nextcloud / server

lib/private/Collaboration/Collaborators/UserPlugin.php

Indentation +122 added lines, -122 removed lines

@@ -35,126 +35,126 @@
 use OCP\Share;
 
 class UserPlugin implements ISearchPlugin {
-	/* @var bool */
-	protected $shareWithGroupOnly;
-	protected $shareeEnumeration;
-
-	/** @var IConfig */
-	private $config;
-	/** @var IGroupManager */
-	private $groupManager;
-	/** @var IUserSession */
-	private $userSession;
-	/** @var IUserManager */
-	private $userManager;
-
-	public function __construct(IConfig $config, IUserManager $userManager, IGroupManager $groupManager, IUserSession $userSession) {
-		$this->config = $config;
-
-		$this->groupManager = $groupManager;
-		$this->userSession = $userSession;
-		$this->userManager = $userManager;
-
-		$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
-		$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
-	}
-
-	public function search($search, $limit, $offset, ISearchResult $searchResult) {
-		$result = ['wide' => [], 'exact' => []];
-		$users = [];
-		$hasMoreResults = false;
-
-		$userGroups = [];
-		if ($this->shareWithGroupOnly) {
-			// Search in all the groups this user is part of
-			$userGroups = $this->groupManager->getUserGroupIds($this->userSession->getUser());
-			foreach ($userGroups as $userGroup) {
-				$usersTmp = $this->groupManager->displayNamesInGroup($userGroup, $search, $limit, $offset);
-				foreach ($usersTmp as $uid => $userDisplayName) {
-					$users[$uid] = $userDisplayName;
-				}
-			}
-		} else {
-			// Search in all users
-			$usersTmp = $this->userManager->searchDisplayName($search, $limit, $offset);
-
-			foreach ($usersTmp as $user) {
-				$users[$user->getUID()] = $user->getDisplayName();
-			}
-		}
-
-		$this->takeOutCurrentUser($users);
-
-		if (!$this->shareeEnumeration || sizeof($users) < $limit) {
-			$hasMoreResults = true;
-		}
-
-		$foundUserById = false;
-		$lowerSearch = strtolower($search);
-		foreach ($users as $uid => $userDisplayName) {
-			if (strtolower($uid) === $lowerSearch || strtolower($userDisplayName) === $lowerSearch) {
-				if (strtolower($uid) === $lowerSearch) {
-					$foundUserById = true;
-				}
-				$result['exact'][] = [
-					'label' => $userDisplayName,
-					'value' => [
-						'shareType' => Share::SHARE_TYPE_USER,
-						'shareWith' => $uid,
-					],
-				];
-			} else {
-				$result['wide'][] = [
-					'label' => $userDisplayName,
-					'value' => [
-						'shareType' => Share::SHARE_TYPE_USER,
-						'shareWith' => $uid,
-					],
-				];
-			}
-		}
-
-		if ($offset === 0 && !$foundUserById) {
-			// On page one we try if the search result has a direct hit on the
-			// user id and if so, we add that to the exact match list
-			$user = $this->userManager->get($search);
-			if ($user instanceof IUser) {
-				$addUser = true;
-
-				if ($this->shareWithGroupOnly) {
-					// Only add, if we have a common group
-					$commonGroups = array_intersect($userGroups, $this->groupManager->getUserGroupIds($user));
-					$addUser = !empty($commonGroups);
-				}
-
-				if ($addUser) {
-					$result['exact'][] = [
-						'label' => $user->getDisplayName(),
-						'value' => [
-							'shareType' => Share::SHARE_TYPE_USER,
-							'shareWith' => $user->getUID(),
-						],
-					];
-				}
-			}
-		}
-
-		if (!$this->shareeEnumeration) {
-			$result['wide'] = [];
-		}
-
-		$type = new SearchResultType('users');
-		$searchResult->addResultSet($type, $result['wide'], $result['exact']);
-
-		return $hasMoreResults;
-	}
-
-	public function takeOutCurrentUser(array &$users) {
-		$currentUser = $this->userSession->getUser();
-		if(!is_null($currentUser)) {
-			if (isset($users[$currentUser->getUID()])) {
-				unset($users[$currentUser->getUID()]);
-			}
-		}
-	}
+    /* @var bool */
+    protected $shareWithGroupOnly;
+    protected $shareeEnumeration;
+
+    /** @var IConfig */
+    private $config;
+    /** @var IGroupManager */
+    private $groupManager;
+    /** @var IUserSession */
+    private $userSession;
+    /** @var IUserManager */
+    private $userManager;
+
+    public function __construct(IConfig $config, IUserManager $userManager, IGroupManager $groupManager, IUserSession $userSession) {
+        $this->config = $config;
+
+        $this->groupManager = $groupManager;
+        $this->userSession = $userSession;
+        $this->userManager = $userManager;
+
+        $this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
+        $this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
+    }
+
+    public function search($search, $limit, $offset, ISearchResult $searchResult) {
+        $result = ['wide' => [], 'exact' => []];
+        $users = [];
+        $hasMoreResults = false;
+
+        $userGroups = [];
+        if ($this->shareWithGroupOnly) {
+            // Search in all the groups this user is part of
+            $userGroups = $this->groupManager->getUserGroupIds($this->userSession->getUser());
+            foreach ($userGroups as $userGroup) {
+                $usersTmp = $this->groupManager->displayNamesInGroup($userGroup, $search, $limit, $offset);
+                foreach ($usersTmp as $uid => $userDisplayName) {
+                    $users[$uid] = $userDisplayName;
+                }
+            }
+        } else {
+            // Search in all users
+            $usersTmp = $this->userManager->searchDisplayName($search, $limit, $offset);
+
+            foreach ($usersTmp as $user) {
+                $users[$user->getUID()] = $user->getDisplayName();
+            }
+        }
+
+        $this->takeOutCurrentUser($users);
+
+        if (!$this->shareeEnumeration || sizeof($users) < $limit) {
+            $hasMoreResults = true;
+        }
+
+        $foundUserById = false;
+        $lowerSearch = strtolower($search);
+        foreach ($users as $uid => $userDisplayName) {
+            if (strtolower($uid) === $lowerSearch || strtolower($userDisplayName) === $lowerSearch) {
+                if (strtolower($uid) === $lowerSearch) {
+                    $foundUserById = true;
+                }
+                $result['exact'][] = [
+                    'label' => $userDisplayName,
+                    'value' => [
+                        'shareType' => Share::SHARE_TYPE_USER,
+                        'shareWith' => $uid,
+                    ],
+                ];
+            } else {
+                $result['wide'][] = [
+                    'label' => $userDisplayName,
+                    'value' => [
+                        'shareType' => Share::SHARE_TYPE_USER,
+                        'shareWith' => $uid,
+                    ],
+                ];
+            }
+        }
+
+        if ($offset === 0 && !$foundUserById) {
+            // On page one we try if the search result has a direct hit on the
+            // user id and if so, we add that to the exact match list
+            $user = $this->userManager->get($search);
+            if ($user instanceof IUser) {
+                $addUser = true;
+
+                if ($this->shareWithGroupOnly) {
+                    // Only add, if we have a common group
+                    $commonGroups = array_intersect($userGroups, $this->groupManager->getUserGroupIds($user));
+                    $addUser = !empty($commonGroups);
+                }
+
+                if ($addUser) {
+                    $result['exact'][] = [
+                        'label' => $user->getDisplayName(),
+                        'value' => [
+                            'shareType' => Share::SHARE_TYPE_USER,
+                            'shareWith' => $user->getUID(),
+                        ],
+                    ];
+                }
+            }
+        }
+
+        if (!$this->shareeEnumeration) {
+            $result['wide'] = [];
+        }
+
+        $type = new SearchResultType('users');
+        $searchResult->addResultSet($type, $result['wide'], $result['exact']);
+
+        return $hasMoreResults;
+    }
+
+    public function takeOutCurrentUser(array &$users) {
+        $currentUser = $this->userSession->getUser();
+        if(!is_null($currentUser)) {
+            if (isset($users[$currentUser->getUID()])) {
+                unset($users[$currentUser->getUID()]);
+            }
+        }
+    }
 }

lib/private/Collaboration/Collaborators/GroupPlugin.php

Indentation +76 added lines, -76 removed lines

@@ -33,92 +33,92 @@
 use OCP\Share;
 
 class GroupPlugin implements ISearchPlugin {
-	protected $shareeEnumeration;
-	protected $shareWithGroupOnly;
+    protected $shareeEnumeration;
+    protected $shareWithGroupOnly;
 
-	/** @var IGroupManager */
-	private $groupManager;
-	/** @var IConfig */
-	private $config;
-	/** @var IUserSession */
-	private $userSession;
+    /** @var IGroupManager */
+    private $groupManager;
+    /** @var IConfig */
+    private $config;
+    /** @var IUserSession */
+    private $userSession;
 
-	public function __construct(IConfig $config, IGroupManager $groupManager, IUserSession $userSession) {
-		$this->groupManager = $groupManager;
-		$this->config = $config;
-		$this->userSession = $userSession;
+    public function __construct(IConfig $config, IGroupManager $groupManager, IUserSession $userSession) {
+        $this->groupManager = $groupManager;
+        $this->config = $config;
+        $this->userSession = $userSession;
 
-		$this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
-		$this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
-	}
+        $this->shareeEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
+        $this->shareWithGroupOnly = $this->config->getAppValue('core', 'shareapi_only_share_with_group_members', 'no') === 'yes';
+    }
 
-	public function search($search, $limit, $offset, ISearchResult $searchResult) {
-		$hasMoreResults = false;
-		$result = ['wide' => [], 'exact' => []];
+    public function search($search, $limit, $offset, ISearchResult $searchResult) {
+        $hasMoreResults = false;
+        $result = ['wide' => [], 'exact' => []];
 
-		$groups = $this->groupManager->search($search, $limit, $offset);
-		$groupIds = array_map(function (IGroup $group) { return $group->getGID(); }, $groups);
+        $groups = $this->groupManager->search($search, $limit, $offset);
+        $groupIds = array_map(function (IGroup $group) { return $group->getGID(); }, $groups);
 
-		if (!$this->shareeEnumeration || sizeof($groups) < $limit) {
-			$hasMoreResults = true;
-		}
+        if (!$this->shareeEnumeration || sizeof($groups) < $limit) {
+            $hasMoreResults = true;
+        }
 
-		$userGroups =  [];
-		if (!empty($groups) && $this->shareWithGroupOnly) {
-			// Intersect all the groups that match with the groups this user is a member of
-			$userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
-			$userGroups = array_map(function (IGroup $group) { return $group->getGID(); }, $userGroups);
-			$groupIds = array_intersect($groupIds, $userGroups);
-		}
+        $userGroups =  [];
+        if (!empty($groups) && $this->shareWithGroupOnly) {
+            // Intersect all the groups that match with the groups this user is a member of
+            $userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
+            $userGroups = array_map(function (IGroup $group) { return $group->getGID(); }, $userGroups);
+            $groupIds = array_intersect($groupIds, $userGroups);
+        }
 
-		$lowerSearch = strtolower($search);
-		foreach ($groups as $group) {
-			// FIXME: use a more efficient approach
-			$gid = $group->getGID();
-			if (!in_array($gid, $groupIds)) {
-				continue;
-			}
-			if (strtolower($gid) === $lowerSearch || strtolower($group->getDisplayName()) === $lowerSearch) {
-				$result['exact'][] = [
-					'label' => $group->getDisplayName(),
-					'value' => [
-						'shareType' => Share::SHARE_TYPE_GROUP,
-						'shareWith' => $gid,
-					],
-				];
-			} else {
-				$result['wide'][] = [
-					'label' => $group->getDisplayName(),
-					'value' => [
-						'shareType' => Share::SHARE_TYPE_GROUP,
-						'shareWith' => $gid,
-					],
-				];
-			}
-		}
+        $lowerSearch = strtolower($search);
+        foreach ($groups as $group) {
+            // FIXME: use a more efficient approach
+            $gid = $group->getGID();
+            if (!in_array($gid, $groupIds)) {
+                continue;
+            }
+            if (strtolower($gid) === $lowerSearch || strtolower($group->getDisplayName()) === $lowerSearch) {
+                $result['exact'][] = [
+                    'label' => $group->getDisplayName(),
+                    'value' => [
+                        'shareType' => Share::SHARE_TYPE_GROUP,
+                        'shareWith' => $gid,
+                    ],
+                ];
+            } else {
+                $result['wide'][] = [
+                    'label' => $group->getDisplayName(),
+                    'value' => [
+                        'shareType' => Share::SHARE_TYPE_GROUP,
+                        'shareWith' => $gid,
+                    ],
+                ];
+            }
+        }
 
-		if ($offset === 0 && empty($result['exact'])) {
-			// On page one we try if the search result has a direct hit on the
-			// user id and if so, we add that to the exact match list
-			$group = $this->groupManager->get($search);
-			if ($group instanceof IGroup && (!$this->shareWithGroupOnly || in_array($group->getGID(), $userGroups))) {
-				$result['exact'][] = [
-					'label' => $group->getDisplayName(),
-					'value' => [
-						'shareType' => Share::SHARE_TYPE_GROUP,
-						'shareWith' => $group->getGID(),
-					],
-				];
-			}
-		}
+        if ($offset === 0 && empty($result['exact'])) {
+            // On page one we try if the search result has a direct hit on the
+            // user id and if so, we add that to the exact match list
+            $group = $this->groupManager->get($search);
+            if ($group instanceof IGroup && (!$this->shareWithGroupOnly || in_array($group->getGID(), $userGroups))) {
+                $result['exact'][] = [
+                    'label' => $group->getDisplayName(),
+                    'value' => [
+                        'shareType' => Share::SHARE_TYPE_GROUP,
+                        'shareWith' => $group->getGID(),
+                    ],
+                ];
+            }
+        }
 
-		if (!$this->shareeEnumeration) {
-			$result['wide'] = [];
-		}
+        if (!$this->shareeEnumeration) {
+            $result['wide'] = [];
+        }
 
-		$type = new SearchResultType('groups');
-		$searchResult->addResultSet($type, $result['wide'], $result['exact']);
+        $type = new SearchResultType('groups');
+        $searchResult->addResultSet($type, $result['wide'], $result['exact']);
 
-		return $hasMoreResults;
-	}
+        return $hasMoreResults;
+    }
 }

lib/private/AppFramework/Middleware/MiddlewareDispatcher.php

Indentation +123 added lines, -123 removed lines

@@ -37,128 +37,128 @@
  */
 class MiddlewareDispatcher {
 
-	/**
-	 * @var array array containing all the middlewares
-	 */
-	private $middlewares;
-
-	/**
-	 * @var int counter which tells us what middlware was executed once an
-	 *                  exception occurs
-	 */
-	private $middlewareCounter;
-
-
-	/**
-	 * Constructor
-	 */
-	public function __construct(){
-		$this->middlewares = array();
-		$this->middlewareCounter = 0;
-	}
-
-
-	/**
-	 * Adds a new middleware
-	 * @param Middleware $middleWare the middleware which will be added
-	 */
-	public function registerMiddleware(Middleware $middleWare){
-		$this->middlewares[] = $middleWare;
-	}
-
-
-	/**
-	 * returns an array with all middleware elements
-	 * @return array the middlewares
-	 */
-	public function getMiddlewares(){
-		return $this->middlewares;
-	}
-
-
-	/**
-	 * This is being run in normal order before the controller is being
-	 * called which allows several modifications and checks
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 */
-	public function beforeController(Controller $controller, $methodName){
-		// we need to count so that we know which middlewares we have to ask in
-		// case there is an exception
-		$middlewareCount = count($this->middlewares);
-		for($i = 0; $i < $middlewareCount; $i++){
-			$this->middlewareCounter++;
-			$middleware = $this->middlewares[$i];
-			$middleware->beforeController($controller, $methodName);
-		}
-	}
-
-
-	/**
-	 * This is being run when either the beforeController method or the
-	 * controller method itself is throwing an exception. The middleware is asked
-	 * in reverse order to handle the exception and to return a response.
-	 * If the response is null, it is assumed that the exception could not be
-	 * handled and the error will be thrown again
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                            the controller
-	 * @param \Exception $exception the thrown exception
-	 * @return Response a Response object if the middleware can handle the
-	 * exception
-	 * @throws \Exception the passed in exception if it can't handle it
-	 */
-	public function afterException(Controller $controller, $methodName, \Exception $exception){
-		for($i=$this->middlewareCounter-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			try {
-				return $middleware->afterException($controller, $methodName, $exception);
-			} catch(\Exception $exception){
-				continue;
-			}
-		}
-		throw $exception;
-	}
-
-
-	/**
-	 * This is being run after a successful controllermethod call and allows
-	 * the manipulation of a Response object. The middleware is run in reverse order
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                            the controller
-	 * @param Response $response the generated response from the controller
-	 * @return Response a Response object
-	 */
-	public function afterController(Controller $controller, $methodName, Response $response){
-		for($i=count($this->middlewares)-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			$response = $middleware->afterController($controller, $methodName, $response);
-		}
-		return $response;
-	}
-
-
-	/**
-	 * This is being run after the response object has been rendered and
-	 * allows the manipulation of the output. The middleware is run in reverse order
-	 *
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @param string $output the generated output from a response
-	 * @return string the output that should be printed
-	 */
-	public function beforeOutput(Controller $controller, $methodName, $output){
-		for($i=count($this->middlewares)-1; $i>=0; $i--){
-			$middleware = $this->middlewares[$i];
-			$output = $middleware->beforeOutput($controller, $methodName, $output);
-		}
-		return $output;
-	}
+    /**
+     * @var array array containing all the middlewares
+     */
+    private $middlewares;
+
+    /**
+     * @var int counter which tells us what middlware was executed once an
+     *                  exception occurs
+     */
+    private $middlewareCounter;
+
+
+    /**
+     * Constructor
+     */
+    public function __construct(){
+        $this->middlewares = array();
+        $this->middlewareCounter = 0;
+    }
+
+
+    /**
+     * Adds a new middleware
+     * @param Middleware $middleWare the middleware which will be added
+     */
+    public function registerMiddleware(Middleware $middleWare){
+        $this->middlewares[] = $middleWare;
+    }
+
+
+    /**
+     * returns an array with all middleware elements
+     * @return array the middlewares
+     */
+    public function getMiddlewares(){
+        return $this->middlewares;
+    }
+
+
+    /**
+     * This is being run in normal order before the controller is being
+     * called which allows several modifications and checks
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     */
+    public function beforeController(Controller $controller, $methodName){
+        // we need to count so that we know which middlewares we have to ask in
+        // case there is an exception
+        $middlewareCount = count($this->middlewares);
+        for($i = 0; $i < $middlewareCount; $i++){
+            $this->middlewareCounter++;
+            $middleware = $this->middlewares[$i];
+            $middleware->beforeController($controller, $methodName);
+        }
+    }
+
+
+    /**
+     * This is being run when either the beforeController method or the
+     * controller method itself is throwing an exception. The middleware is asked
+     * in reverse order to handle the exception and to return a response.
+     * If the response is null, it is assumed that the exception could not be
+     * handled and the error will be thrown again
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                            the controller
+     * @param \Exception $exception the thrown exception
+     * @return Response a Response object if the middleware can handle the
+     * exception
+     * @throws \Exception the passed in exception if it can't handle it
+     */
+    public function afterException(Controller $controller, $methodName, \Exception $exception){
+        for($i=$this->middlewareCounter-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            try {
+                return $middleware->afterException($controller, $methodName, $exception);
+            } catch(\Exception $exception){
+                continue;
+            }
+        }
+        throw $exception;
+    }
+
+
+    /**
+     * This is being run after a successful controllermethod call and allows
+     * the manipulation of a Response object. The middleware is run in reverse order
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                            the controller
+     * @param Response $response the generated response from the controller
+     * @return Response a Response object
+     */
+    public function afterController(Controller $controller, $methodName, Response $response){
+        for($i=count($this->middlewares)-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            $response = $middleware->afterController($controller, $methodName, $response);
+        }
+        return $response;
+    }
+
+
+    /**
+     * This is being run after the response object has been rendered and
+     * allows the manipulation of the output. The middleware is run in reverse order
+     *
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @param string $output the generated output from a response
+     * @return string the output that should be printed
+     */
+    public function beforeOutput(Controller $controller, $methodName, $output){
+        for($i=count($this->middlewares)-1; $i>=0; $i--){
+            $middleware = $this->middlewares[$i];
+            $output = $middleware->beforeOutput($controller, $methodName, $output);
+        }
+        return $output;
+    }
 
