Twilio FAX 受信時にメールを送信するサンプル

README.md

Twilio で FAX 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/2018/11/09/204215

発表時の資料（2018/11/10 第１９回伊勢IT交流会 with GCPUG Mie のLT資料）

https://www.slideshare.net/junichim/201811-twilio-fax

twilio_send_mail_by_fax.js

exports.handler = function(context, event, callback) {

	//console.log("event", event);
	//console.log("context", context);
	
	if ('received' != event.FaxStatus) {
	    console.log('no fax received');
	    console.log('fax sid: ' + evemt.FaxSid);
	    console.log('status: ' + event.FaxStatus);
	    console.log('from: ' + event.From);
	    console.log('errCode: ' + event.ErrorCode);
	    console.log('errMessage: ' + event.ErrorMessage);
	    callback(null, 'no fax received');
	}

    sendEmail(event.MediaUrl).then(function(info) {
        console.log('success: ' + info);
    	callback(null, 'email success');
    }).catch(function(err){
        console.log('failed: ' + err);
    	callback(null, 'email failed');
    });
	
	function sendEmail(url) {
	    
    	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: 'Fax received from ' + event.From,
	        text: 'Fax received from ' + event.From,
	        attachments: [{
	            filename: 'fax.pdf',
	            path: url
	        }]
	    };
	    
    	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);
	           }
    	    });
        });
	}
};