Admin Router Access

Magesail/Plugin/App/Request/AdminFrontNameFromPathPlugin.php

@@ -0,0 +1,42 @@
+<?php
+declare(strict_types=1);
+
+namespace MageSail\Magesail\Plugin\App\Request;
+
+use Magento\Framework\App\Request\Http;
+use MageSail\Magesail\Model\AdminPathDetector;
+
+/**
+ * {@see Http::getFrontName()} only uses the first path segment. With store code in URL, paths look like
+ * /magesail_tunnel/admin_xxx/… so Magento picks the wrong area. If any path segment is the configured admin
+ * front name, use it as the area front name.
+ */
+class AdminFrontNameFromPathPlugin
+{
+    public function __construct(
+        private readonly AdminPathDetector $adminPathDetector
+    ) {
+    }
+
+    public function aroundGetFrontName(Http $subject, callable $proceed): ?string
+    {
+        $adminFront = $this->adminPathDetector->getConfiguredAdminFrontName();
+        if ($adminFront === '') {
+            return $proceed();
+        }
+        $path = trim($subject->getPathInfo(), '/');
+        if ($path === '') {
+            return $proceed();
+        }
+        foreach (explode('/', $path) as $part) {
+            $p = strtolower($part);
+            if ($p === '' || $p === 'index.php' || $p === 'pub') {
+                continue;
+            }
+            if (strcasecmp($part, $adminFront) === 0) {
+                return $adminFront;
+            }
+        }
+        return $proceed();
+    }
+}