<?php

ob_start();
$TAB = 'MAIL';

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

// Check domain argument
if (empty($_GET['domain'])) {
    header("Location: /list/mail/");
    exit;
}

// Edit as someone else?
if (($_SESSION['userContext'] === 'admin') && (!empty($_GET['user']))) {
    $user=escapeshellarg($_GET['user']);
    $user_plain=htmlentities($_GET['user']);
}

$v_username = $user;

// List mail domain
if ((!empty($_GET['domain'])) && (empty($_GET['account']))) {
    $v_domain = $_GET['domain'];

    exec(HESTIA_CMD."v-list-sys-webmail json", $output, $return_var);
    $webmail_clients = json_decode(implode('', $output), true);
    unset($output);

    exec(HESTIA_CMD."v-list-mail-domain ".$user." ".escapeshellarg($v_domain)." json", $output, $return_var);
    $data = json_decode(implode('', $output), true);
    check_return_code_redirect($return_var, $output, '/list/mail/');
    unset($output);

    // Parse domain
    $v_antispam = $data[$v_domain]['ANTISPAM'];
    $v_reject = $data[$v_domain]['REJECT'];
    $v_antivirus = $data[$v_domain]['ANTIVIRUS'];
    $v_dkim = $data[$v_domain]['DKIM'];
    $v_catchall = $data[$v_domain]['CATCHALL'];
    $v_rate = $data[$v_domain]['RATE_LIMIT'];
    $v_date = $data[$v_domain]['DATE'];
    $v_time = $data[$v_domain]['TIME'];
    $v_suspended = $data[$v_domain]['SUSPENDED'];
    $v_webmail_alias = $data[$v_domain]['WEBMAIL_ALIAS'];
    $v_webmail = $data[$v_domain]['WEBMAIL'];
    $v_smtp_relay = $data[$v_domain]['U_SMTP_RELAY'];
    $v_smtp_relay_host = $data[$v_domain]['U_SMTP_RELAY_HOST'];
    $v_smtp_relay_port = $data[$v_domain]['U_SMTP_RELAY_PORT'];
    $v_smtp_relay_user = $data[$v_domain]['U_SMTP_RELAY_USERNAME'];

    if ($v_suspended == 'yes') {
        $v_status =  'suspended';
    } else {
        $v_status =  'active';
    }

    $v_ssl = $data[$v_domain]['SSL'];
    if (!empty($v_ssl)) {
        exec(HESTIA_CMD."v-list-mail-domain-ssl ".$user." ".escapeshellarg($v_domain)." json", $output, $return_var);
        $ssl_str = json_decode(implode('', $output), true);
        unset($output);
        $v_ssl_crt = $ssl_str[$v_domain]['CRT'];
        $v_ssl_key = $ssl_str[$v_domain]['KEY'];
        $v_ssl_ca = $ssl_str[$v_domain]['CA'];
        $v_ssl_subject = $ssl_str[$v_domain]['SUBJECT'];
        $v_ssl_aliases = $ssl_str[$v_domain]['ALIASES'];
        $v_ssl_not_before = $ssl_str[$v_domain]['NOT_BEFORE'];
        $v_ssl_not_after = $ssl_str[$v_domain]['NOT_AFTER'];
        $v_ssl_signature = $ssl_str[$v_domain]['SIGNATURE'];
        $v_ssl_pub_key = $ssl_str[$v_domain]['PUB_KEY'];
        $v_ssl_issuer = $ssl_str[$v_domain]['ISSUER'];
    }
    $v_letsencrypt = $data[$v_domain]['LETSENCRYPT'];
    if (empty($v_letsencrypt)) {
        $v_letsencrypt = 'no';
    }
}

// List mail account
if ((!empty($_GET['domain'])) && (!empty($_GET['account']))) {
    $v_domain = $_GET['domain'];

