| <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
| /** |
| * CodeIgniter |
| * |
| * An open source application development framework for PHP 5.1.6 or newer |
| * |
| * @package CodeIgniter |
| * @author ExpressionEngine Dev Team |
| * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. |
| * @license http://codeigniter.com/user_guide/license.html |
| * @link http://codeigniter.com |
| * @since Version 1.0 |
| * @filesource |
| */ |
| |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * User Agent Class |
| * |
| * Identifies the platform, browser, robot, or mobile devise of the browsing agent |
| * |
| * @package CodeIgniter |
| * @subpackage Libraries |
| * @category User Agent |
| * @author ExpressionEngine Dev Team |
| * @link http://codeigniter.com/user_guide/libraries/user_agent.html |
| */ |
| class CI_User_agent { |
| |
| var $agent = NULL; |
| |
| var $is_browser = FALSE; |
| var $is_robot = FALSE; |
| var $is_mobile = FALSE; |
| |
| var $languages = array(); |
| var $charsets = array(); |
| |
| var $platforms = array(); |
| var $browsers = array(); |
| var $mobiles = array(); |
| var $robots = array(); |
| |
| var $platform = ''; |
| var $browser = ''; |
| var $version = ''; |
| var $mobile = ''; |
| var $robot = ''; |
| |
| /** |
| * Constructor |
| * |
| * Sets the User Agent and runs the compilation routine |
| * |
| * @access public |
| * @return void |
| */ |
| public function __construct() |
| { |
| if (isset($_SERVER['HTTP_USER_AGENT'])) |
| { |
| $this->agent = trim($_SERVER['HTTP_USER_AGENT']); |
| } |
| |
| if ( ! is_null($this->agent)) |
| { |
| if ($this->_load_agent_file()) |
| { |
| $this->_compile_data(); |
| } |
| } |
| |
| log_message('debug', "User Agent Class Initialized"); |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Compile the User Agent Data |
| * |
| * @access private |
| * @return bool |
| */ |
| private function _load_agent_file() |
| { |
| if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php')) |
| { |
| include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'); |
| } |
| elseif (is_file(APPPATH.'config/user_agents.php')) |
| { |
| include(APPPATH.'config/user_agents.php'); |
| } |
| else |
| { |
| return FALSE; |
| } |
| |
| $return = FALSE; |
| |
| if (isset($platforms)) |
| { |
| $this->platforms = $platforms; |
| unset($platforms); |
| $return = TRUE; |
| } |
| |
| if (isset($browsers)) |
| { |
| $this->browsers = $browsers; |
| unset($browsers); |
| $return = TRUE; |
| } |
| |
| if (isset($mobiles)) |
| { |
| $this->mobiles = $mobiles; |
| unset($mobiles); |
| $return = TRUE; |
| } |
| |
| if (isset($robots)) |
| { |
| $this->robots = $robots; |
| unset($robots); |
| $return = TRUE; |
| } |
| |
| return $return; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Compile the User Agent Data |
| * |
| * @access private |
| * @return bool |
| */ |
| private function _compile_data() |
| { |
| $this->_set_platform(); |
| |
| foreach (array('_set_browser', '_set_robot', '_set_mobile') as $function) |
| { |
| if ($this->$function() === TRUE) |
| { |
| break; |
| } |
| } |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the Platform |
| * |
| * @access private |
| * @return mixed |
| */ |
| private function _set_platform() |
| { |
| if (is_array($this->platforms) AND count($this->platforms) > 0) |
| { |
| foreach ($this->platforms as $key => $val) |
| { |
| if (preg_match("|".preg_quote($key)."|i", $this->agent)) |
| { |
| $this->platform = $val; |
| return TRUE; |
| } |
| } |
| } |
| $this->platform = 'Unknown Platform'; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the Browser |
| * |
| * @access private |
| * @return bool |
| */ |
| private function _set_browser() |
| { |
| if (is_array($this->browsers) AND count($this->browsers) > 0) |
| { |
| foreach ($this->browsers as $key => $val) |
| { |
| if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match)) |
| { |
| $this->is_browser = TRUE; |
| $this->version = $match[1]; |
| $this->browser = $val; |
| $this->_set_mobile(); |
| return TRUE; |
| } |
| } |
| } |
| return FALSE; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the Robot |
| * |
| * @access private |
| * @return bool |
| */ |
| private function _set_robot() |
| { |
| if (is_array($this->robots) AND count($this->robots) > 0) |
| { |
| foreach ($this->robots as $key => $val) |
| { |
| if (preg_match("|".preg_quote($key)."|i", $this->agent)) |
| { |
| $this->is_robot = TRUE; |
| $this->robot = $val; |
| return TRUE; |
| } |
| } |
| } |
| return FALSE; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the Mobile Device |
| * |
| * @access private |
| * @return bool |
| */ |
| private function _set_mobile() |
| { |
| if (is_array($this->mobiles) AND count($this->mobiles) > 0) |
| { |
| foreach ($this->mobiles as $key => $val) |
| { |
| if (FALSE !== (strpos(strtolower($this->agent), $key))) |
| { |
| $this->is_mobile = TRUE; |
| $this->mobile = $val; |
| return TRUE; |
| } |
| } |
| } |
| return FALSE; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the accepted languages |
| * |
