feat: custom Logto sign-in UI with Cameleer branding
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Replace Logto's default sign-in page with a custom React SPA that
matches the cameleer3-server login page using @cameleer/design-system.

- New Vite+React app at ui/sign-in/ with Experience API integration
- 4-step auth flow: init → verify password → identify → submit
- Design-system components: Card, Input, Button, FormField, Alert
- Same witty random subtitles as cameleer3-server LoginPage
- Dockerfile: add sign-in-frontend build stage, copy dist to image
- docker-compose: CUSTOM_UI_PATH on Logto, shared signinui volume
- SaaS entrypoint copies sign-in dist to shared volume on startup
- Add .gitattributes for LF line endings

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
hsiegeln
2026-04-06 11:43:22 +02:00
parent b1c2832245
commit df220bc5f3
17 changed files with 2352 additions and 1 deletions

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@cameleer:registry=https://gitea.siegeln.net/api/packages/cameleer/npm/

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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Sign in — cameleer3</title>
<link rel="icon" type="image/svg+xml" href="/platform/favicon.svg" />
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>

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{
"name": "cameleer-sign-in",
"private": true,
"version": "0.1.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc -b && vite build",
"preview": "vite preview"
},
"dependencies": {
"@cameleer/design-system": "0.1.31",
"react": "^19.0.0",
"react-dom": "^19.0.0"
},
"devDependencies": {
"@types/react": "^19.0.0",
"@types/react-dom": "^19.0.0",
"@vitejs/plugin-react": "^4.4.0",
"typescript": "^5.9.0",
"vite": "^6.3.0"
}
}

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import { SignInPage } from './SignInPage';
export function App() {
return <SignInPage />;
}

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.page {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: var(--bg-base);
}
.card {
width: 100%;
max-width: 400px;
padding: 32px;
}
.loginForm {
display: flex;
flex-direction: column;
align-items: center;
font-family: var(--font-body);
width: 100%;
}
.logo {
display: flex;
align-items: center;
gap: 10px;
margin-bottom: 8px;
font-size: 24px;
font-weight: 700;
color: var(--text-primary);
}
.logoImg {
width: 36px;
height: 36px;
}
.subtitle {
font-size: 13px;
color: var(--text-muted);
margin: 0 0 24px;
}
.error {
width: 100%;
margin-bottom: 16px;
}
.fields {
display: flex;
flex-direction: column;
gap: 14px;
width: 100%;
}
.submitButton {
width: 100%;
}

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import { type FormEvent, useMemo, useState } from 'react';
import { Card, Input, Button, Alert, FormField } from '@cameleer/design-system';
import { signIn } from './experience-api';
import styles from './SignInPage.module.css';
const SUBTITLES = [
"Prove you're not a mirage",
"Only authorized cameleers beyond this dune",
"Halt, traveler — state your business",
"The caravan doesn't move without credentials",
"No hitchhikers on this caravan",
"This oasis requires a password",
"Camels remember faces. We use passwords.",
"You shall not pass... without logging in",
"The desert is vast. Your session has expired.",
"Another day, another dune to authenticate",
"Papers, please. The caravan master is watching.",
"Trust, but verify — ancient cameleer proverb",
"Even the Silk Road had checkpoints",
"Your camel is parked outside. Now identify yourself.",
"One does not simply walk into the dashboard",
"The sands shift, but your password shouldn't",
"Unauthorized access? In this economy?",
"Welcome back, weary traveler",
"The dashboard awaits on the other side of this dune",
"Keep calm and authenticate",
"Who goes there? Friend or rogue exchange?",
"Access denied looks the same in every desert",
"May your routes be green and your tokens valid",
"Forgot your password? That's between you and the dunes.",
"No ticket, no caravan",
];
export function SignInPage() {
const subtitle = useMemo(() => SUBTITLES[Math.floor(Math.random() * SUBTITLES.length)], []);
const [username, setUsername] = useState('');
const [password, setPassword] = useState('');
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const handleSubmit = async (e: FormEvent) => {
e.preventDefault();
setError(null);
setLoading(true);
try {
const redirectTo = await signIn(username, password);
window.location.replace(redirectTo);
} catch (err) {
setError(err instanceof Error ? err.message : 'Sign-in failed');
setLoading(false);
}
};
return (
<div className={styles.page}>
<Card className={styles.card}>
<div className={styles.loginForm}>
<div className={styles.logo}>
<img src="/platform/favicon.svg" alt="" className={styles.logoImg} />
cameleer3
</div>
<p className={styles.subtitle}>{subtitle}</p>
{error && (
<div className={styles.error}>
<Alert variant="error">{error}</Alert>
</div>
)}
<form className={styles.fields} onSubmit={handleSubmit} aria-label="Sign in" noValidate>
<FormField label="Username" htmlFor="login-username">
<Input
id="login-username"
value={username}
onChange={(e) => setUsername(e.target.value)}
placeholder="Enter your username"
autoFocus
autoComplete="username"
disabled={loading}
/>
</FormField>
<FormField label="Password" htmlFor="login-password">
<Input
id="login-password"
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="••••••••"
autoComplete="current-password"
disabled={loading}
/>
</FormField>
<Button
variant="primary"
type="submit"
loading={loading}
disabled={loading || !username || !password}
className={styles.submitButton}
>
Sign in
</Button>
</form>
</div>
</Card>
</div>
);
}

