nextcloud / server

core/templates/exception.php

Indentation +10 added lines, -10 removed lines

@@ -5,18 +5,18 @@
 style('core', ['styles', 'header']);
 
 function print_exception(Throwable $e, \OCP\IL10N $l): void {
-	print_unescaped('<pre>');
-	p($e->getTraceAsString());
-	print_unescaped('</pre>');
+    print_unescaped('<pre>');
+    p($e->getTraceAsString());
+    print_unescaped('</pre>');
 
-	if ($e->getPrevious() !== null) {
-		print_unescaped('<br />');
-		print_unescaped('<h4>');
-		p($l->t('Previous'));
-		print_unescaped('</h4>');
+    if ($e->getPrevious() !== null) {
+        print_unescaped('<br />');
+        print_unescaped('<h4>');
+        p($l->t('Previous'));
+        print_unescaped('</h4>');
 
-		print_exception($e->getPrevious(), $l);
-	}
+        print_exception($e->getPrevious(), $l);
+    }
 }
 
 ?>

lib/private/legacy/OC_Template.php

Indentation +307 added lines, -307 removed lines

@@ -48,311 +48,311 @@
  */
 class OC_Template extends \OC\Template\Base {
 
-	/** @var string */
-	private $renderAs; // Create a full page?
-
-	/** @var string */
-	private $path; // The path to the template
-
-	/** @var array */
-	private $headers = []; //custom headers
-
-	/** @var string */
-	protected $app; // app id
-
-	protected static $initTemplateEngineFirstRun = true;
-
-	/**
-	 * Constructor
-	 *
-	 * @param string $app app providing the template
-	 * @param string $name of the template file (without suffix)
-	 * @param string $renderAs If $renderAs is set, OC_Template will try to
-	 *                         produce a full page in the according layout. For
-	 *                         now, $renderAs can be set to "guest", "user" or
-	 *                         "admin".
-	 * @param bool $registerCall = true
-	 */
-	public function __construct($app, $name, $renderAs = TemplateResponse::RENDER_AS_BLANK, $registerCall = true) {
-		// Read the selected theme from the config file
-		self::initTemplateEngine($renderAs);
-
-		$theme = OC_Util::getTheme();
-
-		$requestToken = (OC::$server->getSession() && $registerCall) ? \OCP\Util::callRegister() : '';
-
-		$parts = explode('/', $app); // fix translation when app is something like core/lostpassword
-		$l10n = \OC::$server->getL10N($parts[0]);
-		/** @var \OCP\Defaults $themeDefaults */
-		$themeDefaults = \OC::$server->query(\OCP\Defaults::class);
-
-		list($path, $template) = $this->findTemplate($theme, $app, $name);
-
-		// Set the private data
-		$this->renderAs = $renderAs;
-		$this->path = $path;
-		$this->app = $app;
-
-		parent::__construct($template, $requestToken, $l10n, $themeDefaults);
-	}
-
-	/**
-	 * @param string $renderAs
-	 */
-	public static function initTemplateEngine($renderAs) {
-		if (self::$initTemplateEngineFirstRun) {
-
-			//apps that started before the template initialization can load their own scripts/styles
-			//so to make sure this scripts/styles here are loaded first we use OC_Util::addScript() with $prepend=true
-			//meaning the last script/style in this list will be loaded first
-			if (\OC::$server->getSystemConfig()->getValue('installed', false) && $renderAs !== TemplateResponse::RENDER_AS_ERROR && !\OCP\Util::needUpgrade()) {
-				if (\OC::$server->getConfig()->getAppValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
-					OC_Util::addScript('backgroundjobs', null, true);
-				}
-			}
-			OC_Util::addStyle('css-variables', null, true);
-			OC_Util::addStyle('server', null, true);
-			OC_Util::addTranslations('core', null, true);
-
-			if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
-				OC_Util::addScript('merged-template-prepend', null, true);
-				OC_Util::addScript('dist/files_client', null, true);
-				OC_Util::addScript('dist/files_fileinfo', null, true);
-			}
-			OC_Util::addScript('core', 'dist/main', true);
-
-			if (\OC::$server->getRequest()->isUserAgent([\OC\AppFramework\Http\Request::USER_AGENT_IE])) {
-				// shim for the davclient.js library
-				\OCP\Util::addScript('dist/files_iedavclient');
-			}
-
-			self::$initTemplateEngineFirstRun = false;
-		}
-	}
-
-
-	/**
