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-rw-r--r--system/libraries/Benchmark.php113
-rw-r--r--system/libraries/Config.php244
-rw-r--r--system/libraries/Controller.php127
-rw-r--r--system/libraries/Exceptions.php174
-rw-r--r--system/libraries/Hooks.php226
-rw-r--r--system/libraries/Input.php1067
-rw-r--r--system/libraries/Language.php123
-rw-r--r--system/libraries/Loader.php1085
-rw-r--r--system/libraries/Model.php83
-rw-r--r--system/libraries/Output.php409
-rw-r--r--system/libraries/Router.php389
-rw-r--r--system/libraries/URI.php586
12 files changed, 0 insertions, 4626 deletions
diff --git a/system/libraries/Benchmark.php b/system/libraries/Benchmark.php
deleted file mode 100644
index d485ee21d..000000000
--- a/system/libraries/Benchmark.php
+++ /dev/null
@@ -1,113 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Benchmark Class
- *
- * This class enables you to mark points and calculate the time difference
- * between them. Memory consumption can also be displayed.
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Libraries
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/benchmark.html
- */
-class CI_Benchmark {
-
- var $marker = array();
-
- // --------------------------------------------------------------------
-
- /**
- * Set a benchmark marker
- *
- * Multiple calls to this function can be made so that several
- * execution points can be timed
- *
- * @access public
- * @param string $name name of the marker
- * @return void
- */
- function mark($name)
- {
- $this->marker[$name] = microtime();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Calculates the time difference between two marked points.
- *
- * If the first parameter is empty this function instead returns the
- * {elapsed_time} pseudo-variable. This permits the full system
- * execution time to be shown in a template. The output class will
- * swap the real value for this variable.
- *
- * @access public
- * @param string a particular marked point
- * @param string a particular marked point
- * @param integer the number of decimal places
- * @return mixed
- */
- function elapsed_time($point1 = '', $point2 = '', $decimals = 4)
- {
- if ($point1 == '')
- {
- return '{elapsed_time}';
- }
-
- if ( ! isset($this->marker[$point1]))
- {
- return '';
- }
-
- if ( ! isset($this->marker[$point2]))
- {
- $this->marker[$point2] = microtime();
- }
-
- list($sm, $ss) = explode(' ', $this->marker[$point1]);
- list($em, $es) = explode(' ', $this->marker[$point2]);
-
- return number_format(($em + $es) - ($sm + $ss), $decimals);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Memory Usage
- *
- * This function returns the {memory_usage} pseudo-variable.
- * This permits it to be put it anywhere in a template
- * without the memory being calculated until the end.
- * The output class will swap the real value for this variable.
- *
- * @access public
- * @return string
- */
- function memory_usage()
- {
- return '{memory_usage}';
- }
-
-}
-
-// END CI_Benchmark class
-
-/* End of file Benchmark.php */
-/* Location: ./system/libraries/Benchmark.php */ \ No newline at end of file
diff --git a/system/libraries/Config.php b/system/libraries/Config.php
deleted file mode 100644
index 760120779..000000000
--- a/system/libraries/Config.php
+++ /dev/null
@@ -1,244 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Config Class
- *
- * This class contains functions that enable config files to be managed
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Libraries
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/config.html
- */
-class CI_Config {
-
- var $config = array();
- var $is_loaded = array();
-
- /**
- * Constructor
- *
- * Sets the $config data from the primary config.php file as a class variable
- *
- * @access public
- * @param string the config file name
- * @param boolean if configuration values should be loaded into their own section
- * @param boolean true if errors should just return false, false if an error message should be displayed
- * @return boolean if the file was successfully loaded or not
- */
- function CI_Config()
- {
- $this->config =& get_config();
- log_message('debug', "Config Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load Config File
- *
- * @access public
- * @param string the config file name
- * @return boolean if the file was loaded correctly
- */
- function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
- {
- $file = ($file == '') ? 'config' : str_replace(EXT, '', $file);
-
- if (in_array($file, $this->is_loaded, TRUE))
- {
- return TRUE;
- }
-
- if ( ! file_exists(APPPATH.'config/'.$file.EXT))
- {
- if ($fail_gracefully === TRUE)
- {
- return FALSE;
- }
- show_error('The configuration file '.$file.EXT.' does not exist.');
- }
-
- include(APPPATH.'config/'.$file.EXT);
-
- if ( ! isset($config) OR ! is_array($config))
- {
- if ($fail_gracefully === TRUE)
- {
- return FALSE;
- }
- show_error('Your '.$file.EXT.' file does not appear to contain a valid configuration array.');
- }
-
- if ($use_sections === TRUE)
- {
- if (isset($this->config[$file]))
- {
- $this->config[$file] = array_merge($this->config[$file], $config);
- }
- else
- {
- $this->config[$file] = $config;
- }
- }
- else
- {
- $this->config = array_merge($this->config, $config);
- }
-
- $this->is_loaded[] = $file;
- unset($config);
-
- log_message('debug', 'Config file loaded: config/'.$file.EXT);
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a config file item
- *
- *
- * @access public
- * @param string the config item name
- * @param string the index name
- * @param bool
- * @return string
- */
- function item($item, $index = '')
- {
- if ($index == '')
- {
- if ( ! isset($this->config[$item]))
- {
- return FALSE;
- }
-
- $pref = $this->config[$item];
- }
- else
- {
- if ( ! isset($this->config[$index]))
- {
- return FALSE;
- }
-
- if ( ! isset($this->config[$index][$item]))
- {
- return FALSE;
- }
-
- $pref = $this->config[$index][$item];
- }
-
- return $pref;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a config file item - adds slash after item
- *
- * The second parameter allows a slash to be added to the end of
- * the item, in the case of a path.
- *
- * @access public
- * @param string the config item name
- * @param bool
- * @return string
- */
- function slash_item($item)
- {
- if ( ! isset($this->config[$item]))
- {
- return FALSE;
- }
-
- $pref = $this->config[$item];
-
- if ($pref != '' && substr($pref, -1) != '/')
- {
- $pref .= '/';
- }
-
- return $pref;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Site URL
- *
- * @access public
- * @param string the URI string
- * @return string
- */
- function site_url($uri = '')
- {
- if (is_array($uri))
- {
- $uri = implode('/', $uri);
- }
-
- if ($uri == '')
- {
- return $this->slash_item('base_url').$this->item('index_page');
- }
- else
- {
- $suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
- return $this->slash_item('base_url').$this->slash_item('index_page').trim($uri, '/').$suffix;
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * System URL
- *
- * @access public
- * @return string
- */
- function system_url()
- {
- $x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH));
- return $this->slash_item('base_url').end($x).'/';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set a config file item
- *
- * @access public
- * @param string the config item key
- * @param string the config item value
- * @return void
- */
- function set_item($item, $value)
- {
- $this->config[$item] = $value;
- }
-
-}
-
-// END CI_Config class
-
-/* End of file Config.php */
-/* Location: ./system/libraries/Config.php */ \ No newline at end of file
diff --git a/system/libraries/Controller.php b/system/libraries/Controller.php
deleted file mode 100644
index c5637c951..000000000
--- a/system/libraries/Controller.php
+++ /dev/null
@@ -1,127 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Application Controller Class
- *
- * This class object is the super class that every library in
- * CodeIgniter will be assigned to.
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Libraries
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/general/controllers.html
- */
-class Controller extends CI_Base {
-
- var $_ci_scaffolding = FALSE;
- var $_ci_scaff_table = FALSE;
-
- /**
- * Constructor
- *
- * Calls the initialize() function
- */
- function Controller()
- {
- parent::CI_Base();
- $this->_ci_initialize();
- log_message('debug', "Controller Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Initialize
- *
- * Assigns all the bases classes loaded by the front controller to
- * variables in this class. Also calls the autoload routine.
- *
- * @access private
- * @return void
- */
- function _ci_initialize()
- {
- // Assign all the class objects that were instantiated by the
- // front controller to local class variables so that CI can be
- // run as one big super object.
- $classes = array(
- 'config' => 'Config',
- 'input' => 'Input',
- 'benchmark' => 'Benchmark',
- 'uri' => 'URI',
- 'output' => 'Output',
- 'lang' => 'Language',
- 'router' => 'Router'
- );
-
- foreach ($classes as $var => $class)
- {
- $this->$var =& load_class($class);
- }
-
- // In PHP 5 the Loader class is run as a discreet
- // class. In PHP 4 it extends the Controller
- if (floor(phpversion()) >= 5)
- {
- $this->load =& load_class('Loader');
- $this->load->_ci_autoloader();
- }
- else
- {
- $this->_ci_autoloader();
-
- // sync up the objects since PHP4 was working from a copy
- foreach (array_keys(get_object_vars($this)) as $attribute)
- {
- if (is_object($this->$attribute))
- {
- $this->load->$attribute =& $this->$attribute;
- }
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Run Scaffolding
- *
- * @access private
- * @return void
- */
- function _ci_scaffolding()
- {
- if ($this->_ci_scaffolding === FALSE OR $this->_ci_scaff_table === FALSE)
- {
- show_404('Scaffolding unavailable');
- }
-
- $method = ( ! in_array($this->uri->segment(3), array('add', 'insert', 'edit', 'update', 'view', 'delete', 'do_delete'), TRUE)) ? 'view' : $this->uri->segment(3);
-
- require_once(BASEPATH.'scaffolding/Scaffolding'.EXT);
- $scaff = new Scaffolding($this->_ci_scaff_table);
- $scaff->$method();
- }
-
-
-}
-// END _Controller class
-
-/* End of file Controller.php */
-/* Location: ./system/libraries/Controller.php */ \ No newline at end of file
diff --git a/system/libraries/Exceptions.php b/system/libraries/Exceptions.php
deleted file mode 100644
index bd567ccdc..000000000
--- a/system/libraries/Exceptions.php
+++ /dev/null
@@ -1,174 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Exceptions Class
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Exceptions
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/exceptions.html
- */
-class CI_Exceptions {
- var $action;
- var $severity;
- var $message;
- var $filename;
- var $line;
- var $ob_level;
-
- var $levels = array(
- E_ERROR => 'Error',
- E_WARNING => 'Warning',
- E_PARSE => 'Parsing Error',
- E_NOTICE => 'Notice',
- E_CORE_ERROR => 'Core Error',
- E_CORE_WARNING => 'Core Warning',
- E_COMPILE_ERROR => 'Compile Error',
- E_COMPILE_WARNING => 'Compile Warning',
- E_USER_ERROR => 'User Error',
- E_USER_WARNING => 'User Warning',
- E_USER_NOTICE => 'User Notice',
- E_STRICT => 'Runtime Notice'
- );
-
-
- /**
- * Constructor
- *
- */
- function CI_Exceptions()
- {
- $this->ob_level = ob_get_level();
- // Note: Do not log messages from this constructor.
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Exception Logger
- *
- * This function logs PHP generated error messages
- *
- * @access private
- * @param string the error severity
- * @param string the error string
- * @param string the error filepath
- * @param string the error line number
- * @return string
- */
- function log_exception($severity, $message, $filepath, $line)
- {
- $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
-
- log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * 404 Page Not Found Handler
- *
- * @access private
- * @param string
- * @return string
- */
- function show_404($page = '')
- {
- $heading = "404 Page Not Found";
- $message = "The page you requested was not found.";
-
- log_message('error', '404 Page Not Found --> '.$page);
- echo $this->show_error($heading, $message, 'error_404', 404);
- exit;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * General Error Page
- *
- * This function takes an error message as input
- * (either as a string or an array) and displays
- * it using the specified template.
