Move more from \OC to PSR-4

* \OC\OCSClient
* \OC\Preview
* \OC\PreviewManager
* \OC\Repair
* \OC\RepairException
* \OC\Search
* \OC\ServerContainer
* \OC\ServerNotAvailableException
* \OC\ServiceUnavailableException
* \OC\Setup
* \OC\Streamer
* \OC\SubAdmin
* \OC\SystemConfig
* \OC\TagManager
* \OC\Tags
* \OC\TempManager
* \OC\TemplateLayout
* \OC\URLGenerator
* \OC\Updater

1 files changed, 287 insertions, 0 deletions

diff --git a/lib/private/SubAdmin.php b/lib/private/SubAdmin.php
new file mode 100644
index 00000000000..34dd40c22ff
--- /dev/null
+++ b/lib/private/SubAdmin.php
@@ -0,0 +1,287 @@
+<?php
+/**
+ * @author Arthur Schiwon <blizzz@owncloud.com>
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author Georg Ehrke <georg@owncloud.com>
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ *
+ * @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 OC;
+
+use OC\Hooks\PublicEmitter;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IDBConnection;
+
+class SubAdmin extends PublicEmitter {
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var IGroupManager */
+	private $groupManager;
+
+	/** @var IDBConnection */
+	private $dbConn;
+
+	/**
+	 * @param IUserManager $userManager
+	 * @param IGroupManager $groupManager
+	 * @param IDBConnection $dbConn
+	 */
+	public function __construct(IUserManager $userManager,
+	                            IGroupManager $groupManager,
+								IDBConnection $dbConn) {
+		$this->userManager = $userManager;
+		$this->groupManager = $groupManager;
+		$this->dbConn = $dbConn;
+
+		$this->userManager->listen('\OC\User', 'postDelete', function($user) {
+			$this->post_deleteUser($user);
+		});
+		$this->groupManager->listen('\OC\Group', 'postDelete', function($group) {
+			$this->post_deleteGroup($group);	
+		});
+	}
+
+	/**
+	 * add a SubAdmin
+	 * @param IUser $user user to be SubAdmin
+	 * @param IGroup $group group $user becomes subadmin of
+	 * @return bool
+	 */
+	public function createSubAdmin(IUser $user, IGroup $group) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('group_admin')
+			->values([
+				'gid' => $qb->createNamedParameter($group->getGID()),
+				'uid' => $qb->createNamedParameter($user->getUID())
+			])
+			->execute();
+
+		$this->emit('\OC\SubAdmin', 'postCreateSubAdmin', [$user, $group]);
+		\OC_Hook::emit("OC_SubAdmin", "post_createSubAdmin", ["gid" => $group->getGID()]);
+		return true;
+	}
+
+	/**
+	 * delete a SubAdmin
+	 * @param IUser $user the user that is the SubAdmin
+	 * @param IGroup $group the group
+	 * @return bool
+	 */
+	public function deleteSubAdmin(IUser $user, IGroup $group) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->delete('group_admin')
+			->where($qb->expr()->eq('gid', $qb->createNamedParameter($group->getGID())))
+			->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
+			->execute();
+
+		$this->emit('\OC\SubAdmin', 'postDeleteSubAdmin', [$user, $group]);
+		\OC_Hook::emit("OC_SubAdmin", "post_deleteSubAdmin", ["gid" => $group->getGID()]);
+		return true;
+	}
+
+	/**
+	 * get groups of a SubAdmin
+	 * @param IUser $user the SubAdmin
+	 * @return IGroup[]
+	 */
+	public function getSubAdminsGroups(IUser $user) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$result = $qb->select('gid')
+			->from('group_admin')
+			->where($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
+			->execute();
+
+		$groups = [];
+		while($row = $result->fetch()) {
+			$group = $this->groupManager->get($row['gid']);
+			if(!is_null($group)) {
+				$groups[] = $group;
+			}
+		}
+		$result->closeCursor();
+
+		return $groups;
+	}
+
+	/**
