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Vincent TEISSIER
2024-05-28 16:10:53 +02:00
commit eb32dbd5b2
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* 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 EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/benchmark.html
*/
class CI_Benchmark {
/**
* List of all benchmark markers
*
* @var array
*/
public $marker = array();
/**
* Set a benchmark marker
*
* Multiple calls to this function can be made so that several
* execution points can be timed.
*
* @param string $name Marker name
* @return void
*/
public function mark($name)
{
$this->marker[$name] = microtime(TRUE);
}
// --------------------------------------------------------------------
/**
* Elapsed time
*
* 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.
*
* @param string $point1 A particular marked point
* @param string $point2 A particular marked point
* @param int $decimals Number of decimal places
*
* @return string Calculated elapsed time on success,
* an '{elapsed_string}' if $point1 is empty
* or an empty string if $point1 is not found.
*/
public function elapsed_time($point1 = '', $point2 = '', $decimals = 4)
{
if ($point1 === '')
{
return '{elapsed_time}';
}
if ( ! isset($this->marker[$point1]))
{
return '';
}
if ( ! isset($this->marker[$point2]))
{
$this->marker[$point2] = microtime(TRUE);
}
return number_format($this->marker[$point2] - $this->marker[$point1], $decimals);
}
// --------------------------------------------------------------------
/**
* Memory Usage
*
* Simply returns the {memory_usage} marker.
*
* 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.
*
* @return string '{memory_usage}'
*/
public function memory_usage()
{
return '{memory_usage}';
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Config Class
*
* This class contains functions that enable config files to be managed
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/config.html
*/
class CI_Config {
/**
* List of all loaded config values
*
* @var array
*/
public $config = array();
/**
* List of all loaded config files
*
* @var array
*/
public $is_loaded = array();
/**
* List of paths to search when trying to load a config file.
*
* @used-by CI_Loader
* @var array
*/
public $_config_paths = array(APPPATH);
// --------------------------------------------------------------------
/**
* Class constructor
*
* Sets the $config data from the primary config.php file as a class variable.
*
* @return void
*/
public function __construct()
{
$this->config =& get_config();
// Set the base_url automatically if none was provided
if (empty($this->config['base_url']))
{
if (isset($_SERVER['SERVER_ADDR']))
{
if (strpos($_SERVER['SERVER_ADDR'], ':') !== FALSE)
{
$server_addr = '['.$_SERVER['SERVER_ADDR'].']';
}
else
{
$server_addr = $_SERVER['SERVER_ADDR'];
}
$base_url = (is_https() ? 'https' : 'http').'://'.$server_addr
.substr($_SERVER['SCRIPT_NAME'], 0, strpos($_SERVER['SCRIPT_NAME'], basename($_SERVER['SCRIPT_FILENAME'])));
}
else
{
$base_url = 'http://localhost/';
}
$this->set_item('base_url', $base_url);
}
log_message('info', 'Config Class Initialized');
}
// --------------------------------------------------------------------
/**
* Load Config File
*
* @param string $file Configuration file name
* @param bool $use_sections Whether configuration values should be loaded into their own section
* @param bool $fail_gracefully Whether to just return FALSE or display an error message
* @return bool TRUE if the file was loaded correctly or FALSE on failure
*/
public function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$file = ($file === '') ? 'config' : str_replace('.php', '', $file);
$loaded = FALSE;
foreach ($this->_config_paths as $path)
{
foreach (array($file, ENVIRONMENT.DIRECTORY_SEPARATOR.$file) as $location)
{
$file_path = $path.'config/'.$location.'.php';
if (in_array($file_path, $this->is_loaded, TRUE))
{
return TRUE;
}
if ( ! file_exists($file_path))
{
continue;
}
include($file_path);
if ( ! isset($config) OR ! is_array($config))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.');
}
if ($use_sections === TRUE)
{
$this->config[$file] = isset($this->config[$file])
? array_merge($this->config[$file], $config)
: $config;
}
else
{
$this->config = array_merge($this->config, $config);
}
$this->is_loaded[] = $file_path;
$config = NULL;
$loaded = TRUE;
log_message('debug', 'Config file loaded: '.$file_path);
}
}
if ($loaded === TRUE)
{
return TRUE;
}
elseif ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('The configuration file '.$file.'.php does not exist.');
}
// --------------------------------------------------------------------
/**
* Fetch a config file item
*
* @param string $item Config item name
* @param string $index Index name
* @return string|null The configuration item or NULL if the item doesn't exist
*/
public function item($item, $index = '')
{
if ($index == '')
{
return isset($this->config[$item]) ? $this->config[$item] : NULL;
}
return isset($this->config[$index], $this->config[$index][$item]) ? $this->config[$index][$item] : NULL;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item with slash appended (if not empty)
*
* @param string $item Config item name
* @return string|null The configuration item or NULL if the item doesn't exist
*/
public function slash_item($item)
{
if ( ! isset($this->config[$item]))
{
return NULL;
}
elseif (trim($this->config[$item]) === '')
{
return '';
}
return rtrim($this->config[$item], '/').'/';
}
// --------------------------------------------------------------------
/**
* Site URL
*
* Returns base_url . index_page [. uri_string]
*