- *
- * @access private
- * @param string the heading
- * @param string the message
- * @param string the template name
- * @return string
- */
- function show_error($heading, $message, $template = 'error_general', $status_code = 500)
- {
- set_status_header($status_code);
-
- $message = '<p>'.implode('</p><p>', ( ! is_array($message)) ? array($message) : $message).'</p>';
-
- if (ob_get_level() > $this->ob_level + 1)
- {
- ob_end_flush();
- }
- ob_start();
- include(APPPATH.'errors/'.$template.EXT);
- $buffer = ob_get_contents();
- ob_end_clean();
- return $buffer;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Native PHP error handler
- *
- * @access private
- * @param string the error severity
- * @param string the error string
- * @param string the error filepath
- * @param string the error line number
- * @return string
- */
- function show_php_error($severity, $message, $filepath, $line)
- {
- $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity];
-
- $filepath = str_replace("\\", "/", $filepath);
-
- // For safety reasons we do not show the full file path
- if (FALSE !== strpos($filepath, '/'))
- {
- $x = explode('/', $filepath);
- $filepath = $x[count($x)-2].'/'.end($x);
- }
-
- if (ob_get_level() > $this->ob_level + 1)
- {
- ob_end_flush();
- }
- ob_start();
- include(APPPATH.'errors/error_php'.EXT);
- $buffer = ob_get_contents();
- ob_end_clean();
- echo $buffer;
- }
-
-
-}
-// END Exceptions Class
-
-/* End of file Exceptions.php */
-/* Location: ./system/libraries/Exceptions.php */ \ No newline at end of file
diff --git a/system/libraries/Hooks.php b/system/libraries/Hooks.php
deleted file mode 100644
index 6d736c3f6..000000000
--- a/system/libraries/Hooks.php
+++ /dev/null
@@ -1,226 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Hooks Class
- *
- * Provides a mechanism to extend the base system without hacking. Most of
- * this class is borrowed from Paul's Extension class in ExpressionEngine.
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Libraries
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/encryption.html
- */
-class CI_Hooks {
-
- var $enabled = FALSE;
- var $hooks = array();
- var $in_progress = FALSE;
-
- /**
- * Constructor
- *
- */
- function CI_Hooks()
- {
- $this->_initialize();
- log_message('debug', "Hooks Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Initialize the Hooks Preferences
- *
- * @access private
- * @return void
- */
- function _initialize()
- {
- $CFG =& load_class('Config');
-
- // If hooks are not enabled in the config file
- // there is nothing else to do
-
- if ($CFG->item('enable_hooks') == FALSE)
- {
- return;
- }
-
- // Grab the "hooks" definition file.
- // If there are no hooks, we're done.
-
- @include(APPPATH.'config/hooks'.EXT);
-
- if ( ! isset($hook) OR ! is_array($hook))
- {
- return;
- }
-
- $this->hooks =& $hook;
- $this->enabled = TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Call Hook
- *
- * Calls a particular hook
- *
- * @access private
- * @param string the hook name
- * @return mixed
- */
- function _call_hook($which = '')
- {
- if ( ! $this->enabled OR ! isset($this->hooks[$which]))
- {
- return FALSE;
- }
-
- if (isset($this->hooks[$which][0]) AND is_array($this->hooks[$which][0]))
- {
- foreach ($this->hooks[$which] as $val)
- {
- $this->_run_hook($val);
- }
- }
- else
- {
- $this->_run_hook($this->hooks[$which]);
- }
-
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Run Hook
- *
- * Runs a particular hook
- *
- * @access private
- * @param array the hook details
- * @return bool
- */
- function _run_hook($data)
- {
- if ( ! is_array($data))
- {
- return FALSE;
- }
-
- // -----------------------------------
- // Safety - Prevents run-away loops
- // -----------------------------------
-
- // If the script being called happens to have the same
- // hook call within it a loop can happen
-
- if ($this->in_progress == TRUE)
- {
- return;
- }
-
- // -----------------------------------
- // Set file path
- // -----------------------------------
-
- if ( ! isset($data['filepath']) OR ! isset($data['filename']))
- {
- return FALSE;
- }
-
- $filepath = APPPATH.$data['filepath'].'/'.$data['filename'];
-
- if ( ! file_exists($filepath))
- {
- return FALSE;
- }
-
- // -----------------------------------
- // Set class/function name
- // -----------------------------------
-
- $class = FALSE;
- $function = FALSE;
- $params = '';
-
- if (isset($data['class']) AND $data['class'] != '')
- {
- $class = $data['class'];
- }
-
- if (isset($data['function']))
- {
- $function = $data['function'];
- }
-
- if (isset($data['params']))
- {
- $params = $data['params'];
- }
-
- if ($class === FALSE AND $function === FALSE)
- {
- return FALSE;
- }
-
- // -----------------------------------
- // Set the in_progress flag
- // -----------------------------------
-
- $this->in_progress = TRUE;
-
- // -----------------------------------
- // Call the requested class and/or function
- // -----------------------------------
-
- if ($class !== FALSE)
- {
- if ( ! class_exists($class))
- {
- require($filepath);
- }
-
- $HOOK = new $class;
- $HOOK->$function($params);
- }
- else
- {
- if ( ! function_exists($function))
- {
- require($filepath);
- }
-
- $function($params);
- }
-
- $this->in_progress = FALSE;
- return TRUE;
- }
-
-}
-
-// END CI_Hooks class
-
-/* End of file Hooks.php */
-/* Location: ./system/libraries/Hooks.php */ \ No newline at end of file
diff --git a/system/libraries/Input.php b/system/libraries/Input.php
deleted file mode 100644
index e736d2b8b..000000000
--- a/system/libraries/Input.php
+++ /dev/null
@@ -1,1067 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Input Class
- *
- * Pre-processes global input data for security
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Input
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/input.html
- */
-class CI_Input {
- var $use_xss_clean = FALSE;
- var $xss_hash = '';
- var $ip_address = FALSE;
- var $user_agent = FALSE;
- var $allow_get_array = FALSE;
-
- /* never allowed, string replacement */
- var $never_allowed_str = array(
- 'document.cookie' => '[removed]',
- 'document.write' => '[removed]',
- '.parentNode' => '[removed]',
- '.innerHTML' => '[removed]',
- 'window.location' => '[removed]',
- '-moz-binding' => '[removed]',
- '<!--' => '&lt;!--',
- '-->' => '--&gt;',
- '<![CDATA[' => '&lt;![CDATA['
- );
- /* never allowed, regex replacement */
- var $never_allowed_regex = array(
- "javascript\s*:" => '[removed]',
- "expression\s*(\(|&\#40;)" => '[removed]', // CSS and IE
- "vbscript\s*:" => '[removed]', // IE, surprise!
- "Redirect\s+302" => '[removed]'
- );
-
- /**
- * Constructor
- *
- * Sets whether to globally enable the XSS processing
- * and whether to allow the $_GET array
- *
- * @access public
- */
- function CI_Input()
- {
- log_message('debug', "Input Class Initialized");
-
- $CFG =& load_class('Config');
- $this->use_xss_clean = ($CFG->item('global_xss_filtering') === TRUE) ? TRUE : FALSE;
- $this->allow_get_array = ($CFG->item('enable_query_strings') === TRUE) ? TRUE : FALSE;
- $this->_sanitize_globals();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sanitize Globals
- *
- * This function does the following:
- *
- * Unsets $_GET data (if query strings are not enabled)
- *
- * Unsets all globals if register_globals is enabled
- *
- * Standardizes newline characters to \n
- *
- * @access private
- * @return void
- */
- function _sanitize_globals()
- {
- // Would kind of be "wrong" to unset any of these GLOBALS
- $protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
- 'system_folder', 'application_folder', 'BM', 'EXT', 'CFG', 'URI', 'RTR', 'OUT', 'IN');
-
- // Unset globals for security.
- // This is effectively the same as register_globals = off
- foreach (array($_GET, $_POST, $_COOKIE, $_SERVER, $_FILES, $_ENV, (isset($_SESSION) && is_array($_SESSION)) ? $_SESSION : array()) as $global)
- {
- if ( ! is_array($global))
- {
- if ( ! in_array($global, $protected))
- {
- unset($GLOBALS[$global]);
- }
- }
- else
- {
- foreach ($global as $key => $val)
- {
- if ( ! in_array($key, $protected))
- {
- unset($GLOBALS[$key]);
- }
-
- if (is_array($val))
- {
- foreach($val as $k => $v)
- {
- if ( ! in_array($k, $protected))
- {
- unset($GLOBALS[$k]);
- }
- }
- }
- }
- }
- }
-
- // Is $_GET data allowed? If not we'll set the $_GET to an empty array
- if ($this->allow_get_array == FALSE)
- {
- $_GET = array();
- }
- else
- {
- $_GET = $this->_clean_input_data($_GET);
- }
-
- // Clean $_POST Data
- $_POST = $this->_clean_input_data($_POST);
-
- // Clean $_COOKIE Data
- // Also get rid of specially treated cookies that might be set by a server
- // or silly application, that are of no use to a CI application anyway
- // but that when present will trip our 'Disallowed Key Characters' alarm
- // http://www.ietf.org/rfc/rfc2109.txt
- // note that the key names below are single quoted strings, and are not PHP variables
- unset($_COOKIE['$Version']);
- unset($_COOKIE['$Path']);
- unset($_COOKIE['$Domain']);
- $_COOKIE = $this->_clean_input_data($_COOKIE);
-
- log_message('debug', "Global POST and COOKIE data sanitized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Clean Input Data
- *
- * This is a helper function. It escapes data and
- * standardizes newline characters to \n
- *
- * @access private
- * @param string
- * @return string
- */
- function _clean_input_data($str)
- {
- if (is_array($str))
- {
- $new_array = array();
- foreach ($str as $key => $val)
- {
- $new_array[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
- }
- return $new_array;
- }
-
- // We strip slashes if magic quotes is on to keep things consistent
- if (get_magic_quotes_gpc())
- {
- $str = stripslashes($str);
- }
-
- // Should we filter the input data?
- if ($this->use_xss_clean === TRUE)
- {
- $str = $this->xss_clean($str);
- }
-
- // Standardize newlines
- if (strpos($str, "\r") !== FALSE)
- {
- $str = str_replace(array("\r\n", "\r"), "\n", $str);
- }
-
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Clean Keys
- *
- * This is a helper function. To prevent malicious users
- * from trying to exploit keys we make sure that keys are
- * only named with alpha-numeric text and a few other items.
