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1110 lines
45 KiB
C#
1110 lines
45 KiB
C#
using SteamKit2;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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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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namespace DepotDownloader
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{
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public class ContentDownloaderException : System.Exception
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{
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public ContentDownloaderException( String value ) : base( value ) {}
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}
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static class ContentDownloader
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{
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public const uint INVALID_APP_ID = uint.MaxValue;
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public const uint INVALID_DEPOT_ID = uint.MaxValue;
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public const ulong INVALID_MANIFEST_ID = ulong.MaxValue;
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public const string DEFAULT_BRANCH = "Public";
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public static DownloadConfig Config = new DownloadConfig();
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private static Steam3Session steam3;
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private static Steam3Session.Credentials steam3Credentials;
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private static CDNClientPool cdnPool;
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private const string DEFAULT_DOWNLOAD_DIR = "depots";
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private const string CONFIG_DIR = ".DepotDownloader";
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private static readonly string STAGING_DIR = Path.Combine( CONFIG_DIR, "staging" );
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private sealed class DepotDownloadInfo
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{
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public uint id { get; private set; }
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public string installDir { get; private set; }
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public string contentName { get; private set; }
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public ulong manifestId { get; private set; }
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public byte[] depotKey;
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public DepotDownloadInfo( uint depotid, ulong manifestId, string installDir, string contentName )
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{
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this.id = depotid;
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this.manifestId = manifestId;
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this.installDir = installDir;
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this.contentName = contentName;
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}
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}
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static bool CreateDirectories( uint depotId, uint depotVersion, out string installDir )
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{
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installDir = null;
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try
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{
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if ( string.IsNullOrWhiteSpace( ContentDownloader.Config.InstallDirectory ) )
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{
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Directory.CreateDirectory( DEFAULT_DOWNLOAD_DIR );
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string depotPath = Path.Combine( DEFAULT_DOWNLOAD_DIR, depotId.ToString() );
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Directory.CreateDirectory( depotPath );
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installDir = Path.Combine( depotPath, depotVersion.ToString() );
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Directory.CreateDirectory( installDir );
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Directory.CreateDirectory( Path.Combine( installDir, CONFIG_DIR ) );
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Directory.CreateDirectory( Path.Combine( installDir, STAGING_DIR ) );
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}
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else
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{
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Directory.CreateDirectory( ContentDownloader.Config.InstallDirectory );
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installDir = ContentDownloader.Config.InstallDirectory;
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Directory.CreateDirectory( Path.Combine( installDir, CONFIG_DIR ) );
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Directory.CreateDirectory( Path.Combine( installDir, STAGING_DIR ) );
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}
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}
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catch
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{
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return false;
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}
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return true;
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}
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static bool TestIsFileIncluded( string filename )
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{
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if ( !Config.UsingFileList )
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return true;
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foreach ( string fileListEntry in Config.FilesToDownload )
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{
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if ( fileListEntry.Equals( filename, StringComparison.OrdinalIgnoreCase ) )
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return true;
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}
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foreach ( Regex rgx in Config.FilesToDownloadRegex )
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{
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Match m = rgx.Match( filename );
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if ( m.Success )
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return true;
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}
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return false;
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}
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static bool AccountHasAccess( uint depotId )
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{
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if ( steam3 == null || steam3.steamUser.SteamID == null || ( steam3.Licenses == null && steam3.steamUser.SteamID.AccountType != EAccountType.AnonUser ) )
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return false;
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IEnumerable<uint> licenseQuery;
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if ( steam3.steamUser.SteamID.AccountType == EAccountType.AnonUser )
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{
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licenseQuery = new List<uint>() { 17906 };
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}
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else
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{
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licenseQuery = steam3.Licenses.Select( x => x.PackageID ).Distinct();
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}
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steam3.RequestPackageInfo( licenseQuery );
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foreach ( var license in licenseQuery )
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{
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SteamApps.PICSProductInfoCallback.PICSProductInfo package;
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if ( steam3.PackageInfo.TryGetValue( license, out package ) && package != null )
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{
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if ( package.KeyValues[ "appids" ].Children.Any( child => child.AsUnsignedInteger() == depotId ) )
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return true;
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if ( package.KeyValues[ "depotids" ].Children.Any( child => child.AsUnsignedInteger() == depotId ) )
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return true;
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}
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}
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return false;
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}
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internal static KeyValue GetSteam3AppSection( uint appId, EAppInfoSection section )
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{
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if ( steam3 == null || steam3.AppInfo == null )
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{
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return null;
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}
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SteamApps.PICSProductInfoCallback.PICSProductInfo app;
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if ( !steam3.AppInfo.TryGetValue( appId, out app ) || app == null )
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{
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return null;
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}
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KeyValue appinfo = app.KeyValues;
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string section_key;
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switch ( section )
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{
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case EAppInfoSection.Common:
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section_key = "common";
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break;
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case EAppInfoSection.Extended:
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section_key = "extended";
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break;
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case EAppInfoSection.Config:
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section_key = "config";
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break;
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case EAppInfoSection.Depots:
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section_key = "depots";
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break;
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default:
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throw new NotImplementedException();
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}
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KeyValue section_kv = appinfo.Children.Where( c => c.Name == section_key ).FirstOrDefault();
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return section_kv;
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}
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static uint GetSteam3AppBuildNumber( uint appId, string branch )
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{
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if ( appId == INVALID_APP_ID )
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return 0;
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KeyValue depots = ContentDownloader.GetSteam3AppSection( appId, EAppInfoSection.Depots );
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KeyValue branches = depots[ "branches" ];
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KeyValue node = branches[ branch ];
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if ( node == KeyValue.Invalid )
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return 0;
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KeyValue buildid = node[ "buildid" ];
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if ( buildid == KeyValue.Invalid )
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return 0;
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return uint.Parse( buildid.Value );
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}
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static ulong GetSteam3DepotManifest( uint depotId, uint appId, string branch )
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{
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KeyValue depots = GetSteam3AppSection( appId, EAppInfoSection.Depots );
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KeyValue depotChild = depots[ depotId.ToString() ];
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if ( depotChild == KeyValue.Invalid )
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return INVALID_MANIFEST_ID;
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// Shared depots can either provide manifests, or leave you relying on their parent app.
