346 lines
10 KiB
PHP
346 lines
10 KiB
PHP
<?php
|
||
/**
|
||
* This file is part of the ForkBB <https://github.com/forkbb>.
|
||
*
|
||
* @copyright (c) Visman <mio.visman@yandex.ru, https://github.com/MioVisman>
|
||
* @license The MIT License (MIT)
|
||
*/
|
||
|
||
declare(strict_types=1);
|
||
|
||
namespace ForkBB\Core;
|
||
|
||
use ForkBB\Core\Container;
|
||
use Psr\Log\NullLogger;
|
||
use Throwable;
|
||
|
||
class ErrorHandler
|
||
{
|
||
protected Container $c;
|
||
|
||
/**
|
||
* Уровень буфера вывода на котором работает обработчик
|
||
*/
|
||
protected int $obLevel;
|
||
|
||
/**
|
||
* Описание ошибки
|
||
*/
|
||
protected ?array $error = null;
|
||
|
||
/**
|
||
* Скрываемая часть пути до файла
|
||
*/
|
||
protected string $hidePath;
|
||
|
||
/**
|
||
* Список ошибок
|
||
*/
|
||
protected array $type = [
|
||
0 => ['OTHER_ERROR', 'error'],
|
||
\E_ERROR => ['E_ERROR', 'error'],
|
||
\E_WARNING => ['E_WARNING', 'warning'],
|
||
\E_PARSE => ['E_PARSE', 'critical'],
|
||
\E_NOTICE => ['E_NOTICE', 'notice'],
|
||
\E_CORE_ERROR => ['E_CORE_ERROR', 'error'],
|
||
\E_CORE_WARNING => ['E_CORE_WARNING', 'warning'],
|
||
\E_COMPILE_ERROR => ['E_COMPILE_ERROR', 'error'],
|
||
\E_COMPILE_WARNING => ['E_COMPILE_WARNING', 'warning'],
|
||
\E_USER_ERROR => ['E_USER_ERROR', 'error'],
|
||
\E_USER_WARNING => ['E_USER_WARNING', 'warning'],
|
||
\E_USER_NOTICE => ['E_USER_NOTICE', 'notice'],
|
||
\E_STRICT => ['E_STRICT', 'error'],
|
||
\E_RECOVERABLE_ERROR => ['E_RECOVERABLE_ERROR', 'error'],
|
||
\E_DEPRECATED => ['E_DEPRECATED', 'warning'],
|
||
\E_USER_DEPRECATED => ['E_USER_DEPRECATED', 'warning'],
|
||
];
|
||
|
||
/**
|
||
* Уровень ошибок только для логирования
|
||
*/
|
||
protected int $logOnly = 0;
|
||
|
||
public function __construct()
|
||
{
|
||
$this->hidePath = \realpath(__DIR__ . '/../../');
|
||
|
||
\set_error_handler([$this, 'errorHandler'], \E_ALL);
|
||
\set_exception_handler([$this, 'exceptionHandler']);
|
||
\register_shutdown_function([$this, 'shutdownHandler']);
|
||
|
||
\ob_start();
|
||
$this->obLevel = \ob_get_level();
|
||
}
|
||
|
||
public function __destruct()
|
||
{
|
||
\restore_error_handler();
|
||
\restore_exception_handler();
|
||
|
||
//????
|
||
}
|
||
|
||
public function setContainer(Container $c): void
|
||
{
|
||
$this->c = $c;
|
||
$c->ErrorHandler = $this;
|
||
}
|
||
|
||
/**
|
||
* Устанавливает уровень ошибок, которые логируются без остановки(?) скрипта
|
||
*/
|
||
public function logOnly(int $level): int
|
||
{
|
||
$result = $this->logOnly;
|
||
$this->logOnly = $level;
|
||
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* Обрабатыет перехватываемые ошибки
|
||
*/
|
||
public function errorHandler(int $type, string $message, string $file, int $line): bool
|
||
{
|
||
$logOnly = $this->logOnly & $type;
|
||
|
||
if (
|
||
$type & \error_reporting()
|
||
|| $logOnly
|
||
) {
|
||
$this->error = [
|
||
'type' => $type,
|
||
'message' => $message,
|
||
'file' => $file,
|
||
'line' => $line,
|
||
'trace' => \debug_backtrace(0),
|
||
];
|
||
|
||
$this->log($this->error);
|
||
|
||
if ($logOnly) {
|
||
$this->error = [];
|
||
|
||
\error_clear_last();
|
||
} else {
|
||
exit(1);
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Обрабатывает не перехваченные исключения
|
||
*/
|
||
public function exceptionHandler(Throwable $e): void
|
||
{
|
||
$this->error = [
|
||
'type' => 0,
|
||
'message' => $e->getMessage(),
|
||
'file' => $e->getFile(),
|
||
'line' => $e->getLine(),
|
||
'trace' => $e->getTrace(),
|
||
'exception' => $e,
|
||
];
|
||
|
||
$this->log($this->error);
|
||
}
|
||
|
||
/**
|
||
* Окончательно обрабатывает ошибки (в том числе фатальные) и исключения
|
||
*/
|
||
public function shutdownHandler(): void
|
||
{
|
||
$show = false;
|
||
|
||
if (isset($this->error['type'])) {
|
||
$show = true;
|
||
} elseif (
|
||
\is_array($this->error = \error_get_last())
|
||
&& $this->error['type'] & \error_reporting()
|
||
) {
|
||
$show = true;
|
||
|
||
$this->log($this->error);
|
||
}
|
||
|
||
while (\ob_get_level() > $this->obLevel) {
|
||
\ob_end_clean();