- *
- * @access private
- * @param string
- * @return string
- */
- function _clean_input_keys($str)
- {
- if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str))
- {
- exit('Disallowed Key Characters.');
- }
-
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch from array
- *
- * This is a helper function to retrieve values from global arrays
- *
- * @access private
- * @param array
- * @param string
- * @param bool
- * @return string
- */
- function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE)
- {
- if ( ! isset($array[$index]))
- {
- return FALSE;
- }
-
- if ($xss_clean === TRUE)
- {
- return $this->xss_clean($array[$index]);
- }
-
- return $array[$index];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch an item from the GET array
- *
- * @access public
- * @param string
- * @param bool
- * @return string
- */
- function get($index = '', $xss_clean = FALSE)
- {
- return $this->_fetch_from_array($_GET, $index, $xss_clean);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch an item from the POST array
- *
- * @access public
- * @param string
- * @param bool
- * @return string
- */
- function post($index = '', $xss_clean = FALSE)
- {
- return $this->_fetch_from_array($_POST, $index, $xss_clean);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch an item from either the GET array or the POST
- *
- * @access public
- * @param string The index key
- * @param bool XSS cleaning
- * @return string
- */
- function get_post($index = '', $xss_clean = FALSE)
- {
- if ( ! isset($_POST[$index]) )
- {
- return $this->get($index, $xss_clean);
- }
- else
- {
- return $this->post($index, $xss_clean);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch an item from the COOKIE array
- *
- * @access public
- * @param string
- * @param bool
- * @return string
- */
- function cookie($index = '', $xss_clean = FALSE)
- {
- return $this->_fetch_from_array($_COOKIE, $index, $xss_clean);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch an item from the SERVER array
- *
- * @access public
- * @param string
- * @param bool
- * @return string
- */
- function server($index = '', $xss_clean = FALSE)
- {
- return $this->_fetch_from_array($_SERVER, $index, $xss_clean);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the IP Address
- *
- * @access public
- * @return string
- */
- function ip_address()
- {
- if ($this->ip_address !== FALSE)
- {
- return $this->ip_address;
- }
-
- if (config_item('proxy_ips') != '' && $this->server('HTTP_X_FORWARDED_FOR') && $this->server('REMOTE_ADDR'))
- {
- $proxies = preg_split('/[\s,]/', config_item('proxy_ips'), -1, PREG_SPLIT_NO_EMPTY);
- $proxies = is_array($proxies) ? $proxies : array($proxies);
-
- $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
- }
- elseif ($this->server('REMOTE_ADDR') AND $this->server('HTTP_CLIENT_IP'))
- {
- $this->ip_address = $_SERVER['HTTP_CLIENT_IP'];
- }
- elseif ($this->server('REMOTE_ADDR'))
- {
- $this->ip_address = $_SERVER['REMOTE_ADDR'];
- }
- elseif ($this->server('HTTP_CLIENT_IP'))
- {
- $this->ip_address = $_SERVER['HTTP_CLIENT_IP'];
- }
- elseif ($this->server('HTTP_X_FORWARDED_FOR'))
- {
- $this->ip_address = $_SERVER['HTTP_X_FORWARDED_FOR'];
- }
-
- if ($this->ip_address === FALSE)
- {
- $this->ip_address = '0.0.0.0';
- return $this->ip_address;
- }
-
- if (strstr($this->ip_address, ','))
- {
- $x = explode(',', $this->ip_address);
- $this->ip_address = trim(end($x));
- }
-
- if ( ! $this->valid_ip($this->ip_address))
- {
- $this->ip_address = '0.0.0.0';
- }
-
- return $this->ip_address;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Validate IP Address
- *
- * Updated version suggested by Geert De Deckere
- *
- * @access public
- * @param string
- * @return string
- */
- function valid_ip($ip)
- {
- $ip_segments = explode('.', $ip);
-
- // Always 4 segments needed
- if (count($ip_segments) != 4)
- {
- return FALSE;
- }
- // IP can not start with 0
- if ($ip_segments[0][0] == '0')
- {
- return FALSE;
- }
- // Check each segment
- foreach ($ip_segments as $segment)
- {
- // IP segments must be digits and can not be
- // longer than 3 digits or greater then 255
- if ($segment == '' OR preg_match("/[^0-9]/", $segment) OR $segment > 255 OR strlen($segment) > 3)
- {
- return FALSE;
- }
- }
-
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * User Agent
- *
- * @access public
- * @return string
- */
- function user_agent()
- {
- if ($this->user_agent !== FALSE)
- {
- return $this->user_agent;
- }
-
- $this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT'];
-
- return $this->user_agent;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Filename Security
- *
- * @access public
- * @param string
- * @return string
- */
- function filename_security($str)
- {
- $bad = array(
- "../",
- "./",
- "<!--",
- "-->",
- "<",
- ">",
- "'",
- '"',
- '&',
- '$',
- '#',
- '{',
- '}',
- '[',
- ']',
- '=',
- ';',
- '?',
- "%20",
- "%22",
- "%3c", // <
- "%253c", // <
- "%3e", // >
- "%0e", // >
- "%28", // (
- "%29", // )
- "%2528", // (
- "%26", // &
- "%24", // $
- "%3f", // ?
- "%3b", // ;
- "%3d" // =
- );
-
- return stripslashes(str_replace($bad, '', $str));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * XSS Clean
- *
- * Sanitizes data so that Cross Site Scripting Hacks can be
- * prevented. This function does a fair amount of work but
- * it is extremely thorough, designed to prevent even the
- * most obscure XSS attempts. Nothing is ever 100% foolproof,
- * of course, but I haven't been able to get anything passed
- * the filter.
- *
- * Note: This function should only be used to deal with data
- * upon submission. It's not something that should
- * be used for general runtime processing.
- *
- * This function was based in part on some code and ideas I
- * got from Bitflux: http://blog.bitflux.ch/wiki/XSS_Prevention
- *
- * To help develop this script I used this great list of
- * vulnerabilities along with a few other hacks I've
- * harvested from examining vulnerabilities in other programs:
- * http://ha.ckers.org/xss.html
- *
- * @access public
- * @param string
- * @return string
- */
- function xss_clean($str, $is_image = FALSE)
- {
- /*
- * Is the string an array?
- *
- */
- if (is_array($str))
- {
- while (list($key) = each($str))
- {
- $str[$key] = $this->xss_clean($str[$key]);
- }
-
- return $str;
- }
-
- /*
- * Remove Invisible Characters
- */
- $str = $this->_remove_invisible_characters($str);
-
- /*
- * Protect GET variables in URLs
- */
-
- // 901119URL5918AMP18930PROTECT8198
-
- $str = preg_replace('|\&([a-z\_0-9\-]+)\=([a-z\_0-9\-]+)|i', $this->xss_hash()."\\1=\\2", $str);
-
- /*
- * Validate standard character entities
- *
- * Add a semicolon if missing. We do this to enable
- * the conversion of entities to ASCII later.
- *
- */
- $str = preg_replace('#(&\#?[0-9a-z]{2,})([\x00-\x20])*;?#i', "\\1;\\2", $str);
-
- /*
- * Validate UTF16 two byte encoding (x00)
- *
- * Just as above, adds a semicolon if missing.
- *
- */
- $str = preg_replace('#(&\#x?)([0-9A-F]+);?#i',"\\1\\2;",$str);
-
- /*
- * Un-Protect GET variables in URLs
- */
- $str = str_replace($this->xss_hash(), '&', $str);
-
- /*
- * URL Decode
- *
- * Just in case stuff like this is submitted:
- *
- * <a href="http://%77%77%77%2E%67%6F%6F%67%6C%65%2E%63%6F%6D">Google</a>
- *
- * Note: Use rawurldecode() so it does not remove plus signs
- *
- */
- $str = rawurldecode($str);
-
- /*
- * Convert character entities to ASCII
- *
- * This permits our tests below to work reliably.
- * We only convert entities that are within tags since
- * these are the ones that will pose security problems.
- *
- */
-
- $str = preg_replace_callback("/[a-z]+=([\'\"]).*?\\1/si", array($this, '_convert_attribute'), $str);
-
- $str = preg_replace_callback("/<\w+.*?(?=>|<|$)/si", array($this, '_html_entity_decode_callback'), $str);
-
- /*
- * Remove Invisible Characters Again!
- */
- $str = $this->_remove_invisible_characters($str);
-
- /*
- * Convert all tabs to spaces
- *
- * This prevents strings like this: ja vascript
- * NOTE: we deal with spaces between characters later.
- * NOTE: preg_replace was found to be amazingly slow here on large blocks of data,
- * so we use str_replace.
- *
- */
-
- if (strpos($str, "\t") !== FALSE)
- {
- $str = str_replace("\t", ' ', $str);
- }
-
- /*
- * Capture converted string for later comparison
- */
- $converted_string = $str;
-
- /*
- * Not Allowed Under Any Conditions
- */
-
- foreach ($this->never_allowed_str as $key => $val)
- {
- $str = str_replace($key, $val, $str);
- }
-
- foreach ($this->never_allowed_regex as $key => $val)
- {
- $str = preg_replace("#".$key."#i", $val, $str);
- }
-
- /*
- * Makes PHP tags safe
- *
- * Note: XML tags are inadvertently replaced too:
- *
- * <?xml
- *
- * But it doesn't seem to pose a problem.
- *
- */
- if ($is_image === TRUE)
- {
- // Images have a tendency to have the PHP short opening and closing tags every so often
- // so we skip those and only do the long opening tags.
- $str = preg_replace('/<\?(php)/i', "&lt;?\\1", $str);
- }
- else
- {
- $str = str_replace(array('<?', '?'.'>'), array('&lt;?', '?&gt;'), $str);
- }
-
- /*
- * Compact any exploded words
- *
- * This corrects words like: j a v a s c r i p t
- * These words are compacted back to their correct state.
- *
- */
- $words = array('javascript', 'expression', 'vbscript', 'script', 'applet', 'alert', 'document', 'write', 'cookie', 'window');
- foreach ($words as $word)
- {
- $temp = '';
-
- for ($i = 0, $wordlen = strlen($word); $i < $wordlen; $i++)
- {
- $temp .= substr($word, $i, 1)."\s*";
- }
-
- // We only want to do this when it is followed by a non-word character
- // That way valid stuff like "dealer to" does not become "dealerto"
- $str = preg_replace_callback('#('.substr($temp, 0, -3).')(\W)#is', array($this, '_compact_exploded_words'), $str);
- }
-
- /*
- * Remove disallowed Javascript in links or img tags
- * We used to do some version comparisons and use of stripos for PHP5, but it is dog slow compared
- * to these simplified non-capturing preg_match(), especially if the pattern exists in the string
- */
- do
- {
- $original = $str;
-
- if (preg_match("/<a/i", $str))
- {
- $str = preg_replace_callback("#<a\s+([^>]*?)(>|$)#si", array($this, '_js_link_removal'), $str);
- }
-
- if (preg_match("/<img/i", $str))
- {
- $str = preg_replace_callback("#<img\s+([^>]*?)(\s?/?>|$)#si", array($this, '_js_img_removal'), $str);
- }
-
- if (preg_match("/script/i", $str) OR preg_match("/xss/i", $str))
- {
- $str = preg_replace("#<(/*)(script|xss)(.*?)\>#si", '[removed]', $str);
- }
- }
- while($original != $str);
-
- unset($original);
-
- /*
- * Remove JavaScript Event Handlers
- *
- * Note: This code is a little blunt. It removes
- * the event handler and anything up to the closing >,
- * but it's unlikely to be a problem.
- *
- */
- $event_handlers = array('[^a-z_\-]on\w*','xmlns');
-
- if ($is_image === TRUE)
- {
- /*
- * Adobe Photoshop puts XML metadata into JFIF images, including namespacing,
- * so we have to allow this for images. -Paul
- */
- unset($event_handlers[array_search('xmlns', $event_handlers)]);
- }
-
- $str = preg_replace("#<([^><]+?)(".implode('|', $event_handlers).")(\s*=\s*[^><]*)([><]*)#i", "<\\1\\4", $str);
-
- /*
- * Sanitize naughty HTML elements
- *
- * If a tag containing any of the words in the list
- * below is found, the tag gets converted to entities.
- *
- * So this: <blink>
- * Becomes: &lt;blink&gt;
- *
- */
- $naughty = 'alert|applet|audio|basefont|base|behavior|bgsound|blink|body|embed|expression|form|frameset|frame|head|html|ilayer|iframe|input|isindex|layer|link|meta|object|plaintext|style|script|textarea|title|video|xml|xss';
- $str = preg_replace_callback('#<(/*\s*)('.$naughty.')([^><]*)([><]*)#is', array($this, '_sanitize_naughty_html'), $str);
-
- /*
- * Sanitize naughty scripting elements
- *
- * Similar to above, only instead of looking for
- * tags it looks for PHP and JavaScript commands
- * that are disallowed. Rather than removing the
- * code, it simply converts the parenthesis to entities
- * rendering the code un-executable.