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// It seems that with the latter, "sharedinstall" will exist (and equals 2 in the one existance I know of).
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// Rather than relay on the unknown sharedinstall key, just look for manifests. Test cases: 111710, 346680.
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if ( depotChild[ "manifests" ] == KeyValue.Invalid && depotChild[ "depotfromapp" ] != KeyValue.Invalid )
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{
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uint otherAppId = depotChild["depotfromapp"].AsUnsignedInteger();
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if ( otherAppId == appId )
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{
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// This shouldn't ever happen, but ya never know with Valve. Don't infinite loop.
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Console.WriteLine( "App {0}, Depot {1} has depotfromapp of {2}!",
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appId, depotId, otherAppId );
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return INVALID_MANIFEST_ID;
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}
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steam3.RequestAppInfo( otherAppId );
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return GetSteam3DepotManifest( depotId, otherAppId, branch );
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}
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var manifests = depotChild[ "manifests" ];
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var manifests_encrypted = depotChild[ "encryptedmanifests" ];
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if ( manifests.Children.Count == 0 && manifests_encrypted.Children.Count == 0 )
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return INVALID_MANIFEST_ID;
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var node = manifests[ branch ];
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if ( branch != "Public" && node == KeyValue.Invalid )
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{
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var node_encrypted = manifests_encrypted[ branch ];
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if ( node_encrypted != KeyValue.Invalid )
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{
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string password = Config.BetaPassword;
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if ( password == null )
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{
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Console.Write( "Please enter the password for branch {0}: ", branch );
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Config.BetaPassword = password = Console.ReadLine();
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}
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var encrypted_v1 = node_encrypted[ "encrypted_gid" ];
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var encrypted_v2 = node_encrypted[ "encrypted_gid_2" ];
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if ( encrypted_v1 != KeyValue.Invalid )
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{
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byte[] input = Util.DecodeHexString( encrypted_v1.Value );
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byte[] manifest_bytes = CryptoHelper.VerifyAndDecryptPassword( input, password );
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if ( manifest_bytes == null )
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{
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Console.WriteLine( "Password was invalid for branch {0}", branch );
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return INVALID_MANIFEST_ID;
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}
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return BitConverter.ToUInt64( manifest_bytes, 0 );
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}
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else if ( encrypted_v2 != KeyValue.Invalid )
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{
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// Submit the password to Steam now to get encryption keys
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steam3.CheckAppBetaPassword( appId, Config.BetaPassword );
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if ( !steam3.AppBetaPasswords.ContainsKey( branch ) )
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{
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Console.WriteLine( "Password was invalid for branch {0}", branch );
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return INVALID_MANIFEST_ID;
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}
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byte[] input = Util.DecodeHexString( encrypted_v2.Value );
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byte[] manifest_bytes;
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try
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{
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manifest_bytes = CryptoHelper.SymmetricDecryptECB( input, steam3.AppBetaPasswords[ branch ] );
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}
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catch ( Exception e )
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{
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Console.WriteLine( "Failed to decrypt branch {0}: {1}", branch, e.Message );
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return INVALID_MANIFEST_ID;
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}
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return BitConverter.ToUInt64( manifest_bytes, 0 );
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}
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else
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{
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Console.WriteLine( "Unhandled depot encryption for depotId {0}", depotId );
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return INVALID_MANIFEST_ID;
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}
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}
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return INVALID_MANIFEST_ID;
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}
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if ( node.Value == null )
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return INVALID_MANIFEST_ID;
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return UInt64.Parse( node.Value );
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}
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static string GetAppOrDepotName( uint depotId, uint appId )
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{
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if ( depotId == INVALID_DEPOT_ID )
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{
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KeyValue info = GetSteam3AppSection( appId, EAppInfoSection.Common );
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if ( info == null )
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return String.Empty;
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return info[ "name" ].AsString();
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}
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else
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{
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KeyValue depots = GetSteam3AppSection( appId, EAppInfoSection.Depots );
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if ( depots == null )
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return String.Empty;
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KeyValue depotChild = depots[ depotId.ToString() ];
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if ( depotChild == null )
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return String.Empty;
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return depotChild[ "name" ].AsString();
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}
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}
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public static bool InitializeSteam3( string username, string password )
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{
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string loginKey = null;
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if ( username != null && Config.RememberPassword )
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{
