<?php

// Webuzo API Credentials
$user = 'WEBUZO_USER';       // Your Webuzo Username
$pass = 'WEBUZO_PASS';       // Your Webuzo Password
$ip   = 'WEBUZO_SERVER_IP';  // Server IP or Hostname

$url = 'https://' . rawurlencode($user) . ':' . rawurlencode($pass) . '@' . $ip . ':2005/index.php?api=json&act=mail_settings';

// POST Data
$post = array(
    // REQUIRED: Trigger to save settings
    'save_basic_options' => 'Save',

    'default_quota' => '1',                     // 0 = Unlimited, 1 = User Defined
    'systemfilter_control' => '1',              // 1 = Default, 0 = None, 2 = Custom
    'suspended_account_deliveries' => 'deliver',// deliver, discard, block, queue

    // General Settings
    'exim_primary_hostname' => 'custom',
    'exim_primary_hostname_val' => 'mail.example.com',
    'max_hourly_email' => 'custom',
    'max_hourly_email_val' => '40',
    'max_notify_email' => 'custom',
    'max_notify_email_val' => '40',
    'mail_retry' => 'custom',
    'mail_retry_val' => '15',
    'enable_roundcube' => '1',
    'default_quota_val' => '1024',              // Value if default_quota is 1

    // Webmail Ports
    'webmail_port_ssl' => 'custom',
    'webmail_port_ssl_val' => '2096',
    'webmail_port_nonssl' => 'custom',
    'webmail_port_nonssl_val' => '2095',

    // Limits & timeouts
    'message_linelength_limit' => 'custom',
    'message_linelength_limit_val' => '2048',
    'message_size_limit' => 'custom',
    'message_size_limit_val' => '50',
    'max_smtp_conn_accept' => 'custom',
    'max_smtp_conn_accept_val' => '500',
    'deliver_queue_load_max' => 'custom',
    'deliver_queue_load_max_val' => '12',
    'queue_only_load' => 'custom',
    'queue_only_load_val' => '24',

    // Ports
    'daemon_smtp_ports' => 'custom',
    'daemon_smtp_ports_val' => '25 : 465 : 587',
    'tls_on_connect_ports' => 'custom',
    'tls_on_connect_ports_val' => '465',

    // Logs & DKIM
    'log_selector' => 'custom',
    'log_selector_val' => '+subject +arguments +received_recipients',
    'dkim_selector' => 'default',
    'dkim_selector_val' => '',

    // Filters & SpamAssassin Limits
    'systemfilter_control_val' => '/etc/exim/exim_system_filter',
    'spam_thresold' => 'unlimited',
    'ratelimit_spam_score_over_int_control' => 'unlimited',
    'fail_spam_score_over_int_control' => 'unlimited',
    'spam_header_control' => '***SPAM***',
    'spam_header_control_val' => '***SPAM***',
    'max_spam_scan_size_control' => '1000',

    // Access Lists (Empty strings clear the lists)
    'spammeripblocks' => '',
    'senderverifybypasshosts' => '',
    'mostlytrustedmailhosts' => '',
    'skipsmtpcheckhosts' => '',
    'backupmxhosts' => '',
    'trustedmailusers' => '',
    'rbl_whitelist' => '',

    // Security Options
    'openssl_options_control' => '+no_sslv2 +no_sslv3 +no_tlsv1 +no_tlsv1_1',
    'openssl_options_control_val' => '+no_sslv2 +no_sslv3 +no_tlsv1 +no_tlsv1_1',
    'tls_require_ciphers_control' => 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384',
    'tls_require_ciphers_control_val' => 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384',
);

// Initialize cURL
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); // Skip SSL verification
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));

// Execute Request
$resp = curl_exec($ch);

if(curl_error($ch)){
    die('Curl Error: '.curl_error($ch));
}

curl_close($ch);

// Decode Response
$res = json_decode($resp, true);

// Check Result
if(!empty($res['done'])){
    echo "Success: Mail settings updated.\n";
    print_r($res['done']);
} else {
    echo "Error updating settings:\n";
    print_r($res['error']);
}