nextcloud / server

apps/files_external/lib/Service/UserTrait.php

Indentation +37 added lines, -37 removed lines

@@ -31,45 +31,45 @@
  */
 trait UserTrait {
 
-	/** @var IUserSession */
-	protected $userSession;
+    /** @var IUserSession */
+    protected $userSession;
 
-	/**
-	 * User override
-	 *
-	 * @var IUser|null
-	 */
-	private $user = null;
+    /**
+     * User override
+     *
+     * @var IUser|null
+     */
+    private $user = null;
 
-	/**
-	 * @return IUser|null
-	 */
-	protected function getUser() {
-		if ($this->user) {
-			return $this->user;
-		}
-		return $this->userSession->getUser();
-	}
+    /**
+     * @return IUser|null
+     */
+    protected function getUser() {
+        if ($this->user) {
+            return $this->user;
+        }
+        return $this->userSession->getUser();
+    }
 
-	/**
-	 * Override the user from the session
-	 * Unset with ->resetUser() when finished!
-	 *
-	 * @param IUser $user
-	 * @return self
-	 */
-	public function setUser(IUser $user) {
-		$this->user = $user;
-		return $this;
-	}
+    /**
+     * Override the user from the session
+     * Unset with ->resetUser() when finished!
+     *
+     * @param IUser $user
+     * @return self
+     */
+    public function setUser(IUser $user) {
+        $this->user = $user;
+        return $this;
+    }
 
-	/**
-	 * Reset the user override
-	 *
-	 * @return self
-	 */
-	public function resetUser() {
-		$this->user = null;
-		return $this;
-	}
+    /**
+     * Reset the user override
+     *
+     * @return self
+     */
+    public function resetUser() {
+        $this->user = null;
+        return $this;
+    }
 }

apps/files_external/lib/Command/ListCommand.php

Indentation +211 added lines, -211 removed lines

@@ -39,239 +39,239 @@
 use Symfony\Component\Console\Output\OutputInterface;
 
 class ListCommand extends Base {
-	/**
-	 * @var GlobalStoragesService
-	 */
-	protected $globalService;
+    /**
+     * @var GlobalStoragesService
+     */
+    protected $globalService;
 
-	/**
-	 * @var UserStoragesService
-	 */
-	protected $userService;
+    /**
+     * @var UserStoragesService
+     */
+    protected $userService;
 
-	/**
-	 * @var IUserSession
-	 */
-	protected $userSession;
+    /**
+     * @var IUserSession
+     */
+    protected $userSession;
 
-	/**
-	 * @var IUserManager
-	 */
-	protected $userManager;
+    /**
+     * @var IUserManager
+     */
+    protected $userManager;
 
-	public const ALL = -1;
+    public const ALL = -1;
 
-	public function __construct(GlobalStoragesService $globalService, UserStoragesService $userService, IUserSession $userSession, IUserManager $userManager) {
-		parent::__construct();
-		$this->globalService = $globalService;
-		$this->userService = $userService;
-		$this->userSession = $userSession;
-		$this->userManager = $userManager;
-	}
+    public function __construct(GlobalStoragesService $globalService, UserStoragesService $userService, IUserSession $userSession, IUserManager $userManager) {
+        parent::__construct();
+        $this->globalService = $globalService;
+        $this->userService = $userService;
+        $this->userSession = $userSession;
+        $this->userManager = $userManager;
+    }
 
-	protected function configure() {
-		$this
-			->setName('files_external:list')
-			->setDescription('List configured admin or personal mounts')
-			->addArgument(
-				'user_id',
-				InputArgument::OPTIONAL,
-				'user id to list the personal mounts for, if no user is provided admin mounts will be listed'
-			)->addOption(
-				'show-password',
-				'',
-				InputOption::VALUE_NONE,
-				'show passwords and secrets'
-			)->addOption(
-				'full',
-				null,
-				InputOption::VALUE_NONE,
-				'don\'t truncate long values in table output'
-			)->addOption(
-				'all',
-				'a',
-				InputOption::VALUE_NONE,
-				'show both system wide mounts and all personal mounts'
-			);
-		parent::configure();
-	}
+    protected function configure() {
+        $this
+            ->setName('files_external:list')
+            ->setDescription('List configured admin or personal mounts')
+            ->addArgument(
+                'user_id',
+                InputArgument::OPTIONAL,
+                'user id to list the personal mounts for, if no user is provided admin mounts will be listed'
+            )->addOption(
+                'show-password',
+                '',
+                InputOption::VALUE_NONE,
+                'show passwords and secrets'
+            )->addOption(
+                'full',
+                null,
+                InputOption::VALUE_NONE,
+                'don\'t truncate long values in table output'
+            )->addOption(
+                'all',
+                'a',
+                InputOption::VALUE_NONE,
+                'show both system wide mounts and all personal mounts'
+            );
+        parent::configure();
+    }
 
-	protected function execute(InputInterface $input, OutputInterface $output): int {
-		/** @var StorageConfig[] $mounts */
-		if ($input->getOption('all')) {
-			$mounts = $this->globalService->getStorageForAllUsers();
-			$userId = self::ALL;
-		} else {
-			$userId = $input->getArgument('user_id');
-			$storageService = $this->getStorageService($userId);
-			$mounts = $storageService->getAllStorages();
-		}
+    protected function execute(InputInterface $input, OutputInterface $output): int {
+        /** @var StorageConfig[] $mounts */
+        if ($input->getOption('all')) {
+            $mounts = $this->globalService->getStorageForAllUsers();
+            $userId = self::ALL;
+        } else {
+            $userId = $input->getArgument('user_id');
+            $storageService = $this->getStorageService($userId);
+            $mounts = $storageService->getAllStorages();
+        }
 
-		$this->listMounts($userId, $mounts, $input, $output);
-		return 0;
-	}
+        $this->listMounts($userId, $mounts, $input, $output);
+        return 0;
+    }
 
-	/**
-	 * @param string $userId
-	 * @param StorageConfig[] $mounts
-	 * @param InputInterface $input
-	 * @param OutputInterface $output
-	 */
-	public function listMounts($userId, array $mounts, InputInterface $input, OutputInterface $output) {
-		$outputType = $input->getOption('output');
-		if (count($mounts) === 0) {
-			if ($outputType === self::OUTPUT_FORMAT_JSON || $outputType === self::OUTPUT_FORMAT_JSON_PRETTY) {
-				$output->writeln('[]');
-			} else {
-				if ($userId === self::ALL) {
-					$output->writeln("<info>No mounts configured</info>");
-				} elseif ($userId) {
-					$output->writeln("<info>No mounts configured by $userId</info>");
-				} else {
-					$output->writeln("<info>No admin mounts configured</info>");
-				}
-			}
-			return;
-		}
+    /**
+     * @param string $userId
+     * @param StorageConfig[] $mounts
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     */
+    public function listMounts($userId, array $mounts, InputInterface $input, OutputInterface $output) {
+        $outputType = $input->getOption('output');
+        if (count($mounts) === 0) {
+            if ($outputType === self::OUTPUT_FORMAT_JSON || $outputType === self::OUTPUT_FORMAT_JSON_PRETTY) {
+                $output->writeln('[]');
+            } else {
+                if ($userId === self::ALL) {
+                    $output->writeln("<info>No mounts configured</info>");
+                } elseif ($userId) {
+                    $output->writeln("<info>No mounts configured by $userId</info>");
+                } else {
+                    $output->writeln("<info>No admin mounts configured</info>");
+                }
+            }
+            return;
+        }
 
-		$headers = ['Mount ID', 'Mount Point', 'Storage', 'Authentication Type', 'Configuration', 'Options'];
+        $headers = ['Mount ID', 'Mount Point', 'Storage', 'Authentication Type', 'Configuration', 'Options'];
 
-		if (!$userId || $userId === self::ALL) {
-			$headers[] = 'Applicable Users';
-			$headers[] = 'Applicable Groups';
-		}
-		if ($userId === self::ALL) {
-			$headers[] = 'Type';
-		}
+        if (!$userId || $userId === self::ALL) {
+            $headers[] = 'Applicable Users';
+            $headers[] = 'Applicable Groups';
+        }
+        if ($userId === self::ALL) {
+            $headers[] = 'Type';
+        }
 
