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<?php

defined('ABSPATH') or die("you do not have access to this page!");
if (!function_exists('rsssl_user_can_manage')) {
    function rsssl_user_can_manage()
    {
        if (!is_user_logged_in()) {
            return false;
        }
        if (!current_user_can('manage_options')) {
            return false;
        }
        return true;
    }
}
function rsssl_dns_verification_required()
{
    if (!rsssl_do_local_lets_encrypt_generation()) {
        return false;
    }
    if (get_option('rsssl_verification_type') === 'DNS') {
        return true;
    }
    if (rsssl_wildcard_certificate_required()) {
        return true;
    }
    return false;
}
if (!function_exists('rsssl_is_cpanel')) {
    function rsssl_is_cpanel()
    {
        if (get_option('rsssl_force_cpanel')) {
            return true;
        }
        $open_basedir = ini_get("open_basedir");
        if (empty($open_basedir) && file_exists("/usr/local/cpanel")) {
            return true;
        } else {
            if (rsssl_check_port(2082)) {
                return true;
            } else {
                return false;
            }
        }
    }
}
if (!function_exists('rsssl_cpanel_api_supported')) {
    function rsssl_cpanel_api_supported()
    {
        return rsssl_is_cpanel() && file_exists("/usr/local/cpanel/php/cpanel.php");
    }
}
if (!function_exists('rsssl_activated_by_default')) {
    function rsssl_activated_by_default()
    {
        $activated_by_default = false;
        $activated_by_default_hosts = RSSSL_LE()->config->activated_by_default;
        $current_host = rsssl_get_other_host();
        if (in_array($current_host, $activated_by_default_hosts)) {
            $activated_by_default = true;
        }
        return $activated_by_default;
    }
}
if (!function_exists('rsssl_activation_required')) {
    function rsssl_activation_required()
    {
        $dashboard_activation_required = false;
        $dashboard_activation_required_hosts = RSSSL_LE()->config->dashboard_activation_required;
        $current_host = rsssl_get_other_host();
        if (in_array($current_host, $dashboard_activation_required_hosts)) {
            $dashboard_activation_required = true;
        }
        return $dashboard_activation_required;
    }
}
if (!function_exists('rsssl_paid_only')) {
    function rsssl_paid_only()
    {
        $paid_only = false;
        $paid_only_hosts = RSSSL_LE()->config->paid_only;
        $current_host = rsssl_get_other_host();
        if (in_array($current_host, $paid_only_hosts)) {
            $paid_only = true;
        }
        return $paid_only;
    }
}
if (!function_exists('rsssl_is_plesk')) {
    function rsssl_is_plesk()
    {
        if (get_option('rsssl_force_plesk')) {
            return true;
        }
        if (get_option('rsssl_hosting_dashboard') === 'plesk') {
            return true;
        }
        if (rsssl_is_cpanel()) {
            return false;
        }
        $open_basedir = ini_get("open_basedir");
        if (empty($open_basedir) && is_dir('/usr/local/psa')) {
            return true;
        } else {
            if (rsssl_check_port(8443)) {
                return true;
            } else {
                return false;
            }
        }
    }
}
if (!function_exists('rsssl_is_directadmin')) {
    function rsssl_is_directadmin()
    {
        if (get_option('rsssl_force_directadmin')) {
            return true;
        }
        if (get_option('rsssl_hosting_dashboard') === 'directadmin') {
            return true;
        }
        if (rsssl_is_cpanel()) {
            return false;
        }
        if (rsssl_is_plesk()) {
            return false;
        }
        if (rsssl_check_port(2222)) {
            return true;
        } else {
            return false;
        }
    }
}
function rsssl_check_port($port)
{
    $port_check_status = get_option("rsssl_port_check_{$port}");
    if (!function_exists('fsockopen') || $port_check_status === 'fail') {
        return false;
    }
    $ipAddress = gethostbyname('localhost');
    $link = @fsockopen($ipAddress, $port, $errno, $error, 5);
    if ($link) {
        update_option("rsssl_port_check_{$port}", 'success');
        return true;
    }
    update_option("rsssl_port_check_{$port}", 'fail');
    return false;
}
if (!function_exists('rsssl_get_other_host')) {
    function rsssl_get_other_host()
    {
        return rsssl_get_value('other_host_type', false);
    }