 }

Spacing +12 added lines, -12 removed lines

@@ -52,7 +52,7 @@ 
 	/**
 	 * Constructor
 	 */
-	public function __construct(){
+	public function __construct() {
 		$this->middlewares = array();
 		$this->middlewareCounter = 0;
 	}
@@ -62,7 +62,7 @@ 
 	 * Adds a new middleware
 	 * @param Middleware $middleWare the middleware which will be added
 	 */
-	public function registerMiddleware(Middleware $middleWare){
+	public function registerMiddleware(Middleware $middleWare) {
 		$this->middlewares[] = $middleWare;
 	}
 
@@ -71,7 +71,7 @@ 
 	 * returns an array with all middleware elements
 	 * @return array the middlewares
 	 */
-	public function getMiddlewares(){
+	public function getMiddlewares() {
 		return $this->middlewares;
 	}
 
@@ -84,11 +84,11 @@ 
 	 * @param string $methodName the name of the method that will be called on
 	 *                           the controller
 	 */
-	public function beforeController(Controller $controller, $methodName){
+	public function beforeController(Controller $controller, $methodName) {
 		// we need to count so that we know which middlewares we have to ask in
 		// case there is an exception
 		$middlewareCount = count($this->middlewares);
-		for($i = 0; $i < $middlewareCount; $i++){
+		for ($i = 0; $i < $middlewareCount; $i++) {
 			$this->middlewareCounter++;
 			$middleware = $this->middlewares[$i];
 			$middleware->beforeController($controller, $methodName);
@@ -111,12 +111,12 @@ 
 	 * exception
 	 * @throws \Exception the passed in exception if it can't handle it
 	 */
-	public function afterException(Controller $controller, $methodName, \Exception $exception){
-		for($i=$this->middlewareCounter-1; $i>=0; $i--){
+	public function afterException(Controller $controller, $methodName, \Exception $exception) {
+		for ($i = $this->middlewareCounter - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			try {
 				return $middleware->afterException($controller, $methodName, $exception);
-			} catch(\Exception $exception){
+			} catch (\Exception $exception) {
 				continue;
 			}
 		}
@@ -134,8 +134,8 @@ 
 	 * @param Response $response the generated response from the controller
 	 * @return Response a Response object
 	 */
-	public function afterController(Controller $controller, $methodName, Response $response){
-		for($i=count($this->middlewares)-1; $i>=0; $i--){
+	public function afterController(Controller $controller, $methodName, Response $response) {
+		for ($i = count($this->middlewares) - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			$response = $middleware->afterController($controller, $methodName, $response);
 		}
@@ -153,8 +153,8 @@ 
 	 * @param string $output the generated output from a response
 	 * @return string the output that should be printed
 	 */
-	public function beforeOutput(Controller $controller, $methodName, $output){
-		for($i=count($this->middlewares)-1; $i>=0; $i--){
+	public function beforeOutput(Controller $controller, $methodName, $output) {
+		for ($i = count($this->middlewares) - 1; $i >= 0; $i--) {
 			$middleware = $this->middlewares[$i];
 			$output = $middleware->beforeOutput($controller, $methodName, $output);
 		}

lib/private/AppFramework/DependencyInjection/DIContainer.php

Indentation +383 added lines, -383 removed lines

@@ -65,387 +65,387 @@
 
 class DIContainer extends SimpleContainer implements IAppContainer {
 
-	/**
-	 * @var array
-	 */
-	private $middleWares = array();
-
-	/** @var ServerContainer */
-	private $server;
-
-	/**
-	 * Put your class dependencies in here
-	 * @param string $appName the name of the app
-	 * @param array $urlParams
-	 * @param ServerContainer|null $server
-	 */
-	public function __construct($appName, $urlParams = array(), ServerContainer $server = null){
-		parent::__construct();
-		$this['AppName'] = $appName;
-		$this['urlParams'] = $urlParams;
-
-		/** @var \OC\ServerContainer $server */
-		if ($server === null) {
-			$server = \OC::$server;
-		}
-		$this->server = $server;
-		$this->server->registerAppContainer($appName, $this);
-
-		// aliases
-		$this->registerAlias('appName', 'AppName');
-		$this->registerAlias('webRoot', 'WebRoot');
-		$this->registerAlias('userId', 'UserId');
-
-		/**
-		 * Core services
-		 */
-		$this->registerService(IOutput::class, function($c){
-			return new Output($this->getServer()->getWebRoot());
-		});
-
-		$this->registerService(Folder::class, function() {
-			return $this->getServer()->getUserFolder();
-		});
-
-		$this->registerService(IAppData::class, function (SimpleContainer $c) {
-			return $this->getServer()->getAppDataDir($c->query('AppName'));
-		});
-
-		$this->registerService(IL10N::class, function($c) {
-			return $this->getServer()->getL10N($c->query('AppName'));
-		});
-
-		$this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
-		$this->registerAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
-
-		$this->registerService(IRequest::class, function() {
-			return $this->getServer()->query(IRequest::class);
-		});
-		$this->registerAlias('Request', IRequest::class);
-
-		$this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
-		$this->registerAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
-
-		$this->registerAlias(\OC\User\Session::class, \OCP\IUserSession::class);
-
-		$this->registerService(IServerContainer::class, function ($c) {
-			return $this->getServer();
-		});
-		$this->registerAlias('ServerContainer', IServerContainer::class);
-
-		$this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
-			return $c->query('OCA\WorkflowEngine\Manager');
-		});
-
-		$this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
-			return $c;
-		});
-
-		// commonly used attributes
-		$this->registerService('UserId', function ($c) {
-			return $c->query('OCP\\IUserSession')->getSession()->get('user_id');
-		});
-
-		$this->registerService('WebRoot', function ($c) {
-			return $c->query('ServerContainer')->getWebRoot();
-		});
-
-		$this->registerService('fromMailAddress', function() {
-			return Util::getDefaultEmailAddress('no-reply');
-		});
-
-		$this->registerService('OC_Defaults', function ($c) {
-			return $c->getServer()->getThemingDefaults();
-		});
-
-		$this->registerService('OCP\Encryption\IManager', function ($c) {
-			return $this->getServer()->getEncryptionManager();
-		});
-
-		$this->registerService(IConfig::class, function ($c) {
-			return $c->query(OC\GlobalScale\Config::class);
-		});
-
-		$this->registerService(IValidator::class, function($c) {
-			return $c->query(Validator::class);
-		});
-
-		$this->registerService(\OC\Security\IdentityProof\Manager::class, function ($c) {
-			return new \OC\Security\IdentityProof\Manager(
-				$this->getServer()->query(\OC\Files\AppData\Factory::class),
-				$this->getServer()->getCrypto(),
-				$this->getServer()->getConfig()
-			);
-		});
-
-		$this->registerService('Protocol', function($c){
-			/** @var \OC\Server $server */
-			$server = $c->query('ServerContainer');
-			$protocol = $server->getRequest()->getHttpProtocol();
-			return new Http($_SERVER, $protocol);
-		});
-
-		$this->registerService('Dispatcher', function($c) {
-			return new Dispatcher(
-				$c['Protocol'],
-				$c['MiddlewareDispatcher'],
-				$c['ControllerMethodReflector'],
-				$c['Request']
-			);
-		});
-
-		/**
-		 * App Framework default arguments
-		 */
-		$this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
-		$this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
-		$this->registerParameter('corsMaxAge', 1728000);
-
-		/**
-		 * Middleware
-		 */
-		$app = $this;
-		$this->registerService('SecurityMiddleware', function($c) use ($app){
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new SecurityMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$server->getNavigationManager(),
-				$server->getURLGenerator(),
-				$server->getLogger(),
-				$c['AppName'],
-				$server->getUserSession()->isLoggedIn(),
-				$server->getGroupManager()->isAdmin($this->getUserId()),
-				$server->getContentSecurityPolicyManager(),
-				$server->getCsrfTokenManager(),
-				$server->getContentSecurityPolicyNonceManager(),
-				$server->getAppManager()
-			);
-		});
-
-		$this->registerService(OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class, function ($c) use ($app) {
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware(
-				$c['ControllerMethodReflector'],
-				$server->getSession(),
-				$server->getUserSession(),
-				$server->query(ITimeFactory::class)
-			);
-		});
-
-		$this->registerService('BruteForceMiddleware', function($c) use ($app) {
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
-				$c['ControllerMethodReflector'],
-				$server->getBruteForceThrottler(),
-				$server->getRequest()
-			);
-		});
-
-		$this->registerService('RateLimitingMiddleware', function($c) use ($app) {
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new RateLimitingMiddleware(
-				$server->getRequest(),
-				$server->getUserSession(),
-				$c['ControllerMethodReflector'],
-				$c->query(OC\Security\RateLimiting\Limiter::class)
-			);
-		});
-
-		$this->registerService('CORSMiddleware', function($c) {
-			return new CORSMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$c->query(IUserSession::class),
-				$c->getServer()->getBruteForceThrottler()
-			);
-		});
-
-		$this->registerService('SessionMiddleware', function($c) use ($app) {
-			return new SessionMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$app->getServer()->getSession()
-			);
-		});
-
-		$this->registerService('TwoFactorMiddleware', function (SimpleContainer $c) use ($app) {
-			$twoFactorManager = $c->getServer()->getTwoFactorAuthManager();
-			$userSession = $app->getServer()->getUserSession();
-			$session = $app->getServer()->getSession();
-			$urlGenerator = $app->getServer()->getURLGenerator();
-			$reflector = $c['ControllerMethodReflector'];
-			$request = $app->getServer()->getRequest();
-			return new TwoFactorMiddleware($twoFactorManager, $userSession, $session, $urlGenerator, $reflector, $request);
-		});
-
-		$this->registerService('OCSMiddleware', function (SimpleContainer $c) {
-			return new OCSMiddleware(
-				$c['Request']
-			);
-		});
-
-		$this->registerService(OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware::class, function (SimpleContainer $c) {
-			return new OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector']
-			);
-		});
-
-		$middleWares = &$this->middleWares;
-		$this->registerService('MiddlewareDispatcher', function($c) use (&$middleWares) {
-			$dispatcher = new MiddlewareDispatcher();
-			$dispatcher->registerMiddleware($c[OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware::class]);
-			$dispatcher->registerMiddleware($c['CORSMiddleware']);
-			$dispatcher->registerMiddleware($c['OCSMiddleware']);
-			$dispatcher->registerMiddleware($c['SecurityMiddleware']);
-			$dispatcher->registerMiddleware($c[OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class]);
-			$dispatcher->registerMiddleware($c['TwoFactorMiddleware']);
-			$dispatcher->registerMiddleware($c['BruteForceMiddleware']);
-			$dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
-
-			foreach($middleWares as $middleWare) {
-				$dispatcher->registerMiddleware($c[$middleWare]);
-			}
-
-			$dispatcher->registerMiddleware($c['SessionMiddleware']);
-			return $dispatcher;
-		});
-
-	}
-
-	/**
-	 * @return \OCP\IServerContainer
-	 */
-	public function getServer()
-	{
-		return $this->server;
-	}
-
-	/**
-	 * @param string $middleWare
-	 * @return boolean|null
-	 */
-	public function registerMiddleWare($middleWare) {
-		$this->middleWares[] = $middleWare;
-	}
-
-	/**
-	 * used to return the appname of the set application
-	 * @return string the name of your application
-	 */
-	public function getAppName() {
-		return $this->query('AppName');
-	}
-
-	/**
-	 * @deprecated use IUserSession->isLoggedIn()
-	 * @return boolean
-	 */
-	public function isLoggedIn() {
-		return \OC::$server->getUserSession()->isLoggedIn();
-	}
-
-	/**
-	 * @deprecated use IGroupManager->isAdmin($userId)
-	 * @return boolean
-	 */
-	public function isAdminUser() {
-		$uid = $this->getUserId();
-		return \OC_User::isAdminUser($uid);
-	}
-
-	private function getUserId() {
-		return $this->getServer()->getSession()->get('user_id');
-	}
-
-	/**
-	 * @deprecated use the ILogger instead
-	 * @param string $message
-	 * @param string $level
-	 * @return mixed
-	 */
-	public function log($message, $level) {
-		switch($level){
-			case 'debug':
-				$level = \OCP\Util::DEBUG;
-				break;
-			case 'info':
-				$level = \OCP\Util::INFO;
-				break;
-			case 'warn':
-				$level = \OCP\Util::WARN;
-				break;
-			case 'fatal':
-				$level = \OCP\Util::FATAL;
-				break;
-			default:
-				$level = \OCP\Util::ERROR;
-				break;
-		}
-		\OCP\Util::writeLog($this->getAppName(), $message, $level);
-	}
-
-	/**
-	 * Register a capability
-	 *
-	 * @param string $serviceName e.g. 'OCA\Files\Capabilities'
-	 */
-	public function registerCapability($serviceName) {
-		$this->query('OC\CapabilitiesManager')->registerCapability(function() use ($serviceName) {
-			return $this->query($serviceName);
-		});
-	}
-
-	/**
-	 * @param string $name
-	 * @return mixed
-	 * @throws QueryException if the query could not be resolved
-	 */
-	public function query($name) {
-		try {
-			return $this->queryNoFallback($name);
-		} catch (QueryException $firstException) {
-			try {
-				return $this->getServer()->query($name);
-			} catch (QueryException $secondException) {
-				if ($firstException->getCode() === 1) {
-					throw $secondException;
-				}
-				throw $firstException;
-			}
-		}
-	}
-
-	/**
-	 * @param string $name
-	 * @return mixed
-	 * @throws QueryException if the query could not be resolved
-	 */
-	public function queryNoFallback($name) {
-		$name = $this->sanitizeName($name);
-
-		if ($this->offsetExists($name)) {
-			return parent::query($name);
-		} else {
-			if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
-				return parent::query($name);
-			} else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
-				return parent::query($name);
-			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
-				return parent::query($name);
-			}
-		}
-
-		throw new QueryException('Could not resolve ' . $name . '!' .
-			' Class can not be instantiated', 1);
-	}
+    /**
+     * @var array
+     */
+    private $middleWares = array();
+
+    /** @var ServerContainer */
+    private $server;
+
+    /**
+     * Put your class dependencies in here
+     * @param string $appName the name of the app
+     * @param array $urlParams
+     * @param ServerContainer|null $server
+     */
+    public function __construct($appName, $urlParams = array(), ServerContainer $server = null){
+        parent::__construct();
+        $this['AppName'] = $appName;
+        $this['urlParams'] = $urlParams;
+
+        /** @var \OC\ServerContainer $server */
+        if ($server === null) {
+            $server = \OC::$server;
+        }
+        $this->server = $server;
+        $this->server->registerAppContainer($appName, $this);
+
+        // aliases
+        $this->registerAlias('appName', 'AppName');
+        $this->registerAlias('webRoot', 'WebRoot');
+        $this->registerAlias('userId', 'UserId');
+
+        /**
+         * Core services
+         */
+        $this->registerService(IOutput::class, function($c){
+            return new Output($this->getServer()->getWebRoot());
+        });
+
+        $this->registerService(Folder::class, function() {
+            return $this->getServer()->getUserFolder();
+        });
+
+        $this->registerService(IAppData::class, function (SimpleContainer $c) {
+            return $this->getServer()->getAppDataDir($c->query('AppName'));
+        });
+
+        $this->registerService(IL10N::class, function($c) {
+            return $this->getServer()->getL10N($c->query('AppName'));
+        });
+
+        $this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
+        $this->registerAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
+
+        $this->registerService(IRequest::class, function() {
+            return $this->getServer()->query(IRequest::class);
+        });
+        $this->registerAlias('Request', IRequest::class);
+
+        $this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
+        $this->registerAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
+
+        $this->registerAlias(\OC\User\Session::class, \OCP\IUserSession::class);
+
+        $this->registerService(IServerContainer::class, function ($c) {
+            return $this->getServer();
+        });
+        $this->registerAlias('ServerContainer', IServerContainer::class);
+
+        $this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
+            return $c->query('OCA\WorkflowEngine\Manager');
+        });
+
+        $this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
+            return $c;
+        });
+
+        // commonly used attributes
+        $this->registerService('UserId', function ($c) {
+            return $c->query('OCP\\IUserSession')->getSession()->get('user_id');
+        });
+
+        $this->registerService('WebRoot', function ($c) {
+            return $c->query('ServerContainer')->getWebRoot();
+        });
+
+        $this->registerService('fromMailAddress', function() {
+            return Util::getDefaultEmailAddress('no-reply');
+        });
+
+        $this->registerService('OC_Defaults', function ($c) {
+            return $c->getServer()->getThemingDefaults();
+        });
+
+        $this->registerService('OCP\Encryption\IManager', function ($c) {
+            return $this->getServer()->getEncryptionManager();
+        });
+
+        $this->registerService(IConfig::class, function ($c) {
+            return $c->query(OC\GlobalScale\Config::class);
+        });
+
+        $this->registerService(IValidator::class, function($c) {
+            return $c->query(Validator::class);
+        });
+
+        $this->registerService(\OC\Security\IdentityProof\Manager::class, function ($c) {
+            return new \OC\Security\IdentityProof\Manager(
+                $this->getServer()->query(\OC\Files\AppData\Factory::class),
+                $this->getServer()->getCrypto(),
+                $this->getServer()->getConfig()
+            );
+        });
+
+        $this->registerService('Protocol', function($c){
+            /** @var \OC\Server $server */
+            $server = $c->query('ServerContainer');
+            $protocol = $server->getRequest()->getHttpProtocol();
+            return new Http($_SERVER, $protocol);
+        });
+
+        $this->registerService('Dispatcher', function($c) {
+            return new Dispatcher(
+                $c['Protocol'],
+                $c['MiddlewareDispatcher'],
+                $c['ControllerMethodReflector'],
+                $c['Request']
+            );
+        });
+
+        /**
+         * App Framework default arguments
+         */
+        $this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
+        $this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
+        $this->registerParameter('corsMaxAge', 1728000);
+
+        /**
+         * Middleware
+         */
+        $app = $this;
+        $this->registerService('SecurityMiddleware', function($c) use ($app){
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new SecurityMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $server->getNavigationManager(),
+                $server->getURLGenerator(),
+                $server->getLogger(),
+                $c['AppName'],
+                $server->getUserSession()->isLoggedIn(),
+                $server->getGroupManager()->isAdmin($this->getUserId()),
+                $server->getContentSecurityPolicyManager(),
+                $server->getCsrfTokenManager(),
+                $server->getContentSecurityPolicyNonceManager(),
+                $server->getAppManager()
+            );
+        });
+
+        $this->registerService(OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class, function ($c) use ($app) {
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware(
+                $c['ControllerMethodReflector'],
+                $server->getSession(),
+                $server->getUserSession(),
+                $server->query(ITimeFactory::class)
+            );
+        });
+
+        $this->registerService('BruteForceMiddleware', function($c) use ($app) {
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
+                $c['ControllerMethodReflector'],
+                $server->getBruteForceThrottler(),
+                $server->getRequest()
+            );
+        });
+
+        $this->registerService('RateLimitingMiddleware', function($c) use ($app) {
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new RateLimitingMiddleware(
+                $server->getRequest(),
+                $server->getUserSession(),
+                $c['ControllerMethodReflector'],
+                $c->query(OC\Security\RateLimiting\Limiter::class)
+            );
+        });
+
+        $this->registerService('CORSMiddleware', function($c) {
+            return new CORSMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $c->query(IUserSession::class),
+                $c->getServer()->getBruteForceThrottler()
+            );
+        });
+
+        $this->registerService('SessionMiddleware', function($c) use ($app) {
+            return new SessionMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $app->getServer()->getSession()
+            );
+        });
+
+        $this->registerService('TwoFactorMiddleware', function (SimpleContainer $c) use ($app) {
+            $twoFactorManager = $c->getServer()->getTwoFactorAuthManager();
+            $userSession = $app->getServer()->getUserSession();
+            $session = $app->getServer()->getSession();
+            $urlGenerator = $app->getServer()->getURLGenerator();
+            $reflector = $c['ControllerMethodReflector'];
+            $request = $app->getServer()->getRequest();
+            return new TwoFactorMiddleware($twoFactorManager, $userSession, $session, $urlGenerator, $reflector, $request);
+        });
+
+        $this->registerService('OCSMiddleware', function (SimpleContainer $c) {
+            return new OCSMiddleware(
+                $c['Request']
+            );
+        });
+
+        $this->registerService(OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware::class, function (SimpleContainer $c) {
+            return new OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector']
+            );
+        });
+
+        $middleWares = &$this->middleWares;
+        $this->registerService('MiddlewareDispatcher', function($c) use (&$middleWares) {
+            $dispatcher = new MiddlewareDispatcher();
+            $dispatcher->registerMiddleware($c[OC\AppFramework\Middleware\Security\SameSiteCookieMiddleware::class]);
+            $dispatcher->registerMiddleware($c['CORSMiddleware']);
+            $dispatcher->registerMiddleware($c['OCSMiddleware']);
+            $dispatcher->registerMiddleware($c['SecurityMiddleware']);
+            $dispatcher->registerMiddleware($c[OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class]);
+            $dispatcher->registerMiddleware($c['TwoFactorMiddleware']);
+            $dispatcher->registerMiddleware($c['BruteForceMiddleware']);
+            $dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
+
+            foreach($middleWares as $middleWare) {
+                $dispatcher->registerMiddleware($c[$middleWare]);
+            }
+
+            $dispatcher->registerMiddleware($c['SessionMiddleware']);
+            return $dispatcher;
+        });
+
+    }
+
+    /**
+     * @return \OCP\IServerContainer
+     */
+    public function getServer()
+    {
+        return $this->server;
+    }
+
+    /**
+     * @param string $middleWare
+     * @return boolean|null
+     */
+    public function registerMiddleWare($middleWare) {
+        $this->middleWares[] = $middleWare;
+    }
+
+    /**
+     * used to return the appname of the set application
+     * @return string the name of your application
+     */
+    public function getAppName() {
+        return $this->query('AppName');
+    }
+
+    /**
+     * @deprecated use IUserSession->isLoggedIn()
+     * @return boolean
+     */
+    public function isLoggedIn() {
+        return \OC::$server->getUserSession()->isLoggedIn();
+    }
+
+    /**
+     * @deprecated use IGroupManager->isAdmin($userId)
+     * @return boolean
+     */
+    public function isAdminUser() {
+        $uid = $this->getUserId();
+        return \OC_User::isAdminUser($uid);
+    }
+
+    private function getUserId() {
+        return $this->getServer()->getSession()->get('user_id');
+    }
+
+    /**
+     * @deprecated use the ILogger instead
+     * @param string $message
+     * @param string $level
+     * @return mixed
+     */
+    public function log($message, $level) {
+        switch($level){
+            case 'debug':
+                $level = \OCP\Util::DEBUG;
+                break;
+            case 'info':
+                $level = \OCP\Util::INFO;
+                break;
+            case 'warn':
+                $level = \OCP\Util::WARN;
+                break;
+            case 'fatal':
+                $level = \OCP\Util::FATAL;
+                break;
+            default:
+                $level = \OCP\Util::ERROR;
+                break;
+        }
+        \OCP\Util::writeLog($this->getAppName(), $message, $level);
+    }
+
+    /**
+     * Register a capability
+     *
+     * @param string $serviceName e.g. 'OCA\Files\Capabilities'
+     */
+    public function registerCapability($serviceName) {
+        $this->query('OC\CapabilitiesManager')->registerCapability(function() use ($serviceName) {
+            return $this->query($serviceName);
+        });
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     * @throws QueryException if the query could not be resolved
+     */
+    public function query($name) {
+        try {
+            return $this->queryNoFallback($name);
+        } catch (QueryException $firstException) {
+            try {
+                return $this->getServer()->query($name);
+            } catch (QueryException $secondException) {
+                if ($firstException->getCode() === 1) {
+                    throw $secondException;
+                }
+                throw $firstException;
+            }
+        }
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     * @throws QueryException if the query could not be resolved
+     */
+    public function queryNoFallback($name) {
+        $name = $this->sanitizeName($name);
+
+        if ($this->offsetExists($name)) {
+            return parent::query($name);
+        } else {
+            if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
+                return parent::query($name);
+            } else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
+                return parent::query($name);
+            } else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
+                return parent::query($name);
+            }
+        }
+
+        throw new QueryException('Could not resolve ' . $name . '!' .
+            ' Class can not be instantiated', 1);
+    }
 }

