if (_verCache == null)
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_verCache = new Version(ModsaberInfo.CurrentVersion);
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return _verCache;
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}
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}
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public ParsedPluginMeta(PluginManager.BSPluginMeta meta)
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{
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this.Plugin = meta.Plugin;
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this.ModsaberInfo = meta.ModsaberInfo;
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this.Filename = meta.Filename;
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}
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}
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private struct UpdateStruct
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{
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public ParsedPluginMeta plugin;
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public ApiEndpoint.Mod externInfo;
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}
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IEnumerator CheckForUpdatesCoroutine()
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{
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Logger.updater.Info("Checking for mod updates...");
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var toUpdate = new List<UpdateStruct>();
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var GameVersion = new Version(Application.version);
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foreach (var _plugin in PluginManager.BSMetas)
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{
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var plugin = new ParsedPluginMeta(_plugin);
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var info = plugin.ModsaberInfo;
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if (info == null) continue;
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using (var request = UnityWebRequest.Get(ApiEndpoint.ApiBase + string.Format(ApiEndpoint.GetApprovedEndpoint, info.InternalName)))
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{
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yield return request.SendWebRequest();
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if (request.isNetworkError)
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{
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Logger.updater.Error("Network error while trying to update mods");
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Logger.updater.Error(request.error);
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continue;
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}
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if (request.isHttpError)
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{
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if (request.responseCode == 404)
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{
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Logger.updater.Error($"Mod {plugin.Plugin.Name} not found under name {info.InternalName}");
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continue;
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}
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Logger.updater.Error($"Server returned an error code while trying to update mod {plugin.Plugin.Name}");
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Logger.updater.Error(request.error);
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continue;
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}
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var json = request.downloadHandler.text;
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ApiEndpoint.Mod modRegistry;
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try
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{
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modRegistry = JsonConvert.DeserializeObject<ApiEndpoint.Mod>(json);
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Logger.updater.Debug(modRegistry.ToString());
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}
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catch (Exception e)
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{
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Logger.updater.Error($"Parse error while trying to update mods");
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Logger.updater.Error(e);
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continue;
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}
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Logger.updater.Debug($"Found Modsaber.ML registration for {plugin.Plugin.Name} ({info.InternalName})");
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Logger.updater.Debug($"Installed version: {plugin.ModVersion}; Latest version: {modRegistry.Version}");
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if (modRegistry.Version > plugin.ModVersion)
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{
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Logger.updater.Debug($"{plugin.Plugin.Name} needs an update!");
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if (modRegistry.GameVersion == GameVersion)
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{
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Logger.updater.Debug($"Queueing update...");
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toUpdate.Add(new UpdateStruct
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{
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plugin = plugin,
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externInfo = modRegistry
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});
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}
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else
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{
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Logger.updater.Warn($"Update avaliable for {plugin.Plugin.Name}, but for a different Beat Saber version!");
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}
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}
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}
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}
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Logger.updater.Info($"{toUpdate.Count} mods need updating");
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if (toUpdate.Count == 0) yield break;
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string tempDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + Path.GetRandomFileName());
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Directory.CreateDirectory(tempDirectory);
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foreach (var item in toUpdate)
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{
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StartCoroutine(UpdateModCoroutine(item, tempDirectory));
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}
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}
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class StreamDownloadHandler : DownloadHandlerScript
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{
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public MemoryStream Stream { get; set; }
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public StreamDownloadHandler(MemoryStream stream) : base()
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{
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Stream = stream;
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}
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protected override void ReceiveContentLength(int contentLength)
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{
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Stream.Capacity = contentLength;
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Logger.updater.Debug($"Got content length: {contentLength}");
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}
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protected override void CompleteContent()
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{
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Logger.updater.Debug("Download complete");
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}
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protected override bool ReceiveData(byte[] data, int dataLength)
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{
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if (data == null || data.Length < 1)
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{
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Logger.updater.Debug("CustomWebRequest :: ReceiveData - received a null/empty buffer");
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return false;
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}
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Stream.Write(data, 0, dataLength);
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return true;
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}
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protected override byte[] GetData() { return null; }
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protected override float GetProgress()
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{
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return 0f;
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}
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public override string ToString()
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{
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return $"{base.ToString()} ({Stream?.ToString()})";
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}
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}
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private void ExtractPluginAsync(MemoryStream stream, UpdateStruct item, ApiEndpoint.Mod.PlatformFile fileInfo, string tempDirectory)
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{
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Logger.updater.Debug($"Extracting ZIP file for {item.plugin.Plugin.Name}");
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var data = stream.GetBuffer();
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SHA1 sha = new SHA1CryptoServiceProvider();
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var hash = sha.ComputeHash(data);
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if (!LoneFunctions.UnsafeCompare(hash, fileInfo.Hash))
