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<?php |
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namespace Germania\AuraSessionMiddleware; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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use Psr\Http\Message\ResponseInterface as Response; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use Aura\Session\SegmentInterface; |
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class AuraSessionSegmentMiddleware |
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{ |
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/** |
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* @var SegmentInterface |
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*/ |
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public $segment; |
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/** |
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* @var LoggerInterface |
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*/ |
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public $logger; |
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/** |
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* @var string |
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*/ |
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public $request_attribute_name = 'session'; |
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/** |
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* @param SegmentInterface $segment Aura.Session Segment |
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* @param LoggerInterface|null $logger Optional: PSR-3 Logger |
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*/ |
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public function __construct( SegmentInterface $segment, LoggerInterface $logger = null) |
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{ |
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$this->segment = $segment; |
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$this->logger = $logger ?: new NullLogger; |
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} |
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/** |
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* Sets the PSR7 Request attribute name for the Aura.Session Segment. |
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* Must be called before middelware invokation! |
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* |
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* @param string $request_attribute_name |
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* @return self Fluent Interface |
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*/ |
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public function setRequestAttributeName( $request_attribute_name ) |
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{ |
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$this->request_attribute_name = $request_attribute_name; |
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$this->logger->info("Set PS7 Request attribute name for Aura.Session segment", [ |
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'attribute_name' => $request_attribute_name |
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]); |
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return $this; |
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} |
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/** |
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* Returns the PSR7 Request attribute name for the Aura.Session Segment. |
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* |
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* @return string |
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*/ |
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public function getRequestAttributeName( ) |
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{ |
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return $this->request_attribute_name; |
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} |
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/** |
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* @param Psr\Http\Message\ServerRequestInterface $request PSR7 request |
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* @param Psr\Http\Message\ResponseInterface $response PSR7 response |
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* @param callable $next Next middleware |
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* |
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* @return Psr\Http\Message\ResponseInterface |
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*/ |
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public function __invoke(Request $request, Response $response, $next) |
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{ |
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// --------------------------------------- |
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// 1. Set session attribute |
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// --------------------------------------- |
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// Add attribute to Request |
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// This will be available within any follow-up middleware and routes. |
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$this->logger->info("Before Route: Inject Aura.Session segment to Request"); |
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$request_attribute_name = $this->getRequestAttributeName(); |
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$request = $request->withAttribute($request_attribute_name, $this->segment); |
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// --------------------------------------- |
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// 2. Call next middleware. |
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// --------------------------------------- |
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$response = $next($request, $response); |
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// --------------------------------------- |
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// 3. Return response |
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// --------------------------------------- |
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$this->logger->debug("After Route: noop"); |
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return $response; |
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} |
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} |
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GermaniaKG /
AuraSessionMiddleware