-		if (!$input->getOption('show-password')) {
-			$hideKeys = ['password', 'refresh_token', 'token', 'client_secret', 'public_key', 'private_key'];
-			foreach ($mounts as $mount) {
-				$config = $mount->getBackendOptions();
-				foreach ($config as $key => $value) {
-					if (in_array($key, $hideKeys)) {
-						$mount->setBackendOption($key, '***');
-					}
-				}
-			}
-		}
+        if (!$input->getOption('show-password')) {
+            $hideKeys = ['password', 'refresh_token', 'token', 'client_secret', 'public_key', 'private_key'];
+            foreach ($mounts as $mount) {
+                $config = $mount->getBackendOptions();
+                foreach ($config as $key => $value) {
+                    if (in_array($key, $hideKeys)) {
+                        $mount->setBackendOption($key, '***');
+                    }
+                }
+            }
+        }
 
-		if ($outputType === self::OUTPUT_FORMAT_JSON || $outputType === self::OUTPUT_FORMAT_JSON_PRETTY) {
-			$keys = array_map(function ($header) {
-				return strtolower(str_replace(' ', '_', $header));
-			}, $headers);
+        if ($outputType === self::OUTPUT_FORMAT_JSON || $outputType === self::OUTPUT_FORMAT_JSON_PRETTY) {
+            $keys = array_map(function ($header) {
+                return strtolower(str_replace(' ', '_', $header));
+            }, $headers);
 
-			$pairs = array_map(function (StorageConfig $config) use ($keys, $userId) {
-				$values = [
-					$config->getId(),
-					$config->getMountPoint(),
-					$config->getBackend()->getStorageClass(),
-					$config->getAuthMechanism()->getIdentifier(),
-					$config->getBackendOptions(),
-					$config->getMountOptions()
-				];
-				if (!$userId || $userId === self::ALL) {
-					$values[] = $config->getApplicableUsers();
-					$values[] = $config->getApplicableGroups();
-				}
-				if ($userId === self::ALL) {
-					$values[] = $config->getType() === StorageConfig::MOUNT_TYPE_ADMIN ? 'admin' : 'personal';
-				}
+            $pairs = array_map(function (StorageConfig $config) use ($keys, $userId) {
+                $values = [
+                    $config->getId(),
+                    $config->getMountPoint(),
+                    $config->getBackend()->getStorageClass(),
+                    $config->getAuthMechanism()->getIdentifier(),
+                    $config->getBackendOptions(),
+                    $config->getMountOptions()
+                ];
+                if (!$userId || $userId === self::ALL) {
+                    $values[] = $config->getApplicableUsers();
+                    $values[] = $config->getApplicableGroups();
+                }
+                if ($userId === self::ALL) {
+                    $values[] = $config->getType() === StorageConfig::MOUNT_TYPE_ADMIN ? 'admin' : 'personal';
+                }
 
-				return array_combine($keys, $values);
-			}, $mounts);
-			if ($outputType === self::OUTPUT_FORMAT_JSON) {
-				$output->writeln(json_encode(array_values($pairs)));
-			} else {
-				$output->writeln(json_encode(array_values($pairs), JSON_PRETTY_PRINT));
-			}
-		} else {
-			$full = $input->getOption('full');
-			$defaultMountOptions = [
-				'encrypt' => true,
-				'previews' => true,
-				'filesystem_check_changes' => 1,
-				'enable_sharing' => false,
-				'encoding_compatibility' => false,
-				'readonly' => false,
-			];
-			$rows = array_map(function (StorageConfig $config) use ($userId, $defaultMountOptions, $full) {
-				$storageConfig = $config->getBackendOptions();
-				$keys = array_keys($storageConfig);
-				$values = array_values($storageConfig);
+                return array_combine($keys, $values);
+            }, $mounts);
+            if ($outputType === self::OUTPUT_FORMAT_JSON) {
+                $output->writeln(json_encode(array_values($pairs)));
+            } else {
+                $output->writeln(json_encode(array_values($pairs), JSON_PRETTY_PRINT));
+            }
+        } else {
+            $full = $input->getOption('full');
+            $defaultMountOptions = [
+                'encrypt' => true,
+                'previews' => true,
+                'filesystem_check_changes' => 1,
+                'enable_sharing' => false,
+                'encoding_compatibility' => false,
+                'readonly' => false,
+            ];
+            $rows = array_map(function (StorageConfig $config) use ($userId, $defaultMountOptions, $full) {
+                $storageConfig = $config->getBackendOptions();
+                $keys = array_keys($storageConfig);
+                $values = array_values($storageConfig);
 
-				if (!$full) {
-					$values = array_map(function ($value) {
-						if (is_string($value) && strlen($value) > 32) {
-							return substr($value, 0, 6) . '...' . substr($value, -6, 6);
-						} else {
-							return $value;
-						}
-					}, $values);
-				}
+                if (!$full) {
+                    $values = array_map(function ($value) {
+                        if (is_string($value) && strlen($value) > 32) {
+                            return substr($value, 0, 6) . '...' . substr($value, -6, 6);
+                        } else {
+                            return $value;
+                        }
+                    }, $values);
+                }
 
-				$configStrings = array_map(function ($key, $value) {
-					return $key . ': ' . json_encode($value);
-				}, $keys, $values);
-				$configString = implode(', ', $configStrings);
+                $configStrings = array_map(function ($key, $value) {
+                    return $key . ': ' . json_encode($value);
+                }, $keys, $values);
+                $configString = implode(', ', $configStrings);
 
-				$mountOptions = $config->getMountOptions();
-				// hide defaults
-				foreach ($mountOptions as $key => $value) {
-					if ($value === $defaultMountOptions[$key]) {
-						unset($mountOptions[$key]);
-					}
-				}
-				$keys = array_keys($mountOptions);
-				$values = array_values($mountOptions);
+                $mountOptions = $config->getMountOptions();
+                // hide defaults
+                foreach ($mountOptions as $key => $value) {
+                    if ($value === $defaultMountOptions[$key]) {
+                        unset($mountOptions[$key]);
+                    }
+                }
+                $keys = array_keys($mountOptions);
+                $values = array_values($mountOptions);
 
-				$optionsStrings = array_map(function ($key, $value) {
-					return $key . ': ' . json_encode($value);
-				}, $keys, $values);
-				$optionsString = implode(', ', $optionsStrings);
+                $optionsStrings = array_map(function ($key, $value) {
+                    return $key . ': ' . json_encode($value);
+                }, $keys, $values);
+                $optionsString = implode(', ', $optionsStrings);
 
-				$values = [
-					$config->getId(),
-					$config->getMountPoint(),
-					$config->getBackend()->getText(),
-					$config->getAuthMechanism()->getText(),
-					$configString,
-					$optionsString
-				];
+                $values = [
+                    $config->getId(),
+                    $config->getMountPoint(),
+                    $config->getBackend()->getText(),
+                    $config->getAuthMechanism()->getText(),
+                    $configString,
+                    $optionsString
+                ];
 
-				if (!$userId || $userId === self::ALL) {
-					$applicableUsers = implode(', ', $config->getApplicableUsers());
-					$applicableGroups = implode(', ', $config->getApplicableGroups());
-					if ($applicableUsers === '' && $applicableGroups === '') {
-						$applicableUsers = 'All';
-					}
-					$values[] = $applicableUsers;
-					$values[] = $applicableGroups;
-				}
-				if ($userId === self::ALL) {
-					$values[] = $config->getType() === StorageConfig::MOUNT_TYPE_ADMIN ? 'Admin' : 'Personal';
-				}
+                if (!$userId || $userId === self::ALL) {
+                    $applicableUsers = implode(', ', $config->getApplicableUsers());
+                    $applicableGroups = implode(', ', $config->getApplicableGroups());
+                    if ($applicableUsers === '' && $applicableGroups === '') {
+                        $applicableUsers = 'All';
+                    }
+                    $values[] = $applicableUsers;
+                    $values[] = $applicableGroups;
+                }
+                if ($userId === self::ALL) {
+                    $values[] = $config->getType() === StorageConfig::MOUNT_TYPE_ADMIN ? 'Admin' : 'Personal';
+                }
 
