From bf1253cb49a4931244a6bbde4dfa44bf084f4377 Mon Sep 17 00:00:00 2001
From: Michael Weimann <mail@michael-weimann.eu>
Date: Sun, 20 Jan 2019 11:13:41 +0100
Subject: Implement guest avatar endpoint

Signed-off-by: Michael Weimann <mail@michael-weimann.eu>
---
 lib/private/Avatar/AvatarManager.php | 133 +++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 lib/private/Avatar/AvatarManager.php

(limited to 'lib/private/Avatar/AvatarManager.php')

diff --git a/lib/private/Avatar/AvatarManager.php b/lib/private/Avatar/AvatarManager.php
new file mode 100644
index 00000000000..567ed3aec1e
--- /dev/null
+++ b/lib/private/Avatar/AvatarManager.php
@@ -0,0 +1,133 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ * @author Lukas Reschke <lukas@statuscode.ch>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Robin Appelman <robin@icewind.nl>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC\Avatar;
+
+use OC\User\Manager;
+use OCP\Files\IAppData;
+use OCP\Files\NotFoundException;
+use OCP\IAvatar;
+use OCP\IAvatarManager;
+use OCP\IConfig;
+use OCP\ILogger;
+use OCP\IL10N;
+
+/**
+ * This class implements methods to access Avatar functionality
+ */
+class AvatarManager implements IAvatarManager {
+
+	/** @var Manager */
+	private $userManager;
+
+	/** @var IAppData */
+	private $appData;
+
+	/** @var IL10N */
+	private $l;
+
+	/** @var ILogger  */
+	private $logger;
+
+	/** @var IConfig */
+	private $config;
+
+	/**
+	 * AvatarManager constructor.
+	 *
+	 * @param Manager $userManager
+	 * @param IAppData $appData
+	 * @param IL10N $l
+	 * @param ILogger $logger
+	 * @param IConfig $config
+	 */
+	public function __construct(
+			Manager $userManager,
+			IAppData $appData,
+			IL10N $l,
+			ILogger $logger,
+			IConfig $config) {
+		$this->userManager = $userManager;
+		$this->appData = $appData;
+		$this->l = $l;
+		$this->logger = $logger;
+		$this->config = $config;
+	}
+
+	/**
+	 * return a user specific instance of \OCP\IAvatar
+	 * @see \OCP\IAvatar
+	 * @param string $userId the ownCloud user id
+	 * @return \OCP\IAvatar
+	 * @throws \Exception In case the username is potentially dangerous
+	 * @throws NotFoundException In case there is no user folder yet
+	 */
+	public function getAvatar(string $userId) : IAvatar {
+		$user = $this->userManager->get($userId);
+		if ($user === null) {
+			throw new \Exception('user does not exist');
+		}
+
+		// sanitize userID - fixes casing issue (needed for the filesystem stuff that is done below)
+		$userId = $user->getUID();
+
+		try {
+			$folder = $this->appData->getFolder($userId);
+		} catch (NotFoundException $e) {
+			$folder = $this->appData->newFolder($userId);
+		}
+
+		return new UserAvatar($folder, $this->l, $user, $this->logger, $this->config);
+	}
+
+	/**
+	 * Clear generated avatars
+	 */
+	public function clearCachedAvatars() {
+		$users = $this->config->getUsersForUserValue('avatar', 'generated', 'true');
+		foreach($users as $userId) {
+			try {
+				$folder = $this->appData->getFolder($userId);
+				$folder->delete();
+			} catch (NotFoundException $e) {
+				$this->logger->debug("No cache for the user $userId. Ignoring...");
+			}
+			$this->config->setUserValue($userId, 'avatar', 'generated', 'false');
+		}
+	}
+
+	/**
+	 * Returns a GuestAvatar.
+	 *
+	 * @param string $name The guest name, e.g. "Albert".
+	 * @return IAvatar
+	 */
+	public function getGuestAvatar(string $name): IAvatar {
+		return new GuestAvatar($name, $this->logger);
+	}
+}
-- 
cgit v1.2.3