-	 * find the template with the given name
-	 * @param string $name of the template file (without suffix)
-	 *
-	 * Will select the template file for the selected theme.
-	 * Checking all the possible locations.
-	 * @param string $theme
-	 * @param string $app
-	 * @return string[]
-	 */
-	protected function findTemplate($theme, $app, $name) {
-		// Check if it is a app template or not.
-		if ($app !== '') {
-			$dirs = $this->getAppTemplateDirs($theme, $app, OC::$SERVERROOT, OC_App::getAppPath($app));
-		} else {
-			$dirs = $this->getCoreTemplateDirs($theme, OC::$SERVERROOT);
-		}
-		$locator = new \OC\Template\TemplateFileLocator($dirs);
-		$template = $locator->find($name);
-		$path = $locator->getPath();
-		return [$path, $template];
-	}
-
-	/**
-	 * Add a custom element to the header
-	 * @param string $tag tag name of the element
-	 * @param array $attributes array of attributes for the element
-	 * @param string $text the text content for the element. If $text is null then the
-	 * element will be written as empty element. So use "" to get a closing tag.
-	 */
-	public function addHeader($tag, $attributes, $text = null) {
-		$this->headers[] = [
-			'tag' => $tag,
-			'attributes' => $attributes,
-			'text' => $text
-		];
-	}
-
-	/**
-	 * Process the template
-	 * @return string
-	 *
-	 * This function process the template. If $this->renderAs is set, it
-	 * will produce a full page.
-	 */
-	public function fetchPage($additionalParams = null) {
-		$data = parent::fetchPage($additionalParams);
-
-		if ($this->renderAs) {
-			$page = new TemplateLayout($this->renderAs, $this->app);
-
-			if (is_array($additionalParams)) {
-				foreach ($additionalParams as $key => $value) {
-					$page->assign($key, $value);
-				}
-			}
-
-			// Add custom headers
-			$headers = '';
-			foreach (OC_Util::$headers as $header) {
-				$headers .= '<'.\OCP\Util::sanitizeHTML($header['tag']);
-				if (strcasecmp($header['tag'], 'script') === 0 && in_array('src', array_map('strtolower', array_keys($header['attributes'])))) {
-					$headers .= ' defer';
-				}
-				foreach ($header['attributes'] as $name => $value) {
-					$headers .= ' '.\OCP\Util::sanitizeHTML($name).'="'.\OCP\Util::sanitizeHTML($value).'"';
-				}
-				if ($header['text'] !== null) {
-					$headers .= '>'.\OCP\Util::sanitizeHTML($header['text']).'</'.\OCP\Util::sanitizeHTML($header['tag']).'>';
-				} else {
-					$headers .= '/>';
-				}
-			}
-
-			$page->assign('headers', $headers);
-
-			$page->assign('content', $data);
-			return $page->fetchPage($additionalParams);
-		}
-
-		return $data;
-	}
-
-	/**
-	 * Include template
-	 *
-	 * @param string $file
-	 * @param array|null $additionalParams
-	 * @return string returns content of included template
-	 *
-	 * Includes another template. use <?php echo $this->inc('template'); ?> to
-	 * do this.
-	 */
-	public function inc($file, $additionalParams = null) {
-		return $this->load($this->path.$file.'.php', $additionalParams);
-	}
-
-	/**
-	 * Shortcut to print a simple page for users
-	 * @param string $application The application we render the template for
-	 * @param string $name Name of the template
-	 * @param array $parameters Parameters for the template
-	 * @return boolean|null
-	 */
-	public static function printUserPage($application, $name, $parameters = []) {
-		$content = new OC_Template($application, $name, "user");
-		foreach ($parameters as $key => $value) {
-			$content->assign($key, $value);
-		}
-		print $content->printPage();
-	}
-
-	/**
-	 * Shortcut to print a simple page for admins
-	 * @param string $application The application we render the template for
-	 * @param string $name Name of the template
-	 * @param array $parameters Parameters for the template
-	 * @return bool
-	 */
-	public static function printAdminPage($application, $name, $parameters = []) {
-		$content = new OC_Template($application, $name, "admin");
-		foreach ($parameters as $key => $value) {
-			$content->assign($key, $value);
-		}
-		return $content->printPage();
-	}
-
-	/**
-	 * Shortcut to print a simple page for guests