-				return $values;
-			}, $mounts);
+                return $values;
+            }, $mounts);
 
-			$table = new Table($output);
-			$table->setHeaders($headers);
-			$table->setRows($rows);
-			$table->render();
-		}
-	}
+            $table = new Table($output);
+            $table->setHeaders($headers);
+            $table->setRows($rows);
+            $table->render();
+        }
+    }
 
-	protected function getStorageService($userId) {
-		if (!empty($userId)) {
-			$user = $this->userManager->get($userId);
-			if (is_null($user)) {
-				throw new NoUserException("user $userId not found");
-			}
-			$this->userSession->setUser($user);
-			return $this->userService;
-		} else {
-			return $this->globalService;
-		}
-	}
+    protected function getStorageService($userId) {
+        if (!empty($userId)) {
+            $user = $this->userManager->get($userId);
+            if (is_null($user)) {
+                throw new NoUserException("user $userId not found");
+            }
+            $this->userSession->setUser($user);
+            return $this->userService;
+        } else {
+            return $this->globalService;
+        }
+    }
 }

apps/files_sharing/lib/Helper.php

Indentation +57 added lines, -57 removed lines

@@ -31,68 +31,68 @@
 use OC\Files\View;
 
 class Helper {
-	public static function registerHooks() {
-		\OCP\Util::connectHook('OC_Filesystem', 'post_rename', '\OCA\Files_Sharing\Updater', 'renameHook');
-		\OCP\Util::connectHook('OC_Filesystem', 'post_delete', '\OCA\Files_Sharing\Hooks', 'unshareChildren');
+    public static function registerHooks() {
+        \OCP\Util::connectHook('OC_Filesystem', 'post_rename', '\OCA\Files_Sharing\Updater', 'renameHook');
+        \OCP\Util::connectHook('OC_Filesystem', 'post_delete', '\OCA\Files_Sharing\Hooks', 'unshareChildren');
 
-		\OCP\Util::connectHook('OC_User', 'post_deleteUser', '\OCA\Files_Sharing\Hooks', 'deleteUser');
-	}
+        \OCP\Util::connectHook('OC_User', 'post_deleteUser', '\OCA\Files_Sharing\Hooks', 'deleteUser');
+    }
 
-	/**
-	 * check if file name already exists and generate unique target
-	 *
-	 * @param string $path
-	 * @param array $excludeList
-	 * @param View $view
-	 * @return string $path
-	 */
-	public static function generateUniqueTarget($path, $excludeList, $view) {
-		$pathinfo = pathinfo($path);
-		$ext = isset($pathinfo['extension']) ? '.'.$pathinfo['extension'] : '';
-		$name = $pathinfo['filename'];
-		$dir = $pathinfo['dirname'];
-		$i = 2;
-		while ($view->file_exists($path) || in_array($path, $excludeList)) {
-			$path = Filesystem::normalizePath($dir . '/' . $name . ' ('.$i.')' . $ext);
-			$i++;
-		}
+    /**
+     * check if file name already exists and generate unique target
+     *
+     * @param string $path
+     * @param array $excludeList
+     * @param View $view
+     * @return string $path
+     */
+    public static function generateUniqueTarget($path, $excludeList, $view) {
+        $pathinfo = pathinfo($path);
+        $ext = isset($pathinfo['extension']) ? '.'.$pathinfo['extension'] : '';
+        $name = $pathinfo['filename'];
+        $dir = $pathinfo['dirname'];
+        $i = 2;
+        while ($view->file_exists($path) || in_array($path, $excludeList)) {
+            $path = Filesystem::normalizePath($dir . '/' . $name . ' ('.$i.')' . $ext);
+            $i++;
+        }
 
-		return $path;
-	}
+        return $path;
+    }
 
-	/**
-	 * get default share folder
-	 *
-	 * @param \OC\Files\View $view
-	 * @return string
-	 */
-	public static function getShareFolder($view = null) {
-		if ($view === null) {
-			$view = Filesystem::getView();
-		}
-		$shareFolder = \OC::$server->getConfig()->getSystemValue('share_folder', '/');
-		$shareFolder = Filesystem::normalizePath($shareFolder);
+    /**
+     * get default share folder
+     *
+     * @param \OC\Files\View $view
+     * @return string
+     */
+    public static function getShareFolder($view = null) {
+        if ($view === null) {
+            $view = Filesystem::getView();
+        }
+        $shareFolder = \OC::$server->getConfig()->getSystemValue('share_folder', '/');
+        $shareFolder = Filesystem::normalizePath($shareFolder);
 
-		if (!$view->file_exists($shareFolder)) {
-			$dir = '';
-			$subdirs = explode('/', $shareFolder);
-			foreach ($subdirs as $subdir) {
-				$dir = $dir . '/' . $subdir;
-				if (!$view->is_dir($dir)) {
-					$view->mkdir($dir);
-				}
-			}
-		}
+        if (!$view->file_exists($shareFolder)) {
+            $dir = '';
+            $subdirs = explode('/', $shareFolder);
+            foreach ($subdirs as $subdir) {
+                $dir = $dir . '/' . $subdir;
+                if (!$view->is_dir($dir)) {
+                    $view->mkdir($dir);
+                }
+            }
+        }
 
-		return $shareFolder;
-	}
+        return $shareFolder;
+    }
 
-	/**
-	 * set default share folder
-	 *
-	 * @param string $shareFolder
-	 */
-	public static function setShareFolder($shareFolder) {
-		\OC::$server->getConfig()->setSystemValue('share_folder', $shareFolder);
-	}
+    /**
+     * set default share folder
+     *
+     * @param string $shareFolder
+     */
+    public static function setShareFolder($shareFolder) {
+        \OC::$server->getConfig()->setSystemValue('share_folder', $shareFolder);
+    }
 }

