/home/edulekha/www/wp-content/plugins/wp-slimstat/src/Services/Browscap.php
<?php
namespace SlimStat\Services;
use Exception;
use SlimStat\Dependencies\League\Flysystem\Filesystem;
use SlimStat\Dependencies\League\Flysystem\Local\LocalFilesystemAdapter;
use SlimStat\Dependencies\MatthiasMullie\Scrapbook\Adapters\Flysystem;
use SlimStat\Dependencies\MatthiasMullie\Scrapbook\Psr16\SimpleCache;
use SlimStat\Dependencies\Psr\Log\NullLogger;
use SlimStat\Utils\UADetector;
use wp_slimstat;
use wp_slimstat_admin;
class Browscap
{
// Path to the Browscap data and library
public static $browscap_local_version = 0;
public static function init()
{
// Determine the local version of the data file
if (file_exists(wp_slimstat::$upload_dir . '/browscap-cache-master/version.txt')) {
self::$browscap_local_version = @file_get_contents(wp_slimstat::$upload_dir . '/browscap-cache-master/version.txt');
if (false === self::$browscap_local_version) {
return [4, __('The Browscap Cache folder could not be opened on your filesystem. Please check your server permissions and try again.', 'wp-slimstat')];
} else {
self::$browscap_local_version = trim(self::$browscap_local_version);
}
}
self::update_browscap_database(false);
// require_once( plugin_dir_path( __FILE__ ) . 'browscap-php/composer/autoload_real.php' );
return null;
}
/**
* Converts the USER AGENT string into a more user-friendly browser data structure, with name, version and operating system
*/
public static function get_browser($_user_agent = '')
{
$browser = [
'browser' => 'Default Browser',
'browser_version' => '',
'browser_type' => 0,
'platform' => 'unknown',
'user_agent' => self::_get_user_agent(),
];
if (empty($browser['user_agent'])) {
return $browser;
}
if ('on' == wp_slimstat::$settings['enable_browscap'] && PHP_VERSION_ID >= 70400) {
$browser = self::get_browser_from_browscap($browser, wp_slimstat::$upload_dir . '/browscap-cache-master/');
}
if ('Default Browser' == $browser['browser']) {
$browser = UADetector::get_browser($browser['user_agent']);
} elseif (empty($browser['browser_version'])) {
$browser_version = UADetector::get_browser($browser['user_agent']);
$browser['browser_version'] = $browser_version['browser_version'];
}
// Let third-party tools manipulate the data
$browser = apply_filters('slimstat_filter_browscap', $browser);
return $browser;
}
// end get_browser
public static function get_browser_from_browscap($_browser = [], $_cache_path = '')
{
try {
$file_cache = new LocalFilesystemAdapter($_cache_path);
$filesystem = new Filesystem($file_cache);
$cache = new SimpleCache(
new Flysystem($filesystem)
);
$logger = new NullLogger();
$browscap = new \SlimStat\Dependencies\BrowscapPHP\Browscap($cache, $logger);
$search_object = $browscap->getBrowser();
} catch (Exception $exception) {
$search_object = '';
}
if (is_object($search_object) && 'Default Browser' != $search_object->browser && 'unknown' != $search_object->browser) {
$_browser['browser'] = $search_object->browser;
$_browser['browser_version'] = floatval($search_object->version);
$_browser['platform'] = strtolower($search_object->platform);
// Browser Types:
// 0: default (desktop, not touch)
// 1: crawler
// 2: mobile
// 3: touch, not mobile
if ($search_object->crawler) {
$_browser['browser_type'] = 1;
} elseif ($search_object->ismobiledevice || $search_object->istablet) {
$_browser['browser_type'] = 2;
} elseif (false !== stripos($search_object->device_pointing_method, 'touch')) {
$_browser['browser_type'] = 3;
}
}
return $_browser;
}
/**
* Downloads the Browscap User Agent database from our repository
*/
public static function update_browscap_database($_force_download = false)
{
if (defined('DOING_AJAX') && DOING_AJAX) {
return [2, __('No updates are performed during AJAX requests.', 'wp-slimstat')];
}
if (defined('FS_METHOD') && FS_METHOD != 'direct') {
return [3, __('Please set your <code>FS_METHOD</code> variable to "direct" in your wp-config.php file, or contact our support to obtain a copy of our Browscap Library.', 'wp-slimstat')];
