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ComputerEliteComputerElite
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QAVS speedrun
1 parent cdb5794 commit d603419

9 files changed

Lines changed: 298 additions & 15 deletions

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‎ComputerUtils‎

‎DiffCreator/Apkutils.cs‎

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using System.IO.Compression;
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using QuestPatcher.Axml;
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namespace DiffCreator;
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public class Apkutils
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{
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public const string ManifestPath = "AndroidManifest.xml";
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public static PatchingStatus GetPatchingStatus(ZipArchive apk, string packageId = "")
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{
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PatchingStatus status = new PatchingStatus();
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MemoryStream manifestStream = new MemoryStream();
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using (Stream s = apk.GetEntry(ManifestPath).Open())
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{
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s.CopyTo(manifestStream);
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}
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manifestStream.Position = 0;
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AxmlElement manifest = AxmlLoader.LoadDocument(manifestStream);
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foreach (AxmlAttribute a in manifest.Attributes)
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{
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if (a.Name == "versionName")
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{
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status.version = a.Value.ToString();
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}
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if (a.Name == "versionCode")
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{
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status.versionCode = a.Value.ToString();
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}
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if(a.Name == "package")
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{
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packageId = a.Value.ToString();
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}
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}
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AxmlElement appElement = manifest.Children.Single(element => element.Name == "application");
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status.copyOf = null;
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foreach (AxmlElement e in appElement.Children)
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{
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if (e.Attributes.Any(x => x.Name == "name" && x.Value.ToString() == "QAVS.copyOf"))
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{
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status.copyOf = (string)e.Attributes.FirstOrDefault(x => x.Name == "value").Value;
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//Logger.Log("App is copy of " + status.copyOf);
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}
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}
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status.package = packageId;
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manifestStream.Close();
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manifestStream.Dispose();
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apk.Dispose();
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return status;
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}
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}