| * @access private |
| * @return void |
| */ |
| private function _set_languages() |
| { |
| if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '') |
| { |
| $languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE']))); |
| |
| $this->languages = explode(',', $languages); |
| } |
| |
| if (count($this->languages) == 0) |
| { |
| $this->languages = array('Undefined'); |
| } |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Set the accepted character sets |
| * |
| * @access private |
| * @return void |
| */ |
| private function _set_charsets() |
| { |
| if ((count($this->charsets) == 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '') |
| { |
| $charsets = preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET']))); |
| |
| $this->charsets = explode(',', $charsets); |
| } |
| |
| if (count($this->charsets) == 0) |
| { |
| $this->charsets = array('Undefined'); |
| } |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Is Browser |
| * |
| * @access public |
| * @return bool |
| */ |
| public function is_browser($key = NULL) |
| { |
| if ( ! $this->is_browser) |
| { |
| return FALSE; |
| } |
| |
| // No need to be specific, it's a browser |
| if ($key === NULL) |
| { |
| return TRUE; |
| } |
| |
| // Check for a specific browser |
| return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key]; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Is Robot |
| * |
| * @access public |
| * @return bool |
| */ |
| public function is_robot($key = NULL) |
| { |
| if ( ! $this->is_robot) |
| { |
| return FALSE; |
| } |
| |
| // No need to be specific, it's a robot |
| if ($key === NULL) |
| { |
| return TRUE; |
| } |
| |
| // Check for a specific robot |
| return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key]; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Is Mobile |
| * |
| * @access public |
| * @return bool |
| */ |
| public function is_mobile($key = NULL) |
| { |
| if ( ! $this->is_mobile) |
| { |
| return FALSE; |
| } |
| |
| // No need to be specific, it's a mobile |
| if ($key === NULL) |
| { |
| return TRUE; |
| } |
| |
| // Check for a specific robot |
| return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key]; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Is this a referral from another site? |
| * |
| * @access public |
| * @return bool |
| */ |
| public function is_referral() |
| { |
| if ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') |
| { |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Agent String |
| * |
| * @access public |
| * @return string |
| */ |
| public function agent_string() |
| { |
| return $this->agent; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get Platform |
| * |
| * @access public |
| * @return string |
| */ |
| public function platform() |
| { |
| return $this->platform; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get Browser Name |
| * |
| * @access public |
| * @return string |
| */ |
| public function browser() |
| { |
| return $this->browser; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get the Browser Version |
| * |
| * @access public |
| * @return string |
| */ |
| public function version() |
| { |
| return $this->version; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get The Robot Name |
| * |
| * @access public |
| * @return string |
| */ |
| public function robot() |
| { |
| return $this->robot; |
| } |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get the Mobile Device |
| * |
| * @access public |
| * @return string |
| */ |
| public function mobile() |
| { |
| return $this->mobile; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get the referrer |
| * |
| * @access public |
| * @return bool |
| */ |
| public function referrer() |
| { |
| return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']); |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get the accepted languages |
| * |
| * @access public |
| * @return array |
| */ |
| public function languages() |
| { |
| if (count($this->languages) == 0) |
| { |
| $this->_set_languages(); |
| } |
| |
| return $this->languages; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Get the accepted Character Sets |
| * |
| * @access public |
| * @return array |
| */ |
| public function charsets() |
| { |
| if (count($this->charsets) == 0) |
| { |
| $this->_set_charsets(); |
| } |
| |
| return $this->charsets; |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Test for a particular language |
| * |
| * @access public |
| * @return bool |
| */ |
| public function accept_lang($lang = 'en') |
| { |
| return (in_array(strtolower($lang), $this->languages(), TRUE)); |
| } |
| |
| // -------------------------------------------------------------------- |
| |
| /** |
| * Test for a particular character set |
| * |
| * @access public |
| * @return bool |
| */ |
| public function accept_charset($charset = 'utf-8') |
| { |
| return (in_array(strtolower($charset), $this->charsets(), TRUE)); |
| } |
| |
| } |
| |
| |
| /* End of file User_agent.php */ |
| /* Location: ./system/libraries/User_agent.php */ |