sendmail.js

// This is an utility to send e-mails to a single user or all users on behalf of openhab-cloud
var path = require('path'),
    templatesDir   = path.resolve(__dirname, '.', 'templates'),
    emailTemplates = require('email-templates'),
    nodemailer     = require('nodemailer'),
    logger = require('./logger.js'),
    User = require('./models/user'),
    mongoose = require('mongoose'),
    config = require('./config.json'),
    template = process.argv[2],
    userMail = process.argv[3],
    system = require('./system'),
    MongoConnect = require('./system/mongoconnect'),
    mongoConnect;

system.setConfiguration(config);
mongoConnect = new MongoConnect(system);
mongoConnect.connect(mongoose);

function sendEmail (email, templateName, cb) {
    emailTemplates(templatesDir, function (err, template) {
        var transport = nodemailer.createTransport('SMTP', {
                host: config.mailer.host,
                port: config.mailer.port,
                secureConnection: true,
                auth: {
                    user: config.mailer.user,
                    pass: config.mailer.pass
                }
            }),
            locals = {
                email: email
            };

        if (err) {
            cb(err);
            return;
        }
        template(templateName, locals, function (err, html, text) {
            if (err) {
                cb(err);
            } else {
                transport.sendMail( {
                    from: 'My openHAB <my@openhab.org>',
                    to: locals.email,
                    subject: 'My openHAB news',
                    html: html,
                    generateTextFromHTML: true
                }, function (err, responseStatus) {
                    if (err) {
                        cb(err)
                    } else {
                        cb (null);
                    }
                });
            }
        });
    });
}

if (!template) {
    console.log('openHAB-cloud: Usage: node sendmail.js <template name> [<user email>]')
    console.log('openHAB-cloud: WARNING! If user email is not specified, e-mail will be sent to all openhab-cloud users!');
    return;
}

if (userMail) {
    sendEmail(userMail, template, function (error) {
        if (!error) {
            console.log('openHAB-cloud: Mail sent!');
            process.exit(0);
        } else {
            console.log('openHAB-cloud: Error sending mail: ' + error);
            process.exit(0);
        }
    });
} else {
    User.find({}, function (error, users) {
        console.log('openHAB-cloud: Sending mail to ' + users.length + ' users');

        if (error) {
            console.log('openHAB-cloud: Error selecting users: ' + error);
            process.exit(0);
        }

        if (!users) {
            console.log('openHAB-cloud: Unable to find any users');
            process.exit(0);
        }

        for (var i=0; i<users.length; i++) {
            var user = users[i];
            console.log('openHAB-cloud: Sending mail to ' + user.username);
            sendEmail(user.username, template, function (error) {
                if (error) {
                    console.log('openHAB-cloud: Error sending mail: ' + error);
                } else {
                    console.log('openHAB-cloud: Mail sent!');
                }
            });
        }
        console.log('openHAB-cloud: All mails sent!');
    });
}