65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
(() => {
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const form = document.getElementById("client-auth");
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const message = document.getElementById("client-auth-status");
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const button = form.querySelector("button");
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let accessToken;
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let refreshToken;
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let accessExpiry = 0;
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async function requestToken(operation, data) {
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const response = await fetch("/api/v1/auth/" + operation, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(data),
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});
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const result = await response.json();
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if (!response.ok || result.code !== 0) throw new Error(result.message || "鉴权失败");
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accessToken = result.data.access_token;
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accessExpiry = Date.now() + result.data.expires_in * 1000;
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return result.data;
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}
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form.addEventListener("submit", async (event) => {
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event.preventDefault();
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button.disabled = true;
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const data = new FormData(form);
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try {
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const result = await requestToken("login", {
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username: data.get("username"),
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password: data.get("password"),
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});
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refreshToken = result.refresh_token;
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message.textContent = "已登录。访问令牌过期时会自动刷新。";
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} catch (error) {
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message.textContent = error.message;
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} finally {
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form.elements.namedItem("password").value = "";
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button.disabled = false;
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}
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});
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async function refresh() {
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if (!refreshToken) throw new Error("请先登录，再提交图片。");
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try {
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await requestToken("refresh", { refresh_token: refreshToken });
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} catch (error) {
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accessToken = refreshToken = undefined;
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message.textContent = "请重新登录。";
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throw error;
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}
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}
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window.hairClientFetch = async (path, options) => {
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if (Date.now() >= accessExpiry || !accessToken) await refresh();
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const send = () => {
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const headers = new Headers(options.headers);
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headers.set("Authorization", "Bearer " + accessToken);
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return fetch(path, { ...options, headers });
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};
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const response = await send();
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if (response.status !== 401) return response;
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await refresh();
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return send();
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};
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})();
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