nx: check version

Signed-off-by: Varun Patil <radialapps@gmail.com>

lib/Controller/PageController.php

@@ -3,9 +3,11 @@
 namespace OCA\Memories\Controller;
 
 use OCA\Files\Event\LoadSidebar;
+use OCA\Memories\Service\BinExt;
 use OCA\Memories\Util;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
+use OCP\AppFramework\Http\Template\PublicTemplateResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IRequest;
@@ -40,9 +42,10 @@ class PageController extends Controller
      */
     public function main()
     {
-        $user = $this->userSession->getUser();
+        // Check native version if available
-        if (null === $user) {
+        $nativeVer = Util::callerNativeVersion();
-            return null;
+        if (null !== $nativeVer && version_compare($nativeVer, BinExt::NX_VER_MIN, '<')) {
+            return new PublicTemplateResponse($this->appName, 'native-old');
         }
 
         // Scripts

lib/Service/BinExt.php

@@ -10,6 +10,7 @@ class BinExt
 {
     public const EXIFTOOL_VER = '12.60';
     public const GOVOD_VER = '0.1.5';
+    public const NX_VER_MIN = '1.0';
 
     /** Copy a binary to temp dir for execution */
     public static function getTempBin(string $path, string $name, bool $copy = true): string

lib/Util.php

@@ -404,12 +404,26 @@ class Util
      */
     public static function callerIsNative(): bool
     {
-        $request = \OC::$server->get(\OCP\IRequest::class);
+        $userAgent = \OC::$server->get(\OCP\IRequest::class)->getHeader('User-Agent');
-        $userAgent = $request->getHeader('User-Agent');
 
         return false !== strpos($userAgent, 'MemoriesNative');
     }
 
+    /**
+     * Get the version of the native caller.
+     */
+    public static function callerNativeVersion(): ?string
+    {
+        $userAgent = \OC::$server->get(\OCP\IRequest::class)->getHeader('User-Agent');
+
+        $matches = [];
+        if (preg_match('/MemoriesNative\/([0-9.]+)/', $userAgent, $matches)) {
+            return $matches[1];
+        }
+
+        return null;
+    }
+
     /**
      * Kill all instances of a process by name.
      * Similar to pkill, which may not be available on all systems.

templates/native-old.php

@@ -0,0 +1,3 @@
+<div id="app-content" style="padding: 20px;">
+    Your native app version is too old! Please update to the latest version.
+</div>