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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
* Licensed under the Open Software License version 3.0
*
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
* http://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to obtain it
* through the world wide web, please send an email to
* licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Exceptions Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Exceptions
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/libraries/exceptions.html
*/
class CI_Exceptions {
/**
* Nesting level of the output buffering mechanism
*
* @var int
*/
public $ob_level;
/**
* Path to the error templates
*
* @var string
*/
protected $_templates_path;
/**
* List if 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.
$config =& get_config();
$this->_templates_path = (isset($config['error_views_path']) && $config['error_views_path'] !== '')
? $config['error_views_path']
: VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
// --------------------------------------------------------------------
/**
* 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)
{
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() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($this->_templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
// --------------------------------------------------------------------
/**
* Native PHP error handler
*
* @param int $severity Error level
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
* @return string Error page output
*/
public function show_php_error($severity, $message, $filepath, $line)
{
$severity = isset($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() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($this->_templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
}
/* End of file Exceptions.php */
/* Location: ./system/core/Exceptions.php */
|
