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keycloak-pattern/frontend/index.html

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<!doctype html>
<html lang="ko">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="referrer" content="no-referrer">
<title>AP1 · SPA Direct + Resource Server</title>
<style>
:root {
color-scheme: light dark;
font-family: system-ui, sans-serif;
}
body {
max-width: 56rem;
margin: 6vh auto;
padding: 0 1.5rem;
line-height: 1.55;
}
button {
margin: 0 0.5rem 0.5rem 0;
padding: 0.6rem 0.9rem;
cursor: pointer;
}
code, pre {
border-radius: 0.35rem;
background: color-mix(in srgb, CanvasText 9%, Canvas);
}
code {
padding: 0.1rem 0.3rem;
}
pre {
min-height: 8rem;
padding: 1rem;
overflow: auto;
white-space: pre-wrap;
}
.notice {
border-left: 0.3rem solid #e09f3e;
padding-left: 1rem;
}
</style>
</head>
<body>
<main>
<h1>AP1 · SPA Direct + Resource Server</h1>
<p>
바닐라 JavaScript SPA가 <code>spa-public</code> client로 Authorization
Code + PKCE를 수행하고, access token을 직접 Spring Resource Server에
전달합니다.
</p>
<p class="notice">
access/refresh token은 메모리에만 존재합니다. 새로고침하면 사라지는 것이
이 패턴의 의도된 보안 경계입니다.
</p>
<section>
<button id="login" type="button">Keycloak 로그인</button>
<button id="call-api" type="button" disabled>보호 API 호출</button>
<button id="pkce-demo" type="button">수동 PKCE 생성</button>
<button id="logout" type="button" disabled>로그아웃</button>
</section>
<p id="session-state" data-authenticated="false">세션 확인 중…</p>
<pre id="result" aria-live="polite"></pre>
</main>
<script type="module" src="/app.js"></script>
</body>
</html>