Initial support for Steam3 HTTP CDN. Incomplete.

DepotDownloader/ContentDownloader.cs

@@ -123,6 +123,35 @@ namespace DepotDownloader
             return false;
         }
 
+        static bool DepotHasSteam3Manifest( int depotId, out string manifest_id )
+        {
+            if (steam3 == null || steam3.AppInfo == null)
+            {
+                manifest_id = null;
+                return false;
+            }
+
+            foreach (var app in steam3.AppInfo)
+            {
+                KeyValue depots;
+                if (app.AppID == depotId && app.Sections.TryGetValue((int)EAppInfoSection.AppInfoSectionDepots, out depots))
+                {
+                    string key = depotId.ToString();
+                    var node = depots.Children.Where(a => a.Name == key).First().Children
+                               .Where(b => b.Name == key).First().Children
+                               .Where(c => c.Name == "manifests").First().Children
+                               .Where(d => d.Name == "Public").First();
+
+                    manifest_id = node.AsString(null);
+
+                    return true;
+                }
+            }
+
+            manifest_id = null;
+            return false;
+        }
+
         public static void Download( int depotId, int depotVersion, int cellId, string username, string password, bool onlyManifest, bool gameServer, bool exclude, string installDir, string[] fileList )
         {
             if ( !CreateDirectories( depotId, depotVersion, ref installDir ) )
@@ -131,37 +160,81 @@ namespace DepotDownloader
                 return;
             }
 
-            Console.Write( "Finding content servers..." );
+            ContentServerClient.Credentials credentials = null;
-            IPEndPoint contentServer = GetStorageServer( depotId, depotVersion, cellId );
+
+            if (username != null)
+            {
+                // ServerCache.BuildAuthServers( username );
+                credentials = GetCredentials((uint)depotId, username, password);
+            }
 
-            if ( contentServer == null )
+            if (!AccountHasAccess(depotId))
             {
-                Console.WriteLine( "\nError: Unable to find any content servers for depot {0}, version {1}", depotId, depotVersion );
+                string contentName = CDRManager.GetDepotName(depotId);
+                Console.WriteLine("Depot {0} ({1}) is not available from this account.", depotId, contentName);
+
+                if (steam3 != null)
+                    steam3.Disconnect();
+
                 return;
             }
 
-            Console.WriteLine( " Done!" );
+            string steam3_manifest = null;
+            if ( DepotHasSteam3Manifest( depotId, out steam3_manifest ) )
+            {
+                DownloadSteam3( credentials, depotId, depotVersion, cellId );
+            }
+            else
+            {
+                DownloadSteam2( credentials, depotId, depotVersion, cellId, username, password, onlyManifest, gameServer, exclude, installDir, fileList );
+            }
+
+            if ( steam3 != null )
+                steam3.Disconnect();
+        }
 
-            ContentServerClient.Credentials credentials = null;
+        private static void DownloadSteam3( ContentServerClient.Credentials credentials, int depotId, int depotVersion, int cellId )
+        {
+            Console.Write("Finding content servers...");
+/*            IPEndPoint contentServer = GetAnyStorageServer();
 
-            if ( username != null )
+            if (contentServer == null)
             {
-                credentials = GetCredentials( ( uint )depotId, username, password );
+                Console.WriteLine("\nError: Unable to find any content servers");
+                return;
             }
+*/
+
+            // find a proper bootstrap...
+            IPEndPoint contentServer1 = new IPEndPoint(IPAddress.Parse("4.28.20.42"), 80);
+            List<IPEndPoint> cdnServers = CDNClient.FetchServerList(contentServer1, cellId);
+
+            Console.WriteLine(" Done!");
 
-            if ( !AccountHasAccess( depotId ) )
+            CDNClient cdnClient = new CDNClient(cdnServers[0], credentials.AppTicket);
+
+            if (!cdnClient.Connect())
             {
-                string contentName = CDRManager.GetDepotName( depotId );
+                Console.WriteLine("\nCould not initialize connection with CDN.");
-                Console.WriteLine( "Depot {0} ({1}) is not available from this account.", depotId, contentName );
+                return;
+            }
+        }
 