* @uses CI_Config::_uri_string()
*
* @param string|string[] $uri URI string or an array of segments
* @param string $protocol
* @return string
*/
public function site_url($uri = '', $protocol = NULL)
{
$base_url = $this->slash_item('base_url');
if (isset($protocol))
{
// For protocol-relative links
if ($protocol === '')
{
$base_url = substr($base_url, strpos($base_url, '//'));
}
else
{
$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
}
}
if (empty($uri))
{
return $base_url.$this->item('index_page');
}
$uri = $this->_uri_string($uri);
if ($this->item('enable_query_strings') === FALSE)
{
$suffix = isset($this->config['url_suffix']) ? $this->config['url_suffix'] : '';
if ($suffix !== '')
{
if (($offset = strpos($uri, '?')) !== FALSE)
{
$uri = substr($uri, 0, $offset).$suffix.substr($uri, $offset);
}
else
{
$uri .= $suffix;
}
}
return $base_url.$this->slash_item('index_page').$uri;
}
elseif (strpos($uri, '?') === FALSE)
{
$uri = '?'.$uri;
}
return $base_url.$this->item('index_page').$uri;
}
// -------------------------------------------------------------
/**
* Base URL
*
* Returns base_url [. uri_string]
*
* @uses CI_Config::_uri_string()
*
* @param string|string[] $uri URI string or an array of segments
* @param string $protocol
* @return string
*/
public function base_url($uri = '', $protocol = NULL)
{
$base_url = $this->slash_item('base_url');
if (isset($protocol))
{
// For protocol-relative links
if ($protocol === '')
{
$base_url = substr($base_url, strpos($base_url, '//'));
}
else
{
$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
}
}
return $base_url.$this->_uri_string($uri);
}
// -------------------------------------------------------------
/**
* Build URI string
*
* @used-by CI_Config::site_url()
* @used-by CI_Config::base_url()
*
* @param string|string[] $uri URI string or an array of segments
* @return string
*/
protected function _uri_string($uri)
{
if ($this->item('enable_query_strings') === FALSE)
{
is_array($uri) && $uri = implode('/', $uri);
return ltrim($uri, '/');
}
elseif (is_array($uri))
{
return http_build_query($uri);
}
return $uri;
}
// --------------------------------------------------------------------
/**
* System URL
*
* @deprecated 3.0.0 Encourages insecure practices
* @return string
*/
public function system_url()
{
$x = explode('/', preg_replace('|/*(.+?)/*$|', '\\1', BASEPATH));
return $this->slash_item('base_url').end($x).'/';
}
// --------------------------------------------------------------------
/**
* Set a config file item
*
* @param string $item Config item key
* @param string $value Config item value
* @return void
*/
public function set_item($item, $value)
{
$this->config[$item] = $value;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* 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 EllisLab Dev Team
* @link https://codeigniter.com/userguide3/general/controllers.html
*/
class CI_Controller {
/**
* Reference to the CI singleton
*
* @var object
*/
private static $instance;
/**
* CI_Loader
*
* @var CI_Loader
*/
public $load;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
self::$instance =& $this;
// Assign all the class objects that were instantiated by the
// bootstrap file (CodeIgniter.php) to local class variables
// so that CI can run as one big super object.
foreach (is_loaded() as $var => $class)
{
$this->$var =& load_class($class);
}
$this->load =& load_class('Loader', 'core');
$this->load->initialize();
log_message('info', 'Controller Class Initialized');
}
// --------------------------------------------------------------------
/**
* Get the CI singleton
*
* @static
* @return object
*/
public static function &get_instance()
{
return self::$instance;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Exceptions Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Exceptions
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/exceptions.html
*/
class CI_Exceptions {
/**
* Nesting level of the output buffering mechanism
*
* @var int
*/
public $ob_level;
/**
* List of available error levels
*
* @var array
*/
public $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'
);
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$this->ob_level = ob_get_level();
// Note: Do not log messages from this constructor.
}
// --------------------------------------------------------------------
/**
* Exception Logger
*
* Logs PHP generated error messages
*
* @param int $severity Log level
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
* @return void
*/
public function log_exception($severity, $message, $filepath, $line)
{
$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
log_message('error', 'Severity: '.$severity.' --> '.$message.' '.$filepath.' '.$line);
}
// --------------------------------------------------------------------
/**
* 404 Error Handler
*
* @uses CI_Exceptions::show_error()
*
* @param string $page Page URI
* @param bool $log_error Whether to log the error
* @return void
*/
public function show_404($page = '', $log_error = TRUE)
{
if (is_cli())
{
$heading = 'Not Found';
$message = 'The controller/method pair you requested was not found.';
}
else
{
$heading = '404 Page Not Found';
$message = 'The page you requested was not found.';
}
// By default we log this, but allow a dev to skip it
if ($log_error)
{
log_message('error', $heading.': '.$page);
}
echo $this->show_error($heading, $message, 'error_404', 404);
exit(4); // EXIT_UNKNOWN_FILE
}
// --------------------------------------------------------------------
/**
* General Error Page
*
* Takes an error message as input (either as a string or an array)
* and displays it using the specified template.
