<?php

namespace FSProVendor;

/**
 * System Info handler for Section214
 *
 * @package     S214\Sysinfo
 * @since       1.1.0
 */
// Exit if accessed directly
if (!\defined('ABSPATH')) {
    exit;
}
/**
 * Section214 system info handler class
 *
 * @since       1.1.0
 */
class S214_Sysinfo
{
    /**
     * @var         string $slug The plugin slug
     * @since       1.1.0
     */
    private $slug;
    /**
     * @var         string $func The plugin slug for names
     * @since       1.1.0
     */
    private $func;
    /**
     * @var         string $ver The library version
     * @since       1.1.0
     */
    private $version;
    /**
     * Class constructor
     *
     * @access      public
     * @since       1.1.0
     * @param       string $_slug
     * @param       string $_func
     * @return      void
     */
    public function __construct($_slug, $_func, $_version)
    {
        $this->slug = $_slug;
        $this->func = $_func;
        $this->version = $_version;
        // Run action and filter hooks
        $this->hooks();
    }
    /**
     * Run action and filter hooks
     *
     * @access      private
     * @since       1.1.0
     * @return      void
     */
    private function hooks()
    {
        // Process sysinfo download
        \add_action($this->func . '_settings_download_system_info', array($this, 'download_system_info'));
    }
    /**
     * Get system info
     *
     * @access      public
     * @since       1.1.0
     * @global      object $wpdb The WordPress database object
     * @return      string $return The system info to display
     */
    public function get_system_info()
    {
        global $wpdb;
        if (!\class_exists('FSProVendor\\Browser')) {
            require_once 'browser.php';
        }
        $browser = new \FSProVendor\Browser();
        // Get theme info
        if (\get_bloginfo('version') < '3.4') {
            $theme_data = \get_theme_data(\get_stylesheet_directory() . '/style.css');
            $theme = $theme_data['Name'] . ' ' . $theme_data['Version'];
        } else {
            $theme_data = \wp_get_theme();
            $theme = $theme_data->Name . ' ' . $theme_data->Version;
        }
        // Try to identify the hosting provider
        $host = $this->get_host();
        $return = '### Begin System Info ###' . "\n\n";
        // Start with the basics...
        $return .= '-- Site Info' . "\n\n";
        $return .= 'Site URL:                 ' . \site_url() . "\n";
        $return .= 'Home URL:                 ' . \home_url() . "\n";
        $return .= 'Multisite:                ' . (\is_multisite() ? 'Yes' : 'No') . "\n";
        $return = \apply_filters($this->func . '_sysinfo_after_site_info', $return);
        // Can we determine the site's host?
        if ($host) {
            $return .= "\n" . '-- Hosting Provider' . "\n\n";
            $return .= 'Host:                     ' . $host . "\n";
            $return = \apply_filters($this->func . '_sysinfo_after_host_info', $return);
        }
        // The local users' browser information, handled by the Browser class
        $return .= "\n" . '-- User Browser' . "\n\n";
        $return .= $browser;
        $return = \apply_filters($this->func . '_sysinfo_after_user_browser', $return);
        // WordPress configuration
        $return .= "\n" . '-- WordPress Configuration' . "\n\n";
        $return .= 'Version:                  ' . \get_bloginfo('version') . "\n";
        $return .= 'Language:                 ' . (\defined('FSProVendor\\WPLANG') && \FSProVendor\WPLANG ? \FSProVendor\WPLANG : 'en_US') . "\n";
        $return .= 'Permalink Structure:      ' . (\get_option('permalink_structure') ? \get_option('permalink_structure') : 'Default') . "\n";