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throw new Exception("The hash for the file doesn't match what is defined");
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var newFiles = new List<FileInfo>();
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var backup = new BackupUnit(tempDirectory, $"backup-{item.plugin.ModsaberInfo.InternalName}");
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try
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{
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bool shouldDeleteOldFile = true;
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using (var zipFile = ZipFile.Read(stream))
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{
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Logger.updater.Debug("Streams opened");
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foreach (var entry in zipFile)
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{
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if (entry.IsDirectory)
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{
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Logger.updater.Debug($"Creating directory {entry.FileName}");
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Directory.CreateDirectory(Path.Combine(Environment.CurrentDirectory, entry.FileName));
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}
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else
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{
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using (var ostream = new MemoryStream((int)entry.UncompressedSize))
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{
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entry.Extract(ostream);
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ostream.Seek(0, SeekOrigin.Begin);
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sha = new SHA1CryptoServiceProvider();
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var fileHash = sha.ComputeHash(ostream);
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if (!LoneFunctions.UnsafeCompare(fileHash, fileInfo.FileHashes[entry.FileName]))
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throw new Exception("The hash for the file doesn't match what is defined");
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ostream.Seek(0, SeekOrigin.Begin);
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FileInfo targetFile = new FileInfo(Path.Combine(Environment.CurrentDirectory, entry.FileName));
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Directory.CreateDirectory(targetFile.DirectoryName);
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if (targetFile.FullName == item.plugin.Filename)
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shouldDeleteOldFile = false; // overwriting old file, no need to delete
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if (targetFile.Exists)
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backup.Add(targetFile);
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else
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newFiles.Add(targetFile);
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Logger.updater.Debug($"Extracting file {targetFile.FullName}");
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var fstream = targetFile.Create();
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ostream.CopyTo(fstream);
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}
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}
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}
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}
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if (item.plugin.Plugin is SelfPlugin)
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{ // currently updating self
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Process.Start(new ProcessStartInfo
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{
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FileName = item.plugin.Filename,
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Arguments = $"--waitfor={Process.GetCurrentProcess().Id} --nowait",
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UseShellExecute = false
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});
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}
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else if (shouldDeleteOldFile)
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File.Delete(item.plugin.Filename);
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}
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catch (Exception)
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{ // something failed; restore
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foreach (var file in newFiles)
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file.Delete();
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backup.Restore();
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backup.Delete();
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throw;
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}
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backup.Delete();
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Logger.updater.Debug("Downloader exited");
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}
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IEnumerator UpdateModCoroutine(UpdateStruct item, string tempDirectory)
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{
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Logger.updater.Debug($"Steam avaliable: {SteamCheck.IsAvailable}");
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ApiEndpoint.Mod.PlatformFile platformFile;
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if (SteamCheck.IsAvailable || item.externInfo.Files.Oculus == null)
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platformFile = item.externInfo.Files.Steam;
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else
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platformFile = item.externInfo.Files.Oculus;
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string url = platformFile.DownloadPath;
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Logger.updater.Debug($"URL = {url}");
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const int MaxTries = 3;
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int maxTries = MaxTries;
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while (maxTries > 0)
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{
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if (maxTries-- != MaxTries)
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Logger.updater.Info($"Re-trying download...");
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using (var stream = new MemoryStream())
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using (var request = UnityWebRequest.Get(url))
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using (var taskTokenSource = new CancellationTokenSource())
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{
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var dlh = new StreamDownloadHandler(stream);
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request.downloadHandler = dlh;
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Logger.updater.Debug("Sending request");
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//Logger.updater.Debug(request?.downloadHandler?.ToString() ?? "DLH==NULL");
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yield return request.SendWebRequest();
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Logger.updater.Debug("Download finished");
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if (request.isNetworkError)
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{
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Logger.updater.Error("Network error while trying to update mod");
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Logger.updater.Error(request.error);
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taskTokenSource.Cancel();
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continue;
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}
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if (request.isHttpError)
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{
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Logger.updater.Error($"Server returned an error code while trying to update mod");
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Logger.updater.Error(request.error);
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taskTokenSource.Cancel();
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continue;
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}
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stream.Seek(0, SeekOrigin.Begin); // reset to beginning
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var downloadTask = Task.Run(() =>
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{ // use slightly more multithreaded approach than coroutines
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ExtractPluginAsync(stream, item, platformFile, tempDirectory);
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}, taskTokenSource.Token);
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while (!(downloadTask.IsCompleted || downloadTask.IsCanceled || downloadTask.IsFaulted))
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yield return null; // pause coroutine until task is done
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if (downloadTask.IsFaulted)
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{
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Logger.updater.Error($"Error downloading mod {item.plugin.Plugin.Name}");
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Logger.updater.Error(downloadTask.Exception);
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continue;
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}
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break;
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}
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}
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if (maxTries == 0)
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Logger.updater.Warn($"Plugin download failed {MaxTries} times, not re-trying");
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else
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Logger.updater.Debug("Download complete");
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}
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}
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}
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