-	 * @param string $application The application we render the template for
-	 * @param string $name Name of the template
-	 * @param array|string $parameters Parameters for the template
-	 * @return bool
-	 */
-	public static function printGuestPage($application, $name, $parameters = []) {
-		$content = new OC_Template($application, $name, $name === 'error' ? $name : 'guest');
-		foreach ($parameters as $key => $value) {
-			$content->assign($key, $value);
-		}
-		return $content->printPage();
-	}
-
-	/**
-	 * Print a fatal error page and terminates the script
-	 * @param string $error_msg The error message to show
-	 * @param string $hint An optional hint message - needs to be properly escape
-	 * @param int $statusCode
-	 * @suppress PhanAccessMethodInternal
-	 */
-	public static function printErrorPage($error_msg, $hint = '', $statusCode = 500) {
-		if (\OC::$server->getAppManager()->isEnabledForUser('theming') && !\OC_App::isAppLoaded('theming')) {
-			\OC_App::loadApp('theming');
-		}
-
-
-		if ($error_msg === $hint) {
-			// If the hint is the same as the message there is no need to display it twice.
-			$hint = '';
-		}
-
-		http_response_code($statusCode);
-		try {
-			$content = new \OC_Template('', 'error', 'error', false);
-			$errors = [['error' => $error_msg, 'hint' => $hint]];
-			$content->assign('errors', $errors);
-			$content->printPage();
-		} catch (\Exception $e) {
-			$logger = \OC::$server->getLogger();
-			$logger->error("$error_msg $hint", ['app' => 'core']);
-			$logger->logException($e, ['app' => 'core']);
-
-			header('Content-Type: text/plain; charset=utf-8');
-			print("$error_msg $hint");
-		}
-		die();
-	}
-
-	/**
-	 * print error page using Exception details
-	 * @param Exception|Throwable $exception
-	 * @param int $statusCode
-	 * @return bool|string
-	 * @suppress PhanAccessMethodInternal
-	 */
-	public static function printExceptionErrorPage($exception, $statusCode = 503) {
-		http_response_code($statusCode);
-		try {
-			$request = \OC::$server->getRequest();
-			$content = new \OC_Template('', 'exception', 'error', false);
-			$content->assign('errorClass', get_class($exception));
-			$content->assign('errorMsg', $exception->getMessage());
-			$content->assign('errorCode', $exception->getCode());
-			$content->assign('file', $exception->getFile());
-			$content->assign('line', $exception->getLine());
-			$content->assign('exception', $exception);
-			$content->assign('debugMode', \OC::$server->getSystemConfig()->getValue('debug', false));
-			$content->assign('remoteAddr', $request->getRemoteAddress());
-			$content->assign('requestID', $request->getId());
-			$content->printPage();
-		} catch (\Exception $e) {
-			try {
-				$logger = \OC::$server->getLogger();
-				$logger->logException($exception, ['app' => 'core']);
-				$logger->logException($e, ['app' => 'core']);
-			} catch (Throwable $e) {
-				// no way to log it properly - but to avoid a white page of death we send some output
-				header('Content-Type: text/plain; charset=utf-8');
-				print("Internal Server Error\n\n");
-				print("The server encountered an internal error and was unable to complete your request.\n");
-				print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
-				print("More details can be found in the server log.\n");
-
-				// and then throw it again to log it at least to the web server error log
-				throw $e;
-			}
-
-			header('Content-Type: text/plain; charset=utf-8');
-			print("Internal Server Error\n\n");
-			print("The server encountered an internal error and was unable to complete your request.\n");
-			print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
-			print("More details can be found in the server log.\n");
-		}
-		die();
-	}
+    /** @var string */
+    private $renderAs; // Create a full page?
+
+    /** @var string */
+    private $path; // The path to the template
+
+    /** @var array */
+    private $headers = []; //custom headers
+
+    /** @var string */
+    protected $app; // app id
+
+    protected static $initTemplateEngineFirstRun = true;
+
+    /**