*
* @param string $heading Page heading
* @param string|string[] $message Error message
* @param string $template Template name
* @param int $status_code (default: 500)
*
* @return string Error page output
*/
public function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
if (is_cli())
{
$message = "\t".(is_array($message) ? implode("\n\t", $message) : $message);
$template = 'cli'.DIRECTORY_SEPARATOR.$template;
}
else
{
set_status_header($status_code);
$message = '<p>'.(is_array($message) ? implode('</p><p>', $message) : $message).'</p>';
$template = 'html'.DIRECTORY_SEPARATOR.$template;
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
// --------------------------------------------------------------------
public function show_exception($exception)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
$message = $exception->getMessage();
if (empty($message))
{
$message = '(null)';
}
if (is_cli())
{
$templates_path .= 'cli'.DIRECTORY_SEPARATOR;
}
else
{
$templates_path .= 'html'.DIRECTORY_SEPARATOR;
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.'error_exception.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
// --------------------------------------------------------------------
/**
* Native PHP error handler
*
* @param int $severity Error level
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
* @return void
*/
public function show_php_error($severity, $message, $filepath, $line)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
// For safety reasons we don't show the full file path in non-CLI requests
if ( ! is_cli())
{
$filepath = str_replace('\\', '/', $filepath);
if (FALSE !== strpos($filepath, '/'))
{
$x = explode('/', $filepath);
$filepath = $x[count($x)-2].'/'.end($x);
}
$template = 'html'.DIRECTORY_SEPARATOR.'error_php';
}
else
{
$template = 'cli'.DIRECTORY_SEPARATOR.'error_php';
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Hooks Class
*
* Provides a mechanism to extend the base system without hacking.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/general/hooks.html
*/
class CI_Hooks {
/**
* Determines whether hooks are enabled
*
* @var bool
*/
public $enabled = FALSE;
/**
* List of all hooks set in config/hooks.php
*
* @var array
*/
public $hooks = array();
/**
* Array with class objects to use hooks methods
*
* @var array
*/
protected $_objects = array();
/**
* In progress flag
*
* Determines whether hook is in progress, used to prevent infinte loops
*
* @var bool
*/
protected $_in_progress = FALSE;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$CFG =& load_class('Config', 'core');
log_message('info', 'Hooks Class Initialized');
// If hooks are not enabled in the config file
// there is nothing else to do
if ($CFG->item('enable_hooks') === FALSE)
{
return;
}
// Grab the "hooks" definition file.
if (file_exists(APPPATH.'config/hooks.php'))
{
include(APPPATH.'config/hooks.php');
}
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php');
}
// If there are no hooks, we're done.
if ( ! isset($hook) OR ! is_array($hook))
{
return;
}
$this->hooks =& $hook;
$this->enabled = TRUE;
}
// --------------------------------------------------------------------
/**
* Call Hook
*
* Calls a particular hook. Called by CodeIgniter.php.
*
* @uses CI_Hooks::_run_hook()
*
* @param string $which Hook name
* @return bool TRUE on success or FALSE on failure
*/
public function call_hook($which = '')
{
if ( ! $this->enabled OR ! isset($this->hooks[$which]))
{
return FALSE;
}
if (is_array($this->hooks[$which]) && ! isset($this->hooks[$which]['function']))
{
foreach ($this->hooks[$which] as $val)
{
$this->_run_hook($val);
}
}
else
{
$this->_run_hook($this->hooks[$which]);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Run Hook
*
* Runs a particular hook
*
* @param array $data Hook details
* @return bool TRUE on success or FALSE on failure
*/
protected function _run_hook($data)
{
// Closures/lambda functions and array($object, 'method') callables
if (is_callable($data))
{
is_array($data)
? $data[0]->{$data[1]}()
: $data();
return TRUE;
}
elseif ( ! is_array($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'], $data['filename']))
{
return FALSE;
}
$filepath = APPPATH.$data['filepath'].'/'.$data['filename'];
if ( ! file_exists($filepath))
{
return FALSE;
}
// Determine and class and/or function names
$class = empty($data['class']) ? FALSE : $data['class'];
$function = empty($data['function']) ? FALSE : $data['function'];
$params = isset($data['params']) ? $data['params'] : '';
if (empty($function))
{
return FALSE;
}
// Set the _in_progress flag
$this->_in_progress = TRUE;
// Call the requested class and/or function
if ($class !== FALSE)
{
// The object is stored?
if (isset($this->_objects[$class]))
{
if (method_exists($this->_objects[$class], $function))
{
$this->_objects[$class]->$function($params);
}
else
{
return $this->_in_progress = FALSE;
}
}
else
{
class_exists($class, FALSE) OR require_once($filepath);
if ( ! class_exists($class, FALSE) OR ! method_exists($class, $function))
{
return $this->_in_progress = FALSE;
}
// Store the object and execute the method
$this->_objects[$class] = new $class();
$this->_objects[$class]->$function($params);
}
}
else
{
function_exists($function) OR require_once($filepath);
if ( ! function_exists($function))
{
return $this->_in_progress = FALSE;
}
$function($params);
}
$this->_in_progress = FALSE;
return TRUE;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Language Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Language
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/language.html
*/
class CI_Lang {
/**
* List of translations
*
* @var array
*/
public $language = array();
/**
* List of loaded language files
*
* @var array
*/
public $is_loaded = array();
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
log_message('info', 'Language Class Initialized');
}
// --------------------------------------------------------------------
/**
* Load a language file
*
* @param mixed $langfile Language file name
* @param string $idiom Language name (english, etc.)
