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<?php |
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namespace Spatie\Authorize\Middleware; |
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use Closure; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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class Authorize |
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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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* @param string|null $ability |
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* @param string|null $boundModelName |
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* |
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* @throws \Symfony\Component\HttpKernel\Exception\HttpException |
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* |
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* @return mixed |
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*/ |
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public function handle($request, Closure $next, $ability = null, $boundModelName = null) |
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{ |
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$model = $this->getModelFromRequest($request, $boundModelName); |
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if (!$this->hasRequiredAbility($request->user(), $ability, $model)) { |
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return $this->handleUnauthorizedRequest($request, $ability, $model); |
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} |
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return $next($request); |
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} |
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/** |
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* Get the model from the request using given boundModelName. |
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* |
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* @param mixed $request |
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* @param string $boundModelName |
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* |
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* @return \Illuminate\Database\Eloquent\Model|null |
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*/ |
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protected function getModelFromRequest($request, $boundModelName) |
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{ |
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if (is_null($boundModelName)) { |
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return; |
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} |
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return $request->route($boundModelName); |
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} |
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/** |
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* Determine if the currently logged in use has the given ability. |
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* |
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* @param $user |
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* @param string|null $ability |
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* @param \Illuminate\Database\Eloquent\Model|null $model |
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* |
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* @return bool |
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*/ |
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protected function hasRequiredAbility($user, $ability = null, $model = null) |
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{ |
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if (!$user) { |
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return false; |
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} |
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if (is_null($ability)) { |
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return true; |
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} |
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/* |
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* Some gates may check on number of arguments given. If model |
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* is null, don't pass it as an argument. |
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*/ |
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if (is_null($model)) { |
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return $user->can($ability); |
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} |
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return $user->can($ability, $model); |
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} |
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/** |
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* Handle the unauthorized request. |
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* |
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* @param $request |
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* @param string|null $ability |
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* @param \Illuminate\Database\Eloquent\Model|null $model |
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* |
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* @throws \Symfony\Component\HttpKernel\Exception\HttpException |
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* |
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* @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\RedirectResponse|Response |
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*/ |
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protected function handleUnauthorizedRequest($request, $ability = null, $model = null) |
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{ |
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if ($request->ajax()) { |
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return response('Forbidden.', Response::HTTP_FORBIDDEN); |
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} |
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if (!$request->user()) { |
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return redirect()->guest(config('laravel-authorize.login_url')); |
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} |
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throw new HttpException(Response::HTTP_UNAUTHORIZED, 'This action is unauthorized.'); |
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} |
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} |
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spatie /
laravel-authorize
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.