listen to trash bin and group manager hooks

8 files changed, 854 insertions, 0 deletions

diff --git a/apps/admin_audit/lib/actions/action.php b/apps/admin_audit/lib/actions/action.php
new file mode 100644
index 00000000000..6aafacc6189
--- /dev/null
+++ b/apps/admin_audit/lib/actions/action.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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\Admin_Audit\Actions;
+
+use OCP\ILogger;
+
+class Action {
+	/** @var ILogger */
+	private $logger;
+
+	/**
+	 * @param ILogger $logger
+	 */
+	public function __construct(ILogger $logger) {
+		$this->logger = $logger;
+	}
+
+	/**
+	 * Log a single action with a log level of info
+	 *
+	 * @param string $text
+	 * @param array $params
+	 * @param array $elements
+	 */
+	public function log($text,
+						array $params,
+						array $elements) {
+		foreach($elements as $element) {
+			if(!isset($params[$element])) {
+				$this->logger->critical(
+					sprintf(
+						'$params["'.$element.'"] was missing. Transferred value: %s',
+						print_r($params, true)
+					)
+				);
+				return;
+			}
+		}
+
+		$replaceArray = [];
+		foreach($elements as $element) {
+			if($params[$element] instanceof \DateTime) {
+				$params[$element] = $params[$element]->format('Y-m-d H:i:s');
+			}
+			$replaceArray[] = $params[$element];
+		}
+
+		$this->logger->info(
+			vsprintf(
+				$text,
+				$replaceArray
+			),
+			[
+				'app' => 'admin_audit'
+			]
+		);
+	}
+}
diff --git a/apps/admin_audit/lib/actions/auth.php b/apps/admin_audit/lib/actions/auth.php
new file mode 100644
index 00000000000..4061ca89c4b
--- /dev/null
+++ b/apps/admin_audit/lib/actions/auth.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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\Admin_Audit\Actions;
+
+/**
+ * Class Auth logs all auth related actions
+ *
+ * @package OCA\Admin_Audit\Actions
+ */
+class Auth extends Action {
+	public function loginAttempt(array $params) {
+		$this->log(
+			'Login attempt: "%s"',
+			$params,
+			[
+				'uid',
+			]
+		);
+	}
+
+	public function loginSuccessful(array $params) {
+		$this->log(
+			'Login successful: "%s"',
+			$params,
+			[
+				'uid',
+			]
+		);
+	}
+
+	public function logout(array $params) {
+		$this->log(
+			'Logout occurred',
+			[],
+			[]
+		);
+	}
+}
diff --git a/apps/admin_audit/lib/actions/files.php b/apps/admin_audit/lib/actions/files.php
new file mode 100644
index 00000000000..46da0ade6bb
--- /dev/null
+++ b/apps/admin_audit/lib/actions/files.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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\Admin_Audit\Actions;
+
+/**
+ * Class Files logs the actions to files
+ *
+ * @package OCA\Admin_Audit\Actions
+ */
+class Files extends Action {
+	/**
+	 * Logs file read actions
+	 *
+	 * @param array $params
+	 */
+	public function read(array $params) {
+		$this->log(
+			'File accessed: "%s"',
+			$params,
+			[
+				'path',
+			]
+		);
+	}
+
+	/**
+	 * Logs rename actions of files
+	 *
+	 * @param array $params
+	 */
+	public function rename(array $params) {
+		$this->log(
+			'File renamed: "%s" to "%s"',
+			$params,
+			[
+				'oldpath',
+				'newpath',
+			]
+		);
+	}
+
+	/**
+	 * Logs creation of files
+	 *
+	 * @param array $params
+	 */
+	public function create(array $params) {
+		$this->log(
+			'File created: "%s"',
+			$params,
+			[
+				'path',
+			]
+		);
+	}
+
+	/**
+	 * Logs copying of files
+	 *
+	 * @param array $params
+	 */
+	public function copy(array $params) {
+		$this->log(
+			'File copied: "%s" to "%s"',
+			$params,
+			[
+				'oldpath',
+				'newpath',
+			]
+		);
+	}
+
+	/**
+	 * Logs writing of files
+	 *
+	 * @param array $params
+	 */
+	public function write(array $params) {
+		$this->log(
+			'File written to: "%s"',
+			$params,
+			[
+				'path',
+			]
+		);
+	}
+
+	/**
+	 * Logs update of files
+	 *
+	 * @param array $params
+	 */
+	public function update(array $params) {
+		$this->log(
+			'File updated: "%s"',
+			$params,
+			[
+				'path',
+			]
+		);
+	}
+
+	/**
+	 * Logs deletions of files
+	 *
+	 * @param array $params
+	 */
+	public function delete(array $params) {
+		$this->log(
+			'File deleted: "%s"',
+			$params,
+			[
+				'path',
+			]
+		);