}
if (!function_exists('rsssl_progress_add')) {
    function rsssl_progress_add($item)
    {
        $progress = get_option("rsssl_le_installation_progress", array());
        if (!in_array($item, $progress)) {
            $progress[] = $item;
            update_option("rsssl_le_installation_progress", $progress);
        }
    }
}
if (!function_exists('rsssl_uses_known_dashboard')) {
    function rsssl_uses_known_dashboard()
    {
        if (rsssl_is_cpanel() || rsssl_is_plesk() || rsssl_is_directadmin()) {
            return true;
        } else {
            return false;
        }
    }
}
if (!function_exists('rsssl_is_ready_for')) {
    function rsssl_is_ready_for($item)
    {
        if (!rsssl_do_local_lets_encrypt_generation()) {
            rsssl_progress_add('directories');
            rsssl_progress_add('generation');
            rsssl_progress_add('dns-verification');
        }
        if (!rsssl_dns_verification_required()) {
            rsssl_progress_add('dns-verification');
        }
        if (empty(rsssl_get_not_completed_steps($item))) {
            return true;
        } else {
            return false;
        }
    }
}
function rsssl_get_not_completed_steps($item)
{
    $sequence = array_column(RSSSL_LE()->config->steps['lets-encrypt'], 'id');
    $index = array_search($item, $sequence);
    $sequence = array_slice($sequence, 0, $index, true);
    $not_completed = array();
    $finished = get_option("rsssl_le_installation_progress", array());
    foreach ($sequence as $status) {
        if (!in_array($status, $finished)) {
            $not_completed[] = $status;
        }
    }
    return $not_completed;
}
if (!function_exists('rsssl_progress_remove')) {
    function rsssl_progress_remove($item)
    {
        $progress = get_option("rsssl_le_installation_progress", array());
        if (in_array($item, $progress)) {
            $index = array_search($item, $progress);
            unset($progress[$index]);
            update_option("rsssl_le_installation_progress", $progress);
        }
    }
}
if (!function_exists('rsssl_php_requirement_met')) {
    function rsssl_php_requirement_met()
    {
        if (version_compare(PHP_VERSION, rsssl_le_php_version, '<')) {
            rsssl_progress_remove('system-status');
            $action = 'stop';
            $status = 'error';
            $message = sprintf(__("The minimum requirements for the PHP version have not been met. Please upgrade to %s", "really-simple-ssl"), rsssl_le_php_version);
        } else {
            $action = 'continue';
            $status = 'success';
            $message = __("You have the required PHP version to continue.", "really-simple-ssl");
        }
        return new RSSSL_RESPONSE($status, $action, $message);
    }
}
if (!function_exists('rsssl_get_value')) {
    function rsssl_get_value($fieldname, $use_default = true)
    {
        $default = false;
        $fields = get_option('rsssl_options_lets-encrypt');
        if ($use_default) {
            if (!isset(RSSSL_LE()->config->fields[$fieldname])) {
                return false;
            }
            $default = isset(RSSSL_LE()->config->fields[$fieldname]['default']) ? RSSSL_LE()->config->fields[$fieldname]['default'] : '';
        }
        $value = isset($fields[$fieldname]) ? $fields[$fieldname] : $default;
        return $value;
    }
}
if (!function_exists('rsssl_do_local_lets_encrypt_generation')) {
    function rsssl_do_local_lets_encrypt_generation()
    {
        $not_local_cert_hosts = RSSSL_LE()->config->not_local_certificate_hosts;
        $current_host = rsssl_get_other_host();
        if (in_array($current_host, $not_local_cert_hosts)) {
            return false;
        }
        return true;
    }
}
function rsssl_get_manual_instructions_text($url)
{
    $default_url = 'https://really-simple-ssl.com/install-ssl-certificate';
    $dashboard_activation_required = rsssl_activation_required();
    $activated_by_default = rsssl_activated_by_default();
    $paid_only = rsssl_paid_only();
    $button_activate = '<br><a href="' . $default_url . '" target="_blank" class="button button-primary">' . __("Instructions", "really-simple-ssl") . '</a>&nbsp;&nbsp;';
    $button_complete = '<br><a href="' . $default_url . '" target="_blank" class="button button-primary">' . __("Instructions", "really-simple-ssl") . '</a>&nbsp;&nbsp;';
    if ($url === $default_url) {