lib/private/Activity/Manager.php

Indentation +684 added lines, -684 removed lines

@@ -40,688 +40,688 @@
 use OCP\RichObjectStrings\IValidator;
 
 class Manager implements IManager {
-	/** @var IRequest */
-	protected $request;
-
-	/** @var IUserSession */
-	protected $session;
-
-	/** @var IConfig */
-	protected $config;
-
-	/** @var IValidator */
-	protected $validator;
-
-	/** @var string */
-	protected $formattingObjectType;
-
-	/** @var int */
-	protected $formattingObjectId;
-
-	/** @var bool */
-	protected $requirePNG;
-
-	/** @var string */
-	protected $currentUserId;
-
-	/**
-	 * constructor of the controller
-	 *
-	 * @param IRequest $request
-	 * @param IUserSession $session
-	 * @param IConfig $config
-	 * @param IValidator $validator
-	 */
-	public function __construct(IRequest $request,
-								IUserSession $session,
-								IConfig $config,
-								IValidator $validator) {
-		$this->request = $request;
-		$this->session = $session;
-		$this->config = $config;
-		$this->validator = $validator;
-	}
-
-	/** @var \Closure[] */
-	private $consumersClosures = array();
-
-	/** @var IConsumer[] */
-	private $consumers = array();
-
-	/** @var \Closure[] */
-	private $extensionsClosures = array();
-
-	/** @var IExtension[] */
-	private $extensions = array();
-
-	/** @var array list of filters "name" => "is valid" */
-	protected $validFilters = array(
-		'all'	=> true,
-		'by'	=> true,
-		'self'	=> true,
-	);
-
-	/** @var array list of type icons "type" => "css class" */
-	protected $typeIcons = array();
-
-	/** @var array list of special parameters "app" => ["text" => ["parameter" => "type"]] */
-	protected $specialParameters = array();
-
-	/**
-	 * @return \OCP\Activity\IConsumer[]
-	 */
-	protected function getConsumers() {
-		if (!empty($this->consumers)) {
-			return $this->consumers;
-		}
-
-		$this->consumers = [];
-		foreach($this->consumersClosures as $consumer) {
-			$c = $consumer();
-			if ($c instanceof IConsumer) {
-				$this->consumers[] = $c;
-			} else {
-				throw new \InvalidArgumentException('The given consumer does not implement the \OCP\Activity\IConsumer interface');
-			}
-		}
-
-		return $this->consumers;
-	}
-
-	/**
-	 * @return \OCP\Activity\IExtension[]
-	 */
-	protected function getExtensions() {
-		if (!empty($this->extensions)) {
-			return $this->extensions;
-		}
-
-		$this->extensions = [];
-		foreach($this->extensionsClosures as $extension) {
-			$e = $extension();
-			if ($e instanceof IExtension) {
-				$this->extensions[] = $e;
-			} else {
-				throw new \InvalidArgumentException('The given extension does not implement the \OCP\Activity\IExtension interface');
-			}
-		}
-
-		return $this->extensions;
-	}
-
-	/**
-	 * Generates a new IEvent object
-	 *
-	 * Make sure to call at least the following methods before sending it to the
-	 * app with via the publish() method:
-	 *  - setApp()
-	 *  - setType()
-	 *  - setAffectedUser()
-	 *  - setSubject()
-	 *
-	 * @return IEvent
-	 */
-	public function generateEvent() {
-		return new Event($this->validator);
-	}
-
-	/**
-	 * Publish an event to the activity consumers
-	 *
-	 * Make sure to call at least the following methods before sending an Event:
-	 *  - setApp()
-	 *  - setType()
-	 *  - setAffectedUser()
-	 *  - setSubject()
-	 *
-	 * @param IEvent $event
-	 * @throws \BadMethodCallException if required values have not been set
-	 */
-	public function publish(IEvent $event) {
-		if ($event->getAuthor() === '') {
-			if ($this->session->getUser() instanceof IUser) {
-				$event->setAuthor($this->session->getUser()->getUID());
-			}
-		}
-
-		if (!$event->getTimestamp()) {
-			$event->setTimestamp(time());
-		}
-
-		if (!$event->isValid()) {
-			throw new \BadMethodCallException('The given event is invalid');
-		}
-
-		foreach ($this->getConsumers() as $c) {
-			$c->receive($event);
-		}
-	}
-
-	/**
-	 * @param string $app           The app where this event is associated with
-	 * @param string $subject       A short description of the event
-	 * @param array  $subjectParams Array with parameters that are filled in the subject
-	 * @param string $message       A longer description of the event
-	 * @param array  $messageParams Array with parameters that are filled in the message
-	 * @param string $file          The file including path where this event is associated with
-	 * @param string $link          A link where this event is associated with
-	 * @param string $affectedUser  Recipient of the activity
-	 * @param string $type          Type of the notification
-	 * @param int    $priority      Priority of the notification
-	 */
-	public function publishActivity($app, $subject, $subjectParams, $message, $messageParams, $file, $link, $affectedUser, $type, $priority) {
-		$event = $this->generateEvent();
-		$event->setApp($app)
-			->setType($type)
-			->setAffectedUser($affectedUser)
-			->setSubject($subject, $subjectParams)
-			->setMessage($message, $messageParams)
-			->setObject('', 0, $file)
-			->setLink($link);
-
-		$this->publish($event);
-	}
-
-	/**
-	 * In order to improve lazy loading a closure can be registered which will be called in case
-	 * activity consumers are actually requested
-	 *
-	 * $callable has to return an instance of OCA\Activity\IConsumer
-	 *
-	 * @param \Closure $callable
-	 */
-	public function registerConsumer(\Closure $callable) {
-		$this->consumersClosures[] = $callable;
-		$this->consumers = [];
-	}
-
-	/**
-	 * In order to improve lazy loading a closure can be registered which will be called in case
-	 * activity consumers are actually requested
-	 *
-	 * $callable has to return an instance of OCA\Activity\IExtension
-	 *
-	 * @param \Closure $callable
-	 */
-	public function registerExtension(\Closure $callable) {
-		$this->extensionsClosures[] = $callable;
-		$this->extensions = [];
-	}
-
-	/** @var string[] */
-	protected $filterClasses = [];
-
-	/** @var IFilter[] */
-	protected $filters = [];
-
-	/** @var bool */
-	protected $loadedLegacyFilters = false;
-
-	/**
-	 * @param string $filter Class must implement OCA\Activity\IFilter
-	 * @return void
-	 */
-	public function registerFilter($filter) {
-		$this->filterClasses[$filter] = false;
-	}
-
-	/**
-	 * @return IFilter[]
-	 * @throws \InvalidArgumentException
-	 */
-	public function getFilters() {
-		if (!$this->loadedLegacyFilters) {
-			$legacyFilters = $this->getNavigation();
-
-			foreach ($legacyFilters['top'] as $filter => $data) {
-				$this->filters[$filter] = new LegacyFilter(
-					$this, $filter, $data['name'], true
-				);
-			}
-
-			foreach ($legacyFilters['apps'] as $filter => $data) {
-				$this->filters[$filter] = new LegacyFilter(
-					$this, $filter, $data['name'], false
-				);
-			}
-			$this->loadedLegacyFilters = true;
-		}
-
-		foreach ($this->filterClasses as $class => $false) {
-			/** @var IFilter $filter */
-			$filter = \OC::$server->query($class);
-
-			if (!$filter instanceof IFilter) {
-				throw new \InvalidArgumentException('Invalid activity filter registered');
-			}
-
-			$this->filters[$filter->getIdentifier()] = $filter;
-
-			unset($this->filterClasses[$class]);
-		}
-		return $this->filters;
-	}
-
-	/**
-	 * @param string $id
-	 * @return IFilter
-	 * @throws \InvalidArgumentException when the filter was not found
-	 * @since 11.0.0
-	 */
-	public function getFilterById($id) {
-		$filters = $this->getFilters();
-
-		if (isset($filters[$id])) {
-			return $filters[$id];
-		}
-
-		throw new \InvalidArgumentException('Requested filter does not exist');
-	}
-
-	/** @var string[] */
-	protected $providerClasses = [];
-
-	/** @var IProvider[] */
-	protected $providers = [];
-
-	/**
-	 * @param string $provider Class must implement OCA\Activity\IProvider
-	 * @return void
-	 */
-	public function registerProvider($provider) {
-		$this->providerClasses[$provider] = false;
-	}
-
-	/**
-	 * @return IProvider[]
-	 * @throws \InvalidArgumentException
-	 */
-	public function getProviders() {
-		foreach ($this->providerClasses as $class => $false) {
-			/** @var IProvider $provider */
-			$provider = \OC::$server->query($class);
-
-			if (!$provider instanceof IProvider) {
-				throw new \InvalidArgumentException('Invalid activity provider registered');
-			}
-
-			$this->providers[] = $provider;
-
-			unset($this->providerClasses[$class]);
-		}
-		return $this->providers;
-	}
-
-	/** @var string[] */
-	protected $settingsClasses = [];
-
-	/** @var ISetting[] */
-	protected $settings = [];
-
-	/** @var bool */
-	protected $loadedLegacyTypes = false;
-
-	/**
-	 * @param string $setting Class must implement OCA\Activity\ISetting
-	 * @return void
-	 */
-	public function registerSetting($setting) {
-		$this->settingsClasses[$setting] = false;
-	}
-
-	/**
-	 * @return ISetting[]
-	 * @throws \InvalidArgumentException
-	 */
-	public function getSettings() {
-		if (!$this->loadedLegacyTypes) {
-			$l = \OC::$server->getL10N('core');
-			$legacyTypes = $this->getNotificationTypes($l->getLanguageCode());
-			$streamTypes = $this->getDefaultTypes(IExtension::METHOD_STREAM);
-			$mailTypes = $this->getDefaultTypes(IExtension::METHOD_MAIL);
-			foreach ($legacyTypes as $type => $data) {
-				if (is_string($data)) {
-					$desc = $data;
-					$canChangeStream = true;
-					$canChangeMail = true;
-				} else {
-					$desc = $data['desc'];
-					$canChangeStream = in_array(IExtension::METHOD_STREAM, $data['methods']);
-					$canChangeMail = in_array(IExtension::METHOD_MAIL, $data['methods']);
-				}
-
-				$this->settings[$type] = new LegacySetting(
-					$type, $desc,
-					$canChangeStream, in_array($type, $streamTypes),
-					$canChangeMail, in_array($type, $mailTypes)
-				);
-			}
-			$this->loadedLegacyTypes = true;
-		}
-
-		foreach ($this->settingsClasses as $class => $false) {
-			/** @var ISetting $setting */
-			$setting = \OC::$server->query($class);
-
-			if (!$setting instanceof ISetting) {
-				throw new \InvalidArgumentException('Invalid activity filter registered');
-			}
-
-			$this->settings[$setting->getIdentifier()] = $setting;
-
-			unset($this->settingsClasses[$class]);
-		}
-		return $this->settings;
-	}
-
-	/**
-	 * @param string $id
-	 * @return ISetting
-	 * @throws \InvalidArgumentException when the setting was not found
-	 * @since 11.0.0
-	 */
-	public function getSettingById($id) {
-		$settings = $this->getSettings();
-
-		if (isset($settings[$id])) {
-			return $settings[$id];
-		}
-
-		throw new \InvalidArgumentException('Requested setting does not exist');
-	}
-
-	/**
-	 * @param string $type
-	 * @return string
-	 */
-	public function getTypeIcon($type) {
-		if (isset($this->typeIcons[$type])) {
-			return $this->typeIcons[$type];
-		}
-
-		foreach ($this->getExtensions() as $c) {
-			$icon = $c->getTypeIcon($type);
-			if (is_string($icon)) {
-				$this->typeIcons[$type] = $icon;
-				return $icon;
-			}
-		}
-
-		$this->typeIcons[$type] = '';
-		return '';
-	}
-
-	/**
-	 * @param string $type
-	 * @param string $id
-	 */
-	public function setFormattingObject($type, $id) {
-		$this->formattingObjectType = $type;
-		$this->formattingObjectId = (string) $id;
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function isFormattingFilteredObject() {
-		return $this->formattingObjectType !== null && $this->formattingObjectId !== null
-			&& $this->formattingObjectType === $this->request->getParam('object_type')
-			&& $this->formattingObjectId === $this->request->getParam('object_id');
-	}
-
-	/**
-	 * @param bool $status Set to true, when parsing events should not use SVG icons
-	 */
-	public function setRequirePNG($status) {
-		$this->requirePNG = $status;
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function getRequirePNG() {
-		return $this->requirePNG;
-	}
-
-	/**
-	 * @param string $app
-	 * @param string $text
-	 * @param array $params
-	 * @param boolean $stripPath
-	 * @param boolean $highlightParams
-	 * @param string $languageCode
-	 * @return string|false
-	 */
-	public function translate($app, $text, $params, $stripPath, $highlightParams, $languageCode) {
-		foreach ($this->getExtensions() as $c) {
-			$translation = $c->translate($app, $text, $params, $stripPath, $highlightParams, $languageCode);
-			if (is_string($translation)) {
-				return $translation;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * @param string $app
-	 * @param string $text
-	 * @return array|false
-	 */
-	public function getSpecialParameterList($app, $text) {
-		if (isset($this->specialParameters[$app][$text])) {
-			return $this->specialParameters[$app][$text];
-		}
-
-		if (!isset($this->specialParameters[$app])) {
-			$this->specialParameters[$app] = array();
-		}
-
-		foreach ($this->getExtensions() as $c) {
-			$specialParameter = $c->getSpecialParameterList($app, $text);
-			if (is_array($specialParameter)) {
-				$this->specialParameters[$app][$text] = $specialParameter;
-				return $specialParameter;
-			}
-		}
-
-		$this->specialParameters[$app][$text] = false;
-		return false;
-	}
-
-	/**
-	 * @param array $activity
-	 * @return integer|false
-	 */
-	public function getGroupParameter($activity) {
-		foreach ($this->getExtensions() as $c) {
-			$parameter = $c->getGroupParameter($activity);
-			if ($parameter !== false) {
-				return $parameter;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Set the user we need to use
-	 *
-	 * @param string|null $currentUserId
-	 * @throws \UnexpectedValueException If the user is invalid
-	 */
-	public function setCurrentUserId($currentUserId) {
-		if (!is_string($currentUserId) && $currentUserId !== null) {
-			throw new \UnexpectedValueException('The given current user is invalid');
-		}
-		$this->currentUserId = $currentUserId;
-	}
-
-	/**
-	 * Get the user we need to use
-	 *
-	 * Either the user is logged in, or we try to get it from the token
-	 *
-	 * @return string
-	 * @throws \UnexpectedValueException If the token is invalid, does not exist or is not unique
-	 */
-	public function getCurrentUserId() {
-		if ($this->currentUserId !== null) {
-			return $this->currentUserId;
-		} else if (!$this->session->isLoggedIn()) {
-			return $this->getUserFromToken();
-		} else {
-			return $this->session->getUser()->getUID();
-		}
-	}
-
-	/**
-	 * Get the user for the token
-	 *
-	 * @return string
-	 * @throws \UnexpectedValueException If the token is invalid, does not exist or is not unique
-	 */
-	protected function getUserFromToken() {
-		$token = (string) $this->request->getParam('token', '');
-		if (strlen($token) !== 30) {
-			throw new \UnexpectedValueException('The token is invalid');
-		}
-
-		$users = $this->config->getUsersForUserValue('activity', 'rsstoken', $token);
-
-		if (count($users) !== 1) {
-			// No unique user found
-			throw new \UnexpectedValueException('The token is invalid');
-		}
-
-		// Token found login as that user
-		return array_shift($users);
-	}
-
-	/**
-	 * @return array
-	 * @deprecated 11.0.0 - Use getFilters() instead
-	 */
-	public function getNavigation() {
-		$entries = array(
-			'apps' => array(),
-			'top' => array(),
-		);
-		foreach ($this->getExtensions() as $c) {
-			$additionalEntries = $c->getNavigation();
-			if (is_array($additionalEntries)) {
-				$entries['apps'] = array_merge($entries['apps'], $additionalEntries['apps']);
-				$entries['top'] = array_merge($entries['top'], $additionalEntries['top']);
-			}
-		}
-
-		return $entries;
-	}
-
-	/**
-	 * @param string $filterValue
-	 * @return boolean
-	 * @deprecated 11.0.0 - Use getFilterById() instead
-	 */
-	public function isFilterValid($filterValue) {
-		if (isset($this->validFilters[$filterValue])) {
-			return $this->validFilters[$filterValue];
-		}
-
-		foreach ($this->getExtensions() as $c) {
-			if ($c->isFilterValid($filterValue) === true) {
-				$this->validFilters[$filterValue] = true;
-				return true;
-			}
-		}
-
-		$this->validFilters[$filterValue] = false;
-		return false;
-	}
-
-	/**
-	 * @param array $types
-	 * @param string $filter
-	 * @return array
-	 * @deprecated 11.0.0 - Use getFilterById()->filterTypes() instead
-	 */
-	public function filterNotificationTypes($types, $filter) {
-		if (!$this->isFilterValid($filter)) {
-			return $types;
-		}
-
-		foreach ($this->getExtensions() as $c) {
-			$result = $c->filterNotificationTypes($types, $filter);
-			if (is_array($result)) {
-				$types = $result;
-			}
-		}
-		return $types;
-	}
-
-	/**
-	 * @param string $filter
-	 * @return array
-	 * @deprecated 11.0.0 - Use getFilterById() instead
-	 */
-	public function getQueryForFilter($filter) {
-		if (!$this->isFilterValid($filter)) {
-			return [null, null];
-		}
-
-		$conditions = array();
-		$parameters = array();
-
-		foreach ($this->getExtensions() as $c) {
-			$result = $c->getQueryForFilter($filter);
-			if (is_array($result)) {
-				list($condition, $parameter) = $result;
-				if ($condition && is_array($parameter)) {
-					$conditions[] = $condition;
-					$parameters = array_merge($parameters, $parameter);
-				}
-			}
-		}
-
-		if (empty($conditions)) {
-			return array(null, null);
-		}
-
-		return array(' and ((' . implode(') or (', $conditions) . '))', $parameters);
-	}
-
-	/**
-	 * Will return additional notification types as specified by other apps
-	 *
-	 * @param string $languageCode
-	 * @return array
-	 * @deprecated 11.0.0 - Use getSettings() instead
-	 */
-	public function getNotificationTypes($languageCode) {
-		$notificationTypes = $sharingNotificationTypes = [];
-		foreach ($this->getExtensions() as $c) {
-			$result = $c->getNotificationTypes($languageCode);
-			if (is_array($result)) {
-				$notificationTypes = array_merge($notificationTypes, $result);
-			}
-		}
-
-		return array_merge($sharingNotificationTypes, $notificationTypes);
-	}
-
-	/**
-	 * @param string $method
-	 * @return array
-	 * @deprecated 11.0.0 - Use getSettings()->isDefaulEnabled<method>() instead
-	 */
-	public function getDefaultTypes($method) {
-		$defaultTypes = array();
-		foreach ($this->getExtensions() as $c) {
-			$types = $c->getDefaultTypes($method);
-			if (is_array($types)) {
-				$defaultTypes = array_merge($types, $defaultTypes);
-			}
-		}
-		return $defaultTypes;
-	}
+    /** @var IRequest */
+    protected $request;
+
+    /** @var IUserSession */
+    protected $session;
+
+    /** @var IConfig */
+    protected $config;
+
+    /** @var IValidator */
+    protected $validator;
+
+    /** @var string */
+    protected $formattingObjectType;
+
+    /** @var int */
+    protected $formattingObjectId;
+
+    /** @var bool */
+    protected $requirePNG;
+
+    /** @var string */
+    protected $currentUserId;
+
+    /**
+     * constructor of the controller
+     *
+     * @param IRequest $request
+     * @param IUserSession $session
+     * @param IConfig $config
+     * @param IValidator $validator
+     */
+    public function __construct(IRequest $request,
+                                IUserSession $session,
+                                IConfig $config,
+                                IValidator $validator) {
+        $this->request = $request;
+        $this->session = $session;
+        $this->config = $config;
+        $this->validator = $validator;
+    }
+
+    /** @var \Closure[] */
+    private $consumersClosures = array();
+
+    /** @var IConsumer[] */
+    private $consumers = array();
+
+    /** @var \Closure[] */
+    private $extensionsClosures = array();
+
+    /** @var IExtension[] */
+    private $extensions = array();
+
+    /** @var array list of filters "name" => "is valid" */
+    protected $validFilters = array(
+        'all'	=> true,
+        'by'	=> true,
+        'self'	=> true,
+    );
+