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_ = AccountSettingsStore.Instance.LoginKeys.TryGetValue( username, out loginKey );
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}
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steam3 = new Steam3Session(
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new SteamUser.LogOnDetails()
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{
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Username = username,
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Password = loginKey == null ? password : null,
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ShouldRememberPassword = Config.RememberPassword,
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LoginKey = loginKey,
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LoginID = Config.LoginID ?? 0x534B32, // "SK2"
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}
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);
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steam3Credentials = steam3.WaitForCredentials();
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if ( !steam3Credentials.IsValid )
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{
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Console.WriteLine( "Unable to get steam3 credentials." );
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return false;
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}
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cdnPool = new CDNClientPool( steam3 );
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return true;
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}
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public static void ShutdownSteam3()
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{
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if (cdnPool != null)
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{
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cdnPool.Shutdown();
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cdnPool = null;
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}
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if ( steam3 == null )
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return;
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steam3.TryWaitForLoginKey();
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steam3.Disconnect();
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}
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public static async Task DownloadPubfileAsync( uint appId, ulong publishedFileId )
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{
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var details = steam3.GetPubfileItemInfo( appId, publishedFileId );
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if ( details?.manifest_id > 0 )
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{
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await DownloadAppAsync( appId, appId, details.manifest_id, DEFAULT_BRANCH, null, null, null, false, true );
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}
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else
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{
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Console.WriteLine( "Unable to locate manifest ID for published file {0}", publishedFileId );
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}
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}
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public static async Task DownloadAppAsync( uint appId, uint depotId, ulong manifestId, string branch, string os, string arch, string language, bool lv, bool isUgc )
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{
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// Load our configuration data containing the depots currently installed
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string configPath = ContentDownloader.Config.InstallDirectory;
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if (string.IsNullOrWhiteSpace(configPath))
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{
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configPath = DEFAULT_DOWNLOAD_DIR;
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}
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Directory.CreateDirectory(Path.Combine(configPath, CONFIG_DIR));
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DepotConfigStore.LoadFromFile(Path.Combine(configPath, CONFIG_DIR, "depot.config"));
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if ( steam3 != null )
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steam3.RequestAppInfo( appId );
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if ( !AccountHasAccess( appId ) )
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{
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if ( steam3.RequestFreeAppLicense( appId ) )
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{
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Console.WriteLine( "Obtained FreeOnDemand license for app {0}", appId );
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}
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else
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{
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string contentName = GetAppOrDepotName( INVALID_DEPOT_ID, appId );
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throw new ContentDownloaderException( String.Format( "App {0} ({1}) is not available from this account.", appId, contentName ) );
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}
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}
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var depotIDs = new List<uint>();
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KeyValue depots = GetSteam3AppSection( appId, EAppInfoSection.Depots );
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if ( isUgc )
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{
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var workshopDepot = depots["workshopdepot"].AsUnsignedInteger();
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if (workshopDepot != 0)
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depotId = workshopDepot;
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depotIDs.Add( depotId );
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}
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else
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{
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Console.WriteLine( "Using app branch: '{0}'.", branch );
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if ( depots != null )
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{
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foreach ( var depotSection in depots.Children )
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{
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uint id = INVALID_DEPOT_ID;
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if ( depotSection.Children.Count == 0 )
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continue;
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if ( !uint.TryParse( depotSection.Name, out id ) )
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continue;
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if ( depotId != INVALID_DEPOT_ID && id != depotId )
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continue;
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if ( depotId == INVALID_DEPOT_ID )
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{
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var depotConfig = depotSection[ "config" ];
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if ( depotConfig != KeyValue.Invalid )
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{
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if ( !Config.DownloadAllPlatforms &&
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depotConfig["oslist"] != KeyValue.Invalid &&
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!string.IsNullOrWhiteSpace( depotConfig["oslist"].Value ) )
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{
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var oslist = depotConfig["oslist"].Value.Split( ',' );
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if ( Array.IndexOf( oslist, os ?? Util.GetSteamOS() ) == -1 )
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continue;
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}
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if ( depotConfig["osarch"] != KeyValue.Invalid &&
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!string.IsNullOrWhiteSpace( depotConfig["osarch"].Value ) )
