File indexing completed on 2024-05-26 06:03:07

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Http
  * @subpackage UserAgent
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 // require_once 'Zend/Http/UserAgent/Device.php';
 
 /**
  * Abstract Class to define a browser device.
  *
  * @category   Zend
  * @package    Zend_Http
  * @subpackage UserAgent
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Http_UserAgent_AbstractDevice
     implements Zend_Http_UserAgent_Device
 {
     /**
      * Browser signature
      *
      * @var string
      */
     protected $_browser = '';
 
     /**
      * Browser version
      *
      * @var string
      */
     protected $_browserVersion = '';
 
     /**
      * Configuration
      *
      * @var array
      */
     protected $_config;
 
     /**
      * User Agent chain
      *
      * @var string
      */
     protected $_userAgent;
 
     /**
      * Server variable
      *
      * @var array
      */
     protected $_server;
 
     /**
      * Image types
      *
      * @var array
      */
     protected $_images = array(
         'jpeg',
         'gif',
         'png',
         'pjpeg',
         'x-png',
         'bmp',
     );
 
     /**
      * Browser/Device features
      *
      * @var array
      */
     protected $_aFeatures = array();
 
     /**
      * Browser/Device features groups
      *
      * @var array
      */
     protected $_aGroup = array();
 
     /**
      * Constructor
      *
      * @param  null|string|array $userAgent If array, restores from serialized version
      * @param  array $server
      * @param  array $config
      * @return void
      */
     public function __construct($userAgent = null, array $server = array(), array $config = array())
     {
         if (is_array($userAgent)) {
             // Restoring from serialized array
             $this->_restoreFromArray($userAgent);
         } else {
             // Constructing new object
             $this->setUserAgent($userAgent);
             $this->_server    = $server;
             $this->_config    = $config;
             $this->_getDefaultFeatures();
             $this->_defineFeatures();
         }
     }
 
     /**
      * Serialize object
      *
      * @return string
      */
     public function serialize()
     {
         $spec = array(
             '_aFeatures'      => $this->_aFeatures,
             '_aGroup'         => $this->_aGroup,
             '_browser'        => $this->_browser,
             '_browserVersion' => $this->_browserVersion,
             '_userAgent'      => $this->_userAgent,
             '_images'         => $this->_images,
         );
         return serialize($spec);
     }
 
     /**
      * Unserialize
      *
      * @param  string $serialized
      * @return void
      */
     public function unserialize($serialized)
     {
         $spec = unserialize($serialized);
         $this->_restoreFromArray($spec);
     }
 
     /**
      * Restore object state from array
      *
      * @param  array $spec
      * @return void
      */
     protected function _restoreFromArray(array $spec)
     {
         foreach ($spec as $key => $value) {
             if (property_exists($this, $key)) {
                 $this->{$key} = $value;
             }
         }
     }
 
     /**
      * Look for features
      *
      * @return array|null
      */
     protected function _defineFeatures()
     {
         $features = $this->_loadFeaturesAdapter();
 
         if (is_array($features)) {
             $this->_aFeatures = array_merge($this->_aFeatures, $features);
         }
 
         return $this->_aFeatures;
     }
 
     /**
      * Gets the browser type identifier
      *
      * @return string
      */
     abstract public function getType();
 
     /**
      * Check a feature for the current browser/device.
      *
      * @param  string $feature The feature to check.
      * @return bool
      */
     public function hasFeature($feature)
     {
         return (isset($this->_aFeatures[$feature]) && !is_null($this->_aFeatures[$feature]));
     }
 
     /**
      * Gets the value of the current browser/device feature
      *
      * @param  string $feature Feature to search
      * @return string|null
      */
     public function getFeature($feature)
     {
         if ($this->hasFeature($feature)) {
             return $this->_aFeatures[$feature];
         }
     }
 
     /**
      * Set a feature for the current browser/device.
      *
      * @param  string $feature The feature to set.
      * @param  string $value (option) feature value.
      * @param  string $group (option) Group to associate with the feature
      * @return Zend_Http_UserAgent_AbstractDevice
      */
     public function setFeature($feature, $value = false, $group = '')
     {
         $this->_aFeatures[$feature] = $value;
         if (!empty($group)) {
             $this->setGroup($group, $feature);
         }
         return $this;
     }
 
