wxapp-auth

(Non-official) Wechat mini program (a.k.a. 微信小程序) auth helper for Node.js.

Table of Contents

• Table of Contents
• Installation
• Usage
• Reference
  • constructor(appId, appSecret)
  • getUserInfo(params)
  • getSession(params)
• License

Installation

yarn add wxapp-auth

Usage

import WxappAuth from 'wxapp-auth';

(async function main() {
  const wechatAuth = new WxappAuth('<APP_ID>', '<APP_SECRET>');
  const userInfo = await wechatAuth.getUserInfo({
    code: '<LOGIN_CODE>'
    rawData: '<RAW_DATA>',
    signature: '<SIGNATURE>',
  });
}());

Reference

constructor(appId, appSecret)

new WxappAuth(appId, appSecret);

Create a WxappAuth instance.

Arguments

1. appId <String>: Wechat app id, required
2. appSecret <String>: Wechat app secret, required

getUserInfo(params)

wxappAuth.getUserInfo(params);

Arguments

1. Params <Object>

• code <String>: code from wechat mini program wx.login()
• sessionKey <String>: Session key from getSession(params)
• rawData <String>: rawData from wechat mini program wx.getUserInfo()
• signature <String>: signature from wechat mini program wx.getUserInfo()
• encryptedData <String>: encryptedData from wechat mini program wx.getUserInfo()
• iv <String>: iv from wechat mini program wx.getUserInfo()

Note

• One of code or sessionKey is required
• One of rawData and signature, or encryptedData and iv are required

Returns

Promise of UserInfo object

getSession(params)

wxappAuth.getSession(params);

Arguments

1. Params <Object>

• code <String>: code from wechat mini program wx.login(), required

Returns

Promise of object containing sessionKey, openid, and optional unionid

License

MIT