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{
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var depotArch = depotConfig["osarch"].Value;
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if ( depotArch != ( arch ?? Util.GetSteamArch() ) )
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continue;
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}
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if ( !Config.DownloadAllLanguages &&
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depotConfig["language"] != KeyValue.Invalid &&
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!string.IsNullOrWhiteSpace( depotConfig["language"].Value ) )
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{
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var depotLang = depotConfig["language"].Value;
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if ( depotLang != ( language ?? "english" ) )
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continue;
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}
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|
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if ( !lv &&
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depotConfig["lowviolence"] != KeyValue.Invalid &&
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depotConfig["lowviolence"].AsBoolean() )
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continue;
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}
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}
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depotIDs.Add( id );
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}
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}
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if ( depotIDs == null || ( depotIDs.Count == 0 && depotId == INVALID_DEPOT_ID ) )
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{
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throw new ContentDownloaderException( String.Format( "Couldn't find any depots to download for app {0}", appId ) );
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}
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else if ( depotIDs.Count == 0 )
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{
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throw new ContentDownloaderException( String.Format( "Depot {0} not listed for app {1}", depotId, appId ) );
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}
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}
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var infos = new List<DepotDownloadInfo>();
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foreach ( var depot in depotIDs )
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{
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var info = GetDepotInfo( depot, appId, manifestId, branch );
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if ( info != null )
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{
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infos.Add( info );
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}
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}
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try
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{
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await DownloadSteam3Async( appId, infos ).ConfigureAwait( false );
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}
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catch ( OperationCanceledException )
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{
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Console.WriteLine( "App {0} was not completely downloaded.", appId );
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throw;
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}
|
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}
|
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|
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static DepotDownloadInfo GetDepotInfo( uint depotId, uint appId, ulong manifestId, string branch )
|
|
{
|
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if ( steam3 != null && appId != INVALID_APP_ID )
|
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steam3.RequestAppInfo( ( uint )appId );
|
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string contentName = GetAppOrDepotName( depotId, appId );
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|
|
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if ( !AccountHasAccess( depotId ) )
|
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{
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Console.WriteLine( "Depot {0} ({1}) is not available from this account.", depotId, contentName );
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return null;
|
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}
|
|
|
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// Skip requesting an app ticket
|
|
steam3.AppTickets[ depotId ] = null;
|
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|
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if (manifestId == INVALID_MANIFEST_ID)
|
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{
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manifestId = GetSteam3DepotManifest(depotId, appId, branch);
|
|
if (manifestId == INVALID_MANIFEST_ID && branch != "public")
|
|
{
|
|
Console.WriteLine("Warning: Depot {0} does not have branch named \"{1}\". Trying public branch.", depotId, branch);
|
|
branch = "public";
|
|
manifestId = GetSteam3DepotManifest(depotId, appId, branch);
|
|
}
|
|
|
|
if (manifestId == INVALID_MANIFEST_ID)
|
|
{
|
|
Console.WriteLine("Depot {0} ({1}) missing public subsection or manifest section.", depotId, contentName);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
uint uVersion = GetSteam3AppBuildNumber( appId, branch );
|
|
|
|
string installDir;
|
|
if ( !CreateDirectories( depotId, uVersion, out installDir ) )
|
|
{
|
|
Console.WriteLine( "Error: Unable to create install directories!" );
|
|
return null;
|
|
}
|
|
|
|
steam3.RequestDepotKey( depotId, appId );
|
|
if ( !steam3.DepotKeys.ContainsKey( depotId ) )
|
|
{
|
|
Console.WriteLine( "No valid depot key for {0}, unable to download.", depotId );
|
|
return null;
|
|
}
|
|
|
|
byte[] depotKey = steam3.DepotKeys[ depotId ];
|
|
|
|
var info = new DepotDownloadInfo( depotId, manifestId, installDir, contentName );
|
|
info.depotKey = depotKey;
|
|
return info;
|
|
}
|
|
|
|
private class ChunkMatch
|
|
{
|
|
public ChunkMatch( ProtoManifest.ChunkData oldChunk, ProtoManifest.ChunkData newChunk )
|
|
{
|
|
OldChunk = oldChunk;
|
|
NewChunk = newChunk;
|
|
}
|
|
public ProtoManifest.ChunkData OldChunk { get; private set; }
|
|
public ProtoManifest.ChunkData NewChunk { get; private set; }
|
|
}
|
|
|
|
private class FileStreamData
|
|
{
|
|
public FileStream fileStream;
|
|
public SemaphoreSlim fileLock;
|
|
public int chunksToDownload;
|
|
}
|
|
|
|
private class GlobalDownloadCounter
|
|
{
|
|
public long TotalBytesCompressed;
|
|
public long TotalBytesUncompressed;
|
|
}
|
|
|
|
private class DepotDownloadCounter
|
|
{
|
|
public long CompleteDownloadSize;
|
|
public long SizeDownloaded;
|
|
public long DepotBytesCompressed;
|
|
public long DepotBytesUncompressed;
|
|
|
|
}
|
|
|
|
private static async Task DownloadSteam3Async(uint appId, List<DepotDownloadInfo> depots)
|
|
{
|
|
CancellationTokenSource cts = new CancellationTokenSource();
|
|
cdnPool.ExhaustedToken = cts;
|
|
|
|
GlobalDownloadCounter downloadCounter = new GlobalDownloadCounter();
|
|
|
|
foreach (var depot in depots)
|
|
{
|
|
await DownloadSteam3AsyncDepot(cts, downloadCounter, appId, depot);
|
|
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
}
|
|
|
|
Console.WriteLine("Total downloaded: {0} bytes ({1} bytes uncompressed) from {2} depots",
|
|
downloadCounter.TotalBytesCompressed, downloadCounter.TotalBytesUncompressed, depots.Count);
|
|
}
|
|
|
|
private static async Task DownloadSteam3AsyncDepot(CancellationTokenSource cts,
|
|
GlobalDownloadCounter downloadCounter,
|
|
uint appId, DepotDownloadInfo depot)
|
|
{
|
|
DepotDownloadCounter depotCounter = new DepotDownloadCounter();
|
|
|
|
Console.WriteLine("Downloading depot {0} - {1}", depot.id, depot.contentName);
|
|
|
|
ProtoManifest oldProtoManifest = null;
|
|
ProtoManifest newProtoManifest = null;
|
|
string configDir = Path.Combine(depot.installDir, CONFIG_DIR);
|
|
|
|
ulong lastManifestId = INVALID_MANIFEST_ID;
|
|
DepotConfigStore.Instance.InstalledManifestIDs.TryGetValue(depot.id, out lastManifestId);
|
|
|
|
// In case we have an early exit, this will force equiv of verifyall next run.
