Appdata integration 2

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

core/Controller/CssController.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Controller;
+
+use OC\AppFramework\Utility\TimeFactory;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\NotFoundResponse;
+use OCP\AppFramework\Http\FileDisplayResponse;
+use OCP\ICssManager;
+use OCP\IRequest;
+
+
+class CssController extends Controller {
+
+	/** @var ICssManager */
+	protected $cssManager;
+
+	/** @var TimeFactory */
+	protected $timeFactory;
+
+
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param ICssManager $cssManager
+	 * @param TimeFactory $timeFactory
+	 */
+	public function __construct($appName, IRequest $request, ICssManager $cssManager, TimeFactory $timeFactory) {
+		parent::__construct($appName, $request);
+
+		$this->cssManager = $cssManager;
+		$this->timeFactory = $timeFactory;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 * @NoCSRFRequired
+	 *
+	 * @param string $fileName css filename with extension
+	 * @return text/css
+	 */
+	public function getCss($fileName) {
+		try {
+			$cssFile = $this->cssManager->getCss($fileName);
+		} catch(NotFoundException $e) {
+			return new NotFoundResponse();
+		}
+
+		if ($cssFile !== false) {
+			$response = new FileDisplayResponse($cssFile, Http::STATUS_OK, ['Content-Type' => 'text/css']);
+			$response->cacheFor(86400);
+			$expires = new \DateTime();
+			$expires->setTimestamp($this->timeFactory->getTime());
+			$expires->add(new \DateInterval('PT24H'));
+			$response->addHeader('Expires', $expires->format(\DateTime::RFC2822));
+			$response->addHeader('Pragma', 'cache');
+			return $response;
+		} else {
+			return new NotFoundResponse();
+		}
+	}
+}

core/routes.php

@@ -55,6 +55,7 @@ $application->registerRoutes($this, [
 		['name' => 'OCJS#getConfig', 'url' => '/core/js/oc.js', 'verb' => 'GET'],
 		['name' => 'Preview#getPreview', 'url' => '/core/preview', 'verb' => 'GET'],
 		['name' => 'Preview#getPreview', 'url' => '/core/preview.png', 'verb' => 'GET'],
+		['name' => 'Css#getCss', 'url' => '/css/{fileName}', 'verb' => 'GET'],
 	],
 	'ocs' => [
 		['root' => '/cloud', 'name' => 'OCS#getCapabilities', 'url' => '/capabilities', 'verb' => 'GET'],

lib/private/AppFramework/DependencyInjection/DIContainer.php

@@ -95,6 +95,11 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 			return $this->getServer()->getAvatarManager();
 		});
 
+
+		$this->registerService('OCP\\ICssManager', function($c) {
+			return $this->getServer()->getCssManager();
+		});
+
 		$this->registerService('OCP\\Activity\\IManager', function($c) {
 			return $this->getServer()->getActivityManager();
 		});

lib/private/CssManager.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC;
+
+use OCP\Files\IAppData;
+use OCP\Files\NotFoundException;
+use OCP\ICssManager;
+
+/**
+ * This class implements methods to access SCSS cached files
+ */
+class CssManager implements ICssManager {
+
+	/** @var IAppData */
+	private $appData;
+
+	/**
+	 * CssManager constructor.
+	 *
+	 * @param IAppData $appData
+	 */
+	public function __construct(IAppData $appData) {
+		$this->appData = $appData;
+	}
+
+	/**
+	 * Get the css file and return ISimpleFile
+	 *
+	 * @param string $fileName css filename with extension
+	 * @return ISimpleFile
+	 */
+	public function getCss($fileName) {
+		try {
+			$folder = $this->appData->getFolder('css');
+		} catch(NotFoundException $e) {
+			throw new NotFoundException();
+		}
+		try {
+			return $folder->getFile($fileName);
+		} catch(NotFoundException $e) {
+			throw new NotFoundException();
+		}
+	}
+}

lib/private/Server.php

@@ -417,6 +417,11 @@ class Server extends ServerContainer implements IServerContainer {
 				$c->getConfig()
 			);
 		});
+		$this->registerService('CssManager', function (Server $c) {
+			return new CssManager(
+				$c->getAppDataDir('server')
+			);
+		});
 		$this->registerService('Logger', function (Server $c) {
 			$logClass = $c->query('AllConfig')->getSystemValue('log_type', 'file');
 			// TODO: Drop backwards compatibility for config in the future
@@ -908,6 +913,16 @@ class Server extends ServerContainer implements IServerContainer {
 		return $this->query('AvatarManager');
 	}
 
+
+	/**
+	 * Returns the css manager
+	 *
+	 * @return \OCP\ICssManager
+	 */
+	public function getCssManager() {
+		return $this->query('CssManager');
+	}
+
 	/**
 	 * Returns the root folder of ownCloud's data directory
 	 *

lib/private/Template/CSSResourceLocator.php

@@ -29,6 +29,13 @@ class CSSResourceLocator extends ResourceLocator {
 
 	protected $appData;
 
