fix: Deprecate OC_Template, add proper template manager instead

apps/dav/lib/Files/BrowserErrorPagePlugin.php

@@ -8,9 +8,10 @@
 namespace OCA\DAV\Files;
 
 use OC\AppFramework\Http\Request;
-use OC_Template;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
+use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IRequest;
+use OCP\Template\ITemplateManager;
 use Sabre\DAV\Exception;
 use Sabre\DAV\Server;
 use Sabre\DAV\ServerPlugin;
@@ -84,7 +85,7 @@ public function generateBody(int $httpCode) {
 			$templateName = (string)$httpCode;
 		}
 
-		$content = new OC_Template('core', $templateName, 'guest');
+		$content = \OCP\Server::get(ITemplateManager::class)->getTemplate('core', $templateName, TemplateResponse::RENDER_AS_GUEST);
 		$content->assign('title', $this->server->httpResponse->getStatusText());
 		$content->assign('remoteAddr', $request->getRemoteAddress());
 		$content->assign('requestID', $request->getId());

apps/twofactor_backupcodes/lib/Provider/BackupCodesProvider.php

@@ -17,7 +17,8 @@
 use OCP\IInitialStateService;
 use OCP\IL10N;
 use OCP\IUser;
-use OCP\Template;
+use OCP\Template\ITemplate;
+use OCP\Template\ITemplateManager;
 
 class BackupCodesProvider implements IDeactivatableByAdmin, IProvidesPersonalSettings {
 
@@ -36,6 +37,7 @@ public function __construct(
 		private IL10N $l10n,
 		AppManager $appManager,
 		private IInitialStateService $initialStateService,
+		private ITemplateManager $templateManager,
 	) {
 		$this->appManager = $appManager;
 	}
@@ -71,10 +73,10 @@ public function getDescription(): string {
 	 * Get the template for rending the 2FA provider view
 	 *
 	 * @param IUser $user
-	 * @return Template
+	 * @return ITemplate
 	 */
-	public function getTemplate(IUser $user): Template {
-		return new Template('twofactor_backupcodes', 'challenge');
+	public function getTemplate(IUser $user): ITemplate {
+		return $this->templateManager->getTemplate('twofactor_backupcodes', 'challenge');
 	}
 
 	/**

apps/twofactor_backupcodes/lib/Settings/Personal.php

@@ -6,13 +6,16 @@
  * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
 namespace OCA\TwoFactorBackupCodes\Settings;
 
 use OCP\Authentication\TwoFactorAuth\IPersonalProviderSettings;
-use OCP\Template;
+use OCP\Server;
+use OCP\Template\ITemplate;
+use OCP\Template\ITemplateManager;
 
 class Personal implements IPersonalProviderSettings {
-	public function getBody(): Template {
-		return new Template('twofactor_backupcodes', 'personal');
+	public function getBody(): ITemplate {
+		return Server::get(ITemplateManager::class)->getTemplate('twofactor_backupcodes', 'personal');
 	}
 }

apps/twofactor_backupcodes/tests/Unit/Provider/BackupCodesProviderTest.php

@@ -14,28 +14,21 @@
 use OCP\IInitialStateService;
 use OCP\IL10N;
 use OCP\IUser;
-use OCP\Template;
+use OCP\Server;
+use OCP\Template\ITemplateManager;
+use PHPUnit\Framework\MockObject\MockObject;
 use Test\TestCase;
 
 class BackupCodesProviderTest extends TestCase {
+	private string $appName;
 
-	/** @var string */
-	private $appName;
+	private BackupCodeStorage&MockObject $storage;
+	private IL10N&MockObject $l10n;
+	private AppManager&MockObject $appManager;
+	private IInitialStateService&MockObject $initialState;
 
-	/** @var BackupCodeStorage|\PHPUnit\Framework\MockObject\MockObject */
-	private $storage;
-
-	/** @var IL10N|\PHPUnit\Framework\MockObject\MockObject */
-	private $l10n;
-
-	/** @var AppManager|\PHPUnit\Framework\MockObject\MockObject */
-	private $appManager;
-
-	/** @var IInitialStateService|\PHPUnit\Framework\MockObject\MockObject */
-	private $initialState;
-
-	/** @var BackupCodesProvider */
-	private $provider;
+	private ITemplateManager $templateManager;
+	private BackupCodesProvider $provider;
 
 	protected function setUp(): void {
 		parent::setUp();
@@ -45,8 +38,16 @@ protected function setUp(): void {
 		$this->l10n = $this->createMock(IL10N::class);
 		$this->appManager = $this->createMock(AppManager::class);
 		$this->initialState = $this->createMock(IInitialStateService::class);
-
-		$this->provider = new BackupCodesProvider($this->appName, $this->storage, $this->l10n, $this->appManager, $this->initialState);
+		$this->templateManager = Server::get(ITemplateManager::class);
+
+		$this->provider = new BackupCodesProvider(
+			$this->appName,
+			$this->storage,
+			$this->l10n,
+			$this->appManager,
+			$this->initialState,
+			$this->templateManager,
+		);
 	}
 
 	public function testGetId(): void {
@@ -71,7 +72,7 @@ public function testGetDescription(): void {
 
 	public function testGetTempalte(): void {
 		$user = $this->getMockBuilder(IUser::class)->getMock();
-		$expected = new Template('twofactor_backupcodes', 'challenge');
+		$expected = $this->templateManager->getTemplate('twofactor_backupcodes', 'challenge');
 
