<?php
error_reporting(NULL);
ob_start();
$TAB = 'DNS';

// Main include
include($_SERVER['DOCUMENT_ROOT']."/inc/main.php");

// Check POST request for dns domain
if (!empty($_POST['ok'])) {

    // Check token
    if ((!isset($_POST['token'])) || ($_SESSION['token'] != $_POST['token'])) {
        header('location: /login/');
        exit();
    }

    // Check empty fields
    if (empty($_POST['v_domain'])) $errors[] = __('domain');
    if (empty($_POST['v_ip'])) $errors[] = __('ip');
    if (!empty($errors[0])) {
        foreach ($errors as $i => $error) {
            if ( $i == 0 ) {
                $error_msg = $error;
            } else {
                $error_msg = $error_msg.", ".$error;
            }
        }
        $_SESSION['error_msg'] = __('Field "%s" can not be blank.',$error_msg);
    }

    // Protect input
    $v_domain = preg_replace("/^www./i", "", $_POST['v_domain']);
    $v_domain = escapeshellarg($v_domain);
    $v_domain = strtolower($v_domain);
    $v_ip = escapeshellarg($_POST['v_ip']);
    $v_ns1 = escapeshellarg($_POST['v_ns1']);
    $v_ns2 = escapeshellarg($_POST['v_ns2']);
    $v_ns3 = escapeshellarg($_POST['v_ns3']);
    $v_ns4 = escapeshellarg($_POST['v_ns4']);
    $v_ns5 = escapeshellarg($_POST['v_ns5']);
    $v_ns6 = escapeshellarg($_POST['v_ns6']);
    $v_ns7 = escapeshellarg($_POST['v_ns7']);
    $v_ns8 = escapeshellarg($_POST['v_ns8']);

    // Add dns domain
    if (empty($_SESSION['error_msg'])) {
        exec (VESTA_CMD."v-add-dns-domain ".$user." ".$v_domain." ".$v_ip." ".$v_ns1." ".$v_ns2." ".$v_ns3." ".$v_ns4." ".$v_ns5."  ".$v_ns6."  ".$v_ns7." ".$v_ns8." no", $output, $return_var);
        check_return_code($return_var,$output);
        unset($output);
    }


    // Set expiriation date
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_exp'])) && ($_POST['v_exp'] != date('Y-m-d', strtotime('+1 year')))) {
            $v_exp = escapeshellarg($_POST['v_exp']);
            exec (VESTA_CMD."v-change-dns-domain-exp ".$user." ".$v_domain." ".$v_exp." no", $output, $return_var);
            check_return_code($return_var,$output);
            unset($output);
        }
    }

    // Set ttl
    if (empty($_SESSION['error_msg'])) {
        if ((!empty($_POST['v_ttl'])) && ($_POST['v_ttl'] != '14400') && (empty($_SESSION['error_msg']))) {
            $v_ttl = escapeshellarg($_POST['v_ttl']);
            exec (VESTA_CMD."v-change-dns-domain-ttl ".$user." ".$v_domain." ".$v_ttl." no", $output, $return_var);
            check_return_code($return_var,$output);
            unset($output);
        }
    }

    // Restart dns server
    if (empty($_SESSION['error_msg'])) {
        exec (VESTA_CMD."v-restart-dns", $output, $return_var);
        check_return_code($return_var,$output);
        unset($output);
    }

    // Flush field values on success
    if (empty($_SESSION['error_msg'])) {
        $_SESSION['ok_msg'] = __('DNS_DOMAIN_CREATED_OK',htmlentities($_POST[v_domain]),htmlentities($_POST[v_domain]));
        unset($v_domain);
    }
}


// Check POST request for dns record
if (!empty($_POST['ok_rec'])) {

    // Check token
    if ((!isset($_POST['token'])) || ($_SESSION['token'] != $_POST['token'])) {
        header('location: /login/');
        exit();
    }

    // Check empty fields
    if (empty($_POST['v_domain'])) $errors[] = 'domain';
    if (empty($_POST['v_rec'])) $errors[] = 'record';
    if (empty($_POST['v_type'])) $errors[] = 'type';
    if (empty($_POST['v_val'])) $errors[] = 'value';
    if (!empty($errors[0])) {
        foreach ($errors as $i => $error) {
            if ( $i == 0 ) {
                $error_msg = $error;
            } else {
                $error_msg = $error_msg.", ".$error;
            }
        }
        $_SESSION['error_msg'] = __('Field "%s" can not be blank.',$error_msg);
    }

    // Protect input
    $v_domain = escapeshellarg($_POST['v_domain']);
    $v_rec = escapeshellarg($_POST['v_rec']);
    $v_type = escapeshellarg($_POST['v_type']);
    $v_val = escapeshellarg($_POST['v_val']);
    $v_priority = escapeshellarg($_POST['v_priority']);

    // Add dns record
    if (empty($_SESSION['error_msg'])) {
        exec (VESTA_CMD."v-add-dns-record ".$user." ".$v_domain." ".$v_rec." ".$v_type." ".$v_val." ".$v_priority, $output, $return_var);
        check_return_code($return_var,$output);
        unset($output);
        $v_type = $_POST['v_type'];
    }

    // Flush field values on success
    if (empty($_SESSION['error_msg'])) {
        $_SESSION['ok_msg'] = __('DNS_RECORD_CREATED_OK',htmlentities($_POST[v_rec]),htmlentities($_POST[v_domain]));
        unset($v_domain);
        unset($v_rec);
        unset($v_val);
        unset($v_priority);
    }
}


$v_ns1 = str_replace("'", "", $v_ns1);
$v_ns2 = str_replace("'", "", $v_ns2);
$v_ns3 = str_replace("'", "", $v_ns3);
$v_ns4 = str_replace("'", "", $v_ns4);
$v_ns5 = str_replace("'", "", $v_ns5);
$v_ns6 = str_replace("'", "", $v_ns6);
$v_ns7 = str_replace("'", "", $v_ns7);
$v_ns8 = str_replace("'", "", $v_ns8);


if (empty($_GET['domain'])) {
    // Display body for dns domain

    if (empty($v_ttl)) $v_ttl = 14400;
    if (empty($v_exp)) $v_exp = date('Y-m-d', strtotime('+1 year'));
    if (empty($v_ns1)) {
        exec (VESTA_CMD."v-list-user-ns ".$user." json", $output, $return_var);
        $nameservers = json_decode(implode('', $output), true);
        $v_ns1 = str_replace("'", "", $nameservers[0]);
        $v_ns2 = str_replace("'", "", $nameservers[1]);
        $v_ns3 = str_replace("'", "", $nameservers[2]);
        $v_ns4 = str_replace("'", "", $nameservers[3]);
        $v_ns5 = str_replace("'", "", $nameservers[4]);
        $v_ns6 = str_replace("'", "", $nameservers[5]);
        $v_ns7 = str_replace("'", "", $nameservers[6]);
        $v_ns8 = str_replace("'", "", $nameservers[7]);
        unset($output);
    }

    render_page($user, $TAB, 'add_dns');
} else {
    // Display body for dns record

    $v_domain = $_GET['domain'];
    render_page($user, $TAB, 'add_dns_rec');
}


// Flush session messages
unset($_SESSION['error_msg']);
unset($_SESSION['ok_msg']);