apps/files_sharing/lib/Controller/ShareAPIController.php

Indentation +1609 added lines, -1609 removed lines

@@ -78,1616 +78,1616 @@
  */
 class ShareAPIController extends OCSController {
 
-	/** @var IManager */
-	private $shareManager;
-	/** @var IGroupManager */
-	private $groupManager;
-	/** @var IUserManager */
-	private $userManager;
-	/** @var IRootFolder */
-	private $rootFolder;
-	/** @var IURLGenerator */
-	private $urlGenerator;
-	/** @var string */
-	private $currentUser;
-	/** @var IL10N */
-	private $l;
-	/** @var \OCP\Files\Node */
-	private $lockedNode;
-	/** @var IConfig */
-	private $config;
-	/** @var IAppManager */
-	private $appManager;
-	/** @var IServerContainer */
-	private $serverContainer;
-
-	/**
-	 * Share20OCS constructor.
-	 *
-	 * @param string $appName
-	 * @param IRequest $request
-	 * @param IManager $shareManager
-	 * @param IGroupManager $groupManager
-	 * @param IUserManager $userManager
-	 * @param IRootFolder $rootFolder
-	 * @param IURLGenerator $urlGenerator
-	 * @param string $userId
-	 * @param IL10N $l10n
-	 * @param IConfig $config
-	 * @param IAppManager $appManager
-	 * @param IServerContainer $serverContainer
-	 */
-	public function __construct(
-		string $appName,
-		IRequest $request,
-		IManager $shareManager,
-		IGroupManager $groupManager,
-		IUserManager $userManager,
-		IRootFolder $rootFolder,
-		IURLGenerator $urlGenerator,
-		string $userId = null,
-		IL10N $l10n,
-		IConfig $config,
-		IAppManager $appManager,
-		IServerContainer $serverContainer
-	) {
-		parent::__construct($appName, $request);
-
-		$this->shareManager = $shareManager;
-		$this->userManager = $userManager;
-		$this->groupManager = $groupManager;
-		$this->request = $request;
-		$this->rootFolder = $rootFolder;
-		$this->urlGenerator = $urlGenerator;
-		$this->currentUser = $userId;
-		$this->l = $l10n;
-		$this->config = $config;
-		$this->appManager = $appManager;
-		$this->serverContainer = $serverContainer;
-	}
-
-	/**
-	 * Convert an IShare to an array for OCS output
-	 *
-	 * @param \OCP\Share\IShare $share
-	 * @param Node|null $recipientNode
-	 * @return array
-	 * @throws NotFoundException In case the node can't be resolved.
-	 *
-	 * @suppress PhanUndeclaredClassMethod
-	 */
-	protected function formatShare(IShare $share, Node $recipientNode = null): array {
-		$sharedBy = $this->userManager->get($share->getSharedBy());
-		$shareOwner = $this->userManager->get($share->getShareOwner());
-
-		$result = [
-			'id' => $share->getId(),
-			'share_type' => $share->getShareType(),
-			'uid_owner' => $share->getSharedBy(),
-			'displayname_owner' => $sharedBy !== null ? $sharedBy->getDisplayName() : $share->getSharedBy(),
-			// recipient permissions
-			'permissions' => $share->getPermissions(),
-			// current user permissions on this share
-			'can_edit' => $this->canEditShare($share),
-			'can_delete' => $this->canDeleteShare($share),
-			'stime' => $share->getShareTime()->getTimestamp(),
-			'parent' => null,
-			'expiration' => null,
-			'token' => null,
-			'uid_file_owner' => $share->getShareOwner(),
-			'note' => $share->getNote(),
-			'label' => $share->getLabel(),
-			'displayname_file_owner' => $shareOwner !== null ? $shareOwner->getDisplayName() : $share->getShareOwner(),
-		];
-
-		$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
-		if ($recipientNode) {
-			$node = $recipientNode;
-		} else {
-			$nodes = $userFolder->getById($share->getNodeId());
-			if (empty($nodes)) {
-				// fallback to guessing the path
-				$node = $userFolder->get($share->getTarget());
-				if ($node === null || $share->getTarget() === '') {
-					throw new NotFoundException();
-				}
-			} else {
-				$node = reset($nodes);
-			}
-		}
-
-		$result['path'] = $userFolder->getRelativePath($node->getPath());
-		if ($node instanceof Folder) {
-			$result['item_type'] = 'folder';
-		} else {
-			$result['item_type'] = 'file';
-		}
-
-		$result['mimetype'] = $node->getMimetype();
-		$result['storage_id'] = $node->getStorage()->getId();
-		$result['storage'] = $node->getStorage()->getCache()->getNumericStorageId();
-		$result['item_source'] = $node->getId();
-		$result['file_source'] = $node->getId();
-		$result['file_parent'] = $node->getParent()->getId();
-		$result['file_target'] = $share->getTarget();
-
-		$expiration = $share->getExpirationDate();
-		if ($expiration !== null) {
-			$result['expiration'] = $expiration->format('Y-m-d 00:00:00');
-		}
-
-		if ($share->getShareType() === IShare::TYPE_USER) {
-			$sharedWith = $this->userManager->get($share->getSharedWith());
-			$result['share_with'] = $share->getSharedWith();
-			$result['share_with_displayname'] = $sharedWith !== null ? $sharedWith->getDisplayName() : $share->getSharedWith();
-		} elseif ($share->getShareType() === IShare::TYPE_GROUP) {
-			$group = $this->groupManager->get($share->getSharedWith());
-			$result['share_with'] = $share->getSharedWith();
-			$result['share_with_displayname'] = $group !== null ? $group->getDisplayName() : $share->getSharedWith();
-		} elseif ($share->getShareType() === IShare::TYPE_LINK) {
-
-			// "share_with" and "share_with_displayname" for passwords of link
-			// shares was deprecated in Nextcloud 15, use "password" instead.
-			$result['share_with'] = $share->getPassword();
-			$result['share_with_displayname'] = '(' . $this->l->t('Shared link') . ')';
-
-			$result['password'] = $share->getPassword();
-
-			$result['send_password_by_talk'] = $share->getSendPasswordByTalk();
-
-			$result['token'] = $share->getToken();
-			$result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
-		} elseif ($share->getShareType() === IShare::TYPE_REMOTE || $share->getShareType() === IShare::TYPE_REMOTE_GROUP) {
-			$result['share_with'] = $share->getSharedWith();
-			$result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'CLOUD');
-			$result['token'] = $share->getToken();
-		} elseif ($share->getShareType() === IShare::TYPE_EMAIL) {
-			$result['share_with'] = $share->getSharedWith();
-			$result['password'] = $share->getPassword();
-			$result['send_password_by_talk'] = $share->getSendPasswordByTalk();
-			$result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'EMAIL');
-			$result['token'] = $share->getToken();
-		} elseif ($share->getShareType() === IShare::TYPE_CIRCLE) {
-			// getSharedWith() returns either "name (type, owner)" or
-			// "name (type, owner) [id]", depending on the Circles app version.
-			$hasCircleId = (substr($share->getSharedWith(), -1) === ']');
-
-			$result['share_with_displayname'] = $share->getSharedWithDisplayName();
-			if (empty($result['share_with_displayname'])) {
-				$displayNameLength = ($hasCircleId ? strrpos($share->getSharedWith(), ' ') : strlen($share->getSharedWith()));
-				$result['share_with_displayname'] = substr($share->getSharedWith(), 0, $displayNameLength);
-			}
-
-			$result['share_with_avatar'] = $share->getSharedWithAvatar();
-
-			$shareWithStart = ($hasCircleId ? strrpos($share->getSharedWith(), '[') + 1 : 0);
-			$shareWithLength = ($hasCircleId ? -1 : strpos($share->getSharedWith(), ' '));
-			if (is_bool($shareWithLength)) {
-				$shareWithLength = -1;
-			}
-			$result['share_with'] = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
-		} elseif ($share->getShareType() === IShare::TYPE_ROOM) {
-			$result['share_with'] = $share->getSharedWith();
-			$result['share_with_displayname'] = '';
-
-			try {
-				$result = array_merge($result, $this->getRoomShareHelper()->formatShare($share));
-			} catch (QueryException $e) {
-			}
-		}
-
-
-		$result['mail_send'] = $share->getMailSend() ? 1 : 0;
-		$result['hide_download'] = $share->getHideDownload() ? 1 : 0;
-
-		return $result;
-	}
-
-	/**
-	 * Check if one of the users address books knows the exact property, if
-	 * yes we return the full name.
-	 *
-	 * @param string $query
-	 * @param string $property
-	 * @return string
-	 */
-	private function getDisplayNameFromAddressBook(string $query, string $property): string {
-		// FIXME: If we inject the contacts manager it gets initialized bofore any address books are registered
-		$result = \OC::$server->getContactsManager()->search($query, [$property]);
-		foreach ($result as $r) {
-			foreach ($r[$property] as $value) {
-				if ($value === $query) {
-					return $r['FN'];
-				}
-			}
-		}
-
-		return $query;
-	}
-
-	/**
-	 * Get a specific share by id
-	 *
-	 * @NoAdminRequired
-	 *
-	 * @param string $id
-	 * @return DataResponse
-	 * @throws OCSNotFoundException
-	 */
-	public function getShare(string $id): DataResponse {
-		try {
