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-rw-r--r--system/libraries/User_agent.php346
1 files changed, 239 insertions, 107 deletions
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index 9b0d87134..cda3ef0a0 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -1,77 +1,187 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* User Agent Class
*
- * Identifies the platform, browser, robot, or mobile devise of the browsing agent
+ * Identifies the platform, browser, robot, or mobile device 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
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/libraries/user_agent.html
*/
class CI_User_agent {
- var $agent = NULL;
+ /**
+ * Current user-agent
+ *
+ * @var string
+ */
+ public $agent = NULL;
+
+ /**
+ * Flag for if the user-agent belongs to a browser
+ *
+ * @var bool
+ */
+ public $is_browser = FALSE;
+
+ /**
+ * Flag for if the user-agent is a robot
+ *
+ * @var bool
+ */
+ public $is_robot = FALSE;
+
+ /**
+ * Flag for if the user-agent is a mobile browser
+ *
+ * @var bool
+ */
+ public $is_mobile = FALSE;
+
+ /**
+ * Languages accepted by the current user agent
+ *
+ * @var array
+ */
+ public $languages = array();
+
+ /**
+ * Character sets accepted by the current user agent
+ *
+ * @var array
+ */
+ public $charsets = array();
- var $is_browser = FALSE;
- var $is_robot = FALSE;
- var $is_mobile = FALSE;
+ /**
+ * List of platforms to compare against current user agent
+ *
+ * @var array
+ */
+ public $platforms = array();
- var $languages = array();
- var $charsets = array();
+ /**
+ * List of browsers to compare against current user agent
+ *
+ * @var array
+ */
+ public $browsers = array();
- var $platforms = array();
- var $browsers = array();
- var $mobiles = array();
- var $robots = array();
+ /**
+ * List of mobile browsers to compare against current user agent
+ *
+ * @var array
+ */
+ public $mobiles = array();
- var $platform = '';
- var $browser = '';
- var $version = '';
- var $mobile = '';
- var $robot = '';
+ /**
+ * List of robots to compare against current user agent
+ *
+ * @var array
+ */
+ public $robots = array();
+
+ /**
+ * Current user-agent platform
+ *
+ * @var string
+ */
+ public $platform = '';
+
+ /**
+ * Current user-agent browser
+ *
+ * @var string
+ */
+ public $browser = '';
+
+ /**
+ * Current user-agent version
+ *
+ * @var string
+ */
+ public $version = '';
+
+ /**
+ * Current user-agent mobile name
+ *
+ * @var string
+ */
+ public $mobile = '';
+
+ /**
+ * Current user-agent robot name
+ *
+ * @var string
+ */
+ public $robot = '';
+
+ /**
+ * HTTP Referer
+ *
+ * @var mixed
+ */
+ public $referer;
+
+ // --------------------------------------------------------------------
/**
* Constructor
*
* Sets the User Agent and runs the compilation routine
*
- * @access public
* @return void
*/
public function __construct()
{
+ $this->_load_agent_file();
+
if (isset($_SERVER['HTTP_USER_AGENT']))
{
$this->agent = trim($_SERVER['HTTP_USER_AGENT']);
+ $this->_compile_data();
}
- if ( ! is_null($this->agent))
- {
- if ($this->_load_agent_file())
- {
- $this->_compile_data();
- }
- }
-
- log_message('debug', "User Agent Class Initialized");
+ log_message('info', 'User Agent Class Initialized');
}
// --------------------------------------------------------------------
@@ -79,20 +189,22 @@ class CI_User_agent {
/**
* Compile the User Agent Data
*
- * @access private
* @return bool
*/
- private function _load_agent_file()
+ protected function _load_agent_file()
{
- if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
+ if (($found = file_exists(APPPATH.'config/user_agents.php')))
{
- include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php');
+ include(APPPATH.'config/user_agents.php');
}
- elseif (is_file(APPPATH.'config/user_agents.php'))
+
+ if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php'))
{
- include(APPPATH.'config/user_agents.php');
+ include(APPPATH.'config/'.ENVIRONMENT.'/user_agents.php');
+ $found = TRUE;
}
- else
+
+ if ($found !== TRUE)
{
return FALSE;
}
@@ -135,10 +247,9 @@ class CI_User_agent {
/**
* Compile the User Agent Data
*
- * @access private
* @return bool
*/
- private function _compile_data()
+ protected function _compile_data()
{
$this->_set_platform();
@@ -156,23 +267,24 @@ class CI_User_agent {
/**
* Set the Platform
*
- * @access private
- * @return mixed
+ * @return bool
*/
- private function _set_platform()
+ protected function _set_platform()
{
- if (is_array($this->platforms) AND count($this->platforms) > 0)
+ if (is_array($this->platforms) && count($this->platforms) > 0)
{
foreach ($this->platforms as $key => $val)
{
- if (preg_match("|".preg_quote($key)."|i", $this->agent))
+ if (preg_match('|'.preg_quote($key).'|i', $this->agent))
{
$this->platform = $val;
return TRUE;
}
}
}
+
$this->platform = 'Unknown Platform';