     /**
      * Affects a feature to a group
      *
      * @param  string $group Group name
      * @param  string $feature Feature name
      * @return Zend_Http_UserAgent_AbstractDevice
      */
     public function setGroup($group, $feature)
     {
         if (!isset($this->_aGroup[$group])) {
             $this->_aGroup[$group] = array();
         }
         if (!in_array($feature, $this->_aGroup[$group])) {
             $this->_aGroup[$group][] = $feature;
         }
         return $this;
     }
 
     /**
      * Gets an array of features associated to a group
      *
      * @param  string $group Group param
      * @return array
      */
     public function getGroup($group)
     {
         return $this->_aGroup[$group];
     }
 
     /**
      * Gets all the browser/device features
      *
      * @return array
      */
     public function getAllFeatures()
     {
         return $this->_aFeatures;
     }
 
     /**
      * Gets all the browser/device features' groups
      *
      * @return array
      */
     public function getAllGroups()
     {
         return $this->_aGroup;
     }
 
     /**
      * Sets all the standard features extracted from the User Agent chain and $this->_server
      * vars
      *
      * @return void
      */
     protected function _getDefaultFeatures()
     {
         $server = array();
 
         // gets info from user agent chain
         $uaExtract = $this->extractFromUserAgent($this->getUserAgent());
 
         if (is_array($uaExtract)) {
             foreach ($uaExtract as $key => $info) {
                 $this->setFeature($key, $info, 'product_info');
             }
         }
 
         if (isset($uaExtract['browser_name'])) {
             $this->_browser = $uaExtract['browser_name'];
         }
         if (isset($uaExtract['browser_version'])) {
             $this->_browserVersion = $uaExtract['browser_version'];
         }
         if (isset($uaExtract['device_os'])) {
             $this->device_os = $uaExtract['device_os_name'];
         }
 
         /* browser & device info */
         $this->setFeature('is_wireless_device', false, 'product_info');
         $this->setFeature('is_mobile', false, 'product_info');
         $this->setFeature('is_desktop', false, 'product_info');
         $this->setFeature('is_tablet', false, 'product_info');
         $this->setFeature('is_bot', false, 'product_info');
         $this->setFeature('is_email', false, 'product_info');
         $this->setFeature('is_text', false, 'product_info');
         $this->setFeature('device_claims_web_support', false, 'product_info');
 
         $this->setFeature('is_' . strtolower($this->getType()), true, 'product_info');
 
         /* sets the browser name */
         if (isset($this->list) && empty($this->_browser)) {
             $lowerUserAgent = strtolower($this->getUserAgent());
             foreach ($this->list as $browser_signature) {
                 if (strpos($lowerUserAgent, $browser_signature) !== false) {
                     $this->_browser = strtolower($browser_signature);
                     $this->setFeature('browser_name', $this->_browser, 'product_info');
                 }
             }
         }
 
         /* sets the client IP */
         if (isset($this->_server['remote_addr'])) {
             $this->setFeature('client_ip', $this->_server['remote_addr'], 'product_info');
         } elseif (isset($this->_server['http_x_forwarded_for'])) {
             $this->setFeature('client_ip', $this->_server['http_x_forwarded_for'], 'product_info');
         } elseif (isset($this->_server['http_client_ip'])) {
             $this->setFeature('client_ip', $this->_server['http_client_ip'], 'product_info');
         }
 