 		$this->assertEquals($expected, $this->provider->getTemplate($user));
 	}

apps/user_ldap/lib/Settings/Admin.php

@@ -13,14 +13,12 @@
 use OCP\IL10N;
 use OCP\Server;
 use OCP\Settings\IDelegatedSettings;
-use OCP\Template;
+use OCP\Template\ITemplateManager;
 
 class Admin implements IDelegatedSettings {
-	/**
-	 * @param IL10N $l
-	 */
 	public function __construct(
 		private IL10N $l,
+		private ITemplateManager $templateManager,
 	) {
 	}
 
@@ -40,11 +38,12 @@ public function getForm() {
 
 		$hosts = $helper->getServerConfigurationHosts();
 
-		$wControls = new Template('user_ldap', 'part.wizardcontrols');
+		$wControls = $this->templateManager->getTemplate('user_ldap', 'part.wizardcontrols');
 		$wControls = $wControls->fetchPage();
-		$sControls = new Template('user_ldap', 'part.settingcontrols');
+		$sControls = $this->templateManager->getTemplate('user_ldap', 'part.settingcontrols');
 		$sControls = $sControls->fetchPage();
 
+		$parameters = [];
 		$parameters['serverConfigurationPrefixes'] = $prefixes;
 		$parameters['serverConfigurationHosts'] = $hosts;
 		$parameters['settingControls'] = $sControls;

apps/user_ldap/tests/Settings/AdminTest.php

@@ -9,25 +9,29 @@
 use OCA\User_LDAP\Settings\Admin;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IL10N;
-use OCP\Template;
+use OCP\Server;
+use OCP\Template\ITemplateManager;
+use PHPUnit\Framework\MockObject\MockObject;
 use Test\TestCase;
 
 /**
  * @group DB
  * @package OCA\User_LDAP\Tests\Settings
  */
 class AdminTest extends TestCase {
-	/** @var Admin */
-	private $admin;
-	/** @var IL10N */
-	private $l10n;
+	private IL10N&MockObject $l10n;
+
+	private ITemplateManager $templateManager;
+	private Admin $admin;
 
 	protected function setUp(): void {
 		parent::setUp();
 		$this->l10n = $this->getMockBuilder(IL10N::class)->getMock();
+		$this->templateManager = Server::get(ITemplateManager::class);
 
 		$this->admin = new Admin(
-			$this->l10n
+			$this->l10n,
+			$this->templateManager,
 		);
 	}
 
@@ -38,11 +42,12 @@ public function testGetForm(): void {
 		$prefixes = ['s01'];
 		$hosts = ['s01' => ''];
 
-		$wControls = new Template('user_ldap', 'part.wizardcontrols');
+		$wControls = $this->templateManager->getTemplate('user_ldap', 'part.wizardcontrols');
 		$wControls = $wControls->fetchPage();
-		$sControls = new Template('user_ldap', 'part.settingcontrols');
+		$sControls = $this->templateManager->getTemplate('user_ldap', 'part.settingcontrols');
 		$sControls = $sControls->fetchPage();
 
+		$parameters = [];
 		$parameters['serverConfigurationPrefixes'] = $prefixes;
 		$parameters['serverConfigurationHosts'] = $hosts;
 		$parameters['settingControls'] = $sControls;

apps/workflowengine/lib/Listener/LoadAdditionalSettingsScriptsListener.php

@@ -6,25 +6,18 @@
  * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
 namespace OCA\WorkflowEngine\Listener;
 
 use OCA\WorkflowEngine\AppInfo\Application;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
-use OCP\Template;
 use OCP\Util;
 use OCP\WorkflowEngine\Events\LoadSettingsScriptsEvent;
-use function class_exists;
-use function function_exists;
 
 /** @template-implements IEventListener<LoadSettingsScriptsEvent> */
 class LoadAdditionalSettingsScriptsListener implements IEventListener {
 	public function handle(Event $event): void {
-		if (!function_exists('style')) {
-			// This is hacky, but we need to load the template class
-			class_exists(Template::class, true);
-		}
-
 		Util::addScript('core', 'files_fileinfo');
 		Util::addScript('core', 'files_client');
 		Util::addScript('core', 'systemtags');

build/psalm-baseline-ocp.xml

@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <files psalm-version="5.26.1@d747f6500b38ac4f7dfc5edbcae6e4b637d7add0">
-  <file src="lib/private/legacy/OC_Template.php">
-    <UndefinedClass>
-      <code><![CDATA[OC]]></code>
-    </UndefinedClass>
-  </file>
   <file src="lib/public/AppFramework/ApiController.php">
     <NoInterfaceProperties>
       <code><![CDATA[$this->request->server]]></code>