        $return .= 'Active Theme:             ' . $theme . "\n";
        $return .= 'Show On Front:            ' . \get_option('show_on_front') . "\n";
        // Only show page specs if frontpage is set to 'page'
        if (\get_option('show_on_front') == 'page') {
            $front_page_id = \get_option('page_on_front');
            $blog_page_id = \get_option('page_for_posts');
            $return .= 'Page On Front:            ' . ($front_page_id != 0 ? \get_the_title($front_page_id) . ' (#' . $front_page_id . ')' : 'Unset') . "\n";
            $return .= 'Page For Posts:           ' . ($blog_page_id != 0 ? \get_the_title($blog_page_id) . ' (#' . $blog_page_id . ')' : 'Unset') . "\n";
        }
        // Make sure wp_remote_post() is working
        $request['cmd'] = '_notify-validate';
        $params = array('sslverify' => \false, 'timeout' => 60, 'user-agent' => 'S214-Settings/' . $this->version, 'body' => $request);
        $response = \wp_remote_post('https://www.paypal.com/cgi-bin/webscr', $params);
        if (!\is_wp_error($response) && $response['response']['code'] >= 200 && $response['response']['code'] < 300) {
            $WP_REMOTE_POST = 'wp_remote_post() works';
        } else {
            $WP_REMOTE_POST = 'wp_remote_post() does not work';
        }
        $return .= 'Remote Post:              ' . $WP_REMOTE_POST . "\n";
        $return .= 'Table Prefix:             ' . 'Length: ' . \strlen($wpdb->prefix) . '   Status: ' . (\strlen($wpdb->prefix) > 16 ? 'ERROR: Too long' : 'Acceptable') . "\n";
        $return .= 'WP_DEBUG:                 ' . (\defined('WP_DEBUG') ? \WP_DEBUG ? 'Enabled' : 'Disabled' : 'Not set') . "\n";
        $return .= 'Memory Limit:             ' . \WP_MEMORY_LIMIT . "\n";
        $return .= 'Registered Post Stati:    ' . \implode(', ', \get_post_stati()) . "\n";
        $return = \apply_filters($this->func . '_sysinfo_after_wordpress_config', $return);
        // Get plugins that have an update
        $updates = \get_plugin_updates();
        // Must-use plugins
        // NOTE: MU plugins can't show updates!
        $muplugins = \get_mu_plugins();
        if (\count($muplugins > 0)) {
            $return .= "\n" . '-- Must-Use Plugins' . "\n\n";
            foreach ($muplugins as $plugin => $plugin_data) {
                $return .= $plugin_data['Name'] . ': ' . $plugin_data['Version'] . "\n";
            }
            $return = \apply_filters($this->func . '_sysinfo_after_wordpress_mu_plugins', $return);
        }
        // WordPress active plugins
        $return .= "\n" . '-- WordPress Active Plugins' . "\n\n";
        $plugins = \get_plugins();
        $active_plugins = \get_option('active_plugins', array());
        foreach ($plugins as $plugin_path => $plugin) {
            if (!\in_array($plugin_path, $active_plugins)) {
                continue;
            }
            $update = \array_key_exists($plugin_path, $updates) ? ' (needs update - ' . $updates[$plugin_path]->update->new_version . ')' : '';
            $return .= $plugin['Name'] . ': ' . $plugin['Version'] . $update . "\n";
        }
        $return = \apply_filters($this->func . '_sysinfo_after_wordpress_plugins', $return);
        // WordPress inactive plugins
        $return .= "\n" . '-- WordPress Inactive Plugins' . "\n\n";
        foreach ($plugins as $plugin_path => $plugin) {
            if (\in_array($plugin_path, $active_plugins)) {
                continue;
            }
            $update = \array_key_exists($plugin_path, $updates) ? ' (needs update - ' . $updates[$plugin_path]->update->new_version . ')' : '';
            $return .= $plugin['Name'] . ': ' . $plugin['Version'] . $update . "\n";
        }
        $return = \apply_filters($this->func . '_sysinfo_after_wordpress_plugins_inactive', $return);
