Files
paskia/examples/index.html
T
2025-12-05 13:17:52 +00:00

167 lines
6.8 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Paskia - Dev Mode</title>
<style>
:root {
color-scheme: light dark; /* Automatic themes by browser */
}
/* Login/reauth/forbidden dialog will appear in this iframe */
#auth-iframe {
/* Full viewport overlay */
border: none;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 9999;
/* Optional transparent background with optional blur backdrop */
color-scheme: auto;
background: transparent;
backdrop-filter: blur(.1rem) brightness(0.7);
-webkit-backdrop-filter: blur(.1rem) brightness(0.7);
}
/* Prevent background scroll when auth-iframe is shown */
body:has(#auth-iframe) {
overflow: hidden;
}
</style>
</head>
<body>
<div class="container">
<header>
<h1>🔐 Paskia</h1>
<p class="subtitle">Development server demonstration page.</p>
</header>
<div class="content">
<div class="section">
<h2>Management Site</h2>
<button onclick="window.open('/auth/', '_blank')">👤 User Profile</button>
<button onclick="window.open('/auth/admin/', '_blank')">⚙️ Admin Panel</button>
</div>
<div class="section">
<h2>API Mode (not leaving the page)</h2>
<p>For SPAs and fetch() calls - shows auth in an iframe overlay:</p>
<button onclick="apiCall('/auth/api/user-info', 'POST')">📋 Get User Info</button>
<button onclick="apiCall('/auth/api/forward?max_age=10s')">🔄 Reauth (max_age=10s)</button>
<button onclick="apiCall('/auth/api/forward?perm=auth:admin')">🛡️ Admin Only</button>
<button onclick="logout()">🚪 Logout</button>
</div>
<div class="section">
<h2>Browser Mode (full page)</h2>
<p>Block access to otherwise open site - intended for forward-auth mechanism (Caddy, Nxinx):</p>
<button onclick="browserNav('/auth/api/forward')">🔐 Basic Auth</button>
<button onclick="browserNav('/auth/api/forward?max_age=10s')">🔄 Reauth (max_age=10s)</button>
<button onclick="browserNav('/auth/api/forward?perm=auth:admin')">🛡️ Admin Only</button>
</div>
<pre id="output">Click a button to test...</pre>
</div>
</div>
<script>
const output = document.getElementById('output');
let pendingCall = null; // Stores the API call to retry after auth
// The auth iframe posts messages when authentication completes or is cancelled.
// Message types: 'auth-success' (proceed), 'auth-back' (user cancelled)
// Errors during auth stay in the dialog allowing retry, no message is sent.
window.addEventListener('message', (event) => {
const { type, message } = event.data || {};
if (type === 'auth-success') {
log('✓ Authentication successful, retrying...');
hideAuthIframe();
// Retry the original API call that triggered authentication
if (pendingCall) {
const { url, method } = pendingCall;
pendingCall = null;
apiCall(url, method);
}
} else if (type === 'auth-back') {
log(message || 'Authentication cancelled');
hideAuthIframe();
pendingCall = null;
}
});
// Make an API call, handling 401/403 by showing the auth iframe.
// The server returns JSON with auth.iframe URL when authentication is needed.
async function apiCall(url, method = 'GET') {
log(`${method} ${url}...`);
const response = await fetch(url, { method, credentials: 'include' });
// Server returns 401 (login/reauth) or 403 (missing permissions)
// with a JSON body containing the iframe URL for authentication
if (response.status === 401 || response.status === 403) {
const data = await response.json();
if (data.auth?.iframe) {
const mode = data.auth.mode; // 'login' or 'reauth'
log(`${mode === 'reauth' ? 'Re-authentication' : 'Authentication'} required...`);
pendingCall = { url, method };
showAuthIframe(data.auth.iframe);
return;
}
log(`Error: ${response.status} - ${data.detail}`);
return;
}
// Forward endpoint returns 204 on success (Caddy then adds Remote-* headers)
if (response.status === 204) {
log('✓ Success (204 No Content)\nHeaders:\n' +
[...response.headers].filter(([k]) => k.startsWith('remote-'))
.map(([k, v]) => ` ${k}: ${v}`).join('\n'));
return;
}
if (!response.ok) {
log(`Error: ${response.status} ${response.statusText}`);
return;
}
const data = await response.json();
log('✓ Response:\n' + JSON.stringify(data, null, 2));
}
async function logout() {
await fetch('/auth/api/logout', { method: 'POST', credentials: 'include' });
log('Logged out');
}
// Create fullscreen iframe for authentication.
// The 'allow' attribute enables WebAuthn (passkey) API inside the iframe.
function showAuthIframe(url) {
hideAuthIframe();
const iframe = document.createElement('iframe');
iframe.id = 'auth-iframe';
iframe.src = url;
document.body.appendChild(iframe);
log("Authentication dialog open...")
}
function hideAuthIframe() {
document.getElementById('auth-iframe')?.remove();
}
function log(msg) {
output.textContent = msg;
}
// Browser mode: open the forward endpoint directly in a new window.
// When Accept: text/html, the server redirects to the login page if needed,
// then back to the original URL after authentication.
function browserNav(url) {
log('Opening in new window...\nIf not authenticated, you\'ll see the login page.\nAfter auth, you\'ll see a 204 response (blank page = success).');
window.open(url, '_blank');
}
</script>
</body>
</html>