offload patching onto background thread

Author: ComputerElite

QuestAppVersionSwitcher/DownloadManager.cs

@@ -16,7 +16,6 @@ namespace QuestAppVersionSwitcher
 {
     public class DownloadManager : DownloadProgress
     {
-        
         public delegate void DownloadFinished(DownloadManager manager);
         public event DownloadFinished DownloadFinishedEvent;
         public event DownloadFinished DownloadErrorEvent;

QuestAppVersionSwitcher/FastFileDownloader.cs

@@ -50,10 +50,28 @@ public void DownloadFileInternal(string url, string savePath, int numConnections
                 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                 request.Method = "GET";
                 request.AllowAutoRedirect = true;
-        
-                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
-                long fileSize = response.ContentLength;
-                response.Close();
+                long fileSize = 0;
+                try
+                {
+                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
+                    fileSize = response.ContentLength;
+                    response.Close();
+                } catch (Exception e)
+                {
+                    Logger.Log("Error while GET request: " + e);
+                    error = true;
+                    OnDownloadError?.Invoke();
+                    return;
+                }
+
+                if (fileSize <= 0)
+                {
+                    
+                    Logger.Log("File size is " + fileSize + ". Thus we cannot download the file");
+                    error = true;
+                    OnDownloadError?.Invoke();
+                    return;
+                }
                 totalBytes = fileSize;
 
                 Logger.Log("File size: " + fileSize);
@@ -174,8 +192,6 @@ public void DownloadChunk(string url, string savePath, long startPos, long endPo
                     error = true;
                     OnDownloadError.Invoke();
                 }
-        
-                
             }
 
             public void Cancel()

QuestAppVersionSwitcher/GameDownloadManager.cs

@@ -52,7 +52,7 @@ public bool HasEntitlementFor(string id)
             {
                 Logger.Log("Requesting entitlements");
                 ViewerData<OculusUserWrapper> user = GraphQLClient.GetActiveEntitelments();
-                if(user == null || user.data == null || user.data.viewer == null || user.data.viewer.user == null || user.data.viewer.user.active_entitlements == null ||user.data.viewer.user.active_entitlements.nodes == null)
+                if(user == null || user.data == null || user.data.viewer == null || user.data.viewer.user == null || user.data.viewer.user.active_entitlements == null || user.data.viewer.user.active_entitlements.nodes == null)
                 {
                     throw new Exception("Fetching of active entitlements failed");
                 }

QuestAppVersionSwitcher/Properties/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="1.13.7" package="com.ComputerElite.questappversionswitcher" android:installLocation="preferExternal" android:versionCode="90">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="1.13.8" package="com.ComputerElite.questappversionswitcher" android:installLocation="preferExternal" android:versionCode="91">
 	<uses-sdk android:minSdkVersion="28" android:targetSdkVersion="32" />
 	<uses-permission android:name="oculus.permission.handtracking" />
 	<uses-permission android:name="com.oculus.permission.HAND_TRACKING" />

QuestAppVersionSwitcher/Properties/AssemblyInfo.cs

@@ -22,5 +22,5 @@
 //      Minor Version 
 //      Build Number
 //      Revision
-[assembly: AssemblyVersion("1.13.7.0")]
-[assembly: AssemblyFileVersion("1.13.7.0")]
+[assembly: AssemblyVersion("1.13.8.0")]
+[assembly: AssemblyFileVersion("1.13.8.0")]