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<?php |
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namespace SilverStripe\ControllerPolicy\Policies; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\ControllerPolicy\ControllerPolicy; |
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/** |
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* This policy can be used to write or delete arbitrary headers. Set the header to empty string ("") |
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* to suppress that header. |
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* |
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* Configuration: |
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* |
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* SilverStripe\Core\Injector\Injector: |
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* GeneralPolicy: |
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* class: YourVendor\YourModule\CustomHeaderPolicy |
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* properties: |
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* headers: |
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* Cache-Control: "public, max-age=600, no-transform" |
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* Custom-Header: "Hello" |
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* Vary: "" |
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* HomePageController: |
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* dependencies: |
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* Policies: |
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* - '%$GeneralPolicy' |
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* extensions: |
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* - SilverStripe\ControllerPolicy\ControllerPolicyApplicator |
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*/ |
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class CustomHeaderPolicy implements ControllerPolicy |
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{ |
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/** |
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* @var array |
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*/ |
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protected $headers = []; |
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/** |
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* Set the full array of headers to apply to the response |
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* |
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* @param array $headers |
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* @return $this |
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*/ |
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public function setHeaders(array $headers) |
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{ |
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$this->headers = $headers; |
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return $this; |
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} |
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/** |
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* Get the list of headers to apply to the response |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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/** |
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* Add a specific header |
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* |
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* @param string $key |
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* @param string|int $value |
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* @return $this |
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*/ |
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public function addHeader($key, $value) |
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{ |
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$this->headers[$key] = $value; |
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return $this; |
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} |
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/** |
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* @param object $originator |
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* @param HTTPRequest $request |
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* @param HTTPResponse $response |
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*/ |
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public function applyToResponse($originator, HTTPRequest $request, HTTPResponse $response) |
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{ |
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foreach ($this->getHeaders() as $key => $value) { |
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if ($value !== "") { |
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$response->addHeader($key, $value); |
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} else { |
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$response->removeHeader($key); |
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} |
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} |
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} |
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} |
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silverstripe /
silverstripe-controllerpolicy
