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<?php |
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namespace Clarkeash\Shield; |
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use Clarkeash\Shield\Contracts\Service; |
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use Clarkeash\Shield\Exceptions\UnknownServiceException; |
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use Closure; |
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use Illuminate\Http\Request; |
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class Manager |
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{ |
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/** |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $services; |
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/** |
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* Manager constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->services = collect(); |
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$this->load(); |
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} |
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/** |
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* Registers the enabled services |
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*/ |
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protected function load() |
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{ |
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foreach (config('shield.enabled') as $name => $class) { |
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$this->register($name, $class); |
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} |
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} |
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/** |
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* @param string $service |
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* |
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* @return bool |
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*/ |
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public function has(string $service) |
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{ |
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return $this->services->has($service); |
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} |
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/** |
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* @param string $service |
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* |
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* @return \Clarkeash\Shield\Contracts\Service | null |
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*/ |
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public function get(string $service) |
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{ |
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return $this->services->get($service); |
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} |
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/** |
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* @param string $service |
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* @param \Clarkeash\Shield\Contracts\Service $instance |
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*/ |
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public function put(string $service, Service $instance) |
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{ |
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$this->services->put($service, $instance); |
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} |
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/** |
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* @param string $service |
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* @param \Illuminate\Http\Request $request |
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* |
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* @return boolean |
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*/ |
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public function passes(string $service, Request $request): bool |
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{ |
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throw_unless($this->has($service), UnknownServiceException::class, 'Service ['.$service.'] is not recognised.'); |
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if($this->checkHeaders($this->get($service)->headers(), $request)) { |
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return $this->get($service)->verify($request); |
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} |
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return false; |
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} |
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public function checkHeaders(array $headers, Request $request) |
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{ |
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foreach ($headers as $header) { |
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if(!$request->hasHeader($header)) return false; |
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} |
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return true; |
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} |
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/** |
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* @param string $service |
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* @param $instance |
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* |
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* @throws \Clarkeash\Shield\Exceptions\UnknownServiceException |
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*/ |
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public function register(string $service, $instance) |
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{ |
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if (is_string($instance) && class_exists($instance)) { |
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$instance = app($instance); |
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} |
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if ($instance instanceof Closure) { |
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$instance = $instance(); |
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} |
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if (is_object($instance) && $instance instanceof Service) { |
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return $this->put($service, $instance); |
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} |
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throw new UnknownServiceException('The service must be an instance of ' . Service::class); |
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} |
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} |
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clarkeash /
shield
