fix: Correctly return app id and app version for `core` styles and images

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

lib/private/App/AppManager.php

@@ -27,6 +27,7 @@ use OCP\INavigationManager;
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserSession;
+use OCP\ServerVersion;
 use OCP\Settings\IManager as ISettingsManager;
 use Psr\Log\LoggerInterface;
 
@@ -80,6 +81,7 @@ class AppManager implements IAppManager {
 		private ICacheFactory $memCacheFactory,
 		private IEventDispatcher $dispatcher,
 		private LoggerInterface $logger,
+		private ServerVersion $serverVersion,
 	) {
 	}
 
@@ -786,8 +788,12 @@ class AppManager implements IAppManager {
 
 	public function getAppVersion(string $appId, bool $useCache = true): string {
 		if (!$useCache || !isset($this->appVersions[$appId])) {
-			$appInfo = $this->getAppInfo($appId);
-			$this->appVersions[$appId] = ($appInfo !== null && isset($appInfo['version'])) ? $appInfo['version'] : '0';
+			if ($appId === 'core') {
+				$this->appVersions[$appId] = $this->serverVersion->getVersionString();
+			} else {
+				$appInfo = $this->getAppInfo($appId);
+				$this->appVersions[$appId] = ($appInfo !== null && isset($appInfo['version'])) ? $appInfo['version'] : '0';
+			}
 		}
 		return $this->appVersions[$appId];
 	}

lib/private/Server.php

@@ -791,6 +791,7 @@ class Server extends ServerContainer implements IServerContainer {
 				$c->get(ICacheFactory::class),
 				$c->get(IEventDispatcher::class),
 				$c->get(LoggerInterface::class),
+				$c->get(ServerVersion::class),
 			);
 		});
 		$this->registerAlias(IAppManager::class, AppManager::class);

lib/private/TemplateLayout.php

@@ -304,12 +304,7 @@ class TemplateLayout extends \OC_Template {
 		$this->assign('id-app-navigation', $renderAs === TemplateResponse::RENDER_AS_USER ? '#app-navigation' : null);
 	}
 
-	/**
-	 * @param string $path
-	 * @param string $file
-	 * @return string
-	 */
-	protected function getVersionHashSuffix($path = false, $file = false) {
+	protected function getVersionHashSuffix(string $path = '', string $file = ''): string {
 		if ($this->config->getSystemValueBool('debug', false)) {
 			// allows chrome workspace mapping in debug mode
 			return '';
@@ -322,11 +317,11 @@ class TemplateLayout extends \OC_Template {
 
 		$hash = false;
 		// Try the web-root first
-		if (is_string($path) && $path !== '') {
+		if ($path !== '') {
 			$hash = $this->getVersionHashByPath($path);
 		}
 		// If not found try the file
-		if ($hash === false && is_string($file) && $file !== '') {
+		if ($hash === false && $file !== '') {
 			$hash = $this->getVersionHashByPath($file);
 		}
 		// As a last resort we use the server version hash
@@ -376,7 +371,7 @@ class TemplateLayout extends \OC_Template {
 
 	/**
 	 * @param string $path
-	 * @return string|boolean
+	 * @return string|false
 	 */
 	public function getAppNamefromPath($path) {
 		if ($path !== '' && is_string($path)) {
@@ -384,6 +379,8 @@ class TemplateLayout extends \OC_Template {
 			if ($pathParts[0] === 'css') {
 				// This is a scss request
 				return $pathParts[1];
+			} elseif ($pathParts[0] === 'core') {
+				return 'core';
 			}
 			return end($pathParts);
 		}

tests/lib/App/AppManagerTest.php

@@ -25,6 +25,7 @@ use OCP\IGroupManager;
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserSession;
+use OCP\ServerVersion;
 use PHPUnit\Framework\MockObject\MockObject;
 use Psr\Log\LoggerInterface;
 use Test\TestCase;
@@ -100,6 +101,8 @@ class AppManagerTest extends TestCase {
 
 	protected IURLGenerator&MockObject $urlGenerator;
 
+	protected ServerVersion&MockObject $serverVersion;
+
 	/** @var IAppManager */
 	protected $manager;
 
@@ -115,6 +118,7 @@ class AppManagerTest extends TestCase {
 		$this->eventDispatcher = $this->createMock(IEventDispatcher::class);
 		$this->logger = $this->createMock(LoggerInterface::class);
 		$this->urlGenerator = $this->createMock(IURLGenerator::class);
+		$this->serverVersion = $this->createMock(ServerVersion::class);
 