|
|
DepotConfigStore.Instance.InstalledManifestIDs[depot.id] = INVALID_MANIFEST_ID;
|
|
DepotConfigStore.Save();
|
|
|
|
if (lastManifestId != INVALID_MANIFEST_ID)
|
|
{
|
|
var oldManifestFileName = Path.Combine(configDir, string.Format("{0}_{1}.bin", depot.id, lastManifestId));
|
|
|
|
if (File.Exists(oldManifestFileName))
|
|
{
|
|
byte[] expectedChecksum, currentChecksum;
|
|
|
|
try
|
|
{
|
|
expectedChecksum = File.ReadAllBytes(oldManifestFileName + ".sha");
|
|
}
|
|
catch (IOException)
|
|
{
|
|
expectedChecksum = null;
|
|
}
|
|
|
|
oldProtoManifest = ProtoManifest.LoadFromFile(oldManifestFileName, out currentChecksum);
|
|
|
|
if (expectedChecksum == null || !expectedChecksum.SequenceEqual(currentChecksum))
|
|
{
|
|
// We only have to show this warning if the old manifest ID was different
|
|
if (lastManifestId != depot.manifestId)
|
|
Console.WriteLine("Manifest {0} on disk did not match the expected checksum.", lastManifestId);
|
|
oldProtoManifest = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lastManifestId == depot.manifestId && oldProtoManifest != null)
|
|
{
|
|
newProtoManifest = oldProtoManifest;
|
|
Console.WriteLine("Already have manifest {0} for depot {1}.", depot.manifestId, depot.id);
|
|
}
|
|
else
|
|
{
|
|
var newManifestFileName = Path.Combine(configDir, string.Format("{0}_{1}.bin", depot.id, depot.manifestId));
|
|
if (newManifestFileName != null)
|
|
{
|
|
byte[] expectedChecksum, currentChecksum;
|
|
|
|
try
|
|
{
|
|
expectedChecksum = File.ReadAllBytes(newManifestFileName + ".sha");
|
|
}
|
|
catch (IOException)
|
|
{
|
|
expectedChecksum = null;
|
|
}
|
|
|
|
newProtoManifest = ProtoManifest.LoadFromFile(newManifestFileName, out currentChecksum);
|
|
|
|
if (newProtoManifest != null && (expectedChecksum == null || !expectedChecksum.SequenceEqual(currentChecksum)))
|
|
{
|
|
Console.WriteLine("Manifest {0} on disk did not match the expected checksum.", depot.manifestId);
|
|
newProtoManifest = null;
|
|
}
|
|
}
|
|
|
|
if (newProtoManifest != null)
|
|
{
|
|
Console.WriteLine("Already have manifest {0} for depot {1}.", depot.manifestId, depot.id);
|
|
}
|
|
else
|
|
{
|
|
Console.Write("Downloading depot manifest...");
|
|
|
|
DepotManifest depotManifest = null;
|
|
|
|
do
|
|
{
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
CDNClient.Server connection = null;
|
|
|
|
try
|
|
{
|
|
connection = cdnPool.GetConnection(cts.Token);
|
|
var cdnToken = await cdnPool.AuthenticateConnection(appId, depot.id, connection);
|
|
|
|
depotManifest = await cdnPool.CDNClient.DownloadManifestAsync(depot.id, depot.manifestId,
|
|
connection, cdnToken, depot.depotKey).ConfigureAwait(false);
|
|
|
|
cdnPool.ReturnConnection(connection);
|
|
}
|
|
catch (TaskCanceledException)
|
|
{
|
|
Console.WriteLine("Connection timeout downloading depot manifest {0} {1}", depot.id, depot.manifestId);
|
|
}
|
|
catch (SteamKitWebRequestException e)
|
|
{
|
|
cdnPool.ReturnBrokenConnection(connection);
|
|
|
|
if (e.StatusCode == HttpStatusCode.Unauthorized || e.StatusCode == HttpStatusCode.Forbidden)
|
|
{
|
|
Console.WriteLine("Encountered 401 for depot manifest {0} {1}. Aborting.", depot.id, depot.manifestId);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
Console.WriteLine("Encountered error downloading depot manifest {0} {1}: {2}", depot.id, depot.manifestId, e.StatusCode);
|
|
}
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
break;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