+     * Constructor
+     *
+     * @param string $app app providing the template
+     * @param string $name of the template file (without suffix)
+     * @param string $renderAs If $renderAs is set, OC_Template will try to
+     *                         produce a full page in the according layout. For
+     *                         now, $renderAs can be set to "guest", "user" or
+     *                         "admin".
+     * @param bool $registerCall = true
+     */
+    public function __construct($app, $name, $renderAs = TemplateResponse::RENDER_AS_BLANK, $registerCall = true) {
+        // Read the selected theme from the config file
+        self::initTemplateEngine($renderAs);
+
+        $theme = OC_Util::getTheme();
+
+        $requestToken = (OC::$server->getSession() && $registerCall) ? \OCP\Util::callRegister() : '';
+
+        $parts = explode('/', $app); // fix translation when app is something like core/lostpassword
+        $l10n = \OC::$server->getL10N($parts[0]);
+        /** @var \OCP\Defaults $themeDefaults */
+        $themeDefaults = \OC::$server->query(\OCP\Defaults::class);
+
+        list($path, $template) = $this->findTemplate($theme, $app, $name);
+
+        // Set the private data
+        $this->renderAs = $renderAs;
+        $this->path = $path;
+        $this->app = $app;
+
+        parent::__construct($template, $requestToken, $l10n, $themeDefaults);
+    }
+
+    /**
+     * @param string $renderAs
+     */
+    public static function initTemplateEngine($renderAs) {
+        if (self::$initTemplateEngineFirstRun) {
+
+            //apps that started before the template initialization can load their own scripts/styles
+            //so to make sure this scripts/styles here are loaded first we use OC_Util::addScript() with $prepend=true
+            //meaning the last script/style in this list will be loaded first
+            if (\OC::$server->getSystemConfig()->getValue('installed', false) && $renderAs !== TemplateResponse::RENDER_AS_ERROR && !\OCP\Util::needUpgrade()) {
+                if (\OC::$server->getConfig()->getAppValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
+                    OC_Util::addScript('backgroundjobs', null, true);
+                }
+            }
+            OC_Util::addStyle('css-variables', null, true);
+            OC_Util::addStyle('server', null, true);
+            OC_Util::addTranslations('core', null, true);
+
+            if (\OC::$server->getSystemConfig()->getValue('installed', false)) {
+                OC_Util::addScript('merged-template-prepend', null, true);
+                OC_Util::addScript('dist/files_client', null, true);
+                OC_Util::addScript('dist/files_fileinfo', null, true);
+            }
+            OC_Util::addScript('core', 'dist/main', true);
+
+            if (\OC::$server->getRequest()->isUserAgent([\OC\AppFramework\Http\Request::USER_AGENT_IE])) {
+                // shim for the davclient.js library
+                \OCP\Util::addScript('dist/files_iedavclient');
+            }
+
+            self::$initTemplateEngineFirstRun = false;
+        }
+    }
+
+
+    /**
+     * find the template with the given name
+     * @param string $name of the template file (without suffix)
+     *
+     * Will select the template file for the selected theme.
+     * Checking all the possible locations.
+     * @param string $theme
+     * @param string $app
+     * @return string[]
+     */
+    protected function findTemplate($theme, $app, $name) {
+        // Check if it is a app template or not.
+        if ($app !== '') {
+            $dirs = $this->getAppTemplateDirs($theme, $app, OC::$SERVERROOT, OC_App::getAppPath($app));
+        } else {
+            $dirs = $this->getCoreTemplateDirs($theme, OC::$SERVERROOT);
+        }
+        $locator = new \OC\Template\TemplateFileLocator($dirs);
+        $template = $locator->find($name);
+        $path = $locator->getPath();
+        return [$path, $template];
+    }
+
+    /**
+     * Add a custom element to the header
+     * @param string $tag tag name of the element
