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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @copyright BerlinOnline Stadtportal GmbH & Co. KG |
| 5 | **/ |
| 6 | |
| 7 | namespace BO\Slim\Middleware; |
| 8 | |
| 9 | use Fig\Http\Message\StatusCodeInterface; |
| 10 | use Psr\Http\Message\ServerRequestInterface as Request; |
| 11 | use Psr\Http\Server\RequestHandlerInterface; |
| 12 | |
| 13 | class TrailingSlash |
| 14 | { |
| 15 | public function __invoke(Request $request, RequestHandlerInterface $next) |
| 16 | { |
| 17 | $uri = $request->getUri(); |
| 18 | $path = $uri->getPath(); |
| 19 | |
| 20 | $needsTrailingSlash = substr($path, -1) !== '/' && !pathinfo($path, PATHINFO_EXTENSION); |
| 21 | if (!$needsTrailingSlash) { |
| 22 | return $next->handle($request); |
| 23 | } |
| 24 | |
| 25 | // API paths: rewrite in-place so slashless URLs match routes defined with a trailing slash. |
| 26 | // Do not 301 — redirects break POST and are awkward for API clients. |
| 27 | if (strpos($path, '/api/') !== false) { |
| 28 | return $next->handle($request->withUri($uri->withPath($path . '/'))); |
| 29 | } |
| 30 | |
| 31 | // Non-API (HTML apps): permanently redirect to the trailing-slash URL. |
| 32 | $uri = $uri->withPath($path . '/'); |
| 33 | if ($request->hasHeader('X-Ssl') && 'no' !== $request->getHeaderLine('X-Ssl')) { |
| 34 | $uri = $uri->withScheme('https'); |
| 35 | $uriString = (string)$uri; |
| 36 | } else { |
| 37 | $uriString = preg_replace('#^https?:#', '', (string)$uri); //Do not force protocol |
| 38 | } |
| 39 | |
| 40 | $redirects = \App::$slim->redirect( |
| 41 | (string) $request->getUri(), |
| 42 | $uriString, |
| 43 | StatusCodeInterface::STATUS_MOVED_PERMANENTLY |
| 44 | )->getCallable(); |
| 45 | |
| 46 | return $redirects(); |
| 47 | } |
| 48 | } |