Initial Commit

vfs.php

@@ -0,0 +1,16 @@
+<?php
+require_once "config.php";
+
+// Converts virtual path like "/Documents/file.txt" → real path like "/home/surillya/Documents/file.txt"
+function resolve_path(string $virtualPath): string {
+    $virtualPath = str_replace('..', '', $virtualPath); // prevent traversal
+    return rtrim(REAL_ROOT, '/') . '/' . ltrim($virtualPath, '/');
+}
+
+// Converts real path like "/home/surillya/Documents/file.txt" → virtual path like "/Documents/file.txt"
+function virtualize_path(string $realPath): string {
+    if (str_starts_with($realPath, REAL_ROOT)) {
+        return '/' . ltrim(substr($realPath, strlen(REAL_ROOT)), '/');
+    }
+    return $realPath; // fallback, possibly invalid or external
+}