-			$share = $this->getShareById($id);
-		} catch (ShareNotFound $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		try {
-			if ($this->canAccessShare($share)) {
-				$share = $this->formatShare($share);
-				return new DataResponse([$share]);
-			}
-		} catch (NotFoundException $e) {
-			// Fall trough
-		}
-
-		throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-	}
-
-	/**
-	 * Delete a share
-	 *
-	 * @NoAdminRequired
-	 *
-	 * @param string $id
-	 * @return DataResponse
-	 * @throws OCSNotFoundException
-	 */
-	public function deleteShare(string $id): DataResponse {
-		try {
-			$share = $this->getShareById($id);
-		} catch (ShareNotFound $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		try {
-			$this->lock($share->getNode());
-		} catch (LockedException $e) {
-			throw new OCSNotFoundException($this->l->t('Could not delete share'));
-		}
-
-		if (!$this->canAccessShare($share)) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		// if it's a group share or a room share
-		// we don't delete the share, but only the
-		// mount point. Allowing it to be restored
-		// from the deleted shares
-		if ($this->canDeleteShareFromSelf($share)) {
-			$this->shareManager->deleteFromSelf($share, $this->currentUser);
-		} else {
-			if (!$this->canDeleteShare($share)) {
-				throw new OCSForbiddenException($this->l->t('Could not delete share'));
-			}
-
-			$this->shareManager->deleteShare($share);
-		}
-
-		return new DataResponse();
-	}
-
-	/**
-	 * @NoAdminRequired
-	 *
-	 * @param string $path
-	 * @param int $permissions
-	 * @param int $shareType
-	 * @param string $shareWith
-	 * @param string $publicUpload
-	 * @param string $password
-	 * @param string $sendPasswordByTalk
-	 * @param string $expireDate
-	 * @param string $label
-	 *
-	 * @return DataResponse
-	 * @throws NotFoundException
-	 * @throws OCSBadRequestException
-	 * @throws OCSException
-	 * @throws OCSForbiddenException
-	 * @throws OCSNotFoundException
-	 * @throws InvalidPathException
-	 * @suppress PhanUndeclaredClassMethod
-	 */
-	public function createShare(
-		string $path = null,
-		int $permissions = null,
-		int $shareType = -1,
-		string $shareWith = null,
-		string $publicUpload = 'false',
-		string $password = '',
-		string $sendPasswordByTalk = null,
-		string $expireDate = '',
-		string $label = ''
-	): DataResponse {
-		$share = $this->shareManager->newShare();
-
-		if ($permissions === null) {
-			$permissions = $this->config->getAppValue('core', 'shareapi_default_permissions', Constants::PERMISSION_ALL);
-		}
-
-		// Verify path
-		if ($path === null) {
-			throw new OCSNotFoundException($this->l->t('Please specify a file or folder path'));
-		}
-
-		$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
-		try {
-			$path = $userFolder->get($path);
-		} catch (NotFoundException $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
-		}
-
-		$share->setNode($path);
-
-		try {
-			$this->lock($share->getNode());
-		} catch (LockedException $e) {
-			throw new OCSNotFoundException($this->l->t('Could not create share'));
-		}
-
-		if ($permissions < 0 || $permissions > Constants::PERMISSION_ALL) {
-			throw new OCSNotFoundException($this->l->t('invalid permissions'));
-		}
-
-		// Shares always require read permissions
-		$permissions |= Constants::PERMISSION_READ;
-
-		if ($path instanceof \OCP\Files\File) {
-			// Single file shares should never have delete or create permissions
-			$permissions &= ~Constants::PERMISSION_DELETE;
-			$permissions &= ~Constants::PERMISSION_CREATE;
-		}
-
-		/**
-		 * Hack for https://github.com/owncloud/core/issues/22587
-		 * We check the permissions via webdav. But the permissions of the mount point
-		 * do not equal the share permissions. Here we fix that for federated mounts.
-		 */
-		if ($path->getStorage()->instanceOfStorage(Storage::class)) {
-			$permissions &= ~($permissions & ~$path->getPermissions());
-		}
-
-		if ($shareType === IShare::TYPE_USER) {
-			// Valid user is required to share
-			if ($shareWith === null || !$this->userManager->userExists($shareWith)) {
-				throw new OCSNotFoundException($this->l->t('Please specify a valid user'));
-			}
-			$share->setSharedWith($shareWith);
-			$share->setPermissions($permissions);
-		} elseif ($shareType === IShare::TYPE_GROUP) {
-			if (!$this->shareManager->allowGroupSharing()) {
-				throw new OCSNotFoundException($this->l->t('Group sharing is disabled by the administrator'));
-			}
-
-			// Valid group is required to share
-			if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
-				throw new OCSNotFoundException($this->l->t('Please specify a valid group'));
-			}
-			$share->setSharedWith($shareWith);
-			$share->setPermissions($permissions);
-		} elseif ($shareType === IShare::TYPE_LINK
-			|| $shareType === IShare::TYPE_EMAIL) {
-
-			// Can we even share links?
-			if (!$this->shareManager->shareApiAllowLinks()) {
-				throw new OCSNotFoundException($this->l->t('Public link sharing is disabled by the administrator'));
-			}
-
-			if ($publicUpload === 'true') {
-				// Check if public upload is allowed
-				if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
-					throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
-				}
-
-				// Public upload can only be set for folders
-				if ($path instanceof \OCP\Files\File) {
-					throw new OCSNotFoundException($this->l->t('Public upload is only possible for publicly shared folders'));
-				}
-
-				$permissions = Constants::PERMISSION_READ |
-					Constants::PERMISSION_CREATE |
-					Constants::PERMISSION_UPDATE |
-					Constants::PERMISSION_DELETE;
-			} else {
-				$permissions = Constants::PERMISSION_READ;
-			}
-
-			// TODO: It might make sense to have a dedicated setting to allow/deny converting link shares into federated ones
-			if (($permissions & Constants::PERMISSION_READ) && $this->shareManager->outgoingServer2ServerSharesAllowed()) {
-				$permissions |= Constants::PERMISSION_SHARE;
-			}
-
-			$share->setPermissions($permissions);
-
-			// Set password
-			if ($password !== '') {
-				$share->setPassword($password);
-			}
-
-			// Only share by mail have a recipient
-			if ($shareType === IShare::TYPE_EMAIL) {
-				$share->setSharedWith($shareWith);
-			} else {
-				// Only link share have a label
-				if (!empty($label)) {
-					$share->setLabel($label);
-				}
-			}
-
-			if ($sendPasswordByTalk === 'true') {
-				if (!$this->appManager->isEnabledForUser('spreed')) {
-					throw new OCSForbiddenException($this->l->t('Sharing %s sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled', [$path->getPath()]));
-				}
-
-				$share->setSendPasswordByTalk(true);
-			}
-
-			//Expire date
-			if ($expireDate !== '') {
-				try {
-					$expireDate = $this->parseDate($expireDate);
-					$share->setExpirationDate($expireDate);
-				} catch (\Exception $e) {
-					throw new OCSNotFoundException($this->l->t('Invalid date, date format must be YYYY-MM-DD'));
-				}
-			}
-		} elseif ($shareType === IShare::TYPE_REMOTE) {
-			if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
-				throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
-			}
-
-			$share->setSharedWith($shareWith);
-			$share->setPermissions($permissions);
-		} elseif ($shareType === IShare::TYPE_REMOTE_GROUP) {
-			if (!$this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
-				throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
-			}
-
-			$share->setSharedWith($shareWith);
-			$share->setPermissions($permissions);
-		} elseif ($shareType === IShare::TYPE_CIRCLE) {
-			if (!\OC::$server->getAppManager()->isEnabledForUser('circles') || !class_exists('\OCA\Circles\ShareByCircleProvider')) {
-				throw new OCSNotFoundException($this->l->t('You cannot share to a Circle if the app is not enabled'));
-			}
-
-			$circle = \OCA\Circles\Api\v1\Circles::detailsCircle($shareWith);
-
-			// Valid circle is required to share
-			if ($circle === null) {
-				throw new OCSNotFoundException($this->l->t('Please specify a valid circle'));
-			}
-			$share->setSharedWith($shareWith);
-			$share->setPermissions($permissions);
-		} elseif ($shareType === IShare::TYPE_ROOM) {
-			try {
-				$this->getRoomShareHelper()->createShare($share, $shareWith, $permissions, $expireDate);
-			} catch (QueryException $e) {
-				throw new OCSForbiddenException($this->l->t('Sharing %s failed because the back end does not support room shares', [$path->getPath()]));
-			}
-		} else {
-			throw new OCSBadRequestException($this->l->t('Unknown share type'));
-		}
-
-		$share->setShareType($shareType);