    $v_account = $_GET['account'];
    exec(HESTIA_CMD."v-list-mail-account ".$user." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." 'json'", $output, $return_var);
    $data = json_decode(implode('', $output), true);
    check_return_code_redirect($return_var, $output, '/list/mail/');
    unset($output);

    // Parse mail account
    $v_username = $user;
    $v_password = "";
    $v_aliases = str_replace(',', "\n", $data[$v_account]['ALIAS']);
    $valiases = explode(",", $data[$v_account]['ALIAS']);
    $v_fwd = str_replace(',', "\n", $data[$v_account]['FWD']);
    if ($v_fwd == ":blackhole:") {
        $v_fwd = '';
        $v_blackhole = "yes";
    } else {
        $v_blackhole = "no";
    }
    $vfwd = explode(",", $data[$v_account]['FWD']);
    $v_fwd_only = $data[$v_account]['FWD_ONLY'];
    $v_rate = $data[$v_account]['RATE_LIMIT'];
    $v_quota = $data[$v_account]['QUOTA'];
    $v_autoreply = $data[$v_account]['AUTOREPLY'];
    $v_suspended = $data[$v_account]['SUSPENDED'];
    $v_webmail_alias = $data[$v_account]['WEBMAIL_ALIAS'];
    if (empty($v_send_email)) {
        $v_send_email = '';
    }
    if ($v_suspended == 'yes') {
        $v_status =  'suspended';
    } else {
        $v_status =  'active';
    }
    $v_date = $data[$v_account]['DATE'];
    $v_time = $data[$v_account]['TIME'];

    // Parse autoreply
    if ($v_autoreply == 'yes') {
        exec(HESTIA_CMD."v-list-mail-account-autoreply ".$user." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." json", $output, $return_var);
        $autoreply_str = json_decode(implode('', $output), true);
        unset($output);
        $v_autoreply_message = $autoreply_str[$v_account]['MSG'];
        $v_autoreply_message=str_replace("\\n", "\n", $v_autoreply_message);
    } else {
        $v_autoreply_message = '';
    }
}


// Check POST request for mail domain
if ((!empty($_POST['save'])) && (!empty($_GET['domain'])) && (empty($_GET['account']))) {
    // Check token
    verify_csrf($_POST);


    exec(HESTIA_CMD."v-list-mail-domain ".$user." ".escapeshellarg($v_domain)." json", $output, $return_var);
    $data = json_decode(implode('', $output), true);
    check_return_code_redirect($return_var, $output, '/list/mail/');
    unset($output);

    // Delete antispam
    if (($v_antispam == 'yes') && (empty($_POST['v_antispam'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-domain-antispam ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_antispam = 'no';
        unset($output);
    }

    // Add antispam
    if (($v_antispam == 'no') && (!empty($_POST['v_antispam'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-add-mail-domain-antispam ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_antispam = 'yes';
        unset($output);
    }

    // Delete antivirus
    if (($v_antivirus == 'yes') && (empty($_POST['v_antivirus'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-domain-antivirus ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_antivirus = 'no';
        unset($output);
    }

    // Add antivirus
    if (($v_antivirus == 'no') && (!empty($_POST['v_antivirus'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-add-mail-domain-antivirus ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_antivirus = 'yes';
        unset($output);
    }

    // Delete DKIM
    if (($v_dkim == 'yes') && (empty($_POST['v_dkim'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-domain-dkim ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_dkim = 'no';
        unset($output);
    }

    // Add DKIM
    if (($v_dkim == 'no') && (!empty($_POST['v_dkim'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-add-mail-domain-dkim ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_dkim = 'yes';
        unset($output);
    }

    // Delete catchall
    if ((!empty($v_catchall)) && (empty($_POST['v_catchall'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-domain-catchall ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        $v_catchall = '';
        unset($output);
    }

