Initial commit: CloudOps infrastructure platform

docker-compose/mautic-setup/mautic-backup-files/docroot/app/middlewares/VersionCheckMiddleware.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Mautic\Middleware;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+class VersionCheckMiddleware implements HttpKernelInterface, PrioritizedMiddlewareInterface
+{
+    public const PRIORITY = 10;
+
+    /**
+     * @var HttpKernelInterface
+     */
+    protected $app;
+
+    /**
+     * @var string
+     */
+    private $minimumPHPVersion;
+
+    /**
+     * @var string
+     */
+    private $maximumPHPVersion;
+
+    public function __construct(HttpKernelInterface $app)
+    {
+        $this->app = $app;
+
+        $metadata = json_decode(
+            file_get_contents(__DIR__.'/../release_metadata.json'),
+            true
+        );
+
+        $this->minimumPHPVersion = $metadata['minimum_php_version'];
+        $this->maximumPHPVersion = $metadata['maximum_php_version'];
+    }
+
+    /**
+     * Check Minimum / Maximum PHP versions.
+     *
+     * {@inheritdoc}
+     */
+    public function handle(Request $request, $type = self::MAIN_REQUEST, $catch = true): Response
+    {
+        // Are we running the minimum version?
+        if (version_compare(PHP_VERSION, $this->minimumPHPVersion, 'lt')) {
+            return new Response('Your server does not meet the minimum PHP requirements. Mautic requires PHP version '.$this->minimumPHPVersion.' while your server has '.PHP_VERSION.'. Please contact your host to update your PHP installation.', 500);
+        }
+
+        // Are we running a version newer than what Mautic supports?
+        if (version_compare(PHP_VERSION, $this->maximumPHPVersion, 'gt')) {
+            return new Response('Mautic does not support PHP version '.PHP_VERSION.' at this time. To use Mautic, you will need to downgrade to an earlier version.', 500);
+        }
+
+        return $this->app->handle($request, $type, $catch);
+    }
+
+    public function getPriority()
+    {
+        return self::PRIORITY;
+    }
+}