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|
const KEYCLOAK_CONFIG = {
url: "https://auth.uuanqin.top/",
realm: "ABA Inc.",
clientId: "uuanqin_blog",
publicKey: "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7mhwT/kEx3PZZijlk05QbYeJ5VnfBaJZpUBSc/aMFuS3+8oR0C/sKJlxOdhuqS1e8TMBrbWaMDjQ/s6SlKHXxARlZCOBjYn5NN3bsj0KSGaq+6NvuX5dD55idHNkmX4YUsLC+9F7jKZrbPMPNAijKYdZY3rh7rBDowqfsMuXeP7tZC4pGNu3XkT09k4v/B3lgParMQJ3Gk3Cr09Xqjji92O1G/UoD86E130fPNazUyNcWTq572o9dp9nYB33DalBZBHP/SUnnlWVxEwXWleaF3bm9186tAbJr/B/5r9jfW8+pnzF+qo6dFKCWQU+GNpcqaxaMSh/zeP1SDCe8VH6nQIDAQAB"
};
const CACHE_TIMES = {
SECONDS_OF_UNAUTH_HINT: 86400,
SECONDS_OF_TOKEN_MIN_VALID: 30,
SECONDS_OF_REFRESH_THRESHOLD: 80,
MILLISECONDS_OF_REFRESH_INTERVAL: 30000,
MILLISECONDS_OF_LOADING_TIMEOUT: 5000
};
function finish() {
if (isLoaderEnded) return;
if (typeof window.endPreloader === 'function') {
window.endPreloader();
isLoaderEnded = true;
logger.info("认证流程结束，Loading 界面已关闭");
}
}
function updateLoggedInUI(payload) {
const container = document.getElementById('kcUserContainer');
const btnText = document.getElementById('kcBtnText');
const profileBtn = document.getElementById('kc-profile-btn');
const logoutBtn = document.getElementById('kc-logout-btn');
if (!container) return;
const rawName = payload.preferred_username || payload.name || 'User';
if (btnText) btnText.textContent = `欢迎，${truncateString(rawName, 10)}`;
container.classList.add('logged-in');
container.classList.remove('logged-out');
if (profileBtn) {
profileBtn.onclick = () => window.open(KEYCLOAK_ACCOUNT_URL, '_blank');
}
if (logoutBtn) {
logoutBtn.onclick = () => {
window.location.href = getKeycloakLogoutUrl();
};
}
}
function updateLoggedOutUI() {
const container = document.getElementById('kcUserContainer');
const btnText = document.getElementById('kcBtnText');
const defaultBtn = document.getElementById('kc-default-btn');
if (!container) return;
if (btnText) btnText.textContent = "Unified authentication login";
container.classList.add('logged-out');
container.classList.remove('logged-in');
if (defaultBtn) {
defaultBtn.onclick = () => {
localStorage.removeItem(STORAGE_KEYS.GUEST_DATA);
window.location.href = getKeycloakLoginUrl();
};
}
}
let keycloakInstance = null;
let isLoaderEnded = false;
let refreshTimer = null;
const KEYCLOAK_ACCOUNT_URL = `${KEYCLOAK_CONFIG.url}realms/${encodeURIComponent(KEYCLOAK_CONFIG.realm)}/account/`;
function getBaseRedirectUri() {
return window.location.origin + window.location.pathname;
}
function getKeycloakLoginUrl() {
const base = `${KEYCLOAK_CONFIG.url}realms/${encodeURIComponent(KEYCLOAK_CONFIG.realm)}`;
const clientId = encodeURIComponent(KEYCLOAK_CONFIG.clientId);
const redirectUri = encodeURIComponent(getBaseRedirectUri() + "?action=login");
return `${base}/protocol/openid-connect/auth?client_id=${clientId}&redirect_uri=${redirectUri}&response_type=code&scope=openid`;
}
function getKeycloakLogoutUrl() {
const base = `${KEYCLOAK_CONFIG.url}realms/${encodeURIComponent(KEYCLOAK_CONFIG.realm)}`;
const clientId = encodeURIComponent(KEYCLOAK_CONFIG.clientId);
const redirectUri = encodeURIComponent(getBaseRedirectUri() + "?action=logout");
return `${base}/protocol/openid-connect/logout?client_id=${clientId}&post_logout_redirect_uri=${redirectUri}`;
}
const STORAGE_KEYS = {
TOKEN: 'kc_token_data',
