oops revert

csharp/App/Backend/Controller.cs

@@ -420,12 +420,12 @@ public class Controller : ControllerBase
     }
     
     [HttpDelete(nameof(DeleteInstallation))]
-    public ActionResult DeleteInstallation(Int64 installationId, Token authToken)
+    public async Task<ActionResult> DeleteInstallation(Int64 installationId, Token authToken)
     {
         var session      = Db.GetSession(authToken);
         var installation = Db.GetInstallationById(installationId);
 
-        return session.Delete(installation)
+        return await session.Delete(installation)
              ? Ok()  
              : Unauthorized();
     }

csharp/App/Backend/DataTypes/Methods/Session.cs

@@ -135,7 +135,7 @@ public static class SessionMethods
                    .Apply(Db.Update); 
     }
 
-    public static Boolean Delete(this Session? session, Installation? installation)
+    public static async Task<Boolean> Delete(this Session? session, Installation? installation)
     {
         var user = session?.User;
         
@@ -143,7 +143,8 @@ public static class SessionMethods
             && installation is not null
             && user.HasWriteAccess
             && user.HasAccessTo(installation)
-            && Db.Delete(installation);
+            && Db.Delete(installation)
+            && await installation.DeleteBucket();
     }
     
     public static Boolean Create(this Session? session, User newUser)

csharp/App/Backend/S3/S3Cmd.cs

@@ -14,8 +14,8 @@ public class S3Cmd
     private const String? S3CmdPath    = "Resources/s3cmd.py";
     private const String S3Prefix = "s3://";
 
-    public String Key { get; init; } = S3Access.ReadWrite.Key;
+    public String Key { get; init; }
-    public String Secret { get; init; } = S3Access.ReadWrite.Secret;
+    public String Secret { get; init; }
     public String Region { get; init; } = "sos-ch-dk-2.exo.io";
     
     // private String?[] DefaultArgs { get; }