        $complete_manually = sprintf(__("Please complete manually in your hosting dashboard.", "really-simple-ssl"), '<a target="_blank" href="' . $url . '">', '</a>');
        $activate_manually = sprintf(__("Please activate it manually on your hosting dashboard.", "really-simple-ssl"), '<a target="_blank" href="' . $url . '">', '</a>');
    } else {
        $complete_manually = sprintf(__("Please complete %smanually%s", "really-simple-ssl"), '<a target="_blank" href="' . $url . '">', '</a>');
        $activate_manually = sprintf(__("Please activate it on your dashboard %smanually%s", "really-simple-ssl"), '<a target="_blank" href="' . $url . '">', '</a>');
        $button_activate .= '<a href="' . $url . '" target="_blank" class="button button-primary">' . __("Go to activation", "really-simple-ssl") . '</a>';
        $button_complete .= '<a href="' . $url . '" target="_blank" class="button button-primary">' . __("Go to installation", "really-simple-ssl") . '</a>';
    }
    if ($activated_by_default) {
        $msg = sprintf(__("According to our information, your hosting provider supplies your account with an SSL certificate by default. Please contact your %shosting support%s if this is not the case.", "really-simple-ssl"), '<a target="_blank" href="' . $url . '">', '</a>') . '&nbsp' . __("After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl");
    } else {
        if ($dashboard_activation_required) {
            $msg = __("You already have free SSL on your hosting environment.", "really-simple-ssl") . '&nbsp' . $activate_manually . ' ' . __("After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl") . $button_activate;
        } else {
            if ($paid_only) {
                $msg = sprintf(__("According to our information, your hosting provider does not allow any kind of SSL installation, other then their own paid certificate. For an alternative hosting provider with SSL, see this %sarticle%s.", "really-simple-ssl"), '<a target="_blank" href="https://really-simple-ssl.com/hosting-providers-with-free-ssl">', '</a>');
            } else {
                $msg = __("Your hosting environment does not allow automatic SSL installation.", "really-simple-ssl") . ' ' . $complete_manually . ' ' . sprintf(__("You can follow these %sinstructions%s.", "really-simple-ssl"), '<a target="_blank" href="' . $default_url . '">', '</a>') . '&nbsp' . __("After completing the installation, you can continue to the next step to complete your configuration.", "really-simple-ssl") . $button_complete;
            }
        }
    }
    return $msg;
}
if (!function_exists('rsssl_notice')) {
    function rsssl_notice($msg, $type = 'notice', $remove_after_change = false, $echo = true, $condition = false)
    {
        if ($msg == '') {
            return;
        }
        $condition_check = "";
        $condition_question = "";
        $condition_answer = "";
        $rsssl_hidden = "";
        if ($condition) {
            $condition_check = "condition-check";
            $condition_question = "data-condition-question='{$condition['question']}'";
            $condition_answer = "data-condition-answer='{$condition['answer']}'";
            $args['condition'] = array($condition['question'] => $condition['answer']);
            $rsssl_hidden = rsssl_field::this()->condition_applies($args) ? "" : "rsssl-hidden";
        }
        $remove_after_change_class = $remove_after_change ? "rsssl-remove-after-change" : "";
        $html = "<div class='rsssl-panel-wrap'><div class='rsssl-panel rsssl-notification rsssl-{$type} {$remove_after_change_class} {$rsssl_hidden} {$condition_check}' {$condition_question} {$condition_answer}><div>{$msg}</div></div></div>";
        if ($echo) {
            echo $html;
        } else {
            return $html;
        }
    }
}
if (!function_exists('rsssl_sidebar_notice')) {
    function rsssl_sidebar_notice($msg, $type = 'notice', $echo = true, $condition = false)
    {
        if ($msg == '') {
            return;
        }
        $condition_check = "";
        $condition_question = "";
        $condition_answer = "";
        $rsssl_hidden = "";
        if ($condition) {
            $condition_check = "condition-check";
            $condition_question = "data-condition-question='{$condition['question']}'";
            $condition_answer = "data-condition-answer='{$condition['answer']}'";
            $args['condition'] = array($condition['question'] => $condition['answer']);
            $rsssl_hidden = rsssl_field::this()->condition_applies($args) ? "" : "rsssl-hidden";
