From fce5259634dc03918d5811e9eae199cc0fefb441 Mon Sep 17 00:00:00 2001 From: Natalia Cholewa Date: Wed, 28 Oct 2020 18:04:23 +0100 Subject: [PATCH] Initial commit --- .gitignore | 363 +++++++++++++++++++++++++++++++++++++++ McAssetDownloader.csproj | 12 ++ McAssetDownloader.sln | 25 +++ Program.cs | 203 ++++++++++++++++++++++ 4 files changed, 603 insertions(+) create mode 100644 .gitignore create mode 100644 McAssetDownloader.csproj create mode 100644 McAssetDownloader.sln create mode 100644 Program.cs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3524b8a --- /dev/null +++ b/.gitignore @@ -0,0 +1,363 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. Comment the next line if you want to +# checkin your Azure Web App publish settings, but sensitive information contained +# in these scripts will be unencrypted +PublishScripts/ + +# NuGet Packages +*.nupkg +# NuGet Symbol Packages +*.snupkg +# The packages folder can be ignored because of Package Restore +**/[Pp]ackages/* +# except build/, which is used as an MSBuild target. +!**/[Pp]ackages/build/ +# Uncomment if necessary however generally it will be regenerated when needed +#!**/[Pp]ackages/repositories.config +# NuGet v3's project.json files produces more ignorable files +*.nuget.props +*.nuget.targets + +# Microsoft Azure Build Output +csx/ +*.build.csdef + +# Microsoft Azure Emulator +ecf/ +rcf/ + +# Windows Store app package directories and files +AppPackages/ +BundleArtifacts/ +Package.StoreAssociation.xml +_pkginfo.txt +*.appx +*.appxbundle +*.appxupload + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!?*.[Cc]ache/ + +# Others +ClientBin/ +~$* +*~ +*.dbmdl +*.dbproj.schemaview +*.jfm +*.pfx +*.publishsettings +orleans.codegen.cs + +# Including strong name files can present a security risk +# (https://github.com/github/gitignore/pull/2483#issue-259490424) +#*.snk + +# Since there are multiple workflows, uncomment next line to ignore bower_components +# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) +#bower_components/ + +# RIA/Silverlight projects +Generated_Code/ + +# Backup & report files from converting an old project file +# to a newer Visual Studio version. Backup files are not needed, +# because we have git ;-) +_UpgradeReport_Files/ +Backup*/ +UpgradeLog*.XML +UpgradeLog*.htm +ServiceFabricBackup/ +*.rptproj.bak + +# SQL Server files +*.mdf +*.ldf +*.ndf + +# Business Intelligence projects +*.rdl.data +*.bim.layout +*.bim_*.settings +*.rptproj.rsuser +*- [Bb]ackup.rdl +*- [Bb]ackup ([0-9]).rdl +*- [Bb]ackup ([0-9][0-9]).rdl + +# Microsoft Fakes +FakesAssemblies/ + +# GhostDoc plugin setting file +*.GhostDoc.xml + +# Node.js Tools for Visual Studio +.ntvs_analysis.dat +node_modules/ + +# Visual Studio 6 build log +*.plg + +# Visual Studio 6 workspace options file +*.opt + +# Visual Studio 6 auto-generated workspace file (contains which files were open etc.) +*.vbw + +# Visual Studio LightSwitch build output +**/*.HTMLClient/GeneratedArtifacts +**/*.DesktopClient/GeneratedArtifacts +**/*.DesktopClient/ModelManifest.xml +**/*.Server/GeneratedArtifacts +**/*.Server/ModelManifest.xml +_Pvt_Extensions + +# Paket dependency manager +.paket/paket.exe +paket-files/ + +# FAKE - F# Make +.fake/ + +# CodeRush personal settings +.cr/personal + +# Python Tools for Visual Studio (PTVS) +__pycache__/ +*.pyc + +# Cake - Uncomment if you are using it +# tools/** +# !tools/packages.config + +# Tabs Studio +*.tss + +# Telerik's JustMock configuration file +*.jmconfig + +# BizTalk build output +*.btp.cs +*.btm.cs +*.odx.cs +*.xsd.cs + +# OpenCover UI analysis results +OpenCover/ + +# Azure Stream Analytics local run output +ASALocalRun/ + +# MSBuild Binary and Structured Log +*.binlog + +# NVidia Nsight GPU debugger configuration file +*.nvuser + +# MFractors (Xamarin productivity tool) working