cdnPool.ReturnBrokenConnection(connection);
|
|
Console.WriteLine("Encountered error downloading manifest for depot {0} {1}: {2}", depot.id, depot.manifestId, e.Message);
|
|
}
|
|
}
|
|
while (depotManifest == null);
|
|
|
|
if (depotManifest == null)
|
|
{
|
|
Console.WriteLine("\nUnable to download manifest {0} for depot {1}", depot.manifestId, depot.id);
|
|
cts.Cancel();
|
|
}
|
|
|
|
// Throw the cancellation exception if requested so that this task is marked failed
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
byte[] checksum;
|
|
|
|
newProtoManifest = new ProtoManifest(depotManifest, depot.manifestId);
|
|
newProtoManifest.SaveToFile(newManifestFileName, out checksum);
|
|
File.WriteAllBytes(newManifestFileName + ".sha", checksum);
|
|
|
|
Console.WriteLine(" Done!");
|
|
}
|
|
}
|
|
|
|
newProtoManifest.Files.Sort((x, y) => string.Compare(x.FileName, y.FileName, StringComparison.Ordinal));
|
|
|
|
Console.WriteLine("Manifest {0} ({1})", depot.manifestId, newProtoManifest.CreationTime);
|
|
|
|
if (Config.DownloadManifestOnly)
|
|
{
|
|
StringBuilder manifestBuilder = new StringBuilder();
|
|
string txtManifest = Path.Combine(depot.installDir, string.Format("manifest_{0}_{1}.txt", depot.id, depot.manifestId));
|
|
manifestBuilder.Append(string.Format("{0}\n\n", newProtoManifest.CreationTime));
|
|
|
|
foreach (var file in newProtoManifest.Files)
|
|
{
|
|
if (file.Flags.HasFlag(EDepotFileFlag.Directory))
|
|
continue;
|
|
|
|
manifestBuilder.Append(string.Format("{0}\n", file.FileName));
|
|
manifestBuilder.Append(string.Format("\t{0}\n", file.TotalSize));
|
|
manifestBuilder.Append(string.Format("\t{0}\n", BitConverter.ToString(file.FileHash).Replace("-", "")));
|
|
}
|
|
|
|
File.WriteAllText(txtManifest, manifestBuilder.ToString());
|
|
return;
|
|
}
|
|
|
|
string stagingDir = Path.Combine(depot.installDir, STAGING_DIR);
|
|
|
|
var filesAfterExclusions = newProtoManifest.Files.AsParallel().Where(f => TestIsFileIncluded(f.FileName)).ToList();
|
|
|
|
// Pre-process
|
|
filesAfterExclusions.ForEach(file =>
|
|
{
|
|
var fileFinalPath = Path.Combine(depot.installDir, file.FileName);
|
|
var fileStagingPath = Path.Combine(stagingDir, file.FileName);
|
|
|
|
if (file.Flags.HasFlag(EDepotFileFlag.Directory))
|
|
{
|
|
Directory.CreateDirectory(fileFinalPath);
|
|
Directory.CreateDirectory(fileStagingPath);
|
|
}
|
|
else
|
|
{
|
|
// Some manifests don't explicitly include all necessary directories
|
|
Directory.CreateDirectory(Path.GetDirectoryName(fileFinalPath));
|
|
Directory.CreateDirectory(Path.GetDirectoryName(fileStagingPath));
|
|
|
|
Interlocked.Add(ref depotCounter.CompleteDownloadSize, (long)file.TotalSize);
|
|
}
|
|
});
|
|
|
|
var files = filesAfterExclusions.Where(f => !f.Flags.HasFlag(EDepotFileFlag.Directory)).ToArray();
|
|
var networkChunkQueue = new ConcurrentQueue<Tuple<FileStreamData, ProtoManifest.FileData, ProtoManifest.ChunkData>>();
|
|
|
|
await Util.InvokeAsync(
|
|
files.Select(f => new Func<Task>(async () =>
|
|
await Task.Run(() => DownloadSteam3AsyncDepotFile(cts, downloadCounter, depotCounter,
|
|
stagingDir, oldProtoManifest, newProtoManifest,
|
|
networkChunkQueue,
|
|
appId, depot, f)))),
|
|
maxDegreeOfParallelism: Config.MaxDownloads
|
|
);
|
|
|
|
await Util.InvokeAsync(
|
|
networkChunkQueue.Select((x) => new Func<Task>(async () =>
|
|
await Task.Run(() => DownloadSteam3AsyncDepotFileChunk(cts, downloadCounter, depotCounter,
|
|