- *
- * For example: eval('some code')
- * Becomes: eval&#40;'some code'&#41;
- *
- */
- $str = preg_replace('#(alert|cmd|passthru|eval|exec|expression|system|fopen|fsockopen|file|file_get_contents|readfile|unlink)(\s*)\((.*?)\)#si', "\\1\\2&#40;\\3&#41;", $str);
-
- /*
- * Final clean up
- *
- * This adds a bit of extra precaution in case
- * something got through the above filters
- *
- */
- foreach ($this->never_allowed_str as $key => $val)
- {
- $str = str_replace($key, $val, $str);
- }
-
- foreach ($this->never_allowed_regex as $key => $val)
- {
- $str = preg_replace("#".$key."#i", $val, $str);
- }
-
- /*
- * Images are Handled in a Special Way
- * - Essentially, we want to know that after all of the character conversion is done whether
- * any unwanted, likely XSS, code was found. If not, we return TRUE, as the image is clean.
- * However, if the string post-conversion does not matched the string post-removal of XSS,
- * then it fails, as there was unwanted XSS code found and removed/changed during processing.
- */
-
- if ($is_image === TRUE)
- {
- if ($str == $converted_string)
- {
- return TRUE;
- }
- else
- {
- return FALSE;
- }
- }
-
- log_message('debug', "XSS Filtering completed");
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Random Hash for protecting URLs
- *
- * @access public
- * @return string
- */
- function xss_hash()
- {
- if ($this->xss_hash == '')
- {
- if (phpversion() >= 4.2)
- mt_srand();
- else
- mt_srand(hexdec(substr(md5(microtime()), -8)) & 0x7fffffff);
-
- $this->xss_hash = md5(time() + mt_rand(0, 1999999999));
- }
-
- return $this->xss_hash;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Remove Invisible Characters
- *
- * This prevents sandwiching null characters
- * between ascii characters, like Java\0script.
- *
- * @access public
- * @param string
- * @return string
- */
- function _remove_invisible_characters($str)
- {
- static $non_displayables;
-
- if ( ! isset($non_displayables))
- {
- // every control character except newline (dec 10), carriage return (dec 13), and horizontal tab (dec 09),
- $non_displayables = array(
- '/%0[0-8bcef]/', // url encoded 00-08, 11, 12, 14, 15
- '/%1[0-9a-f]/', // url encoded 16-31
- '/[\x00-\x08]/', // 00-08
- '/\x0b/', '/\x0c/', // 11, 12
- '/[\x0e-\x1f]/' // 14-31
- );
- }
-
- do
- {
- $cleaned = $str;
- $str = preg_replace($non_displayables, '', $str);
- }
- while ($cleaned != $str);
-
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Compact Exploded Words
- *
- * Callback function for xss_clean() to remove whitespace from
- * things like j a v a s c r i p t
- *
- * @access public
- * @param type
- * @return type
- */
- function _compact_exploded_words($matches)
- {
- return preg_replace('/\s+/s', '', $matches[1]).$matches[2];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sanitize Naughty HTML
- *
- * Callback function for xss_clean() to remove naughty HTML elements
- *
- * @access private
- * @param array
- * @return string
- */
- function _sanitize_naughty_html($matches)
- {
- // encode opening brace
- $str = '&lt;'.$matches[1].$matches[2].$matches[3];
-
- // encode captured opening or closing brace to prevent recursive vectors
- $str .= str_replace(array('>', '<'), array('&gt;', '&lt;'), $matches[4]);
-
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * JS Link Removal
- *
- * Callback function for xss_clean() to sanitize links
- * This limits the PCRE backtracks, making it more performance friendly
- * and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in
- * PHP 5.2+ on link-heavy strings
- *
- * @access private
- * @param array
- * @return string
- */
- function _js_link_removal($match)
- {
- $attributes = $this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]));
- return str_replace($match[1], preg_replace("#href=.*?(alert\(|alert&\#40;|javascript\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si", "", $attributes), $match[0]);
- }
-
- /**
- * JS Image Removal
- *
- * Callback function for xss_clean() to sanitize image tags
- * This limits the PCRE backtracks, making it more performance friendly
- * and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in
- * PHP 5.2+ on image tag heavy strings
- *
- * @access private
- * @param array
- * @return string
- */
- function _js_img_removal($match)
- {
- $attributes = $this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]));
- return str_replace($match[1], preg_replace("#src=.*?(alert\(|alert&\#40;|javascript\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si", "", $attributes), $match[0]);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Attribute Conversion
- *
- * Used as a callback for XSS Clean
- *
- * @access public
- * @param array
- * @return string
- */
- function _convert_attribute($match)
- {
- return str_replace(array('>', '<', '\\'), array('&gt;', '&lt;', '\\\\'), $match[0]);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * HTML Entity Decode Callback
- *
- * Used as a callback for XSS Clean
- *
- * @access public
- * @param array
- * @return string
- */
- function _html_entity_decode_callback($match)
- {
- $CFG =& load_class('Config');
- $charset = $CFG->item('charset');
-
- return $this->_html_entity_decode($match[0], strtoupper($charset));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * HTML Entities Decode
- *
- * This function is a replacement for html_entity_decode()
- *
- * In some versions of PHP the native function does not work
- * when UTF-8 is the specified character set, so this gives us
- * a work-around. More info here:
- * http://bugs.php.net/bug.php?id=25670
- *
- * @access private
- * @param string
- * @param string
- * @return string
- */
- /* -------------------------------------------------
- /* Replacement for html_entity_decode()
- /* -------------------------------------------------*/
-
- /*
- NOTE: html_entity_decode() has a bug in some PHP versions when UTF-8 is the
- character set, and the PHP developers said they were not back porting the
- fix to versions other than PHP 5.x.
- */
- function _html_entity_decode($str, $charset='UTF-8')
- {
- if (stristr($str, '&') === FALSE) return $str;
-
- // The reason we are not using html_entity_decode() by itself is because
- // while it is not technically correct to leave out the semicolon
- // at the end of an entity most browsers will still interpret the entity
- // correctly. html_entity_decode() does not convert entities without
- // semicolons, so we are left with our own little solution here. Bummer.
-
- if (function_exists('html_entity_decode') && (strtolower($charset) != 'utf-8' OR version_compare(phpversion(), '5.0.0', '>=')))
- {
- $str = html_entity_decode($str, ENT_COMPAT, $charset);
- $str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str);
- return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str);
- }
-
- // Numeric Entities
- $str = preg_replace('~&#x(0*[0-9a-f]{2,5});{0,1}~ei', 'chr(hexdec("\\1"))', $str);
- $str = preg_replace('~&#([0-9]{2,4});{0,1}~e', 'chr(\\1)', $str);
-
- // Literal Entities - Slightly slow so we do another check
- if (stristr($str, '&') === FALSE)
- {
- $str = strtr($str, array_flip(get_html_translation_table(HTML_ENTITIES)));
- }
-
- return $str;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Filter Attributes
- *
- * Filters tag attributes for consistency and safety
- *
- * @access public
- * @param string
- * @return string
- */
- function _filter_attributes($str)
- {
- $out = '';
-
- if (preg_match_all('#\s*[a-z\-]+\s*=\s*(\042|\047)([^\\1]*?)\\1#is', $str, $matches))
- {
- foreach ($matches[0] as $match)
- {
- $out .= preg_replace("#/\*.*?\*/#s", '', $match);
- }
- }
-
- return $out;
- }
-
- // --------------------------------------------------------------------
-
-}
-// END Input class
-
-/* End of file Input.php */
-/* Location: ./system/libraries/Input.php */ \ No newline at end of file
diff --git a/system/libraries/Language.php b/system/libraries/Language.php
deleted file mode 100644
index 515d04a40..000000000
--- a/system/libraries/Language.php
+++ /dev/null
@@ -1,123 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Language Class
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Language
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/language.html
- */
-class CI_Language {
-
- var $language = array();
- var $is_loaded = array();
-
- /**
- * Constructor
- *
- * @access public
- */
- function CI_Language()
- {
- log_message('debug', "Language Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load a language file
- *
- * @access public
- * @param mixed the name of the language file to be loaded. Can be an array
- * @param string the language (english, etc.)
- * @return mixed
- */
- function load($langfile = '', $idiom = '', $return = FALSE)
- {
- $langfile = str_replace(EXT, '', str_replace('_lang.', '', $langfile)).'_lang'.EXT;
-
- if (in_array($langfile, $this->is_loaded, TRUE))
- {
- return;
- }
-
- if ($idiom == '')
- {
- $CI =& get_instance();
- $deft_lang = $CI->config->item('language');
- $idiom = ($deft_lang == '') ? 'english' : $deft_lang;
- }
-
- // Determine where the language file is and load it
- if (file_exists(APPPATH.'language/'.$idiom.'/'.$langfile))
- {
- include(APPPATH.'language/'.$idiom.'/'.$langfile);
- }
- else
- {
- if (file_exists(BASEPATH.'language/'.$idiom.'/'.$langfile))
- {
- include(BASEPATH.'language/'.$idiom.'/'.$langfile);
- }
- else
- {
- show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
- }
- }
-
- if ( ! isset($lang))
- {
- log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
- return;
- }
-
- if ($return == TRUE)
- {
- return $lang;
- }
-
- $this->is_loaded[] = $langfile;
- $this->language = array_merge($this->language, $lang);
- unset($lang);
-
- log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a single line of text from the language array
- *
- * @access public
- * @param string $line the language line
- * @return string
- */
- function line($line = '')
- {
- $line = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];
- return $line;
- }
-
-}
-// END Language Class
-
-/* End of file Language.php */
-/* Location: ./system/libraries/Language.php */ \ No newline at end of file
diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
deleted file mode 100644
index 2cd2e93b9..000000000
--- a/system/libraries/Loader.php
+++ /dev/null
@@ -1,1085 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Loader Class
- *
- * Loads views and files
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @author ExpressionEngine Dev Team
- * @category Loader
- * @link http://codeigniter.com/user_guide/libraries/loader.html
- */
-class CI_Loader {
-
- // All these are set automatically. Don't mess with them.
- var $_ci_ob_level;
- var $_ci_view_path = '';
- var $_ci_is_php5 = FALSE;
- var $_ci_is_instance = FALSE; // Whether we should use $this or $CI =& get_instance()
- var $_ci_cached_vars = array();
- var $_ci_classes = array();
- var $_ci_loaded_files = array();
- var $_ci_models = array();
- var $_ci_helpers = array();
- var $_ci_plugins = array();
- var $_ci_varmap = array('unit_test' => 'unit', 'user_agent' => 'agent');
-
-
- /**
- * Constructor
- *
- * Sets the path to the view files and gets the initial output buffering level
- *
- * @access public
- */
- function CI_Loader()
- {
- $this->_ci_is_php5 = (floor(phpversion()) >= 5) ? TRUE : FALSE;
- $this->_ci_view_path = APPPATH.'views/';
- $this->_ci_ob_level = ob_get_level();
-
- log_message('debug', "Loader Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Class Loader
- *
- * This function lets users load and instantiate classes.
- * It is designed to be called from a user's app controllers.
- *
- * @access public
- * @param string the name of the class
- * @param mixed the optional parameters
- * @param string an optional object name
- * @return void
- */
- function library($library = '', $params = NULL, $object_name = NULL)
- {
- if ($library == '')
- {
- return FALSE;
- }
-
- if ( ! is_null($params) AND ! is_array($params))
- {
- $params = NULL;
- }
-
- if (is_array($library))
- {
- foreach ($library as $class)
- {
- $this->_ci_load_class($class, $params, $object_name);
- }
- }
- else
- {
- $this->_ci_load_class($library, $params, $object_name);
- }
-
- $this->_ci_assign_to_models();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Model Loader
- *
- * This function lets users load and instantiate models.
- *
- * @access public
- * @param string the name of the class
- * @param string name for the model
- * @param bool database connection
- * @return void
- */
- function model($model, $name = '', $db_conn = FALSE)
- {
- if (is_array($model))
- {
- foreach($model as $babe)
- {
- $this->model($babe);
- }
- return;
- }
-
- if ($model == '')
- {
- return;
- }
-
- // Is the model in a sub-folder? If so, parse out the filename and path.