-		$share->setSharedBy($this->currentUser);
-
-		try {
-			$share = $this->shareManager->createShare($share);
-		} catch (GenericShareException $e) {
-			$code = $e->getCode() === 0 ? 403 : $e->getCode();
-			throw new OCSException($e->getHint(), $code);
-		} catch (\Exception $e) {
-			throw new OCSForbiddenException($e->getMessage(), $e);
-		}
-
-		$output = $this->formatShare($share);
-
-		return new DataResponse($output);
-	}
-
-	/**
-	 * @param null|Node $node
-	 * @param boolean $includeTags
-	 *
-	 * @return array
-	 */
-	private function getSharedWithMe($node, bool $includeTags): array {
-		$userShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_USER, $node, -1, 0);
-		$groupShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_GROUP, $node, -1, 0);
-		$circleShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_CIRCLE, $node, -1, 0);
-		$roomShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_ROOM, $node, -1, 0);
-
-		$shares = array_merge($userShares, $groupShares, $circleShares, $roomShares);
-
-		$filteredShares = array_filter($shares, function (IShare $share) {
-			return $share->getShareOwner() !== $this->currentUser;
-		});
-
-		$formatted = [];
-		foreach ($filteredShares as $share) {
-			if ($this->canAccessShare($share)) {
-				try {
-					$formatted[] = $this->formatShare($share);
-				} catch (NotFoundException $e) {
-					// Ignore this share
-				}
-			}
-		}
-
-		if ($includeTags) {
-			$formatted = Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
-		}
-
-		return $formatted;
-	}
-
-	/**
-	 * @param \OCP\Files\Node $folder
-	 *
-	 * @return array
-	 * @throws OCSBadRequestException
-	 * @throws NotFoundException
-	 */
-	private function getSharesInDir(Node $folder): array {
-		if (!($folder instanceof \OCP\Files\Folder)) {
-			throw new OCSBadRequestException($this->l->t('Not a directory'));
-		}
-
-		$nodes = $folder->getDirectoryListing();
-
-		/** @var \OCP\Share\IShare[] $shares */
-		$shares = array_reduce($nodes, function ($carry, $node) {
-			$carry = array_merge($carry, $this->getAllShares($node, true));
-			return $carry;
-		}, []);
-
-		// filter out duplicate shares
-		$known = [];
-
-
-		$formatted = $miniFormatted = [];
-		$resharingRight = false;
-		$known = [];
-		foreach ($shares as $share) {
-			if (in_array($share->getId(), $known) || $share->getSharedWith() === $this->currentUser) {
-				continue;
-			}
-
-			try {
-				$format = $this->formatShare($share);
-
-				$known[] = $share->getId();
-				$formatted[] = $format;
-				if ($share->getSharedBy() === $this->currentUser) {
-					$miniFormatted[] = $format;
-				}
-				if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $folder)) {
-					$resharingRight = true;
-				}
-			} catch (\Exception $e) {
-				//Ignore this share
-			}
-		}
-
-		if (!$resharingRight) {
-			$formatted = $miniFormatted;
-		}
-
-		return $formatted;
-	}
-
-	/**
-	 * The getShares function.
-	 *
-	 * @NoAdminRequired
-	 *
-	 * @param string $shared_with_me
-	 * @param string $reshares
-	 * @param string $subfiles
-	 * @param string $path
-	 *
-	 * - Get shares by the current user
-	 * - Get shares by the current user and reshares (?reshares=true)
-	 * - Get shares with the current user (?shared_with_me=true)
-	 * - Get shares for a specific path (?path=...)
-	 * - Get all shares in a folder (?subfiles=true&path=..)
-	 *
-	 * @param string $include_tags
-	 *
-	 * @return DataResponse
-	 * @throws NotFoundException
-	 * @throws OCSBadRequestException
-	 * @throws OCSNotFoundException
-	 */
-	public function getShares(
-		string $shared_with_me = 'false',
-		string $reshares = 'false',
-		string $subfiles = 'false',
-		string $path = '',
-		string $include_tags = 'false'
-	): DataResponse {
-		$node = null;
-		if ($path !== '') {
-			$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
-			try {
-				$node = $userFolder->get($path);
-				$this->lock($node);
-			} catch (NotFoundException $e) {
-				throw new OCSNotFoundException(
-					$this->l->t('Wrong path, file/folder doesn\'t exist')
-				);
-			} catch (LockedException $e) {
-				throw new OCSNotFoundException($this->l->t('Could not lock node'));
-			}
-		}
-
-		$shares = $this->getFormattedShares(
-			$this->currentUser,
-			$node,
-			($shared_with_me === 'true'),
-			($reshares === 'true'),
-			($subfiles === 'true'),
-			($include_tags === 'true')
-		);
-
-		return new DataResponse($shares);
-	}
-
-
-	/**
-	 * @param string $viewer
-	 * @param Node $node
-	 * @param bool $sharedWithMe
-	 * @param bool $reShares
-	 * @param bool $subFiles
-	 * @param bool $includeTags
-	 *
-	 * @return array
-	 * @throws NotFoundException
-	 * @throws OCSBadRequestException
-	 */
-	private function getFormattedShares(
-		string $viewer,
-		$node = null,
-		bool $sharedWithMe = false,
-		bool $reShares = false,
-		bool $subFiles = false,
-		bool $includeTags = false
-	): array {
-		if ($sharedWithMe) {
-			return $this->getSharedWithMe($node, $includeTags);
-		}
-
-		if ($subFiles) {
-			return $this->getSharesInDir($node);
-		}
-
-		$shares = $this->getSharesFromNode($viewer, $node, $reShares);
-
-		$known = $formatted = $miniFormatted = [];
-		$resharingRight = false;
-		foreach ($shares as $share) {
-			try {
-				$share->getNode();
-			} catch (NotFoundException $e) {
-				/*
+    /** @var IManager */
+    private $shareManager;
+    /** @var IGroupManager */
+    private $groupManager;
+    /** @var IUserManager */
+    private $userManager;
+    /** @var IRootFolder */
+    private $rootFolder;
+    /** @var IURLGenerator */
+    private $urlGenerator;
+    /** @var string */
+    private $currentUser;
+    /** @var IL10N */
+    private $l;
+    /** @var \OCP\Files\Node */
+    private $lockedNode;
+    /** @var IConfig */
+    private $config;
+    /** @var IAppManager */
+    private $appManager;
+    /** @var IServerContainer */
+    private $serverContainer;
+
+    /**
+     * Share20OCS constructor.
+     *
+     * @param string $appName
+     * @param IRequest $request
+     * @param IManager $shareManager
+     * @param IGroupManager $groupManager
+     * @param IUserManager $userManager
+     * @param IRootFolder $rootFolder
+     * @param IURLGenerator $urlGenerator
+     * @param string $userId
+     * @param IL10N $l10n
+     * @param IConfig $config
+     * @param IAppManager $appManager
+     * @param IServerContainer $serverContainer
+     */
+    public function __construct(
+        string $appName,
+        IRequest $request,
+        IManager $shareManager,
+        IGroupManager $groupManager,
+        IUserManager $userManager,
+        IRootFolder $rootFolder,
+        IURLGenerator $urlGenerator,
+        string $userId = null,
+        IL10N $l10n,
+        IConfig $config,
+        IAppManager $appManager,
+        IServerContainer $serverContainer
+    ) {
+        parent::__construct($appName, $request);
+
+        $this->shareManager = $shareManager;
+        $this->userManager = $userManager;
+        $this->groupManager = $groupManager;
+        $this->request = $request;
+        $this->rootFolder = $rootFolder;
+        $this->urlGenerator = $urlGenerator;
+        $this->currentUser = $userId;
+        $this->l = $l10n;
+        $this->config = $config;
+        $this->appManager = $appManager;
+        $this->serverContainer = $serverContainer;
+    }
+
+    /**
+     * Convert an IShare to an array for OCS output
+     *
+     * @param \OCP\Share\IShare $share
+     * @param Node|null $recipientNode
+     * @return array
+     * @throws NotFoundException In case the node can't be resolved.
+     *
+     * @suppress PhanUndeclaredClassMethod
+     */
+    protected function formatShare(IShare $share, Node $recipientNode = null): array {
+        $sharedBy = $this->userManager->get($share->getSharedBy());
+        $shareOwner = $this->userManager->get($share->getShareOwner());
+
+        $result = [
+            'id' => $share->getId(),
+            'share_type' => $share->getShareType(),
+            'uid_owner' => $share->getSharedBy(),
+            'displayname_owner' => $sharedBy !== null ? $sharedBy->getDisplayName() : $share->getSharedBy(),
+            // recipient permissions
+            'permissions' => $share->getPermissions(),
+            // current user permissions on this share
+            'can_edit' => $this->canEditShare($share),
+            'can_delete' => $this->canDeleteShare($share),
+            'stime' => $share->getShareTime()->getTimestamp(),
+            'parent' => null,
+            'expiration' => null,
+            'token' => null,