    // Change rate limit
    if (($v_rate != $_POST['v_rate']) && (empty($_SESSION['error_msg'])) && $_SESSION['userContext'] == 'admin') {
        if (empty($_POST['v_rate'])) {
            $v_rate = 'system';
        } else {
            $v_rate = escapeshellarg($_POST['v_rate']);
        }
        exec(HESTIA_CMD."v-change-mail-domain-rate-limit ".$v_username." ".escapeshellarg($v_domain)." ".$v_rate, $output, $return_var);
        check_return_code($return_var, $output);
        if ($v_rate == 'system') {
            $v_rate = '';
        }
        unset($output);
    }
    
    if (!empty($_POST['v_reject']) && $v_antispam == "yes" && $v_reject != 'yes' ) {
         exec(HESTIA_CMD."v-add-mail-domain-reject ".$user." ".$v_domain." yes", $output, $return_var);
         check_return_code($return_var, $output);
         $v_reject = 'yes';
         unset($output);
     }
     if (empty($_POST['v_reject']) && $v_reject == 'yes' ) {
          exec(HESTIA_CMD."v-delete-mail-domain-reject ".$user." ".$v_domain." yes", $output, $return_var);
          check_return_code($return_var, $output);
          $v_reject = '';
          unset($output);
      }

    // Change catchall address
    if ((!empty($v_catchall)) && (!empty($_POST['v_catchall'])) && (empty($_SESSION['error_msg']))) {
        if ($v_catchall != $_POST['v_catchall']) {
            $v_catchall = escapeshellarg($_POST['v_catchall']);
            exec(HESTIA_CMD."v-change-mail-domain-catchall ".$v_username." ".escapeshellarg($v_domain)." ".$v_catchall, $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
        }
    }

    // Add catchall
    if ((empty($v_catchall)) && (!empty($_POST['v_catchall'])) && (empty($_SESSION['error_msg']))) {
        $v_catchall = escapeshellarg($_POST['v_catchall']);
        exec(HESTIA_CMD."v-add-mail-domain-catchall ".$v_username." ".escapeshellarg($v_domain)." ".$v_catchall, $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
    }

    if (!empty($_SESSION['IMAP_SYSTEM']) && !empty($_SESSION['WEBMAIL_SYSTEM'])) {
        if (empty($_SESSION['error_msg'])) {
            if (!empty($_POST['v_webmail'])) {
                $v_webmail = escapeshellarg($_POST['v_webmail']);
                exec(HESTIA_CMD."v-add-mail-domain-webmail ".$user." ".$v_domain." ".$v_webmail." yes", $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
    }

    if (!empty($_SESSION['IMAP_SYSTEM']) && !empty($_SESSION['WEBMAIL_SYSTEM'])) {
        if (empty($_POST['v_webmail'])) {
            if (empty($_SESSION['error_msg'])) {
                exec(HESTIA_CMD."v-delete-mail-domain-webmail ".$user." ".$v_domain." yes", $output, $return_var);
                check_return_code($return_var, $output);
                $v_webmail = "";
                unset($output);
            }
        }
    }

    // Change SSL certificate
    if (($v_letsencrypt == 'no') && (empty($_POST['v_letsencrypt'])) && ($v_ssl == 'yes') && (!empty($_POST['v_ssl'])) && (empty($_SESSION['error_msg']))) {
        if (($v_ssl_crt != str_replace("\r\n", "\n", $_POST['v_ssl_crt'])) || ($v_ssl_key != str_replace("\r\n", "\n", $_POST['v_ssl_key'])) || ($v_ssl_ca != str_replace("\r\n", "\n", $_POST['v_ssl_ca']))) {
            exec('mktemp -d', $mktemp_output, $return_var);
            $tmpdir = $mktemp_output[0];

            // Certificate
            if (!empty($_POST['v_ssl_crt'])) {
                $fp = fopen($tmpdir."/".$v_domain.".crt", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_crt']));
                fwrite($fp, "\n");
                fclose($fp);
            }

            // Key
            if (!empty($_POST['v_ssl_key'])) {
                $fp = fopen($tmpdir."/".$v_domain.".key", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_key']));
                fwrite($fp, "\n");
                fclose($fp);
            }