- if (strpos($model, '/') === FALSE)
- {
- $path = '';
- }
- else
- {
- $x = explode('/', $model);
- $model = end($x);
- unset($x[count($x)-1]);
- $path = implode('/', $x).'/';
- }
-
- if ($name == '')
- {
- $name = $model;
- }
-
- if (in_array($name, $this->_ci_models, TRUE))
- {
- return;
- }
-
- $CI =& get_instance();
- if (isset($CI->$name))
- {
- show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
- }
-
- $model = strtolower($model);
-
- if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT))
- {
- show_error('Unable to locate the model you have specified: '.$model);
- }
-
- if ($db_conn !== FALSE AND ! class_exists('CI_DB'))
- {
- if ($db_conn === TRUE)
- $db_conn = '';
-
- $CI->load->database($db_conn, FALSE, TRUE);
- }
-
- if ( ! class_exists('Model'))
- {
- load_class('Model', FALSE);
- }
-
- require_once(APPPATH.'models/'.$path.$model.EXT);
-
- $model = ucfirst($model);
-
- $CI->$name = new $model();
- $CI->$name->_assign_libraries();
-
- $this->_ci_models[] = $name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Database Loader
- *
- * @access public
- * @param string the DB credentials
- * @param bool whether to return the DB object
- * @param bool whether to enable active record (this allows us to override the config setting)
- * @return object
- */
- function database($params = '', $return = FALSE, $active_record = NULL)
- {
- // Grab the super object
- $CI =& get_instance();
-
- // Do we even need to load the database class?
- if (class_exists('CI_DB') AND $return == FALSE AND $active_record == NULL AND isset($CI->db) AND is_object($CI->db))
- {
- return FALSE;
- }
-
- require_once(BASEPATH.'database/DB'.EXT);
-
- if ($return === TRUE)
- {
- return DB($params, $active_record);
- }
-
- // Initialize the db variable. Needed to prevent
- // reference errors with some configurations
- $CI->db = '';
-
- // Load the DB class
- $CI->db =& DB($params, $active_record);
-
- // Assign the DB object to any existing models
- $this->_ci_assign_to_models();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load the Utilities Class
- *
- * @access public
- * @return string
- */
- function dbutil()
- {
- if ( ! class_exists('CI_DB'))
- {
- $this->database();
- }
-
- $CI =& get_instance();
-
- // for backwards compatibility, load dbforge so we can extend dbutils off it
- // this use is deprecated and strongly discouraged
- $CI->load->dbforge();
-
- require_once(BASEPATH.'database/DB_utility'.EXT);
- require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);
- $class = 'CI_DB_'.$CI->db->dbdriver.'_utility';
-
- $CI->dbutil =& instantiate_class(new $class());
-
- $CI->load->_ci_assign_to_models();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load the Database Forge Class
- *
- * @access public
- * @return string
- */
- function dbforge()
- {
- if ( ! class_exists('CI_DB'))
- {
- $this->database();
- }
-
- $CI =& get_instance();
-
- require_once(BASEPATH.'database/DB_forge'.EXT);
- require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge'.EXT);
- $class = 'CI_DB_'.$CI->db->dbdriver.'_forge';
-
- $CI->dbforge = new $class();
-
- $CI->load->_ci_assign_to_models();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load View
- *
- * This function is used to load a "view" file. It has three parameters:
- *
- * 1. The name of the "view" file to be included.
- * 2. An associative array of data to be extracted for use in the view.
- * 3. TRUE/FALSE - whether to return the data or load it. In
- * some cases it's advantageous to be able to return data so that
- * a developer can process it in some way.
- *
- * @access public
- * @param string
- * @param array
- * @param bool
- * @return void
- */
- function view($view, $vars = array(), $return = FALSE)
- {
- return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load File
- *
- * This is a generic file loader
- *
- * @access public
- * @param string
- * @param bool
- * @return string
- */
- function file($path, $return = FALSE)
- {
- return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set Variables
- *
- * Once variables are set they become available within
- * the controller class and its "view" files.
- *
- * @access public
- * @param array
- * @return void
- */
- function vars($vars = array(), $val = '')
- {
- if ($val != '' AND is_string($vars))
- {
- $vars = array($vars => $val);
- }
-
- $vars = $this->_ci_object_to_array($vars);
-
- if (is_array($vars) AND count($vars) > 0)
- {
- foreach ($vars as $key => $val)
- {
- $this->_ci_cached_vars[$key] = $val;
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load Helper
- *
- * This function loads the specified helper file.
- *
- * @access public
- * @param mixed
- * @return void
- */
- function helper($helpers = array())
- {
- if ( ! is_array($helpers))
- {
- $helpers = array($helpers);
- }
-
- foreach ($helpers as $helper)
- {
- $helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper');
-
- if (isset($this->_ci_helpers[$helper]))
- {
- continue;
- }
-
- $ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.EXT;
-
- // Is this a helper extension request?
- if (file_exists($ext_helper))
- {
- $base_helper = BASEPATH.'helpers/'.$helper.EXT;
-
- if ( ! file_exists($base_helper))
- {
- show_error('Unable to load the requested file: helpers/'.$helper.EXT);
- }
-
- include_once($ext_helper);
- include_once($base_helper);
- }
- elseif (file_exists(APPPATH.'helpers/'.$helper.EXT))
- {
- include_once(APPPATH.'helpers/'.$helper.EXT);
- }
- else
- {
- if (file_exists(BASEPATH.'helpers/'.$helper.EXT))
- {
- include_once(BASEPATH.'helpers/'.$helper.EXT);
- }
- else
- {
- show_error('Unable to load the requested file: helpers/'.$helper.EXT);
- }
- }
-
- $this->_ci_helpers[$helper] = TRUE;
- log_message('debug', 'Helper loaded: '.$helper);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load Helpers
- *
- * This is simply an alias to the above function in case the
- * user has written the plural form of this function.
- *
- * @access public
- * @param array
- * @return void
- */
- function helpers($helpers = array())
- {
- $this->helper($helpers);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load Plugin
- *
- * This function loads the specified plugin.
- *
- * @access public
- * @param array
- * @return void
- */
- function plugin($plugins = array())
- {
- if ( ! is_array($plugins))
- {
- $plugins = array($plugins);
- }
-
- foreach ($plugins as $plugin)
- {
- $plugin = strtolower(str_replace(EXT, '', str_replace('_pi', '', $plugin)).'_pi');
-
- if (isset($this->_ci_plugins[$plugin]))
- {
- continue;
- }
-
- if (file_exists(APPPATH.'plugins/'.$plugin.EXT))
- {
- include_once(APPPATH.'plugins/'.$plugin.EXT);
- }
- else
- {
- if (file_exists(BASEPATH.'plugins/'.$plugin.EXT))
- {
- include_once(BASEPATH.'plugins/'.$plugin.EXT);
- }
- else
- {
- show_error('Unable to load the requested file: plugins/'.$plugin.EXT);
- }
- }
-
- $this->_ci_plugins[$plugin] = TRUE;
- log_message('debug', 'Plugin loaded: '.$plugin);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load Plugins
- *
- * This is simply an alias to the above function in case the
- * user has written the plural form of this function.
- *
- * @access public
- * @param array
- * @return void
- */
- function plugins($plugins = array())
- {
- $this->plugin($plugins);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Loads a language file
- *
- * @access public
- * @param array
- * @param string
- * @return void
- */
- function language($file = array(), $lang = '')
- {
- $CI =& get_instance();
-
- if ( ! is_array($file))
- {
- $file = array($file);
- }
-
- foreach ($file as $langfile)
- {
- $CI->lang->load($langfile, $lang);
- }
- }
-
- /**
- * Loads language files for scaffolding
- *
- * @access public
- * @param string
- * @return arra
- */
- function scaffold_language($file = '', $lang = '', $return = FALSE)
- {
- $CI =& get_instance();
- return $CI->lang->load($file, $lang, $return);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Loads a config file
- *
- * @access public
- * @param string
- * @return void
- */
- function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
- {
- $CI =& get_instance();
- $CI->config->load($file, $use_sections, $fail_gracefully);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Scaffolding Loader
- *
- * This initializing function works a bit different than the
- * others. It doesn't load the class. Instead, it simply
- * sets a flag indicating that scaffolding is allowed to be
- * used. The actual scaffolding function below is
- * called by the front controller based on whether the
- * second segment of the URL matches the "secret" scaffolding
- * word stored in the application/config/routes.php
- *
- * @access public
- * @param string
- * @return void
- */
- function scaffolding($table = '')
- {
- if ($table === FALSE)
- {
- show_error('You must include the name of the table you would like to access when you initialize scaffolding');
- }
-
- $CI =& get_instance();
- $CI->_ci_scaffolding = TRUE;
- $CI->_ci_scaff_table = $table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Loader
- *
- * This function is used to load views and files.
- * Variables are prefixed with _ci_ to avoid symbol collision with
- * variables made available to view files
- *
- * @access private
- * @param array
- * @return void
- */
- function _ci_load($_ci_data)
- {
- // Set the default data variables
- foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)
- {
- $$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
- }
-
- // Set the path to the requested file
- if ($_ci_path == '')
- {
- $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
- $_ci_file = ($_ci_ext == '') ? $_ci_view.EXT : $_ci_view;
- $_ci_path = $this->_ci_view_path.$_ci_file;
- }
- else
- {
- $_ci_x = explode('/', $_ci_path);
- $_ci_file = end($_ci_x);
- }
-
- if ( ! file_exists($_ci_path))
- {
- show_error('Unable to load the requested file: '.$_ci_file);
- }
-
- // This allows anything loaded using $this->load (views, files, etc.)
- // to become accessible from within the Controller and Model functions.
- // Only needed when running PHP 5
-
- if ($this->_ci_is_instance())
- {
- $_ci_CI =& get_instance();
- foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
- {
- if ( ! isset($this->$_ci_key))
- {
- $this->$_ci_key =& $_ci_CI->$_ci_key;
- }
- }
- }
-
- /*
- * Extract and cache variables
- *
- * You can either set variables using the dedicated $this->load_vars()
- * function or via the second parameter of this function. We'll merge
- * the two types and cache them so that views that are embedded within
- * other views can have access to these variables.
- */
- if (is_array($_ci_vars))
- {
- $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
- }
- extract($this->_ci_cached_vars);
-
- /*
- * Buffer the output
- *
- * We buffer the output for two reasons:
- * 1. Speed. You get a significant speed boost.
- * 2. So that the final rendered template can be
- * post-processed by the output class. Why do we
- * need post processing? For one thing, in order to
- * show the elapsed page load time. Unless we
- * can intercept the content right before it's sent to
- * the browser and then stop the timer it won't be accurate.
- */
- ob_start();
-
- // If the PHP installation does not support short tags we'll
- // do a little string replacement, changing the short tags
- // to standard PHP echo statements.
-
- if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE)
- {
- echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
- }
- else
- {
- include($_ci_path); // include() vs include_once() allows for multiple views with the same name
- }
-
- log_message('debug', 'File loaded: '.$_ci_path);
-
- // Return the file data if requested
- if ($_ci_return === TRUE)
- {
- $buffer = ob_get_contents();
- @ob_end_clean();
- return $buffer;
- }
-
- /*
- * Flush the buffer... or buff the flusher?
- *
- * In order to permit views to be nested within
- * other views, we need to flush the content back out whenever
- * we are beyond the first level of output buffering so that
- * it can be seen and included properly by the first included
- * template and any subsequent ones. Oy!
- *
- */
- if (ob_get_level() > $this->_ci_ob_level + 1)
- {
- ob_end_flush();
- }
- else
- {
- // PHP 4 requires that we use a global
- global $OUT;
- $OUT->append_output(ob_get_contents());
- @ob_end_clean();
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Load class
- *
- * This function loads the requested class.