+	 * get SubAdmins of a group
+	 * @param IGroup $group the group
+	 * @return IUser[]
+	 */
+	public function getGroupsSubAdmins(IGroup $group) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$result = $qb->select('uid')
+			->from('group_admin')
+			->where($qb->expr()->eq('gid', $qb->createNamedParameter($group->getGID())))
+			->execute();
+
+		$users = [];
+		while($row = $result->fetch()) {
+			$user = $this->userManager->get($row['uid']);
+			if(!is_null($user)) {
+				$users[] = $user;
+			}
+		}
+		$result->closeCursor();
+
+		return $users;
+	}
+
+	/**
+	 * get all SubAdmins
+	 * @return array
+	 */
+	public function getAllSubAdmins() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$result = $qb->select('*')
+			->from('group_admin')
+			->execute();
+
+		$subadmins = [];
+		while($row = $result->fetch()) {
+			$user = $this->userManager->get($row['uid']);
+			$group = $this->groupManager->get($row['gid']);
+			if(!is_null($user) && !is_null($group)) {
+				$subadmins[] = [
+					'user'  => $user,
+					'group' => $group
+				];
+			}
+		}
+		$result->closeCursor();
+
+		return $subadmins;
+	}
+
+	/**
+	 * checks if a user is a SubAdmin of a group
+	 * @param IUser $user 
+	 * @param IGroup $group
+	 * @return bool
+	 */
+	public function isSubAdminofGroup(IUser $user, IGroup $group) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		/*
+		 * Primary key is ('gid', 'uid') so max 1 result possible here
+		 */
+		$result = $qb->select('*')
+			->from('group_admin')
+			->where($qb->expr()->eq('gid', $qb->createNamedParameter($group->getGID())))
+			->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
+			->execute();
+
+		$fetch =  $result->fetch();
+		$result->closeCursor();
+		$result = !empty($fetch) ? true : false;
+
+		return $result;
+	}
+
+	/**
+	 * checks if a user is a SubAdmin
+	 * @param IUser $user 
+	 * @return bool
+	 */
+	public function isSubAdmin(IUser $user) {
+		// Check if the user is already an admin
+		if ($this->groupManager->isAdmin($user->getUID())) {
+			return true;
+		}
+
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$result = $qb->select('gid')
+			->from('group_admin')
+			->andWhere($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
+			->setMaxResults(1)
+			->execute();
+
+		$isSubAdmin = $result->fetch();
+		$result->closeCursor();
+
+		$result = $isSubAdmin === false ? false : true;
+
+		return $result;
+	}
+
+	/**
+	 * checks if a user is a accessible by a subadmin
+	 * @param IUser $subadmin
+	 * @param IUser $user
+	 * @return bool
+	 */
+	public function isUserAccessible($subadmin, $user) {
+		if(!$this->isSubAdmin($subadmin)) {
+			return false;
+		}
+		if($this->groupManager->isAdmin($user->getUID())) {
+			return false;
+		}
+		$accessibleGroups = $this->getSubAdminsGroups($subadmin);
+		foreach($accessibleGroups as $accessibleGroup) {
+			if($accessibleGroup->inGroup($user)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * delete all SubAdmins by $user
+	 * @param IUser $user
+	 * @return boolean
+	 */
+	private function post_deleteUser($user) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->delete('group_admin')
+			->where($qb->expr()->eq('uid', $qb->createNamedParameter($user->getUID())))
+			->execute();
+
+		return true;
+	}
+
+	/**
+	 * delete all SubAdmins by $group
+	 * @param IGroup $group
+	 * @return boolean
+	 */
+	private function post_deleteGroup($group) {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->delete('group_admin')
+			->where($qb->expr()->eq('gid', $qb->createNamedParameter($group->getGID())))
+			->execute();
+
+		return true;
+	}
+}