            // CA
            if (!empty($_POST['v_ssl_ca'])) {
                $fp = fopen($tmpdir."/".$v_domain.".ca", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_ca']));
                fwrite($fp, "\n");
                fclose($fp);
            }

            exec(HESTIA_CMD."v-change-mail-domain-sslcert ".$user." ".escapeshellarg($v_domain)." ".$tmpdir." 'no'", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $restart_web = 'yes';
            $restart_proxy = 'yes';

            exec(HESTIA_CMD."v-list-mail-domain-ssl ".$user." ".escapeshellarg($v_domain)." json", $output, $return_var);
            $ssl_str = json_decode(implode('', $output), true);
            unset($output);
            $v_ssl_crt = $ssl_str[$v_domain]['CRT'];
            $v_ssl_key = $ssl_str[$v_domain]['KEY'];
            $v_ssl_ca = $ssl_str[$v_domain]['CA'];
            $v_ssl_subject = $ssl_str[$v_domain]['SUBJECT'];
            $v_ssl_aliases = $ssl_str[$v_domain]['ALIASES'];
            $v_ssl_not_before = $ssl_str[$v_domain]['NOT_BEFORE'];
            $v_ssl_not_after = $ssl_str[$v_domain]['NOT_AFTER'];
            $v_ssl_signature = $ssl_str[$v_domain]['SIGNATURE'];
            $v_ssl_pub_key = $ssl_str[$v_domain]['PUB_KEY'];
            $v_ssl_issuer = $ssl_str[$v_domain]['ISSUER'];

            // Cleanup certificate tempfiles
            if (!empty($_POST['v_ssl_crt'])) {
                unlink($tmpdir."/".$v_domain.".crt");
            }
            if (!empty($_POST['v_ssl_key'])) {
                unlink($tmpdir."/".$v_domain.".key");
            }
            if (!empty($_POST['v_ssl_ca'])) {
                unlink($tmpdir."/".$v_domain.".ca");
            }
            rmdir($tmpdir);
        }
    }

    // Delete Lets Encrypt support
    if (($v_letsencrypt == 'yes') && (empty($_POST['v_letsencrypt']) || empty($_POST['v_ssl'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-letsencrypt-domain ".$user." ".escapeshellarg($v_domain)." ' ' 'yes'", $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_ssl_crt = '';
        $v_ssl_key = '';
        $v_ssl_ca = '';
        $v_letsencrypt = 'no';
        $v_letsencrypt_deleted = 'yes';
        $v_ssl = 'no';
        $restart_mail = 'yes';
    }

    // Delete SSL certificate
    if (($v_ssl == 'yes') && (empty($_POST['v_ssl'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-domain-ssl ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_ssl_crt = '';
        $v_ssl_key = '';
        $v_ssl_ca = '';
        $v_ssl = 'no';
        $restart_mail = 'yes';
    }

    // Add Lets Encrypt support
    if ((!empty($_POST['v_ssl'])) && ($v_letsencrypt == 'no') && (!empty($_POST['v_letsencrypt'])) && empty($_SESSION['error_msg'])) {
        exec(HESTIA_CMD."v-add-letsencrypt-domain ".$user." ".escapeshellarg($v_domain)." ' ' 'yes'", $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_letsencrypt = 'yes';
        $v_ssl = 'yes';
        $restart_mail = 'yes';
    }

    // Add SSL certificate
    if (($v_ssl == 'no') && (!empty($_POST['v_ssl']))  && (empty($v_letsencrypt_deleted)) && (empty($_SESSION['error_msg']))) {
        if (empty($_POST['v_ssl_crt'])) {
            $errors[] = 'ssl certificate';
        }
        if (empty($_POST['v_ssl_key'])) {
            $errors[] = 'ssl key';
        }
        if (!empty($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);
        } else {
            exec('mktemp -d', $mktemp_output, $return_var);
            $tmpdir = $mktemp_output[0];