+     * @param array $attributes array of attributes for the element
+     * @param string $text the text content for the element. If $text is null then the
+     * element will be written as empty element. So use "" to get a closing tag.
+     */
+    public function addHeader($tag, $attributes, $text = null) {
+        $this->headers[] = [
+            'tag' => $tag,
+            'attributes' => $attributes,
+            'text' => $text
+        ];
+    }
+
+    /**
+     * Process the template
+     * @return string
+     *
+     * This function process the template. If $this->renderAs is set, it
+     * will produce a full page.
+     */
+    public function fetchPage($additionalParams = null) {
+        $data = parent::fetchPage($additionalParams);
+
+        if ($this->renderAs) {
+            $page = new TemplateLayout($this->renderAs, $this->app);
+
+            if (is_array($additionalParams)) {
+                foreach ($additionalParams as $key => $value) {
+                    $page->assign($key, $value);
+                }
+            }
+
+            // Add custom headers
+            $headers = '';
+            foreach (OC_Util::$headers as $header) {
+                $headers .= '<'.\OCP\Util::sanitizeHTML($header['tag']);
+                if (strcasecmp($header['tag'], 'script') === 0 && in_array('src', array_map('strtolower', array_keys($header['attributes'])))) {
+                    $headers .= ' defer';
+                }
+                foreach ($header['attributes'] as $name => $value) {
+                    $headers .= ' '.\OCP\Util::sanitizeHTML($name).'="'.\OCP\Util::sanitizeHTML($value).'"';
+                }
+                if ($header['text'] !== null) {
+                    $headers .= '>'.\OCP\Util::sanitizeHTML($header['text']).'</'.\OCP\Util::sanitizeHTML($header['tag']).'>';
+                } else {
+                    $headers .= '/>';
+                }
+            }
+
+            $page->assign('headers', $headers);
+
+            $page->assign('content', $data);
+            return $page->fetchPage($additionalParams);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Include template
+     *
+     * @param string $file
+     * @param array|null $additionalParams
+     * @return string returns content of included template
+     *
+     * Includes another template. use <?php echo $this->inc('template'); ?> to
+     * do this.
+     */
+    public function inc($file, $additionalParams = null) {
+        return $this->load($this->path.$file.'.php', $additionalParams);
+    }
+
+    /**
+     * Shortcut to print a simple page for users
+     * @param string $application The application we render the template for
+     * @param string $name Name of the template
+     * @param array $parameters Parameters for the template
+     * @return boolean|null
+     */
+    public static function printUserPage($application, $name, $parameters = []) {
+        $content = new OC_Template($application, $name, "user");
+        foreach ($parameters as $key => $value) {
+            $content->assign($key, $value);
+        }
+        print $content->printPage();
+    }
+
+    /**
+     * Shortcut to print a simple page for admins
+     * @param string $application The application we render the template for
+     * @param string $name Name of the template
+     * @param array $parameters Parameters for the template
+     * @return bool
+     */
+    public static function printAdminPage($application, $name, $parameters = []) {
+        $content = new OC_Template($application, $name, "admin");
+        foreach ($parameters as $key => $value) {
+            $content->assign($key, $value);
+        }
+        return $content->printPage();
+    }
+
+    /**
+     * Shortcut to print a simple page for guests
+     * @param string $application The application we render the template for
+     * @param string $name Name of the template
+     * @param array|string $parameters Parameters for the template
+     * @return bool
+     */
+    public static function printGuestPage($application, $name, $parameters = []) {
