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<?php |
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namespace Graze\Silex\ControllerProvider; |
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use Pimple\Container; |
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use Pimple\ServiceProviderInterface; |
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use Silex\Application; |
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use Silex\Api\ControllerProviderInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\Routing\Matcher\UrlMatcher; |
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/** |
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* A controller provider to convert requests missing a trailing slash into an |
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* internal sub-request with a slash appended to the requests url. |
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* |
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* NOTE: You _should_ define all other routes with a trailing slash. |
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* |
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* Usage: |
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* |
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* ``` |
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* $provider = new \Graze\Silex\ControllerProvider\TrailingSlashControllerProvider(); |
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* $app->register($provider); |
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* $app->mount('/', $provider); |
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* ``` |
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*/ |
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final class TrailingSlashControllerProvider implements ControllerProviderInterface, ServiceProviderInterface |
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{ |
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/** |
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* @param Application $app |
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* |
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* @return \Silex\ControllerCollection |
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*/ |
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public function connect(Application $app) |
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{ |
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$controllers = $app['controllers_factory']; |
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$handler = function ($resource) use ($app) { |
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if ($app['logger']) { |
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$app['logger']->debug(sprintf('Appending a trailing slash for the request to `/%s`.', $resource)); |
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} |
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$currentRequest = $app['request_stack']->getCurrentRequest(); |
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$request = Request::create( |
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'/' . $resource . '/', |
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$currentRequest->getMethod(), |
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[], |
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$currentRequest->cookies->all(), |
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$currentRequest->files->all(), |
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$currentRequest->server->all(), |
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$currentRequest->getContent() |
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); |
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$request = $request->duplicate( |
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$currentRequest->query->all(), |
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$currentRequest->request->all() |
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); |
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$request->headers->replace($currentRequest->headers->all()); |
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// Make an internal sub-request based off the request that would have 404'd. |
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// http://silex.sensiolabs.org/doc/usage.html#forwards |
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return $app->handle($request, HttpKernelInterface::SUB_REQUEST); |
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}; |
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/** |
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* Register the catch-all route. |
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* |
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* Use a look behind assertion to ensure we only match routes |
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* with no trailing slash. |
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* |
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* @link https://stackoverflow.com/questions/16398471/regex-not-ending-with |
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*/ |
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$controllers->match('/{resource}', $handler) |
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->assert('resource', '.*(?<!\/)$') |
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->bind('no_trailing_slash_handler'); |
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return $controllers; |
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} |
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/** |
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* @param Container $app |
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*/ |
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public function register(Container $app) |
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{ |
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/** |
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* We override the default RedirectableUrlMatcher so that Silex doesn't |
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* respond with 301 to GET requests missing a trailing slash. |
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*/ |
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$app['request_matcher'] = function (Container $app) { |
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if ($app['logger']) { |
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$app['logger']->debug(sprintf('Overriding the default Silex url matcher to %s.', UrlMatcher::class)); |
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} |
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return new UrlMatcher($app['routes'], $app['request_context']); |
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}; |
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} |
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} |
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graze /
silex-trailing-slash-handler
