Add extendedSupport to Subscription

Signed-off-by: Julius Härtl <jus@bitgrid.net>

core/Controller/OCSController.php

 			'micro' => $micro,
 			'string' => \OC_Util::getVersionString(),
 			'edition' => '',
+			'extendedSupport' => \OCP\Util::hasExtendedSupport()
 		);
 
 		if($this->userSession->isLoggedIn()) {

lib/private/Support/Subscription/Registry.php

 		}
 		return false;
 	}
+
+	/**
+	 * Indicates if the subscription has extended support
+	 *
+	 * @since 17.0.0
+	 */
+	public function delegateHasExtendedSupport(): bool {
+		if ($this->subscription instanceof ISubscription && method_exists($this->subscription, 'hasExtendedSupport')) {
+			return $this->subscription->hasExtendedSupport();
+		}
+		return false;
+	}
 }

lib/public/Support/Subscription/IRegistry.php

 	 * @since 17.0.0
 	 */
 	public function delegateHasValidSubscription(): bool;
+
+	/**
+	 * Indicates if the subscription has extended support
+	 *
+	 * @since 17.0.0
+	 */
+	public function delegateHasExtendedSupport(): bool;
 }

lib/public/Support/Subscription/ISubscription.php

 	 * @since 17.0.0
 	 */
 	public function hasValidSubscription(): bool;
+
+	/**
+	 * Indicates if the subscription has extended support
+	 *
+	 * @since 17.0.0
+	 */
+	public function hasExtendedSupport(): bool;
 }

lib/public/Util.php

 	public static function getVersion() {
 		return \OC_Util::getVersion();
 	}
-	
+
+	/**
+	 * @since 17.0.0
+	 */
+	public static function hasExtendedSupport(): bool {
+		try {
+			/** @var \OCP\Support\Subscription\IRegistry */
+			$subscriptionRegistry = \OC::$server->query(\OCP\Support\Subscription\IRegistry::class);
+			return $subscriptionRegistry->delegateHasExtendedSupport();
+		} catch (AppFramework\QueryException $e) {}
+		return \OC::$server->getConfig()->getSystemValueBool('extendedSupport', false);
+	}
+
 	/**
 	 * Set current update channel
 	 * @param string $channel
 	public static function setChannel($channel) {
 		\OC::$server->getConfig()->setSystemValue('updater.release.channel', $channel);
 	}
-	
+
 	/**
 	 * Get current update channel
 	 * @return string
 	public static function needUpgrade() {
 		if (!isset(self::$needUpgradeCache)) {
 			self::$needUpgradeCache=\OC_Util::needUpgrade(\OC::$server->getSystemConfig());
-		}		
+		}
 		return self::$needUpgradeCache;
 	}
 

status.php

 	# see core/lib/private/legacy/defaults.php and core/themes/example/defaults.php
 	# for description and defaults
 	$defaults = new \OCP\Defaults();
-	$values=array(
+	$values = [
 		'installed'=>$installed,
 		'maintenance' => $maintenance,
 		'needsDbUpgrade' => \OCP\Util::needUpgrade(),
 		'version'=>implode('.', \OCP\Util::getVersion()),
 		'versionstring'=>OC_Util::getVersionString(),
 		'edition'=> '',
-		'productname'=>$defaults->getName());
+		'productname'=>$defaults->getName(),
+		'extendedSupport' => \OCP\Util::hasExtendedSupport()
+	];
 	if (OC::$CLI) {
 		print_r($values);
 	} else {