* @param bool $return Whether to return the loaded array of translations
* @param bool $add_suffix Whether to add suffix to $langfile
* @param string $alt_path Alternative path to look for the language file
*
* @return void|string[] Array containing translations, if $return is set to TRUE
*/
public function load($langfile, $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
{
if (is_array($langfile))
{
foreach ($langfile as $value)
{
$this->load($value, $idiom, $return, $add_suffix, $alt_path);
}
return;
}
$langfile = str_replace('.php', '', $langfile);
if ($add_suffix === TRUE)
{
$langfile = preg_replace('/_lang$/', '', $langfile).'_lang';
}
$langfile .= '.php';
if (empty($idiom) OR ! preg_match('/^[a-z_-]+$/i', $idiom))
{
$config =& get_config();
$idiom = empty($config['language']) ? 'english' : $config['language'];
}
if ($return === FALSE && isset($this->is_loaded[$langfile]) && $this->is_loaded[$langfile] === $idiom)
{
return;
}
// Load the base file, so any others found can override it
$basepath = BASEPATH.'language/'.$idiom.'/'.$langfile;
if (($found = file_exists($basepath)) === TRUE)
{
include($basepath);
}
// Do we have an alternative path to look in?
if ($alt_path !== '')
{
$alt_path .= 'language/'.$idiom.'/'.$langfile;
if (file_exists($alt_path))
{
include($alt_path);
$found = TRUE;
}
}
else
{
foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
{
$package_path .= 'language/'.$idiom.'/'.$langfile;
if ($basepath !== $package_path && file_exists($package_path))
{
include($package_path);
$found = TRUE;
break;
}
}
}
if ($found !== TRUE)
{
show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
}
if ( ! isset($lang) OR ! is_array($lang))
{
log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
if ($return === TRUE)
{
return array();
}
return;
}
if ($return === TRUE)
{
return $lang;
}
$this->is_loaded[$langfile] = $idiom;
$this->language = array_merge($this->language, $lang);
log_message('info', 'Language file loaded: language/'.$idiom.'/'.$langfile);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Language line
*
* Fetches a single line of text from the language array
*
* @param string $line Language line key
* @param bool $log_errors Whether to log an error message if the line is not found
* @return string Translation
*/
public function line($line, $log_errors = TRUE)
{
$value = isset($this->language[$line]) ? $this->language[$line] : FALSE;
// Because killer robots like unicorns!
if ($value === FALSE && $log_errors === TRUE)
{
log_message('error', 'Could not find the language line "'.$line.'"');
}
return $value;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Logging Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Logging
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/general/errors.html
*/
class CI_Log {
/**
* Path to save log files
*
* @var string
*/
protected $_log_path;
/**
* File permissions
*
* @var int
*/
protected $_file_permissions = 0644;
/**
* Level of logging
*
* @var int
*/
protected $_threshold = 1;
/**
* Array of threshold levels to log
*
* @var array
*/
protected $_threshold_array = array();
/**
* Format of timestamp for log files
*
* @var string
*/
protected $_date_fmt = 'Y-m-d H:i:s';
/**
* Filename extension
*
* @var string
*/
protected $_file_ext;
/**
* Whether or not the logger can write to the log files
*
* @var bool
*/
protected $_enabled = TRUE;
/**
* Predefined logging levels
*
* @var array
*/
protected $_levels = array('ERROR' => 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4);
/**
* mbstring.func_overload flag
*
* @var bool
*/
protected static $func_overload;
// --------------------------------------------------------------------
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$config =& get_config();
isset(self::$func_overload) OR self::$func_overload = ( ! is_php('8.0') && extension_loaded('mbstring') && @ini_get('mbstring.func_overload'));
$this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/';
$this->_file_ext = (isset($config['log_file_extension']) && $config['log_file_extension'] !== '')
? ltrim($config['log_file_extension'], '.') : 'php';
file_exists($this->_log_path) OR mkdir($this->_log_path, 0755, TRUE);
if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path))
{
$this->_enabled = FALSE;
}
if (is_numeric($config['log_threshold']))
{
$this->_threshold = (int) $config['log_threshold'];
}
elseif (is_array($config['log_threshold']))
{
$this->_threshold = 0;
$this->_threshold_array = array_flip($config['log_threshold']);
}
if ( ! empty($config['log_date_format']))
{
$this->_date_fmt = $config['log_date_format'];
}
if ( ! empty($config['log_file_permissions']) && is_int($config['log_file_permissions']))
{
$this->_file_permissions = $config['log_file_permissions'];
}
}
// --------------------------------------------------------------------
/**
* Write Log File
*
* Generally this function will be called using the global log_message() function
*
* @param string $level The error level: 'error', 'debug' or 'info'
* @param string $msg The error message
* @return bool
*/
public function write_log($level, $msg)
{
if ($this->_enabled === FALSE)
{
return FALSE;
}
