275 lines
7.1 KiB
PHP
275 lines
7.1 KiB
PHP
<?php
|
|
/**
|
|
* CodeIgniter
|
|
*
|
|
* An open source application development framework for PHP
|
|
*
|
|
* This content is released under the MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* @package CodeIgniter
|
|
* @author EllisLab Dev Team
|
|
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
|
|
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
|
|
* @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/user_guide/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;
|
|
}
|
|
|
|
}
|