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- <?php
- /**
- * @package Grav\Common
- *
- * @copyright Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
- * @license MIT License; see LICENSE file for details.
- */
- namespace Grav\Common;
- /**
- * Internally uses the PhpUserAgent package https://github.com/donatj/PhpUserAgent
- */
- class Browser
- {
- protected $useragent = [];
- /**
- * Browser constructor.
- */
- public function __construct()
- {
- try {
- $this->useragent = parse_user_agent();
- } catch (\InvalidArgumentException $e) {
- $this->useragent = parse_user_agent("Mozilla/5.0 (compatible; Unknown;)");
- }
- }
- /**
- * Get the current browser identifier
- *
- * Currently detected browsers:
- *
- * Android Browser
- * BlackBerry Browser
- * Camino
- * Kindle / Silk
- * Firefox / Iceweasel
- * Safari
- * Internet Explorer
- * IEMobile
- * Chrome
- * Opera
- * Midori
- * Vivaldi
- * TizenBrowser
- * Lynx
- * Wget
- * Curl
- *
- * @return string the lowercase browser name
- */
- public function getBrowser()
- {
- return strtolower($this->useragent['browser']);
- }
- /**
- * Get the current platform identifier
- *
- * Currently detected platforms:
- *
- * Desktop
- * -> Windows
- * -> Linux
- * -> Macintosh
- * -> Chrome OS
- * Mobile
- * -> Android
- * -> iPhone
- * -> iPad / iPod Touch
- * -> Windows Phone OS
- * -> Kindle
- * -> Kindle Fire
- * -> BlackBerry
- * -> Playbook
- * -> Tizen
- * Console
- * -> Nintendo 3DS
- * -> New Nintendo 3DS
- * -> Nintendo Wii
- * -> Nintendo WiiU
- * -> PlayStation 3
- * -> PlayStation 4
- * -> PlayStation Vita
- * -> Xbox 360
- * -> Xbox One
- *
- * @return string the lowercase platform name
- */
- public function getPlatform()
- {
- return strtolower($this->useragent['platform']);
- }
- /**
- * Get the current full version identifier
- *
- * @return string the browser full version identifier
- */
- public function getLongVersion()
- {
- return $this->useragent['version'];
- }
- /**
- * Get the current major version identifier
- *
- * @return string the browser major version identifier
- */
- public function getVersion()
- {
- $version = explode('.', $this->getLongVersion());
- return (int)$version[0];
- }
- /**
- * Determine if the request comes from a human, or from a bot/crawler
- *
- * @return bool
- */
- public function isHuman()
- {
- $browser = $this->getBrowser();
- if (empty($browser)) {
- return false;
- }
- if (preg_match('~(bot|crawl)~i', $browser)) {
- return false;
- }
- return true;
- }
-
- /**
- * Determine if “Do Not Track” is set by browser
- * @see https://www.w3.org/TR/tracking-dnt/
- *
- * @return bool
- */
- public function isTrackable(): bool
- {
- return !(isset($_SERVER['HTTP_DNT']) && $_SERVER['HTTP_DNT'] === '1');
- }
- }
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