 		$this->overwriteService(AppConfig::class, $this->appConfig);
 		$this->overwriteService(IURLGenerator::class, $this->urlGenerator);
@@ -136,6 +140,7 @@ class AppManagerTest extends TestCase {
 			$this->cacheFactory,
 			$this->eventDispatcher,
 			$this->logger,
+			$this->serverVersion,
 		);
 	}
 
@@ -278,6 +283,7 @@ class AppManagerTest extends TestCase {
 				$this->cacheFactory,
 				$this->eventDispatcher,
 				$this->logger,
+				$this->serverVersion,
 			])
 			->onlyMethods([
 				'getAppPath',
@@ -331,6 +337,7 @@ class AppManagerTest extends TestCase {
 				$this->cacheFactory,
 				$this->eventDispatcher,
 				$this->logger,
+				$this->serverVersion,
 			])
 			->onlyMethods([
 				'getAppPath',
@@ -392,6 +399,7 @@ class AppManagerTest extends TestCase {
 				$this->cacheFactory,
 				$this->eventDispatcher,
 				$this->logger,
+				$this->serverVersion,
 			])
 			->onlyMethods([
 				'getAppPath',
@@ -596,6 +604,7 @@ class AppManagerTest extends TestCase {
 				$this->cacheFactory,
 				$this->eventDispatcher,
 				$this->logger,
+				$this->serverVersion,
 			])
 			->onlyMethods(['getAppInfo'])
 			->getMock();
@@ -655,6 +664,7 @@ class AppManagerTest extends TestCase {
 				$this->cacheFactory,
 				$this->eventDispatcher,
 				$this->logger,
+				$this->serverVersion,
 			])
 			->onlyMethods(['getAppInfo'])
 			->getMock();
@@ -785,4 +795,97 @@ class AppManagerTest extends TestCase {
 
 		$this->assertEquals($expected, $this->manager->isBackendRequired($backend));
 	}
+
+	public function testGetAppVersion() {
+		$manager = $this->getMockBuilder(AppManager::class)
+			->setConstructorArgs([
+				$this->userSession,
+				$this->config,
+				$this->groupManager,
+				$this->cacheFactory,
+				$this->eventDispatcher,
+				$this->logger,
+				$this->serverVersion,
+			])
+			->onlyMethods([
+				'getAppInfo',
+			])
+			->getMock();
+
+		$manager->expects(self::once())
+			->method('getAppInfo')
+			->with('myapp')
+			->willReturn(['version' => '99.99.99-rc.99']);
+
+		$this->serverVersion
+			->expects(self::never())
+			->method('getVersionString');
+
+		$this->assertEquals(
+			'99.99.99-rc.99',
+			$manager->getAppVersion('myapp'),
+		);
+	}
+
+	public function testGetAppVersionCore() {
+		$manager = $this->getMockBuilder(AppManager::class)
+			->setConstructorArgs([
+				$this->userSession,
+				$this->config,
+				$this->groupManager,
+				$this->cacheFactory,
+				$this->eventDispatcher,
+				$this->logger,
+				$this->serverVersion,
+			])
+			->onlyMethods([
+				'getAppInfo',
+			])
+			->getMock();
+
+		$manager->expects(self::never())
+			->method('getAppInfo');
+
+		$this->serverVersion
+			->expects(self::once())
+			->method('getVersionString')
+			->willReturn('1.2.3-beta.4');
+
+		$this->assertEquals(
+			'1.2.3-beta.4',
+			$manager->getAppVersion('core'),
+		);
+	}
+
+	public function testGetAppVersionUnknown() {
+		$manager = $this->getMockBuilder(AppManager::class)
+			->setConstructorArgs([
+				$this->userSession,
+				$this->config,
+				$this->groupManager,
+				$this->cacheFactory,
+				$this->eventDispatcher,
+				$this->logger,
+				$this->serverVersion,
+			])
+			->onlyMethods([
+				'getAppInfo',
+			])
+			->getMock();
+
+		$manager->expects(self::once())
+			->method('getAppInfo')
+			->with('unknown')
+			->willReturn(null);
+
+		$this->serverVersion
+			->expects(self::never())
+			->method('getVersionString');
+
+		$this->assertEquals(
+			'0',
+			$manager->getAppVersion('unknown'),
+		);
+	}
+
 }