dida365 oauth 滴答清单

dida365.oauth.js

// https://blog.bowen.cool/posts/how-to-forward-sms-to-your-todo-list
const Koa = require("koa");

const Router = require("@koa/router");

const { PORT = 4001 } = process.env;
const client_id = "xxx";
const client_secret = "xxx";
const scope = "tasks:write";
const redirect_uri = `http://localhost:${PORT}/redirect`;

const app = new Koa();
// // app.use(bodyParser());

// // router
const router = new Router();

router.get("/", async (ctx, next) => {
  await next();

  ctx.body = `<a href="https://dida365.com/oauth/authorize?scope=tasks:write&client_id=${client_id}&state=state&redirect_uri=${encodeURIComponent(
    redirect_uri
  )}&response_type=code">点击登录</a>`;
  ctx.response.status = 200;
});

router.get("/redirect", async (ctx, next) => {
  await next();
  let code = ctx.query.code;
  let buff = Buffer.from(`${client_id}:${client_secret}`);
  let base64data = buff.toString("base64");
  const response = await fetch("https://dida365.com/oauth/token", {
    method: "POST",
    headers: {
      Authorization: `Basic ${base64data}`,
      "Content-Type": `application/x-www-form-urlencoded`,
    },
    body: Object.entries({
      code,
      grant_type: "authorization_code",
      scope,
      redirect_uri,
    })
      .map(([key, value]) => {
        return encodeURIComponent(key) + "=" + encodeURIComponent(value);
      })
      .join("&"),
  });
  const data = await response.text();
  ctx.body = data;
  ctx.response.status = response.status;
});

app.use(router.routes()).use(router.allowedMethods()).listen(PORT);
console.log(`listened http://localhost:${PORT}`);