Show permissions in properties

plugin-root/usr/local/emhttp/plugins/u-navigator/api/list.php

@@ -13,12 +13,20 @@ foreach (scandir($resolved['path']) ?: [] as $name) {
     }
     $full = $resolved['path'] . '/' . $name;
     $type = is_link($full) ? 'symlink' : (is_dir($full) ? 'directory' : (is_file($full) ? 'file' : 'other'));
+    $ownerId = fileowner($full);
+    $groupId = filegroup($full);
+    $perms = fileperms($full);
     $entries[] = [
         'name' => $name,
         'path' => $full,
         'type' => $type,
         'size' => is_file($full) ? filesize($full) : 0,
         'modifiedAt' => date(DATE_ATOM, filemtime($full) ?: time()),
+        'owner' => unav_owner_name($ownerId),
+        'ownerId' => $ownerId,
+        'group' => unav_group_name($groupId),
+        'groupId' => $groupId,
+        'permissions' => $perms === false ? null : substr(sprintf('%o', $perms), -4),
     ];
 }
 
@@ -32,3 +40,29 @@ unav_json([
     'path' => $resolved['path'],
     'entries' => $entries,
 ]);
+
+function unav_owner_name($uid): ?string {
+    if ($uid === false) {
+        return null;
+    }
+    if (function_exists('posix_getpwuid')) {
+        $info = posix_getpwuid($uid);
+        if (is_array($info) && isset($info['name'])) {
+            return $info['name'];
+        }
+    }
+    return (string)$uid;
+}
+
+function unav_group_name($gid): ?string {
+    if ($gid === false) {
+        return null;
+    }
+    if (function_exists('posix_getgrgid')) {
+        $info = posix_getgrgid($gid);
+        if (is_array($info) && isset($info['name'])) {
+            return $info['name'];
+        }
+    }
+    return (string)$gid;
+}