+        $content = new OC_Template($application, $name, $name === 'error' ? $name : 'guest');
+        foreach ($parameters as $key => $value) {
+            $content->assign($key, $value);
+        }
+        return $content->printPage();
+    }
+
+    /**
+     * Print a fatal error page and terminates the script
+     * @param string $error_msg The error message to show
+     * @param string $hint An optional hint message - needs to be properly escape
+     * @param int $statusCode
+     * @suppress PhanAccessMethodInternal
+     */
+    public static function printErrorPage($error_msg, $hint = '', $statusCode = 500) {
+        if (\OC::$server->getAppManager()->isEnabledForUser('theming') && !\OC_App::isAppLoaded('theming')) {
+            \OC_App::loadApp('theming');
+        }
+
+
+        if ($error_msg === $hint) {
+            // If the hint is the same as the message there is no need to display it twice.
+            $hint = '';
+        }
+
+        http_response_code($statusCode);
+        try {
+            $content = new \OC_Template('', 'error', 'error', false);
+            $errors = [['error' => $error_msg, 'hint' => $hint]];
+            $content->assign('errors', $errors);
+            $content->printPage();
+        } catch (\Exception $e) {
+            $logger = \OC::$server->getLogger();
+            $logger->error("$error_msg $hint", ['app' => 'core']);
+            $logger->logException($e, ['app' => 'core']);
+
+            header('Content-Type: text/plain; charset=utf-8');
+            print("$error_msg $hint");
+        }
+        die();
+    }
+
+    /**
+     * print error page using Exception details
+     * @param Exception|Throwable $exception
+     * @param int $statusCode
+     * @return bool|string
+     * @suppress PhanAccessMethodInternal
+     */
+    public static function printExceptionErrorPage($exception, $statusCode = 503) {
+        http_response_code($statusCode);
+        try {
+            $request = \OC::$server->getRequest();
+            $content = new \OC_Template('', 'exception', 'error', false);
+            $content->assign('errorClass', get_class($exception));
+            $content->assign('errorMsg', $exception->getMessage());
+            $content->assign('errorCode', $exception->getCode());
+            $content->assign('file', $exception->getFile());
+            $content->assign('line', $exception->getLine());
+            $content->assign('exception', $exception);
+            $content->assign('debugMode', \OC::$server->getSystemConfig()->getValue('debug', false));
+            $content->assign('remoteAddr', $request->getRemoteAddress());
+            $content->assign('requestID', $request->getId());
+            $content->printPage();
+        } catch (\Exception $e) {
+            try {
+                $logger = \OC::$server->getLogger();
+                $logger->logException($exception, ['app' => 'core']);
+                $logger->logException($e, ['app' => 'core']);
+            } catch (Throwable $e) {
+                // no way to log it properly - but to avoid a white page of death we send some output
+                header('Content-Type: text/plain; charset=utf-8');
+                print("Internal Server Error\n\n");
+                print("The server encountered an internal error and was unable to complete your request.\n");
+                print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
+                print("More details can be found in the server log.\n");
+
+                // and then throw it again to log it at least to the web server error log
+                throw $e;
+            }
+
+            header('Content-Type: text/plain; charset=utf-8');
+            print("Internal Server Error\n\n");
+            print("The server encountered an internal error and was unable to complete your request.\n");
+            print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
+            print("More details can be found in the server log.\n");
+        }
+        die();
+    }
 }