REFRESH_TOKEN: 'kc_refresh_token_data',
GUEST_DATA: 'kc_guest_cache'
};
const logger = {
info: (msg, data = '') => console.log(`%c[KC-INFO] ${msg}`, 'color: #007bff; font-weight: bold;', data),
success: (msg, data = '') => console.log(`%c[KC-SUCCESS] ${msg}`, 'color: #28a745; font-weight: bold;', data),
warn: (msg, data = '') => console.warn(`%c[KC-WARN] ${msg}`, 'color: #ffc107; font-weight: bold;', data),
error: (msg, err = '') => console.error(`%c[KC-ERROR] ${msg}`, 'color: #dc3545; font-weight: bold;', err)
};
function truncateString(str, num = 12) {
if (!str) return '';
return str.length > num ? str.slice(0, num) + "..." : str;
}
function pemToArrayBuffer(pem) {
const b64 = pem.replace(/[\r\n]/g, '').replace(/-----BEGIN PUBLIC KEY-----/, '').replace(/-----END PUBLIC KEY-----/, '');
const byteString = window.atob(b64);
const byteArray = new Uint8Array(byteString.length);
for (let i = 0; i < byteString.length; i++) byteArray[i] = byteString.charCodeAt(i);
return byteArray.buffer;
}
async function verifySignature(token) {
try {
const [headerB64, payloadB64, signatureB64] = token.split('.');
const cryptoKey = await window.crypto.subtle.importKey(
"spki", pemToArrayBuffer(KEYCLOAK_CONFIG.publicKey),
{name: "RSASSA-PKCS1-v1_5", hash: "SHA-256"}, false, ["verify"]
);
const data = new TextEncoder().encode(headerB64 + "." + payloadB64);
const signature = Uint8Array.from(atob(signatureB64.replace(/-/g, '+').replace(/_/g, '/')), c => c.charCodeAt(0));
const isValid = await window.crypto.subtle.verify("RSASSA-PKCS1-v1_5", cryptoKey, signature, data);
if (isValid) {
logger.success("Token 签名验证通过");
} else {
logger.warn("Token 签名验证失败：签名不匹配");
}
return isValid;
} catch (e) {
logger.error("Token 签名解析过程中出现异常", e);
return false;
}
}
document.addEventListener('DOMContentLoaded', async () => {
setTimeout(() => {
if (!isLoaderEnded) logger.warn("认证超时，强制 Finish ");
finish();
}, CACHE_TIMES.MILLISECONDS_OF_LOADING_TIMEOUT);
const urlParams = new URLSearchParams(window.location.search);
const action = urlParams.get('action');
const localToken = localStorage.getItem(STORAGE_KEYS.TOKEN);
const localRefreshToken = localStorage.getItem(STORAGE_KEYS.REFRESH_TOKEN);
const localGuestData = JSON.parse(localStorage.getItem(STORAGE_KEYS.GUEST_DATA) || '{}');
const isGuestMode = localGuestData.mode === 'logged_out' && localGuestData.expire > Date.now();
try {
if (action === 'login' || urlParams.has('code')) {
logger.info("检测到【登录回调】，启动完整初始化换取 Token");
await performFullInit(()=>{
cleanUrlParams();
finish();
});
return;
}
if (action === 'logout') {
logger.info("A logout callback has been detected. Local cache will be forcibly cleared.");
handleAuthFailure();
cleanUrlParams();
finish();
return;
}
if (localToken) {
logger.info("检测到本地 Token，尝试进入【极速通行通道】...");
const payload = JSON.parse(atob(localToken.split('.')[1].replace(/-/g, '+').replace(/_/g, '/')));
const timeLeft = payload.exp - Math.floor(Date.now() / 1000);
if (timeLeft > CACHE_TIMES.SECONDS_OF_TOKEN_MIN_VALID) {
logger.info(`Token 尚未过期 (剩余 ${timeLeft}s)，开始本地验签...`);
if (await verifySignature(localToken)) {
logger.success(`极速通行：Token 剩余 ${timeLeft}s`);
updateLoggedInUI(payload);
finish();
startSilentRefresh(localToken, localRefreshToken);
return;
}
}
}
if (isGuestMode) {
logger.info("Visitor mode: Skip detection");
updateLoggedOutUI();
finish();
return;