|
||
}
|
||
|
||
if (\ob_get_level() === $this->obLevel) {
|
||
if ($show) {
|
||
\ob_end_clean();
|
||
|
||
$this->show($this->error);
|
||
} else {
|
||
\ob_end_flush();
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Отправляет сообщение в лог
|
||
*/
|
||
protected function log(array $error): void
|
||
{
|
||
$useErrLog = true;
|
||
|
||
try {
|
||
if (
|
||
$this->c instanceof Container
|
||
&& ! $this->c->Log instanceof NullLogger
|
||
) {
|
||
$context = [];
|
||
$method = $this->type[$error['type']][1] ?? $this->type[0][1];
|
||
|
||
if (isset($error['exception'])) {
|
||
$context['exception'] = $error['exception'];
|
||
}
|
||
$context['headers'] = false;
|
||
|
||
$this->c->Log->{$method}($this->message($error), $context);
|
||
|
||
$useErrLog = false;
|
||
}
|
||
} catch (Throwable $e) {
|
||
\error_log($this->message([
|
||
'type' => 0,
|
||
'message' => $e->getMessage(),
|
||
'file' => $e->getFile(),
|
||
'line' => $e->getLine(),
|
||
'trace' => $e->getTrace(),
|
||
'exception' => $e,
|
||
], true));
|
||
}
|
||
|
||
if ($useErrLog) {
|
||
\error_log($this->message($error, true));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Выводит сообщение об ошибке
|
||
*
|
||
* @param array $error
|
||
*/
|
||
protected function show(array $error): void
|
||
{
|
||
\header('HTTP/1.1 500 Internal Server Error');
|
||
\header('Content-Type: text/html; charset=utf-8');
|
||
|
||
echo <<<'EOT'
|
||
<!DOCTYPE html>
|
||
<html lang="en" dir="ltr">
|
||
<head>
|
||
<meta charset="utf-8">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||
<title>500 Internal Server Error</title>
|
||
</head>
|
||
<body>
|
||
|
||
EOT;
|
||
|
||
if (\filter_var(\ini_get('display_errors'), \FILTER_VALIDATE_BOOL)) {
|
||
echo '<p>' . $this->e($this->message($error)) . '</p>';
|
||
|
||
if (
|
||
isset($error['trace'])
|
||
&& \is_array($error['trace'])
|
||
) {
|
||
echo '<div><p>Trace:</p><ol>';
|
||
|
||
foreach ($error['trace'] as $cur) {
|
||
if (
|
||
isset($cur['file'], $cur['line'], $error['file'], $error['line'])
|
||
&& (int) $error['line'] === (int) $cur['line']
|
||
&& $error['file'] === $cur['file']
|
||
) {
|
||
continue;
|
||
}
|
||
|
||
$line = $cur['file'] ?? '-';
|
||
$line .= '(' . ($cur['line'] ?? '-') . '): ';
|
||
if (isset($cur['class'])) {
|
||
$line .= $cur['class'] . $cur['type'];
|
||
}
|
||
$line .= ($cur['function'] ?? 'unknown') . '(';
|
||
|
||
if (
|
||
! empty($cur['args'])
|
||
&& \is_array($cur['args'])
|
||
) {
|
||
$comma = '';
|
||
|
||
foreach ($cur['args'] as $arg) {
|
||
$type = \gettype($arg);
|
||
|
||
switch ($type) {
|
||
case 'boolean':
|
||
$type = $arg ? 'true' : 'false';
|
||
break;
|
||
case 'array':
|
||
$type .= '(' . \count($arg) . ')';
|
||
break;
|
||
case 'resource':
|
||
$type = \get_resource_type($arg);
|
||
break;
|
||
case 'object':
|
||
$type .= '{' . \get_class($arg) . '}';
|
||
break;
|
||
}
|
||
|
||
$line .= $comma . $type;
|
||
$comma = ', ';
|
||
}
|
||
}
|
||
$line .= ')';
|
||
|
||
$line = $this->e(\str_replace($this->hidePath, '...', $line));
|
||
echo "<li>{$line}</li>";
|
||
}
|
||
|
||
echo '</ol></div>';
|
||
}
|
||
} else {
|
||
echo '<p>Server is tired :(</p>';
|
||
}
|
||
|
||
echo <<<'EOT'
|
||
|
||
</body>
|
||
</html>
|
||
|
||
EOT;
|
||
|
||
}
|
||
|
||
/**
|
||
* Формирует сообщение
|
||
*/
|
||
protected function message(array $error, bool $useException = false): string
|
||
{
|
||
$type = $this->type[$error['type']][0] ?? $this->type[0][0];
|
||
|
||
if (
|
||
$useException
|
||
&& isset($error['exception'])
|
||
&& $error['exception'] instanceof Throwable
|
||
) {
|
||
$result = "PHP {$type}: {$error['exception']}";
|
||
} else {
|
||
$result = "PHP {$type}: {$error['message']} in {$error['file']}:[{$error['line']}]";
|
||
}
|
||
|
||
return \preg_replace('%[\x00-\x1F]%', ' ', \str_replace($this->hidePath, '...', $result));
|
||
}
|
||
|
||
/**
|
||
* Экранирует спецсимволов HTML-сущностями
|
||
*/
|
||
protected function e(string $arg): string
|
||
{
|
||
return \htmlspecialchars($arg, \ENT_HTML5 | \ENT_QUOTES | \ENT_SUBSTITUTE, 'UTF-8');
|
||
}
|
||
}
|