+	}
+}
diff --git a/apps/admin_audit/lib/actions/groupmanagement.php b/apps/admin_audit/lib/actions/groupmanagement.php
new file mode 100644
index 00000000000..4ece8994f39
--- /dev/null
+++ b/apps/admin_audit/lib/actions/groupmanagement.php
@@ -0,0 +1,73 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
+ *
+ * @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\Admin_Audit\Actions;
+
+
+use OCA\Admin_Audit\Actions\Action;
+use OCP\IGroup;
+use OCP\IUser;
+
+/**
+ * Class GroupManagement logs all group manager related events
+ *
+ * @package OCA\Admin_Audit
+ */
+class GroupManagement extends Action {
+
+	/**
+	 * log add user to group event
+	 *
+	 * @param IGroup $group
+	 * @param IUser $user
+	 */
+	public function addUser(IGroup $group, IUser $user) {
+		$this->log('User "%s" added to group "%s"',
+			[
+				'group' => $group->getGID(),
+				'user' => $user->getUID()
+			],
+			[
+				'user', 'group'
+			]
+		);
+	}
+
+	/**
+	 * log remove user from group event
+	 *
+	 * @param IGroup $group
+	 * @param IUser $user
+	 */
+	public function removeUser(IGroup $group, IUser $user) {
+		$this->log('User "%s" removed from group "%s"',
+			[
+				'group' => $group->getGID(),
+				'user' => $user->getUID()
+			],
+			[
+				'user', 'group'
+			]
+		);
+	}
+
+}
diff --git a/apps/admin_audit/lib/actions/sharing.php b/apps/admin_audit/lib/actions/sharing.php
new file mode 100644
index 00000000000..5f263748465
--- /dev/null
+++ b/apps/admin_audit/lib/actions/sharing.php
@@ -0,0 +1,189 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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\Admin_Audit\Actions;
+use OCP\Share;
+
+/**
+ * Class Sharing logs the sharing actions
+ *
+ * @package OCA\Admin_Audit\Actions
+ */
+class Sharing extends Action {
+	/**
+	 * Logs sharing of data
+	 *
+	 * @param array $params
+	 */
+	public function shared(array $params) {
+		if($params['shareType'] === Share::SHARE_TYPE_LINK) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been shared via link with permissions "%s" (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'itemTarget',
+					'itemSource',
+					'permissions',
+					'id',
+				]
+			);
+		} elseif($params['shareType'] === Share::SHARE_TYPE_USER) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been shared to the user "%s" with permissions "%s"  (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'itemTarget',
+					'itemSource',
+					'shareWith',
+					'permissions',
+					'id',
+				]
+			);
+		} elseif($params['shareType'] === Share::SHARE_TYPE_GROUP) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been shared to the group "%s" with permissions "%s"  (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'itemTarget',
+					'itemSource',
+					'shareWith',
+					'permissions',
+					'id',
+				]
+			);
+		}
+	}
+
+	/**
+	 * Logs unsharing of data
+	 *
+	 * @param array $params
+	 */
+	public function unshare(array $params) {
+		if($params['shareType'] === Share::SHARE_TYPE_LINK) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been unshared (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'fileTarget',
+					'itemSource',
+					'id',
+				]
+			);
+		} elseif($params['shareType'] === Share::SHARE_TYPE_USER) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been unshared from the user "%s" (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'fileTarget',
+					'itemSource',
+					'shareWith',
+					'id',
+				]
+			);
+		} elseif($params['shareType'] === Share::SHARE_TYPE_GROUP) {
+			$this->log(
+				'The %s "%s" with ID "%s" has been unshared from the group "%s" (Share ID: %s)',
+				$params,
+				[
+					'itemType',
+					'fileTarget',
+					'itemSource',
+					'shareWith',
+					'id',
+				]
+			);
+		}
+	}
+
+	/**
+	 * Logs the updating of permission changes for shares
+	 *
+	 * @param array $params
+	 */
+	public function updatePermissions(array $params) {
+		$this->log(
+			'The permissions of the shared %s "%s" with ID "%s" have been changed to "%s"',
+			$params,
+			[
+				'itemType',
+				'path',
+				'itemSource',
+				'permissions',
+			]
+		);
+	}
+
+	/**
+	 * Logs the password changes for a share
+	 *
+	 * @param array $params
+	 */
+	public function updatePassword(array $params) {