‎DiffCreator/DiffCreator.cs‎

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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.IO.Compression;
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using System.Linq;
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using System.Text.Json;
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using ComputerUtils.Logging;
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using DiffCreator;
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namespace QuestAppVersionSwitcher.DiffDowngrading
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{
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public class DiffCreator
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{
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public static DiffDowngradeEntry CreateDiff(string sourceBackup, string targetBackup,
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string outputDir)
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{
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DiffDowngradeEntry baseEntry = new DiffDowngradeEntry();
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if (!sourceBackup.EndsWith(Path.DirectorySeparatorChar)) sourceBackup += Path.DirectorySeparatorChar;
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if (!targetBackup.EndsWith(Path.DirectorySeparatorChar)) targetBackup += Path.DirectorySeparatorChar;
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if (!outputDir.EndsWith(Path.DirectorySeparatorChar)) outputDir += Path.DirectorySeparatorChar;
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if(!Directory.Exists(targetBackup)) Directory.CreateDirectory(targetBackup);
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Logger.Log("Creating diff");
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if(!File.Exists(sourceBackup + "app.apk") || !File.Exists(targetBackup + "app.apk"))
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{
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Logger.Log("App.apk not found in source or target backup");
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return null;
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}
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PatchingStatus sPatching = Apkutils.GetPatchingStatus(ZipFile.OpenRead(sourceBackup + "app.apk"));
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baseEntry.SV = sPatching.version;
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baseEntry.appid = sPatching.package;
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baseEntry.TV = Apkutils.GetPatchingStatus(ZipFile.OpenRead(targetBackup + "app.apk")).version;
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baseEntry.isXDelta3 = true;
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// Create entries
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baseEntry.Set(CreateDiffOfFile(baseEntry, sourceBackup + "app.apk", targetBackup + "app.apk", outputDir));
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// add obbs and other files
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List<string> allSourceFiles = new List<string>();
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List<string> allTargetFiles = new List<string>();
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if (Directory.Exists(sourceBackup + "/obb"))
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{
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allSourceFiles = Directory.GetFiles(sourceBackup + "/obb").ToList();
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allSourceFiles.Insert(0, sourceBackup + "app.apk");
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}
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if (Directory.Exists(targetBackup + "/obb"))
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{
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allTargetFiles = Directory.GetFiles(targetBackup + "/obb").ToList();
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allTargetFiles.Insert(0, targetBackup + "app.apk");
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}
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for (int i = 1; i < allTargetFiles.Count; i++)
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{
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// generate one diff for every target backup obbs
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baseEntry.otherFiles.Add(CreateDiffOfFile(baseEntry, allSourceFiles[i % allSourceFiles.Count],
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allTargetFiles[i], outputDir));
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}
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// The diff file is now created
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Logger.Log("Writing version.json file");
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File.WriteAllText(outputDir + "version.json", JsonSerializer.Serialize(baseEntry));
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Logger.Log("Finished creating diff");
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Logger.Log("\n\nSummary:");
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Logger.Log("Diff for " + baseEntry.SV + " (apk) -> " + baseEntry.TV + " (apk) created");
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foreach (FileDiffDowngradeEntry otherFile in baseEntry.otherFiles)
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{
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Logger.Log("Diff for " + otherFile.sourceFilename + " -> " + otherFile.outputFilename + " created");
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}
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return baseEntry;
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}
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public static FileDiffDowngradeEntry CreateDiffOfFile(DiffDowngradeEntry baseEntry, string sourcePath,
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string targetPath,
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string outputPath)
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{
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FileDiffDowngradeEntry e = new FileDiffDowngradeEntry();
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e.sourceFilename = Path.GetFileName(sourcePath);
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e.outputFilename = Path.GetFileName(targetPath);
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e.diffFilename = baseEntry.GetDowngradeBaseName() + e.sourceFilename + ".xdelta3";
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e.type = e.sourceFilename.ToLower().EndsWith(".apk")
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? FileDiffDowngradeEntryType.Apk
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: FileDiffDowngradeEntryType.Obb;
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e.isXDelta3 = true;
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e.SourceByteSize = new FileInfo(sourcePath).Length;
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e.TargetByteSize = new FileInfo(targetPath).Length;
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e.SSHA256 = Utils.GetSHA256OfFile(sourcePath);
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e.TSHA256 = Utils.GetSHA256OfFile(targetPath);
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e.download = "";
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e.isDirectDownload = true;
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string diffPath = outputPath + e.diffFilename;
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Logger.Log("Encoding diff file for " + e.sourceFilename + " -> " + e.outputFilename + " to " +
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e.diffFilename);
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Process.Start("xdelta3.exe", "-e -s \"" + sourcePath + "\" \"" + targetPath + "\" \"" + diffPath + "\"").WaitForExit();
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e.DSHA256 = Utils.GetSHA256OfFile(diffPath);
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e.DiffByteSize = new FileInfo(diffPath).Length;
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return e;
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}
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}
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}

