Initial commit

Signed-off-by: Florian Pritz <bluewind@xssn.at>

1 files changed, 502 insertions, 0 deletions

diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
new file mode 100644
index 000000000..180b93dea
--- /dev/null
+++ b/system/libraries/User_agent.php
@@ -0,0 +1,502 @@
+<?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) 2008 - 2009, 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 $robot		= '';
+	
+	/**
+	 * Constructor
+	 *
+	 * Sets the User Agent and runs the compilation routine
+	 *
+	 * @access	public
+	 * @return	void
+	 */		
+	function CI_User_agent()
+	{
+		if (isset($_SERVER['HTTP_USER_AGENT']))
+		{
+			$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
+		}
+		
+		if ( ! is_null($this->agent))
+		{
+			if ($this->_load_agent_file())
+			{
+				$this->_compile_data();
+			}
+		}
+		
+		log_message('debug', "User Agent Class Initialized");
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Compile the User Agent Data
+	 *
+	 * @access	private
+	 * @return	bool
+	 */		
+	function _load_agent_file()
+	{
+		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 */
\ No newline at end of file