- *
- * @access private
- * @param string the item that is being loaded
- * @param mixed any additional parameters
- * @param string an optional object name
- * @return void
- */
- function _ci_load_class($class, $params = NULL, $object_name = NULL)
- {
- // Get the class name, and while we're at it trim any slashes.
- // The directory path can be included as part of the class name,
- // but we don't want a leading slash
- $class = str_replace(EXT, '', trim($class, '/'));
-
- // Was the path included with the class name?
- // We look for a slash to determine this
- $subdir = '';
- if (strpos($class, '/') !== FALSE)
- {
- // explode the path so we can separate the filename from the path
- $x = explode('/', $class);
-
- // Reset the $class variable now that we know the actual filename
- $class = end($x);
-
- // Kill the filename from the array
- unset($x[count($x)-1]);
-
- // Glue the path back together, sans filename
- $subdir = implode($x, '/').'/';
- }
-
- // We'll test for both lowercase and capitalized versions of the file name
- foreach (array(ucfirst($class), strtolower($class)) as $class)
- {
- $subclass = APPPATH.'libraries/'.$subdir.config_item('subclass_prefix').$class.EXT;
-
- // Is this a class extension request?
- if (file_exists($subclass))
- {
- $baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT;
-
- if ( ! file_exists($baseclass))
- {
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the requested class: ".$class);
- }
-
- // Safety: Was the class already loaded by a previous call?
- if (in_array($subclass, $this->_ci_loaded_files))
- {
- // Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
- // return a new instance of the object
- if ( ! is_null($object_name))
- {
- $CI =& get_instance();
- if ( ! isset($CI->$object_name))
- {
- return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);
- }
- }
-
- $is_duplicate = TRUE;
- log_message('debug', $class." class already loaded. Second attempt ignored.");
- return;
- }
-
- include_once($baseclass);
- include_once($subclass);
- $this->_ci_loaded_files[] = $subclass;
-
- return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);
- }
-
- // Lets search for the requested library file and load it.
- $is_duplicate = FALSE;
- for ($i = 1; $i < 3; $i++)
- {
- $path = ($i % 2) ? APPPATH : BASEPATH;
- $filepath = $path.'libraries/'.$subdir.$class.EXT;
-
- // Does the file exist? No? Bummer...
- if ( ! file_exists($filepath))
- {
- continue;
- }
-
- // Safety: Was the class already loaded by a previous call?
- if (in_array($filepath, $this->_ci_loaded_files))
- {
- // Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
- // return a new instance of the object
- if ( ! is_null($object_name))
- {
- $CI =& get_instance();
- if ( ! isset($CI->$object_name))
- {
- return $this->_ci_init_class($class, '', $params, $object_name);
- }
- }
-
- $is_duplicate = TRUE;
- log_message('debug', $class." class already loaded. Second attempt ignored.");
- return;
- }
-
- include_once($filepath);
- $this->_ci_loaded_files[] = $filepath;
- return $this->_ci_init_class($class, '', $params, $object_name);
- }
- } // END FOREACH
-
- // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
- if ($subdir == '')
- {
- $path = strtolower($class).'/'.$class;
- return $this->_ci_load_class($path, $params);
- }
-
- // If we got this far we were unable to find the requested class.
- // We do not issue errors if the load call failed due to a duplicate request
- if ($is_duplicate == FALSE)
- {
- log_message('error', "Unable to load the requested class: ".$class);
- show_error("Unable to load the requested class: ".$class);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Instantiates a class
- *
- * @access private
- * @param string
- * @param string
- * @param string an optional object name
- * @return null
- */
- function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
- {
- // Is there an associated config file for this class?
- if ($config === NULL)
- {
- // We test for both uppercase and lowercase, for servers that
- // are case-sensitive with regard to file names
- if (file_exists(APPPATH.'config/'.strtolower($class).EXT))
- {
- include_once(APPPATH.'config/'.strtolower($class).EXT);
- }
- elseif (file_exists(APPPATH.'config/'.ucfirst(strtolower($class)).EXT))
- {
- include_once(APPPATH.'config/'.ucfirst(strtolower($class)).EXT);
- }
- }
-
- if ($prefix == '')
- {
- if (class_exists('CI_'.$class))
- {
- $name = 'CI_'.$class;
- }
- elseif (class_exists(config_item('subclass_prefix').$class))
- {
- $name = config_item('subclass_prefix').$class;
- }
- else
- {
- $name = $class;
- }
- }
- else
- {
- $name = $prefix.$class;
- }
-
- // Is the class name valid?
- if ( ! class_exists($name))
- {
- log_message('error', "Non-existent class: ".$name);
- show_error("Non-existent class: ".$class);
- }
-
- // Set the variable name we will assign the class to
- // Was a custom class name supplied? If so we'll use it
- $class = strtolower($class);
-
- if (is_null($object_name))
- {
- $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
- }
- else
- {
- $classvar = $object_name;
- }
-
- // Save the class name and object name
- $this->_ci_classes[$class] = $classvar;
-
- // Instantiate the class
- $CI =& get_instance();
- if ($config !== NULL)
- {
- $CI->$classvar = new $name($config);
- }
- else
- {
- $CI->$classvar = new $name;
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Autoloader
- *
- * The config/autoload.php file contains an array that permits sub-systems,
- * libraries, plugins, and helpers to be loaded automatically.
- *
- * @access private
- * @param array
- * @return void
- */
- function _ci_autoloader()
- {
- include_once(APPPATH.'config/autoload'.EXT);
-
- if ( ! isset($autoload))
- {
- return FALSE;
- }
-
- // Load any custom config file
- if (count($autoload['config']) > 0)
- {
- $CI =& get_instance();
- foreach ($autoload['config'] as $key => $val)
- {
- $CI->config->load($val);
- }
- }
-
- // Autoload plugins, helpers and languages
- foreach (array('helper', 'plugin', 'language') as $type)
- {
- if (isset($autoload[$type]) AND count($autoload[$type]) > 0)
- {
- $this->$type($autoload[$type]);
- }
- }
-
- // A little tweak to remain backward compatible
- // The $autoload['core'] item was deprecated
- if ( ! isset($autoload['libraries']))
- {
- $autoload['libraries'] = $autoload['core'];
- }
-
- // Load libraries
- if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0)
- {
- // Load the database driver.
- if (in_array('database', $autoload['libraries']))
- {
- $this->database();
- $autoload['libraries'] = array_diff($autoload['libraries'], array('database'));
- }
-
- // Load scaffolding
- if (in_array('scaffolding', $autoload['libraries']))
- {
- $this->scaffolding();
- $autoload['libraries'] = array_diff($autoload['libraries'], array('scaffolding'));
- }
-
- // Load all other libraries
- foreach ($autoload['libraries'] as $item)
- {
- $this->library($item);
- }
- }
-
- // Autoload models
- if (isset($autoload['model']))
- {
- $this->model($autoload['model']);
- }
-
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Assign to Models
- *
- * Makes sure that anything loaded by the loader class (libraries, plugins, etc.)
- * will be available to models, if any exist.
- *
- * @access private
- * @param object
- * @return array
- */
- function _ci_assign_to_models()
- {
- if (count($this->_ci_models) == 0)
- {
- return;
- }
-
- if ($this->_ci_is_instance())
- {
- $CI =& get_instance();
- foreach ($this->_ci_models as $model)
- {
- $CI->$model->_assign_libraries();
- }
- }
- else
- {
- foreach ($this->_ci_models as $model)
- {
- $this->$model->_assign_libraries();
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Object to Array
- *
- * Takes an object as input and converts the class variables to array key/vals
- *
- * @access private
- * @param object
- * @return array
- */
- function _ci_object_to_array($object)
- {
- return (is_object($object)) ? get_object_vars($object) : $object;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Determines whether we should use the CI instance or $this
- *
- * @access private
- * @return bool
- */
- function _ci_is_instance()
- {
- if ($this->_ci_is_php5 == TRUE)
- {
- return TRUE;
- }
-
- global $CI;
- return (is_object($CI)) ? TRUE : FALSE;
- }
-
-}
-
-/* End of file Loader.php */
-/* Location: ./system/libraries/Loader.php */ \ No newline at end of file
diff --git a/system/libraries/Model.php b/system/libraries/Model.php
deleted file mode 100644
index e9c2d24d1..000000000
--- a/system/libraries/Model.php
+++ /dev/null
@@ -1,83 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter Model Class
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Libraries
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/config.html
- */
-class Model {
-
- var $_parent_name = '';
-
- /**
- * Constructor
- *
- * @access public
- */
- function Model()
- {
- // If the magic __get() or __set() methods are used in a Model references can't be used.
- $this->_assign_libraries( (method_exists($this, '__get') OR method_exists($this, '__set')) ? FALSE : TRUE );
-
- // We don't want to assign the model object to itself when using the
- // assign_libraries function below so we'll grab the name of the model parent
- $this->_parent_name = ucfirst(get_class($this));
-
- log_message('debug', "Model Class Initialized");
- }
-
- /**
- * Assign Libraries
- *
- * Creates local references to all currently instantiated objects
- * so that any syntax that can be legally used in a controller
- * can be used within models.
- *
- * @access private
- */
- function _assign_libraries($use_reference = TRUE)
- {
- $CI =& get_instance();
- foreach (array_keys(get_object_vars($CI)) as $key)
- {
- if ( ! isset($this->$key) AND $key != $this->_parent_name)
- {
- // In some cases using references can cause
- // problems so we'll conditionally use them
- if ($use_reference == TRUE)
- {
- $this->$key = NULL; // Needed to prevent reference errors with some configurations
- $this->$key =& $CI->$key;
- }
- else
- {
- $this->$key = $CI->$key;
- }
- }
- }
- }
-
-}
-// END Model Class
-
-/* End of file Model.php */
-/* Location: ./system/libraries/Model.php */ \ No newline at end of file
diff --git a/system/libraries/Output.php b/system/libraries/Output.php
deleted file mode 100644
index 6a9a11677..000000000
--- a/system/libraries/Output.php
+++ /dev/null
@@ -1,409 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Output Class
- *
- * Responsible for sending final output to browser
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category Output
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/output.html
- */
-class CI_Output {
-
- var $final_output;
- var $cache_expiration = 0;
- var $headers = array();
- var $enable_profiler = FALSE;
-
-
- function CI_Output()
- {
- log_message('debug', "Output Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get Output
- *
- * Returns the current output string
- *
- * @access public
- * @return string
- */
- function get_output()
- {
- return $this->final_output;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set Output
- *
- * Sets the output string
- *
- * @access public
- * @param string
- * @return void
- */
- function set_output($output)
- {
- $this->final_output = $output;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Append Output
- *
- * Appends data onto the output string
- *
- * @access public
- * @param string
- * @return void
- */
- function append_output($output)
- {
- if ($this->final_output == '')
- {
- $this->final_output = $output;
- }
- else
- {
- $this->final_output .= $output;
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set Header
- *
- * Lets you set a server header which will be outputted with the final display.
- *
- * Note: If a file is cached, headers will not be sent. We need to figure out
- * how to permit header data to be saved with the cache data...
- *
- * @access public
- * @param string
- * @return void
- */
- function set_header($header, $replace = TRUE)
- {
- $this->headers[] = array($header, $replace);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set HTTP Status Header
- * moved to Common procedural functions in 1.7.2
- *
- * @access public
- * @param int the status code
- * @param string
- * @return void
- */
- function set_status_header($code = '200', $text = '')
- {
- set_status_header($code, $text);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Enable/disable Profiler
- *
- * @access public
- * @param bool
- * @return void
- */
- function enable_profiler($val = TRUE)
- {
- $this->enable_profiler = (is_bool($val)) ? $val : TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set Cache
- *
- * @access public
- * @param integer
- * @return void
- */
- function cache($time)
- {
- $this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Display Output
- *
- * All "view" data is automatically put into this variable by the controller class:
- *
- * $this->final_output
- *
- * This function sends the finalized output data to the browser along
- * with any server headers and profile data. It also stops the
- * benchmark timer so the page rendering speed and memory usage can be shown.