+    /** @var array list of type icons "type" => "css class" */
+    protected $typeIcons = array();
+
+    /** @var array list of special parameters "app" => ["text" => ["parameter" => "type"]] */
+    protected $specialParameters = array();
+
+    /**
+     * @return \OCP\Activity\IConsumer[]
+     */
+    protected function getConsumers() {
+        if (!empty($this->consumers)) {
+            return $this->consumers;
+        }
+
+        $this->consumers = [];
+        foreach($this->consumersClosures as $consumer) {
+            $c = $consumer();
+            if ($c instanceof IConsumer) {
+                $this->consumers[] = $c;
+            } else {
+                throw new \InvalidArgumentException('The given consumer does not implement the \OCP\Activity\IConsumer interface');
+            }
+        }
+
+        return $this->consumers;
+    }
+
+    /**
+     * @return \OCP\Activity\IExtension[]
+     */
+    protected function getExtensions() {
+        if (!empty($this->extensions)) {
+            return $this->extensions;
+        }
+
+        $this->extensions = [];
+        foreach($this->extensionsClosures as $extension) {
+            $e = $extension();
+            if ($e instanceof IExtension) {
+                $this->extensions[] = $e;
+            } else {
+                throw new \InvalidArgumentException('The given extension does not implement the \OCP\Activity\IExtension interface');
+            }
+        }
+
+        return $this->extensions;
+    }
+
+    /**
+     * Generates a new IEvent object
+     *
+     * Make sure to call at least the following methods before sending it to the
+     * app with via the publish() method:
+     *  - setApp()
+     *  - setType()
+     *  - setAffectedUser()
+     *  - setSubject()
+     *
+     * @return IEvent
+     */
+    public function generateEvent() {
+        return new Event($this->validator);
+    }
+
+    /**
+     * Publish an event to the activity consumers
+     *
+     * Make sure to call at least the following methods before sending an Event:
+     *  - setApp()
+     *  - setType()
+     *  - setAffectedUser()
+     *  - setSubject()
+     *
+     * @param IEvent $event
+     * @throws \BadMethodCallException if required values have not been set
+     */
+    public function publish(IEvent $event) {
+        if ($event->getAuthor() === '') {
+            if ($this->session->getUser() instanceof IUser) {
+                $event->setAuthor($this->session->getUser()->getUID());
+            }
+        }
+
+        if (!$event->getTimestamp()) {
+            $event->setTimestamp(time());
+        }
+
+        if (!$event->isValid()) {
+            throw new \BadMethodCallException('The given event is invalid');
+        }
+
+        foreach ($this->getConsumers() as $c) {
+            $c->receive($event);
+        }
+    }
+
+    /**
+     * @param string $app           The app where this event is associated with
+     * @param string $subject       A short description of the event
+     * @param array  $subjectParams Array with parameters that are filled in the subject
+     * @param string $message       A longer description of the event
+     * @param array  $messageParams Array with parameters that are filled in the message
+     * @param string $file          The file including path where this event is associated with
+     * @param string $link          A link where this event is associated with
+     * @param string $affectedUser  Recipient of the activity
+     * @param string $type          Type of the notification
+     * @param int    $priority      Priority of the notification
+     */
+    public function publishActivity($app, $subject, $subjectParams, $message, $messageParams, $file, $link, $affectedUser, $type, $priority) {
+        $event = $this->generateEvent();
+        $event->setApp($app)
+            ->setType($type)
+            ->setAffectedUser($affectedUser)
+            ->setSubject($subject, $subjectParams)
+            ->setMessage($message, $messageParams)
+            ->setObject('', 0, $file)
+            ->setLink($link);
+
+        $this->publish($event);
+    }
+
+    /**
+     * In order to improve lazy loading a closure can be registered which will be called in case
+     * activity consumers are actually requested
+     *
+     * $callable has to return an instance of OCA\Activity\IConsumer
+     *
+     * @param \Closure $callable
+     */
+    public function registerConsumer(\Closure $callable) {
+        $this->consumersClosures[] = $callable;
+        $this->consumers = [];
+    }
+
+    /**
+     * In order to improve lazy loading a closure can be registered which will be called in case
+     * activity consumers are actually requested
+     *
+     * $callable has to return an instance of OCA\Activity\IExtension
+     *
+     * @param \Closure $callable
+     */
+    public function registerExtension(\Closure $callable) {
+        $this->extensionsClosures[] = $callable;
+        $this->extensions = [];
+    }
+
+    /** @var string[] */
+    protected $filterClasses = [];
+
+    /** @var IFilter[] */
+    protected $filters = [];
+
+    /** @var bool */
+    protected $loadedLegacyFilters = false;
+
+    /**
+     * @param string $filter Class must implement OCA\Activity\IFilter
+     * @return void
+     */
+    public function registerFilter($filter) {
+        $this->filterClasses[$filter] = false;
+    }
+
+    /**
+     * @return IFilter[]
+     * @throws \InvalidArgumentException
+     */
+    public function getFilters() {
+        if (!$this->loadedLegacyFilters) {
+            $legacyFilters = $this->getNavigation();
+
+            foreach ($legacyFilters['top'] as $filter => $data) {
+                $this->filters[$filter] = new LegacyFilter(
+                    $this, $filter, $data['name'], true
+                );
+            }
+
+            foreach ($legacyFilters['apps'] as $filter => $data) {
+                $this->filters[$filter] = new LegacyFilter(
+                    $this, $filter, $data['name'], false
+                );
+            }
+            $this->loadedLegacyFilters = true;
+        }
+
+        foreach ($this->filterClasses as $class => $false) {
+            /** @var IFilter $filter */
+            $filter = \OC::$server->query($class);
+
+            if (!$filter instanceof IFilter) {
+                throw new \InvalidArgumentException('Invalid activity filter registered');
+            }
+
+            $this->filters[$filter->getIdentifier()] = $filter;
+
+            unset($this->filterClasses[$class]);
+        }
+        return $this->filters;
+    }
+
+    /**
+     * @param string $id
+     * @return IFilter
+     * @throws \InvalidArgumentException when the filter was not found
+     * @since 11.0.0
+     */
+    public function getFilterById($id) {
+        $filters = $this->getFilters();
+
+        if (isset($filters[$id])) {
+            return $filters[$id];
+        }
+
+        throw new \InvalidArgumentException('Requested filter does not exist');
+    }
+
+    /** @var string[] */
+    protected $providerClasses = [];
+
+    /** @var IProvider[] */
+    protected $providers = [];
+
+    /**
+     * @param string $provider Class must implement OCA\Activity\IProvider
+     * @return void
+     */
+    public function registerProvider($provider) {
+        $this->providerClasses[$provider] = false;
+    }
+
+    /**
+     * @return IProvider[]
+     * @throws \InvalidArgumentException
+     */
+    public function getProviders() {
+        foreach ($this->providerClasses as $class => $false) {
+            /** @var IProvider $provider */
+            $provider = \OC::$server->query($class);
+
+            if (!$provider instanceof IProvider) {
+                throw new \InvalidArgumentException('Invalid activity provider registered');
+            }
+
+            $this->providers[] = $provider;
+
+            unset($this->providerClasses[$class]);
+        }
+        return $this->providers;
+    }
+
+    /** @var string[] */
+    protected $settingsClasses = [];
+
+    /** @var ISetting[] */
+    protected $settings = [];
+
+    /** @var bool */
+    protected $loadedLegacyTypes = false;
+
+    /**
+     * @param string $setting Class must implement OCA\Activity\ISetting
+     * @return void
+     */
+    public function registerSetting($setting) {
+        $this->settingsClasses[$setting] = false;
+    }
+
+    /**
+     * @return ISetting[]
+     * @throws \InvalidArgumentException
+     */
+    public function getSettings() {
+        if (!$this->loadedLegacyTypes) {
+            $l = \OC::$server->getL10N('core');
+            $legacyTypes = $this->getNotificationTypes($l->getLanguageCode());
+            $streamTypes = $this->getDefaultTypes(IExtension::METHOD_STREAM);
+            $mailTypes = $this->getDefaultTypes(IExtension::METHOD_MAIL);
+            foreach ($legacyTypes as $type => $data) {
+                if (is_string($data)) {
+                    $desc = $data;
+                    $canChangeStream = true;
+                    $canChangeMail = true;
+                } else {
+                    $desc = $data['desc'];
+                    $canChangeStream = in_array(IExtension::METHOD_STREAM, $data['methods']);
+                    $canChangeMail = in_array(IExtension::METHOD_MAIL, $data['methods']);
+                }
+
+                $this->settings[$type] = new LegacySetting(
+                    $type, $desc,
+                    $canChangeStream, in_array($type, $streamTypes),
+                    $canChangeMail, in_array($type, $mailTypes)
+                );
+            }
+            $this->loadedLegacyTypes = true;
+        }
+
+        foreach ($this->settingsClasses as $class => $false) {
+            /** @var ISetting $setting */
+            $setting = \OC::$server->query($class);
+
+            if (!$setting instanceof ISetting) {
+                throw new \InvalidArgumentException('Invalid activity filter registered');
+            }
+
+            $this->settings[$setting->getIdentifier()] = $setting;
+
+            unset($this->settingsClasses[$class]);
+        }
+        return $this->settings;
+    }
+
+    /**
+     * @param string $id
+     * @return ISetting
+     * @throws \InvalidArgumentException when the setting was not found
+     * @since 11.0.0
+     */
+    public function getSettingById($id) {
+        $settings = $this->getSettings();
+
+        if (isset($settings[$id])) {
+            return $settings[$id];
+        }
+
+        throw new \InvalidArgumentException('Requested setting does not exist');
+    }
+
+    /**
+     * @param string $type
+     * @return string
+     */
+    public function getTypeIcon($type) {
+        if (isset($this->typeIcons[$type])) {
+            return $this->typeIcons[$type];
+        }
+
+        foreach ($this->getExtensions() as $c) {
+            $icon = $c->getTypeIcon($type);
+            if (is_string($icon)) {
+                $this->typeIcons[$type] = $icon;
+                return $icon;
+            }
+        }
+
+        $this->typeIcons[$type] = '';
+        return '';
+    }
+
+    /**
+     * @param string $type
+     * @param string $id
+     */
+    public function setFormattingObject($type, $id) {
+        $this->formattingObjectType = $type;
+        $this->formattingObjectId = (string) $id;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isFormattingFilteredObject() {
+        return $this->formattingObjectType !== null && $this->formattingObjectId !== null
+            && $this->formattingObjectType === $this->request->getParam('object_type')
+            && $this->formattingObjectId === $this->request->getParam('object_id');
+    }
+
+    /**
+     * @param bool $status Set to true, when parsing events should not use SVG icons
+     */
+    public function setRequirePNG($status) {
+        $this->requirePNG = $status;
+    }
+
+    /**
+     * @return bool
+     */
+    public function getRequirePNG() {
+        return $this->requirePNG;
+    }
+
+    /**
+     * @param string $app
+     * @param string $text
+     * @param array $params
+     * @param boolean $stripPath
+     * @param boolean $highlightParams
+     * @param string $languageCode
+     * @return string|false
+     */
+    public function translate($app, $text, $params, $stripPath, $highlightParams, $languageCode) {
+        foreach ($this->getExtensions() as $c) {
+            $translation = $c->translate($app, $text, $params, $stripPath, $highlightParams, $languageCode);
+            if (is_string($translation)) {
+                return $translation;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * @param string $app
+     * @param string $text
+     * @return array|false
+     */
+    public function getSpecialParameterList($app, $text) {
+        if (isset($this->specialParameters[$app][$text])) {
+            return $this->specialParameters[$app][$text];
+        }
+
+        if (!isset($this->specialParameters[$app])) {
+            $this->specialParameters[$app] = array();
+        }
+
+        foreach ($this->getExtensions() as $c) {
+            $specialParameter = $c->getSpecialParameterList($app, $text);
+            if (is_array($specialParameter)) {
+                $this->specialParameters[$app][$text] = $specialParameter;
+                return $specialParameter;
+            }
+        }
+
+        $this->specialParameters[$app][$text] = false;
+        return false;
+    }
+
+    /**
+     * @param array $activity
+     * @return integer|false
+     */
+    public function getGroupParameter($activity) {
+        foreach ($this->getExtensions() as $c) {
+            $parameter = $c->getGroupParameter($activity);
+            if ($parameter !== false) {
+                return $parameter;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Set the user we need to use
+     *
+     * @param string|null $currentUserId
+     * @throws \UnexpectedValueException If the user is invalid
+     */
+    public function setCurrentUserId($currentUserId) {
+        if (!is_string($currentUserId) && $currentUserId !== null) {
+            throw new \UnexpectedValueException('The given current user is invalid');
+        }
+        $this->currentUserId = $currentUserId;
+    }
+
+    /**
+     * Get the user we need to use
+     *
+     * Either the user is logged in, or we try to get it from the token
+     *
+     * @return string
+     * @throws \UnexpectedValueException If the token is invalid, does not exist or is not unique
+     */
+    public function getCurrentUserId() {
+        if ($this->currentUserId !== null) {
+            return $this->currentUserId;
+        } else if (!$this->session->isLoggedIn()) {
+            return $this->getUserFromToken();
+        } else {
+            return $this->session->getUser()->getUID();
+        }
+    }
+
+    /**
+     * Get the user for the token
+     *
+     * @return string
+     * @throws \UnexpectedValueException If the token is invalid, does not exist or is not unique
+     */
+    protected function getUserFromToken() {
+        $token = (string) $this->request->getParam('token', '');
+        if (strlen($token) !== 30) {
+            throw new \UnexpectedValueException('The token is invalid');
+        }
+
+        $users = $this->config->getUsersForUserValue('activity', 'rsstoken', $token);
+
+        if (count($users) !== 1) {
+            // No unique user found
+            throw new \UnexpectedValueException('The token is invalid');
+        }
+
+        // Token found login as that user
+        return array_shift($users);
+    }
+
+    /**
+     * @return array
+     * @deprecated 11.0.0 - Use getFilters() instead
+     */
+    public function getNavigation() {
+        $entries = array(
+            'apps' => array(),
+            'top' => array(),
+        );
+        foreach ($this->getExtensions() as $c) {
+            $additionalEntries = $c->getNavigation();
+            if (is_array($additionalEntries)) {
+                $entries['apps'] = array_merge($entries['apps'], $additionalEntries['apps']);
+                $entries['top'] = array_merge($entries['top'], $additionalEntries['top']);
+            }
+        }
+
+        return $entries;
+    }
+
+    /**
+     * @param string $filterValue
+     * @return boolean
+     * @deprecated 11.0.0 - Use getFilterById() instead
+     */
+    public function isFilterValid($filterValue) {
+        if (isset($this->validFilters[$filterValue])) {
+            return $this->validFilters[$filterValue];
+        }
+
+        foreach ($this->getExtensions() as $c) {
+            if ($c->isFilterValid($filterValue) === true) {
+                $this->validFilters[$filterValue] = true;
+                return true;
+            }
+        }
+
+        $this->validFilters[$filterValue] = false;
+        return false;
+    }
+
+    /**
+     * @param array $types
+     * @param string $filter
+     * @return array
+     * @deprecated 11.0.0 - Use getFilterById()->filterTypes() instead
+     */
+    public function filterNotificationTypes($types, $filter) {
+        if (!$this->isFilterValid($filter)) {
+            return $types;
+        }
+
+        foreach ($this->getExtensions() as $c) {
+            $result = $c->filterNotificationTypes($types, $filter);
+            if (is_array($result)) {
+                $types = $result;
+            }
+        }
+        return $types;
+    }
+
+    /**
+     * @param string $filter
+     * @return array
+     * @deprecated 11.0.0 - Use getFilterById() instead
+     */
+    public function getQueryForFilter($filter) {
+        if (!$this->isFilterValid($filter)) {
+            return [null, null];
+        }
+
+        $conditions = array();
+        $parameters = array();
+
+        foreach ($this->getExtensions() as $c) {
+            $result = $c->getQueryForFilter($filter);
+            if (is_array($result)) {
+                list($condition, $parameter) = $result;
+                if ($condition && is_array($parameter)) {
+                    $conditions[] = $condition;
+                    $parameters = array_merge($parameters, $parameter);
+                }
+            }
+        }
+
+        if (empty($conditions)) {
+            return array(null, null);
+        }
+
+        return array(' and ((' . implode(') or (', $conditions) . '))', $parameters);
+    }
+
+    /**
+     * Will return additional notification types as specified by other apps
+     *
+     * @param string $languageCode
+     * @return array
+     * @deprecated 11.0.0 - Use getSettings() instead
+     */
+    public function getNotificationTypes($languageCode) {
+        $notificationTypes = $sharingNotificationTypes = [];
+        foreach ($this->getExtensions() as $c) {
+            $result = $c->getNotificationTypes($languageCode);
+            if (is_array($result)) {
+                $notificationTypes = array_merge($notificationTypes, $result);
+            }
+        }
+
+        return array_merge($sharingNotificationTypes, $notificationTypes);
+    }
+
+    /**
+     * @param string $method
+     * @return array
+     * @deprecated 11.0.0 - Use getSettings()->isDefaulEnabled<method>() instead
+     */
+    public function getDefaultTypes($method) {
+        $defaultTypes = array();
+        foreach ($this->getExtensions() as $c) {
+            $types = $c->getDefaultTypes($method);
+            if (is_array($types)) {
+                $defaultTypes = array_merge($types, $defaultTypes);
+            }
+        }
+        return $defaultTypes;
+    }
 }

