/
Browser.php
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/
Browser.php
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<?php
/**
* HTTP Request Browser Informations Class | HTTP\Request\Browser.php
*
* @author Bruno Augusto
*
* @copyright Copyright (c) 2017 Next Studios
* @license http://www.gnu.org/licenses/agpl-3.0.txt GNU Affero General Public License 3.0
*/
namespace Next\HTTP\Request;
use Next\Components\Object; # Object Class
/**
* The Browser Class obtains various informations by analyzing Server variables
*
* @package Next\HTTP
*
* @uses Next\Components\Object
* stdClass
* ArrayIterator
*/
class Browser extends Object {
/**
* IP Address Regular Expression
*
* @var string
*
* @todo Move to a standalone validator
*/
const IP_REGEX = '/\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/';
/**
* Unknown Browser/Platform
*
* @var string
*/
const UNKNOWN = 'unknown';
/**
* Opera
*
* @var string
*/
const OPERA = 'Opera';
/**
* Opera Mini
*
* @var string
*/
const OPERA_MINI = 'Opera Mini';
/**
* WebTV
*
* @var string
*/
const WEBTV = 'WebTV';
/**
* Internet Explorer
*
* @var string
*/
const IE = 'Internet Explorer';
/**
* Pocket Internet Explorer
*
* @var string
*/
const POCKET_IE = 'Pocket Internet Explorer';
/**
* Konqueror
*
* @var string
*/
const KONQUEROR = 'Konqueror';
/**
* iCab
*
* @var string
*/
const ICAB = 'iCab';
/**
* OmniWeb
*
* @var string
*/
const OMNIWEB = 'OmniWeb';
/**
* Firebird
*
* @var string
*/
const FIREBIRD = 'Firebird';
/**
* Firefox
*
* @var string
*/
const FIREFOX = 'Firefox';
/**
* Iceweasel
*
* @var string
*/
const ICEWEASEL = 'Iceweasel';
/**
* Shiretoko
*
* @var string
*/
const SHIRETOKO = 'Shiretoko';
/**
* Mozilla
*
* @var string
*/
const MOZILLA = 'Mozilla';
/**
* Amaya
*
* @var string
*/
const AMAYA = 'Amaya';
/**
* Lynx
*
* @var string
*/
const LYNX = 'Lynx';
/**
* Safari
*
* @var string
*/
const SAFARI = 'Safari';
/**
* iPhone
*
* @var string
*/
const IPHONE = 'iPhone';
/**
* iPod
*
* @var string
*/
const IPOD = 'iPod';
/**
* iPad
*
* @var string
*/
const IPAD = 'iPad';
/**
* Chrome
*
* @var string
*/
const CHROME = 'Chrome';
/**
* Android
*
* @var string
*/
const ANDROID = 'Android';
/**
* GoogleBot
*
* @var string
*/
const GOOGLEBOT = 'GoogleBot';
/**
* Yahoo! Slurp
*
* @var string
*/
const SLURP = 'Yahoo! Slurp';
/**
* W3C Validator
*
* @var string
*/
const W3CVALIDATOR = 'W3C Validator';
/**
* BlackBerry
*
* @var string
*/
const BLACKBERRY = 'BlackBerry';
/**
* IceCat
*
* @var string
*/
const ICECAT = 'IceCat';
/**
* Nokia S60 OSS Browser
*
* @var string
*/
const NOKIA_S60 = 'Nokia S60 OSS Browser';
/**
* Nokia Browser
*
* @var string
*/
const NOKIA = 'Nokia Browser';
/**
* MSN Browser
*
* @var string
*/
const MSN = 'MSN Browser';
/**
* MSN Bot
*
* @var string
*/
const MSNBOT = 'MSN Bot';
/**
* Netscape Navigator
*
* @var string
*/
const NETSCAPE_NAVIGATOR = 'Netscape Navigator';
/**
* Galeon
*
* @var string
*/
const GALEON = 'Galeon';
/**
* NetPositive
*
* @var string
*/
const NETPOSITIVE = 'NetPositive';
/**
* Phoenix
*
* @var string
*/
const PHOENIX = 'Phoenix';
// Platforms
/**
* Windows
*
* @var string
*/
const WINDOWS = 'Windows';
/**
* Windows CE
*
* @var string
*/
const WINDOWS_CE = 'Windows CE';
/**
* Apple
*
* @var string
*/
const APPLE = 'Apple';
/**
* Linux
*
* @var string
*/
const LINUX = 'Linux';
/**
* OS/2
*
* @var string
*/
const OS2 = 'OS/2';
/**
* BeOS
*
* @var string
*/
const BEOS = 'BeOS';
/**
* FreeBSD
*
* @var string
*/
const FREEBSD = 'FreeBSD';
/**
* OpenBSD
*
* @var string
*/
const OPENBSD = 'OpenBSD';
/**
* NetBSD
*
* @var string
*/
const NETBSD = 'NetBSD';
/**
* SunOS
*
* @var string
*/
const SUNOS = 'SunOS';
/**
* OpenSolaris
*
* @var string
*/
const OPENSOLARIS = 'OpenSolaris';
/**
* Found informations
*
* @var stdClass $info
*/
private $info;
/**
* Additional Initialization.