+            'uid_file_owner' => $share->getShareOwner(),
+            'note' => $share->getNote(),
+            'label' => $share->getLabel(),
+            'displayname_file_owner' => $shareOwner !== null ? $shareOwner->getDisplayName() : $share->getShareOwner(),
+        ];
+
+        $userFolder = $this->rootFolder->getUserFolder($this->currentUser);
+        if ($recipientNode) {
+            $node = $recipientNode;
+        } else {
+            $nodes = $userFolder->getById($share->getNodeId());
+            if (empty($nodes)) {
+                // fallback to guessing the path
+                $node = $userFolder->get($share->getTarget());
+                if ($node === null || $share->getTarget() === '') {
+                    throw new NotFoundException();
+                }
+            } else {
+                $node = reset($nodes);
+            }
+        }
+
+        $result['path'] = $userFolder->getRelativePath($node->getPath());
+        if ($node instanceof Folder) {
+            $result['item_type'] = 'folder';
+        } else {
+            $result['item_type'] = 'file';
+        }
+
+        $result['mimetype'] = $node->getMimetype();
+        $result['storage_id'] = $node->getStorage()->getId();
+        $result['storage'] = $node->getStorage()->getCache()->getNumericStorageId();
+        $result['item_source'] = $node->getId();
+        $result['file_source'] = $node->getId();
+        $result['file_parent'] = $node->getParent()->getId();
+        $result['file_target'] = $share->getTarget();
+
+        $expiration = $share->getExpirationDate();
+        if ($expiration !== null) {
+            $result['expiration'] = $expiration->format('Y-m-d 00:00:00');
+        }
+
+        if ($share->getShareType() === IShare::TYPE_USER) {
+            $sharedWith = $this->userManager->get($share->getSharedWith());
+            $result['share_with'] = $share->getSharedWith();
+            $result['share_with_displayname'] = $sharedWith !== null ? $sharedWith->getDisplayName() : $share->getSharedWith();
+        } elseif ($share->getShareType() === IShare::TYPE_GROUP) {
+            $group = $this->groupManager->get($share->getSharedWith());
+            $result['share_with'] = $share->getSharedWith();
+            $result['share_with_displayname'] = $group !== null ? $group->getDisplayName() : $share->getSharedWith();
+        } elseif ($share->getShareType() === IShare::TYPE_LINK) {
+
+            // "share_with" and "share_with_displayname" for passwords of link
+            // shares was deprecated in Nextcloud 15, use "password" instead.
+            $result['share_with'] = $share->getPassword();
+            $result['share_with_displayname'] = '(' . $this->l->t('Shared link') . ')';
+
+            $result['password'] = $share->getPassword();
+
+            $result['send_password_by_talk'] = $share->getSendPasswordByTalk();
+
+            $result['token'] = $share->getToken();
+            $result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
+        } elseif ($share->getShareType() === IShare::TYPE_REMOTE || $share->getShareType() === IShare::TYPE_REMOTE_GROUP) {
+            $result['share_with'] = $share->getSharedWith();
+            $result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'CLOUD');
+            $result['token'] = $share->getToken();
+        } elseif ($share->getShareType() === IShare::TYPE_EMAIL) {
+            $result['share_with'] = $share->getSharedWith();
+            $result['password'] = $share->getPassword();
+            $result['send_password_by_talk'] = $share->getSendPasswordByTalk();
+            $result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'EMAIL');
+            $result['token'] = $share->getToken();
+        } elseif ($share->getShareType() === IShare::TYPE_CIRCLE) {
+            // getSharedWith() returns either "name (type, owner)" or
+            // "name (type, owner) [id]", depending on the Circles app version.
+            $hasCircleId = (substr($share->getSharedWith(), -1) === ']');
+
+            $result['share_with_displayname'] = $share->getSharedWithDisplayName();
+            if (empty($result['share_with_displayname'])) {
+                $displayNameLength = ($hasCircleId ? strrpos($share->getSharedWith(), ' ') : strlen($share->getSharedWith()));
+                $result['share_with_displayname'] = substr($share->getSharedWith(), 0, $displayNameLength);
+            }
+
+            $result['share_with_avatar'] = $share->getSharedWithAvatar();
+
+            $shareWithStart = ($hasCircleId ? strrpos($share->getSharedWith(), '[') + 1 : 0);
+            $shareWithLength = ($hasCircleId ? -1 : strpos($share->getSharedWith(), ' '));
+            if (is_bool($shareWithLength)) {
+                $shareWithLength = -1;
+            }
+            $result['share_with'] = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
+        } elseif ($share->getShareType() === IShare::TYPE_ROOM) {
+            $result['share_with'] = $share->getSharedWith();
+            $result['share_with_displayname'] = '';
+
+            try {
+                $result = array_merge($result, $this->getRoomShareHelper()->formatShare($share));
+            } catch (QueryException $e) {
+            }
+        }
+
+
+        $result['mail_send'] = $share->getMailSend() ? 1 : 0;
+        $result['hide_download'] = $share->getHideDownload() ? 1 : 0;
+
+        return $result;
+    }
+
+    /**
+     * Check if one of the users address books knows the exact property, if
+     * yes we return the full name.
+     *
+     * @param string $query
+     * @param string $property
+     * @return string
+     */
+    private function getDisplayNameFromAddressBook(string $query, string $property): string {
+        // FIXME: If we inject the contacts manager it gets initialized bofore any address books are registered
+        $result = \OC::$server->getContactsManager()->search($query, [$property]);
+        foreach ($result as $r) {
+            foreach ($r[$property] as $value) {
+                if ($value === $query) {
+                    return $r['FN'];
+                }
+            }
+        }
+
+        return $query;
+    }
+
+    /**
+     * Get a specific share by id
+     *
+     * @NoAdminRequired
+     *
+     * @param string $id
+     * @return DataResponse
+     * @throws OCSNotFoundException
+     */
+    public function getShare(string $id): DataResponse {
+        try {
+            $share = $this->getShareById($id);
+        } catch (ShareNotFound $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        try {
+            if ($this->canAccessShare($share)) {
+                $share = $this->formatShare($share);
+                return new DataResponse([$share]);
+            }
+        } catch (NotFoundException $e) {
+            // Fall trough
+        }
+
+        throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+    }
+
+    /**
+     * Delete a share
+     *
+     * @NoAdminRequired
+     *
+     * @param string $id
+     * @return DataResponse
+     * @throws OCSNotFoundException
+     */
+    public function deleteShare(string $id): DataResponse {
+        try {
+            $share = $this->getShareById($id);
+        } catch (ShareNotFound $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        try {
+            $this->lock($share->getNode());
+        } catch (LockedException $e) {
+            throw new OCSNotFoundException($this->l->t('Could not delete share'));
+        }
+
+        if (!$this->canAccessShare($share)) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        // if it's a group share or a room share
+        // we don't delete the share, but only the
+        // mount point. Allowing it to be restored
+        // from the deleted shares
+        if ($this->canDeleteShareFromSelf($share)) {
+            $this->shareManager->deleteFromSelf($share, $this->currentUser);
+        } else {
+            if (!$this->canDeleteShare($share)) {
+                throw new OCSForbiddenException($this->l->t('Could not delete share'));
+            }
+
+            $this->shareManager->deleteShare($share);
+        }
+
+        return new DataResponse();
+    }
+
+    /**
+     * @NoAdminRequired
+     *
+     * @param string $path
+     * @param int $permissions
+     * @param int $shareType
+     * @param string $shareWith
+     * @param string $publicUpload
+     * @param string $password
+     * @param string $sendPasswordByTalk
+     * @param string $expireDate
+     * @param string $label
+     *
