151 lines
5.5 KiB
JavaScript
151 lines
5.5 KiB
JavaScript
const nodemailer = require('nodemailer');
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// Configure Gmail transporter
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const transporter = nodemailer.createTransport({
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service: 'gmail',
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auth: {
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user: process.env.GMAIL_USER, // your Gmail
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pass: process.env.GMAIL_PASS // Gmail App Password
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}
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});
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// In-memory rate limit tracker: email → [timestamps]
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const emailSendLog = new Map();
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// Helper: Can we send this email?
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function canSendEmail(email) {
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const now = Date.now();
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const windowTime = 24 * 60 * 60 * 1000; // 24 hours in ms
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const limit = 2;
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const timestamps = emailSendLog.get(email) || [];
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const recent = timestamps.filter(ts => now - ts < windowTime);
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if (recent.length >= limit) return false;
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recent.push(now);
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emailSendLog.set(email, recent);
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return true;
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}
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// Send acknowledgment email to the user
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async function sendAcknowledgementEmail(firstName, email) {
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console.log('Sending acknowledgement email to user:', firstName, email);
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const mailOptions = {
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from: `"GuardianCall.ai" <${process.env.GMAIL_USER}>`,
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to: email,
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subject: 'Welcome to GuardianCall.ai!',
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html: `<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>Welcome to GuardianCall.ai</title>
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</head>
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<body style="font-family: Arial, sans-serif; background-color: #f9f9f9;">
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<table width="100%" cellspacing="0" cellpadding="0">
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<tr>
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<td align="center">
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<table width="600" style="background-color: #ffffff; margin-top: 30px; border-radius: 10px;">
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<tr>
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<td align="center" style="padding: 30px;">
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<img src="https://s3.blr.cloudtopiaa.com:6780/swift/v1/AUTH_02a111ba8aca4efcbc139b77a7b37f30/gaurdian-ui/GuardianCallAi-Logo.png" alt="GuardianCall.ai Logo" style="max-width: 250px;" />
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</td>
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</tr>
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<tr>
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<td style="padding: 30px 40px;">
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<h2 style="color: #333;">Welcome, ${firstName}!</h2>
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<p style="color: #555; font-size: 16px;">
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Thank you for signing up with <strong>GuardianCall.ai</strong>. Your account registration request has been received and is currently under review.
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</p>
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<p style="color: #555; font-size: 16px;">
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Once your account is approved, you'll receive a confirmation email with next steps and login instructions.
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</p>
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<p style="color: #555; font-size: 16px;">
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In the meantime, feel free to explore more about what GuardianCall.ai can do for you.
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</p>
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<p style="color: #555; font-size: 16px;">Warm regards,<br/>The GuardianCall.ai Team</p>
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</td>
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</tr>
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<tr>
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<td style="background-color: #f0f0f0; text-align: center; padding: 20px;">
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<p style="font-size: 12px; color: #999;">© 2025 GuardianCall.ai. All rights reserved.</p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</body>
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</html>`
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};
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return transporter.sendMail(mailOptions);
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}
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// Send signup request to admin + acknowledgment to user
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async function sendSignupEmail(email, firstName, lastName, password) {
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if (!canSendEmail(email)) {
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const error = new Error(`Rate limit exceeded for ${email}. Please try again later.`);
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error.status = 429; // Too Many Requests
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throw error;
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}
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const mailOptions = {
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from: `"GuardianCall.ai" <${process.env.GMAIL_USER}>`,
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to: process.env.gmail_admin,
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subject: 'Signup request',
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html: `<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>New Signup Request - GuardianCall</title>
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</head>
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<body style="font-family: Arial, sans-serif; background-color: #f9f9f9;">
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<table width="100%" cellspacing="0" cellpadding="0">
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<tr>
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<td align="center">
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<table width="600" style="background-color: #ffffff; margin-top: 30px; border-radius: 10px;">
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<tr>
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<td align="center" style="padding: 30px;">
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<img src="https://s3.blr.cloudtopiaa.com:6780/swift/v1/AUTH_02a111ba8aca4efcbc139b77a7b37f30/gaurdian-ui/GuardianCallAi-Logo.png" alt="GuardianCall.ai Logo" style="max-width: 250px;" />
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</td>
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</tr>
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<tr>
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<td style="padding: 30px 40px;">
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<h2 style="color: #333;">New Signup Request Received</h2>
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<p style="color: #555; font-size: 16px;">Hi Admin,</p>
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<p style="color: #555; font-size: 16px;">A new user has requested signup on GuardianCall.ai.</p>
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<h3 style="color: #333;">User Details:</h3>
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<ul style="color: #555; font-size: 16px; list-style: none; padding-left: 0;">
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<li><strong>First Name:</strong> ${firstName}</li>
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<li><strong>Last Name:</strong> ${lastName}</li>
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<li><strong>Email:</strong> ${email}</li>
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<li><strong>Suggested Password:</strong> ${password}</li>
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</ul>
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<p style="color: #555; font-size: 16px;">Please verify the information and take appropriate action.</p>
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<p style="color: #555; font-size: 16px;">Cheers,<br/>The GuardianCall.ai Team</p>
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</td>
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</tr>
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<tr>
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<td style="background-color: #f0f0f0; text-align: center; padding: 20px;">
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<p style="font-size: 12px; color: #999;">© 2025 GuardianCall.ai. All rights reserved.</p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</body>
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</html>`
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};
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// Send both emails
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await sendAcknowledgementEmail(firstName, email);
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return transporter.sendMail(mailOptions);
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}
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module.exports = { sendSignupEmail };
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