* Resets all found data
*/
protected function init() : void {
$this -> reset();
}
// Accessors
/**
* Get ALL Detected Information
*
* @return \stdClass
* Browser Informations
*/
public function getInfo() : \stdClass {
$this -> detectIP();
$this -> detectPlatform();
$this -> detectBrowser();
return $this -> info;
}
/**
* Get detected IP Address
*
* @return string
* User IP Address
*/
public function getIP() : string {
if( $this -> info -> IP === NULL ) $this -> detectIP();
return $this -> info -> IP;
}
/**
* Get detected Platform
*
* @return string
* User Platform, Operating System or Mobile Device Name
*/
public function getPlatform() : string {
if( $this -> info -> platform === NULL ) $this -> detectPlatform();
return $this -> info -> platform;
}
/**
* Get detected Browser
*
* @param boolean|optional $includeVersion
* If TRUE, detected Browser Version will be returned too and, in that case,
* as an array of Information
*
* @return array|string
*
* <p>
* If argument is set to TRUE both browser name and browser
* version will be returned.
* </p>
*
* <p>Otherwise only browser name will</p>
*/
public function getBrowser( $includeVersion = FALSE ) : string {
if( $this -> info -> browser === NULL || $this -> info -> version === NULL ) {
$this -> detectBrowser();
}
return ( $includeVersion ?
[ $this -> info -> browser, $this -> info -> version ] :
$this -> info -> browser );
}
// Auxiliary Methods
/**
* Resets all detected Information
*/
private function reset() : void {
$this -> info = new \stdClass;
$this -> info -> agent = ( isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : NULL );
// Basic Information
$this -> info -> browser = self::UNKNOWN;
$this -> info -> version = self::UNKNOWN;
$this -> info -> platform = self::UNKNOWN;
// Features
$this -> info -> isMobile = FALSE;
$this -> info -> isRobot = FALSE;
$this -> info -> IP = NULL;
}
/**
* Detects User's IP
*/
private function detectIP() : void {
$headers = [
'CLIENT_IP', 'FORWARDED', 'FORWARDED_FOR', 'FORWARDED_FOR_IP', 'HTTP_CLIENT_IP',
'HTTP_FORWARDED', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED_FOR_IP', 'HTTP_PC_REMOTE_ADDR',
'HTTP_PROXY_CONNECTION', 'HTTP_VIA', 'HTTP_X_FORWARDED', 'HTTP_X_FORWARDED_FOR',
'HTTP_X_FORWARDED_FOR_IP', 'HTTP_X_IMFORWARDS', 'HTTP_XROXY_CONNECTION', 'VIA',
'X_FORWARDED', 'X_FORWARDED_FOR', 'REMOTE_ADDR'
];
foreach( $headers as $header ) {
$value = getenv( $header );
if( $value !== FALSE ) {
$value = trim( $value );
if( preg_match( self::IP_REGEX, $value ) ) {
$this -> info -> IP = $value;
} else if( strpos( ',', $value ) !== FALSE ) {
$parts = explode( ',', $value );
$occurrence = trim( array_shift( $parts ) );
$portOffset = strpos( $occurrence, ':' );
if( $portOffset !== FALSE && (int) $portOffset != 0 ) {
$occurrence = substr( $occurrence, 0, (int) $portOffset );
}
if( preg_match( self::IP_REGEX, $occurrence ) != 0 ) {
$this -> info -> IP = $occurrence;
}
}
}
}
}
/**
* Detects Platform
*/
private function detectPlatform() : void {
$platforms = [
'windows' => self::WINDOWS, 'iPad' => self::IPAD,
'iPod' => self::IPOD, 'iPhone' => self::IPHONE,
'mac' => self::APPLE, 'android' => self::ANDROID,
'linux' => self::LINUX, 'Nokia' => self::NOKIA,
'BlackBerry' => self::BLACKBERRY, 'FreeBSD' => self::FREEBSD,
'OpenBSD' => self::OPENBSD, 'OpenSolaris' => self::OPENSOLARIS,
'SunOS' => self::SUNOS, 'OS\/2' => self::OS2,
'BeOS' => self::BEOS, 'win' => self::WINDOWS
];
foreach( $platforms as $search => $platform ) {
if( stripos( $this -> info -> agent, $search ) !== FALSE ) {
$this -> info -> platform = $platform; break;
}
}
}
/**
* Detects Browser
*/
private function detectBrowser() : void {
/**
* @internal
* Opera must be checked before FireFox due to the odd
* user agents used in some old versions of Opera
*
* WebTV is strapped onto Internet Explorer so we must