apps/files_versions/lib/Storage.php

Indentation +792 added lines, -792 removed lines

@@ -54,797 +54,797 @@
 
 class Storage {
 
-	const DEFAULTENABLED=true;
-	const DEFAULTMAXSIZE=50; // unit: percentage; 50% of available disk space/quota
-	const VERSIONS_ROOT = 'files_versions/';
-
-	const DELETE_TRIGGER_MASTER_REMOVED = 0;
-	const DELETE_TRIGGER_RETENTION_CONSTRAINT = 1;
-	const DELETE_TRIGGER_QUOTA_EXCEEDED = 2;
-
-	// files for which we can remove the versions after the delete operation was successful
-	private static $deletedFiles = array();
-
-	private static $sourcePathAndUser = array();
-
-	private static $max_versions_per_interval = array(
-		//first 10sec, one version every 2sec
-		1 => array('intervalEndsAfter' => 10,      'step' => 2),
-		//next minute, one version every 10sec
-		2 => array('intervalEndsAfter' => 60,      'step' => 10),
-		//next hour, one version every minute
-		3 => array('intervalEndsAfter' => 3600,    'step' => 60),
-		//next 24h, one version every hour
-		4 => array('intervalEndsAfter' => 86400,   'step' => 3600),
-		//next 30days, one version per day
-		5 => array('intervalEndsAfter' => 2592000, 'step' => 86400),
-		//until the end one version per week
-		6 => array('intervalEndsAfter' => -1,      'step' => 604800),
-	);
-
-	/** @var \OCA\Files_Versions\AppInfo\Application */
-	private static $application;
-
-	/**
-	 * get the UID of the owner of the file and the path to the file relative to
-	 * owners files folder
-	 *
-	 * @param string $filename
-	 * @return array
-	 * @throws \OC\User\NoUserException
-	 */
-	public static function getUidAndFilename($filename) {
-		$uid = Filesystem::getOwner($filename);
-		$userManager = \OC::$server->getUserManager();
-		// if the user with the UID doesn't exists, e.g. because the UID points
-		// to a remote user with a federated cloud ID we use the current logged-in
-		// user. We need a valid local user to create the versions
-		if (!$userManager->userExists($uid)) {
-			$uid = User::getUser();
-		}
-		Filesystem::initMountPoints($uid);
-		if ( $uid !== User::getUser() ) {
-			$info = Filesystem::getFileInfo($filename);
-			$ownerView = new View('/'.$uid.'/files');
-			try {
-				$filename = $ownerView->getPath($info['fileid']);
-				// make sure that the file name doesn't end with a trailing slash
-				// can for example happen single files shared across servers
-				$filename = rtrim($filename, '/');
-			} catch (NotFoundException $e) {
-				$filename = null;
-			}
-		}
-		return [$uid, $filename];
-	}
-
-	/**
-	 * Remember the owner and the owner path of the source file
-	 *
-	 * @param string $source source path
-	 */
-	public static function setSourcePathAndUser($source) {
-		list($uid, $path) = self::getUidAndFilename($source);
-		self::$sourcePathAndUser[$source] = array('uid' => $uid, 'path' => $path);
-	}
-
-	/**
-	 * Gets the owner and the owner path from the source path
-	 *
-	 * @param string $source source path
-	 * @return array with user id and path
-	 */
-	public static function getSourcePathAndUser($source) {
-
-		if (isset(self::$sourcePathAndUser[$source])) {
-			$uid = self::$sourcePathAndUser[$source]['uid'];
-			$path = self::$sourcePathAndUser[$source]['path'];
-			unset(self::$sourcePathAndUser[$source]);
-		} else {
-			$uid = $path = false;
-		}
-		return array($uid, $path);
-	}
-
-	/**
-	 * get current size of all versions from a given user
-	 *
-	 * @param string $user user who owns the versions
-	 * @return int versions size
-	 */
-	private static function getVersionsSize($user) {
-		$view = new View('/' . $user);
-		$fileInfo = $view->getFileInfo('/files_versions');
-		return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
-	}
-
-	/**
-	 * store a new version of a file.
-	 */
-	public static function store($filename) {
-
-		// if the file gets streamed we need to remove the .part extension
-		// to get the right target
-		$ext = pathinfo($filename, PATHINFO_EXTENSION);
-		if ($ext === 'part') {
-			$filename = substr($filename, 0, strlen($filename) - 5);
-		}
-
-		// we only handle existing files
-		if (! Filesystem::file_exists($filename) || Filesystem::is_dir($filename)) {
-			return false;
-		}
-
-		list($uid, $filename) = self::getUidAndFilename($filename);
-
-		$files_view = new View('/'.$uid .'/files');
-		$users_view = new View('/'.$uid);
-
-		$eventDispatcher = \OC::$server->getEventDispatcher();
-		$id = $files_view->getFileInfo($filename)->getId();
-		$nodes = \OC::$server->getRootFolder()->getById($id);
-		foreach ($nodes as $node) {
-			$event = new CreateVersionEvent($node);
-			$eventDispatcher->dispatch('OCA\Files_Versions::createVersion', $event);
-			if ($event->shouldCreateVersion() === false) {
-				return false;
-			}
-		}
-
-		// no use making versions for empty files
-		if ($files_view->filesize($filename) === 0) {
-			return false;
-		}
-
-		// create all parent folders
-		self::createMissingDirectories($filename, $users_view);
-
-		self::scheduleExpire($uid, $filename);
-
-		// store a new version of a file
-		$mtime = $users_view->filemtime('files/' . $filename);
-		$users_view->copy('files/' . $filename, 'files_versions/' . $filename . '.v' . $mtime);
-		// call getFileInfo to enforce a file cache entry for the new version
-		$users_view->getFileInfo('files_versions/' . $filename . '.v' . $mtime);
-	}
-
-
-	/**
-	 * mark file as deleted so that we can remove the versions if the file is gone
-	 * @param string $path
-	 */
-	public static function markDeletedFile($path) {
-		list($uid, $filename) = self::getUidAndFilename($path);
-		self::$deletedFiles[$path] = array(
-			'uid' => $uid,
-			'filename' => $filename);
-	}
-
-	/**
-	 * delete the version from the storage and cache
-	 *
-	 * @param View $view
-	 * @param string $path
-	 */
-	protected static function deleteVersion($view, $path) {
-		$view->unlink($path);
-		/**
-		 * @var \OC\Files\Storage\Storage $storage
-		 * @var string $internalPath
-		 */
-		list($storage, $internalPath) = $view->resolvePath($path);
-		$cache = $storage->getCache($internalPath);
-		$cache->remove($internalPath);
-	}
-
-	/**
-	 * Delete versions of a file
-	 */
-	public static function delete($path) {
-
-		$deletedFile = self::$deletedFiles[$path];
-		$uid = $deletedFile['uid'];
-		$filename = $deletedFile['filename'];
-
-		if (!Filesystem::file_exists($path)) {
-
-			$view = new View('/' . $uid . '/files_versions');
-
-			$versions = self::getVersions($uid, $filename);
-			if (!empty($versions)) {
-				foreach ($versions as $v) {
-					\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
-					self::deleteVersion($view, $filename . '.v' . $v['version']);
-					\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
-				}
-			}
-		}
-		unset(self::$deletedFiles[$path]);
-	}
-
-	/**
-	 * Rename or copy versions of a file of the given paths
-	 *
-	 * @param string $sourcePath source path of the file to move, relative to
-	 * the currently logged in user's "files" folder
-	 * @param string $targetPath target path of the file to move, relative to
-	 * the currently logged in user's "files" folder
-	 * @param string $operation can be 'copy' or 'rename'
-	 */
-	public static function renameOrCopy($sourcePath, $targetPath, $operation) {
-		list($sourceOwner, $sourcePath) = self::getSourcePathAndUser($sourcePath);
-
-		// it was a upload of a existing file if no old path exists
-		// in this case the pre-hook already called the store method and we can
-		// stop here
-		if ($sourcePath === false) {
-			return true;
-		}
-
-		list($targetOwner, $targetPath) = self::getUidAndFilename($targetPath);
-
-		$sourcePath = ltrim($sourcePath, '/');
-		$targetPath = ltrim($targetPath, '/');
-
-		$rootView = new View('');
-
-		// did we move a directory ?
-		if ($rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
-			// does the directory exists for versions too ?
-			if ($rootView->is_dir('/' . $sourceOwner . '/files_versions/' . $sourcePath)) {
-				// create missing dirs if necessary
-				self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
-
-				// move the directory containing the versions
-				$rootView->$operation(
-					'/' . $sourceOwner . '/files_versions/' . $sourcePath,
-					'/' . $targetOwner . '/files_versions/' . $targetPath
-				);
-			}
-		} else if ($versions = Storage::getVersions($sourceOwner, '/' . $sourcePath)) {
-			// create missing dirs if necessary
-			self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
-
-			foreach ($versions as $v) {
-				// move each version one by one to the target directory
-				$rootView->$operation(
-					'/' . $sourceOwner . '/files_versions/' . $sourcePath.'.v' . $v['version'],
-					'/' . $targetOwner . '/files_versions/' . $targetPath.'.v'.$v['version']
-				);
-			}
-		}
-
-		// if we moved versions directly for a file, schedule expiration check for that file
-		if (!$rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
-			self::scheduleExpire($targetOwner, $targetPath);
-		}
-
-	}
-
-	/**
-	 * Rollback to an old version of a file.
-	 *
-	 * @param string $file file name
-	 * @param int $revision revision timestamp
-	 * @return bool
-	 */
-	public static function rollback($file, $revision) {
-
-		// add expected leading slash
-		$file = '/' . ltrim($file, '/');
-		list($uid, $filename) = self::getUidAndFilename($file);
-		if ($uid === null || trim($filename, '/') === '') {
-			return false;
-		}
-
-		$users_view = new View('/'.$uid);
-		$files_view = new View('/'. User::getUser().'/files');
-
-		$versionCreated = false;
-
-		$fileInfo = $files_view->getFileInfo($file);
-
-		// check if user has the permissions to revert a version
-		if (!$fileInfo->isUpdateable()) {
-			return false;
-		}
-
-		//first create a new version
-		$version = 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename);
-		if (!$users_view->file_exists($version)) {
-			$users_view->copy('files'.$filename, 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename));
-			$versionCreated = true;
-		}
-
-		$fileToRestore =  'files_versions' . $filename . '.v' . $revision;
-
-		// Restore encrypted version of the old file for the newly restored file
-		// This has to happen manually here since the file is manually copied below
-		$oldVersion = $users_view->getFileInfo($fileToRestore)->getEncryptedVersion();
-		$oldFileInfo = $users_view->getFileInfo($fileToRestore);
-		$cache = $fileInfo->getStorage()->getCache();
-		$cache->update(
-			$fileInfo->getId(), [
-				'encrypted' => $oldVersion,
-				'encryptedVersion' => $oldVersion,
-				'size' => $oldFileInfo->getSize()
-			]
-		);
-
-		// rollback
-		if (self::copyFileContents($users_view, $fileToRestore, 'files' . $filename)) {
-			$files_view->touch($file, $revision);
-			Storage::scheduleExpire($uid, $file);
-			\OC_Hook::emit('\OCP\Versions', 'rollback', array(
-				'path' => $filename,
-				'revision' => $revision,
-			));
-			return true;
-		} else if ($versionCreated) {
-			self::deleteVersion($users_view, $version);
-		}
-
-		return false;
-
-	}
-
-	/**
-	 * Stream copy file contents from $path1 to $path2
-	 *
-	 * @param View $view view to use for copying
-	 * @param string $path1 source file to copy
-	 * @param string $path2 target file
-	 *
-	 * @return bool true for success, false otherwise
-	 */
-	private static function copyFileContents($view, $path1, $path2) {
-		/** @var \OC\Files\Storage\Storage $storage1 */
-		list($storage1, $internalPath1) = $view->resolvePath($path1);
-		/** @var \OC\Files\Storage\Storage $storage2 */
-		list($storage2, $internalPath2) = $view->resolvePath($path2);
-
-		$view->lockFile($path1, ILockingProvider::LOCK_EXCLUSIVE);
-		$view->lockFile($path2, ILockingProvider::LOCK_EXCLUSIVE);
-
-		// TODO add a proper way of overwriting a file while maintaining file ids
-		if ($storage1->instanceOfStorage('\OC\Files\ObjectStore\ObjectStoreStorage') || $storage2->instanceOfStorage('\OC\Files\ObjectStore\ObjectStoreStorage')) {
-			$source = $storage1->fopen($internalPath1, 'r');
-			$target = $storage2->fopen($internalPath2, 'w');
-			list(, $result) = \OC_Helper::streamCopy($source, $target);
-			fclose($source);
-			fclose($target);
-
-			if ($result !== false) {
-				$storage1->unlink($internalPath1);
-			}
-		} else {
-			$result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
-		}
-
-		$view->unlockFile($path1, ILockingProvider::LOCK_EXCLUSIVE);
-		$view->unlockFile($path2, ILockingProvider::LOCK_EXCLUSIVE);
-
-		return ($result !== false);
-	}
-
-	/**
-	 * get a list of all available versions of a file in descending chronological order
-	 * @param string $uid user id from the owner of the file
-	 * @param string $filename file to find versions of, relative to the user files dir
-	 * @param string $userFullPath
-	 * @return array versions newest version first
-	 */
-	public static function getVersions($uid, $filename, $userFullPath = '') {
-		$versions = array();
-		if (empty($filename)) {
-			return $versions;
-		}
-		// fetch for old versions
-		$view = new View('/' . $uid . '/');
-
-		$pathinfo = pathinfo($filename);
-		$versionedFile = $pathinfo['basename'];
-
-		$dir = Filesystem::normalizePath(self::VERSIONS_ROOT . '/' . $pathinfo['dirname']);
-
-		$dirContent = false;
-		if ($view->is_dir($dir)) {
-			$dirContent = $view->opendir($dir);
-		}
-
-		if ($dirContent === false) {
-			return $versions;
-		}
-
-		if (is_resource($dirContent)) {
-			while (($entryName = readdir($dirContent)) !== false) {
-				if (!Filesystem::isIgnoredDir($entryName)) {
-					$pathparts = pathinfo($entryName);
-					$filename = $pathparts['filename'];
-					if ($filename === $versionedFile) {
-						$pathparts = pathinfo($entryName);
-						$timestamp = substr($pathparts['extension'], 1);
-						$filename = $pathparts['filename'];
-						$key = $timestamp . '#' . $filename;
-						$versions[$key]['version'] = $timestamp;
-						$versions[$key]['humanReadableTimestamp'] = self::getHumanReadableTimestamp($timestamp);
-						if (empty($userFullPath)) {
-							$versions[$key]['preview'] = '';
-						} else {
-							$versions[$key]['preview'] = \OC::$server->getURLGenerator('files_version.Preview.getPreview', ['file' => $userFullPath, 'version' => $timestamp]);
-						}
-						$versions[$key]['path'] = Filesystem::normalizePath($pathinfo['dirname'] . '/' . $filename);
-						$versions[$key]['name'] = $versionedFile;
-						$versions[$key]['size'] = $view->filesize($dir . '/' . $entryName);
-						$versions[$key]['mimetype'] = \OC::$server->getMimeTypeDetector()->detectPath($versionedFile);
-					}
-				}
-			}
-			closedir($dirContent);
-		}
-
-		// sort with newest version first
-		krsort($versions);
-
-		return $versions;
-	}
-
-	/**
-	 * Expire versions that older than max version retention time
-	 * @param string $uid
-	 */
-	public static function expireOlderThanMaxForUser($uid){
-		$expiration = self::getExpiration();
-		$threshold = $expiration->getMaxAgeAsTimestamp();
-		$versions = self::getAllVersions($uid);
-		if (!$threshold || !array_key_exists('all', $versions)) {
-			return;
-		}
-
-		$toDelete = [];
-		foreach (array_reverse($versions['all']) as $key => $version) {
-			if (intval($version['version'])<$threshold) {
-				$toDelete[$key] = $version;
-			} else {
-				//Versions are sorted by time - nothing mo to iterate.
-				break;
-			}
-		}
-
-		$view = new View('/' . $uid . '/files_versions');
-		if (!empty($toDelete)) {
-			foreach ($toDelete as $version) {
-				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
-				self::deleteVersion($view, $version['path'] . '.v' . $version['version']);
-				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
-			}
-		}
-	}
-
-	/**
-	 * translate a timestamp into a string like "5 days ago"
-	 * @param int $timestamp
-	 * @return string for example "5 days ago"
-	 */
-	private static function getHumanReadableTimestamp($timestamp) {
-
-		$diff = time() - $timestamp;
-
-		if ($diff < 60) { // first minute
-			return  $diff . " seconds ago";
-		} elseif ($diff < 3600) { //first hour
-			return round($diff / 60) . " minutes ago";
-		} elseif ($diff < 86400) { // first day
-			return round($diff / 3600) . " hours ago";
-		} elseif ($diff < 604800) { //first week
-			return round($diff / 86400) . " days ago";
-		} elseif ($diff < 2419200) { //first month
-			return round($diff / 604800) . " weeks ago";
-		} elseif ($diff < 29030400) { // first year
-			return round($diff / 2419200) . " months ago";
-		} else {
-			return round($diff / 29030400) . " years ago";
-		}
-
-	}
-
-	/**
-	 * returns all stored file versions from a given user
-	 * @param string $uid id of the user
-	 * @return array with contains two arrays 'all' which contains all versions sorted by age and 'by_file' which contains all versions sorted by filename
-	 */
-	private static function getAllVersions($uid) {
-		$view = new View('/' . $uid . '/');
-		$dirs = array(self::VERSIONS_ROOT);
-		$versions = array();
-
-		while (!empty($dirs)) {
-			$dir = array_pop($dirs);
-			$files = $view->getDirectoryContent($dir);
-
-			foreach ($files as $file) {
-				$fileData = $file->getData();
-				$filePath = $dir . '/' . $fileData['name'];
-				if ($file['type'] === 'dir') {
-					$dirs[] = $filePath;
-				} else {
-					$versionsBegin = strrpos($filePath, '.v');
-					$relPathStart = strlen(self::VERSIONS_ROOT);
-					$version = substr($filePath, $versionsBegin + 2);
-					$relpath = substr($filePath, $relPathStart, $versionsBegin - $relPathStart);
-					$key = $version . '#' . $relpath;
-					$versions[$key] = array('path' => $relpath, 'timestamp' => $version);
-				}
-			}
-		}
-
-		// newest version first
-		krsort($versions);
-
-		$result = array();
-
-		foreach ($versions as $key => $value) {
-			$size = $view->filesize(self::VERSIONS_ROOT.'/'.$value['path'].'.v'.$value['timestamp']);
-			$filename = $value['path'];
-
-			$result['all'][$key]['version'] = $value['timestamp'];
-			$result['all'][$key]['path'] = $filename;
-			$result['all'][$key]['size'] = $size;
-
-			$result['by_file'][$filename][$key]['version'] = $value['timestamp'];
-			$result['by_file'][$filename][$key]['path'] = $filename;
-			$result['by_file'][$filename][$key]['size'] = $size;
-		}
-
-		return $result;
-	}
-
-	/**
-	 * get list of files we want to expire
-	 * @param array $versions list of versions
-	 * @param integer $time
-	 * @param bool $quotaExceeded is versions storage limit reached
-	 * @return array containing the list of to deleted versions and the size of them
-	 */
-	protected static function getExpireList($time, $versions, $quotaExceeded = false) {
-		$expiration = self::getExpiration();
-
-		if ($expiration->shouldAutoExpire()) {
-			list($toDelete, $size) = self::getAutoExpireList($time, $versions);
-		} else {
-			$size = 0;
-			$toDelete = [];  // versions we want to delete
-		}
-
-		foreach ($versions as $key => $version) {
-			if ($expiration->isExpired($version['version'], $quotaExceeded) && !isset($toDelete[$key])) {
-				$size += $version['size'];
-				$toDelete[$key] = $version['path'] . '.v' . $version['version'];
-			}
-		}
-
-		return [$toDelete, $size];
-	}
-
-	/**
-	 * get list of files we want to expire
-	 * @param array $versions list of versions
-	 * @param integer $time
-	 * @return array containing the list of to deleted versions and the size of them
-	 */
-	protected static function getAutoExpireList($time, $versions) {
-		$size = 0;
-		$toDelete = array();  // versions we want to delete
-
-		$interval = 1;
-		$step = Storage::$max_versions_per_interval[$interval]['step'];
-		if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] === -1) {
-			$nextInterval = -1;
-		} else {
-			$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
-		}
-
-		$firstVersion = reset($versions);
-		$firstKey = key($versions);
-		$prevTimestamp = $firstVersion['version'];
-		$nextVersion = $firstVersion['version'] - $step;
-		unset($versions[$firstKey]);
-
-		foreach ($versions as $key => $version) {
-			$newInterval = true;
-			while ($newInterval) {
-				if ($nextInterval === -1 || $prevTimestamp > $nextInterval) {
-					if ($version['version'] > $nextVersion) {
-						//distance between two version too small, mark to delete
-						$toDelete[$key] = $version['path'] . '.v' . $version['version'];
-						$size += $version['size'];
-						\OCP\Util::writeLog('files_versions', 'Mark to expire '. $version['path'] .' next version should be ' . $nextVersion . " or smaller. (prevTimestamp: " . $prevTimestamp . "; step: " . $step, \OCP\Util::INFO);
-					} else {
-						$nextVersion = $version['version'] - $step;
-						$prevTimestamp = $version['version'];
-					}
-					$newInterval = false; // version checked so we can move to the next one
-				} else { // time to move on to the next interval
-					$interval++;
-					$step = Storage::$max_versions_per_interval[$interval]['step'];
-					$nextVersion = $prevTimestamp - $step;
-					if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] === -1) {
-						$nextInterval = -1;
-					} else {
-						$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
-					}
-					$newInterval = true; // we changed the interval -> check same version with new interval
-				}
-			}
-		}
-
-		return array($toDelete, $size);
-	}
-
-	/**
-	 * Schedule versions expiration for the given file
-	 *
-	 * @param string $uid owner of the file
-	 * @param string $fileName file/folder for which to schedule expiration
-	 */
-	private static function scheduleExpire($uid, $fileName) {
-		// let the admin disable auto expire
-		$expiration = self::getExpiration();
-		if ($expiration->isEnabled()) {
-			$command = new Expire($uid, $fileName);
-			\OC::$server->getCommandBus()->push($command);
-		}
-	}
-
-	/**
-	 * Expire versions which exceed the quota.
-	 *
-	 * This will setup the filesystem for the given user but will not
-	 * tear it down afterwards.
-	 *
-	 * @param string $filename path to file to expire
-	 * @param string $uid user for which to expire the version
-	 * @return bool|int|null
-	 */
-	public static function expire($filename, $uid) {
-		$expiration = self::getExpiration();
-
-		if ($expiration->isEnabled()) {
-			// get available disk space for user
-			$user = \OC::$server->getUserManager()->get($uid);
-			if (is_null($user)) {
-				\OCP\Util::writeLog('files_versions', 'Backends provided no user object for ' . $uid, \OCP\Util::ERROR);
-				throw new \OC\User\NoUserException('Backends provided no user object for ' . $uid);
-			}
-
-			\OC_Util::setupFS($uid);
-
-			if (!Filesystem::file_exists($filename)) {
-				return false;
-			}
-
-			if (empty($filename)) {
-				// file maybe renamed or deleted
-				return false;
-			}
-			$versionsFileview = new View('/'.$uid.'/files_versions');
-
-			$softQuota = true;
-			$quota = $user->getQuota();
-			if ( $quota === null || $quota === 'none' ) {
-				$quota = Filesystem::free_space('/');
-				$softQuota = false;
-			} else {
-				$quota = \OCP\Util::computerFileSize($quota);
-			}
-
-			// make sure that we have the current size of the version history
-			$versionsSize = self::getVersionsSize($uid);
-
-			// calculate available space for version history
-			// subtract size of files and current versions size from quota
-			if ($quota >= 0) {
-				if ($softQuota) {
-					$files_view = new View('/' . $uid . '/files');
-					$rootInfo = $files_view->getFileInfo('/', false);
-					$free = $quota - $rootInfo['size']; // remaining free space for user
-					if ($free > 0) {
-						$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $versionsSize; // how much space can be used for versions
-					} else {
-						$availableSpace = $free - $versionsSize;
-					}
-				} else {
-					$availableSpace = $quota;
-				}
-			} else {
-				$availableSpace = PHP_INT_MAX;
-			}
-
-			$allVersions = Storage::getVersions($uid, $filename);
-
-			$time = time();
-			list($toDelete, $sizeOfDeletedVersions) = self::getExpireList($time, $allVersions, $availableSpace <= 0);
-
-			$availableSpace = $availableSpace + $sizeOfDeletedVersions;
-			$versionsSize = $versionsSize - $sizeOfDeletedVersions;
-
-			// if still not enough free space we rearrange the versions from all files
-			if ($availableSpace <= 0) {
-				$result = Storage::getAllVersions($uid);
-				$allVersions = $result['all'];
-
-				foreach ($result['by_file'] as $versions) {
-					list($toDeleteNew, $size) = self::getExpireList($time, $versions, $availableSpace <= 0);
-					$toDelete = array_merge($toDelete, $toDeleteNew);
-					$sizeOfDeletedVersions += $size;
-				}
-				$availableSpace = $availableSpace + $sizeOfDeletedVersions;
-				$versionsSize = $versionsSize - $sizeOfDeletedVersions;
-			}
-
-			foreach($toDelete as $key => $path) {
-				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				self::deleteVersion($versionsFileview, $path);
-				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				unset($allVersions[$key]); // update array with the versions we keep
-				\OCP\Util::writeLog('files_versions', "Expire: " . $path, \OCP\Util::INFO);
-			}
-
-			// Check if enough space is available after versions are rearranged.
-			// If not we delete the oldest versions until we meet the size limit for versions,
-			// but always keep the two latest versions
-			$numOfVersions = count($allVersions) -2 ;
-			$i = 0;
-			// sort oldest first and make sure that we start at the first element
-			ksort($allVersions);
-			reset($allVersions);
-			while ($availableSpace < 0 && $i < $numOfVersions) {
-				$version = current($allVersions);
-				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				self::deleteVersion($versionsFileview, $version['path'] . '.v' . $version['version']);
-				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				\OCP\Util::writeLog('files_versions', 'running out of space! Delete oldest version: ' . $version['path'].'.v'.$version['version'] , \OCP\Util::INFO);
-				$versionsSize -= $version['size'];
-				$availableSpace += $version['size'];
-				next($allVersions);
-				$i++;
-			}
-
-			return $versionsSize; // finally return the new size of the version history
-		}
-
-		return false;
-	}
-
-	/**
-	 * Create recursively missing directories inside of files_versions
-	 * that match the given path to a file.
-	 *
-	 * @param string $filename $path to a file, relative to the user's
-	 * "files" folder
-	 * @param View $view view on data/user/
-	 */
-	private static function createMissingDirectories($filename, $view) {
-		$dirname = Filesystem::normalizePath(dirname($filename));
-		$dirParts = explode('/', $dirname);
-		$dir = "/files_versions";
-		foreach ($dirParts as $part) {
-			$dir = $dir . '/' . $part;
-			if (!$view->file_exists($dir)) {
-				$view->mkdir($dir);
-			}
-		}
-	}
-
-	/**
-	 * Static workaround
-	 * @return Expiration
-	 */
-	protected static function getExpiration(){
-		if (is_null(self::$application)) {
-			self::$application = new Application();
-		}
-		return self::$application->getContainer()->query('Expiration');
-	}
+    const DEFAULTENABLED=true;
+    const DEFAULTMAXSIZE=50; // unit: percentage; 50% of available disk space/quota
+    const VERSIONS_ROOT = 'files_versions/';
+
+    const DELETE_TRIGGER_MASTER_REMOVED = 0;
+    const DELETE_TRIGGER_RETENTION_CONSTRAINT = 1;
+    const DELETE_TRIGGER_QUOTA_EXCEEDED = 2;
+
+    // files for which we can remove the versions after the delete operation was successful
+    private static $deletedFiles = array();
+
+    private static $sourcePathAndUser = array();
+
+    private static $max_versions_per_interval = array(
+        //first 10sec, one version every 2sec
+        1 => array('intervalEndsAfter' => 10,      'step' => 2),
+        //next minute, one version every 10sec
+        2 => array('intervalEndsAfter' => 60,      'step' => 10),
+        //next hour, one version every minute
+        3 => array('intervalEndsAfter' => 3600,    'step' => 60),
+        //next 24h, one version every hour
+        4 => array('intervalEndsAfter' => 86400,   'step' => 3600),
+        //next 30days, one version per day
+        5 => array('intervalEndsAfter' => 2592000, 'step' => 86400),
+        //until the end one version per week
+        6 => array('intervalEndsAfter' => -1,      'step' => 604800),
+    );
+
+    /** @var \OCA\Files_Versions\AppInfo\Application */
+    private static $application;
+
+    /**
+     * get the UID of the owner of the file and the path to the file relative to
+     * owners files folder
+     *
+     * @param string $filename
+     * @return array
+     * @throws \OC\User\NoUserException
+     */
+    public static function getUidAndFilename($filename) {
+        $uid = Filesystem::getOwner($filename);
+        $userManager = \OC::$server->getUserManager();
+        // if the user with the UID doesn't exists, e.g. because the UID points
+        // to a remote user with a federated cloud ID we use the current logged-in
+        // user. We need a valid local user to create the versions
+        if (!$userManager->userExists($uid)) {
+            $uid = User::getUser();
+        }
+        Filesystem::initMountPoints($uid);
+        if ( $uid !== User::getUser() ) {
+            $info = Filesystem::getFileInfo($filename);
+            $ownerView = new View('/'.$uid.'/files');
+            try {
+                $filename = $ownerView->getPath($info['fileid']);
+                // make sure that the file name doesn't end with a trailing slash
+                // can for example happen single files shared across servers
