Subversion-Projekte lars-tiefland.laravel_shop

<?php

namespace Illuminate\Foundation\Bootstrap;

use ErrorException;

use Exception;

use Illuminate\Contracts\Debug\ExceptionHandler;

use Illuminate\Contracts\Foundation\Application;

use Illuminate\Log\LogManager;

use Monolog\Handler\NullHandler;

use Symfony\Component\Console\Output\ConsoleOutput;

use Symfony\Component\ErrorHandler\Error\FatalError;

use Throwable;

class HandleExceptions

{

    /**

     * Reserved memory so that errors can be displayed properly on memory exhaustion.

     *

     * @var string|null

     */

    public static $reservedMemory;

    /**

     * The application instance.

     *

     * @var \Illuminate\Contracts\Foundation\Application

     */

    protected static $app;

    /**

     * Bootstrap the given application.

     *

     * @param  \Illuminate\Contracts\Foundation\Application  $app

     * @return void

     */

    public function bootstrap(Application $app)

    {

        self::$reservedMemory = str_repeat('x', 32768);

        static::$app = $app;

        error_reporting(-1);

        set_error_handler($this->forwardsTo('handleError'));

        set_exception_handler($this->forwardsTo('handleException'));

        register_shutdown_function($this->forwardsTo('handleShutdown'));

        if (! $app->environment('testing')) {

            ini_set('display_errors', 'Off');

        }

    }

    /**

     * Report PHP deprecations, or convert PHP errors to ErrorException instances.

     *

     * @param  int  $level

     * @param  string  $message

     * @param  string  $file

     * @param  int  $line

     * @param  array  $context

     * @return void

     *

     * @throws \ErrorException

     */

    public function handleError($level, $message, $file = '', $line = 0, $context = [])

    {

        if ($this->isDeprecation($level)) {

            $this->handleDeprecationError($message, $file, $line, $level);

        } elseif (error_reporting() & $level) {

            throw new ErrorException($message, 0, $level, $file, $line);

        }

    }

    /**

     * Reports a deprecation to the "deprecations" logger.

     *

     * @param  string  $message

     * @param  string  $file

     * @param  int  $line

     * @return void

     *

     * @deprecated Use handleDeprecationError instead.

     */

    public function handleDeprecation($message, $file, $line)

    {

        $this->handleDeprecationError($message, $file, $line);

    }

    /**

     * Reports a deprecation to the "deprecations" logger.

     *

     * @param  string  $message

     * @param  string  $file

     * @param  int  $line

     * @param  int  $level

     * @return void

     */

    public function handleDeprecationError($message, $file, $line, $level = E_DEPRECATED)

    {

        if ($this->shouldIgnoreDeprecationErrors()) {

            return;

        }

        try {

            $logger = static::$app->make(LogManager::class);

        } catch (Exception $e) {

            return;

        }

        $this->ensureDeprecationLoggerIsConfigured();

        $options = static::$app['config']->get('logging.deprecations') ?? [];

        with($logger->channel('deprecations'), function ($log) use ($message, $file, $line, $level, $options) {

            if ($options['trace'] ?? false) {

                $log->warning((string) new ErrorException($message, 0, $level, $file, $line));

            } else {

                $log->warning(sprintf('%s in %s on line %s',

                    $message, $file, $line

                ));

            }

        });

    }

    /**

     * Determine if deprecation errors should be ignored.

     *

     * @return bool

     */

    protected function shouldIgnoreDeprecationErrors()

    {

        return ! class_exists(LogManager::class)

            || ! static::$app->hasBeenBootstrapped()

            || static::$app->runningUnitTests();

    }

    /**

     * Ensure the "deprecations" logger is configured.

