A small wrapper around openid-client passport for integrating with Grean EasyID

passport-grean.js

"use strict";

const { Issuer, Strategy } = require("openid-client");

Issuer.defaultHttpOptions = { timeout: 5000 };

function createUser(userinfo) {
  const name = userinfo.name.split(",");
  return {
    id: userinfo.uniqueuserid,
    provider: "grean",
    socialno: userinfo.socialno,
    name: {
      familyName: name[0],
      givenName: name[1].substr(1),
    },
    displayName: userinfo.name,
  };
}

class PassportGrean {
  constructor({ issuerUrl, clientId, clientSecret, redirectUri }) {
    this.issuerUrl = issuerUrl;
    this.clientId = clientId;
    this.clientSecret = clientSecret;
    this.redirectUri = redirectUri;
    this.init();
  }

  init() {
    this.issuer = new Issuer({
      issuer: this.issuerUrl,
      authorization_endpoint: `${this.issuerUrl}/oauth2/authorize`,
      token_endpoint: `${this.issuerUrl}/oauth2/token`,
      userinfo_endpoint: `${this.issuerUrl}/oauth2/userinfo`,
      jwks_uri: `${this.issuerUrl}/.well-known/jwks`,
    });
    this.client = new this.issuer.Client({
      client_id: this.clientId,
      client_secret: this.clientSecret,
    });
  }

  createStrategy() {
    return new Strategy(
      {
        client: this.client,
        params: { redirect_uri: this.redirectUri },
      },
      (tokenset, userinfo, done) => {
        done(null, createUser(userinfo));
      },
    );
  }
}

module.exports = PassportGrean;