Files
lpra/internal/server/web/templates/login.html
T

71 lines
3.5 KiB
HTML

<!doctype html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Вход - LPRA</title>
<link rel="stylesheet" href="{{asset "app.css"}}">
</head>
<body>
<div class="center">
<div class="card">
<h1>Вход в панель</h1>
{{if .Error}}<div class="err" id="err">{{.Error}}</div>{{else}}<div class="err" id="err" hidden></div>{{end}}
<form method="post" action="/login">
<label for="u">Имя пользователя</label>
<input type="text" id="u" name="username" value="{{.Username}}" autocomplete="username webauthn" autofocus required>
<label for="pw">Пароль</label>
<input type="password" id="pw" name="password" autocomplete="current-password" required>
<div style="margin-top:18px"><button type="submit" style="width:100%">Войти</button></div>
</form>
<div class="or" id="or" hidden>или</div>
<button type="button" class="keybtn btn ghost" id="keylogin" hidden><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="7.5" cy="15.5" r="4.5"/><path d="m21 2-9.6 9.6M15.5 7.5l3 3L22 7l-3-3"/></svg>Войти с ключом доступа</button>
</div>
</div>
<script>
// Sign in with a passkey: with the name typed, its keys are offered; without
// it, the device offers the keys it keeps for this site.
(function () {
if (!(window.PublicKeyCredential && navigator.credentials && window.isSecureContext)) return;
var btn = document.getElementById('keylogin'), err = document.getElementById('err');
btn.hidden = false;
document.getElementById('or').hidden = false;
var enc = function (buf) {
var s = '', b = new Uint8Array(buf);
for (var i = 0; i < b.length; i++) s += String.fromCharCode(b[i]);
return btoa(s).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
};
var dec = function (str) {
var s = atob(str.replace(/-/g, '+').replace(/_/g, '/') + '==='.slice((str.length + 3) % 4)), b = new Uint8Array(s.length);
for (var i = 0; i < s.length; i++) b[i] = s.charCodeAt(i);
return b.buffer;
};
function show(t) { err.textContent = t; err.hidden = !t; }
btn.onclick = function () {
btn.disabled = true;
show('');
fetch('/api/login/key/begin', {method: 'POST', headers: {'Content-Type': 'application/json'},
body: JSON.stringify({username: document.getElementById('u').value})})
.then(function (r) { return r.json(); })
.then(function (r) {
if (!r.ok) throw new Error(r.error);
var o = r.options;
o.challenge = dec(o.challenge);
o.allowCredentials.forEach(function (c) { c.id = dec(c.id); });
return navigator.credentials.get({publicKey: o});
})
.then(function (c) {
return fetch('/api/login/key/finish', {method: 'POST', headers: {'Content-Type': 'application/json'},
body: JSON.stringify({id: enc(c.rawId), clientDataJSON: enc(c.response.clientDataJSON),
authenticatorData: enc(c.response.authenticatorData), signature: enc(c.response.signature)})})
.then(function (r) { return r.json(); });
})
.then(function (r) { if (!r.ok) throw new Error(r.error); location.href = '/'; })
.catch(function (e) { show(e && e.name === 'NotAllowedError' ? 'Вход по ключу отменён.' : (e && e.message) || 'Не вышло.'); })
.then(function () { btn.disabled = false; });
};
})();
</script>
</body>
</html>