     *

     * @return void

     */

    protected function ensureDeprecationLoggerIsConfigured()

    {

        with(static::$app['config'], function ($config) {

            if ($config->get('logging.channels.deprecations')) {

                return;

            }

            $this->ensureNullLogDriverIsConfigured();

            if (is_array($options = $config->get('logging.deprecations'))) {

                $driver = $options['channel'] ?? 'null';

            } else {

                $driver = $options ?? 'null';

            }

            $config->set('logging.channels.deprecations', $config->get("logging.channels.{$driver}"));

        });

    }

    /**

     * Ensure the "null" log driver is configured.

     *

     * @return void

     */

    protected function ensureNullLogDriverIsConfigured()

    {

        with(static::$app['config'], function ($config) {

            if ($config->get('logging.channels.null')) {

                return;

            }

            $config->set('logging.channels.null', [

                'driver' => 'monolog',

                'handler' => NullHandler::class,

            ]);

        });

    }

    /**

     * Handle an uncaught exception from the application.

     *

     * Note: Most exceptions can be handled via the try / catch block in

     * the HTTP and Console kernels. But, fatal error exceptions must

     * be handled differently since they are not normal exceptions.

     *

     * @param  \Throwable  $e

     * @return void

     */

    public function handleException(Throwable $e)

    {

        self::$reservedMemory = null;

        try {

            $this->getExceptionHandler()->report($e);

        } catch (Exception $e) {

            $exceptionHandlerFailed = true;

        }

        if (static::$app->runningInConsole()) {

            $this->renderForConsole($e);

            if ($exceptionHandlerFailed ?? false) {

                exit(1);

            }

        } else {

            $this->renderHttpResponse($e);

        }

    }

    /**

     * Render an exception to the console.

     *

     * @param  \Throwable  $e

     * @return void

     */

    protected function renderForConsole(Throwable $e)

    {

        $this->getExceptionHandler()->renderForConsole(new ConsoleOutput, $e);

    }

    /**

     * Render an exception as an HTTP response and send it.

     *

     * @param  \Throwable  $e

     * @return void

     */

    protected function renderHttpResponse(Throwable $e)

    {

        $this->getExceptionHandler()->render(static::$app['request'], $e)->send();

    }

    /**

     * Handle the PHP shutdown event.

     *

     * @return void

     */

    public function handleShutdown()

    {

        self::$reservedMemory = null;

        if (! is_null($error = error_get_last()) && $this->isFatal($error['type'])) {

            $this->handleException($this->fatalErrorFromPhpError($error, 0));

        }

    }

    /**

     * Create a new fatal error instance from an error array.

     *

     * @param  array  $error

     * @param  int|null  $traceOffset

     * @return \Symfony\Component\ErrorHandler\Error\FatalError

     */

    protected function fatalErrorFromPhpError(array $error, $traceOffset = null)

    {

        return new FatalError($error['message'], 0, $error, $traceOffset);

    }

    /**

     * Forward a method call to the given method if an application instance exists.

     *

     * @return callable

     */

    protected function forwardsTo($method)

    {

        return fn (...$arguments) => static::$app

            ? $this->{$method}(...$arguments)

            : false;

    }

    /**

     * Determine if the error level is a deprecation.

     *

     * @param  int  $level

     * @return bool

     */

    protected function isDeprecation($level)

    {

        return in_array($level, [E_DEPRECATED, E_USER_DEPRECATED]);

    }

    /**

     * Determine if the error type is fatal.

     *

     * @param  int  $type

     * @return bool

     */

    protected function isFatal($type)

    {

        return in_array($type, [E_COMPILE_ERROR, E_CORE_ERROR, E_ERROR, E_PARSE]);

    }

    /**

     * Get an instance of the exception handler.

     *

     * @return \Illuminate\Contracts\Debug\ExceptionHandler

     */

    protected function getExceptionHandler()

    {

        return static::$app->make(ExceptionHandler::class);

    }

    /**

     * Clear the local application instance from memory.

     *

     * @return void

     */

    public static function forgetApp()

    {

        static::$app = null;

    }

}