stagingDir, oldProtoManifest, newProtoManifest,
|
|
appId, depot, x.Item2, x.Item1, x.Item3)))),
|
|
maxDegreeOfParallelism: Config.MaxDownloads
|
|
);
|
|
|
|
DepotConfigStore.Instance.InstalledManifestIDs[depot.id] = depot.manifestId;
|
|
DepotConfigStore.Save();
|
|
|
|
Console.WriteLine("Depot {0} - Downloaded {1} bytes ({2} bytes uncompressed)", depot.id, depotCounter.DepotBytesCompressed, depotCounter.DepotBytesUncompressed);
|
|
}
|
|
|
|
private static void DownloadSteam3AsyncDepotFile(
|
|
CancellationTokenSource cts,
|
|
GlobalDownloadCounter downloadCounter, DepotDownloadCounter depotDownloadCounter,
|
|
string stagingDir, ProtoManifest oldProtoManifest, ProtoManifest newProtoManifest,
|
|
ConcurrentQueue<Tuple<FileStreamData, ProtoManifest.FileData, ProtoManifest.ChunkData>> networkChunkQueue,
|
|
uint appId, DepotDownloadInfo depot, ProtoManifest.FileData file)
|
|
{
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
string fileFinalPath = Path.Combine(depot.installDir, file.FileName);
|
|
string fileStagingPath = Path.Combine(stagingDir, file.FileName);
|
|
|
|
// This may still exist if the previous run exited before cleanup
|
|
if (File.Exists(fileStagingPath))
|
|
{
|
|
File.Delete(fileStagingPath);
|
|
}
|
|
|
|
FileStream fs = null;
|
|
List<ProtoManifest.ChunkData> neededChunks;
|
|
FileInfo fi = new FileInfo(fileFinalPath);
|
|
if (!fi.Exists)
|
|
{
|
|
// create new file. need all chunks
|
|
fs = File.Create(fileFinalPath);
|
|
fs.SetLength((long)file.TotalSize);
|
|
neededChunks = new List<ProtoManifest.ChunkData>(file.Chunks);
|
|
}
|
|
else
|
|
{
|
|
// open existing
|
|
ProtoManifest.FileData oldManifestFile = null;
|
|
if (oldProtoManifest != null)
|
|
{
|
|
oldManifestFile = oldProtoManifest.Files.SingleOrDefault(f => f.FileName == file.FileName);
|
|
}
|
|
|
|
if (oldManifestFile != null)
|
|
{
|
|
neededChunks = new List<ProtoManifest.ChunkData>();
|
|
|
|
if (Config.VerifyAll || !oldManifestFile.FileHash.SequenceEqual(file.FileHash))
|
|
{
|
|
// we have a version of this file, but it doesn't fully match what we want
|
|
if (Config.VerifyAll)
|
|
{
|
|
Console.WriteLine("Validating {0}", fileFinalPath);
|
|
}
|
|
|
|
var matchingChunks = new List<ChunkMatch>();
|
|
|
|
foreach (var chunk in file.Chunks)
|
|
{
|
|
var oldChunk = oldManifestFile.Chunks.FirstOrDefault(c => c.ChunkID.SequenceEqual(chunk.ChunkID));
|
|
if (oldChunk != null)
|
|
{
|
|
matchingChunks.Add(new ChunkMatch(oldChunk, chunk));
|
|
}
|
|
else
|
|
{
|
|
neededChunks.Add(chunk);
|
|
}
|
|
}
|
|
|
|
var orderedChunks = matchingChunks.OrderBy(x => x.OldChunk.Offset);
|
|
|
|
File.Move(fileFinalPath, fileStagingPath);
|
|
|
|
fs = File.Open(fileFinalPath, FileMode.Create);
|
|
fs.SetLength((long)file.TotalSize);
|
|
|
|
using (var fsOld = File.Open(fileStagingPath, FileMode.Open))
|
|
{
|
|
foreach (var match in orderedChunks)
|
|
{
|
|
fsOld.Seek((long)match.OldChunk.Offset, SeekOrigin.Begin);
|
|
|
|
byte[] tmp = new byte[match.OldChunk.UncompressedLength];
|
|
fsOld.Read(tmp, 0, tmp.Length);
|
|
|
|
byte[] adler = Util.AdlerHash(tmp);
|
|
if (!adler.SequenceEqual(match.OldChunk.Checksum))
|
|
{
|
|
neededChunks.Add(match.NewChunk);
|
|
}
|
|
else
|
|
{
|
|
fs.Seek((long)match.NewChunk.Offset, SeekOrigin.Begin);
|
|
fs.Write(tmp, 0, tmp.Length);
|
|
}
|
|
}
|
|
}
|
|
|
|
File.Delete(fileStagingPath);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// No old manifest or file not in old manifest. We must validate.