            // Certificate
            if (!empty($_POST['v_ssl_crt'])) {
                $fp = fopen($tmpdir."/".$v_domain.".crt", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_crt']));
                fclose($fp);
            }

            // Key
            if (!empty($_POST['v_ssl_key'])) {
                $fp = fopen($tmpdir."/".$v_domain.".key", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_key']));
                fclose($fp);
            }

            // CA
            if (!empty($_POST['v_ssl_ca'])) {
                $fp = fopen($tmpdir."/".$v_domain.".ca", 'w');
                fwrite($fp, str_replace("\r\n", "\n", $_POST['v_ssl_ca']));
                fclose($fp);
            }
            exec(HESTIA_CMD."v-add-mail-domain-ssl ".$user." ".escapeshellarg($v_domain)." ".$tmpdir." 'no'", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_ssl = 'yes';
            $restart_web = 'yes';
            $restart_proxy = 'yes';

            exec(HESTIA_CMD."v-list-mail-domain-ssl ".$user." ".escapeshellarg($v_domain)." json", $output, $return_var);
            $ssl_str = json_decode(implode('', $output), true);
            unset($output);
            $v_ssl_crt = $ssl_str[$v_domain]['CRT'];
            $v_ssl_key = $ssl_str[$v_domain]['KEY'];
            $v_ssl_ca = $ssl_str[$v_domain]['CA'];
            $v_ssl_subject = $ssl_str[$v_domain]['SUBJECT'];
            $v_ssl_aliases = $ssl_str[$v_domain]['ALIASES'];
            $v_ssl_not_before = $ssl_str[$v_domain]['NOT_BEFORE'];
            $v_ssl_not_after = $ssl_str[$v_domain]['NOT_AFTER'];
            $v_ssl_signature = $ssl_str[$v_domain]['SIGNATURE'];
            $v_ssl_pub_key = $ssl_str[$v_domain]['PUB_KEY'];
            $v_ssl_issuer = $ssl_str[$v_domain]['ISSUER'];

            // Cleanup certificate tempfiles
            if (!empty($_POST['v_ssl_crt'])) {
                unlink($tmpdir."/".$v_domain.".crt");
            }
            if (!empty($_POST['v_ssl_key'])) {
                unlink($tmpdir."/".$v_domain.".key");
            }
            if (!empty($_POST['v_ssl_ca'])) {
                unlink($tmpdir."/".$v_domain.".ca");
            }
            rmdir($tmpdir);
        }
    }

    // Add SMTP Relay Support
    if (empty($_SESSION['error_msg'])) {
        if (isset($_POST['v_smtp_relay']) && !empty($_POST['v_smtp_relay_host'])) {
            if (($_POST['v_smtp_relay_host'] != $v_smtp_relay_host) ||
                ($_POST['v_smtp_relay_user'] != $v_smtp_relay_user) ||
                ($_POST['v_smtp_relay_port'] != $v_smtp_relay_port)) {
                $v_smtp_relay = true;
                $v_smtp_relay_host = escapeshellarg($_POST['v_smtp_relay_host']);
                $v_smtp_relay_user = escapeshellarg($_POST['v_smtp_relay_user']);
                $v_smtp_relay_pass = escapeshellarg($_POST['v_smtp_relay_pass']);
                if (!empty($_POST['v_smtp_relay_port'])) {
                    $v_smtp_relay_port = escapeshellarg($_POST['v_smtp_relay_port']);
                } else {
                    $v_smtp_relay_port = '587';
                }
                exec(HESTIA_CMD."v-add-mail-domain-smtp-relay ".$v_username." ".escapeshellarg($v_domain)." ".$v_smtp_relay_host." '".$v_smtp_relay_user."' '".$v_smtp_relay_pass."' ".$v_smtp_relay_port, $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
        if ((!isset($_POST['v_smtp_relay'])) && ($v_smtp_relay == true)) {
            $v_smtp_relay = false;
            $v_smtp_relay_host = $v_smtp_relay_user = $v_smtp_relay_pass = $v_smtp_relay_port = '';
            exec(HESTIA_CMD."v-delete-mail-domain-smtp-relay ".$v_username." ".escapeshellarg($v_domain), $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
        }
    }

