Use form posts for transfer jobs

build-plugin.sh

@@ -2,7 +2,7 @@
 set -eu
 
 PLUGIN="u-navigator"
-VERSION="2026.06.23.r007"
+VERSION="2026.06.23.r008"
 PKG_DIR="packages"
 WORK_DIR=".plugin-build"
 PKG_NAME="${PLUGIN}-${VERSION}.tgz"

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

@@ -107,6 +107,13 @@ function unav_request_json(): array {
     return $data;
 }
 
+function unav_request_data(): array {
+    if (!empty($_POST)) {
+        return $_POST;
+    }
+    return unav_request_json();
+}
+
 function unav_copy_recursive(string $source, string $destination): void {
     if (is_link($source)) {
         unav_error(400, 'Copying symlinks is not allowed');

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

@@ -12,7 +12,7 @@ if (!in_array($action, ['move', 'copy'], true)) {
     unav_error(404, 'Unknown job action');
 }
 
-$data = unav_request_json();
+$data = unav_request_data();
 $source = unav_existing_path($data['source'] ?? null);
 $destination = unav_destination_path($data['destination'] ?? null);
 unav_guard_destination($source['path'], $destination['path']);

server/public/app.js

@@ -380,6 +380,7 @@ async function handleDrop(event, win, targetPath) {
     for (const file of files) {
       form.append('files', file, file.name);
     }
+    appendCsrf(form);
     await fetchChecked(apiUrl(`upload.php?path=${encodeURIComponent(targetPath)}`), {
       method: 'POST',
       body: form
@@ -390,10 +391,14 @@ async function handleDrop(event, win, targetPath) {
 
 async function createJob(type, source, destination) {
   recordDebug('job.create.request', { type, source, destination });
+  const body = new URLSearchParams();
+  body.set('source', source);
+  body.set('destination', destination);
+  appendCsrf(body);
   const job = await api(apiUrl(`job.php?action=${encodeURIComponent(type)}`), {
     method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' },
-    body: JSON.stringify({ source, destination })
+    body
   });
   recordDebug('job.create.response', job);
   state.jobs.set(job.id, job);
@@ -911,6 +916,24 @@ function apiUrl(path) {
   return `${API_BASE.replace(/\/$/, '')}/${path.replace(/^\//, '')}`;
 }
 
+function appendCsrf(body) {
+  const token = getCsrfToken();
+  if (!token) {
+    recordDebug('csrf.missing', {});
+    return;
+  }
+  body.append('csrf_token', token);
+  recordDebug('csrf.attached', { length: token.length });
+}
+
+function getCsrfToken() {
+  return window.csrf_token
+    || document.querySelector('input[name="csrf_token"]')?.value
+    || document.querySelector('meta[name="csrf_token"]')?.content
+    || document.querySelector('meta[name="csrf-token"]')?.content
+    || '';
+}
+
 function recordDebug(label, data = {}) {
   const item = {
     id: state.nextDebugId++,

u-navigator.plg

@@ -1,7 +1,7 @@
 <!DOCTYPE PLUGIN [
 <!ENTITY name "u-navigator">
 <!ENTITY author "michael">
-<!ENTITY version "2026.06.23.r007">
+<!ENTITY version "2026.06.23.r008">
 <!ENTITY package "&name;-&version;.tgz">
 ]>
 <PLUGIN name="&name;" author="&author;" version="&version;" pluginURL="https://git.casaderoll.de/michael/Unraid-Navigator/raw/branch/main/u-navigator.plg">
@@ -14,7 +14,7 @@
 
 <FILE Name="/boot/config/plugins/&name;/&package;">
 <URL>https://git.casaderoll.de/michael/Unraid-Navigator/raw/branch/main/packages/&package;</URL>
-<MD5>c9e2b618f5907747315c5f17e80b132f</MD5>
+<MD5>6a584ee446fc442c9a3c95877f15d1ae</MD5>
 </FILE>
 
 <FILE Run="/bin/bash">