         /* sets the server infos */
         if (isset($this->_server['server_software'])) {
             if (strpos($this->_server['server_software'], 'Apache') !== false || strpos($this->_server['server_software'], 'LiteSpeed') !== false) {
                 $server['version'] = 1;
                 if (strpos($this->_server['server_software'], 'Apache/2') !== false) {
                     $server['version'] = 2;
                 }
                 $server['server'] = 'apache';
             }
 
             if (strpos($this->_server['server_software'], 'Microsoft-IIS') !== false) {
                 $server['server'] = 'iis';
             }
 
             if (strpos($this->_server['server_software'], 'Unix') !== false) {
                 $server['os'] = 'unix';
                 if (isset($_ENV['MACHTYPE'])) {
                     if (strpos($_ENV['MACHTYPE'], 'linux') !== false) {
                         $server['os'] = 'linux';
                     }
                 }
             } elseif (strpos($this->_server['server_software'], 'Win') !== false) {
                 $server['os'] = 'windows';
             }
 
             if (preg_match('/Apache\/([0-9\.]*)/', $this->_server['server_software'], $arr)) {
                 if ($arr[1]) {
                     $server['version'] = $arr[1];
                     $server['server']  = 'apache';
                 }
             }
         }
 
         $this->setFeature('php_version', phpversion(), 'server_info');
         if (isset($server['server'])) {
             $this->setFeature('server_os', $server['server'], 'server_info');
         }
         if (isset($server['version'])) {
             $this->setFeature('server_os_version', $server['version'], 'server_info');
         }
         if (isset($this->_server['http_accept'])) {
             $this->setFeature('server_http_accept', $this->_server['http_accept'], 'server_info');
         }
         if (isset($this->_server['http_accept_language'])) {
             $this->setFeature('server_http_accept_language', $this->_server['http_accept_language'], 'server_info');
         }
         if (isset($this->_server['server_addr'])) {
             $this->setFeature('server_ip', $this->_server['server_addr'], 'server_info');
         }
         if (isset($this->_server['server_name'])) {
             $this->setFeature('server_name', $this->_server['server_name'], 'server_info');
         }
     }
 
     /**
      * Extract and sets informations from the User Agent chain
      *
      * @param  string $userAgent User Agent chain
      * @return array
      */
     public static function extractFromUserAgent($userAgent)
     {
         $userAgent = trim($userAgent);
 
         /**
          * @see http://www.texsoft.it/index.php?c=software&m=sw.php.useragent&l=it
          */
         $pattern =  "(([^/\s]*)(/(\S*))?)(\s*\[[a-zA-Z][a-zA-Z]\])?\s*(\\((([^()]|(\\([^()]*\\)))*)\\))?\s*";
         preg_match("#^$pattern#", $userAgent, $match);
 
         $comment = array();
         if (isset($match[7])) {
             $comment = explode(';', $match[7]);
         }
 
         // second part if exists
         $end = substr($userAgent, strlen($match[0]));
         if (!empty($end)) {
             $result['others']['full'] = $end;
         }
 
         $match2 = array();
         if (isset($result['others'])) {
             preg_match_all('/(([^\/\s]*)(\/)?([^\/\(\)\s]*)?)(\s\((([^\)]*)*)\))?/i', $result['others']['full'], $match2);
         }
         $result['user_agent']   = trim($match[1]);
         $result['product_name'] = isset($match[2]) ? trim($match[2]) : '';
         $result['browser_name'] = $result['product_name'];
         if (isset($match[4]) && trim($match[4])) {
             $result['product_version'] = trim($match[4]);
             $result['browser_version'] = trim($match[4]);
         }
         if (count($comment) && !empty($comment[0])) {
             $result['comment']['full']     = trim($match[7]);
             $result['comment']['detail']   = $comment;
             $result['compatibility_flag']  = trim($comment[0]);
             if (isset($comment[1])) {
                 $result['browser_token']   = trim($comment[1]);
             }
             if (isset($comment[2])) {
                 $result['device_os_token'] = trim($comment[2]);
             }
         }
         if (empty($result['device_os_token']) && !empty($result['compatibility_flag'])) {
             // some browsers do not have a platform token
             $result['device_os_token'] = $result['compatibility_flag'];
         }
         if ($match2) {
             $i = 0;
             $max = count($match2[0]);
             for ($i = 0; $i < $max; $i ++) {
                 if (!empty($match2[0][$i])) {
                     $result['others']['detail'][] = array(
                         $match2[0][$i],
                         $match2[2][$i],
                         $match2[4][$i],
                     );
                 }
             }
         }
 
