README.md

Twilio で 電話受信時にメールを送信するサンプル

ブログ記事

https://blog.mori-soft.com/entry/2019/02/21/152045

twilio_send_mail_by_tel.js

exports.handler = function(context, event, callback) {
    
	//let twiml = new Twilio.twiml.VoiceResponse();
	//// twiml.say("Hello World");
	//callback(null, twiml);

    console.log('debug: context : ' + JSON.stringify(context));
    console.log('debug: event   : ' + JSON.stringify(event));
    console.log('debug: callback: ' + JSON.stringify(callback));
    
	if ('completed' != event.RecordingStatus) {
	    console.log('failed tel recorded');
	    console.log('tel sid: ' + event.CallSid);
	    console.log('status: ' + event.RecordingStatus);
	    //console.log('from: ' + event.From);
	    console.log('errCode: ' + event.ErrorCode);
	    console.log('errMessage: ' + event.ErrorMessage);
	    callback(null, 'no tel recorded');
	    return;
	}
	
    // 1. 発信元の電話番号を取得
    // 2. メールを送信
    const callSid = event.CallSid;
    const client = context.getTwilioClient();

    client.calls(callSid).fetch().then(function(call) {
        console.log("from: " + call.from);
        return sendEmail(event.RecordingUrl, call.from);
    }).then(function(info) {
        console.log('success: ' + info);
    	callback(null, 'email success');
    }).catch(function(err){
        console.log('failed: ' + JSON.stringify(err));
    	callback(null, 'email failed');
    });
    
    // メールの送信
    // url : 録音ファイルのurl
    // fromNumber : 発信元電話番号
	function sendEmail(url, fromNumber) {
	    
    	console.log("url: " + url);
    	
	    var nodemailer = require('nodemailer');
	    
            var transporter = nodemailer.createTransport({
                host: 'SMTP サーバー名',
	        port: 587,
	        secure: false,
	        auth: {
	            user: 'ユーザー名',
	            pass: 'パスワード'
	        },
	        tls: {
	            rejectUnauthorized: false
	        }
	    });
	    
	    var message = {
	        from: '発信者のメールアドレス',
	        to: '宛先メールアドレス',
	        subject: 'Tel received from ' + event.From,
	        text: 'Tel received from ' + event.From,
	        attachments: [{
	            filename: 'record.wav',
	            path: url
	        }]
	    };	    

        console.log('message: ' + JSON.stringify(message));	    
    	console.log("finish preparation to send mail");

        return new Promise(function(resolve, reject) {
    	    transporter.sendMail(message, function(error, info) {
	           if (error) {
	               console.log('error: ' + error);
	               reject(error);
    	       } else {
	               console.log('email sent, message id: ' + info.messageId);
	               resolve(info);
	           }
    	    });
        });
	}
};