+                $filename = rtrim($filename, '/');
+            } catch (NotFoundException $e) {
+                $filename = null;
+            }
+        }
+        return [$uid, $filename];
+    }
+
+    /**
+     * Remember the owner and the owner path of the source file
+     *
+     * @param string $source source path
+     */
+    public static function setSourcePathAndUser($source) {
+        list($uid, $path) = self::getUidAndFilename($source);
+        self::$sourcePathAndUser[$source] = array('uid' => $uid, 'path' => $path);
+    }
+
+    /**
+     * Gets the owner and the owner path from the source path
+     *
+     * @param string $source source path
+     * @return array with user id and path
+     */
+    public static function getSourcePathAndUser($source) {
+
+        if (isset(self::$sourcePathAndUser[$source])) {
+            $uid = self::$sourcePathAndUser[$source]['uid'];
+            $path = self::$sourcePathAndUser[$source]['path'];
+            unset(self::$sourcePathAndUser[$source]);
+        } else {
+            $uid = $path = false;
+        }
+        return array($uid, $path);
+    }
+
+    /**
+     * get current size of all versions from a given user
+     *
+     * @param string $user user who owns the versions
+     * @return int versions size
+     */
+    private static function getVersionsSize($user) {
+        $view = new View('/' . $user);
+        $fileInfo = $view->getFileInfo('/files_versions');
+        return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
+    }
+
+    /**
+     * store a new version of a file.
+     */
+    public static function store($filename) {
+
+        // if the file gets streamed we need to remove the .part extension
+        // to get the right target
+        $ext = pathinfo($filename, PATHINFO_EXTENSION);
+        if ($ext === 'part') {
+            $filename = substr($filename, 0, strlen($filename) - 5);
+        }
+
+        // we only handle existing files
+        if (! Filesystem::file_exists($filename) || Filesystem::is_dir($filename)) {
+            return false;
+        }
+
+        list($uid, $filename) = self::getUidAndFilename($filename);
+
+        $files_view = new View('/'.$uid .'/files');
+        $users_view = new View('/'.$uid);
+
+        $eventDispatcher = \OC::$server->getEventDispatcher();
+        $id = $files_view->getFileInfo($filename)->getId();
+        $nodes = \OC::$server->getRootFolder()->getById($id);
+        foreach ($nodes as $node) {
+            $event = new CreateVersionEvent($node);
+            $eventDispatcher->dispatch('OCA\Files_Versions::createVersion', $event);
+            if ($event->shouldCreateVersion() === false) {
+                return false;
+            }
+        }
+
+        // no use making versions for empty files
+        if ($files_view->filesize($filename) === 0) {
+            return false;
+        }
+
+        // create all parent folders
+        self::createMissingDirectories($filename, $users_view);
+
+        self::scheduleExpire($uid, $filename);
+
+        // store a new version of a file
+        $mtime = $users_view->filemtime('files/' . $filename);
+        $users_view->copy('files/' . $filename, 'files_versions/' . $filename . '.v' . $mtime);
+        // call getFileInfo to enforce a file cache entry for the new version
+        $users_view->getFileInfo('files_versions/' . $filename . '.v' . $mtime);
+    }
+
+
+    /**
+     * mark file as deleted so that we can remove the versions if the file is gone
+     * @param string $path
+     */
+    public static function markDeletedFile($path) {
+        list($uid, $filename) = self::getUidAndFilename($path);
+        self::$deletedFiles[$path] = array(
+            'uid' => $uid,
+            'filename' => $filename);
+    }
+
+    /**
+     * delete the version from the storage and cache
+     *
+     * @param View $view
+     * @param string $path
+     */
+    protected static function deleteVersion($view, $path) {
+        $view->unlink($path);
+        /**
+         * @var \OC\Files\Storage\Storage $storage
+         * @var string $internalPath
+         */
+        list($storage, $internalPath) = $view->resolvePath($path);
+        $cache = $storage->getCache($internalPath);
+        $cache->remove($internalPath);
+    }
+
+    /**
+     * Delete versions of a file
+     */
+    public static function delete($path) {
+
+        $deletedFile = self::$deletedFiles[$path];
+        $uid = $deletedFile['uid'];
+        $filename = $deletedFile['filename'];
+
+        if (!Filesystem::file_exists($path)) {
+
+            $view = new View('/' . $uid . '/files_versions');
+
+            $versions = self::getVersions($uid, $filename);
+            if (!empty($versions)) {
+                foreach ($versions as $v) {
+                    \OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
+                    self::deleteVersion($view, $filename . '.v' . $v['version']);
+                    \OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
+                }
+            }
+        }
+        unset(self::$deletedFiles[$path]);
+    }
+
+    /**
+     * Rename or copy versions of a file of the given paths
+     *
+     * @param string $sourcePath source path of the file to move, relative to
+     * the currently logged in user's "files" folder
+     * @param string $targetPath target path of the file to move, relative to
+     * the currently logged in user's "files" folder
+     * @param string $operation can be 'copy' or 'rename'
+     */
+    public static function renameOrCopy($sourcePath, $targetPath, $operation) {
+        list($sourceOwner, $sourcePath) = self::getSourcePathAndUser($sourcePath);
+
+        // it was a upload of a existing file if no old path exists
+        // in this case the pre-hook already called the store method and we can
+        // stop here
+        if ($sourcePath === false) {
+            return true;
+        }
+
+        list($targetOwner, $targetPath) = self::getUidAndFilename($targetPath);
+
+        $sourcePath = ltrim($sourcePath, '/');
+        $targetPath = ltrim($targetPath, '/');
+
+        $rootView = new View('');
+
+        // did we move a directory ?
+        if ($rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
+            // does the directory exists for versions too ?
+            if ($rootView->is_dir('/' . $sourceOwner . '/files_versions/' . $sourcePath)) {
+                // create missing dirs if necessary
+                self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
+
+                // move the directory containing the versions
+                $rootView->$operation(
+                    '/' . $sourceOwner . '/files_versions/' . $sourcePath,
+                    '/' . $targetOwner . '/files_versions/' . $targetPath
+                );
+            }
+        } else if ($versions = Storage::getVersions($sourceOwner, '/' . $sourcePath)) {
+            // create missing dirs if necessary
+            self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
+
+            foreach ($versions as $v) {
+                // move each version one by one to the target directory
+                $rootView->$operation(
+                    '/' . $sourceOwner . '/files_versions/' . $sourcePath.'.v' . $v['version'],
+                    '/' . $targetOwner . '/files_versions/' . $targetPath.'.v'.$v['version']
+                );
+            }
+        }
+
+        // if we moved versions directly for a file, schedule expiration check for that file
+        if (!$rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
+            self::scheduleExpire($targetOwner, $targetPath);
+        }
+
+    }
+
+    /**
+     * Rollback to an old version of a file.
+     *
+     * @param string $file file name
+     * @param int $revision revision timestamp
+     * @return bool
+     */
+    public static function rollback($file, $revision) {
+
+        // add expected leading slash
+        $file = '/' . ltrim($file, '/');
+        list($uid, $filename) = self::getUidAndFilename($file);
+        if ($uid === null || trim($filename, '/') === '') {
+            return false;
+        }
+
+        $users_view = new View('/'.$uid);
+        $files_view = new View('/'. User::getUser().'/files');
+
+        $versionCreated = false;
+
+        $fileInfo = $files_view->getFileInfo($file);
+
+        // check if user has the permissions to revert a version
+        if (!$fileInfo->isUpdateable()) {
+            return false;
+        }
+
+        //first create a new version
+        $version = 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename);
+        if (!$users_view->file_exists($version)) {
+            $users_view->copy('files'.$filename, 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename));
+            $versionCreated = true;
+        }
+
+        $fileToRestore =  'files_versions' . $filename . '.v' . $revision;
+
+        // Restore encrypted version of the old file for the newly restored file
+        // This has to happen manually here since the file is manually copied below
+        $oldVersion = $users_view->getFileInfo($fileToRestore)->getEncryptedVersion();
+        $oldFileInfo = $users_view->getFileInfo($fileToRestore);
+        $cache = $fileInfo->getStorage()->getCache();
+        $cache->update(
+            $fileInfo->getId(), [
+                'encrypted' => $oldVersion,
+                'encryptedVersion' => $oldVersion,
+                'size' => $oldFileInfo->getSize()
+            ]
+        );
+
+        // rollback
+        if (self::copyFileContents($users_view, $fileToRestore, 'files' . $filename)) {
+            $files_view->touch($file, $revision);
+            Storage::scheduleExpire($uid, $file);
+            \OC_Hook::emit('\OCP\Versions', 'rollback', array(
+                'path' => $filename,
+                'revision' => $revision,
+            ));
+            return true;
+        } else if ($versionCreated) {
+            self::deleteVersion($users_view, $version);
+        }
+
+        return false;
+
+    }
+
+    /**
+     * Stream copy file contents from $path1 to $path2
+     *
+     * @param View $view view to use for copying
+     * @param string $path1 source file to copy
+     * @param string $path2 target file
+     *
+     * @return bool true for success, false otherwise
+     */
+    private static function copyFileContents($view, $path1, $path2) {
+        /** @var \OC\Files\Storage\Storage $storage1 */
+        list($storage1, $internalPath1) = $view->resolvePath($path1);
+        /** @var \OC\Files\Storage\Storage $storage2 */
+        list($storage2, $internalPath2) = $view->resolvePath($path2);
+
+        $view->lockFile($path1, ILockingProvider::LOCK_EXCLUSIVE);
+        $view->lockFile($path2, ILockingProvider::LOCK_EXCLUSIVE);
+
+        // TODO add a proper way of overwriting a file while maintaining file ids
+        if ($storage1->instanceOfStorage('\OC\Files\ObjectStore\ObjectStoreStorage') || $storage2->instanceOfStorage('\OC\Files\ObjectStore\ObjectStoreStorage')) {
+            $source = $storage1->fopen($internalPath1, 'r');
+            $target = $storage2->fopen($internalPath2, 'w');
+            list(, $result) = \OC_Helper::streamCopy($source, $target);
+            fclose($source);
+            fclose($target);
+
+            if ($result !== false) {
+                $storage1->unlink($internalPath1);
+            }
+        } else {
+            $result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
+        }
+
+        $view->unlockFile($path1, ILockingProvider::LOCK_EXCLUSIVE);
+        $view->unlockFile($path2, ILockingProvider::LOCK_EXCLUSIVE);
+
+        return ($result !== false);
+    }
+
+    /**
+     * get a list of all available versions of a file in descending chronological order
+     * @param string $uid user id from the owner of the file
+     * @param string $filename file to find versions of, relative to the user files dir
+     * @param string $userFullPath
+     * @return array versions newest version first
+     */
+    public static function getVersions($uid, $filename, $userFullPath = '') {
+        $versions = array();
+        if (empty($filename)) {
+            return $versions;
+        }
+        // fetch for old versions
+        $view = new View('/' . $uid . '/');
+
+        $pathinfo = pathinfo($filename);
+        $versionedFile = $pathinfo['basename'];
+
+        $dir = Filesystem::normalizePath(self::VERSIONS_ROOT . '/' . $pathinfo['dirname']);
+
+        $dirContent = false;
+        if ($view->is_dir($dir)) {
+            $dirContent = $view->opendir($dir);
+        }
+
+        if ($dirContent === false) {
+            return $versions;
+        }
+
+        if (is_resource($dirContent)) {
+            while (($entryName = readdir($dirContent)) !== false) {
+                if (!Filesystem::isIgnoredDir($entryName)) {
+                    $pathparts = pathinfo($entryName);
+                    $filename = $pathparts['filename'];
+                    if ($filename === $versionedFile) {
+                        $pathparts = pathinfo($entryName);
+                        $timestamp = substr($pathparts['extension'], 1);
+                        $filename = $pathparts['filename'];
+                        $key = $timestamp . '#' . $filename;
+                        $versions[$key]['version'] = $timestamp;
+                        $versions[$key]['humanReadableTimestamp'] = self::getHumanReadableTimestamp($timestamp);
+                        if (empty($userFullPath)) {
+                            $versions[$key]['preview'] = '';
+                        } else {
+                            $versions[$key]['preview'] = \OC::$server->getURLGenerator('files_version.Preview.getPreview', ['file' => $userFullPath, 'version' => $timestamp]);
+                        }
+                        $versions[$key]['path'] = Filesystem::normalizePath($pathinfo['dirname'] . '/' . $filename);
+                        $versions[$key]['name'] = $versionedFile;
+                        $versions[$key]['size'] = $view->filesize($dir . '/' . $entryName);
+                        $versions[$key]['mimetype'] = \OC::$server->getMimeTypeDetector()->detectPath($versionedFile);
+                    }
+                }
+            }
+            closedir($dirContent);
+        }
+
+        // sort with newest version first
+        krsort($versions);
+
+        return $versions;
+    }
+
+    /**
+     * Expire versions that older than max version retention time
+     * @param string $uid
+     */
+    public static function expireOlderThanMaxForUser($uid){
+        $expiration = self::getExpiration();
+        $threshold = $expiration->getMaxAgeAsTimestamp();
+        $versions = self::getAllVersions($uid);
+        if (!$threshold || !array_key_exists('all', $versions)) {
+            return;
+        }
+
+        $toDelete = [];
+        foreach (array_reverse($versions['all']) as $key => $version) {
+            if (intval($version['version'])<$threshold) {
+                $toDelete[$key] = $version;
+            } else {
+                //Versions are sorted by time - nothing mo to iterate.
+                break;
+            }
+        }
+
+        $view = new View('/' . $uid . '/files_versions');
+        if (!empty($toDelete)) {
+            foreach ($toDelete as $version) {
+                \OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
+                self::deleteVersion($view, $version['path'] . '.v' . $version['version']);
+                \OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
+            }
+        }
+    }
+
+    /**
+     * translate a timestamp into a string like "5 days ago"
+     * @param int $timestamp
+     * @return string for example "5 days ago"
+     */
+    private static function getHumanReadableTimestamp($timestamp) {
+
+        $diff = time() - $timestamp;
+
+        if ($diff < 60) { // first minute
+            return  $diff . " seconds ago";
+        } elseif ($diff < 3600) { //first hour
+            return round($diff / 60) . " minutes ago";
+        } elseif ($diff < 86400) { // first day
+            return round($diff / 3600) . " hours ago";
+        } elseif ($diff < 604800) { //first week
+            return round($diff / 86400) . " days ago";
+        } elseif ($diff < 2419200) { //first month
+            return round($diff / 604800) . " weeks ago";
+        } elseif ($diff < 29030400) { // first year
+            return round($diff / 2419200) . " months ago";
+        } else {
+            return round($diff / 29030400) . " years ago";
+        }
+
+    }
+
+    /**
+     * returns all stored file versions from a given user
+     * @param string $uid id of the user
+     * @return array with contains two arrays 'all' which contains all versions sorted by age and 'by_file' which contains all versions sorted by filename
+     */
+    private static function getAllVersions($uid) {
+        $view = new View('/' . $uid . '/');
+        $dirs = array(self::VERSIONS_ROOT);
+        $versions = array();
+
+        while (!empty($dirs)) {
+            $dir = array_pop($dirs);
+            $files = $view->getDirectoryContent($dir);
+
+            foreach ($files as $file) {
+                $fileData = $file->getData();
+                $filePath = $dir . '/' . $fileData['name'];
+                if ($file['type'] === 'dir') {
+                    $dirs[] = $filePath;
+                } else {
+                    $versionsBegin = strrpos($filePath, '.v');
+                    $relPathStart = strlen(self::VERSIONS_ROOT);
+                    $version = substr($filePath, $versionsBegin + 2);
+                    $relpath = substr($filePath, $relPathStart, $versionsBegin - $relPathStart);
+                    $key = $version . '#' . $relpath;
+                    $versions[$key] = array('path' => $relpath, 'timestamp' => $version);
+                }
+            }
+        }
+
+        // newest version first
+        krsort($versions);
+
+        $result = array();
+
+        foreach ($versions as $key => $value) {
+            $size = $view->filesize(self::VERSIONS_ROOT.'/'.$value['path'].'.v'.$value['timestamp']);
+            $filename = $value['path'];
+
+            $result['all'][$key]['version'] = $value['timestamp'];
+            $result['all'][$key]['path'] = $filename;
+            $result['all'][$key]['size'] = $size;
+
+            $result['by_file'][$filename][$key]['version'] = $value['timestamp'];
+            $result['by_file'][$filename][$key]['path'] = $filename;
+            $result['by_file'][$filename][$key]['size'] = $size;
+        }
+
+        return $result;
+    }
+
+    /**
+     * get list of files we want to expire
+     * @param array $versions list of versions
+     * @param integer $time
+     * @param bool $quotaExceeded is versions storage limit reached
+     * @return array containing the list of to deleted versions and the size of them
+     */
+    protected static function getExpireList($time, $versions, $quotaExceeded = false) {
+        $expiration = self::getExpiration();
+
+        if ($expiration->shouldAutoExpire()) {
+            list($toDelete, $size) = self::getAutoExpireList($time, $versions);
+        } else {
+            $size = 0;
+            $toDelete = [];  // versions we want to delete
+        }
+
+        foreach ($versions as $key => $version) {
+            if ($expiration->isExpired($version['version'], $quotaExceeded) && !isset($toDelete[$key])) {
+                $size += $version['size'];
+                $toDelete[$key] = $version['path'] . '.v' . $version['version'];
+            }
+        }
+
+        return [$toDelete, $size];
+    }
+
+    /**
+     * get list of files we want to expire
+     * @param array $versions list of versions
+     * @param integer $time
+     * @return array containing the list of to deleted versions and the size of them
+     */
+    protected static function getAutoExpireList($time, $versions) {
+        $size = 0;
+        $toDelete = array();  // versions we want to delete
+
+        $interval = 1;
+        $step = Storage::$max_versions_per_interval[$interval]['step'];
+        if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] === -1) {
+            $nextInterval = -1;
+        } else {
+            $nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+        }
+
+        $firstVersion = reset($versions);
+        $firstKey = key($versions);
+        $prevTimestamp = $firstVersion['version'];
+        $nextVersion = $firstVersion['version'] - $step;
+        unset($versions[$firstKey]);
+
+        foreach ($versions as $key => $version) {
+            $newInterval = true;
+            while ($newInterval) {
+                if ($nextInterval === -1 || $prevTimestamp > $nextInterval) {
+                    if ($version['version'] > $nextVersion) {
+                        //distance between two version too small, mark to delete
+                        $toDelete[$key] = $version['path'] . '.v' . $version['version'];
+                        $size += $version['size'];
+                        \OCP\Util::writeLog('files_versions', 'Mark to expire '. $version['path'] .' next version should be ' . $nextVersion . " or smaller. (prevTimestamp: " . $prevTimestamp . "; step: " . $step, \OCP\Util::INFO);
+                    } else {
+                        $nextVersion = $version['version'] - $step;
+                        $prevTimestamp = $version['version'];
+                    }
+                    $newInterval = false; // version checked so we can move to the next one
+                } else { // time to move on to the next interval
+                    $interval++;
+                    $step = Storage::$max_versions_per_interval[$interval]['step'];
+                    $nextVersion = $prevTimestamp - $step;
+                    if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] === -1) {
+                        $nextInterval = -1;
+                    } else {
+                        $nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+                    }
+                    $newInterval = true; // we changed the interval -> check same version with new interval
+                }
+            }
+        }
+
+        return array($toDelete, $size);
+    }
+
+    /**
+     * Schedule versions expiration for the given file
+     *
+     * @param string $uid owner of the file
+     * @param string $fileName file/folder for which to schedule expiration
+     */
+    private static function scheduleExpire($uid, $fileName) {
+        // let the admin disable auto expire
+        $expiration = self::getExpiration();
+        if ($expiration->isEnabled()) {
+            $command = new Expire($uid, $fileName);
+            \OC::$server->getCommandBus()->push($command);
+        }
+    }
+
+    /**
+     * Expire versions which exceed the quota.
+     *
+     * This will setup the filesystem for the given user but will not
+     * tear it down afterwards.
+     *
+     * @param string $filename path to file to expire
+     * @param string $uid user for which to expire the version
+     * @return bool|int|null
+     */
+    public static function expire($filename, $uid) {
+        $expiration = self::getExpiration();
+
+        if ($expiration->isEnabled()) {
+            // get available disk space for user
+            $user = \OC::$server->getUserManager()->get($uid);
+            if (is_null($user)) {
+                \OCP\Util::writeLog('files_versions', 'Backends provided no user object for ' . $uid, \OCP\Util::ERROR);
+                throw new \OC\User\NoUserException('Backends provided no user object for ' . $uid);
+            }
+
+            \OC_Util::setupFS($uid);
+
+            if (!Filesystem::file_exists($filename)) {
+                return false;
+            }
+
+            if (empty($filename)) {
+                // file maybe renamed or deleted
+                return false;
+            }
+            $versionsFileview = new View('/'.$uid.'/files_versions');
+
+            $softQuota = true;
+            $quota = $user->getQuota();
+            if ( $quota === null || $quota === 'none' ) {
+                $quota = Filesystem::free_space('/');
+                $softQuota = false;
+            } else {
+                $quota = \OCP\Util::computerFileSize($quota);
+            }
+
+            // make sure that we have the current size of the version history
+            $versionsSize = self::getVersionsSize($uid);
+
+            // calculate available space for version history
+            // subtract size of files and current versions size from quota
+            if ($quota >= 0) {
+                if ($softQuota) {
+                    $files_view = new View('/' . $uid . '/files');
+                    $rootInfo = $files_view->getFileInfo('/', false);
+                    $free = $quota - $rootInfo['size']; // remaining free space for user
+                    if ($free > 0) {
+                        $availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $versionsSize; // how much space can be used for versions
+                    } else {
+                        $availableSpace = $free - $versionsSize;
+                    }
+                } else {
+                    $availableSpace = $quota;
+                }
+            } else {
+                $availableSpace = PHP_INT_MAX;
+            }
+
+            $allVersions = Storage::getVersions($uid, $filename);
+
+            $time = time();
+            list($toDelete, $sizeOfDeletedVersions) = self::getExpireList($time, $allVersions, $availableSpace <= 0);
+
+            $availableSpace = $availableSpace + $sizeOfDeletedVersions;
+            $versionsSize = $versionsSize - $sizeOfDeletedVersions;
+
+            // if still not enough free space we rearrange the versions from all files
+            if ($availableSpace <= 0) {
+                $result = Storage::getAllVersions($uid);
+                $allVersions = $result['all'];
+
+                foreach ($result['by_file'] as $versions) {
+                    list($toDeleteNew, $size) = self::getExpireList($time, $versions, $availableSpace <= 0);
+                    $toDelete = array_merge($toDelete, $toDeleteNew);
+                    $sizeOfDeletedVersions += $size;
+                }
+                $availableSpace = $availableSpace + $sizeOfDeletedVersions;
+                $versionsSize = $versionsSize - $sizeOfDeletedVersions;
+            }
+
+            foreach($toDelete as $key => $path) {
+                \OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
+                self::deleteVersion($versionsFileview, $path);
+                \OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
+                unset($allVersions[$key]); // update array with the versions we keep
+                \OCP\Util::writeLog('files_versions', "Expire: " . $path, \OCP\Util::INFO);
+            }
+
+            // Check if enough space is available after versions are rearranged.
+            // If not we delete the oldest versions until we meet the size limit for versions,
+            // but always keep the two latest versions
+            $numOfVersions = count($allVersions) -2 ;
+            $i = 0;
+            // sort oldest first and make sure that we start at the first element
+            ksort($allVersions);
+            reset($allVersions);
+            while ($availableSpace < 0 && $i < $numOfVersions) {
+                $version = current($allVersions);
+                \OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
+                self::deleteVersion($versionsFileview, $version['path'] . '.v' . $version['version']);
+                \OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
+                \OCP\Util::writeLog('files_versions', 'running out of space! Delete oldest version: ' . $version['path'].'.v'.$version['version'] , \OCP\Util::INFO);
+                $versionsSize -= $version['size'];
+                $availableSpace += $version['size'];
+                next($allVersions);
+                $i++;
+            }
+
+            return $versionsSize; // finally return the new size of the version history
+        }
+
+        return false;
+    }
+
+    /**
+     * Create recursively missing directories inside of files_versions
+     * that match the given path to a file.
+     *
+     * @param string $filename $path to a file, relative to the user's
+     * "files" folder
+     * @param View $view view on data/user/
+     */
+    private static function createMissingDirectories($filename, $view) {
+        $dirname = Filesystem::normalizePath(dirname($filename));
+        $dirParts = explode('/', $dirname);
+        $dir = "/files_versions";
+        foreach ($dirParts as $part) {
+            $dir = $dir . '/' . $part;
+            if (!$view->file_exists($dir)) {
+                $view->mkdir($dir);
+            }
+        }
+    }
+
+    /**
+     * Static workaround
+     * @return Expiration
+     */
+    protected static function getExpiration(){
+        if (is_null(self::$application)) {
+            self::$application = new Application();
+        }
+        return self::$application->getContainer()->query('Expiration');
+    }
 
