const nodemailer = require("nodemailer"); const NotificationProvider = require("./notification-provider"); const { DOWN, UP } = require("../../src/util"); class SMTP extends NotificationProvider { name = "smtp"; async send(notification, msg, monitorJSON = null, heartbeatJSON = null) { const config = { host: notification.smtpHost, port: notification.smtpPort, secure: notification.smtpSecure, tls: { rejectUnauthorized: notification.smtpIgnoreTLSError || false, }, dkim: { domainName: notification.smtpDkimDomain, keySelector: notification.smtpDkimKeySelector, privateKey: notification.smtpDkimPrivateKey, hashAlgo: notification.smtpDkimHashAlgo, headerFieldNames: notification.smtpDkimheaderFieldNames, skipFields: notification.smtpDkimskipFields, } }; // Should fix the issue in https://github.com/louislam/uptime-kuma/issues/26#issuecomment-896373904 if (notification.smtpUsername || notification.smtpPassword) { config.auth = { user: notification.smtpUsername, pass: notification.smtpPassword, }; } // Lets start with default subject and empty string for custom one let subject = msg; // Change the subject if: // - The msg ends with "Testing" or // - Actual Up/Down Notification if ((monitorJSON && heartbeatJSON) || msg.endsWith("Testing")) { let customSubject = ""; // Our subject cannot end with whitespace it's often raise spam score // Once I got "Cannot read property 'trim' of undefined", better be safe than sorry if (notification.customSubject) { customSubject = notification.customSubject.trim(); } // If custom subject is not empty, change subject for notification if (customSubject !== "") { // Replace "MACROS" with corresponding variable let replaceName = new RegExp("{{NAME}}", "g"); let replaceHostnameOrURL = new RegExp("{{HOSTNAME_OR_URL}}", "g"); let replaceStatus = new RegExp("{{STATUS}}", "g"); // Lets start with dummy values to simplify code let monitorName = "Test"; let monitorHostnameOrURL = "testing.hostname"; let serviceStatus = "⚠️ Test"; if (monitorJSON !== null) { monitorName = monitorJSON["name"]; if (monitorJSON["type"] === "http" || monitorJSON["type"] === "keyword") { monitorHostnameOrURL = monitorJSON["url"]; } else { monitorHostnameOrURL = monitorJSON["hostname"]; } } if (heartbeatJSON !== null) { serviceStatus = (heartbeatJSON["status"] === DOWN) ? "🔴 Down" : "✅ Up"; } // Break replace to one by line for better readability customSubject = customSubject.replace(replaceStatus, serviceStatus); customSubject = customSubject.replace(replaceName, monitorName); customSubject = customSubject.replace(replaceHostnameOrURL, monitorHostnameOrURL); subject = customSubject; } } let transporter = nodemailer.createTransport(config); let bodyTextContent = msg; if (heartbeatJSON) { bodyTextContent = `${msg}\nTime (UTC): ${heartbeatJSON["time"]}`; } // send mail with defined transport object await transporter.sendMail({ from: notification.smtpFrom, cc: notification.smtpCC, bcc: notification.smtpBCC, to: notification.smtpTo, subject: subject, text: bodyTextContent, }); return "Sent Successfully."; } } module.exports = SMTP;