lib/private/Template/Base.php

Indentation +153 added lines, -153 removed lines

@@ -34,157 +34,157 @@
 use Throwable;
 
 class Base {
-	private $template; // The template
-	private $vars; // Vars
-
-	/** @var \OCP\IL10N */
-	private $l10n;
-
-	/** @var Defaults */
-	private $theme;
-
-	/**
-	 * @param string $template
-	 * @param string $requestToken
-	 * @param \OCP\IL10N $l10n
-	 * @param Defaults $theme
-	 */
-	public function __construct($template, $requestToken, $l10n, $theme) {
-		$this->vars = [];
-		$this->vars['requesttoken'] = $requestToken;
-		$this->l10n = $l10n;
-		$this->template = $template;
-		$this->theme = $theme;
-	}
-
-	/**
-	 * @param string $serverRoot
-	 * @param string|false $app_dir
-	 * @param string $theme
-	 * @param string $app
-	 * @return string[]
-	 */
-	protected function getAppTemplateDirs($theme, $app, $serverRoot, $app_dir) {
-		// Check if the app is in the app folder or in the root
-		if (file_exists($app_dir.'/templates/')) {
-			return [
-				$serverRoot.'/themes/'.$theme.'/apps/'.$app.'/templates/',
-				$app_dir.'/templates/',
-			];
-		}
-		return [
-			$serverRoot.'/themes/'.$theme.'/'.$app.'/templates/',
-			$serverRoot.'/'.$app.'/templates/',
-		];
-	}
-
-	/**
-	 * @param string $serverRoot
-	 * @param string $theme
-	 * @return string[]
-	 */
-	protected function getCoreTemplateDirs($theme, $serverRoot) {
-		return [
-			$serverRoot.'/themes/'.$theme.'/core/templates/',
-			$serverRoot.'/core/templates/',
-		];
-	}
-
-	/**
-	 * Assign variables
-	 * @param string $key key
-	 * @param array|bool|integer|string|Throwable $value value
-	 * @return bool
-	 *
-	 * This function assigns a variable. It can be accessed via $_[$key] in
-	 * the template.
-	 *
-	 * If the key existed before, it will be overwritten
-	 */
-	public function assign($key, $value) {
-		$this->vars[$key] = $value;
-		return true;
-	}
-
-	/**
-	 * Appends a variable
-	 * @param string $key key
-	 * @param mixed $value value
-	 *
-	 * This function assigns a variable in an array context. If the key already
-	 * exists, the value will be appended. It can be accessed via
-	 * $_[$key][$position] in the template.
-	 */
-	public function append($key, $value) {
-		if (array_key_exists($key, $this->vars)) {
-			$this->vars[$key][] = $value;
-		} else {
-			$this->vars[$key] = [ $value ];
-		}
-	}
-
-	/**
-	 * Prints the proceeded template
-	 * @return bool
-	 *
-	 * This function proceeds the template and prints its output.
-	 */
-	public function printPage() {
-		$data = $this->fetchPage();
-		if ($data === false) {
-			return false;
-		} else {
-			print $data;
-			return true;
-		}
-	}
-
-	/**
-	 * Process the template
-	 *
-	 * @param array|null $additionalParams
-	 * @return string This function processes the template.
-	 *
-	 * This function processes the template.
-	 */
-	public function fetchPage($additionalParams = null) {
-		return $this->load($this->template, $additionalParams);
-	}
-
-	/**
-	 * doing the actual work
-	 *
-	 * @param string $file
-	 * @param array|null $additionalParams
-	 * @return string content
-	 *
-	 * Includes the template file, fetches its output
-	 */
-	protected function load($file, $additionalParams = null) {
-		// Register the variables
-		$_ = $this->vars;
-		$l = $this->l10n;
-		$theme = $this->theme;
-
-		if (!is_null($additionalParams)) {
-			$_ = array_merge($additionalParams, $this->vars);
-			foreach ($_ as $var => $value) {
-				${$var} = $value;
-			}
-		}
-
-		// Include
-		ob_start();
-		try {
-			include $file;
-			$data = ob_get_contents();
-		} catch (\Exception $e) {
-			@ob_end_clean();
-			throw $e;
-		}
-		@ob_end_clean();
-
-		// Return data
-		return $data;
-	}
+    private $template; // The template
+    private $vars; // Vars
+
+    /** @var \OCP\IL10N */
+    private $l10n;
+
+    /** @var Defaults */
+    private $theme;
+
+    /**
+     * @param string $template
+     * @param string $requestToken
+     * @param \OCP\IL10N $l10n
