init

tools/email.tool.js

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+
+const nodeMailer = require('nodemailer');
+const config = require('../config');
+const fs = require('fs');
+const path = require('path');
+
+//Send One Mail
+exports.SendEmail = function(email_to, subject, text, callback){
+
+    if(!config.smtp_enabled)
+        return;
+
+    console.log("Sending email to: " + email_to);
+
+    let transporter = nodeMailer.createTransport({
+        host: config.smtp_server,
+        port: config.smtp_port,               //Port must be 465 (encrypted) or 587 (STARTTSL, first pre-request is unencrypted to know the encryption method supported, followed by encrypted request)
+        secure: (config.smtp_port == "465"),  //On port 587 secure must be false since it will first send unsecured pre-request to know which encryption to use
+		requireTLS: true,                     //Force using encryption on port 587 on the second request
+        auth: {
+            user: config.smtp_user,
+            pass: config.smtp_password,
+        }
+    });
+
+    let mailOptions = {
+        from: '"' + config.smtp_name + '" <' + config.smtp_email + '>', // sender address
+        to: email_to, // list of receivers
+        subject: subject, // Subject line
+        //text: text, // plain text body
+        html: text, // html body
+    };
+
+    transporter.sendMail(mailOptions, (error, info) => {
+        if (error) {
+            if(callback)
+                callback(false, error);
+            console.log(error);
+            return;
+        }
+
+        if(callback)
+            callback(true);
+    });
+
+};
+
+//Send same mail to multiple recipients (emails array)
+exports.SendEmailList = function(emails, subject, text, callback){
+
+    if(!config.smtp_enabled)
+        return;
+
+    if(!Array.isArray(emails))
+        return;
+
+    if(emails.length == 0)
+        return;
+
+    let transporter = nodeMailer.createTransport({
+        pool: true,
+        host: config.smtp_server,
+        port: config.smtp_port,
+        secure: (config.smtp_port == "465"),
+		requireTLS: true,
+        auth: {
+            user: config.smtp_user,
+            pass: config.smtp_password,
+        }
+    });
+
+    var email_list = emails;
+    var email_from = '"' + config.smtp_name + '" <' + config.smtp_email + '>';
+    var total = emails.length;
+    var sent_success = 0;
+    var sent_count = 0;
+    var ended = false;
+
+    transporter.on("idle", function () {
+
+        while (transporter.isIdle() && email_list.length > 0)
+        {
+            var email_to = email_list.shift();
+            let mailOptions = {
+                from: email_from,
+                to: email_to, 
+                subject: subject,
+                html: text,
+            };
+
+            transporter.sendMail(mailOptions, (error, info) => {
+                sent_count++;
+                if (!error) {
+                    sent_success++;
+                }
+
+                if(email_list.length == 0 && sent_count == total && !ended)
+                {
+                    ended = true;
+                    if(callback)
+                        callback(sent_success);
+                }
+            });
+        }
+    });
+};
+
+exports.ReadTemplate = function(template)
+{
+    const rootDir = path.dirname(require.main.filename);
+    const fullpath = rootDir + "/emails/" + template;
+    
+    try{
+        const html = fs.readFileSync(fullpath, "utf8");
+        return html;
+    }
+    catch
+    {
+        return null;
+    }
+}