$level = strtoupper($level);
if (( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
&& ! isset($this->_threshold_array[$this->_levels[$level]]))
{
return FALSE;
}
$filepath = $this->_log_path.'log-'.date('Y-m-d').'.'.$this->_file_ext;
$message = '';
if ( ! file_exists($filepath))
{
$newfile = TRUE;
// Only add protection to php files
if ($this->_file_ext === 'php')
{
$message .= "<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?>\n\n";
}
}
if ( ! $fp = @fopen($filepath, 'ab'))
{
return FALSE;
}
flock($fp, LOCK_EX);
// Instantiating DateTime with microseconds appended to initial date is needed for proper support of this format
if (strpos($this->_date_fmt, 'u') !== FALSE)
{
$microtime_full = microtime(TRUE);
$microtime_short = sprintf("%06d", ($microtime_full - floor($microtime_full)) * 1000000);
$date = new DateTime(date('Y-m-d H:i:s.'.$microtime_short, $microtime_full));
$date = $date->format($this->_date_fmt);
}
else
{
$date = date($this->_date_fmt);
}
$message .= $this->_format_line($level, $date, $msg);
for ($written = 0, $length = self::strlen($message); $written < $length; $written += $result)
{
if (($result = fwrite($fp, self::substr($message, $written))) === FALSE)
{
break;
}
}
flock($fp, LOCK_UN);
fclose($fp);
if (isset($newfile) && $newfile === TRUE)
{
chmod($filepath, $this->_file_permissions);
}
return is_int($result);
}
// --------------------------------------------------------------------
/**
* Format the log line.
*
* This is for extensibility of log formatting
* If you want to change the log format, extend the CI_Log class and override this method
*
* @param string $level The error level
* @param string $date Formatted date string
* @param string $message The log message
* @return string Formatted log line with a new line character at the end
*/
protected function _format_line($level, $date, $message)
{
return $level.' - '.$date.' --> '.$message.PHP_EOL;
}
// --------------------------------------------------------------------
/**
* Byte-safe strlen()
*
* @param string $str
* @return int
*/
protected static function strlen($str)
{
return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
// --------------------------------------------------------------------
/**
* Byte-safe substr()
*
* @param string $str
* @param int $start
* @param int $length
* @return string
*/
protected static function substr($str, $start, $length = NULL)
{
if (self::$func_overload)
{
// mb_substr($str, $start, null, '8bit') returns an empty
// string on PHP 5.3
isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start);
return mb_substr($str, $start, $length, '8bit');
}
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Model Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/config.html
*/
class CI_Model {
/**
* Class constructor
*
* @link https://github.com/bcit-ci/CodeIgniter/issues/5332
* @return void
*/
public function __construct() {}
/**
* __get magic
*
* Allows models to access CI's loaded classes using the same
* syntax as controllers.
*
* @param string $key
*/
public function __get($key)
{
// Debugging note:
// If you're here because you're getting an error message
// saying 'Undefined Property: system/core/Model.php', it's
// most likely a typo in your model code.
return get_instance()->$key;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Utf8 Class
*
* Provides support for UTF-8 environments
*
* @package CodeIgniter
* @subpackage Libraries
* @category UTF-8
* @author EllisLab Dev Team
* @link https://codeigniter.com/userguide3/libraries/utf8.html
*/
class CI_Utf8 {
/**
* Class constructor
*
* Determines if UTF-8 support is to be enabled.
*
* @return void
*/
public function __construct()
{
if (
defined('PREG_BAD_UTF8_ERROR') // PCRE must support UTF-8
&& (ICONV_ENABLED === TRUE OR MB_ENABLED === TRUE) // iconv or mbstring must be installed
&& strtoupper(config_item('charset')) === 'UTF-8' // Application charset must be UTF-8
)
{
define('UTF8_ENABLED', TRUE);
log_message('debug', 'UTF-8 Support Enabled');
}
else
{
define('UTF8_ENABLED', FALSE);
log_message('debug', 'UTF-8 Support Disabled');
}
log_message('info', 'Utf8 Class Initialized');
}
// --------------------------------------------------------------------
/**
* Clean UTF-8 strings
*
* Ensures strings contain only valid UTF-8 characters.
*
* @param string $str String to clean
* @return string
*/
public function clean_string($str)
{
if ($this->is_ascii($str) === FALSE)
{
if (MB_ENABLED)
{
$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
}
elseif (ICONV_ENABLED)
{
$str = @iconv('UTF-8', 'UTF-8//IGNORE', $str);
}
}
return $str;
}
// --------------------------------------------------------------------
/**
* Remove ASCII control characters
*
* Removes all ASCII control characters except horizontal tabs,
* line feeds, and carriage returns, as all others can cause
* problems in XML.
*
* @param string $str String to clean
* @return string
*/
public function safe_ascii_for_xml($str)
{
return remove_invisible_characters($str, FALSE);
}
// --------------------------------------------------------------------
/**
* Convert to UTF-8
*
* Attempts to convert a string to UTF-8.