- *
- * @access public
- * @return mixed
- */
- function _display($output = '')
- {
- // Note: We use globals because we can't use $CI =& get_instance()
- // since this function is sometimes called by the caching mechanism,
- // which happens before the CI super object is available.
- global $BM, $CFG;
-
- // --------------------------------------------------------------------
-
- // Set the output data
- if ($output == '')
- {
- $output =& $this->final_output;
- }
-
- // --------------------------------------------------------------------
-
- // Do we need to write a cache file?
- if ($this->cache_expiration > 0)
- {
- $this->_write_cache($output);
- }
-
- // --------------------------------------------------------------------
-
- // Parse out the elapsed time and memory usage,
- // then swap the pseudo-variables with the data
-
- $elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
- $output = str_replace('{elapsed_time}', $elapsed, $output);
-
- $memory = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
- $output = str_replace('{memory_usage}', $memory, $output);
-
- // --------------------------------------------------------------------
-
- // Is compression requested?
- if ($CFG->item('compress_output') === TRUE)
- {
- if (extension_loaded('zlib'))
- {
- if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
- {
- ob_start('ob_gzhandler');
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- // Are there any server headers to send?
- if (count($this->headers) > 0)
- {
- foreach ($this->headers as $header)
- {
- @header($header[0], $header[1]);
- }
- }
-
- // --------------------------------------------------------------------
-
- // Does the get_instance() function exist?
- // If not we know we are dealing with a cache file so we'll
- // simply echo out the data and exit.
- if ( ! function_exists('get_instance'))
- {
- echo $output;
- log_message('debug', "Final output sent to browser");
- log_message('debug', "Total execution time: ".$elapsed);
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- // Grab the super object. We'll need it in a moment...
- $CI =& get_instance();
-
- // Do we need to generate profile data?
- // If so, load the Profile class and run it.
- if ($this->enable_profiler == TRUE)
- {
- $CI->load->library('profiler');
-
- // If the output data contains closing </body> and </html> tags
- // we will remove them and add them back after we insert the profile data
- if (preg_match("|</body>.*?</html>|is", $output))
- {
- $output = preg_replace("|</body>.*?</html>|is", '', $output);
- $output .= $CI->profiler->run();
- $output .= '</body></html>';
- }
- else
- {
- $output .= $CI->profiler->run();
- }
- }
-
- // --------------------------------------------------------------------
-
- // Does the controller contain a function named _output()?
- // If so send the output there. Otherwise, echo it.
- if (method_exists($CI, '_output'))
- {
- $CI->_output($output);
- }
- else
- {
- echo $output; // Send it to the browser!
- }
-
- log_message('debug', "Final output sent to browser");
- log_message('debug', "Total execution time: ".$elapsed);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Write a Cache File
- *
- * @access public
- * @return void
- */
- function _write_cache($output)
- {
- $CI =& get_instance();
- $path = $CI->config->item('cache_path');
-
- $cache_path = ($path == '') ? BASEPATH.'cache/' : $path;
-
- if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
- {
- return;
- }
-
- $uri = $CI->config->item('base_url').
- $CI->config->item('index_page').
- $CI->uri->uri_string();
-
- $cache_path .= md5($uri);
-
- if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE))
- {
- log_message('error', "Unable to write cache file: ".$cache_path);
- return;
- }
-
- $expire = time() + ($this->cache_expiration * 60);
-
- if (flock($fp, LOCK_EX))
- {
- fwrite($fp, $expire.'TS--->'.$output);
- flock($fp, LOCK_UN);
- }
- else
- {
- log_message('error', "Unable to secure a file lock for file at: ".$cache_path);
- return;
- }
- fclose($fp);
- @chmod($cache_path, FILE_WRITE_MODE);
-
- log_message('debug', "Cache file written: ".$cache_path);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update/serve a cached file
- *
- * @access public
- * @return void
- */
- function _display_cache(&$CFG, &$URI)
- {
- $cache_path = ($CFG->item('cache_path') == '') ? BASEPATH.'cache/' : $CFG->item('cache_path');
-
- if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
- {
- return FALSE;
- }
-
- // Build the file path. The file name is an MD5 hash of the full URI
- $uri = $CFG->item('base_url').
- $CFG->item('index_page').
- $URI->uri_string;
-
- $filepath = $cache_path.md5($uri);
-
- if ( ! @file_exists($filepath))
- {
- return FALSE;
- }
-
- if ( ! $fp = @fopen($filepath, FOPEN_READ))
- {
- return FALSE;
- }
-
- flock($fp, LOCK_SH);
-
- $cache = '';
- if (filesize($filepath) > 0)
- {
- $cache = fread($fp, filesize($filepath));
- }
-
- flock($fp, LOCK_UN);
- fclose($fp);
-
- // Strip out the embedded timestamp
- if ( ! preg_match("/(\d+TS--->)/", $cache, $match))
- {
- return FALSE;
- }
-
- // Has the file expired? If so we'll delete it.
- if (time() >= trim(str_replace('TS--->', '', $match['1'])))
- {
- @unlink($filepath);
- log_message('debug', "Cache file has expired. File deleted");
- return FALSE;
- }
-
- // Display the cache
- $this->_display(str_replace($match['0'], '', $cache));
- log_message('debug', "Cache file is current. Sending it to browser.");
- return TRUE;
- }
-
-
-}
-// END Output Class
-
-/* End of file Output.php */
-/* Location: ./system/libraries/Output.php */ \ No newline at end of file
diff --git a/system/libraries/Router.php b/system/libraries/Router.php
deleted file mode 100644
index 20e69721d..000000000
--- a/system/libraries/Router.php
+++ /dev/null
@@ -1,389 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Router Class
- *
- * Parses URIs and determines routing
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @author ExpressionEngine Dev Team
- * @category Libraries
- * @link http://codeigniter.com/user_guide/general/routing.html
- */
-class CI_Router {
-
- var $config;
- var $routes = array();
- var $error_routes = array();
- var $class = '';
- var $method = 'index';
- var $directory = '';
- var $uri_protocol = 'auto';
- var $default_controller;
- var $scaffolding_request = FALSE; // Must be set to FALSE
-
- /**
- * Constructor
- *
- * Runs the route mapping function.
- */
- function CI_Router()
- {
- $this->config =& load_class('Config');
- $this->uri =& load_class('URI');
- $this->_set_routing();
- log_message('debug', "Router Class Initialized");
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the route mapping
- *
- * This function determines what should be served based on the URI request,
- * as well as any "routes" that have been set in the routing config file.
- *
- * @access private
- * @return void
- */
- function _set_routing()
- {
- // Are query strings enabled in the config file?
- // If so, we're done since segment based URIs are not used with query strings.
- if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')]))
- {
- $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')])));
-
- if (isset($_GET[$this->config->item('function_trigger')]))
- {
- $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')])));
- }
-
- return;
- }
-
- // Load the routes.php file.
- @include(APPPATH.'config/routes'.EXT);
- $this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
- unset($route);
-
- // Set the default controller so we can display it in the event
- // the URI doesn't correlated to a valid controller.
- $this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']);
-
- // Fetch the complete URI string
- $this->uri->_fetch_uri_string();
-
- // Is there a URI string? If not, the default controller specified in the "routes" file will be shown.
- if ($this->uri->uri_string == '')
- {
- if ($this->default_controller === FALSE)
- {
- show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file.");
- }
-
- if (strpos($this->default_controller, '/') !== FALSE)
- {
- $x = explode('/', $this->default_controller);
-
- $this->set_class(end($x));
- $this->set_method('index');
- $this->_set_request($x);
- }
- else
- {
- $this->set_class($this->default_controller);
- $this->set_method('index');
- $this->_set_request(array($this->default_controller, 'index'));
- }
-
- // re-index the routed segments array so it starts with 1 rather than 0
- $this->uri->_reindex_segments();
-
- log_message('debug', "No URI present. Default controller set.");
- return;
- }
- unset($this->routes['default_controller']);
-
- // Do we need to remove the URL suffix?
- $this->uri->_remove_url_suffix();
-
- // Compile the segments into an array
- $this->uri->_explode_segments();
-
- // Parse any custom routing that may exist
- $this->_parse_routes();
-
- // Re-index the segment array so that it starts with 1 rather than 0
- $this->uri->_reindex_segments();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the Route
- *
- * This function takes an array of URI segments as
- * input, and sets the current class/method
- *
- * @access private
- * @param array
- * @param bool
- * @return void
- */
- function _set_request($segments = array())
- {
- $segments = $this->_validate_request($segments);
-
- if (count($segments) == 0)
- {
- return;
- }
-
- $this->set_class($segments[0]);
-
- if (isset($segments[1]))
- {
- // A scaffolding request. No funny business with the URL
- if ($this->routes['scaffolding_trigger'] == $segments[1] AND $segments[1] != '_ci_scaffolding')
- {
- $this->scaffolding_request = TRUE;
- unset($this->routes['scaffolding_trigger']);
- }
- else
- {
- // A standard method request
- $this->set_method($segments[1]);
- }
- }
- else
- {
- // This lets the "routed" segment array identify that the default
- // index method is being used.
- $segments[1] = 'index';
- }
-
- // Update our "routed" segment array to contain the segments.
- // Note: If there is no custom routing, this array will be
- // identical to $this->uri->segments
- $this->uri->rsegments = $segments;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Validates the supplied segments. Attempts to determine the path to
- * the controller.
- *
- * @access private
- * @param array
- * @return array
- */
- function _validate_request($segments)
- {
- // Does the requested controller exist in the root folder?
- if (file_exists(APPPATH.'controllers/'.$segments[0].EXT))
- {
- return $segments;
- }
-
- // Is the controller in a sub-folder?
- if (is_dir(APPPATH.'controllers/'.$segments[0]))
- {
- // Set the directory and remove it from the segment array
- $this->set_directory($segments[0]);
- $segments = array_slice($segments, 1);
-
- if (count($segments) > 0)
- {
- // Does the requested controller exist in the sub-folder?
- if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].EXT))
- {
- show_404($this->fetch_directory().$segments[0]);
- }
- }
- else
- {
- $this->set_class($this->default_controller);
- $this->set_method('index');
-
- // Does the default controller exist in the sub-folder?
- if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.EXT))
- {
- $this->directory = '';
- return array();
- }
-
- }
-
- return $segments;
- }
-
- // Can't find the requested controller...
- show_404($segments[0]);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Parse Routes
- *
- * This function matches any routes that may exist in
- * the config/routes.php file against the URI to
- * determine if the class/method need to be remapped.
- *
- * @access private
- * @return void
- */
- function _parse_routes()
- {
- // Do we even have any custom routing to deal with?
- // There is a default scaffolding trigger, so we'll look just for 1
- if (count($this->routes) == 1)
- {
- $this->_set_request($this->uri->segments);
- return;
- }
-
- // Turn the segment array into a URI string
- $uri = implode('/', $this->uri->segments);
-
- // Is there a literal match? If so we're done
- if (isset($this->routes[$uri]))
- {
- $this->_set_request(explode('/', $this->routes[$uri]));
- return;
- }
-
- // Loop through the route array looking for wild-cards
- foreach ($this->routes as $key => $val)
- {
- // Convert wild-cards to RegEx
- $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key));
-
- // Does the RegEx match?
- if (preg_match('#^'.$key.'$#', $uri))
- {
- // Do we have a back-reference?
