| <?php if (!defined('BASEPATH')) exit('No direct script access allowed');
|
| /**
|
| * CodeIgniter
|
| *
|
| * An open source application development framework for PHP 4.3.2 or newer
|
| *
|
| * @package CodeIgniter
|
| * @author ExpressionEngine Dev Team
|
| * @copyright Copyright (c) 2006, 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();
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| var $browsers = array();
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| var $mobiles = array();
|
| var $robots = array();
|
|
|
| var $platform = '';
|
| var $browser = '';
|
| var $version = '';
|
| var $mobile = '';
|
| var $robot = '';
|
|
|
| /**
|
| * Constructor
|
| *
|
| * Sets the User Agent and runs the compilation routine
|
| *
|
| * @access public
|
| * @return void
|
| */
|
| function CI_User_agent()
|
| {
|
| if (isset($_SERVER['HTTP_USER_AGENT']))
|
| {
|
| $this->agent = trim($_SERVER['HTTP_USER_AGENT']);
|
| }
|
|
|
| if (! is_null($this->agent))
|
| {
|
| if ($this->_load_agent_file())
|
| {
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| $this->_compile_data();
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| }
|
| }
|
|
|
| log_message('debug', "User Agent Class Initialized");
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Compile the User Agent Data
|
| *
|
| * @access private
|
| * @return bool
|
| */
|
| function _load_agent_file()
|
| {
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| if (! @include(APPPATH.'config/user_agents'.EXT))
|
| {
|
| 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
|
| */
|
| function _compile_data()
|
| {
|
| $this->_set_platform();
|
|
|
| foreach (array('_set_browser', '_set_robot', '_set_mobile') as $function)
|
| {
|
| if ($this->$function() === TRUE)
|
| {
|
| break;
|
| }
|
| }
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the Platform
|
| *
|
| * @access private
|
| * @return mixed
|
| */
|
| function _set_platform()
|
| {
|
| if (is_array($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;
|
| }
|
| }
|
| }
|
| $this->platform = 'Unknown Platform';
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the Browser
|
| *
|
| * @access private
|
| * @return bool
|
| */
|
| function _set_browser()
|
| {
|
| if (is_array($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;
|
| $this->_set_mobile();
|
| return TRUE;
|
| }
|
| }
|
| }
|
| return FALSE;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the Robot
|
| *
|
| * @access private
|
| * @return bool
|
| */
|
| function _set_robot()
|
| {
|
| if (is_array($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 = $val;
|
| return TRUE;
|
| }
|
| }
|
| }
|
| return FALSE;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the Mobile Device
|
| *
|
| * @access private
|
| * @return bool
|
| */
|
| function _set_mobile()
|
| {
|
| if (is_array($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 = $val;
|
| return TRUE;
|
| }
|
| }
|
| }
|
| return FALSE;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the accepted languages
|
| *
|
| * @access private
|
| * @return void
|
| */
|
| function _set_languages()
|
| {
|
| if ((count($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)
|
| {
|
| $this->languages = array('Undefined');
|
| }
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Set the accepted character sets
|
| *
|
| * @access private
|
| * @return void
|
| */
|
| function _set_charsets()
|
| {
|
| if ((count($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
|
| */
|
| function is_browser()
|
| {
|
| return $this->is_browser;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Is Robot
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function is_robot()
|
| {
|
| return $this->is_robot;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Is Mobile
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function is_mobile()
|
| {
|
| return $this->is_mobile;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Is this a referral from another site?
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function is_referral()
|
| {
|
| return (! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? FALSE : TRUE;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Agent String
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function agent_string()
|
| {
|
| return $this->agent;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get Platform
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function platform()
|
| {
|
| return $this->platform;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get Browser Name
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function browser()
|
| {
|
| return $this->browser;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get the Browser Version
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function version()
|
| {
|
| return $this->version;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get The Robot Name
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function robot()
|
| {
|
| return $this->robot;
|
| }
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get the Mobile Device
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| function mobile()
|
| {
|
| return $this->mobile;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get the referrer
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function referrer()
|
| {
|
| return (! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get the accepted languages
|
| *
|
| * @access public
|
| * @return array
|
| */
|
| function languages()
|
| {
|
| if (count($this->languages) == 0)
|
| {
|
| $this->_set_languages();
|
| }
|
|
|
| return $this->languages;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Get the accepted Character Sets
|
| *
|
| * @access public
|
| * @return array
|
| */
|
| function charsets()
|
| {
|
| if (count($this->charsets) == 0)
|
| {
|
| $this->_set_charsets();
|
| }
|
|
|
| return $this->charsets;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Test for a particular language
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function accept_lang($lang = 'en')
|
| {
|
| return (in_array(strtolower($lang), $this->languages(), TRUE)) ? TRUE : FALSE;
|
| }
|
|
|
| // --------------------------------------------------------------------
|
|
|
| /**
|
| * Test for a particular character set
|
| *
|
| * @access public
|
| * @return bool
|
| */
|
| function accept_charset($charset = 'utf-8')
|
| {
|
| return (in_array(strtolower($charset), $this->charsets(), TRUE)) ? TRUE : FALSE;
|
| }
|
|
|
|
|
| }
|
|
|
| |
| /* End of file User_agent.php */ |
| /* Location: ./system/libraries/User_agent.php */ |