LINE Messaging APIを試すためのAWS Lambdaファンクションです

line_bot_api_callback_on_lambda2.js

var https = require('https');

exports.handler = function(event, context) {
    console.log('Received event:', JSON.stringify(event, null, 2));
    
    var reply_token = event.events[0].replyToken;

    var data = JSON.stringify({
      replyToken: reply_token,
      messages:[
                {
                    "type": "text",
                    "text": event.events[0].message.text
                }
            ]
    });

    var opts = {
        host: 'api.line.me',
        path: '/v2/bot/message/reply',
        headers: {
            "Content-type": "application/json; charset=UTF-8",
            "Authorization": " Bearer " + "Channel Access Token"
        },
        method: 'POST'
    };

    var req = https.request(opts, function(res){
        res.on('data', function(chunk){
            console.log(res.statusCode + chunk.toString());
        }).on('error', function(e){
            console.log('ERROR: '+ e.stack);
        });
    });

    req.write(data);
    req.end();
};