}
// Create the folder, if it doesn't exist
if (!file_exists(wp_slimstat::$upload_dir)) {
wp_slimstat::create_upload_directory();
}
$download_remote_file = $_force_download;
$current_timestamp = intval(date('U'));
$browscap_zip = wp_slimstat::$upload_dir . '/browscap-db.zip';
if (empty(wp_slimstat::$settings['browscap_last_modified'])) {
if (file_exists(wp_slimstat::$upload_dir . '/browscap-cache-master/version.txt')) {
$file_stat = @stat(wp_slimstat::$upload_dir . '/browscap-cache-master/version.txt');
if (false !== $file_stat) {
wp_slimstat::$settings['browscap_last_modified'] = intval($file_stat['mtime']);
}
}
// The variable could be still empty if the file does not exist or stat failed to open it
if (empty(wp_slimstat::$settings['browscap_last_modified'])) {
wp_slimstat::$settings['browscap_last_modified'] = $current_timestamp;
}
}
// Check for updates once a week ( 604800 seconds ), if $_force_download is not true
if (file_exists(wp_slimstat::$upload_dir . '/browscap-cache-master/version.txt')) {
if ($current_timestamp - wp_slimstat::$settings['browscap_last_modified'] > 604800) {
// No matter what the outcome is, we'll check again in one week
wp_slimstat::$settings['browscap_last_modified'] = $current_timestamp;
wp_slimstat::update_option('slimstat_options', wp_slimstat::$settings);
// Now check the version number on the server
$response = wp_remote_get('https://raw.githubusercontent.com/slimstat/browscap-cache/master/version.txt');
if (!is_array($response) || is_wp_error($response) || 200 != wp_remote_retrieve_response_code($response)) {
return [5, __('There was an error checking the remote library version. Please try again later.', 'wp-slimstat')];
}
$download_remote_file = (self::$browscap_local_version != trim(wp_remote_retrieve_body($response)));
} else {
return [0, __('Your version of the library does not need to be updated.', 'wp-slimstat')];
}
}
// Download the most recent version of our pre-processed Browscap database
if ($download_remote_file) {
$response = wp_safe_remote_get('https://github.com/slimstat/browscap-cache/archive/master.zip', ['timeout' => 300, 'stream' => true, 'filename' => $browscap_zip]);
if (!file_exists($browscap_zip)) {
return [6, __('There was an error saving the Browscap data file on your server. Please check your folder permissions.', 'wp-slimstat')];
}
if (is_wp_error($response) || 200 != wp_remote_retrieve_response_code($response)) {
@unlink($browscap_zip);
return [7, __('There was an error downloading the Browscap data file from our server. Please try again later.', 'wp-slimstat')];
}
// Delete the folder, if it exists
wp_slimstat_admin::rmdir(wp_slimstat::$upload_dir . '/browscap-cache-master/');
// We're ready to unzip the file
$result = unzip_file($browscap_zip, wp_slimstat::$upload_dir);
if (is_wp_error($result)) {
return [9, __('There was an error uncompressing the Browscap data file on your server. Please check your folder permissions and PHP configuration.', 'wp-slimstat')];
}
@unlink($browscap_zip);
}
return [0, __('The Browscap data file has been installed on your server.', 'wp-slimstat')];
}
protected static function _get_user_agent()
{
$user_agent = (empty($_SERVER['HTTP_USER_AGENT']) ? '' : trim($_SERVER['HTTP_USER_AGENT']));
$real_user_agent = '';
if (!empty($_SERVER['HTTP_X_DEVICE_USER_AGENT'])) {
$real_user_agent = trim($_SERVER['HTTP_X_DEVICE_USER_AGENT']);
} elseif (!empty($_SERVER['HTTP_X_ORIGINAL_USER_AGENT'])) {
$real_user_agent = trim($_SERVER['HTTP_X_ORIGINAL_USER_AGENT']);
} elseif (!empty($_SERVER['HTTP_X_MOBILE_UA'])) {
$real_user_agent = trim($_SERVER['HTTP_X_MOBILE_UA']);
} elseif (!empty($_SERVER['HTTP_X_OPERAMINI_PHONE_UA'])) {
$real_user_agent = trim($_SERVER['HTTP_X_OPERAMINI_PHONE_UA']);
}
if ('' !== $real_user_agent && '0' !== $real_user_agent && (strlen($real_user_agent) >= 5 || ('' === $user_agent || '0' === $user_agent))) {
return $real_user_agent;
}
return $user_agent;
}
}