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<?php |
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namespace Sunnysideup\SimpleTemplateCaching\Extensions; |
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use SilverStripe\CMS\Controllers\ContentController; |
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use SilverStripe\Control\Middleware\HTTPCacheControlMiddleware; |
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use SilverStripe\Core\Extension; |
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use SilverStripe\Security\Security; |
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use SilverStripe\SiteConfig\SiteConfig; |
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use SilverStripe\Versioned\Versioned; |
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/** |
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* Class \ControllerExtension. |
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* |
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* @property ControllerExtension $owner |
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*/ |
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class ControllerExtension extends Extension |
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{ |
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public function onBeforeInit() |
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{ |
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if(Security::getCurrentUser()) { |
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return; |
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} |
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if (Versioned::LIVE !== Versioned::get_stage()) { |
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return; |
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} |
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/** PageController|ControllerExtension $owner */ |
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$owner = $this->getOwner(); |
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if ($owner instanceof ContentController) { |
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$extend = $owner->extend('updateCacheControl'); |
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if($extend) { |
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return; |
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} |
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$sc = SiteConfig::current_site_config(); |
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if(! $sc->HasCaching) { |
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return; |
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} |
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$request = $owner->getRequest(); |
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if($request->param('Action')) { |
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return; |
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} |
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if($request->param('ID')) { |
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return; |
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} |
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if($request->isAjax()) { |
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return; |
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} |
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if($request->getVar('flush')) { |
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return; |
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} |
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if($request->requestVars()) { |
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return; |
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} |
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$dataRecord = $owner->data(); |
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if (empty($dataRecord)) { |
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return; |
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} |
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if($dataRecord->NeverCachePublicly) { |
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HTTPCacheControlMiddleware::singleton() |
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->disableCache() |
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; |
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return; |
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} |
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$cacheTime = (int) ($dataRecord->PublicCacheDurationInSeconds ?: $sc->PublicCacheDurationInSeconds); |
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if($cacheTime > 0) { |
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return HTTPCacheControlMiddleware::singleton() |
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->enableCache() |
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->setMaxAge($cacheTime) |
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->publicCache(true) |
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; |
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} |
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} |
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} |
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} |
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