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- var mongoose = require('mongoose');
- var nodemailer = require("nodemailer");
- var chalk = require("chalk");
- const cheerio = require('cheerio');
- var db = require("kairoscope-db-models");
- var SentMail = db.SentMail;
- var send_mail = function(msg_data, id) {
- var content = add_link_tracking(msg_data.message, id)
- content = add_tracking_pixel(content, id);
- var mail_msg = {
- id: id,
- to: msg_data.to,
- from: msg_data.from,
- subject: msg_data.subject,
- html: content,
- }
- // create Nodemailer SES transporter
- var transporter = nodemailer.createTransport({
- host: process.env.AWS_SES_URL,
- port: 587,
- secure: false, // upgrade later with STARTTLS
- auth: {
- user: process.env.AWS_SES_SMTP_USERNAME,
- pass: process.env.AWS_SES_SMTP_PASSWORD
- }
- });
- transporter.sendMail(mail_msg, function (err, info) {
- if (err) {
- console.log("Error sending email");
- console.log(err);
- save_sent_email(mail_msg, undefined, false, false);
- } else {
- console.log(`Sent email ${chalk.italic(`\'${mail_msg.id}\'`)} successfully`);
- //console.log(info);
- save_sent_email(mail_msg, info, true, true);
- }
- });
- }
- var save_sent_email = function(email_msg, response_data, sent, delivered) {
- var new_sent_mail = new SentMail();
- if(response_data != undefined) new_sent_mail.sent_id = response_data.messageId;
- new_sent_mail.message_id = email_msg.id;
- new_sent_mail.to = email_msg.to;
- new_sent_mail.from = email_msg.from;
- new_sent_mail.subject = email_msg.subject;
- new_sent_mail.message = email_msg.html;
- new_sent_mail.sent = sent;
- new_sent_mail.delivered = delivered;
- new_sent_mail.save().then((sent_mail) => {
- console.log(`Saved email ${chalk.italic(`\'${sent_mail.message_id}\'`)} to database`);
- }).catch((error) => { reject(error); });
- }
- // Some checking to see if environment variables are set on statup and show errors if not
- var check_env_variables = function() {
- var env = process.env;
- var e = `${chalk.red(`ERROR:`)}`;
- if(env.AWS_SES_URL != "" && env.AWS_SES_URL != undefined){
- console.log(`Delivery server URL: ${chalk.green(`\'${env.AWS_SES_URL}\'`)}`);
- } else {
- var v = `${chalk.yellow(`\'AWS_SES_URL\'`)}`;
- console.log(`${e} AWS SES URL is missing. To fix this, add ${v} to the environment variables.`);
- }
- var has_username = env.AWS_SES_SMTP_USERNAME != "" && env.AWS_SES_SMTP_USERNAME != undefined;
- var has_password = env.AWS_SES_SMTP_PASSWORD != "" && env.AWS_SES_SMTP_PASSWORD != undefined;
- if(has_username && has_password){
- console.log(`AWS SES authentication is set with username: ${chalk.italic(env.AWS_SES_SMTP_USERNAME)}`);
- } else {
- if(!has_username){
- var v = `${chalk.yellow(`\'AWS_SES_SMTP_USERNAME\'`)}`;
- console.log(`${e} AWS SES needs a username. Add ${v} to the environment variables.`);
- }
- if(!has_password){
- var v = `${chalk.yellow(`\'AWS_SES_SMTP_PASSWORD\'`)}`;
- console.log(`${e} AWS SES needs a password. Add ${v} to the environment variables.`);
- }
- }
- var has_tracking_url = env.TRACKING_URL != "" && env.TRACKING_URL != undefined;
- if(has_tracking_url) {
- console.log(`Tracking URL: ${chalk.green(`\'${env.TRACKING_URL}\'`)}`);
- } else {
- var v = `${chalk.yellow(`\'TRACKING_URL\'`)}`;
- console.log(`${e} The mail delivery service needs a tracking server URL. Add ${v} to the environment variables.`);
- }
- }
- var add_tracking_pixel = function(content, id) {
- var has_tracking_url = process.env.TRACKING_URL != "" && process.env.TRACKING_URL != undefined;
- if(has_tracking_url == false) return content;
- var s = `\n<img src="${process.env.TRACKING_URL}${id}/image.png">`;
- return content + s;
- }
- var add_link_tracking = function(content, id) {
- const html = cheerio.load(content);
- html('a').each( (index, link) => {
- var url = html(link).attr('href');
- var link_id = html(link).text();
- //link_id = link_id.replaceAll(" ", "-").replaceAll("/", "").replaceAll("\"", "").replaceAll(":", "").replaceAll("'", "");
- var new_url = `${process.env.TRACKING_URL}${id}/redirect?url=${url}&link=${link_id}`;
- html(link).attr("href", new_url);
- });
- return html.html();
- }
- module.exports.send_mail = send_mail;
- module.exports.save_sent_email = save_sent_email;
- module.exports.check_env_variables = check_env_variables;
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