* check for WebTV before IE
*
* Galeon is based on Firefox and needs to be
* tested before Firefox
*
* OmniWeb is based on Safari, so it needs to be checked
* before Safari
*
* Netscape 9+ is based on Firefox, so it needs to be checked
* before FireFox
*/
$iterator = new \ArrayIterator(
[
'WebTv', 'InternetExplorer', 'Opera', 'Galeon',
'NetscapeNavigator', 'Firefox', 'Chrome', 'OmniWeb',
// Mobile Devices
'Android', 'iPad', 'iPod', 'iPhone', 'BlackBerry', 'Nokia',
// Common Crawler Bots
'GoogleBot', 'MSNBot', 'Slurp',
// WebKit base check (post mobile and others)
'Safari',
// Not-so-common Browsers
'NetPositive', 'Firebird', 'Konqueror', 'Icab', 'Phoenix',
'Amaya', 'Lynx', 'Shiretoko', 'IceCat', 'W3CValidator', 'IceWeasel',
// Mozilla is such an open standard that you must check it last
'Mozilla'
]
);
while( $iterator -> valid() ) {
$result = (bool) call_user_func(
[ $this, $iterator -> current() ]
);
if( $result !== FALSE ) break;
$iterator -> next();
}
}
// Browser Detection Methods
// Common Browsers
/**
* WebTV
*
* @see http://www.webtv.net/pc
*
* @return boolean
* TRUE if is WebTV Browser and FALSE otherwise
*/
private function WebTv() : bool {
$occurrence = stristr( $this -> info -> agent, 'webtv' );
if( $occurrence !== FALSE ) {
$occurrence = explode( '/', $occurrence );
if( isset( $occurrence[ 1 ] ) ) {
$this -> info -> browser = self::WEBTV;
// Version
$version = explode( ' ', $occurrence[ 1 ] );
$this -> info -> version = $version[ 0 ];
}
return TRUE;
}
return FALSE;
}
/**
* Internet Explorer, Pocket Internet Explorer and the odd MSN Explorer
*
* @see http://www.microsoft.com/ie
* http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
* http://explorer.msn.com
*
* @return boolean
* TRUE if is Internet Explorer Browser and FALSE otherwise
*/
private function InternetExplorer() : bool {
// Test for v1 - v1.5 IE
if( stripos( $this -> info -> agent, 'microsoft internet explorer' ) !== FALSE ) {
$this -> info -> browser = self::IE;
// Version
$version = strstr( $this -> info -> agent, '/' );
$this -> info -> version = ( in_array( $version, [ 308, 425, 426, 474, '0b1', '0B1' ] ) ? '1.5' : '1.0' );
return TRUE;
}
// Test for versions > 1.5
else if( stripos( $this -> info -> agent, 'msie' ) !== FALSE &&
stripos( $this -> info -> agent, 'opera' ) === FALSE ) {
// Check for the odd MSN Explorer
if( stripos( $this -> info -> agent, 'msnb' ) !== FALSE ) {
$this -> info -> browser = self::MSN;
// Version
$version = explode( ' ', stristr(
strtr( $this -> info -> agent, [ ';' => '; ' ] ), 'MSN' )
);
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = strtr( $version[ 1 ], [ '(' => '', ')' => '', ';' => '' ] );
}
} else {
$version = explode( ' ', stristr(
strtr( $this -> info -> agent, [ ';' => '; ' ] ), 'msie' )
);
$this -> info -> browser = self::IE;
// Version
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = strtr(
$version[ 1 ], [ '(' => '', ')' => '', ';' => '' ]
);
}
}
return TRUE;
}
// Test for Pocket IE
else if( stripos( $this -> info -> agent, 'mspie' ) !== FALSE || stripos( $this -> info -> agent, 'pocket' ) !== FALSE ) {
$occurrence = explode( ' ', stristr( $this -> info -> agent, 'mspie' ) );
$this -> info -> browser = self::POCKET_IE;
// Browser Platform
$this -> info -> platform = self::WINDOWS_CE;
// Feature: Mobile
$this -> info -> isMobile = TRUE;
// Version... Better repeat one condition than all the "sets" before
if( stripos( $this -> info -> agent, 'mspie' ) !== FALSE ) {
if( isset( $occurrence[ 1 ] ) ) {
$this -> info -> version = $occurrence[ 1 ];
}
} else {
$version = explode( '/', $this -> info -> agent );
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = $version[ 1 ];
}
}
return TRUE;
}
return FALSE;
}
/**
* Opera and Opera Mini
*
* @see http://www.opera.com
* http://www.opera.com/mini
*
* @return boolean
* TRUE if is Opera Browser and FALSE otherwise