         /** Security level */
         $security = array(
             'N' => 'no security',
             'U' => 'strong security',
             'I' => 'weak security',
         );
         if (!empty($result['browser_token'])) {
             if (isset($security[$result['browser_token']])) {
                 $result['security_level'] = $security[$result['browser_token']];
                 unset($result['browser_token']);
             }
         }
 
         $product = strtolower($result['browser_name']);
 
         // Mozilla : true && false
         $compatibleOrIe = false;
         if (isset($result['compatibility_flag']) && isset($result['comment'])) {
             $compatibleOrIe = ($result['compatibility_flag'] == 'compatible' || strpos($result['comment']['full'], "MSIE") !== false);
         }
         if ($product == 'mozilla' && $compatibleOrIe) {
             if (!empty($result['browser_token'])) {
                 // Classic Mozilla chain
                 preg_match_all('/([^\/\s].*)(\/|\s)(.*)/i', $result['browser_token'], $real);
             } else {
                 // MSIE specific chain with 'Windows' compatibility flag
                 foreach ($result['comment']['detail'] as $v) {
                     if (strpos($v, 'MSIE') !== false) {
                         $real[0][1]               = trim($v);
                         $result['browser_engine'] = "MSIE";
                         $real[1][0]               = "Internet Explorer";
                         $temp                     = explode(' ', trim($v));
                         $real[3][0]               = $temp[1];
 
                     }
                     if (strpos($v, 'Win') !== false) {
                         $result['device_os_token'] = trim($v);
                     }
                 }
             }
 
             if (!empty($real[0])) {
                 $result['browser_name']    = $real[1][0];
                 $result['browser_version'] = $real[3][0];
             } else {
                 if(isset($result['browser_token'])) {
                     $result['browser_name']    = $result['browser_token'];
                 }
                 $result['browser_version'] = '??';
             }
         } elseif ($product == 'mozilla' && isset($result['browser_version'])
                   && $result['browser_version'] < 5.0
         ) {
             // handles the real Mozilla (or old Netscape if version < 5.0)
             $result['browser_name'] = 'Netscape';
         }
 
         /** windows */
         if ($result['browser_name'] == 'MSIE') {
             $result['browser_engine'] = 'MSIE';
             $result['browser_name']   = 'Internet Explorer';
         }
         if (isset($result['device_os_token'])) {
             if (strpos($result['device_os_token'], 'Win') !== false) {
 
                 $windows = array(
                     'Windows NT 6.1'          => 'Windows 7',
                     'Windows NT 6.0'          => 'Windows Vista',
                     'Windows NT 5.2'          => 'Windows Server 2003',
                     'Windows NT 5.1'          => 'Windows XP',
                     'Windows NT 5.01'         => 'Windows 2000 SP1',
                     'Windows NT 5.0'          => 'Windows 2000',
                     'Windows NT 4.0'          => 'Microsoft Windows NT 4.0',
                     'WinNT'                   => 'Microsoft Windows NT 4.0',
                     'Windows 98; Win 9x 4.90' => 'Windows Me',
                     'Windows 98'              => 'Windows 98',
                     'Win98'                   => 'Windows 98',
                     'Windows 95'              => 'Windows 95',
                     'Win95'                   => 'Windows 95',
                     'Windows CE'              => 'Windows CE',
                 );
                 if (isset($windows[$result['device_os_token']])) {
                     $result['device_os_name'] = $windows[$result['device_os_token']];
                 } else {
                     $result['device_os_name'] = $result['device_os_token'];
                 }
             }
         }
 
         // iphone
         $apple_device = array(
             'iPhone',
             'iPod',
             'iPad',
         );
         if (isset($result['compatibility_flag'])) {
             if (in_array($result['compatibility_flag'], $apple_device)) {
                 $result['device']           = strtolower($result['compatibility_flag']);
                 $result['device_os_token']  = 'iPhone OS';
                 if (isset($comment[3])) {
                     $result['browser_language'] = trim($comment[3]);
                 }
                 if (isset($result['others']['detail'][1])) {
                     $result['browser_version']  = $result['others']['detail'][1][2];
                 } elseif (isset($result['others']['detail']) && count($result['others']['detail'])) {
                     $result['browser_version']  = $result['others']['detail'][0][2];
                 }
                 if (!empty($result['others']['detail'][2])) {
                     $result['firmware'] = $result['others']['detail'][2][2];
                 }
                 if (!empty($result['others']['detail'][3])) {
                     $result['browser_name']  = $result['others']['detail'][3][1];
                     $result['browser_build'] = $result['others']['detail'][3][2];
                 }
             }
         }
 