*
* @param string $str Input string
* @param string $encoding Input encoding
* @return string $str encoded in UTF-8 or FALSE on failure
*/
public function convert_to_utf8($str, $encoding)
{
if (MB_ENABLED)
{
return mb_convert_encoding($str, 'UTF-8', $encoding);
}
elseif (ICONV_ENABLED)
{
return @iconv($encoding, 'UTF-8', $str);
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Is ASCII?
*
* Tests if a string is standard 7-bit ASCII or not.
*
* @param string $str String to check
* @return bool
*/
public function is_ascii($str)
{
return (preg_match('/[^\x00-\x7F]/S', $str) === 0);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/hash compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/userguide3/
* @link https://secure.php.net/hash
*/
// ------------------------------------------------------------------------
if (is_php('5.6'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hash_equals'))
{
/**
* hash_equals()
*
* @link http://php.net/hash_equals
* @param string $known_string
* @param string $user_string
* @return bool
*/
function hash_equals($known_string, $user_string)
{
if ( ! is_string($known_string))
{
trigger_error('hash_equals(): Expected known_string to be a string, '.strtolower(gettype($known_string)).' given', E_USER_WARNING);
return FALSE;
}
elseif ( ! is_string($user_string))
{
trigger_error('hash_equals(): Expected user_string to be a string, '.strtolower(gettype($user_string)).' given', E_USER_WARNING);
return FALSE;
}
elseif (($length = strlen($known_string)) !== strlen($user_string))
{
return FALSE;
}
$diff = 0;
for ($i = 0; $i < $length; $i++)
{
$diff |= ord($known_string[$i]) ^ ord($user_string[$i]);
}
return ($diff === 0);
}
}
// ------------------------------------------------------------------------
if (is_php('5.5'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hash_pbkdf2'))
{
/**
* hash_pbkdf2()
*
* @link http://php.net/hash_pbkdf2
* @param string $algo
* @param string $password
* @param string $salt
* @param int $iterations
* @param int $length
* @param bool $raw_output
* @return string
*/
function hash_pbkdf2($algo, $password, $salt, $iterations, $length = 0, $raw_output = FALSE)
{
if ( ! in_array(strtolower($algo), hash_algos(), TRUE))
{
trigger_error('hash_pbkdf2(): Unknown hashing algorithm: '.$algo, E_USER_WARNING);
return FALSE;
}
if (($type = gettype($iterations)) !== 'integer')
{
if ($type === 'object' && method_exists($iterations, '__toString'))
{
$iterations = (string) $iterations;
}
if (is_string($iterations) && is_numeric($iterations))
{
$iterations = (int) $iterations;
}
else
{
trigger_error('hash_pbkdf2() expects parameter 4 to be long, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if ($iterations < 1)
{
trigger_error('hash_pbkdf2(): Iterations must be a positive integer: '.$iterations, E_USER_WARNING);
return FALSE;
}
if (($type = gettype($length)) !== 'integer')
{
if ($type === 'object' && method_exists($length, '__toString'))
{
$length = (string) $length;
}
if (is_string($length) && is_numeric($length))
{
$length = (int) $length;
}
else
{
trigger_error('hash_pbkdf2() expects parameter 5 to be long, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if ($length < 0)
{
trigger_error('hash_pbkdf2(): Length must be greater than or equal to 0: '.$length, E_USER_WARNING);
return FALSE;
}
$hash_length = defined('MB_OVERLOAD_STRING')
? mb_strlen(hash($algo, NULL, TRUE), '8bit')
: strlen(hash($algo, NULL, TRUE));
empty($length) && $length = $hash_length;
// Pre-hash password inputs longer than the algorithm's block size
// (i.e. prepare HMAC key) to mitigate potential DoS attacks.
static $block_sizes;
empty($block_sizes) && $block_sizes = array(
'gost' => 32,
'haval128,3' => 128,
'haval160,3' => 128,
'haval192,3' => 128,
'haval224,3' => 128,
'haval256,3' => 128,
'haval128,4' => 128,
'haval160,4' => 128,
'haval192,4' => 128,
'haval224,4' => 128,
'haval256,4' => 128,
'haval128,5' => 128,
'haval160,5' => 128,
'haval192,5' => 128,
'haval224,5' => 128,
'haval256,5' => 128,
'md2' => 16,
'md4' => 64,
'md5' => 64,
'ripemd128' => 64,
'ripemd160' => 64,
'ripemd256' => 64,
'ripemd320' => 64,
'salsa10' => 64,
'salsa20' => 64,
'sha1' => 64,
'sha224' => 64,
'sha256' => 64,
'sha384' => 128,
'sha512' => 128,
'snefru' => 32,
'snefru256' => 32,
'tiger128,3' => 64,
'tiger160,3' => 64,
'tiger192,3' => 64,
'tiger128,4' => 64,
'tiger160,4' => 64,
'tiger192,4' => 64,
'whirlpool' => 64
);
if (isset($block_sizes[$algo], $password[$block_sizes[$algo]]))
{
$password = hash($algo, $password, TRUE);
}
$hash = '';
// Note: Blocks are NOT 0-indexed
for ($bc = (int) ceil($length / $hash_length), $bi = 1; $bi <= $bc; $bi++)
{
$key = $derived_key = hash_hmac($algo, $salt.pack('N', $bi), $password, TRUE);
for ($i = 1; $i < $iterations; $i++)
{
$derived_key ^= $key = hash_hmac($algo, $key, $password, TRUE);
}
$hash .= $derived_key;
}
// This is not RFC-compatible, but we're aiming for natural PHP compatibility
if ( ! $raw_output)
{
$hash = bin2hex($hash);
}
return defined('MB_OVERLOAD_STRING')
? mb_substr($hash, 0, $length, '8bit')
: substr($hash, 0, $length);
}
}

11
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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

150
system/core/compat/mbstring.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/mbstring compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/userguide3/
* @link https://secure.php.net/mbstring
*/
// ------------------------------------------------------------------------
if (MB_ENABLED === TRUE)
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_strlen'))
{
/**
* mb_strlen()
*
* WARNING: This function WILL fall-back to strlen()
* if iconv is not available!
