// Copyright 2017 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

'use strict';

const express = require('express');

const bodyParser = require('body-parser');

const app = express();

app.use(bodyParser.json());

app.post('/echo', (req, res) => {

res.status(200).json({message: req.body.message});

});

const authInfoHandler = (req, res) => {

let authUser = {id: 'anonymous'};

const encodedInfo = req.get('X-Endpoint-API-UserInfo');

if (encodedInfo) {

authUser = JSON.parse(Buffer.from(encodedInfo, 'base64'));

}

res.status(200).json(authUser);

};

app.get('/auth/info/googlejwt', authInfoHandler);

app.get('/auth/info/googleidtoken', authInfoHandler);

if (module === require.main) {

const PORT = process.env.PORT || 8080;

app.listen(PORT, () => {

console.log(`App listening on port ${PORT}`);

console.log('Press Ctrl+C to quit.');

});

}

module.exports = app;