‎DiffCreator/DiffDowngradeEntry.cs‎

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using System.Collections.Generic;
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using System.IO;
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namespace QuestAppVersionSwitcher.DiffDowngrading
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{
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public class DiffDowngradeEntry : FileDiffDowngradeEntry
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{
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public string SV { get; set; }
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public string TV { get; set; }
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public string appid { get; set; }
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public string GetDowngradeBaseName()
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{
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return appid + "." + SV + "TO" + TV + ".";
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}
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public List<FileDiffDowngradeEntry> otherFiles { get; set; } = new List<FileDiffDowngradeEntry>();
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}
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public class FileDiffDowngradeEntry
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{
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public string sourceFilename { get; set; } = "";
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private string _diffFilename = "";
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public string diffFilename
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{
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get
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{
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if (_diffFilename == "") return Path.GetFileName(download.Split('?')[0]);
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return _diffFilename;
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}
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set
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{
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_diffFilename = value;
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}
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}
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public string outputFilename { get; set; } = "";
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public FileDiffDowngradeEntryType type { get; set; } = FileDiffDowngradeEntryType.Apk;
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public bool isXDelta3 { get; set; } = false;
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public long TargetByteSize { get; set; } = 0;
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public long DiffByteSize { get; set; } = 0;
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public long SourceByteSize { get; set; } = 0;
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public string SSHA256 { get; set; } = "";
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public string DSHA256 { get; set; } = "";
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public string TSHA256 { get; set; } = "";
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public string download { get; set; } = "";
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public bool isDirectDownload { get; set; } = false;
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public void Set(FileDiffDowngradeEntry e)
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{
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this.sourceFilename = e.sourceFilename;
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this.diffFilename = e.diffFilename;
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this.outputFilename = e.outputFilename;
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this.type = e.type;
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this.isXDelta3 = e.isXDelta3;
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this.TargetByteSize = e.TargetByteSize;
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this.SourceByteSize = e.SourceByteSize;
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this.SSHA256 = e.SSHA256;
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this.DSHA256 = e.DSHA256;
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this.TSHA256 = e.TSHA256;
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this.download = e.download;
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this.isDirectDownload = e.isDirectDownload;
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}
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}
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public enum FileDiffDowngradeEntryType
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{
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Unknown = -1,
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Apk = 0,
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Obb = 1
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}
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public class DiffDowngradeEntryContainer
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{
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public List<DiffDowngradeEntry> versions { get; set; }
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}
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}

‎DiffCreator/PatchingStatus.cs‎

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namespace DiffCreator;
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public class PatchingStatus
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{
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public bool isPatched { get; set; } = false;
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public bool isInstalled { get; set; } = true;
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public bool canBePatched { get; set; } = true; // Not implemented yet.
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public string version { get; set; } = "";
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public string copyOf { get; set; } = "";
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public string versionCode { get; set; } = "";
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public string package { get; set; } = "";
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}

‎DiffCreator/Utils.cs‎

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using System;
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using System.IO;
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using System.Security.Cryptography;
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namespace QuestAppVersionSwitcher
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{
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public class Utils
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{
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public static string GetSHA256OfFile(string filePath)
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{
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byte[] hash;
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using (FileStream fileStream = File.OpenRead(filePath))
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{
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using (SHA256 sha256 = SHA256.Create())
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{
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hash = sha256.ComputeHash(fileStream);
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}
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}
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return BitConverter.ToString(hash).Replace("-", "").ToLower();
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}
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}
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}

‎QuestAppVersionSwitcher.sln‎

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@@ -7,6 +7,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuestAppVersionSwitcher", "
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputerUtils.Android", "ComputerUtils\ComputerUtils.Android\ComputerUtils.Android.csproj", "{D4B84F1A-A999-482F-8253-D6761AA93E24}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiffCreator", "DiffCreator\DiffCreator.csproj", "{5B57879B-170B-4804-B220-8CB11D332AD9}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ComputerUtils", "ComputerUtils\ComputerUtils\ComputerUtils.csproj", "{21D96B62-FF5D-4E84-A13D-7EA1CE172A78}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{D4B84F1A-A999-482F-8253-D6761AA93E24}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{D4B84F1A-A999-482F-8253-D6761AA93E24}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{D4B84F1A-A999-482F-8253-D6761AA93E24}.Release|Any CPU.Build.0 = Release|Any CPU
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{5B57879B-170B-4804-B220-8CB11D332AD9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{5B57879B-170B-4804-B220-8CB11D332AD9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{5B57879B-170B-4804-B220-8CB11D332AD9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{5B57879B-170B-4804-B220-8CB11D332AD9}.Release|Any CPU.Build.0 = Release|Any CPU
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{21D96B62-FF5D-4E84-A13D-7EA1CE172A78}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{21D96B62-FF5D-4E84-A13D-7EA1CE172A78}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{21D96B62-FF5D-4E84-A13D-7EA1CE172A78}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{21D96B62-FF5D-4E84-A13D-7EA1CE172A78}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

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