         // Safari
         if (isset($result['others'])) {
             if ($result['others']['detail'][0][1] == 'AppleWebKit') {
                 $result['browser_engine'] = 'AppleWebKit';
                 if (isset($result['others']['detail'][1]) && $result['others']['detail'][1][1] == 'Version') {
                     $result['browser_version'] = $result['others']['detail'][1][2];
                 } else {
                     $result['browser_version'] = $result['others']['detail'][count($result['others']['detail']) - 1][2];
                 }
                 if (isset($comment[3])) {
                      $result['browser_language'] = trim($comment[3]);
                 }
 
                 $last = $result['others']['detail'][count($result['others']['detail']) - 1][1];
 
                 if (empty($result['others']['detail'][2][1]) || $result['others']['detail'][2][1] == 'Safari') {
                     if (isset($result['others']['detail'][1])) {
                         $result['browser_name']    = ($result['others']['detail'][1][1] && $result['others']['detail'][1][1] != 'Version' ? $result['others']['detail'][1][1] : 'Safari');
                         $result['browser_version'] = ($result['others']['detail'][1][2] ? $result['others']['detail'][1][2] : $result['others']['detail'][0][2]);
                     } else {
                         $result['browser_name']    = ($result['others']['detail'][0][1] && $result['others']['detail'][0][1] != 'Version' ? $result['others']['detail'][0][1] : 'Safari');
                         $result['browser_version'] = $result['others']['detail'][0][2];
                     }
                 } else {
                     $result['browser_name']    = $result['others']['detail'][2][1];
                     $result['browser_version'] = $result['others']['detail'][2][2];
 
                     // mobile version
                     if ($result['browser_name'] == 'Mobile') {
                         $result['browser_name'] = 'Safari ' . $result['browser_name'];
                         if ($result['others']['detail'][1][1] == 'Version') {
                             $result['browser_version'] = $result['others']['detail'][1][2];
                         }
                     }
                 }
 
                 // For Safari < 2.2, AppleWebKit version gives the Safari version
                 if (strpos($result['browser_version'], '.') > 2 || (int) $result['browser_version'] > 20) {
                     $temp = explode('.', $result['browser_version']);
                     $build = (int) $temp[0];
                     $awkVersion = array(
                         48  => '0.8',
                         73  => '0.9',
                         85  => '1.0',
                         103 => '1.1',
                         124 => '1.2',
                         300 => '1.3',
                         400 => '2.0',
                     );
                     foreach ($awkVersion as $k => $v) {
                         if ($build >= $k) {
                             $result['browser_version'] = $v;
                         }
                     }
                 }
             }
 
             // Gecko (Firefox or compatible)
             if ($result['others']['detail'][0][1] == 'Gecko') {
                 $searchRV = true;
                 if (!empty($result['others']['detail'][1][1]) && !empty($result['others']['detail'][count($result['others']['detail']) - 1][2]) || strpos(strtolower($result['others']['full']), 'opera') !== false) {
                     $searchRV = false;
                     $result['browser_engine'] = $result['others']['detail'][0][1];
 
                     // the name of the application is at the end indepenently
                     // of quantity of information in $result['others']['detail']
                     $last = count($result['others']['detail']) - 1;
 
                     // exception : if the version of the last information is
                     // empty we take the previous one
                     if (empty($result['others']['detail'][$last][2])) {
                         $last --;
                     }
 
