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PlexShare/fuel/core/classes/errorhandler.php

326 lines
8.7 KiB

<?php
/**
* Part of the Fuel framework.
*
* @package Fuel
* @version 1.8
* @author Fuel Development Team
* @license MIT License
* @copyright 2010 - 2016 Fuel Development Team
* @link http://fuelphp.com
*/
namespace Fuel\Core;
/**
* Exception class for standard PHP errors, this will make them catchable
*/
class PhpErrorException extends \ErrorException
{
public static $count = 0;
public static $loglevel = \Fuel::L_ERROR;
/**
* Allow the error handler from recovering from error types defined in the config
*/
public function recover()
{
// handle the error based on the config and the environment we're in
if (static::$count <= \Config::get('errors.throttle', 10))
{
logger(static::$loglevel, $this->code.' - '.$this->message.' in '.$this->file.' on line '.$this->line);
if (\Fuel::$env != \Fuel::PRODUCTION and ($this->code & error_reporting()) == $this->code)
{
static::$count++;
\Errorhandler::exception_handler(new \ErrorException($this->message, $this->code, 0, $this->file, $this->line));
}
}
elseif (\Fuel::$env != \Fuel::PRODUCTION
and static::$count == (\Config::get('errors.throttle', 10) + 1)
and ($this->severity & error_reporting()) == $this->severity)
{
static::$count++;
\Errorhandler::notice('Error throttling threshold was reached, no more full error reports are shown.', true);
}
}
}
/**
*
*/
class Errorhandler
{
public static $loglevel = \Fuel::L_ERROR;
public static $levels = array(
0 => 'Error',
E_ERROR => 'Fatal 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',
E_RECOVERABLE_ERROR => 'Runtime Recoverable error',
E_DEPRECATED => 'Runtime Deprecated code usage',
E_USER_DEPRECATED => 'User Deprecated code usage',
);
public static $fatal_levels = array(E_PARSE, E_ERROR, E_USER_ERROR, E_COMPILE_ERROR);
public static $non_fatal_cache = array();
/**
* Native PHP shutdown handler
*
* @return string
*/
public static function shutdown_handler()
{
$last_error = error_get_last();
// Only show valid fatal errors
if ($last_error AND in_array($last_error['type'], static::$fatal_levels))
{
$severity = static::$levels[$last_error['type']];
logger(static::$loglevel, $severity.' - '.$last_error['message'].' in '.$last_error['file'].' on line '.$last_error['line']);
$error = new \ErrorException($last_error['message'], $last_error['type'], 0, $last_error['file'], $last_error['line']);
if (\Fuel::$env != \Fuel::PRODUCTION)
{
static::show_php_error($error);
}
else
{
static::show_production_error($error);
}
exit(1);
}
}
/**
* PHP Exception handler
*
* @param Exception $e the exception
* @return bool
*/
public static function exception_handler($e)
{
// make sure we've got something useful passed
if ($e instanceOf \Exception or (PHP_VERSION_ID >= 70000 and $e instanceOf \Error))
{
if (method_exists($e, 'handle'))
{
return $e->handle();
}
$severity = ( ! isset(static::$levels[$e->getCode()])) ? $e->getCode() : static::$levels[$e->getCode()];
logger(static::$loglevel, $severity.' - '.$e->getMessage().' in '.$e->getFile().' on line '.$e->getLine());
if (\Fuel::$env != \Fuel::PRODUCTION)
{
static::show_php_error($e);
}
else
{
static::show_production_error($e);
}
}
else
{
die('Something was passed to the Exception handler that was neither an Error or an Exception !!!');
}
return true;
}
/**
* PHP Error handler
*
* @param int $severity the severity code
* @param string $message the error message
* @param string $filepath the path to the file throwing the error
* @param int $line the line number of the error
* @return bool whether to continue with execution
*/
public static function error_handler($severity, $message, $filepath, $line)
{
// don't do anything if error reporting is disabled
if (error_reporting() !== 0)
{
$fatal = (bool) ( ! in_array($severity, \Config::get('errors.continue_on', array())));
if ($fatal)
{
throw new \PhpErrorException($message, $severity, 0, $filepath, $line);
}
else
{
// non-fatal, recover from the error
$e = new \PhpErrorException($message, $severity, 0, $filepath, $line);
$e->recover();
}
}
return true;
}
/**
* Shows a small notice error, only when not in production or when forced.
