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<?php |
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/* |
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* This file is part of the Tinyissue package. |
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* |
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* (c) Mohamed Alsharaf <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Tinyissue\Http\Middleware; |
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use Closure; |
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use Illuminate\Contracts\Auth\Guard; |
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use Illuminate\Contracts\Foundation\Application; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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/** |
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* @author Mohamed Alsharaf <[email protected]> |
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*/ |
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class CheckForMaintenanceMode |
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{ |
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/** |
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* The Guard implementation. |
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* |
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* @var Guard |
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*/ |
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protected $auth; |
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/** |
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* The application implementation. |
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* |
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* @var \Illuminate\Contracts\Foundation\Application |
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*/ |
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protected $app; |
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/** |
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* Create a new filter instance. |
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* |
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* @param Guard $auth |
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* @param \Illuminate\Contracts\Foundation\Application $app |
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*/ |
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public function __construct(Guard $auth, Application $app) |
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{ |
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$this->auth = $auth; |
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$this->app = $app; |
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} |
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/** |
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* Handle an incoming request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param \Closure $next |
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* |
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* @return mixed |
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* |
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* @throws \Symfony\Component\HttpKernel\Exception\HttpException |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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$siteDown = $this->app->isDownForMaintenance(); |
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$isLogin = $request->is('/', 'logout', 'signin'); |
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// Allow admin & login page to always view the site event in maintenance mode |
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if ($siteDown && !$isLogin && ($this->auth->guest() || !$this->auth->user()->isAdmin())) { |
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throw new HttpException(503); |
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} |
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// Show message to administrator |
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if ($siteDown) { |
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$this->app['session']->flash('notice-error', trans('tinyissue.site_maintenance_message')); |
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} |
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return $next($request); |
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} |
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} |
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Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: