dbxBrowser.class.php

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<?php
 
class dbxBrowser {
    public $_device = 'desktop';
    public $_agent    = '';
    public $_language ='';
    public $_name     = '';
    public $_version  = '';
    public $_platform = '';
    public $_aol    = 0;
    public $_mobile = 0;
    public $_ipad   = 0;
    public $_robot  = 0;
    public $_width  = 0;
    public $_height = 0;
    public $_cookie = 0;
    public $_iframe = 0;
    public $_js     = 0;
    public $_java   = 0;
    public $_flasch = 0;
    public $_host   = 'host';
    public $_ip     = 'ip';
    private $_is_robot=0;
 
 
    public function init() {
 
        $this->_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
 
        $this->get_ip();
        $this->get_host($this->_ip);
 
        $this->checkLanguage();
        $this->checkPlatform();
        $this->checkBrowsers();
        $this->checkForSize();
        $this->checkForIntPad();
        $this->checkForRobot();
        $this->checkMobile();
    }
 
    public function __construct() {
        $this->init();
    }
 
 
    public function isBrowser($browserName) {
        return (0 == strcasecmp($this->_name, trim($browserName)));
    }
 
    protected function setVersion($version) {
        $this->_version = preg_replace('/[^0-9a-zA-Z\.]/','',$version);
    }
 
    protected function setPlatform($os) {
        $this->_platform = $os;
    }
 
 
    /* =====================================================
     * MOBILE (NEU & STABIL)
     * ===================================================== */
    public function checkMobile() {
 
        $ua = strtolower($this->_agent);
 
        $is_mobile = 0;
        $device = 'desktop';
 
        if ($ua) {
 
            /* =========================================
            * 1. TABLETS
            * ========================================= */
            if (
                strpos($ua, 'ipad') !== false ||
                (strpos($ua, 'android') !== false && strpos($ua, 'mobile') === false) ||
                strpos($ua, 'tablet') !== false ||
                strpos($ua, 'kindle') !== false ||
                strpos($ua, 'silk') !== false
            ) {
                $is_mobile = 1;
                $device = 'tablet';
                $this->_ipad = 1;
            }
 
            /* =========================================
            * 2. PHONES
            * ========================================= */
            elseif (
                strpos($ua, 'iphone') !== false ||
                strpos($ua, 'ipod') !== false ||
                strpos($ua, 'android') !== false ||
                strpos($ua, 'blackberry') !== false ||
                strpos($ua, 'bb10') !== false ||
                strpos($ua, 'windows phone') !== false ||
                strpos($ua, 'opera mini') !== false ||
                strpos($ua, 'opera mobi') !== false
            ) {
                $is_mobile = 1;
                $device = 'phone';
            }
 
            /* =========================================
            * 3. GENERISCH MOBILE
            * ========================================= */
            elseif (
                strpos($ua, 'mobile') !== false ||
                strpos($ua, 'mobi') !== false
            ) {
                $is_mobile = 1;
                $device = 'phone';
            }
 
            /* =========================================
            * 4. FALLBACK (Touch/WebKit Geräte)
            * ========================================= */
            elseif (
                strpos($ua, 'webkit') !== false &&
                (
                    strpos($ua, 'touch') !== false ||
                    strpos($ua, 'phone') !== false
                )
            ) {
                $is_mobile = 1;
                $device = 'phone';
            }
        }
 
        // State setzen (kompatibel!)
        $this->_mobile = $is_mobile;
        $this->_device = $device;
 
        dbx()->set_system_var('dbx_is_mobile',$is_mobile);
        dbx()->set_system_var('dbx_device',$device);
 
        return $is_mobile;
    }
 
 
    /* =====================================================
     * IP
     * ===================================================== */
    public function get_ip() {
 
        $candidates = array();
 
        foreach (array('HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP', 'REMOTE_ADDR') as $key) {
            if (empty($_SERVER[$key])) {
                continue;
            }
 
            foreach (explode(',', (string) $_SERVER[$key]) as $part) {
                $candidates[] = $part;
            }
        }
 
        $this->_ip = '0.0.0.0';
 
        foreach ($candidates as $candidate) {
            $ip = $this->normalize_ip($candidate);
            if ($ip !== '') {
                $this->_ip = $ip;
                break;
            }
        }
    }
 
    protected function normalize_ip($ip) {
        $ip = trim((string) $ip);
 
        if ($ip === '' || strtolower($ip) === 'unknown') {
            return '';
        }
 
        if (str_starts_with($ip, '[')) {
            $end = strpos($ip, ']');
            if ($end !== false) {
                $ip = substr($ip, 1, $end - 1);
            }
        } elseif (substr_count($ip, ':') === 1 && preg_match('/^([0-9.]+):[0-9]+$/', $ip, $m)) {
            $ip = $m[1];
        }
 
        // IPv6 localhost auf IPv4 localhost normalisieren
        if ($ip === '::1' || $ip === '0:0:0:0:0:0:0:1') {
            return '127.0.0.1';
        }
 