    // Set success message
    if (empty($_SESSION['error_msg'])) {
        $_SESSION['ok_msg'] = _('Changes has been saved.');
    }
}

// Check POST request for mail account
if ((!empty($_POST['save'])) && (!empty($_GET['domain'])) && (!empty($_GET['account']))) {

    // Check token
    verify_csrf($_POST);

    // Validate email
    if ((!empty($_POST['v_send_email'])) && (empty($_SESSION['error_msg']))) {
        if (!filter_var($_POST['v_send_email'], FILTER_VALIDATE_EMAIL)) {
            $_SESSION['error_msg'] = _('Please enter valid email address.');
        }
    }

    $v_account = $_POST['v_account'];
    $v_send_email = $_POST['v_send_email'];
    $v_credentials = $_POST['v_credentials'];

    exec(HESTIA_CMD."v-list-mail-account ".$user." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." json", $output, $return_var);
    $data = json_decode(implode('', $output), true);
    check_return_code_redirect($return_var, $output, '/list/mail/');
    unset($output);

    // Change password
    if ((!empty($_POST['v_password'])) && (empty($_SESSION['error_msg']))) {
        if (!validate_password($_POST['v_password'])) {
            $_SESSION['error_msg'] = _('Password does not match the minimum requirements');
        } else {
            $v_password = tempnam("/tmp", "vst");
            $fp = fopen($v_password, "w");
            fwrite($fp, $_POST['v_password']."\n");
            fclose($fp);
            exec(HESTIA_CMD."v-change-mail-account-password ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".$v_password, $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            unlink($v_password);
            $v_password = escapeshellarg($_POST['v_password']);
        }
    }

    // Change quota
    if (($v_quota != $_POST['v_quota']) && (empty($_SESSION['error_msg']))) {
        if (empty($_POST['v_quota'])) {
            $v_quota = 0;
        } else {
            $v_quota = escapeshellarg($_POST['v_quota']);
        }
        exec(HESTIA_CMD."v-change-mail-account-quota ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".$v_quota, $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
    }
    // Change rate limit
    if (($v_rate != $_POST['v_rate']) && (empty($_SESSION['error_msg'])) && $_SESSION['userContext'] == 'admin') {
        if (empty($_POST['v_rate'])) {
            $v_rate = 'system';
        } else {
            $v_rate = escapeshellarg($_POST['v_rate']);
        }
        exec(HESTIA_CMD."v-change-mail-account-rate-limit ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".$v_rate, $output, $return_var);
        check_return_code($return_var, $output);
        if ($v_rate == 'system') {
            $v_rate = '';
        }
        unset($output);
    }

