fix: show error for duplicate folder name + add client-side validation

CreateDirectory now returns an error when the folder already exists instead of silently succeeding. JS validates folder name format (alphanumeric + underscore, max 32 chars) before sending the request. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-18 21:37:54 +01:00
parent 6b7ca566df
commit 30110d3fca
2 changed files with 13 additions and 1 deletions
@@ -393,6 +393,18 @@ function createDir() {
    var errEl = document.getElementById('browse-error');
    errEl.style.display = 'none';

+    // Client-side validation
+    if (!/^[a-zA-Z0-9_]+$/.test(name)) {
+        errEl.textContent = 'A mappanéven csak betűk, számok és alávonás megengedett.';
+        errEl.style.display = 'block';
+        return;
+    }
+    if (name.length > 32) {
+        errEl.textContent = 'A mappanév legfeljebb 32 karakter lehet.';
+        errEl.style.display = 'block';
+        return;
+    }
+
    fetch('/api/storage/attach/mkdir', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},