Add HasPhoto DAV plugin

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

apps/dav/composer/composer/autoload_classmap.php

@@ -69,6 +69,7 @@ return array(
     'OCA\\DAV\\CardDAV\\CardDavBackend' => $baseDir . '/../lib/CardDAV/CardDavBackend.php',
     'OCA\\DAV\\CardDAV\\ContactsManager' => $baseDir . '/../lib/CardDAV/ContactsManager.php',
     'OCA\\DAV\\CardDAV\\Converter' => $baseDir . '/../lib/CardDAV/Converter.php',
+    'OCA\\DAV\\CardDAV\\HasPhotoPlugin' => $baseDir . '/../lib/CardDAV/HasPhotoPlugin.php',
     'OCA\\DAV\\CardDAV\\ImageExportPlugin' => $baseDir . '/../lib/CardDAV/ImageExportPlugin.php',
     'OCA\\DAV\\CardDAV\\MultiGetExportPlugin' => $baseDir . '/../lib/CardDAV/MultiGetExportPlugin.php',
     'OCA\\DAV\\CardDAV\\PhotoCache' => $baseDir . '/../lib/CardDAV/PhotoCache.php',

apps/dav/composer/composer/autoload_static.php

@@ -84,6 +84,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\CardDAV\\CardDavBackend' => __DIR__ . '/..' . '/../lib/CardDAV/CardDavBackend.php',
         'OCA\\DAV\\CardDAV\\ContactsManager' => __DIR__ . '/..' . '/../lib/CardDAV/ContactsManager.php',
         'OCA\\DAV\\CardDAV\\Converter' => __DIR__ . '/..' . '/../lib/CardDAV/Converter.php',
+        'OCA\\DAV\\CardDAV\\HasPhotoPlugin' => __DIR__ . '/..' . '/../lib/CardDAV/HasPhotoPlugin.php',
         'OCA\\DAV\\CardDAV\\ImageExportPlugin' => __DIR__ . '/..' . '/../lib/CardDAV/ImageExportPlugin.php',
         'OCA\\DAV\\CardDAV\\MultiGetExportPlugin' => __DIR__ . '/..' . '/../lib/CardDAV/MultiGetExportPlugin.php',
         'OCA\\DAV\\CardDAV\\PhotoCache' => __DIR__ . '/..' . '/../lib/CardDAV/PhotoCache.php',

apps/dav/lib/CardDAV/HasPhotoPlugin.php

+<?php
+declare (strict_types = 1);
+/**
+ * @copyright Copyright (c) 2019 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author 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 OCA\DAV\CardDAV;
+
+use Sabre\CardDAV\Card;
+use Sabre\DAV\INode;
+use Sabre\DAV\PropFind;
+use Sabre\DAV\Server;
+use Sabre\VObject\Component\VCard;
+use Sabre\VObject\Reader;
+
+class HasPhotoPlugin extends \Sabre\CardDAV\Plugin {
+
+	/** @var Server */
+	protected $server;
+
+	/**
+	 * Initializes the plugin and registers event handlers
+	 *
+	 * @param Server $server
+	 * @return void
+	 */
+	function initialize(Server $server) {
+		$server->on('propFind', [$this, 'propFind']);
+		parent::initialize($server);
+	}
+
+	/**
+	 * Adds all CardDAV-specific properties
+	 *
+	 * @param PropFind $propFind
+	 * @param INode $node
+	 * @return void
+	 */
+	function propFind(PropFind $propFind, INode $node) {
+
+		$ns = '{http://nextcloud.com/ns}';
+
+		if ($node instanceof Card) {
+			$propFind->handle($ns . 'has-photo', function () use ($node) {
+				$vcard = Reader::read($node->get());
+				return ($vcard instanceof VCard && $vcard->PHOTO);
+			});
+		}
+	}
+
+	/**
+	 * Returns a plugin name.
+	 *
+	 * Using this name other plugins will be able to access other plugins
+	 * using \Sabre\DAV\Server::getPlugin
+	 *
+	 * @return string
+	 */
+	public function getPluginName() {
+		return 'vcard-has-photo';
+	}
+
+	/**
+	 * Returns a bunch of meta-data about the plugin.
+	 *
+	 * Providing this information is optional, and is mainly displayed by the
+	 * Browser plugin.
+	 *
+	 * The description key in the returned array may contain html and will not
+	 * be sanitized.
+	 *
+	 * @return array
+	 */
+	public function getPluginInfo() {
+		return [
+			'name'        => $this->getPluginName(),
+			'description' => 'Return a boolean stating if the vcard have a photo property set or not.'
+		];
+
+	}
+
+}

apps/dav/lib/Server.php

@@ -35,6 +35,7 @@ namespace OCA\DAV;
 use OCA\DAV\CalDAV\BirthdayService;
 use OCA\DAV\CardDAV\ImageExportPlugin;
 use OCA\DAV\CardDAV\MultiGetExportPlugin;
+use OCA\DAV\CardDAV\HasPhotoPlugin;
 use OCA\DAV\CardDAV\PhotoCache;
 use OCA\DAV\Comments\CommentsPlugin;
 use OCA\DAV\Connector\Sabre\Auth;
@@ -169,6 +170,7 @@ class Server {
 			$this->server->addPlugin(new \OCA\DAV\CardDAV\Plugin());
 			$this->server->addPlugin(new VCFExportPlugin());
 			$this->server->addPlugin(new MultiGetExportPlugin());
+			$this->server->addPlugin(new HasPhotoPlugin());
 			$this->server->addPlugin(new ImageExportPlugin(new PhotoCache(
 				\OC::$server->getAppDataDir('dav-photocache'),
 				\OC::$server->getLogger())