}
logger.info("无有效本地缓存，进入【服务器同步通道】(Check-SSO)...");
await performFullInit(finish);
} catch (err) {
handleAuthFailure();
finish();
}
});
async function performFullInit(doneCallback) {
keycloakInstance = new Keycloak(KEYCLOAK_CONFIG);
try {
const auth = await keycloakInstance.init({
onLoad: 'check-sso',
checkLoginIframe: false
});
if (auth && keycloakInstance.token) {
logger.success("Server synchronization successful: User has logged in");
handleAuthSuccess(keycloakInstance.token, keycloakInstance.refreshToken, keycloakInstance.tokenParsed);
setupTokenUpdater();
} else {
logger.info("Server synchronization successful: User not logged in");
handleAuthFailure();
}
} catch (e) {
logger.error("SDK 初始化失败");
handleAuthFailure();
} finally {
if (typeof doneCallback === 'function') doneCallback();
}
}
async function startSilentRefresh(existingToken, existingRefreshToken) {
const silentInstance = new Keycloak(KEYCLOAK_CONFIG);
try {
await silentInstance.init({
token: existingToken,
refreshToken: existingRefreshToken,
checkLoginIframe: false,
onLoad: undefined
});
keycloakInstance = silentInstance;
logger.info("The silent renewal instance has been mounted.");
setupTokenUpdater();
} catch (e) {
logger.warn("The silent instance startup failed. It has been reverted to the complete initialization.");
await performFullInit(() => {
});
}
}
function setupTokenUpdater() {
if (refreshTimer) {
clearTimeout(refreshTimer);
refreshTimer = null;
}
const checkToken = async () => {
if (!keycloakInstance) return;
try {
const expiresIn = keycloakInstance.tokenParsed.exp - Math.floor(Date.now() / 1000);
const refreshed = await keycloakInstance.updateToken(CACHE_TIMES.SECONDS_OF_REFRESH_THRESHOLD);
logger.info(`定时器检测是否执行续期。当前Token剩余时间：${expiresIn}s`)
if (refreshed) {
logger.success("Renewal successful: Local token has been updated");
localStorage.setItem(STORAGE_KEYS.TOKEN, keycloakInstance.token);
localStorage.setItem(STORAGE_KEYS.REFRESH_TOKEN, keycloakInstance.refreshToken);
}
refreshTimer = setTimeout(checkToken, CACHE_TIMES.MILLISECONDS_OF_REFRESH_INTERVAL);
} catch (e) {
logger.error("Token 续期过程彻底失败，会话可能已过期", e);
handleAuthFailure();
}
};
refreshTimer = setTimeout(checkToken, CACHE_TIMES.MILLISECONDS_OF_REFRESH_INTERVAL);
}
function handleAuthSuccess(token, refreshToken, payload) {
localStorage.setItem(STORAGE_KEYS.TOKEN, token);
localStorage.setItem(STORAGE_KEYS.REFRESH_TOKEN, refreshToken);
localStorage.removeItem(STORAGE_KEYS.GUEST_DATA);
updateLoggedInUI(payload);
}
function handleAuthFailure() {
const cache = {mode: 'logged_out', expire: Date.now() + CACHE_TIMES.SECONDS_OF_UNAUTH_HINT * 1000};
localStorage.setItem(STORAGE_KEYS.GUEST_DATA, JSON.stringify(cache));
localStorage.removeItem(STORAGE_KEYS.TOKEN);
localStorage.removeItem(STORAGE_KEYS.REFRESH_TOKEN);
sessionStorage.clear();
updateLoggedOutUI();
}
function cleanUrlParams(keys = ['code', 'state', 'action', 'session_state', 'iss']) {
const url = new URL(window.location.href);
let changed = false;
keys.forEach(key => {
if (url.searchParams.has(key)) {
url.searchParams.delete(key);
changed = true;
}
});
if (changed) {
const newUrl = url.pathname + url.search + url.hash;
window.history.replaceState({}, document.title, newUrl);
logger.info("URL 已净化，移除参数: " + keys.join(', '));
}
}
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