automated framework update enhancement

Oqtane.Server/Controllers/InstallationController.cs

@@ -279,7 +279,7 @@ namespace Oqtane.Controllers
         public GenericResponse Upgrade()
         {
             var response = new GenericResponse { Success = true, Message = "" };
-            InstallationManager.InstallPackages("Framework", true);
+            InstallationManager.UpgradeFramework();
             return response;
         }
     }

Oqtane.Server/Infrastructure/IInstallationManager.cs

@@ -3,6 +3,7 @@
     public interface IInstallationManager
     {
         void InstallPackages(string Folders, bool Restart);
+        void UpgradeFramework();
         void RestartApplication();
     }
 }

Oqtane.Server/Infrastructure/InstallationManager.cs

@@ -6,6 +6,7 @@ using Microsoft.AspNetCore.Hosting;
 using System.Xml;
 using Oqtane.Shared;
 using System;
+using System.Diagnostics;
 
 namespace Oqtane.Infrastructure
 {
@@ -110,6 +111,98 @@ namespace Oqtane.Infrastructure
             }
         }
 
+        public void UpgradeFramework()
+        {
+            string folder = Path.Combine(environment.WebRootPath, "Framework");
+            if (Directory.Exists(folder))
+            {
+                string upgradepackage = "";
+
+                // iterate through packages
+                foreach (string packagename in Directory.GetFiles(folder, "Oqtane.Framework.*.nupkg"))
+                {
+                    using (ZipArchive archive = ZipFile.OpenRead(packagename))
+                    {
+                        string frameworkversion = "";
+                        // locate nuspec
+                        foreach (ZipArchiveEntry entry in archive.Entries)
+                        {
+                            if (entry.FullName.ToLower().EndsWith(".nuspec"))
+                            {
+                                // open nuspec
+                                XmlTextReader reader = new XmlTextReader(entry.Open());
+                                reader.Namespaces = false; // remove namespace
+                                XmlDocument doc = new XmlDocument();
+                                doc.Load(reader);
+                                // get framework version
+                                XmlNode node = doc.SelectSingleNode("/package/metadata/version");
+                                if (node != null)
+                                {
+                                    frameworkversion = node.InnerText;
+                                }
+                                reader.Close();
+                            }
+                        }
+
+                        // ensure package version is higher than current framework
+                        if (frameworkversion != "" && Version.Parse(Constants.Version).CompareTo(Version.Parse(frameworkversion)) < 0)
+                        {
+                            upgradepackage = packagename;
+                        }
+                        else
+                        {
+                            File.Delete(packagename);
+                        }
+                    }
+                }
+
+                if (upgradepackage != "")
+                {
+                    FinishUpgrade(upgradepackage);
+                }
+            }
+        }
+
+        private void FinishUpgrade(string packagename)
+        {
+            string folder = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
+
+            // check if upgrade application exists
+            if (File.Exists(Path.Combine(folder, "Oqtane.Upgrade.exe")))
+            {
+                // unzip package
+                using (ZipArchive archive = ZipFile.OpenRead(packagename))
+                {
+                    foreach (ZipArchiveEntry entry in archive.Entries)
+                    {
+                        string filename = Path.GetFileName(entry.FullName);
+                        if (Path.GetExtension(filename) == ".dll")
+                        {
+                            entry.ExtractToFile(Path.Combine(Path.Combine(environment.WebRootPath, "Framework"), filename), true);
+                        }
+                    }
+                }
+
+                // delete package
+                File.Delete(packagename);
+
+                // run upgrade application
+                var process = new Process();
+                process.StartInfo.FileName = Path.Combine(folder, "Oqtane.Upgrade.exe");
+                process.StartInfo.Arguments = "";
+                process.StartInfo.ErrorDialog = false;
+                process.StartInfo.UseShellExecute = false;
+                process.StartInfo.CreateNoWindow = true;
+                process.StartInfo.RedirectStandardOutput = false;
+                process.StartInfo.RedirectStandardError = false;
+                process.Start();
+                process.Dispose();
+
+                // stop application so upgrade application can proceed
+                RestartApplication();
+            }
+        }
+
         public void RestartApplication()
         {
             HostApplicationLifetime.StopApplication();

Oqtane.Server/app_offline.bak

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width">
+    <title>Oqtane</title>
+    <base href="/" />
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+</head>
+<body>
+    <div>
+	<br /><br /><h1 align="center">Please Wait... Upgrade In Progress....</h1>
+        <img src="https://www.oqtane.org/Portals/0/oqtane.png" style="position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);" />
+    </div>
+</body>
+</html>
+