 }

Spacing +67 added lines, -67 removed lines

@@ -54,8 +54,8 @@ 
 
 class Storage {
 
-	const DEFAULTENABLED=true;
-	const DEFAULTMAXSIZE=50; // unit: percentage; 50% of available disk space/quota
+	const DEFAULTENABLED = true;
+	const DEFAULTMAXSIZE = 50; // unit: percentage; 50% of available disk space/quota
 	const VERSIONS_ROOT = 'files_versions/';
 
 	const DELETE_TRIGGER_MASTER_REMOVED = 0;
@@ -69,17 +69,17 @@ 
 
 	private static $max_versions_per_interval = array(
 		//first 10sec, one version every 2sec
-		1 => array('intervalEndsAfter' => 10,      'step' => 2),
+		1 => array('intervalEndsAfter' => 10, 'step' => 2),
 		//next minute, one version every 10sec
-		2 => array('intervalEndsAfter' => 60,      'step' => 10),
+		2 => array('intervalEndsAfter' => 60, 'step' => 10),
 		//next hour, one version every minute
-		3 => array('intervalEndsAfter' => 3600,    'step' => 60),
+		3 => array('intervalEndsAfter' => 3600, 'step' => 60),
 		//next 24h, one version every hour
-		4 => array('intervalEndsAfter' => 86400,   'step' => 3600),
+		4 => array('intervalEndsAfter' => 86400, 'step' => 3600),
 		//next 30days, one version per day
 		5 => array('intervalEndsAfter' => 2592000, 'step' => 86400),
 		//until the end one version per week
-		6 => array('intervalEndsAfter' => -1,      'step' => 604800),
+		6 => array('intervalEndsAfter' => -1, 'step' => 604800),
 	);
 
 	/** @var \OCA\Files_Versions\AppInfo\Application */
@@ -103,7 +103,7 @@ 
 			$uid = User::getUser();
 		}
 		Filesystem::initMountPoints($uid);
-		if ( $uid !== User::getUser() ) {
+		if ($uid !== User::getUser()) {
 			$info = Filesystem::getFileInfo($filename);
 			$ownerView = new View('/'.$uid.'/files');
 			try {
@@ -153,7 +153,7 @@ 
 	 * @return int versions size
 	 */
 	private static function getVersionsSize($user) {
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 		$fileInfo = $view->getFileInfo('/files_versions');
 		return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
 	}
@@ -171,13 +171,13 @@ 
 		}
 
 		// we only handle existing files
-		if (! Filesystem::file_exists($filename) || Filesystem::is_dir($filename)) {
+		if (!Filesystem::file_exists($filename) || Filesystem::is_dir($filename)) {
 			return false;
 		}
 
 		list($uid, $filename) = self::getUidAndFilename($filename);
 
-		$files_view = new View('/'.$uid .'/files');
+		$files_view = new View('/'.$uid.'/files');
 		$users_view = new View('/'.$uid);
 
 		$eventDispatcher = \OC::$server->getEventDispatcher();
@@ -202,10 +202,10 @@ 
 		self::scheduleExpire($uid, $filename);
 
 		// store a new version of a file
-		$mtime = $users_view->filemtime('files/' . $filename);
-		$users_view->copy('files/' . $filename, 'files_versions/' . $filename . '.v' . $mtime);
+		$mtime = $users_view->filemtime('files/'.$filename);
+		$users_view->copy('files/'.$filename, 'files_versions/'.$filename.'.v'.$mtime);
 		// call getFileInfo to enforce a file cache entry for the new version
-		$users_view->getFileInfo('files_versions/' . $filename . '.v' . $mtime);
+		$users_view->getFileInfo('files_versions/'.$filename.'.v'.$mtime);
 	}
 
 
@@ -248,14 +248,14 @@ 
 
 		if (!Filesystem::file_exists($path)) {
 
-			$view = new View('/' . $uid . '/files_versions');
+			$view = new View('/'.$uid.'/files_versions');
 
 			$versions = self::getVersions($uid, $filename);
 			if (!empty($versions)) {
 				foreach ($versions as $v) {
-					\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
-					self::deleteVersion($view, $filename . '.v' . $v['version']);
-					\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path . $v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
+					\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path.$v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
+					self::deleteVersion($view, $filename.'.v'.$v['version']);
+					\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path.$v['version'], 'trigger' => self::DELETE_TRIGGER_MASTER_REMOVED));
 				}
 			}
 		}
@@ -289,33 +289,33 @@ 
 		$rootView = new View('');
 
 		// did we move a directory ?
-		if ($rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
+		if ($rootView->is_dir('/'.$targetOwner.'/files/'.$targetPath)) {
 			// does the directory exists for versions too ?
-			if ($rootView->is_dir('/' . $sourceOwner . '/files_versions/' . $sourcePath)) {
+			if ($rootView->is_dir('/'.$sourceOwner.'/files_versions/'.$sourcePath)) {
 				// create missing dirs if necessary
-				self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
+				self::createMissingDirectories($targetPath, new View('/'.$targetOwner));
 
 				// move the directory containing the versions
 				$rootView->$operation(
-					'/' . $sourceOwner . '/files_versions/' . $sourcePath,
-					'/' . $targetOwner . '/files_versions/' . $targetPath
+					'/'.$sourceOwner.'/files_versions/'.$sourcePath,
+					'/'.$targetOwner.'/files_versions/'.$targetPath
 				);
 			}
-		} else if ($versions = Storage::getVersions($sourceOwner, '/' . $sourcePath)) {
+		} else if ($versions = Storage::getVersions($sourceOwner, '/'.$sourcePath)) {
 			// create missing dirs if necessary
-			self::createMissingDirectories($targetPath, new View('/'. $targetOwner));
+			self::createMissingDirectories($targetPath, new View('/'.$targetOwner));
 
 			foreach ($versions as $v) {
 				// move each version one by one to the target directory
 				$rootView->$operation(
-					'/' . $sourceOwner . '/files_versions/' . $sourcePath.'.v' . $v['version'],
-					'/' . $targetOwner . '/files_versions/' . $targetPath.'.v'.$v['version']
+					'/'.$sourceOwner.'/files_versions/'.$sourcePath.'.v'.$v['version'],
+					'/'.$targetOwner.'/files_versions/'.$targetPath.'.v'.$v['version']
 				);
 			}
 		}
 