    // Change account aliases
    if (empty($_SESSION['error_msg'])) {
        $waliases = preg_replace("/\n/", " ", $_POST['v_aliases']);
        $waliases = preg_replace("/,/", " ", $waliases);
        $waliases = preg_replace('/\s+/', ' ', $waliases);
        $waliases = trim($waliases);
        $aliases = explode(" ", $waliases);
        $v_aliases = str_replace(' ', "\n", $waliases);
        $result = array_diff($valiases, $aliases);
        foreach ($result as $alias) {
            if ((empty($_SESSION['error_msg'])) && (!empty($alias))) {
                exec(HESTIA_CMD."v-delete-mail-account-alias ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".escapeshellarg($alias), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
        $result = array_diff($aliases, $valiases);
        foreach ($result as $alias) {
            if ((empty($_SESSION['error_msg'])) && (!empty($alias))) {
                exec(HESTIA_CMD."v-add-mail-account-alias ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".escapeshellarg($alias), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
    }
    // Change forwarders to :blackhole:
    if (empty($_SESSION['error_msg']) && !empty($_POST['v_blackhole'])) {
        foreach ($vfwd as $forward) {
            if ((empty($_SESSION['error_msg'])) && (!empty($forward))) {
                exec(HESTIA_CMD."v-delete-mail-account-forward ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".escapeshellarg($forward), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
            exec(HESTIA_CMD."v-add-mail-account-forward ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." :blackhole:", $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_fwd  = '';
            $v_blackhole = "yes";
        }
    }
    // Change forwarders
    if (empty($_SESSION['error_msg']) && empty($_POST['v_blackhole'])) {
        $wfwd = preg_replace("/\n/", " ", $_POST['v_fwd']);
        $wfwd = preg_replace("/,/", " ", $wfwd);
        $wfwd = preg_replace('/\s+/', ' ', $wfwd);
        $wfwd = trim($wfwd);
        $fwd = explode(" ", $wfwd);
        $v_fwd = str_replace(' ', "\n", $wfwd);
        $result = array_diff($vfwd, $fwd);
        foreach ($result as $forward) {
            if ((empty($_SESSION['error_msg'])) && (!empty($forward))) {
                exec(HESTIA_CMD."v-delete-mail-account-forward ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".escapeshellarg($forward), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
        $result = array_diff($fwd, $vfwd);
        foreach ($result as $forward) {
            if ((empty($_SESSION['error_msg'])) && (!empty($forward))) {
                exec(HESTIA_CMD."v-add-mail-account-forward ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".escapeshellarg($forward), $output, $return_var);
                check_return_code($return_var, $output);
                unset($output);
            }
        }
        $v_blackhole = "no";
    }

    // Delete FWD_ONLY flag
    if (($v_fwd_only == 'yes') && (empty($_POST['v_fwd_only'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-account-fwd-only ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account), $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_fwd_only = '';
    }

    // Add FWD_ONLY flag
    if (($v_fwd_only != 'yes') && (!empty($_POST['v_fwd_only'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-add-mail-account-fwd-only ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account), $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_fwd_only = 'yes';
    }

    // Delete autoreply
    if (($v_autoreply == 'yes') && (empty($_POST['v_autoreply'])) && (empty($_SESSION['error_msg']))) {
        exec(HESTIA_CMD."v-delete-mail-account-autoreply ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account), $output, $return_var);
        check_return_code($return_var, $output);
        unset($output);
        $v_autoreply = 'no';
        $v_autoreply_message = '';
    }

    // Add autoreply
    if ((!empty($_POST['v_autoreply'])) && (empty($_SESSION['error_msg']))) {
        if ($v_autoreply_message != str_replace("\r\n", "\n", $_POST['v_autoreply_message'])) {
            $v_autoreply_message = str_replace("\r\n", "\n", $_POST['v_autoreply_message']);
            $v_autoreply_message = escapeshellarg($v_autoreply_message);
            exec(HESTIA_CMD."v-add-mail-account-autoreply ".$v_username." ".escapeshellarg($v_domain)." ".escapeshellarg($v_account)." ".$v_autoreply_message, $output, $return_var);
            check_return_code($return_var, $output);
            unset($output);
            $v_autoreply = 'yes';
            $v_autoreply_message = $_POST['v_autoreply_message'];
        }
    }

    // Email login credentials
    if ((!empty($v_send_email)) && (empty($_SESSION['error_msg']))) {
        $to = $v_send_email;
        $subject = _("Email Credentials");
        $hostname = exec('hostname');
        $from = "noreply@".$hostname;
        $from_name = _('Hestia Control Panel');
        $mailtext = $v_credentials;
        send_email($to, $subject, $mailtext, $from, $from_name);
    }

    // Set success message
    if (empty($_SESSION['error_msg'])) {
        $_SESSION['ok_msg'] = _('Changes has been saved.');
    }
}


// Render page
if (empty($_GET['account'])) {
    // Display body for mail domain
    render_page($user, $TAB, 'edit_mail');
} else {
    // Display body for mail account
    render_page($user, $TAB, 'edit_mail_acc');
}

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