+     * @param Defaults $theme
+     */
+    public function __construct($template, $requestToken, $l10n, $theme) {
+        $this->vars = [];
+        $this->vars['requesttoken'] = $requestToken;
+        $this->l10n = $l10n;
+        $this->template = $template;
+        $this->theme = $theme;
+    }
+
+    /**
+     * @param string $serverRoot
+     * @param string|false $app_dir
+     * @param string $theme
+     * @param string $app
+     * @return string[]
+     */
+    protected function getAppTemplateDirs($theme, $app, $serverRoot, $app_dir) {
+        // Check if the app is in the app folder or in the root
+        if (file_exists($app_dir.'/templates/')) {
+            return [
+                $serverRoot.'/themes/'.$theme.'/apps/'.$app.'/templates/',
+                $app_dir.'/templates/',
+            ];
+        }
+        return [
+            $serverRoot.'/themes/'.$theme.'/'.$app.'/templates/',
+            $serverRoot.'/'.$app.'/templates/',
+        ];
+    }
+
+    /**
+     * @param string $serverRoot
+     * @param string $theme
+     * @return string[]
+     */
+    protected function getCoreTemplateDirs($theme, $serverRoot) {
+        return [
+            $serverRoot.'/themes/'.$theme.'/core/templates/',
+            $serverRoot.'/core/templates/',
+        ];
+    }
+
+    /**
+     * Assign variables
+     * @param string $key key
+     * @param array|bool|integer|string|Throwable $value value
+     * @return bool
+     *
+     * This function assigns a variable. It can be accessed via $_[$key] in
+     * the template.
+     *
+     * If the key existed before, it will be overwritten
+     */
+    public function assign($key, $value) {
+        $this->vars[$key] = $value;
+        return true;
+    }
+
+    /**
+     * Appends a variable
+     * @param string $key key
+     * @param mixed $value value
+     *
+     * This function assigns a variable in an array context. If the key already
+     * exists, the value will be appended. It can be accessed via
+     * $_[$key][$position] in the template.
+     */
+    public function append($key, $value) {
+        if (array_key_exists($key, $this->vars)) {
+            $this->vars[$key][] = $value;
+        } else {
+            $this->vars[$key] = [ $value ];
+        }
+    }
+
+    /**
+     * Prints the proceeded template
+     * @return bool
+     *
+     * This function proceeds the template and prints its output.
+     */
+    public function printPage() {
+        $data = $this->fetchPage();
+        if ($data === false) {
+            return false;
+        } else {
+            print $data;
+            return true;
+        }
+    }
+
+    /**
+     * Process the template
+     *
+     * @param array|null $additionalParams
+     * @return string This function processes the template.
+     *
+     * This function processes the template.
+     */
+    public function fetchPage($additionalParams = null) {
+        return $this->load($this->template, $additionalParams);
+    }
+
+    /**
+     * doing the actual work
+     *
+     * @param string $file
+     * @param array|null $additionalParams
+     * @return string content
+     *
+     * Includes the template file, fetches its output
+     */
+    protected function load($file, $additionalParams = null) {
+        // Register the variables
+        $_ = $this->vars;
+        $l = $this->l10n;
+        $theme = $this->theme;
+
+        if (!is_null($additionalParams)) {
+            $_ = array_merge($additionalParams, $this->vars);
+            foreach ($_ as $var => $value) {
+                ${$var} = $value;
+            }
+        }
+
+        // Include
+        ob_start();
+        try {
+            include $file;
+            $data = ob_get_contents();
+        } catch (\Exception $e) {
+            @ob_end_clean();
+            throw $e;
+        }
+        @ob_end_clean();
+
+        // Return data
+        return $data;
+    }
 }