 		// if we moved versions directly for a file, schedule expiration check for that file
-		if (!$rootView->is_dir('/' . $targetOwner . '/files/' . $targetPath)) {
+		if (!$rootView->is_dir('/'.$targetOwner.'/files/'.$targetPath)) {
 			self::scheduleExpire($targetOwner, $targetPath);
 		}
 
@@ -331,14 +331,14 @@ 
 	public static function rollback($file, $revision) {
 
 		// add expected leading slash
-		$file = '/' . ltrim($file, '/');
+		$file = '/'.ltrim($file, '/');
 		list($uid, $filename) = self::getUidAndFilename($file);
 		if ($uid === null || trim($filename, '/') === '') {
 			return false;
 		}
 
 		$users_view = new View('/'.$uid);
-		$files_view = new View('/'. User::getUser().'/files');
+		$files_view = new View('/'.User::getUser().'/files');
 
 		$versionCreated = false;
 
@@ -356,7 +356,7 @@ 
 			$versionCreated = true;
 		}
 
-		$fileToRestore =  'files_versions' . $filename . '.v' . $revision;
+		$fileToRestore = 'files_versions'.$filename.'.v'.$revision;
 
 		// Restore encrypted version of the old file for the newly restored file
 		// This has to happen manually here since the file is manually copied below
@@ -372,7 +372,7 @@ 
 		);
 
 		// rollback
-		if (self::copyFileContents($users_view, $fileToRestore, 'files' . $filename)) {
+		if (self::copyFileContents($users_view, $fileToRestore, 'files'.$filename)) {
 			$files_view->touch($file, $revision);
 			Storage::scheduleExpire($uid, $file);
 			\OC_Hook::emit('\OCP\Versions', 'rollback', array(
@@ -440,12 +440,12 @@ 
 			return $versions;
 		}
 		// fetch for old versions
-		$view = new View('/' . $uid . '/');
+		$view = new View('/'.$uid.'/');
 
 		$pathinfo = pathinfo($filename);
 		$versionedFile = $pathinfo['basename'];
 
-		$dir = Filesystem::normalizePath(self::VERSIONS_ROOT . '/' . $pathinfo['dirname']);
+		$dir = Filesystem::normalizePath(self::VERSIONS_ROOT.'/'.$pathinfo['dirname']);
 
 		$dirContent = false;
 		if ($view->is_dir($dir)) {
@@ -465,7 +465,7 @@ 
 						$pathparts = pathinfo($entryName);
 						$timestamp = substr($pathparts['extension'], 1);
 						$filename = $pathparts['filename'];
-						$key = $timestamp . '#' . $filename;
+						$key = $timestamp.'#'.$filename;
 						$versions[$key]['version'] = $timestamp;
 						$versions[$key]['humanReadableTimestamp'] = self::getHumanReadableTimestamp($timestamp);
 						if (empty($userFullPath)) {
@@ -473,9 +473,9 @@ 
 						} else {
 							$versions[$key]['preview'] = \OC::$server->getURLGenerator('files_version.Preview.getPreview', ['file' => $userFullPath, 'version' => $timestamp]);
 						}
-						$versions[$key]['path'] = Filesystem::normalizePath($pathinfo['dirname'] . '/' . $filename);
+						$versions[$key]['path'] = Filesystem::normalizePath($pathinfo['dirname'].'/'.$filename);
 						$versions[$key]['name'] = $versionedFile;
-						$versions[$key]['size'] = $view->filesize($dir . '/' . $entryName);
+						$versions[$key]['size'] = $view->filesize($dir.'/'.$entryName);
 						$versions[$key]['mimetype'] = \OC::$server->getMimeTypeDetector()->detectPath($versionedFile);
 					}
 				}
@@ -493,7 +493,7 @@ 
 	 * Expire versions that older than max version retention time
 	 * @param string $uid
 	 */
-	public static function expireOlderThanMaxForUser($uid){
+	public static function expireOlderThanMaxForUser($uid) {
 		$expiration = self::getExpiration();
 		$threshold = $expiration->getMaxAgeAsTimestamp();
 		$versions = self::getAllVersions($uid);
@@ -503,7 +503,7 @@ 
 
 		$toDelete = [];
 		foreach (array_reverse($versions['all']) as $key => $version) {
-			if (intval($version['version'])<$threshold) {
+			if (intval($version['version']) < $threshold) {
 				$toDelete[$key] = $version;
 			} else {
 				//Versions are sorted by time - nothing mo to iterate.
@@ -511,11 +511,11 @@ 
 			}
 		}
 
-		$view = new View('/' . $uid . '/files_versions');
+		$view = new View('/'.$uid.'/files_versions');
 		if (!empty($toDelete)) {
 			foreach ($toDelete as $version) {
 				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
-				self::deleteVersion($view, $version['path'] . '.v' . $version['version']);
+				self::deleteVersion($view, $version['path'].'.v'.$version['version']);
 				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_RETENTION_CONSTRAINT));
 			}
 		}
@@ -531,19 +531,19 @@ 
 		$diff = time() - $timestamp;
 
 		if ($diff < 60) { // first minute
-			return  $diff . " seconds ago";
+			return  $diff." seconds ago";
 		} elseif ($diff < 3600) { //first hour
-			return round($diff / 60) . " minutes ago";
+			return round($diff / 60)." minutes ago";
 		} elseif ($diff < 86400) { // first day
-			return round($diff / 3600) . " hours ago";
+			return round($diff / 3600)." hours ago";
 		} elseif ($diff < 604800) { //first week
-			return round($diff / 86400) . " days ago";
+			return round($diff / 86400)." days ago";
 		} elseif ($diff < 2419200) { //first month
-			return round($diff / 604800) . " weeks ago";
+			return round($diff / 604800)." weeks ago";
 		} elseif ($diff < 29030400) { // first year
-			return round($diff / 2419200) . " months ago";
+			return round($diff / 2419200)." months ago";
 		} else {
-			return round($diff / 29030400) . " years ago";
+			return round($diff / 29030400)." years ago";
 		}
 
 	}
@@ -554,7 +554,7 @@ 
 	 * @return array with contains two arrays 'all' which contains all versions sorted by age and 'by_file' which contains all versions sorted by filename
 	 */
 	private static function getAllVersions($uid) {
-		$view = new View('/' . $uid . '/');
+		$view = new View('/'.$uid.'/');
 		$dirs = array(self::VERSIONS_ROOT);
 		$versions = array();
 
@@ -564,7 +564,7 @@ 
 
 			foreach ($files as $file) {
 				$fileData = $file->getData();
-				$filePath = $dir . '/' . $fileData['name'];
+				$filePath = $dir.'/'.$fileData['name'];
 				if ($file['type'] === 'dir') {
 					$dirs[] = $filePath;
 				} else {
@@ -572,7 +572,7 @@ 
 					$relPathStart = strlen(self::VERSIONS_ROOT);
 					$version = substr($filePath, $versionsBegin + 2);
 					$relpath = substr($filePath, $relPathStart, $versionsBegin - $relPathStart);
-					$key = $version . '#' . $relpath;
+					$key = $version.'#'.$relpath;
 					$versions[$key] = array('path' => $relpath, 'timestamp' => $version);
 				}
 			}
@@ -613,13 +613,13 @@ 
 			list($toDelete, $size) = self::getAutoExpireList($time, $versions);
 		} else {
 			$size = 0;
-			$toDelete = [];  // versions we want to delete
+			$toDelete = []; // versions we want to delete
 		}
 
 		foreach ($versions as $key => $version) {
 			if ($expiration->isExpired($version['version'], $quotaExceeded) && !isset($toDelete[$key])) {
 				$size += $version['size'];
-				$toDelete[$key] = $version['path'] . '.v' . $version['version'];
+				$toDelete[$key] = $version['path'].'.v'.$version['version'];
 			}
 		}
 
@@ -634,7 +634,7 @@ 
 	 */
 	protected static function getAutoExpireList($time, $versions) {
 		$size = 0;
-		$toDelete = array();  // versions we want to delete
+		$toDelete = array(); // versions we want to delete
 
 		$interval = 1;
 		$step = Storage::$max_versions_per_interval[$interval]['step'];
@@ -656,9 +656,9 @@ 
 				if ($nextInterval === -1 || $prevTimestamp > $nextInterval) {
 					if ($version['version'] > $nextVersion) {
 						//distance between two version too small, mark to delete
-						$toDelete[$key] = $version['path'] . '.v' . $version['version'];
+						$toDelete[$key] = $version['path'].'.v'.$version['version'];
 						$size += $version['size'];
-						\OCP\Util::writeLog('files_versions', 'Mark to expire '. $version['path'] .' next version should be ' . $nextVersion . " or smaller. (prevTimestamp: " . $prevTimestamp . "; step: " . $step, \OCP\Util::INFO);
+						\OCP\Util::writeLog('files_versions', 'Mark to expire '.$version['path'].' next version should be '.$nextVersion." or smaller. (prevTimestamp: ".$prevTimestamp."; step: ".$step, \OCP\Util::INFO);
 					} else {
 						$nextVersion = $version['version'] - $step;
 						$prevTimestamp = $version['version'];
@@ -713,8 +713,8 @@ 
 			// get available disk space for user
 			$user = \OC::$server->getUserManager()->get($uid);
 			if (is_null($user)) {
-				\OCP\Util::writeLog('files_versions', 'Backends provided no user object for ' . $uid, \OCP\Util::ERROR);
-				throw new \OC\User\NoUserException('Backends provided no user object for ' . $uid);
+				\OCP\Util::writeLog('files_versions', 'Backends provided no user object for '.$uid, \OCP\Util::ERROR);
+				throw new \OC\User\NoUserException('Backends provided no user object for '.$uid);
 			}
 
 			\OC_Util::setupFS($uid);
@@ -731,7 +731,7 @@ 
 
 			$softQuota = true;
 			$quota = $user->getQuota();
-			if ( $quota === null || $quota === 'none' ) {
+			if ($quota === null || $quota === 'none') {
 				$quota = Filesystem::free_space('/');
 				$softQuota = false;
 			} else {
@@ -745,7 +745,7 @@ 
 			// subtract size of files and current versions size from quota
 			if ($quota >= 0) {
 				if ($softQuota) {
-					$files_view = new View('/' . $uid . '/files');
+					$files_view = new View('/'.$uid.'/files');
 					$rootInfo = $files_view->getFileInfo('/', false);
 					$free = $quota - $rootInfo['size']; // remaining free space for user
 					if ($free > 0) {
@@ -782,18 +782,18 @@ 
 				$versionsSize = $versionsSize - $sizeOfDeletedVersions;
 			}
 
-			foreach($toDelete as $key => $path) {
+			foreach ($toDelete as $key => $path) {
 				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
 				self::deleteVersion($versionsFileview, $path);
 				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $path, 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
 				unset($allVersions[$key]); // update array with the versions we keep
-				\OCP\Util::writeLog('files_versions', "Expire: " . $path, \OCP\Util::INFO);
+				\OCP\Util::writeLog('files_versions', "Expire: ".$path, \OCP\Util::INFO);
 			}
 
 			// Check if enough space is available after versions are rearranged.
 			// If not we delete the oldest versions until we meet the size limit for versions,
 			// but always keep the two latest versions
-			$numOfVersions = count($allVersions) -2 ;
+			$numOfVersions = count($allVersions) - 2;
 			$i = 0;
 			// sort oldest first and make sure that we start at the first element
 			ksort($allVersions);
@@ -801,9 +801,9 @@ 
 			while ($availableSpace < 0 && $i < $numOfVersions) {
 				$version = current($allVersions);
 				\OC_Hook::emit('\OCP\Versions', 'preDelete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				self::deleteVersion($versionsFileview, $version['path'] . '.v' . $version['version']);
+				self::deleteVersion($versionsFileview, $version['path'].'.v'.$version['version']);
 				\OC_Hook::emit('\OCP\Versions', 'delete', array('path' => $version['path'].'.v'.$version['version'], 'trigger' => self::DELETE_TRIGGER_QUOTA_EXCEEDED));
-				\OCP\Util::writeLog('files_versions', 'running out of space! Delete oldest version: ' . $version['path'].'.v'.$version['version'] , \OCP\Util::INFO);
+				\OCP\Util::writeLog('files_versions', 'running out of space! Delete oldest version: '.$version['path'].'.v'.$version['version'], \OCP\Util::INFO);
 				$versionsSize -= $version['size'];
 				$availableSpace += $version['size'];
 				next($allVersions);
@@ -829,7 +829,7 @@ 
 		$dirParts = explode('/', $dirname);
 		$dir = "/files_versions";
 		foreach ($dirParts as $part) {
-			$dir = $dir . '/' . $part;
+			$dir = $dir.'/'.$part;
 			if (!$view->file_exists($dir)) {
 				$view->mkdir($dir);
 			}
@@ -840,7 +840,7 @@ 
 	 * Static workaround
 	 * @return Expiration
 	 */
-	protected static function getExpiration(){
+	protected static function getExpiration() {
 		if (is_null(self::$application)) {
 			self::$application = new Application();
 		}

apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php

Indentation +128 added lines, -128 removed lines

@@ -33,133 +33,133 @@
 
 class BackupCodeStorage {
 
-	private static $CODE_LENGTH = 16;
-
-	/** @var BackupCodeMapper */
-	private $mapper;
-
-	/** @var IHasher */
-	private $hasher;
-
-	/** @var ISecureRandom */
-	private $random;
-
-	/** @var IManager */
-	private $activityManager;
-
-	/** @var ILogger */
-	private $logger;
-
-	/**
-	 * @param BackupCodeMapper $mapper
-	 * @param ISecureRandom $random
-	 * @param IHasher $hasher
-	 * @param IManager $activityManager
-	 * @param ILogger $logger
-	 */
-	public function __construct(BackupCodeMapper $mapper, ISecureRandom $random, IHasher $hasher,
-		IManager $activityManager, ILogger $logger) {
-		$this->mapper = $mapper;
-		$this->hasher = $hasher;
-		$this->random = $random;
-		$this->activityManager = $activityManager;
-		$this->logger = $logger;
-	}
-
-	/**
-	 * @param IUser $user
-	 * @return string[]
-	 */
-	public function createCodes(IUser $user, $number = 10) {
-		$result = [];
-
-		// Delete existing ones
-		$this->mapper->deleteCodes($user);
-
-		$uid = $user->getUID();
-		foreach (range(1, min([$number, 20])) as $i) {
-			$code = $this->random->generate(self::$CODE_LENGTH, ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS);
-
-			$dbCode = new BackupCode();
-			$dbCode->setUserId($uid);
-			$dbCode->setCode($this->hasher->hash($code));
-			$dbCode->setUsed(0);
-			$this->mapper->insert($dbCode);
-
-			$result[] = $code;
-		}
-
-		$this->publishEvent($user, 'codes_generated');
-
-		return $result;
-	}
-
-	/**
-	 * Push an event the user's activity stream
-	 *
-	 * @param IUser $user
-	 * @param string $event
-	 */
-	private function publishEvent(IUser $user, $event) {
-		$activity = $this->activityManager->generateEvent();
-		$activity->setApp('twofactor_backupcodes')
-			->setType('security')
-			->setAuthor($user->getUID())
-			->setAffectedUser($user->getUID())
-			->setSubject($event);
-		try {
-			$this->activityManager->publish($activity);
-		} catch (BadMethodCallException $e) {
-			$this->logger->warning('could not publish backup code creation activity', ['app' => 'twofactor_backupcodes']);
-			$this->logger->logException($e, ['app' => 'twofactor_backupcodes']);
-		}
-	}
-
-	/**
-	 * @param IUser $user
-	 * @return bool
-	 */
-	public function hasBackupCodes(IUser $user) {
-		$codes = $this->mapper->getBackupCodes($user);
-		return count($codes) > 0;
-	}
-
-	/**
-	 * @param IUser $user
-	 * @return array
-	 */
-	public function getBackupCodesState(IUser $user) {
-		$codes = $this->mapper->getBackupCodes($user);
-		$total = count($codes);
-		$used = 0;
-		array_walk($codes, function (BackupCode $code) use (&$used) {
-			if (1 === (int) $code->getUsed()) {
-				$used++;
-			}
-		});
-		return [
-			'enabled' => $total > 0,
-			'total' => $total,
-			'used' => $used,
-		];
-	}
-
-	/**
-	 * @param IUser $user
-	 * @param string $code
-	 * @return bool
-	 */
-	public function validateCode(IUser $user, $code) {
-		$dbCodes = $this->mapper->getBackupCodes($user);
-
-		foreach ($dbCodes as $dbCode) {
-			if (0 === (int) $dbCode->getUsed() && $this->hasher->verify($code, $dbCode->getCode())) {
-				$dbCode->setUsed(1);
-				$this->mapper->update($dbCode);
-				return true;
-			}
-		}
-		return false;
-	}
+    private static $CODE_LENGTH = 16;
+
+    /** @var BackupCodeMapper */
+    private $mapper;
+
+    /** @var IHasher */
+    private $hasher;
+
+    /** @var ISecureRandom */
+    private $random;
+
+    /** @var IManager */
+    private $activityManager;
+
+    /** @var ILogger */
+    private $logger;
+
+    /**
+     * @param BackupCodeMapper $mapper
+     * @param ISecureRandom $random
+     * @param IHasher $hasher
+     * @param IManager $activityManager
+     * @param ILogger $logger
+     */
+    public function __construct(BackupCodeMapper $mapper, ISecureRandom $random, IHasher $hasher,
+        IManager $activityManager, ILogger $logger) {
+        $this->mapper = $mapper;
+        $this->hasher = $hasher;
+        $this->random = $random;
+        $this->activityManager = $activityManager;
+        $this->logger = $logger;
+    }
+
+    /**
+     * @param IUser $user
+     * @return string[]
+     */
+    public function createCodes(IUser $user, $number = 10) {
+        $result = [];
+
+        // Delete existing ones
+        $this->mapper->deleteCodes($user);
+
+        $uid = $user->getUID();
+        foreach (range(1, min([$number, 20])) as $i) {
+            $code = $this->random->generate(self::$CODE_LENGTH, ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS);
+
+            $dbCode = new BackupCode();
+            $dbCode->setUserId($uid);
+            $dbCode->setCode($this->hasher->hash($code));
+            $dbCode->setUsed(0);
+            $this->mapper->insert($dbCode);
+
+            $result[] = $code;
+        }
+
+        $this->publishEvent($user, 'codes_generated');
+
+        return $result;
+    }
+
+    /**
+     * Push an event the user's activity stream
+     *
+     * @param IUser $user
+     * @param string $event
+     */
+    private function publishEvent(IUser $user, $event) {
+        $activity = $this->activityManager->generateEvent();
+        $activity->setApp('twofactor_backupcodes')
+            ->setType('security')
+            ->setAuthor($user->getUID())
+            ->setAffectedUser($user->getUID())
+            ->setSubject($event);
+        try {
+            $this->activityManager->publish($activity);
+        } catch (BadMethodCallException $e) {
+            $this->logger->warning('could not publish backup code creation activity', ['app' => 'twofactor_backupcodes']);
+            $this->logger->logException($e, ['app' => 'twofactor_backupcodes']);
+        }
+    }
+
+    /**
+     * @param IUser $user
+     * @return bool
+     */
+    public function hasBackupCodes(IUser $user) {
+        $codes = $this->mapper->getBackupCodes($user);
+        return count($codes) > 0;
+    }
+
+    /**
+     * @param IUser $user
+     * @return array
+     */
+    public function getBackupCodesState(IUser $user) {
+        $codes = $this->mapper->getBackupCodes($user);
+        $total = count($codes);
+        $used = 0;
+        array_walk($codes, function (BackupCode $code) use (&$used) {
+            if (1 === (int) $code->getUsed()) {
+                $used++;
+            }
+        });
+        return [
+            'enabled' => $total > 0,
+            'total' => $total,
+            'used' => $used,
+        ];
+    }
+
+    /**
+     * @param IUser $user
+     * @param string $code
+     * @return bool
+     */
+    public function validateCode(IUser $user, $code) {
+        $dbCodes = $this->mapper->getBackupCodes($user);
+
+        foreach ($dbCodes as $dbCode) {
+            if (0 === (int) $dbCode->getUsed() && $this->hasher->verify($code, $dbCode->getCode())) {
+                $dbCode->setUsed(1);
+                $this->mapper->update($dbCode);
+                return true;
+            }
+        }
+        return false;
+    }
 
 }