+	/**
+	 * @param \OCP\ILogger $logger
+	 * @param string $theme
+	 * @param array $core_map
+	 * @param array $party_map
+	 * @param IAppData $appData
+	 */
 	public function __construct(\OCP\ILogger $logger, $theme, $core_map, $party_map, $appData) {
 		$this->appData = $appData;
 		parent::__construct($logger, $theme, $core_map, $party_map);

lib/private/Template/ResourceLocator.php

@@ -111,6 +111,7 @@ abstract class ResourceLocator {
 	 *
 	 * @param string $root path to check
 	 * @param string $file the filename
+	 * @param IAppData $appData the appData folder
 	 * @param string|null $webRoot base for path, default map $root to $webRoot
 	 * @return bool True if the resource was found and cached, false otherwise
 	 */

lib/private/Template/SCSSCacher.php

@@ -30,19 +30,21 @@ class SCSSCacher {
 	protected $root;
 	protected $folder;
 	protected $file;
-	protected $fileName;
+	protected $fileNameSCSS;
+	protected $fileNameCSS;
 	protected $fileLoc;
-	protected $fileCache;
 	protected $rootCssLoc;
 
 	/** @var \OCP\ILogger */
 	protected $logger;
+	/** @var \OCP\Files\IAppData */
 	protected $appData;
 
 	/**
 	 * @param \OCP\ILogger $logger
 	 * @param string $root
 	 * @param string $file
+	 * @param \OCP\Files\IAppData $appData
 	 */
 	public function __construct(\OCP\ILogger $logger, $root, $file, $appData) {
 		$this->logger = $logger;
@@ -50,8 +52,10 @@ class SCSSCacher {
 		$this->root = $root;
 		$this->file = explode('/', $root.'/'.$file);
 
+		/* filenames */
 		$this->fileNameSCSS = array_pop($this->file);
 		$this->fileNameCSS = str_replace('.scss', '.css', $this->fileNameSCSS);
+
 		$this->fileLoc = implode('/', $this->file);
 
 		// base uri to css file
@@ -67,6 +71,10 @@ class SCSSCacher {
 		}
 	}
 
+	/**
+	 * Process the caching process if needed
+	 * @return boolean
+	 */
 	public function process() {
 
 		if($this->is_cached()) {
@@ -77,6 +85,10 @@ class SCSSCacher {
 		return false;
 	}
 
+	/**
+	 * Check if the file is cached or not
+	 * @return boolean
+	 */
 	private function is_cached() {
 		try{
 			$cachedfile = $this->folder->getFile($this->fileNameCSS);
@@ -90,6 +102,10 @@ class SCSSCacher {
         return false;
 	}
 
+	/**
+	 * Cache the file with AppData
+	 * @return boolean
+	 */
 	private function cache() {
 		$scss = new Compiler();
 		$scss->setImportPaths($this->fileLoc);
@@ -108,6 +124,7 @@ class SCSSCacher {
 			$cachedfile = $this->folder->newFile($this->fileNameCSS);
 		}
 
+		// Compile
 		try {
 			$compiledScss = $scss->compile('@import "'.$this->fileNameSCSS.'";');
 		} catch(ParserException $e) {
@@ -115,20 +132,32 @@ class SCSSCacher {
 			return false;
 		}
 
-		if($cachedfile->putContent($this->rebaseUrls($compiledScss))) {
-			$this->logger->debug($root.'/'.$file.' compiled and successfully cached', ['app' => 'SCSSPHP']);
+		try {
+			$cachedfile->putContent($this->rebaseUrls($compiledScss));
+			$this->logger->debug($this->rootCssLoc.'/'.$this->fileNameSCSS.' compiled and successfully cached', ['app' => 'SCSSPHP']);
 			return true;
+		} catch(NotFoundException $e) {
+			return false;
 		}
 		return false;
 	}
 
+	/**
+	 * Add the correct uri prefix to make uri valid again
+	 * @param string $css
+	 * @return string
+	 */
 	private function rebaseUrls($css) {
 		$re = '/url\([\'"](.*)[\'"]\)/x';
-		$subst = 'url(\'../'.$this->rootCssLoc.'/$1\')';
+		$subst = 'url(\'../../../'.$this->rootCssLoc.'/$1\')';
 		return preg_replace($re, $subst, $css);
 	}
 
+	/**
+	 * Return the cached css file uri
+	 * @return string
+	 */
 	public function getCachedSCSS() {
-		return $this->fileCache;
+		return "index.php/css/".$this->fileNameCSS;
 	}
 }

lib/public/ICssManager.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP;
+
+/**
+ * This class provides scss functionality
+ * @since 11.0.0
+ */
+
+interface ICssManager {
+	
+	/**
+	 * Get the css file and return ISimpleFile
+	 *
+	 * @param string $fileName css filename with extension
+	 * @return ISimpleFile
+	 */
+	public function getCss($fileName);
+}