38 lines
939 B
JavaScript
38 lines
939 B
JavaScript
|
import storage from "./storage";
|
|||
|
|
import { STOKEY_MSAUTH, URL_MICROSOFT_AUTH } from "../config";
|
|||
|
|
import { fetchData } from "./fetch";
|
|||
|
|
|
|||
|
|
const parseMSToken = (token) => JSON.parse(atob(token.split(".")[1])).exp;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 闭包缓存token，减少对storage查询
|
|||
|
|
* @returns
|
|||
|
|
*/
|
|||
|
|
const _msAuth = () => {
|
|||
|
|
let { token, exp } = {};
|
|||
|
|
|
|||
|
|
return async () => {
|
|||
|
|
// 查询内存缓存
|
|||
|
|
const now = Date.now();
|
|||
|
|
if (token && exp * 1000 > now + 1000) {
|
|||
|
|
return [token, exp];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 查询storage缓存
|
|||
|
|
const res = (await storage.getObj(STOKEY_MSAUTH)) || {};
|
|||
|
|
token = res.token;
|
|||
|
|
exp = res.exp;
|
|||
|
|
if (token && exp * 1000 > now + 1000) {
|
|||
|
|
return [token, exp];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 缓存没有或失效，查询接口
|
|||
|
|
token = await fetchData(URL_MICROSOFT_AUTH);
|
|||
|
|
exp = parseMSToken(token);
|
|||
|
|
await storage.setObj(STOKEY_MSAUTH, { token, exp });
|
|||
|
|
return [token, exp];
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
export const msAuth = _msAuth();
|