라라벨 커널 Kernel.php

1 개요

라라벨 커널

app/Http/Kernel.php

2 App\Http

<?php

namespace App\Http;

use Illuminate\Foundation\Http\Kernel as HttpKernel;

class Kernel extends HttpKernel
{
    protected $middleware = [
        \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
    ];

    protected $middlewareGroups = [
        'web' => [
            \App\Http\Middleware\EncryptCookies::class,
            \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
            \Illuminate\Session\Middleware\StartSession::class,
            \Illuminate\View\Middleware\ShareErrorsFromSession::class,
            \App\Http\Middleware\VerifyCsrfToken::class,
        ],

        'api' => [
            'throttle:60,1',
        ],
    ];
    protected $routeMiddleware = [
        'auth' => \App\Http\Middleware\Authenticate::class,
        'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
        'can' => \Illuminate\Foundation\Http\Middleware\Authorize::class,
        'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
        'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
    ];
}

3 Illuminate\Foundation\Http

<?php

namespace Illuminate\Foundation\Http;

use Exception;
use Throwable;
use Illuminate\Routing\Router;
use Illuminate\Routing\Pipeline;
use Illuminate\Support\Facades\Facade;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Contracts\Debug\ExceptionHandler;
use Illuminate\Contracts\Http\Kernel as KernelContract;
use Symfony\Component\Debug\Exception\FatalThrowableError;

class Kernel implements KernelContract
{
    protected $app;
    protected $router;
    protected $bootstrappers = [
        'Illuminate\Foundation\Bootstrap\DetectEnvironment',
        'Illuminate\Foundation\Bootstrap\LoadConfiguration',
        'Illuminate\Foundation\Bootstrap\ConfigureLogging',
        'Illuminate\Foundation\Bootstrap\HandleExceptions',
        'Illuminate\Foundation\Bootstrap\RegisterFacades',
        'Illuminate\Foundation\Bootstrap\RegisterProviders',
        'Illuminate\Foundation\Bootstrap\BootProviders',
    ];
    protected $middleware = [];
    protected $middlewareGroups = [];
    protected $routeMiddleware = [];

    public function __construct(Application $app, Router $router)
    {
        $this->app = $app;
        $this->router = $router;

        foreach ($this->middlewareGroups as $key => $middleware) {
            $router->middlewareGroup($key, $middleware);
        }

        foreach ($this->routeMiddleware as $key => $middleware) {
            $router->middleware($key, $middleware);
        }
    }

    public function handle($request)
    {
        try {
            $request->enableHttpMethodParameterOverride();

            $response = $this->sendRequestThroughRouter($request);
        } catch (Exception $e) {
            $this->reportException($e);

            $response = $this->renderException($request, $e);
        } catch (Throwable $e) {
            $this->reportException($e = new FatalThrowableError($e));

            $response = $this->renderException($request, $e);
        }

        $this->app['events']->fire('kernel.handled', [$request, $response]);

        return $response;
    }

    protected function sendRequestThroughRouter($request)
    {
        $this->app->instance('request', $request);

        Facade::clearResolvedInstance('request');

        $this->bootstrap();

        return (new Pipeline($this->app))
                    ->send($request)
                    ->through($this->app->shouldSkipMiddleware() ? [] : $this->middleware)
                    ->then($this->dispatchToRouter());
    }

    public function terminate($request, $response)
    {
        $middlewares = $this->app->shouldSkipMiddleware() ? [] : array_merge(
            $this->gatherRouteMiddlewares($request),
            $this->middleware
        );

        foreach ($middlewares as $middleware) {
            list($name, $parameters) = $this->parseMiddleware($middleware);

            $instance = $this->app->make($name);

            if (method_exists($instance, 'terminate')) {
                $instance->terminate($request, $response);
            }
        }

        $this->app->terminate();
    }

    protected function gatherRouteMiddlewares($request)
    {
        if ($route = $request->route()) {
            return $this->router->gatherRouteMiddlewares($route);
        }

        return [];
    }

    protected function parseMiddleware($middleware)
    {
        list($name, $parameters) = array_pad(explode(':', $middleware, 2), 2, []);

        if (is_string($parameters)) {
            $parameters = explode(',', $parameters);
        }

        return [$name, $parameters];
    }

    public function prependMiddleware($middleware)
    {
        if (array_search($middleware, $this->middleware) === false) {
            array_unshift($this->middleware, $middleware);
        }

        return $this;
    }

    public function pushMiddleware($middleware)
    {
        if (array_search($middleware, $this->middleware) === false) {
            $this->middleware[] = $middleware;
        }

        return $this;
    }

    public function bootstrap()
    {
        if (! $this->app->hasBeenBootstrapped()) {
            $this->app->bootstrapWith($this->bootstrappers());
        }
    }

    protected function dispatchToRouter()
    {
        return function ($request) {
            $this->app->instance('request', $request);

            return $this->router->dispatch($request);
        };
    }

    public function hasMiddleware($middleware)
    {
        return in_array($middleware, $this->middleware);
    }

    protected function bootstrappers()
    {
        return $this->bootstrappers;
    }

    protected function reportException(Exception $e)
    {
        $this->app[ExceptionHandler::class]->report($e);
    }

    protected function renderException($request, Exception $e)
    {
        return $this->app[ExceptionHandler::class]->render($request, $e);
    }

    public function getApplication()
    {
        return $this->app;
    }
}

4 Illuminate\Contracts\Http

<?php

namespace Illuminate\Contracts\Http;

interface Kernel
{
    public function bootstrap();
    public function handle($request);
    public function terminate($request, $response);
    public function getApplication();
}

5 같이 보기

• 라라벨 미들웨어 Authenticate
• 라라벨 미들웨어
• 라라벨
• 커널
• 라라벨 Failed to load resource: the server responded with a status of 429 (Too Many Requests)

6 참고

• https://github.com/laravel/laravel/blob/master/app/Http/Kernel.php