+		$this->log(
+			'The password of the publicly shared %s "%s" with ID "%s" has been changed',
+			$params,
+			[
+				'itemType',
+				'token',
+				'itemSource',
+			]
+		);
+	}
+
+	/**
+	 * Logs the expiration date changes for a share
+	 *
+	 * @param array $params
+	 */
+	public function updateExpirationDate(array $params) {
+		$this->log(
+			'The expiration date of the publicly shared %s with ID "%s" has been changed to "%s"',
+			$params,
+			[
+				'itemType',
+				'itemSource',
+				'date',
+			]
+		);
+	}
+
+	/**
+	 * Logs access of shared files
+	 *
+	 * @param array $params
+	 */
+	public function shareAccessed(array $params) {
+		$this->log(
+			'The shared %s with the token "%s" by "%s" has been accessed.',
+			$params,
+			[
+				'itemType',
+				'token',
+				'uidOwner',
+			]
+		);
+	}
+}
diff --git a/apps/admin_audit/lib/actions/trashbin.php b/apps/admin_audit/lib/actions/trashbin.php
new file mode 100644
index 00000000000..2cd3189d064
--- /dev/null
+++ b/apps/admin_audit/lib/actions/trashbin.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
+ *
+ * @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\Admin_Audit\Actions;
+
+
+use OCP\ILogger;
+use OCP\IUserSession;
+
+class Trashbin extends Action {
+
+	/** @var IUserSession */
+	private $userSession;
+
+	/**
+	 * Trashbin constructor.
+	 *
+	 * @param ILogger $logger
+	 * @param IUserSession $userSession
+	 */
+	public function __construct(ILogger $logger, IUserSession $userSession) {
+		parent::__construct($logger);
+		$this->userSession = $userSession;
+	}
+
+	public function delete($params) {
+		$this->log('File "%s" deleted from trash bin by "%s"',
+			[
+				'path' => $params['path'],
+				'user' => $this->userSession->getUser()->getUID()
+			],
+			[
+				'path', 'user'
+			]
+		);
+	}
+
+	public function restore($params) {
+		$this->log('File "%s" restored from trash bin by "%s"',
+			[
+				'path' => $params['filePath'],
+				'user' => $this->userSession->getUser()->getUID()
+			],
+			[
+				'path', 'user'
+			]
+		);
+	}
+
+}
diff --git a/apps/admin_audit/lib/actions/usermanagement.php b/apps/admin_audit/lib/actions/usermanagement.php
new file mode 100644
index 00000000000..5005d150961
--- /dev/null
+++ b/apps/admin_audit/lib/actions/usermanagement.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @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\Admin_Audit\Actions;
+use OCP\IUser;
+
+/**
+ * Class UserManagement logs all user management related actions.
+ *
+ * @package OCA\Admin_Audit\Actions
+ */
+class UserManagement extends Action {
+	/**
+	 * Log creation of users
+	 *
+	 * @param array $params
+	 */
+	public function create(array $params) {
+		$this->log(
+			'User created: "%s"',
+			$params,
+			[
+				'uid',
+			]
+		);
+	}
+
+	/**
+	 * Log deletion of users
+	 *
+	 * @param array $params
+	 */
+	public function delete(array $params) {
+		$this->log(
+			'User deleted: "%s"',
+			$params,
+			[
+				'uid',
+			]
+		);
+	}
+
+	/**
+	 * Logs changing of the user scope
+	 *
+	 * @param IUser $user
+	 */
+	public function setPassword(IUser $user) {
+		if($user->getBackendClassName() === 'Database') {
+			$this->log(
+				'Password of user "%s" has been changed',
+				[
+					'user' => $user->getUID(),
+				],
+				[
+					'user',
+				]
+			);
+		}
+	}
+}
diff --git a/apps/admin_audit/lib/auditlogger.php b/apps/admin_audit/lib/auditlogger.php
new file mode 100644
index 00000000000..e3cfd42f5d0
--- /dev/null
+++ b/apps/admin_audit/lib/auditlogger.php
@@ -0,0 +1,178 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
+ *
+ * @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\Admin_Audit;
+
+
+use OC\Files\Filesystem;
+use OCA\Admin_Audit\Actions\Auth;
+use OCA\Admin_Audit\Actions\Files;
+use OCA\Admin_Audit\Actions\GroupManagement;
+use OCA\Admin_Audit\Actions\Sharing;
+use OCA\Admin_Audit\Actions\Trashbin;
+use OCA\Admin_Audit\Actions\UserManagement;
+use OCP\IGroupManager;
+use OCP\ILogger;
+use OCP\IUserSession;
+use OCP\Util;
+
+class AuditLogger {
+
+	/** @var ILogger */
+	private $logger;
+
+	/** @var IUserSession */
+	private $userSession;
+	
+	/** @var IGroupManager */
+	private $groupManager;
+
+	/**
+	 * AuditLogger constructor.