folder +.mfractor/ + +# Local History for Visual Studio +.localhistory/ + +# BeatPulse healthcheck temp database +healthchecksdb + +# Backup folder for Package Reference Convert tool in Visual Studio 2017 +MigrationBackup/ + +# Ionide (cross platform F# VS Code tools) working folder +.ionide/ + +# Fody - auto-generated XML schema +FodyWeavers.xsd + diff --git a/McAssetDownloader.csproj b/McAssetDownloader.csproj new file mode 100644 index 0000000..0eaee1b --- /dev/null +++ b/McAssetDownloader.csproj @@ -0,0 +1,12 @@ + + + + Exe + netcoreapp3.1 + + + + + + + diff --git a/McAssetDownloader.sln b/McAssetDownloader.sln new file mode 100644 index 0000000..29f0216 --- /dev/null +++ b/McAssetDownloader.sln @@ -0,0 +1,25 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 16 +VisualStudioVersion = 16.0.29806.167 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "McAssetDownloader", "McAssetDownloader.csproj", "{42D6996F-3D98-476D-899A-08C31D7DDEFA}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {42D6996F-3D98-476D-899A-08C31D7DDEFA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {42D6996F-3D98-476D-899A-08C31D7DDEFA}.Debug|Any CPU.Build.0 = Debug|Any CPU + {42D6996F-3D98-476D-899A-08C31D7DDEFA}.Release|Any CPU.ActiveCfg = Release|Any CPU + {42D6996F-3D98-476D-899A-08C31D7DDEFA}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {CBD0A2D2-D14A-49F1-B4EF-CD26932A5ABA} + EndGlobalSection +EndGlobal diff --git a/Program.cs b/Program.cs new file mode 100644 index 0000000..2db941c --- /dev/null +++ b/Program.cs @@ -0,0 +1,203 @@ +using System; +using System.Collections.Generic; +using System.Threading.Tasks; +using System.IO.Compression; +using System.IO; +using System.Net.Http; +using Newtonsoft.Json.Linq; +using System.Diagnostics; + +namespace McAssetDownloader +{ + class Program + { + static async Task Main(string[] args) + { + var dm = new DownloadHelper(); + + if (args.Length != 2 || args[0].Equals("help", StringComparison.OrdinalIgnoreCase)) + { + Console.WriteLine("Usage: McAssetDownloader.exe [version, e.g. 1.16.3] [target zip path]"); + Console.WriteLine("Note: Versions below 1.7.3 will not work due to a different asset format"); + Console.WriteLine(); + Console.WriteLine("https://github.com/natanalt/mcassetdownloader <3"); + return; + } + + var versionName = args[0]; + var archiveName = args[1]; + + if (File.Exists(archiveName)) + { + Console.Write($"File {archiveName} already exists. Overwrite it? [Y/N] "); + var key = Console.ReadKey(); + Console.WriteLine(); + if (key.Key != ConsoleKey.Y) + { + Console.WriteLine("Aborting."); + return; + } + } + + await dm.RetrieveVersionData(); + + var version = dm.CachedVersions.Find(x => x.Id == versionName); + if (version == null) + { + Console.WriteLine($"Version {versionName} not found"); + return; + } + + using var client = new HttpClient(); + using var targetArchive = new ZipArchive( + new FileStream( + archiveName, + FileMode.Create, + FileAccess.ReadWrite), + ZipArchiveMode.Create); + + var meta = await dm.GetVersionMeta(versionName); + var assets = await dm.GetAssetIndexFor(meta); + + Console.WriteLine("Retrieving client jar..."); + using var clientRequest = await client.GetAsync(meta["downloads"]["client"].Value("url")); + clientRequest.EnsureSuccessStatusCode(); + using var clientStream = await clientRequest.Content.ReadAsStreamAsync(); + using var clientArchive = new ZipArchive(clientStream, ZipArchiveMode.Read); + + var readTotal = 0; + var totalFiles = assets.Count; + foreach (var entry in clientArchive.Entries) + { + var name = entry.FullName; + if (name != "assets/.mcassetsroot" && name.StartsWith("assets/")) + totalFiles += 1; + } + totalFiles += 1; // pack.png + + var stopwatch = new Stopwatch(); + stopwatch.Start(); + + void WriteStatus(string filename) + { + var percentage = (float)readTotal / totalFiles * 100; + Console.ForegroundColor = ConsoleColor.White; + Console.Write($"[{readTotal + 1}/{totalFiles} {(int)percentage}%] "); + Console.ForegroundColor = ConsoleColor.Gray; + Console.WriteLine($"Writing {filename}"); + readTotal += 1; + } + + foreach (var kv in assets) + { + var path = kv.Key == "pack.mcmeta" ? kv.Key : $"assets/{kv.Key}"; + WriteStatus(path); + using var stream = targetArchive.CreateEntry(path).Open(); + using var request = await client.GetAsync(dm.GetAssetUri(kv.Value)); + request.EnsureSuccessStatusCode(); + await request.Content.CopyToAsync(stream); + } + + WriteStatus("pack.png"); + using (var stream = targetArchive.CreateEntry("pack.png").Open()) + await clientArchive.GetEntry("pack.png").Open().CopyToAsync(stream); + + foreach (var entry in clientArchive.Entries) + { + var name = entry.FullName; + if (name == "assets/.mcassetsroot" || !name.StartsWith("assets/")) + continue; + + WriteStatus(name); + using (var stream = targetArchive.CreateEntry(name).Open()) + await clientArchive.GetEntry(name).Open().CopyToAsync(stream); + } + + Console.WriteLine($"Done! Took {(int)stopwatch.Elapsed.TotalSeconds} seconds"); + } + } + + class VersionInfo + { + public string Id; + public string Type; + public Uri MetaUri; + public DateTime Time; + public DateTime ReleaseTime; + } + + class DownloadHelper + { + public Uri VersionManifestUri { get; protected set; } + public List CachedVersions { get; protected set; } + + public DownloadHelper(Uri versionManifestUri = null) + { + VersionManifestUri = versionManifestUri + ?? new Uri("https://launchermeta.mojang.com/mc/game/version_manifest.json"); + CachedVersions = new List(); + } + + public async Task RetrieveVersionData() + { + using var client = new HttpClient(); + + Console.WriteLine("Retrieving version data... Version manifest URI:"); + Console.WriteLine(VersionManifestUri); + + using var request = await client.GetAsync(VersionManifestUri); + request.EnsureSuccessStatusCode(); + var contentBody = await request.Content.ReadAsStringAsync(); + + CachedVersions.Clear(); + foreach (var entry in JObject.Parse(contentBody).Value("versions")) + { + CachedVersions.Add(new VersionInfo + { + Id = entry.Value("id"), + Type = entry.Value("type"), + MetaUri = new Uri(entry.Value("url")), + Time = DateTime.Parse(entry.Value("time")), + ReleaseTime = DateTime.Parse(entry.Value("releaseTime")), + }); + } + } + + public async Task GetVersionMeta(string versionId) + { + using var client = new HttpClient(); + using var metaRequest = await client.GetAsync(CachedVersions.Find(x => x.Id == versionId).MetaUri); + metaRequest.EnsureSuccessStatusCode(); + return JObject.Parse(await metaRequest.Content.ReadAsStringAsync()); + } + + public async Task> GetAssetIndexFor(JObject meta) + { + var versionId = meta.Value("id"); + + Console.WriteLine($"Retrieving asset index URI for version {versionId}"); + if (meta.Value("assets") == "pre-1.6" || meta.Value("assets") == "legacy") + { + Console.WriteLine($"Legacy or pre-1.6 asset index for version {versionId} detected."); + Console.WriteLine($"Legacy asset formats aren't supported by McAssetDownloader"); + return null; + } + + var totalSize = meta["assetIndex"].Value("totalSize"); + Console.WriteLine($"Found asset index - total assets size: {totalSize / 1024} KiB"); + + using var client = new HttpClient(); + using var indexRequest = await client.GetAsync(meta["assetIndex"].Value("url")); + indexRequest.EnsureSuccessStatusCode(); + + var result = new Dictionary(); + var index = JObject.Parse(await indexRequest.Content.ReadAsStringAsync()).Value("objects"); + foreach (var kv in index) + result[kv.Key] = kv.Value.Value("hash"); + + return result; + } + + public Uri GetAssetUri(string hash) => new Uri($"http://resources.download.minecraft.net/{hash.Substring(0, 2)}/{hash}"); + } +}