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const BASE = '/api/experience';
async function request(method: string, path: string, body?: unknown): Promise<Response> {
const res = await fetch(`${BASE}${path}`, {
method,
headers: body ? { 'Content-Type': 'application/json' } : undefined,
body: body ? JSON.stringify(body) : undefined,
credentials: 'same-origin',
});
return res;
}
export async function initInteraction(): Promise<void> {
const res = await request('PUT', '', { interactionEvent: 'SignIn' });
if (!res.ok) {
const err = await res.json().catch(() => ({}));
throw new Error(err.message || `Failed to initialize sign-in (${res.status})`);
}
}
export async function verifyPassword(
username: string,
password: string
): Promise<string> {
const res = await request('POST', '/verification/password', {
identifier: { type: 'username', value: username },
password,
});
if (!res.ok) {
const err = await res.json().catch(() => ({}));
if (res.status === 422) {
throw new Error('Invalid username or password');
}
throw new Error(err.message || `Authentication failed (${res.status})`);
}
const data = await res.json();
return data.verificationId;
}
export async function identifyUser(verificationId: string): Promise<void> {
const res = await request('POST', '/identification', { verificationId });
if (!res.ok) {
const err = await res.json().catch(() => ({}));
throw new Error(err.message || `Identification failed (${res.status})`);
}
}
export async function submitInteraction(): Promise<string> {
const res = await request('POST', '/submit');
if (!res.ok) {
const err = await res.json().catch(() => ({}));
throw new Error(err.message || `Submit failed (${res.status})`);
}
const data = await res.json();
return data.redirectTo;
}
export async function signIn(username: string, password: string): Promise<string> {
await initInteraction();
const verificationId = await verifyPassword(username, password);
await identifyUser(verificationId);
return submitInteraction();
}

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import { StrictMode } from 'react';
import { createRoot } from 'react-dom/client';
import '@cameleer/design-system/style.css';
import { App } from './App';
createRoot(document.getElementById('root')!).render(
<StrictMode>
<App />
</StrictMode>,
);

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/// <reference types="vite/client" />
declare module '*.module.css' {
const classes: { readonly [key: string]: string };
export default classes;
}

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{
"compilerOptions": {
"target": "ES2020",
"useDefineForClassFields": true,
"lib": ["ES2020", "DOM", "DOM.Iterable"],
"module": "ESNext",
"skipLibCheck": true,
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"isolatedModules": true,
"moduleDetection": "force",
"noEmit": true,
"jsx": "react-jsx",
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"noFallthroughCasesInSwitch": true,
"noUncheckedSideEffectImports": true
},
"include": ["src"]
}

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import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
export default defineConfig({
plugins: [react()],
build: {
outDir: 'dist',
},
});