*
* @link http://php.net/mb_strlen
* @param string $str
* @param string $encoding
* @return int
*/
function mb_strlen($str, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
return iconv_strlen($str, isset($encoding) ? $encoding : config_item('charset'));
}
log_message('debug', 'Compatibility (mbstring): iconv_strlen() is not available, falling back to strlen().');
return strlen($str);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_strpos'))
{
/**
* mb_strpos()
*
* WARNING: This function WILL fall-back to strpos()
* if iconv is not available!
*
* @link http://php.net/mb_strpos
* @param string $haystack
* @param string $needle
* @param int $offset
* @param string $encoding
* @return mixed
*/
function mb_strpos($haystack, $needle, $offset = 0, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
return iconv_strpos($haystack, $needle, $offset, isset($encoding) ? $encoding : config_item('charset'));
}
log_message('debug', 'Compatibility (mbstring): iconv_strpos() is not available, falling back to strpos().');
return strpos($haystack, $needle, $offset);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_substr'))
{
/**
* mb_substr()
*
* WARNING: This function WILL fall-back to substr()
* if iconv is not available.
*
* @link http://php.net/mb_substr
* @param string $str
* @param int $start
* @param int $length
* @param string $encoding
* @return string
*/
function mb_substr($str, $start, $length = NULL, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
isset($encoding) OR $encoding = config_item('charset');
return iconv_substr(
$str,
$start,
isset($length) ? $length : iconv_strlen($str, $encoding), // NULL doesn't work
$encoding
);
}
log_message('debug', 'Compatibility (mbstring): iconv_substr() is not available, falling back to substr().');
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}

252
system/core/compat/password.php Normal file
View File

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/standard/password compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/userguide3/
* @link https://secure.php.net/password
*/
// ------------------------------------------------------------------------
if (is_php('5.5') OR ! defined('CRYPT_BLOWFISH') OR CRYPT_BLOWFISH !== 1 OR defined('HHVM_VERSION'))
{
return;
}
// ------------------------------------------------------------------------
defined('PASSWORD_BCRYPT') OR define('PASSWORD_BCRYPT', 1);
defined('PASSWORD_DEFAULT') OR define('PASSWORD_DEFAULT', PASSWORD_BCRYPT);
// ------------------------------------------------------------------------
if ( ! function_exists('password_get_info'))
{
/**
* password_get_info()
*
* @link http://php.net/password_get_info
* @param string $hash
* @return array
*/
function password_get_info($hash)
{
return (strlen($hash) < 60 OR sscanf($hash, '$2y$%d', $hash) !== 1)
? array('algo' => 0, 'algoName' => 'unknown', 'options' => array())
: array('algo' => 1, 'algoName' => 'bcrypt', 'options' => array('cost' => $hash));
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_hash'))
{
/**
* password_hash()
*
* @link http://php.net/password_hash
* @param string $password
* @param int $algo
* @param array $options
* @return mixed
*/
function password_hash($password, $algo, array $options = array())
{
static $func_overload;
isset($func_overload) OR $func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
if ($algo !== 1)
{
trigger_error('password_hash(): Unknown hashing algorithm: '.(int) $algo, E_USER_WARNING);
return NULL;
}
if (isset($options['cost']) && ($options['cost'] < 4 OR $options['cost'] > 31))
{
trigger_error('password_hash(): Invalid bcrypt cost parameter specified: '.(int) $options['cost'], E_USER_WARNING);
return NULL;
}
if (isset($options['salt']) && ($saltlen = ($func_overload ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))) < 22)
{
trigger_error('password_hash(): Provided salt is too short: '.$saltlen.' expecting 22', E_USER_WARNING);
return NULL;
}
elseif ( ! isset($options['salt']))
{
if (function_exists('random_bytes'))
{
try
{
$options['salt'] = random_bytes(16);
}
catch (Exception $e)
{
log_message('error', 'compat/password: Error while trying to use random_bytes(): '.$e->getMessage());
return FALSE;
}
}
elseif (defined('MCRYPT_DEV_URANDOM'))
{
$options['salt'] = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM);
}
elseif (DIRECTORY_SEPARATOR === '/' && (is_readable($dev = '/dev/arandom') OR is_readable($dev = '/dev/urandom')))
{
if (($fp = fopen($dev, 'rb')) === FALSE)
{
log_message('error', 'compat/password: Unable to open '.$dev.' for reading.');
return FALSE;
}
// Try not to waste entropy ...
