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