                     // exception : if the last one is 'Red Hat' or 'Debian' =>
                     // use rv: to find browser_version */
                     if (in_array($result['others']['detail'][$last][1], array(
                         'Debian',
                         'Hat',
                     ))) {
                         $searchRV = true;
                     }
                     $result['browser_name']    = $result['others']['detail'][$last][1];
                     $result['browser_version'] = $result['others']['detail'][$last][2];
                     if (isset($comment[4])) {
                         $result['browser_build'] = trim($comment[4]);
                     }
                     if (isset($comment[3])) {
                         $result['browser_language'] = trim($comment[3]);
                     }
 
                     // Netscape
                     if ($result['browser_name'] == 'Navigator' || $result['browser_name'] == 'Netscape6') {
                         $result['browser_name'] = 'Netscape';
                     }
                 }
                 if ($searchRV) {
                     // Mozilla alone : the version is identified by rv:
                     $result['browser_name'] = 'Mozilla';
                     if (isset($result['comment']['detail'])) {
                         foreach ($result['comment']['detail'] as $rv) {
                             if (strpos($rv, 'rv:') !== false) {
                                 $result['browser_version'] = trim(str_replace('rv:', '', $rv));
                             }
                         }
                     }
                 }
             }
 
             // Netscape
             if ($result['others']['detail'][0][1] == 'Netscape') {
                 $result['browser_name']    = 'Netscape';
                 $result['browser_version'] = $result['others']['detail'][0][2];
             }
 
             // Opera
             // Opera: engine Presto
             if ($result['others']['detail'][0][1] == 'Presto') {
                 $result['browser_engine'] = 'Presto';
                 if (!empty($result['others']['detail'][1][2])) {
                     $result['browser_version'] = $result['others']['detail'][1][2];
                 }
             }
 
             // UA ends with 'Opera X.XX' or 'Opera/X.XX'
             if ($result['others']['detail'][0][1] == 'Opera') {
                 $result['browser_name']    = $result['others']['detail'][0][1];
                 // Opera X.XX
                 if (isset($result['others']['detail'][1][1])) {
                     $result['browser_version'] = $result['others']['detail'][1][1];
                 // Opera/X.XX
                 } elseif (isset($result['others']['detail'][0][2])) {
                     $result['browser_version'] = $result['others']['detail'][0][2];
                 }
             }
 
             // Opera Mini
             if (isset($result["browser_token"])) {
                 if (strpos($result["browser_token"], 'Opera Mini') !== false) {
                     $result['browser_name'] = 'Opera Mini';
                 }
             }
 
             // Symbian
             if ($result['others']['detail'][0][1] == 'SymbianOS') {
                 $result['device_os_token'] = 'SymbianOS';
             }
         }
 
         // UA ends with 'Opera X.XX'
         if (isset($result['browser_name']) && isset($result['browser_engine'])) {
             if ($result['browser_name'] == 'Opera' && $result['browser_engine'] == 'Gecko' && empty($result['browser_version'])) {
                 $result['browser_version'] = $result['others']['detail'][count($result['others']['detail']) - 1][1];
             }
         }
 
         // cleanup
         if (isset($result['browser_version']) && isset($result['browser_build'])) {
             if ($result['browser_version'] == $result['browser_build']) {
                 unset($result['browser_build']);
             }
         }
 
         // compatibility
         $compatibility['AppleWebKit'] = 'Safari';
         $compatibility['Gecko']       = 'Firefox';
         $compatibility['MSIE']        = 'Internet Explorer';
         $compatibility['Presto']      = 'Opera';
         if (!empty($result['browser_engine'])) {
             if (isset($compatibility[$result['browser_engine']])) {
                 $result['browser_compatibility'] = $compatibility[$result['browser_engine']];
             }
         }
 
         ksort($result);
         return $result;
     }
 
     /**
      * Loads the Features Adapter if it's defined in the $config array
      * Otherwise, nothing is done
      *
      * @param  string $browserType Browser type
      * @return array
      */
     protected function _loadFeaturesAdapter()
     {
         $config      = $this->_config;
         $browserType = $this->getType();
         if (!isset($config[$browserType]) || !isset($config[$browserType]['features'])) {
             return array();
         }
         $config = $config[$browserType]['features'];
 
         if (empty($config['classname'])) {
             // require_once 'Zend/Http/UserAgent/Exception.php';
             throw new Zend_Http_UserAgent_Exception('The ' . $this->getType() . ' features adapter must have a "classname" config parameter defined');
         }
 