        if (\is_multisite()) {
            // WordPress Multisite active plugins
            $return .= "\n" . '-- Network Active Plugins' . "\n\n";
            $plugins = \wp_get_active_network_plugins();
            $active_plugins = \get_site_option('active_sitewide_plugins', array());
            foreach ($plugins as $plugin_path) {
                $plugin_base = \plugin_basename($plugin_path);
                if (!\array_key_exists($plugin_base, $active_plugins)) {
                    continue;
                }
                $update = \array_key_exists($plugin_path, $updates) ? ' (needs update - ' . $updates[$plugin_path]->update->new_version . ')' : '';
                $plugin = \get_plugin_data($plugin_path);
                $return .= $plugin['Name'] . ': ' . $plugin['Version'] . $update . "\n";
            }
            $return = \apply_filters($this->func . '_sysinfo_after_wordpress_ms_plugins', $return);
        }
        // Server configuration (really just versioning)
        $return .= "\n" . '-- Webserver Configuration' . "\n\n";
        $return .= 'PHP Version:              ' . \PHP_VERSION . "\n";
        $return .= 'MySQL Version:            ' . $wpdb->db_version() . "\n";
        $return .= 'Webserver Info:           ' . $_SERVER['SERVER_SOFTWARE'] . "\n";
        $return = \apply_filters($this->func . '_sysinfo_after_webserver_config', $return);
        // PHP configs... now we're getting to the important stuff
        $return .= "\n" . '-- PHP Configuration' . "\n\n";
        $return .= 'Safe Mode:                ' . (\ini_get('safe_mode') ? 'Enabled' : 'Disabled' . "\n");
        $return .= 'Memory Limit:             ' . \ini_get('memory_limit') . "\n";
        $return .= 'Upload Max Size:          ' . \ini_get('upload_max_filesize') . "\n";
        $return .= 'Post Max Size:            ' . \ini_get('post_max_size') . "\n";
        $return .= 'Upload Max Filesize:      ' . \ini_get('upload_max_filesize') . "\n";
        $return .= 'Time Limit:               ' . \ini_get('max_execution_time') . "\n";
        $return .= 'Max Input Vars:           ' . \ini_get('max_input_vars') . "\n";
        $return .= 'Display Errors:           ' . (\ini_get('display_errors') ? 'On (' . \ini_get('display_errors') . ')' : 'N/A') . "\n";
        $return = \apply_filters($this->func . '_sysinfo_after_php_config', $return);
        // PHP extensions and such
        $return .= "\n" . '-- PHP Extensions' . "\n\n";
        $return .= 'cURL:                     ' . (\function_exists('curl_init') ? 'Supported' : 'Not Supported') . "\n";
        $return .= 'fsockopen:                ' . (\function_exists('fsockopen') ? 'Supported' : 'Not Supported') . "\n";
        $return .= 'SOAP Client:              ' . (\class_exists('SoapClient') ? 'Installed' : 'Not Installed') . "\n";
        $return .= 'Suhosin:                  ' . (\extension_loaded('suhosin') ? 'Installed' : 'Not Installed') . "\n";
        $return = \apply_filters($this->func . '_sysinfo_after_php_ext', $return);
        $return .= "\n" . '### End System Info ###';
        return $return;
    }
    /**
     * Generates a System Info download file
     *
     * @param       public
     * @since       1.1.0
     * @return      void
     */
    public function download_system_info()
    {
        \nocache_headers();
        \header('Content-Type: text/plain');
        \header('Content-Disposition: attachment; filename="' . $this->slug . '-system-info.txt"');
        echo \wp_strip_all_tags($this->get_system_info());
        die;
    }
    /**
     * Get AJAX URL
     *
     * @access      public
     * @since       1.1.0
     * @return      string URL to the AJAX file to call during AJAX requests.
