Test_smtp.php

<?php
// test_smtp.php - Standalone test script to verify PHPMailer SMTP functionality
// Assumes database is set up with 'mail' and 'site_info' tables containing necessary settings.
require_once __DIR__ . '/../config.php';
require_once __DIR__ . '/mail.php';

// Start session if not already started
if (session_status() === PHP_SESSION_NONE) {
    session_start([
        'cookie_secure' => isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on',
        'cookie_httponly' => true,
        'use_strict_mode' => true,
    ]);
}

// Generate CSRF token if not set
if (empty($_SESSION['csrf_token'])) {
    $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
    error_log("test_smtp.php: Generated new CSRF token");
}

error_log("test_smtp.php: Script started");

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    error_log("test_smtp.php: POST request received");

    // Retrieve form inputs
    $to = trim($_POST['to'] ?? '');
    $csrf_token = $_POST['csrf_token'] ?? '';

    error_log("test_smtp.php: Recipient: $to, CSRF Token: $csrf_token");

    // Test email details
    $subject = 'Test SMTP Email from PHPMailer';
    $message = '<p>This is a test email sent via PHPMailer</p><p>If you received this, SMTP is working!</p>';
    $name = 'Test User';

    // Call the send_mail function from mail.php
    error_log("test_smtp.php: Calling send_mail function");
    $result = send_mail($to, $subject, $message, $name, $csrf_token);

    error_log("test_smtp.php: send_mail result - Status: " . $result['status'] . ", Message: " . $result['message']);

    // Output the result
    if ($result['status'] === 'success') {
        echo '<p style="color: green;">' . htmlspecialchars($result['message']) . '</p>';
    } else {
        echo '<p style="color: red;">' . htmlspecialchars($result['message']) . '</p>';
    }

    echo '<p><a href="">Send another test</a></p>';
} else {
    error_log("test_smtp.php: GET request - Displaying form");
    // Display the form
    ?>
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Test SMTP with PHPMailer</title>
    </head>
    <body>
        <h1>Test SMTP</h1>
        <p>This script uses your configured mail settings from the database to send a test email via PHPMailer.</p>
        <p>Ensure your mail settings (SMTP host, port, auth, etc.) are set in the admin panel, and database is configured.</p>
        <form method="post">
            <label for="to">Recipient Email:</label><br>
            <input type="email" id="to" name="to" required><br><br>
            <input type="hidden" name="csrf_token" value="<?php echo htmlspecialchars($_SESSION['csrf_token']); ?>">
            <button type="submit">Send Test Email</button>
        </form>
    </body>
    </html>
    <?php
}

error_log("test_smtp.php: Script ended");
?>