58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
import { openidConfig } from './config.js';
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export const isWechat = () => {
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const ua = navigator.userAgent.toLowerCase();
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return /micromessenger/i.test(ua);
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};
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export const getOpenid = async () => {
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const url = new URL(window.location.href);
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const state = url.searchParams.get('state');
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const code = url.searchParams.get('code');
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const orgin = url.origin;
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const res = await fetch(`${orgin}/api/router?path=wx&key=mp-get-openid&state=${state}&code=${code}`)
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.then((res) => res.json())
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.catch((err) => {
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console.error(err);
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alert('登录失败，请稍后再试');
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document.body.append('登录失败，请稍后再试');
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// closePage();
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});
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if (res.code === 200) {
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document.body.append(JSON.stringify(res.data, null, 2));
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}
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};
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export const checkHasCode = () => {
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const url = new URL(window.location.href);
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const code = url.searchParams.get('code');
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return code;
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};
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export const initGetOpenidEvent = () => {
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if (!isWechat()) {
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document.body.append('请在微信中打开');
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return;
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}
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const hasCode = checkHasCode();
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if (hasCode) {
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getOpenid();
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} else {
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// 没有code，则跳转获取code
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getCodeRedirect();
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}
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};
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const randomString = () => {
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return Math.random().toString(36).substring(2, 15);
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};
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export const getCodeRedirect = () => {
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const defaultURL = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect`;
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const appid = openidConfig.appid;
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const redirect_uri = encodeURIComponent(openidConfig.redirect_uri);
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const scope = openidConfig.scope;
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const state = randomString();
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const link = defaultURL.replace('APPID', appid).replace('REDIRECT_URI', redirect_uri).replace('SCOPE', scope).replace('STATE', state);
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window.location.href = link;
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};
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