     */
    function get_ajax_url()
    {
        $scheme = \defined('FORCE_SSL_ADMIN') && \FORCE_SSL_ADMIN ? 'https' : 'admin';
        $current_url = $this->get_current_page_url();
        $ajax_url = \admin_url('admin-ajax.php', $scheme);
        if (\preg_match('/^https/', $current_url) && !\preg_match('/^https/', $ajax_url)) {
            $ajax_url = \preg_replace('/^http/', 'https', $ajax_url);
        }
        return \apply_filters($this->func . '_ajax_url', $ajax_url);
    }
    /**
     * Get the current page URL
     *
     * @access      public
     * @since       1.1.0
     * @param       bool $nocache If we should bust cache on the returned URL
     * @return      string $page_url Current page URL
     */
    function get_current_page_url($nocache = \false)
    {
        global $wp;
        if (\get_option('permalink_structure')) {
            $base = \trailingslashit(\home_url($wp->request));
        } else {
            $base = \add_query_arg($wp->query_string, '', \trailingslashit(\home_url($wp->request)));
            $base = \remove_query_arg(array('post_type', 'name'), $base);
        }
        $scheme = \is_ssl() ? 'https' : 'http';
        $uri = \set_url_scheme($base, $scheme);
        if (\is_front_page()) {
            $uri = \home_url('/');
        }
        $uri = \apply_filters($this->func . '_get_current_page_url', $uri);
        if ($nocache) {
            $uri = $this->add_cache_busting($uri);
        }
        return $uri;
    }
    /**
     * Adds the 'nocache' parameter to the provided URL
     *
     * @access      public
     * @since       1.1.0
     * @param       string $url The URL being requested
     * @return      string The URL with cache busting added or not
     */
    function add_cache_busting($url = '')
    {
        if ($this->is_caching_plugin_active()) {
            $url = \add_query_arg('nocache', 'true', $url);
        }
        return $url;
    }
    /**
     * Checks if a caching plugin is active
     *
     * @access      public
     * @since       1.1.0
     * @return      bool $caching True if caching plugin is enabled, false otherwise
     */
    function is_caching_plugin_active()
    {
        $caching = \function_exists('FSProVendor\\wpsupercache_site_admin') || \defined('FSProVendor\\W3TC') || \function_exists('FSProVendor\\rocket_init');
        return \apply_filters($this->func . '_is_caching_plugin_active', $caching);
    }
    /**
     * Get user host
     *
     * @access      public
     * @since       1.1.0
     * @return      mixed string $host if detected, fallback data otherwise
     */
    function get_host()
    {
        if (\defined('FSProVendor\\WPE_APIKEY')) {
            $host = 'WP Engine';
        } elseif (\defined('FSProVendor\\PAGELYBIN')) {
            $host = 'Pagely';
        } elseif (\FSProVendor\DB_HOST == 'localhost:/tmp/mysql5.sock') {
            $host = 'ICDSoft';
        } elseif (\FSProVendor\DB_HOST == 'mysqlv5') {
            $host = 'NetworkSolutions';
        } elseif (\strpos(\FSProVendor\DB_HOST, 'ipagemysql.com') !== \false) {
            $host = 'iPage';
        } elseif (\strpos(\FSProVendor\DB_HOST, 'ipowermysql.com') !== \false) {
            $host = 'IPower';
        } elseif (\strpos(\FSProVendor\DB_HOST, '.gridserver.com') !== \false) {
            $host = 'MediaTemple Grid';
        } elseif (\strpos(\FSProVendor\DB_HOST, '.pair.com') !== \false) {
            $host = 'pair Networks';
        } elseif (\strpos(\FSProVendor\DB_HOST, '.stabletransit.com') !== \false) {
            $host = 'Rackspace Cloud';
        } elseif (\strpos(\FSProVendor\DB_HOST, '.sysfix.eu') !== \false) {
            $host = 'SysFix.eu Power Hosting';
        } elseif (\strpos($_SERVER['SERVER_NAME'], 'Flywheel') !== \false) {
            $host = 'Flywheel';
        } else {
            // Adding a general fallback for data gathering
            $host = 'DBH: ' . \FSProVendor\DB_HOST . ', SRV: ' . $_SERVER['SERVER_NAME'];
        }
        return $host;
    }
    /**
     * Get user IP
     *
     * @access      public
     * @since       1.1.0
     * @return      string $ip User's IP address
     */
    function get_ip()
    {
        $ip = '127.0.0.1';
        if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
            // Check if IP is from share internet
            $ip = $_SERVER['HTTP_CLIENT_IP'];
        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            // Check if IP is passed from proxy
            $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
            $ip = $_SERVER['REMOTE_ADDR'];
        }
        return \apply_filters($this->func . '_get_ip', $ip);
    }
}