- if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE)
- {
- $val = preg_replace('#^'.$key.'$#', $val, $uri);
- }
-
- $this->_set_request(explode('/', $val));
- return;
- }
- }
-
- // If we got this far it means we didn't encounter a
- // matching route so we'll set the site default route
- $this->_set_request($this->uri->segments);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the class name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_class($class)
- {
- $this->class = $class;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the current class
- *
- * @access public
- * @return string
- */
- function fetch_class()
- {
- return $this->class;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the method name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_method($method)
- {
- $this->method = $method;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the current method
- *
- * @access public
- * @return string
- */
- function fetch_method()
- {
- if ($this->method == $this->fetch_class())
- {
- return 'index';
- }
-
- return $this->method;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set the directory name
- *
- * @access public
- * @param string
- * @return void
- */
- function set_directory($dir)
- {
- $this->directory = $dir.'/';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the sub-directory (if any) that contains the requested controller class
- *
- * @access public
- * @return string
- */
- function fetch_directory()
- {
- return $this->directory;
- }
-
-}
-// END Router Class
-
-/* End of file Router.php */
-/* Location: ./system/libraries/Router.php */ \ No newline at end of file
diff --git a/system/libraries/URI.php b/system/libraries/URI.php
deleted file mode 100644
index 23efb38c1..000000000
--- a/system/libraries/URI.php
+++ /dev/null
@@ -1,586 +0,0 @@
-<?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 - 2010, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * URI Class
- *
- * Parses URIs and determines routing
- *
- * @package CodeIgniter
- * @subpackage Libraries
- * @category URI
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/uri.html
- */
-class CI_URI {
-
- var $keyval = array();
- var $uri_string;
- var $segments = array();
- var $rsegments = array();
-
- /**
- * Constructor
- *
- * Simply globalizes the $RTR object. The front
- * loads the Router class early on so it's not available
- * normally as other classes are.
- *
- * @access public
- */
- function CI_URI()
- {
- $this->config =& load_class('Config');
- log_message('debug', "URI Class Initialized");
- }
-
-
- // --------------------------------------------------------------------
-
- /**
- * Get the URI String
- *
- * @access private
- * @return string
- */
- function _fetch_uri_string()
- {
- if (strtoupper($this->config->item('uri_protocol')) == 'AUTO')
- {
- // If the URL has a question mark then it's simplest to just
- // build the URI string from the zero index of the $_GET array.
- // This avoids having to deal with $_SERVER variables, which
- // can be unreliable in some environments
- if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '')
- {
- $this->uri_string = key($_GET);
- return;
- }
-
- // Is there a PATH_INFO variable?
- // Note: some servers seem to have trouble with getenv() so we'll test it two ways
- $path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO');
- if (trim($path, '/') != '' && $path != "/".SELF)
- {
- $this->uri_string = $path;
- return;
- }
-
- // No PATH_INFO?... What about QUERY_STRING?
- $path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
- if (trim($path, '/') != '')
- {
- $this->uri_string = $path;
- return;
- }
-
- // No QUERY_STRING?... Maybe the ORIG_PATH_INFO variable exists?
- $path = str_replace($_SERVER['SCRIPT_NAME'], '', (isset($_SERVER['ORIG_PATH_INFO'])) ? $_SERVER['ORIG_PATH_INFO'] : @getenv('ORIG_PATH_INFO'));
- if (trim($path, '/') != '' && $path != "/".SELF)
- {
- // remove path and script information so we have good URI data
- $this->uri_string = $path;
- return;
- }
-
- // We've exhausted all our options...
- $this->uri_string = '';
- }
- else
- {
- $uri = strtoupper($this->config->item('uri_protocol'));
-
- if ($uri == 'REQUEST_URI')
- {
- $this->uri_string = $this->_parse_request_uri();
- return;
- }
-
- $this->uri_string = (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri);
- }
-
- // If the URI contains only a slash we'll kill it
- if ($this->uri_string == '/')
- {
- $this->uri_string = '';
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Parse the REQUEST_URI
- *
- * Due to the way REQUEST_URI works it usually contains path info
- * that makes it unusable as URI data. We'll trim off the unnecessary
- * data, hopefully arriving at a valid URI that we can use.
- *
- * @access private
- * @return string
- */
- function _parse_request_uri()
- {
- if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
- {
- return '';
- }
-
- $request_uri = preg_replace("|/(.*)|", "\\1", str_replace("\\", "/", $_SERVER['REQUEST_URI']));
-
- if ($request_uri == '' OR $request_uri == SELF)
- {
- return '';
- }
-
- $fc_path = FCPATH.SELF;
- if (strpos($request_uri, '?') !== FALSE)
- {
- $fc_path .= '?';
- }
-
- $parsed_uri = explode("/", $request_uri);
-
- $i = 0;
- foreach(explode("/", $fc_path) as $segment)
- {
- if (isset($parsed_uri[$i]) && $segment == $parsed_uri[$i])
- {
- $i++;
- }
- }
-
- $parsed_uri = implode("/", array_slice($parsed_uri, $i));
-
- if ($parsed_uri != '')
- {
- $parsed_uri = '/'.$parsed_uri;
- }
-
- return $parsed_uri;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Filter segments for malicious characters
- *
- * @access private
- * @param string
- * @return string
- */
- function _filter_uri($str)
- {
- if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE)
- {
- // preg_quote() in PHP 5.3 escapes -, so the str_replace() and addition of - to preg_quote() is to maintain backwards
- // compatibility as many are unaware of how characters in the permitted_uri_chars will be parsed as a regex pattern
- if ( ! preg_match("|^[".str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-'))."]+$|i", $str))
- {
- show_error('The URI you submitted has disallowed characters.', 400);
- }
- }
-
- // Convert programatic characters to entities
- $bad = array('$', '(', ')', '%28', '%29');
- $good = array('&#36;', '&#40;', '&#41;', '&#40;', '&#41;');
-
- return str_replace($bad, $good, $str);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Remove the suffix from the URL if needed
- *
- * @access private
- * @return void
- */
- function _remove_url_suffix()
- {
- if ($this->config->item('url_suffix') != "")
- {
- $this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string);
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Explode the URI Segments. The individual segments will
- * be stored in the $this->segments array.
- *
- * @access private
- * @return void
- */
- function _explode_segments()
- {
- foreach(explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val)
- {
- // Filter segments for security
- $val = trim($this->_filter_uri($val));
-
- if ($val != '')
- {
- $this->segments[] = $val;
- }
- }
- }
-
- // --------------------------------------------------------------------
- /**
- * Re-index Segments
- *
- * This function re-indexes the $this->segment array so that it
- * starts at 1 rather than 0. Doing so makes it simpler to
- * use functions like $this->uri->segment(n) since there is
- * a 1:1 relationship between the segment array and the actual segments.
- *
- * @access private
- * @return void
- */
- function _reindex_segments()
- {
- array_unshift($this->segments, NULL);
- array_unshift($this->rsegments, NULL);
- unset($this->segments[0]);
- unset($this->rsegments[0]);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a URI Segment
- *
- * This function returns the URI segment based on the number provided.
- *
- * @access public
- * @param integer
- * @param bool
- * @return string
- */
- function segment($n, $no_result = FALSE)
- {
- return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a URI "routed" Segment
- *
- * This function returns the re-routed URI segment (assuming routing rules are used)
- * based on the number provided. If there is no routing this function returns the
- * same result as $this->segment()
- *
- * @access public
- * @param integer
- * @param bool
- * @return string
- */
- function rsegment($n, $no_result = FALSE)
- {
- return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Generate a key value pair from the URI string
- *
- * This function generates and associative array of URI data starting
- * at the supplied segment. For example, if this is your URI:
- *
- * example.com/user/search/name/joe/location/UK/gender/male
- *
- * You can use this function to generate an array with this prototype:
- *
- * array (
- * name => joe
- * location => UK
- * gender => male
- * )
- *
- * @access public
- * @param integer the starting segment number
- * @param array an array of default values
- * @return array
- */
- function uri_to_assoc($n = 3, $default = array())
- {
- return $this->_uri_to_assoc($n, $default, 'segment');
- }
- /**
- * Identical to above only it uses the re-routed segment array
- *
- */
- function ruri_to_assoc($n = 3, $default = array())
- {
- return $this->_uri_to_assoc($n, $default, 'rsegment');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Generate a key value pair from the URI string or Re-routed URI string
- *
- * @access private
- * @param integer the starting segment number
- * @param array an array of default values
- * @param string which array we should use
- * @return array
- */
- function _uri_to_assoc($n = 3, $default = array(), $which = 'segment')
- {
- if ($which == 'segment')
- {
- $total_segments = 'total_segments';
- $segment_array = 'segment_array';
- }
- else
- {
- $total_segments = 'total_rsegments';
- $segment_array = 'rsegment_array';
- }
-
- if ( ! is_numeric($n))
- {
- return $default;
- }
-
- if (isset($this->keyval[$n]))
- {
- return $this->keyval[$n];
- }
-
- if ($this->$total_segments() < $n)
- {
- if (count($default) == 0)
- {
- return array();
- }
-
- $retval = array();
- foreach ($default as $val)
- {
- $retval[$val] = FALSE;
- }
- return $retval;
- }
-
- $segments = array_slice($this->$segment_array(), ($n - 1));
-
- $i = 0;
- $lastval = '';
- $retval = array();
- foreach ($segments as $seg)
- {
- if ($i % 2)
- {
- $retval[$lastval] = $seg;
- }
- else
- {
- $retval[$seg] = FALSE;
- $lastval = $seg;
- }
-
- $i++;
- }
-
- if (count($default) > 0)
- {
- foreach ($default as $val)
- {
- if ( ! array_key_exists($val, $retval))
- {
- $retval[$val] = FALSE;
- }
- }
- }
-
- // Cache the array for reuse
- $this->keyval[$n] = $retval;
- return $retval;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Generate a URI string from an associative array
- *
- *
- * @access public
- * @param array an associative array of key/values
- * @return array
- */
- function assoc_to_uri($array)
- {
- $temp = array();
- foreach ((array)$array as $key => $val)
- {
- $temp[] = $key;
- $temp[] = $val;
- }
-
- return implode('/', $temp);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a URI Segment and add a trailing slash
- *
- * @access public
- * @param integer
- * @param string
- * @return string
- */
- function slash_segment($n, $where = 'trailing')
- {
- return $this->_slash_segment($n, $where, 'segment');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a URI Segment and add a trailing slash
- *
- * @access public
- * @param integer
- * @param string
- * @return string
- */
- function slash_rsegment($n, $where = 'trailing')
- {
- return $this->_slash_segment($n, $where, 'rsegment');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch a URI Segment and add a trailing slash - helper function
- *
- * @access private
- * @param integer
- * @param string
- * @param string
- * @return string
- */
- function _slash_segment($n, $where = 'trailing', $which = 'segment')
- {
- if ($where == 'trailing')
- {
- $trailing = '/';
- $leading = '';
- }
- elseif ($where == 'leading')
- {
- $leading = '/';
- $trailing = '';
- }
- else
- {
- $leading = '/';
- $trailing = '/';
- }
- return $leading.$this->$which($n).$trailing;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Segment Array
- *
- * @access public
- * @return array
- */
- function segment_array()
- {
- return $this->segments;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Routed Segment Array
- *
- * @access public
- * @return array
- */
- function rsegment_array()
- {
- return $this->rsegments;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Total number of segments
- *
- * @access public
- * @return integer
- */
- function total_segments()
- {
- return count($this->segments);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Total number of routed segments
- *
- * @access public
- * @return integer
- */
- function total_rsegments()
- {
- return count($this->rsegments);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the entire URI string
- *
- * @access public
- * @return string
- */
- function uri_string()
- {
- return $this->uri_string;
- }
-
-
- // --------------------------------------------------------------------
-
- /**
- * Fetch the entire Re-routed URI string
- *
- * @access public
- * @return string
- */
- function ruri_string()
- {
- return '/'.implode('/', $this->rsegment_array()).'/';
- }
-
-}
-// END URI Class
-
-/* End of file URI.php */
-/* Location: ./system/libraries/URI.php */ \ No newline at end of file