diff options
Diffstat (limited to 'system/libraries')
| -rw-r--r-- | system/libraries/Benchmark.php | 113 | ||||
| -rw-r--r-- | system/libraries/Config.php | 244 | ||||
| -rw-r--r-- | system/libraries/Controller.php | 127 | ||||
| -rw-r--r-- | system/libraries/Exceptions.php | 174 | ||||
| -rw-r--r-- | system/libraries/Hooks.php | 226 | ||||
| -rw-r--r-- | system/libraries/Input.php | 1067 | ||||
| -rw-r--r-- | system/libraries/Language.php | 123 | ||||
| -rw-r--r-- | system/libraries/Loader.php | 1085 | ||||
| -rw-r--r-- | system/libraries/Model.php | 83 | ||||
| -rw-r--r-- | system/libraries/Output.php | 409 | ||||
| -rw-r--r-- | system/libraries/Router.php | 389 | ||||
| -rw-r--r-- | system/libraries/URI.php | 586 |
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]', - '<!--' => '<!--', - '-->' => '-->', - '<![CDATA[' => '<![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', "<?\\1", $str); - } - else - { - $str = str_replace(array('<?', '?'.'>'), array('<?', '?>'), $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: <blink> - * - */ - $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('some code') - * - */ - $str = preg_replace('#(alert|cmd|passthru|eval|exec|expression|system|fopen|fsockopen|file|file_get_contents|readfile|unlink)(\s*)\((.*?)\)#si', "\\1\\2(\\3)", $str); - - /* - * Final clean up - * - * This adds a bit of extra precaution in case - * something got through the above filters - * - */ - foreach ($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 - $str = '<'.$matches[1].$matches[2].$matches[3]; - - // encode captured opening or closing brace to prevent recursive vectors - $str .= str_replace(array('>', '<'), array('>', '<'), $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('>', '<', '\\\\'), $match[0]); - } - - // -------------------------------------------------------------------- - - /** - * HTML Entity Decode Callback - * - * Used as a callback for XSS Clean - * - * @access public - * @param array - * @return string - */ - function _html_entity_decode_callback($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'); - $good = array('$', '(', ')', '(', ')'); - - 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 |