        }
        $html = "<div class='rsssl-help-modal rsssl-notice rsssl-{$type} {$rsssl_hidden} {$condition_check}' {$condition_question} {$condition_answer}>{$msg}</div>";
        if ($echo) {
            echo $html;
        } else {
            return $html;
        }
    }
}
if (!function_exists('rsssl_read_more')) {
    function rsssl_read_more($url, $add_space = true)
    {
        $html = sprintf(__("For more information on this subject, please read this %sarticle%s", 'really-simple-ssl'), '<a target="_blank" href="' . $url . '">', '</a>');
        if ($add_space) {
            $html = '&nbsp;' . $html;
        }
        return $html;
    }
}
register_activation_hook(__FILE__, 'rsssl_set_activation_time_stamp');
if (!function_exists('rsssl_set_activation_time_stamp')) {
    function rsssl_set_activation_time_stamp($networkwide)
    {
        update_option('rsssl_activation_time', time());
    }
}
if (!function_exists('rsssl_array_filter_multidimensional')) {
    function rsssl_array_filter_multidimensional($array, $filter_key, $filter_value)
    {
        $new = array_filter($array, function ($var) use($filter_value, $filter_key) {
            return isset($var[$filter_key]) ? $var[$filter_key] == $filter_value : false;
        });
        return $new;
    }
}
if (!function_exists('rsssl_is_subdomain')) {
    function rsssl_is_subdomain()
    {
        $domain = rsssl_get_domain();
        if (strpos($domain, 'www.') !== false) {
            return false;
        }
        $root = rsssl_get_root_domain($domain);
        if ($root === $domain) {
            return false;
        } else {
            return true;
        }
    }
}
if (!function_exists('rsssl_get_subdomain')) {
    function rsssl_get_root_domain($domain)
    {
        $sub = strtolower(trim($domain));
        $count = substr_count($sub, '.');
        if ($count === 2) {
            if (strlen(explode('.', $sub)[1]) > 3) {
                $sub = explode('.', $sub, 2)[1];
            }
        } else {
            if ($count > 2) {
                $sub = rsssl_get_root_domain(explode('.', $sub, 2)[1]);
            }
        }
        return $sub;
    }
}
if (!function_exists('rsssl_get_domain')) {
    function rsssl_get_domain()
    {
        $domain = site_url();
        $parse = parse_url($domain);
        $domain = $parse['host'];
        $domain = str_replace(array('http://', 'https://'), '', $domain);
        return $domain;
    }
}
function rsssl_insert_after_key($array, $key, $items)
{
    $keys = array_keys($array);
    $key = array_search($key, $keys);
    $array = array_slice($array, 0, $key, true) + $items + array_slice($array, 3, count($array) - 3, true);
    return $array;
}
if (!function_exists('rsssl_wildcard_certificate_required')) {
    function rsssl_wildcard_certificate_required()
    {
        if (get_option('rsssl_verification_type') === 'DNS') {
            return true;
        }
        if (!is_multisite()) {
            return false;
        } else {
            if (defined('SUBDOMAIN_INSTALL') && SUBDOMAIN_INSTALL) {
                return true;
            } else {
                return false;
            }
        }
    }
}
if (!function_exists('rsssl_maybe_drop_subdomain_test')) {
    function rsssl_maybe_drop_subdomain_test($steps)
    {
        if (is_multisite()) {
            $index = array_search('system-status', array_column($steps['lets-encrypt'], 'id'));
            $index++;
            $actions = $steps['lets-encrypt'][$index]['actions'];
            $sub_index = array_search('is_subdomain_setup', array_column($actions, 'action'));
            unset($actions[$sub_index]);
            $steps['lets-encrypt'][$index]['actions'] = $actions;
        }
        return $steps;
    }
    add_filter('rsssl_steps', 'rsssl_maybe_drop_subdomain_test', 20);
}
if (!function_exists('rsssl_can_install_shell_addon')) {
    function rsssl_can_install_shell_addon()
    {
        if (!rsssl_is_cpanel()) {
            return false;
        }
        if (defined('rsssl_shell_path')) {
            return false;
        }
        if (function_exists('shell_exec') || function_exists('system') || function_exists('passthru') || function_exists('exec')) {
            return true;
        } else {
            return false;
        }
    }
}
if (!function_exists('rsssl_generated_by_rsssl')) {
    function rsssl_generated_by_rsssl()
    {
        return get_option('rsssl_le_certificate_generated_by_rsssl');
    }
}