* This is used by several libraries to notify the developer of certain things.
*
* @param string $msg the message to display
* @param bool $always_show whether to force display the notice or not
* @return void
*/
public static function notice($msg, $always_show = false)
{
$trace = array_merge(array('file' => '(unknown)', 'line' => '(unknown)'), \Arr::get(debug_backtrace(), 1));
logger(\Fuel::L_DEBUG, 'Notice - '.$msg.' in '.$trace['file'].' on line '.$trace['line']);
if (\Fuel::$is_test or ( ! $always_show and (\Fuel::$env == \Fuel::PRODUCTION or \Config::get('errors.notices', true) === false)))
{
return;
}
$data['message'] = $msg;
$data['type'] = 'Notice';
$data['filepath'] = \Fuel::clean_path($trace['file']);
$data['line'] = $trace['line'];
$data['function'] = $trace['function'];
echo \View::forge('errors'.DS.'php_short', $data, false);
}
/**
* Shows an error. It will stop script execution if the error code is not
* in the errors.continue_on whitelist.
*
* @param Exception $e the exception to show
* @return void
*/
protected static function show_php_error($e)
{
$fatal = (bool) ( ! in_array($e->getCode(), \Config::get('errors.continue_on', array())));
$data = static::prepare_exception($e, $fatal);
if ($fatal)
{
$data['contents'] = ob_get_contents();
while (ob_get_level() > 0)
{
ob_end_clean();
}
ob_start(\Config::get('ob_callback', null));
}
else
{
static::$non_fatal_cache[] = $data;
}
if (\Fuel::$is_cli)
{
\Cli::write(\Cli::color($data['severity'].' - '.$data['message'].' in '.\Fuel::clean_path($data['filepath']).' on line '.$data['error_line'], 'red'));
if (\Config::get('cli_backtrace'))
{
\Cli::write('Stack trace:');
\Cli::write(\Debug::backtrace($e->getTrace()));
}
return;
}
if ($fatal)
{
if ( ! headers_sent())
{
$protocol = \Input::server('SERVER_PROTOCOL') ? \Input::server('SERVER_PROTOCOL') : 'HTTP/1.1';
header($protocol.' 500 Internal Server Error');
}
$data['non_fatal'] = static::$non_fatal_cache;
try
{
exit(\View::forge('errors'.DS.'php_fatal_error', $data, false));
}
catch (\FuelException $view_exception)
{
exit($data['severity'].' - '.$data['message'].' in '.\Fuel::clean_path($data['filepath']).' on line '.$data['error_line']);
}
}
try
{
echo \View::forge('errors'.DS.'php_error', $data, false);
}
catch (\FuelException $e)
{
echo $e->getMessage().'<br />';
}
}
/**
* Shows the errors/production view and exits. This only gets
* called when an error occurs in production mode.
*
* @return void
*/
protected static function show_production_error($e)
{
// when we're on CLI, always show the php error
if (\Fuel::$is_cli)
{
return static::show_php_error($e);
}
if ( ! headers_sent())
{
$protocol = \Input::server('SERVER_PROTOCOL') ? \Input::server('SERVER_PROTOCOL') : 'HTTP/1.1';
header($protocol.' 500 Internal Server Error');
}
exit(\View::forge('errors'.DS.'production'));
}
protected static function prepare_exception($e, $fatal = true)
{
$data = array();
$data['type'] = get_class($e);
$data['severity'] = $e->getCode();
$data['message'] = $e->getMessage();
$data['filepath'] = $e->getFile();
$data['error_line'] = $e->getLine();
$data['backtrace'] = $e->getTrace();
$data['severity'] = ( ! isset(static::$levels[$data['severity']])) ? $data['severity'] : static::$levels[$data['severity']];
foreach ($data['backtrace'] as $key => $trace)
{
if ( ! isset($trace['file']))
{
unset($data['backtrace'][$key]);
}
elseif ($trace['file'] == COREPATH.'classes/error.php')
{
unset($data['backtrace'][$key]);
}
}
$data['debug_lines'] = \Debug::file_lines($data['filepath'], $data['error_line'], $fatal);
$data['orig_filepath'] = $data['filepath'];
$data['filepath'] = \Fuel::clean_path($data['filepath']);
$data['filepath'] = str_replace("\\", "/", $data['filepath']);
return $data;
}
}