PHP code example of yiisoft / yii-middleware

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

yiisoft / yii-middleware example snippets

use Yiisoft\Yii\Middleware\ForceSecureConnection;

/**
 * @var Psr\Http\Message\ResponseFactoryInterface $responseFactory
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 */

$middleware = new ForceSecureConnection($responseFactory);

// Enables redirection from HTTP to HTTPS:
$middleware = $middleware->withRedirection(301);
// Disables redirection from HTTP to HTTPS:
$middleware = $middleware->withoutRedirection();

$response = $middleware->process($request, $handler);

$middleware = $middleware->withCSP('upgrade-insecure-requests; default-src https:');
// Or without the `Content-Security-Policy` header in response:
$middleware = $middleware->withoutCSP();

$maxAge = 3600; // Default is 31_536_000 (12 months).
$subDomains = false; // Whether to add the `ecurity` header in response:
$middleware = $middleware->withoutHSTS();

use Yiisoft\Yii\Middleware\HttpCache;

/**
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 */

$middleware = new HttpCache();

// Specify callable that generates the last modified:
$middleware = $middleware->withLastModified(function (ServerRequestInterface $request, mixed $params): int {
    $defaultLastModified = 3600;
    // Some actions.
    return $defaultLastModified;
});
// Specify callable that generates the ETag seed string:
$middleware = $middleware->withEtagSeed(function (ServerRequestInterface $request, mixed $params): string {
    $defaultEtagSeed = '33a64df551425fcc55e4d42a148795d9f25f89d4';
    // Some actions.
    return $defaultEtagSeed;
});

$response = $middleware->process($request, $handler);

// Extra parameters for ETag seed string generation:
$middleware = $middleware->withParams(['parameter' => 'value']);

// The value of the `Cache-Control` HTTP header:
$middleware = $middleware->withCacheControlHeader('public, max-age=31536000');
// Default is `public, max-age=3600`. If null, the header won't be sent.

// Enable weak ETags generation (disabled by default):
$middleware = $middleware->withWeakTag();
// You should use weak ETags if the content is semantically equal, but not byte-equal.

use Yiisoft\Yii\Middleware\IpFilter;

/**
 * @var Psr\Http\Message\ResponseFactoryInterface $responseFactory
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 * @var Yiisoft\Validator\Rule\ValidatorInterface $validator
 */

// Name of the request attribute holding client IP:
$clientIpAttribute = 'client-ip';
// If there is no such attribute, or it has no value, then the middleware will respond with 403 forbidden.
// If the name of the request attribute is `null`, then `REMOTE_ADDR` server parameter is used to determine client IP.

$middleware = new IpFilter($validator, $responseFactory, $clientIpAttribute);

// Change client IP validator:
$middleware = $middleware->withValidator($validator);

$response = $middleware->process($request, $handler);

use Yiisoft\Yii\Middleware\Redirect;

/**
 * @var Psr\Http\Message\ResponseFactoryInterface $responseFactory
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 * @var Yiisoft\Router\UrlGeneratorInterface $urlGenerator
 */

$middleware = new Redirect($ipValidator, $urlGenerator);

// Specify URL for redirection:
$middleware = $middleware->toUrl('/login');
// Or specify route data for redirection:
$middleware = $middleware->toRoute('auth/login', ['parameter' => 'value']);
// If you have set a redirect URL with "toUrl()" method, the middleware ignores the route data, since the URL is a
// priority.

$response = $middleware->process($request, $handler);

// For permanent redirection (301):
$middleware = $middleware->permanent();

// For temporary redirection (302):
$middleware = $middleware->permanent();

// Or specify the status code yourself:
$middleware = $middleware->withStatus(303);

use Yiisoft\Yii\Middleware\Subfolder;

/**
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 * @var Yiisoft\Aliases\Aliases $aliases
 * @var Yiisoft\Router\UrlGeneratorInterface $urlGenerator
 */
 
// URI prefix the specified immediately after the domain part (default is `null`):
$prefix = '/blog';
// The prefix value usually begins with a slash and must not end with a slash.

$middleware = new Subfolder($urlGenerator, $aliases, $prefix);

$response = $middleware->process($request, $handler);

use Yiisoft\Yii\Middleware\TagRequest;

/**
 * @var Psr\Http\Message\ServerRequestInterface $request
 * @var Psr\Http\Server\RequestHandlerInterface $handler
 */

$middleware = new TagRequest();
// In the process, a request attribute with the name `requestTag`
// and the generated value by the function `uniqid()` will be added.
$response = $middleware->process($request, $handler);

use Yiisoft\Yii\Middleware\Locale;

// Available locales.
$locales = ['en' => 'en-US', 'ru' => 'ru-RU', 'uz' => 'uz-UZ']
/**
 * Specify supported locales.
 * 
 * @var Locale $middleware
 */
$middleware = $middleware->withSupportedLocales($locales);

// Ignore requests which URLs that match "/api**" wildcard pattern.
$middleware = $middleware->withIgnoredRequestUrlPatterns(['/api**']);

$response = $middleware->process($request);

use Yiisoft\Yii\Middleware\Locale;

/** @var Locale $middleware */
$middleware = $middleware
    ->withCookieDuration(new DateInterval('P30D')) // Key parameter for activating saving to cookies.
    // Extra customization.
    ->withCookieName('_custom_name')
    ->withSecureCookie(true)

declare(strict_types=1);

namespace App\EventHandler;

use Yiisoft\Translator\TranslatorInterface;
use Yiisoft\Yii\Middleware\Event\SetLocaleEvent;

final class SetLocaleEventHandler
{
    public function __construct(
        private TranslatorInterface $translator
    ) {
    }

    public function handle(SetLocaleEvent $event): void
    {
        $this->translator->setLocale($event->getLocale());
    }
}