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fix: add Cache-Control to /qr, re-fetch QR on each popover open

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Cache-Control: no-store prevents stale QR after LAN IP change.
Remove qrLoaded flag so the QR always reflects the current IP.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Razvan Dimescu
2026-04-10 20:24:11 +03:00
parent a2a8fb8c59
commit c1a988bfe1
2 changed files with 5 additions and 4 deletions
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4
site/dashboard.html
View File

@@ -797,13 +797,12 @@ function formatTime(epoch) {
return d.toLocaleTimeString([], { hour12: false }); return d.toLocaleTimeString([], { hour12: false });
} }
let qrLoaded = false;
let mobilePort = 8765; let mobilePort = 8765;
function togglePhoneSetup() { function togglePhoneSetup() {
const pop = document.getElementById('phoneSetupPopover'); const pop = document.getElementById('phoneSetupPopover');
const isOpen = pop.style.display !== 'none'; const isOpen = pop.style.display !== 'none';
pop.style.display = isOpen ? 'none' : 'block'; pop.style.display = isOpen ? 'none' : 'block';
if (!isOpen && !qrLoaded) { if (!isOpen) {
if (window.innerWidth <= 700) { if (window.innerWidth <= 700) {
document.getElementById('qrContainer').style.display = 'none'; document.getElementById('qrContainer').style.display = 'none';
const linkEl = document.getElementById('phoneSetupLink'); const linkEl = document.getElementById('phoneSetupLink');
@@ -813,7 +812,6 @@ function togglePhoneSetup() {
} else { } else {
fetch(API + '/qr').then(r => r.text()).then(svg => { fetch(API + '/qr').then(r => r.text()).then(svg => {
document.getElementById('qrContainer').innerHTML = svg; document.getElementById('qrContainer').innerHTML = svg;
qrLoaded = true;
}).catch(() => { }).catch(() => {
document.getElementById('qrContainer').innerHTML = '<div class="empty-state">Could not load QR</div>'; document.getElementById('qrContainer').innerHTML = '<div class="empty-state">Could not load QR</div>';
}); });

5
src/api.rs
View File

@@ -956,7 +956,10 @@ async fn serve_qr(State(ctx): State<Arc<ServerCtx>>) -> Result<impl IntoResponse
.dark_color(qrcode::render::svg::Color("#2c2418")) .dark_color(qrcode::render::svg::Color("#2c2418"))
.light_color(qrcode::render::svg::Color("#faf7f2")) .light_color(qrcode::render::svg::Color("#faf7f2"))
.build(); .build();
Ok(([(header::CONTENT_TYPE, "image/svg+xml")], svg)) Ok(([
(header::CONTENT_TYPE, "image/svg+xml"),
(header::CACHE_CONTROL, "no-store"),
], svg))
} }
async fn serve_fonts_css() -> impl IntoResponse { async fn serve_fonts_css() -> impl IntoResponse {