*/
private function Opera() : bool {
$opera = stristr( $this -> info -> agent, 'opera' );
$operaMini = stristr( $this -> info -> agent, 'opera mini' );
// Test for Opera Mini
if( $operaMini !== FALSE ) {
$this -> info -> browser = self::OPERA_MINI;
// Feature: Mobile
$this -> info -> isMobile = TRUE;
// Version
if( strpos( $operaMini, '/' ) !== FALSE ) {
$version = explode( '/', $operaMini );
if( isset( $version[ 1 ] ) ) {
$version = explode( ' ', $version[ 1 ] );
$this -> info -> version = $version[ 0 ];
}
} else {
$version = explode( ' ', $operaMini );
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = $version[ 1 ];
}
}
return TRUE;
}
// Test for Normal Opera
else if( $opera !== FALSE ) {
$this -> info -> browser = self::OPERA;
if( preg_match( '/Version\/(10.*)$/', $opera, $matches ) != 0 ) {
$this -> info -> version = $matches[ 1 ];
}
else if( strpos( $opera, '/' ) !== FALSE ) {
$version = explode( '/', strtr( $opera, [ '(' => ' ' ] ) );
if( isset( $version[ 1 ] ) ) {
$version = explode( ' ', $version[ 1 ] );
$this -> info -> version = $version[ 0 ];
}
}
else {
$version = explode( ' ', $opera );
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = $version[ 1 ];
}
}
return TRUE;
}
return FALSE;
}
/**
* Galeon
*
* @see http://galeon.sourceforge.net
*
* @return boolean
* TRUE if is Galeon Browser and FALSE otherwise
*/
private function Galeon() : bool {
$occurrence = stristr( $this -> info -> agent, 'galeon' );
if( $occurrence !== FALSE ) {
$occurrence = explode( ' ', $occurrence );
$this -> info -> browser = self::GALEON;
$version = explode( '/', $occurrence[ 0 ] );
if( isset( $version[ 1 ] ) ) {
$this -> info -> version = $version[ 1 ];
}
return TRUE;
}
return FALSE;
}
/**
* Netscape Navigator
*
* @see http://browser.netscape.com
*
* @return boolean
* TRUE if is etscape Navigator Browser and FALSE otherwise
*/
private function NetscapeNavigator() : bool {
if( stripos( $this -> info -> agent, 'Firefox' ) !== FALSE ) {
if( preg_match( '/Navigator\/([^ ]*)/i', $this -> info -> agent, $matches ) != 0 ) {
$this -> info -> browser = self::NETSCAPE_NAVIGATOR;
$this -> info -> version = $matches[ 1 ];
return TRUE;
}
} else {
if( preg_match( '/Netscape6?\/([^ ]*)/i', $this -> info -> agent, $matches ) ) {
$this -> info -> browser = self::NETSCAPE_NAVIGATOR;
$this -> info -> version = $matches[ 1 ];
return TRUE;
}
}
return FALSE;
}
/**
* Firefox
*
* @see http://www.mozilla.com/en-US/firefox/firefox.html
*
* @return boolean
* TRUE if is Firefox Browser and FALSE otherwise
*/
private function Firefox() : bool {
if( stripos( $this -> info -> agent, 'safari' ) === FALSE ) {
$this -> info -> browser = self::FIREFOX;
// Version
if( preg_match( '/Firefox[\/ \(]([^ ;\)]+)/i', $this -> info -> agent, $matches ) ) {
$this -> info -> version = $matches[ 1 ];
}
return TRUE;
}
return FALSE;
}
/**
* Google Chrome
*
* @see http://www.google.com/chrome
*
* @return boolean
* TRUE if is Chrome Browser and FALSE otherwise
*/
private function Chrome() : bool {
$occurrence = stristr( $this -> info -> agent, 'Chrome' );
if( $occurrence !== FALSE ) {
$occurrence = explode( '/', $occurrence );
$this -> info -> browser = self::CHROME;
// Version
if( isset( $occurrence[ 1 ] ) ) {
$version = explode(' ', $occurrence[ 1 ] );
$this -> info -> version = $version[ 0 ];
}
return TRUE;
}
return FALSE;
}
/**
* OmniWeb
*
* @see http://www.omnigroup.com/applications/omniweb
*
* @return boolean
* TRUE if is OmniWeb Browser and FALSE otherwise
*/
private function OmniWeb() : bool {
$occurrence = stristr( $this -> info -> agent, 'omniweb' );
if( $occurrence !== FALSE ) {
$this -> info -> browser = self::OMNIWEB;
// Version
$version = explode( '/', $occurrence );
if( isset( $version[ 1 ] ) ) {
$version = explode( ' ', $version[ 1 ] );
}
$this -> info -> version = $version[ 0 ];
return TRUE;
}