+	 *
+	 * @param ILogger $logger
+	 * @param IUserSession $userSession
+	 * @param IGroupManager $groupManager
+	 */
+	public function __construct(ILogger $logger,
+								IUserSession $userSession, 
+								IGroupManager $groupManager) {
+		$this->logger = $logger;
+		$this->userSession = $userSession;
+		$this->groupManager = $groupManager;
+	}
+
+	/**
+	 * register hooks in order to log them
+	 */
+	public function registerHooks() {
+		$this->userManagementHooks();
+		$this->groupHooks();
+		$this->sharingHooks();
+		$this->authHooks();
+		$this->fileHooks();
+		$this->trashbinHooks();
+	}
+
+	/**
+	 * connect to user management hooks
+	 */
+	private function userManagementHooks() {
+		$userActions = new UserManagement($this->logger);
+
+		Util::connectHook('OC_User', 'post_createUser',	$userActions, 'create');
+		Util::connectHook('OC_User', 'post_deleteUser',	$userActions, 'delete');
+		$this->userSession->listen('\OC\User', 'postSetPassword', [$userActions, 'setPassword']);
+	}
+	
+	private function groupHooks()  {
+		$groupActions = new GroupManagement($this->logger);
+		$this->groupManager->listen('\OC\Group', 'postRemoveUser',  [$groupActions, 'removeUser']);
+		$this->groupManager->listen('\OC\Group', 'postAddUser',  [$groupActions, 'addUser']);
+	}
+
+	/**
+	 * connect to sharing events
+	 */
+	private function sharingHooks() {
+		$shareActions = new Sharing($this->logger);
+
+		Util::connectHook('OCP\Share', 'post_shared', $shareActions, 'shared');
+		Util::connectHook('OCP\Share', 'post_unshare', $shareActions, 'unshare');
+		Util::connectHook('OCP\Share', 'post_update_permissions', $shareActions, 'updatePermissions');
+		Util::connectHook('OCP\Share', 'post_update_password', $shareActions, 'updatePassword');
+		Util::connectHook('OCP\Share', 'post_set_expiration_date', $shareActions, 'updateExpirationDate');
+		Util::connectHook('OCP\Share', 'share_link_access', $shareActions, 'shareAccessed');
+	}
+
+	/**
+	 * connect to authentication event and related actions
+	 */
+	private function authHooks() {
+		$authActions = new Auth($this->logger);
+
+		Util::connectHook('OC_User', 'pre_login', $authActions, 'loginAttempt');
+		Util::connectHook('OC_User', 'post_login', $authActions, 'loginSuccessful');
+		Util::connectHook('OC_User', 'logout', $authActions, 'logout');
+	}
+
+
+	/**
+	 * connect to file hooks
+	 */
+	private function fileHooks() {
+		$fileActions = new Files($this->logger);
+
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_post_rename,
+			$fileActions,
+			'rename'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_post_create,
+			$fileActions,
+			'create'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_post_copy,
+			$fileActions,
+			'copy'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_post_write,
+			$fileActions,
+			'write'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_post_update,
+			$fileActions,
+			'update'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_read,
+			$fileActions,
+			'read'
+		);
+		Util::connectHook(
+			Filesystem::CLASSNAME,
+			Filesystem::signal_delete,
+			$fileActions,
+			'delete'
+		);
+	}
+
+	/**
+	 * connect to trash bin hooks
+	 */
+	private function trashbinHooks() {
+		$trashActions = new Trashbin($this->logger, $this->userSession);
+		Util::connectHook('\OCP\Trashbin', 'preDelete', $trashActions, 'delete');
+		Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', $trashActions, 'restore');
+	}
+
+}