v0.23.0 — CSRF protection on all browser-facing POST endpoints

Controller:
- internal/web/csrf.go (new): CsrfProtect middleware, csrfToken/csrfField helpers
- auth.go: per-session CSRF token (csrfToken field, csrfTokenForSession method)
- server.go: executeTemplate wrapper auto-injects CSRFField+CSRFToken
- main.go: wire CsrfProtect on all routes; bump to v0.23.0
- handlers.go, storage_handlers.go, handler_restore.go: executeTemplate
- All templates: CSRFField in forms, meta csrf-token, csrfHeaders() JS helper,
  fetch calls updated; sendBeacon→fetch+keepalive in storage_attach.html

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-21 16:38:56 +01:00
parent ade01470d0
commit 02650e3202
20 changed files with 1143 additions and 75 deletions
@@ -6,6 +6,8 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{.Title}} — Felhom.eu</title>
<link rel="stylesheet" href="/static/style.css">
<meta name="csrf-token" content="{{.CSRFToken}}">
<script>function csrfHeaders(){var el=document.querySelector('meta[name="csrf-token"]');return el?{'X-CSRF-Token':el.content}:{};}</script>
</head>
<body>
<nav class="sidebar">
@@ -75,7 +77,7 @@
try {
const resp = await fetch('/api/sync', {
method: 'POST',
headers: {'Content-Type': 'application/json'}
headers: Object.assign({'Content-Type': 'application/json'}, csrfHeaders())
});
const data = await resp.json();
if (toast) {
@@ -108,7 +110,7 @@
try {
const resp = await fetch('/api/stacks/' + name + '/' + action, {
method: 'POST',
headers: {'Content-Type': 'application/json'}
headers: Object.assign({'Content-Type': 'application/json'}, csrfHeaders())
});
const data = await resp.json();
if (!data.ok) {
@@ -174,7 +176,7 @@
try {
var resp = await fetch('/api/stacks/' + name, {
method: 'DELETE',
headers: {'Content-Type': 'application/json'},
headers: Object.assign({'Content-Type': 'application/json'}, csrfHeaders()),
body: JSON.stringify({remove_hdd_data: removeHDD})
});
var data = await resp.json();
@@ -286,7 +288,7 @@
try {
var resp = await fetch('/api/stacks/' + name + '/remove', {
method: 'POST',
headers: {'Content-Type': 'application/json'},
headers: Object.assign({'Content-Type': 'application/json'}, csrfHeaders()),
body: JSON.stringify({remove_hdd_data: removeHDD, remove_backups: removeBackups})
});
var data = await resp.json();