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -180,16 +292,15 @@ class CI_User_agent {
/**
* Set the Browser
*
- * @access private
* @return bool
*/
- private function _set_browser()
+ protected function _set_browser()
{
- if (is_array($this->browsers) AND count($this->browsers) > 0)
+ if (is_array($this->browsers) && count($this->browsers) > 0)
{
foreach ($this->browsers as $key => $val)
{
- if (preg_match("|".preg_quote($key).".*?([0-9\.]+)|i", $this->agent, $match))
+ if (preg_match('|'.$key.'.*?([0-9\.]+)|i', $this->agent, $match))
{
$this->is_browser = TRUE;
$this->version = $match[1];
@@ -199,6 +310,7 @@ class CI_User_agent {
}
}
}
+
return FALSE;
}
@@ -207,23 +319,24 @@ class CI_User_agent {
/**
* Set the Robot
*
- * @access private
* @return bool
*/
- private function _set_robot()
+ protected function _set_robot()
{
- if (is_array($this->robots) AND count($this->robots) > 0)
+ if (is_array($this->robots) && count($this->robots) > 0)
{
foreach ($this->robots as $key => $val)
{
- if (preg_match("|".preg_quote($key)."|i", $this->agent))
+ if (preg_match('|'.preg_quote($key).'|i', $this->agent))
{
$this->is_robot = TRUE;
$this->robot = $val;
+ $this->_set_mobile();
return TRUE;
}
}
}
+
return FALSE;
}
@@ -232,16 +345,15 @@ class CI_User_agent {
/**
* Set the Mobile Device
*
- * @access private
* @return bool
*/
- private function _set_mobile()
+ protected function _set_mobile()
{
- if (is_array($this->mobiles) AND count($this->mobiles) > 0)
+ if (is_array($this->mobiles) && count($this->mobiles) > 0)
{
foreach ($this->mobiles as $key => $val)
{
- if (FALSE !== (strpos(strtolower($this->agent), $key)))
+ if (FALSE !== (stripos($this->agent, $key)))
{
$this->is_mobile = TRUE;
$this->mobile = $val;
@@ -249,6 +361,7 @@ class CI_User_agent {
}
}
}
+
return FALSE;
}
@@ -257,19 +370,16 @@ class CI_User_agent {
/**
* Set the accepted languages
*
- * @access private
* @return void
*/
- private function _set_languages()
+ protected function _set_languages()
{
- if ((count($this->languages) == 0) AND isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) AND $_SERVER['HTTP_ACCEPT_LANGUAGE'] != '')
+ if ((count($this->languages) === 0) && ! empty($_SERVER['HTTP_ACCEPT_LANGUAGE']))
{
- $languages = preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])));
-
- $this->languages = explode(',', $languages);
+ $this->languages = explode(',', preg_replace('/(;\s?q=[0-9\.]+)|\s/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE']))));
}
- if (count($this->languages) == 0)
+ if (count($this->languages) === 0)
{
$this->languages = array('Undefined');
}
@@ -280,19 +390,16 @@ class CI_User_agent {
/**
* Set the accepted character sets
*
- * @access private
* @return void
*/
- private function _set_charsets()
+ protected function _set_charsets()
{
- if ((count($this->charsets) == 0) AND isset($_SERVER['HTTP_ACCEPT_CHARSET']) AND $_SERVER['HTTP_ACCEPT_CHARSET'] != '')
+ if ((count($this->charsets) === 0) && ! empty($_SERVER['HTTP_ACCEPT_CHARSET']))
{
- $charsets = preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])));
-
- $this->charsets = explode(',', $charsets);
+ $this->charsets = explode(',', preg_replace('/(;\s?q=.+)|\s/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET']))));
}
- if (count($this->charsets) == 0)
+ if (count($this->charsets) === 0)
{
$this->charsets = array('Undefined');
}
@@ -303,7 +410,7 @@ class CI_User_agent {
/**
* Is Browser
*
- * @access public
+ * @param string $key
* @return bool
*/
public function is_browser($key = NULL)
@@ -320,7 +427,7 @@ class CI_User_agent {
}
// Check for a specific browser
- return array_key_exists($key, $this->browsers) AND $this->browser === $this->browsers[$key];
+ return (isset($this->browsers[$key]) && $this->browser === $this->browsers[$key]);
}
// --------------------------------------------------------------------
@@ -328,7 +435,7 @@ class CI_User_agent {
/**
* Is Robot
*
- * @access public
+ * @param string $key
* @return bool
*/
public function is_robot($key = NULL)
@@ -345,7 +452,7 @@ class CI_User_agent {
}
// Check for a specific robot
- return array_key_exists($key, $this->robots) AND $this->robot === $this->robots[$key];
+ return (isset($this->robots[$key]) && $this->robot === $this->robots[$key]);
}
// --------------------------------------------------------------------
@@ -353,7 +460,7 @@ class CI_User_agent {
/**
* Is Mobile
*
- * @access public
+ * @param string $key
* @return bool
*/
public function is_mobile($key = NULL)
@@ -370,7 +477,7 @@ class CI_User_agent {
}
// Check for a specific robot
- return array_key_exists($key, $this->mobiles) AND $this->mobile === $this->mobiles[$key];
+ return (isset($this->mobiles[$key]) && $this->mobile === $this->mobiles[$key]);
}
// --------------------------------------------------------------------
@@ -378,16 +485,26 @@ class CI_User_agent {
/**
* Is this a referral from another site?