         $className = $config['classname'];
         if (!class_exists($className)) {
             if (isset($config['path'])) {
                 $path = $config['path'];
             } else {
                 // require_once 'Zend/Http/UserAgent/Exception.php';
                 throw new Zend_Http_UserAgent_Exception('The ' . $this->getType() . ' features adapter must have a "path" config parameter defined');
             }
 
             if (false === include_once ($path)) {
                 // require_once 'Zend/Http/UserAgent/Exception.php';
                 throw new Zend_Http_UserAgent_Exception('The ' . $this->getType() . ' features adapter path that does not exist');
             }
         }
 
         return call_user_func(array($className, 'getFromRequest'), $this->_server, $this->_config);
     }
 
     /**
      * Retrieve image format support
      *
      * @return array
      */
     public function getImageFormatSupport()
     {
         return $this->_images;
     }
 
     /**
      * Get maximum image height supported by this device
      *
      * @return int
      */
     public function getMaxImageHeight()
     {
         return null;
     }
 
     /**
      * Get maximum image width supported by this device
      *
      * @return int
      */
     public function getMaxImageWidth()
     {
         return null;
     }
 
     /**
      * Get physical screen height of this device
      *
      * @return int
      */
     public function getPhysicalScreenHeight()
     {
         return null;
     }
 
     /**
      * Get physical screen width of this device
      *
      * @return int
      */
     public function getPhysicalScreenWidth()
     {
         return null;
     }
 
     /**
      * Get preferred markup type
      *
      * @return string
      */
     public function getPreferredMarkup()
     {
         return 'xhtml';
     }
 
     /**
      * Get supported X/HTML version
      *
      * @return int
      */
     public function getXhtmlSupportLevel()
     {
         return 4;
     }
 
     /**
      * Does the device support Flash?
      *
      * @return bool
      */
     public function hasFlashSupport()
     {
         return true;
     }
 
     /**
      * Does the device support PDF?
      *
      * @return bool
      */
     public function hasPdfSupport()
     {
         return true;
     }
 
     /**
      * Does the device have a phone number associated with it?
      *
      * @return bool
      */
     public function hasPhoneNumber()
     {
         return false;
     }
 
     /**
      * Does the device support HTTPS?
      *
      * @return bool
      */
     public function httpsSupport()
     {
         return true;
     }
 
     /**
      * Get the browser type
      *
      * @return string
      */
     public function getBrowser()
     {
         return $this->_browser;
     }
 
     /**
      * Get the browser version
      *
      * @return string
      */
     public function getBrowserVersion()
     {
         return $this->_browserVersion;
     }
 
     /**
      * Get the user agent string
      *
      * @return string
      */
     public function getUserAgent()
     {
         return $this->_userAgent;
     }
 
     /**
      * @return the $_images
      */
     public function getImages()
     {
         return $this->_images;
     }
 
     /**
      * @param string $browser
      */
     public function setBrowser($browser)
     {
         $this->_browser = $browser;
     }
 
     /**
      * @param string $browserVersion
      */
     public function setBrowserVersion($browserVersion)
     {
         $this->_browserVersion = $browserVersion;
     }
 
     /**
      * @param string $userAgent
      */
     public function setUserAgent($userAgent)
     {
         $this->_userAgent = $userAgent;
         return $this;
     }
 
     /**
      * @param array $_images
      */
     public function setImages($_images)
     {
         $this->_images = $_images;
     }
 
     /**
      * Match a user agent string against a list of signatures
      *
      * @param  string $userAgent
      * @param  array $signatures
      * @return bool
      */
     protected static function _matchAgentAgainstSignatures($userAgent, $signatures)
     {
         $userAgent = strtolower($userAgent);
         foreach ($signatures as $signature) {
             if (!empty($signature)) {
                 if (strpos($userAgent, $signature) !== false) {
                     // Browser signature was found in user agent string
                     return true;
                 }
             }
         }
         return false;
     }
 }