Move dav app to PSR-4 (#24527)

* Move Application to correct namespace and PSR-4 it

* Move dav app to PSR-4

1 files changed, 171 insertions, 0 deletions

diff --git a/apps/dav/lib/CalDAV/Calendar.php b/apps/dav/lib/CalDAV/Calendar.php
new file mode 100644
index 00000000000..f3637692e43
--- /dev/null
+++ b/apps/dav/lib/CalDAV/Calendar.php
@@ -0,0 +1,171 @@
+<?php
+/**
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @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 OCA\DAV\CalDAV;
+
+use OCA\DAV\DAV\Sharing\IShareable;
+use OCP\IL10N;
+use Sabre\CalDAV\Backend\BackendInterface;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\PropPatch;
+
+class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
+
+	public function __construct(BackendInterface $caldavBackend, $calendarInfo, IL10N $l10n) {
+		parent::__construct($caldavBackend, $calendarInfo);
+
+		if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
+			$this->calendarInfo['{DAV:}displayname'] = $l10n->t('Contact birthdays');
+		}
+	}
+
+	/**
+	 * Updates the list of shares.
+	 *
+	 * The first array is a list of people that are to be added to the
+	 * resource.
+	 *
+	 * Every element in the add array has the following properties:
+	 *   * href - A url. Usually a mailto: address
+	 *   * commonName - Usually a first and last name, or false
+	 *   * summary - A description of the share, can also be false
+	 *   * readOnly - A boolean value
+	 *
+	 * Every element in the remove array is just the address string.
+	 *
+	 * @param array $add
+	 * @param array $remove
+	 * @return void
+	 */
+	function updateShares(array $add, array $remove) {
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		$calDavBackend->updateShares($this, $add, $remove);
+	}
+
+	/**
+	 * Returns the list of people whom this resource is shared with.
+	 *
+	 * Every element in this array should have the following properties:
+	 *   * href - Often a mailto: address
+	 *   * commonName - Optional, for example a first + last name
+	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+	 *   * readOnly - boolean
+	 *   * summary - Optional, a description for the share
+	 *
+	 * @return array
+	 */
+	function getShares() {
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		return $calDavBackend->getShares($this->getResourceId());
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getResourceId() {
+		return $this->calendarInfo['id'];
+	}
+
+	function getACL() {
+		$acl =  [
+			[
+				'privilege' => '{DAV:}read',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			]];
+		if ($this->getName() !== BirthdayService::BIRTHDAY_CALENDAR_URI) {
+			$acl[] = [
+				'privilege' => '{DAV:}write',
+				'principal' => $this->getOwner(),
+				'protected' => true,
+			];
+		}
+		if ($this->getOwner() !== parent::getOwner()) {
+			$acl[] =  [
+					'privilege' => '{DAV:}read',
+					'principal' => parent::getOwner(),
+					'protected' => true,
+				];
+			if ($this->canWrite()) {
+				$acl[] = [
+					'privilege' => '{DAV:}write',
+					'principal' => parent::getOwner(),
+					'protected' => true,
+				];
+			}
+		}
+
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		return $calDavBackend->applyShareAcl($this->getResourceId(), $acl);
+	}
+
+	function getChildACL() {
+		return $this->getACL();
+	}
+
+	function getOwner() {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
+		}
+		return parent::getOwner();
+	}
+
+	function delete() {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+			$principal = 'principal:' . parent::getOwner();
+			$shares = $this->getShares();
+			$shares = array_filter($shares, function($share) use ($principal){
+				return $share['href'] === $principal;
+			});
+			if (empty($shares)) {
+				throw new Forbidden();
+			}
+
+			/** @var CalDavBackend $calDavBackend */
+			$calDavBackend = $this->caldavBackend;
+			$calDavBackend->updateShares($this, [], [
+				'href' => $principal
+			]);
+			return;
+		}
+		parent::delete();
+	}
+
+	function propPatch(PropPatch $propPatch) {
+		$mutations = $propPatch->getMutations();
+		// If this is a shared calendar, the user can only change the enabled property, to hide it.
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) && (sizeof($mutations) !== 1 || !isset($mutations['{http://owncloud.org/ns}calendar-enabled']))) {
+			throw new Forbidden();
+		}
+		parent::propPatch($propPatch);
+	}
+
+	private function canWrite() {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) {
+			return !$this->calendarInfo['{http://owncloud.org/ns}read-only'];
+		}
+		return true;
+	}
+
+}