-                if ( steam3 != null )
+        private static void DownloadSteam2( ContentServerClient.Credentials credentials, int depotId, int depotVersion, int cellId, string username, string password, bool onlyManifest, bool gameServer, bool exclude, string installDir, string[] fileList )
-                    steam3.Disconnect();
+        {
+            Console.Write("Finding content servers...");
+            IPEndPoint contentServer = GetStorageServer(depotId, depotVersion, cellId);
 
+            if (contentServer == null)
+            {
+                Console.WriteLine("\nError: Unable to find any content servers for depot {0}, version {1}", depotId, depotVersion);
                 return;
             }
 
-            string manifestFile = Path.Combine( installDir, "manifest.bin" );
+            Console.WriteLine(" Done!");
-            string txtManifest = Path.Combine( installDir, "manifest.txt" );
+
+            string manifestFile = Path.Combine(installDir, "manifest.bin");
+            string txtManifest = Path.Combine(installDir, "manifest.txt");
 
             ContentServerClient csClient = new ContentServerClient();
 
@@ -313,9 +386,6 @@ namespace DepotDownloader
 
             csClient.Disconnect();
 
-            if ( steam3 != null )
-                steam3.Disconnect();
-
         }
 
         static ContentServerClient.Credentials GetCredentials( uint depotId, string username, string password )
@@ -374,6 +444,31 @@ namespace DepotDownloader
 
             return null;
         }
+
+        static IPEndPoint GetAnyStorageServer()
+        {
+            foreach (IPEndPoint csdServer in ServerCache.CSDSServers)
+            {
+                ContentServerDSClient csdsClient = new ContentServerDSClient();
+                csdsClient.Connect(csdServer);
+
+                IPEndPoint[] servers = csdsClient.GetContentServerList();
+
+                if (servers == null)
+                {
+                    Console.WriteLine("Warning: CSDS {0} returned empty server list.", csdServer);
+                    continue;
+                }
+
+                if (servers.Length == 0)
+                    continue;
+
+                return servers[PsuedoRandom.GetRandomInt(0, servers.Length - 1)];
+            }
+
+            return null;
+        }
+
         static IPEndPoint GetAuthServer()
         {
             if ( ServerCache.AuthServers.Count > 0 )

DepotDownloader/DepotDownloader.csproj

@@ -41,6 +41,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -50,6 +51,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />

DepotDownloader/Steam3Session.cs

@@ -27,6 +27,8 @@ namespace DepotDownloader
             private set;
         }
 
+        public ReadOnlyCollection<SteamApps.AppInfoCallback.AppInfo> AppInfo { get; private set; }
+
         SteamClient steamClient;
 
         SteamUser steamUser;
@@ -99,7 +101,7 @@ namespace DepotDownloader
                 if ( diff > STEAM3_TIMEOUT && !bConnected )
                     break;
 
-                if ( credentials.HasSessionToken && credentials.AppTicket != null && Licenses != null && credentials.Steam2Ticket != null )
+                if ( credentials.HasSessionToken && credentials.AppTicket != null && Licenses != null && credentials.Steam2Ticket != null && AppInfo != null )
                     break;
 
                 if ( callback == null )
@@ -141,6 +143,7 @@ namespace DepotDownloader
                     Console.WriteLine( "Got Steam2 Ticket!" );
                     credentials.Steam2Ticket = msg.Steam2Ticket;
 
+                    steamApps.GetAppInfo( depotId );
                     steamApps.GetAppOwnershipTicket( depotId );
                 }
 
@@ -186,6 +189,21 @@ namespace DepotDownloader
                     Console.WriteLine( "Got {0} licenses for account!", msg.LicenseList.Count );
                     Licenses = msg.LicenseList;
                 }
+
+                if ( callback.IsType<SteamApps.AppInfoCallback>() )
+                {
+                    var msg = callback as SteamApps.AppInfoCallback;
+
+                    if (msg.AppsPending > 0 || msg.Apps.Count == 0 || msg.Apps[0].Status == SteamApps.AppInfoCallback.AppInfo.AppInfoStatus.Unknown)
+                    {
+                        Console.WriteLine("AppInfo did not contain the requested app id {0}", depotId);
+                        steamUser.LogOff();
+                        break;
+                    }
+
+                    Console.WriteLine("Got AppInfo for {0}", msg.Apps[0].AppID);
+                    AppInfo = msg.Apps;
+                }
             }
 
             credentialHandle.Set();