|
|
|
|
fs = File.Open(fileFinalPath, FileMode.Open);
|
|
if ((ulong)fi.Length != file.TotalSize)
|
|
{
|
|
fs.SetLength((long)file.TotalSize);
|
|
}
|
|
|
|
Console.WriteLine("Validating {0}", fileFinalPath);
|
|
neededChunks = Util.ValidateSteam3FileChecksums(fs, file.Chunks.OrderBy(x => x.Offset).ToArray());
|
|
}
|
|
|
|
if (neededChunks.Count() == 0)
|
|
{
|
|
var sizeDownloaded = Interlocked.Add(ref depotDownloadCounter.SizeDownloaded, (long)file.TotalSize);
|
|
Console.WriteLine("{0,6:#00.00}% {1}", ((float)sizeDownloaded / (float)depotDownloadCounter.CompleteDownloadSize) * 100.0f, fileFinalPath);
|
|
|
|
if (fs != null)
|
|
fs.Dispose();
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
var sizeDownloaded = ((long)file.TotalSize - (long)neededChunks.Select(x => (long)x.UncompressedLength).Sum());
|
|
Interlocked.Add(ref depotDownloadCounter.SizeDownloaded, sizeDownloaded);
|
|
}
|
|
}
|
|
|
|
FileStreamData fileStreamData = new FileStreamData
|
|
{
|
|
fileStream = fs,
|
|
fileLock = new SemaphoreSlim(1),
|
|
chunksToDownload = neededChunks.Count
|
|
};
|
|
|
|
foreach (var chunk in neededChunks)
|
|
{
|
|
networkChunkQueue.Enqueue(Tuple.Create(fileStreamData, file, chunk));
|
|
}
|
|
}
|
|
|
|
private static async Task DownloadSteam3AsyncDepotFileChunk(
|
|
CancellationTokenSource cts,
|
|
GlobalDownloadCounter downloadCounter, DepotDownloadCounter depotDownloadCounter,
|
|
string stagingDir, ProtoManifest oldProtoManifest, ProtoManifest newProtoManifest,
|
|
uint appId, DepotDownloadInfo depot, ProtoManifest.FileData file,
|
|
FileStreamData fileStreamData, ProtoManifest.ChunkData chunk)
|
|
{
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
string chunkID = Util.EncodeHexString(chunk.ChunkID);
|
|
|
|
DepotManifest.ChunkData data = new DepotManifest.ChunkData();
|
|
data.ChunkID = chunk.ChunkID;
|
|
data.Checksum = chunk.Checksum;
|
|
data.Offset = chunk.Offset;
|
|
data.CompressedLength = chunk.CompressedLength;
|
|
data.UncompressedLength = chunk.UncompressedLength;
|
|
|
|
CDNClient.DepotChunk chunkData = null;
|
|
|
|
do
|
|
{
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
CDNClient.Server connection = null;
|
|
|
|
try
|
|
{
|
|
connection = cdnPool.GetConnection(cts.Token);
|
|
var cdnToken = await cdnPool.AuthenticateConnection(appId, depot.id, connection);
|
|
|
|
chunkData = await cdnPool.CDNClient.DownloadDepotChunkAsync(depot.id, data,
|
|
connection, cdnToken, depot.depotKey).ConfigureAwait(false);
|
|
|
|
cdnPool.ReturnConnection(connection);
|
|
}
|
|
catch (TaskCanceledException)
|
|
{
|
|
Console.WriteLine("Connection timeout downloading chunk {0}", chunkID);
|
|
}
|
|
catch (SteamKitWebRequestException e)
|
|
{
|
|
cdnPool.ReturnBrokenConnection(connection);
|
|
|
|
if (e.StatusCode == HttpStatusCode.Unauthorized || e.StatusCode == HttpStatusCode.Forbidden)
|
|
{
|
|
Console.WriteLine("Encountered 401 for chunk {0}. Aborting.", chunkID);
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
Console.WriteLine("Encountered error downloading chunk {0}: {1}", chunkID, e.StatusCode);
|
|
}
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
break;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
cdnPool.ReturnBrokenConnection(connection);
|
|
Console.WriteLine("Encountered unexpected error downloading chunk {0}: {1}", chunkID, e.Message);
|
|
}
|
|
}
|
|
while (chunkData == null);
|
|
|
|
if (chunkData == null)
|
|
{
|
|
Console.WriteLine("Failed to find any server with chunk {0} for depot {1}. Aborting.", chunkID, depot.id);
|
|
cts.Cancel();
|
|
}
|
|
|
|
// Throw the cancellation exception if requested so that this task is marked failed
|
|
cts.Token.ThrowIfCancellationRequested();
|
|
|
|
try
|
|
{
|
|
await fileStreamData.fileLock.WaitAsync().ConfigureAwait(false);
|
|
|
|
fileStreamData.fileStream.Seek((long)chunkData.ChunkInfo.Offset, SeekOrigin.Begin);
|
|
fileStreamData.fileStream.Write(chunkData.Data, 0, chunkData.Data.Length);
|
|
}
|
|
finally
|
|
{
|
|
fileStreamData.fileLock.Release();
|
|
}
|
|
|
|
Interlocked.Add(ref downloadCounter.TotalBytesCompressed, chunk.CompressedLength);
|
|
Interlocked.Add(ref depotDownloadCounter.DepotBytesCompressed, chunk.CompressedLength);
|
|
Interlocked.Add(ref downloadCounter.TotalBytesUncompressed, chunk.UncompressedLength);
|
|
Interlocked.Add(ref depotDownloadCounter.DepotBytesUncompressed, chunk.UncompressedLength);
|
|
|
|
var sizeDownloaded = Interlocked.Add(ref depotDownloadCounter.SizeDownloaded, chunkData.Data.Length);
|
|
|
|
int remainingChunks = Interlocked.Decrement(ref fileStreamData.chunksToDownload);
|
|
if (remainingChunks == 0)
|
|
{
|
|
fileStreamData.fileStream.Dispose();
|
|
fileStreamData.fileLock.Dispose();
|
|
|
|
var fileFinalPath = Path.Combine(depot.installDir, file.FileName);
|
|
Console.WriteLine("{0,6:#00.00}% {1}", ((float)sizeDownloaded / (float)depotDownloadCounter.CompleteDownloadSize) * 100.0f, fileFinalPath);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|