*
- * @access public
* @return bool
*/
public function is_referral()
{
- if ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '')
+ if ( ! isset($this->referer))
{
- return FALSE;
+ if (empty($_SERVER['HTTP_REFERER']))
+ {
+ $this->referer = FALSE;
+ }
+ else
+ {
+ $referer_host = @parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
+ $own_host = parse_url(config_item('base_url'), PHP_URL_HOST);
+
+ $this->referer = ($referer_host && $referer_host !== $own_host);
+ }
}
- return TRUE;
+
+ return $this->referer;
}
// --------------------------------------------------------------------
@@ -395,7 +512,6 @@ class CI_User_agent {
/**
* Agent String
*
- * @access public
* @return string
*/
public function agent_string()
@@ -408,7 +524,6 @@ class CI_User_agent {
/**
* Get Platform
*
- * @access public
* @return string
*/
public function platform()
@@ -421,7 +536,6 @@ class CI_User_agent {
/**
* Get Browser Name
*
- * @access public
* @return string
*/
public function browser()
@@ -434,7 +548,6 @@ class CI_User_agent {
/**
* Get the Browser Version
*
- * @access public
* @return string
*/
public function version()
@@ -447,7 +560,6 @@ class CI_User_agent {
/**
* Get The Robot Name
*
- * @access public
* @return string
*/
public function robot()
@@ -459,7 +571,6 @@ class CI_User_agent {
/**
* Get the Mobile Device
*
- * @access public
* @return string
*/
public function mobile()
@@ -472,12 +583,11 @@ class CI_User_agent {
/**
* Get the referrer
*
- * @access public
* @return bool
*/
public function referrer()
{
- return ( ! isset($_SERVER['HTTP_REFERER']) OR $_SERVER['HTTP_REFERER'] == '') ? '' : trim($_SERVER['HTTP_REFERER']);
+ return empty($_SERVER['HTTP_REFERER']) ? '' : trim($_SERVER['HTTP_REFERER']);
}
// --------------------------------------------------------------------
@@ -485,12 +595,11 @@ class CI_User_agent {
/**
* Get the accepted languages
*
- * @access public
* @return array
*/
public function languages()
{
- if (count($this->languages) == 0)
+ if (count($this->languages) === 0)
{
$this->_set_languages();
}
@@ -503,12 +612,11 @@ class CI_User_agent {
/**
* Get the accepted Character Sets
*
- * @access public
* @return array
*/
public function charsets()
{
- if (count($this->charsets) == 0)
+ if (count($this->charsets) === 0)
{
$this->_set_charsets();
}
@@ -521,12 +629,12 @@ class CI_User_agent {
/**
* Test for a particular language
*
- * @access public
+ * @param string $lang
* @return bool
*/
public function accept_lang($lang = 'en')
{
- return (in_array(strtolower($lang), $this->languages(), TRUE));
+ return in_array(strtolower($lang), $this->languages(), TRUE);
}
// --------------------------------------------------------------------
@@ -534,16 +642,40 @@ class CI_User_agent {
/**
* Test for a particular character set
*
- * @access public
+ * @param string $charset
* @return bool
*/
public function accept_charset($charset = 'utf-8')
{
- return (in_array(strtolower($charset), $this->charsets(), TRUE));
+ return in_array(strtolower($charset), $this->charsets(), TRUE);
}
-}
+ // --------------------------------------------------------------------
+ /**
+ * Parse a custom user-agent string
+ *
+ * @param string $string
+ * @return void
+ */
+ public function parse($string)
+ {
+ // Reset values
+ $this->is_browser = FALSE;
+ $this->is_robot = FALSE;
+ $this->is_mobile = FALSE;
+ $this->browser = '';
+ $this->version = '';
+ $this->mobile = '';
+ $this->robot = '';
+
+ // Set the new user-agent string and parse it, unless empty
+ $this->agent = $string;
+
+ if ( ! empty($string))
+ {
+ $this->_compile_data();
+ }
+ }
-/* End of file User_agent.php */
-/* Location: ./system/libraries/User_agent.php */ \ No newline at end of file
+}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-06-03 12:11:44 +0200