build/psalm-baseline.xml

@@ -2601,11 +2601,6 @@
       <code><![CDATA[getQuota]]></code>
     </UndefinedInterfaceMethod>
   </file>
-  <file src="lib/private/legacy/OC_Template.php">
-    <InvalidReturnType>
-      <code><![CDATA[bool|string]]></code>
-    </InvalidReturnType>
-  </file>
   <file src="lib/private/legacy/OC_User.php">
     <UndefinedClass>
       <code><![CDATA[\Test\Util\User\Dummy]]></code>

core/Controller/SetupController.php

@@ -8,6 +8,7 @@
 namespace OC\Core\Controller;
 
 use OC\Setup;
+use OCP\Template\ITemplateManager;
 use OCP\Util;
 use Psr\Log\LoggerInterface;
 
@@ -17,6 +18,7 @@ class SetupController {
 	public function __construct(
 		protected Setup $setupHelper,
 		protected LoggerInterface $logger,
+		protected ITemplateManager $templateManager,
 	) {
 		$this->autoConfigFile = \OC::$configDir . 'autoconfig.php';
 	}
@@ -57,10 +59,10 @@ public function run(array $post): void {
 	}
 
 	private function displaySetupForbidden(): void {
-		\OC_Template::printGuestPage('', 'installation_forbidden');
+		$this->templateManager->printGuestPage('', 'installation_forbidden');
 	}
 
-	public function display($post): void {
+	public function display(array $post): void {
 		$defaults = [
 			'adminlogin' => '',
 			'adminpass' => '',
@@ -80,7 +82,7 @@ public function display($post): void {
 		Util::addScript('core', 'main');
 		Util::addTranslations('core');
 
-		\OC_Template::printGuestPage('', 'installation', $parameters);
+		$this->templateManager->printGuestPage('', 'installation', $parameters);
 	}
 
 	private function finishSetup(): void {
@@ -90,7 +92,7 @@ private function finishSetup(): void {
 		\OC::$server->getIntegrityCodeChecker()->runInstanceVerification();
 
 		if ($this->setupHelper->shouldRemoveCanInstallFile()) {
-			\OC_Template::printGuestPage('', 'installation_incomplete');
+			$this->templateManager->printGuestPage('', 'installation_incomplete');
 		}
 
 		header('Location: ' . \OC::$server->getURLGenerator()->getAbsoluteURL('index.php/core/apps/recommended'));

index.php

@@ -16,6 +16,7 @@
 use OCP\IRequest;
 use OCP\Security\Bruteforce\MaxDelayReached;
 use OCP\Server;
+use OCP\Template\ITemplateManager;
 use Psr\Log\LoggerInterface;
 
 try {
@@ -29,10 +30,10 @@
 	]);
 
 	//show the user a detailed error page
-	OC_Template::printExceptionErrorPage($ex, 503);
+	Server::get(ITemplateManager::class)->printExceptionErrorPage($ex, 503);
 } catch (HintException $ex) {
 	try {
-		OC_Template::printErrorPage($ex->getMessage(), $ex->getHint(), 503);
+		Server::get(ITemplateManager::class)->printErrorPage($ex->getMessage(), $ex->getHint(), 503);
 	} catch (Exception $ex2) {
 		try {
 			Server::get(LoggerInterface::class)->error($ex->getMessage(), [
@@ -48,7 +49,7 @@
 		}
 
 		//show the user a detailed error page
-		OC_Template::printExceptionErrorPage($ex, 500);
+		Server::get(ITemplateManager::class)->printExceptionErrorPage($ex, 500);
 	}
 } catch (LoginException $ex) {
 	$request = Server::get(IRequest::class);
@@ -63,7 +64,7 @@
 		echo json_encode(['message' => $ex->getMessage()]);
 		exit();
 	}
-	OC_Template::printErrorPage($ex->getMessage(), $ex->getMessage(), 401);
+	Server::get(ITemplateManager::class)->printErrorPage($ex->getMessage(), $ex->getMessage(), 401);
 } catch (MaxDelayReached $ex) {
 	$request = Server::get(IRequest::class);
 	/**
@@ -78,15 +79,15 @@
 		exit();
 	}
 	http_response_code(429);
-	OC_Template::printGuestPage('core', '429');
+	Server::get(ITemplateManager::class)->printGuestPage('core', '429');
 } catch (Exception $ex) {
 	Server::get(LoggerInterface::class)->error($ex->getMessage(), [
 		'app' => 'index',
 		'exception' => $ex,
 	]);
 
 	//show the user a detailed error page
-	OC_Template::printExceptionErrorPage($ex, 500);
+	Server::get(ITemplateManager::class)->printExceptionErrorPage($ex, 500);
 } catch (Error $ex) {
 	try {
 		Server::get(LoggerInterface::class)->error($ex->getMessage(), [
@@ -103,5 +104,5 @@
 
 		throw $ex;
 	}
-	OC_Template::printExceptionErrorPage($ex, 500);
+	Server::get(ITemplateManager::class)->printExceptionErrorPage($ex, 500);
 }