is_php('5.4') && stream_set_chunk_size($fp, 16);
$options['salt'] = '';
for ($read = 0; $read < 16; $read = ($func_overload) ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))
{
if (($read = fread($fp, 16 - $read)) === FALSE)
{
log_message('error', 'compat/password: Error while reading from '.$dev.'.');
return FALSE;
}
$options['salt'] .= $read;
}
fclose($fp);
}
elseif (function_exists('openssl_random_pseudo_bytes'))
{
$is_secure = NULL;
$options['salt'] = openssl_random_pseudo_bytes(16, $is_secure);
if ($is_secure !== TRUE)
{
log_message('error', 'compat/password: openssl_random_pseudo_bytes() set the $cryto_strong flag to FALSE');
return FALSE;
}
}
else
{
log_message('error', 'compat/password: No CSPRNG available.');
return FALSE;
}
$options['salt'] = str_replace('+', '.', rtrim(base64_encode($options['salt']), '='));
}
elseif ( ! preg_match('#^[a-zA-Z0-9./]+$#D', $options['salt']))
{
$options['salt'] = str_replace('+', '.', rtrim(base64_encode($options['salt']), '='));
}
isset($options['cost']) OR $options['cost'] = 10;
return (strlen($password = crypt($password, sprintf('$2y$%02d$%s', $options['cost'], $options['salt']))) === 60)
? $password
: FALSE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_needs_rehash'))
{
/**
* password_needs_rehash()
*
* @link http://php.net/password_needs_rehash
* @param string $hash
* @param int $algo
* @param array $options
* @return bool
*/
function password_needs_rehash($hash, $algo, array $options = array())
{
$info = password_get_info($hash);
if ($algo !== $info['algo'])
{
return TRUE;
}
elseif ($algo === 1)
{
$options['cost'] = isset($options['cost']) ? (int) $options['cost'] : 10;
return ($info['options']['cost'] !== $options['cost']);
}
// Odd at first glance, but according to a comment in PHP's own unit tests,
// because it is an unknown algorithm - it's valid and therefore doesn't
// need rehashing.
return FALSE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_verify'))
{
/**
* password_verify()
*
* @link http://php.net/password_verify
* @param string $password
* @param string $hash
* @return bool
*/
function password_verify($password, $hash)
{
if (strlen($hash) !== 60 OR strlen($password = crypt($password, $hash)) !== 60)
{
return FALSE;
}
$compare = 0;
for ($i = 0; $i < 60; $i++)
{
$compare |= (ord($password[$i]) ^ ord($hash[$i]));
}
return ($compare === 0);
}
}

183
system/core/compat/standard.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/standard compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/userguide3/
*/
// ------------------------------------------------------------------------
if (is_php('5.5'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('array_column'))
{
/**
* array_column()
*
* @link http://php.net/array_column
* @param array $array
* @param mixed $column_key
* @param mixed $index_key
* @return array
*/
function array_column(array $array, $column_key, $index_key = NULL)
{
if ( ! in_array($type = gettype($column_key), array('integer', 'string', 'NULL'), TRUE))
{
if ($type === 'double')
{
$column_key = (int) $column_key;
}
elseif ($type === 'object' && method_exists($column_key, '__toString'))
{
$column_key = (string) $column_key;
}
else
{
trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
return FALSE;
}
}
if ( ! in_array($type = gettype($index_key), array('integer', 'string', 'NULL'), TRUE))
{
if ($type === 'double')
{
$index_key = (int) $index_key;
}
elseif ($type === 'object' && method_exists($index_key, '__toString'))
{
$index_key = (string) $index_key;
}
else
{
trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
return FALSE;
}
}
$result = array();
foreach ($array as &$a)
{
if ($column_key === NULL)
{
$value = $a;
}
elseif (is_array($a) && array_key_exists($column_key, $a))
{
$value = $a[$column_key];
}
else
{
continue;
}
if ($index_key === NULL OR ! array_key_exists($index_key, $a))
{
$result[] = $value;
}
else
{
$result[$a[$index_key]] = $value;
}
}
return $result;
}
}
// ------------------------------------------------------------------------
if (is_php('5.4'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hex2bin'))
{
/**
* hex2bin()
*
* @link http://php.net/hex2bin
* @param string $data
* @return string
*/
function hex2bin($data)
{
if (in_array($type = gettype($data), array('array', 'double', 'object', 'resource'), TRUE))
{
if ($type === 'object' && method_exists($data, '__toString'))
{
$data = (string) $data;
}
else
{
trigger_error('hex2bin() expects parameter 1 to be string, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if (strlen($data) % 2 !== 0)
{
trigger_error('Hexadecimal input string must have an even length', E_USER_WARNING);
return FALSE;
}
elseif ( ! preg_match('/^[0-9a-f]*$/i', $data))
{
trigger_error('Input string must be hexadecimal string', E_USER_WARNING);
return FALSE;
}
return pack('H*', $data);
}
}

11
system/core/index.html Normal file
View File

@@ -0,0 +1,11 @@
<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>