        // IPv4-mapped IPv6 normalisieren, z.B. ::ffff:127.0.0.1
        if (preg_match('/^::ffff:(\d+\.\d+\.\d+\.\d+)$/i', $ip, $m)) {
            $ip = $m[1];
        }
 
        return filter_var($ip, FILTER_VALIDATE_IP) ? $ip : '';
    }
 
 
    protected function get_host($ip) {
        $this->_host = '';
 
        $ip = trim((string) $ip);
 
        if ($ip === '127.0.0.1' || $ip === '::1') {
            $this->_host = 'localhost';
            return;
        }
 
        $this->_host = $ip;
    }
 
 
    protected function checkLanguage() {
        if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
            $this->_language = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
        }
    }
 
 
    protected function checkForIntPad() {
        if (stripos($this->_agent, 'ipad') !== false) {
            $this->_ipad = 1;
        }
    }
 
 
    /* =====================================================
     * ROBOT (VEREINFACHT & REALISTISCH)
     * ===================================================== */
    protected function checkForRobot() {
 
        $ua = strtolower($this->_agent);
 
        if (!$ua) return;
 
        if (strpos($ua, 'bot') !== false ||
            strpos($ua, 'crawl') !== false ||
            strpos($ua, 'spider') !== false ||
            strpos($ua, 'slurp') !== false ||
            strpos($ua, 'google') !== false) {
 
            $this->_robot = 1;
        }
 
        if ($this->_is_robot) {
            $this->_robot = 1;
        }
    }
 
 
    protected function checkForSize() {
        if (isset($_COOKIE["dbx_win_size"])) {
            $size = explode("X", $_COOKIE["dbx_win_size"]);
            if (isset($size[0])) $this->_width = (int)$size[0];
            if (isset($size[1])) $this->_height = (int)$size[1];
        }
    }
 
 
    /* =====================================================
     * BROWSER (STOP BEIM ERSTEN TREFFER)
     * ===================================================== */
    protected function checkBrowsers() {
 
        if ($this->checkBrowserGoogleBot()) return 1;
        if ($this->checkBrowserSlurp()) return 1;
        if ($this->checkBrowserInternetExplorer()) return 1;
 
        if ($this->checkBrowserFirefox()) return 1;
 
        // Chrome vor Safari!
        if ($this->checkBrowserChrome()) return 1;
        if ($this->checkBrowserAndroid()) return 1;
        if ($this->checkBrowserSafari()) return 1;
 
        if ($this->checkBrowserOpera()) return 1;
 
        if ($this->checkBrowseriPhone()) return 1;
        if ($this->checkBrowseriPod()) return 1;
        if ($this->checkBrowserBlackBerry()) return 1;
 
        if ($this->checkBrowserMozilla()) return 1;
 
        return 0;
    }
 
 
    protected function checkBrowserGoogleBot() {
        if (preg_match('/googlebot/i',$this->_agent)) {
            $this->_name = "GOOGLEBOT";
            $this->_is_robot = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserSlurp() {
        if (preg_match('/slurp/i',$this->_agent)) {
            $this->_name = "SLURP";
            $this->_is_robot = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserInternetExplorer() {
        if (preg_match('/msie|trident/i',$this->_agent)) {
            $this->_name = "IE";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserFirefox() {
        if (preg_match('/firefox/i',$this->_agent)) {
            $this->_name = "FIREFOX";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserChrome() {
        if (preg_match('/chrome/i',$this->_agent) && !preg_match('/edg|opr/i',$this->_agent)) {
            $this->_name = "CHROME";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserSafari() {
        if (preg_match('/safari/i',$this->_agent) && !preg_match('/chrome/i',$this->_agent)) {
            $this->_name = "SAFARI";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserOpera() {
        if (preg_match('/opera|opr/i',$this->_agent)) {
            $this->_name = "OPERA";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserAndroid() {
        if (preg_match('/android/i',$this->_agent)) {
            $this->_name = "ANDROID";
            $this->_mobile = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowseriPhone() {
        if (preg_match('/iphone/i',$this->_agent)) {
            $this->_name = "IPHONE";
            $this->_mobile = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowseriPod() {
        if (preg_match('/ipod/i',$this->_agent)) {
            $this->_name = "IPOD";
            $this->_mobile = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserBlackBerry() {
        if (preg_match('/blackberry/i',$this->_agent)) {
            $this->_name = "BLACKBERRY";
            $this->_mobile = 1;
            return 1;
        }
        return 0;
    }
 
 
    protected function checkBrowserMozilla() {
        if (preg_match('/mozilla/i',$this->_agent)) {
            $this->_name = "MOZILLA";
            return 1;
        }
        return 0;
    }
 
 
    protected function checkPlatform() {
 
        if (preg_match('/iphone/i', $this->_agent)) $this->_platform = "IPHONE";
        elseif (preg_match('/ipad/i', $this->_agent)) $this->_platform = "IPAD";
        elseif (preg_match('/android/i', $this->_agent)) $this->_platform = "ANDROID";
        elseif (preg_match('/win/i', $this->_agent)) $this->_platform = "WINDOWS";
        elseif (preg_match('/mac/i', $this->_agent)) $this->_platform = "APPLE";
        elseif (preg_match('/linux/i', $this->_agent)) $this->_platform = "LINUX";
 
        return $this->_platform;
    }
}