+     * @return DataResponse
+     * @throws NotFoundException
+     * @throws OCSBadRequestException
+     * @throws OCSException
+     * @throws OCSForbiddenException
+     * @throws OCSNotFoundException
+     * @throws InvalidPathException
+     * @suppress PhanUndeclaredClassMethod
+     */
+    public function createShare(
+        string $path = null,
+        int $permissions = null,
+        int $shareType = -1,
+        string $shareWith = null,
+        string $publicUpload = 'false',
+        string $password = '',
+        string $sendPasswordByTalk = null,
+        string $expireDate = '',
+        string $label = ''
+    ): DataResponse {
+        $share = $this->shareManager->newShare();
+
+        if ($permissions === null) {
+            $permissions = $this->config->getAppValue('core', 'shareapi_default_permissions', Constants::PERMISSION_ALL);
+        }
+
+        // Verify path
+        if ($path === null) {
+            throw new OCSNotFoundException($this->l->t('Please specify a file or folder path'));
+        }
+
+        $userFolder = $this->rootFolder->getUserFolder($this->currentUser);
+        try {
+            $path = $userFolder->get($path);
+        } catch (NotFoundException $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
+        }
+
+        $share->setNode($path);
+
+        try {
+            $this->lock($share->getNode());
+        } catch (LockedException $e) {
+            throw new OCSNotFoundException($this->l->t('Could not create share'));
+        }
+
+        if ($permissions < 0 || $permissions > Constants::PERMISSION_ALL) {
+            throw new OCSNotFoundException($this->l->t('invalid permissions'));
+        }
+
+        // Shares always require read permissions
+        $permissions |= Constants::PERMISSION_READ;
+
+        if ($path instanceof \OCP\Files\File) {
+            // Single file shares should never have delete or create permissions
+            $permissions &= ~Constants::PERMISSION_DELETE;
+            $permissions &= ~Constants::PERMISSION_CREATE;
+        }
+
+        /**
+         * Hack for https://github.com/owncloud/core/issues/22587
+         * We check the permissions via webdav. But the permissions of the mount point
+         * do not equal the share permissions. Here we fix that for federated mounts.
+         */
+        if ($path->getStorage()->instanceOfStorage(Storage::class)) {
+            $permissions &= ~($permissions & ~$path->getPermissions());
+        }
+
+        if ($shareType === IShare::TYPE_USER) {
+            // Valid user is required to share
+            if ($shareWith === null || !$this->userManager->userExists($shareWith)) {
+                throw new OCSNotFoundException($this->l->t('Please specify a valid user'));
+            }
+            $share->setSharedWith($shareWith);
+            $share->setPermissions($permissions);
+        } elseif ($shareType === IShare::TYPE_GROUP) {
+            if (!$this->shareManager->allowGroupSharing()) {
+                throw new OCSNotFoundException($this->l->t('Group sharing is disabled by the administrator'));
+            }
+
+            // Valid group is required to share
+            if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
+                throw new OCSNotFoundException($this->l->t('Please specify a valid group'));
+            }
+            $share->setSharedWith($shareWith);
+            $share->setPermissions($permissions);
+        } elseif ($shareType === IShare::TYPE_LINK
+            || $shareType === IShare::TYPE_EMAIL) {
+
+            // Can we even share links?
+            if (!$this->shareManager->shareApiAllowLinks()) {
+                throw new OCSNotFoundException($this->l->t('Public link sharing is disabled by the administrator'));
+            }
+
+            if ($publicUpload === 'true') {
+                // Check if public upload is allowed
+                if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
+                    throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
+                }
+
+                // Public upload can only be set for folders
+                if ($path instanceof \OCP\Files\File) {
+                    throw new OCSNotFoundException($this->l->t('Public upload is only possible for publicly shared folders'));
+                }
+
+                $permissions = Constants::PERMISSION_READ |
+                    Constants::PERMISSION_CREATE |
+                    Constants::PERMISSION_UPDATE |
+                    Constants::PERMISSION_DELETE;
+            } else {
+                $permissions = Constants::PERMISSION_READ;
+            }
+
+            // TODO: It might make sense to have a dedicated setting to allow/deny converting link shares into federated ones
+            if (($permissions & Constants::PERMISSION_READ) && $this->shareManager->outgoingServer2ServerSharesAllowed()) {
+                $permissions |= Constants::PERMISSION_SHARE;
+            }
+
+            $share->setPermissions($permissions);
+
+            // Set password
+            if ($password !== '') {
+                $share->setPassword($password);
+            }
+
+            // Only share by mail have a recipient
+            if ($shareType === IShare::TYPE_EMAIL) {
+                $share->setSharedWith($shareWith);
+            } else {
+                // Only link share have a label
+                if (!empty($label)) {
+                    $share->setLabel($label);
+                }
+            }
+
+            if ($sendPasswordByTalk === 'true') {
+                if (!$this->appManager->isEnabledForUser('spreed')) {
+                    throw new OCSForbiddenException($this->l->t('Sharing %s sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled', [$path->getPath()]));
+                }
+
+                $share->setSendPasswordByTalk(true);
+            }
+
+            //Expire date
+            if ($expireDate !== '') {
+                try {
+                    $expireDate = $this->parseDate($expireDate);
+                    $share->setExpirationDate($expireDate);
+                } catch (\Exception $e) {
+                    throw new OCSNotFoundException($this->l->t('Invalid date, date format must be YYYY-MM-DD'));
+                }
+            }
+        } elseif ($shareType === IShare::TYPE_REMOTE) {
+            if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
+                throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
+            }
+
+            $share->setSharedWith($shareWith);
+            $share->setPermissions($permissions);
+        } elseif ($shareType === IShare::TYPE_REMOTE_GROUP) {
+            if (!$this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
+                throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
+            }
+
+            $share->setSharedWith($shareWith);
+            $share->setPermissions($permissions);
+        } elseif ($shareType === IShare::TYPE_CIRCLE) {
+            if (!\OC::$server->getAppManager()->isEnabledForUser('circles') || !class_exists('\OCA\Circles\ShareByCircleProvider')) {
+                throw new OCSNotFoundException($this->l->t('You cannot share to a Circle if the app is not enabled'));
+            }
+
+            $circle = \OCA\Circles\Api\v1\Circles::detailsCircle($shareWith);
+
+            // Valid circle is required to share
+            if ($circle === null) {
+                throw new OCSNotFoundException($this->l->t('Please specify a valid circle'));
+            }
+            $share->setSharedWith($shareWith);
+            $share->setPermissions($permissions);
+        } elseif ($shareType === IShare::TYPE_ROOM) {
+            try {
+                $this->getRoomShareHelper()->createShare($share, $shareWith, $permissions, $expireDate);
+            } catch (QueryException $e) {
+                throw new OCSForbiddenException($this->l->t('Sharing %s failed because the back end does not support room shares', [$path->getPath()]));
+            }
+        } else {
+            throw new OCSBadRequestException($this->l->t('Unknown share type'));
+        }
+
+        $share->setShareType($shareType);
+        $share->setSharedBy($this->currentUser);
+
+        try {
+            $share = $this->shareManager->createShare($share);
+        } catch (GenericShareException $e) {
+            $code = $e->getCode() === 0 ? 403 : $e->getCode();
+            throw new OCSException($e->getHint(), $code);
+        } catch (\Exception $e) {
+            throw new OCSForbiddenException($e->getMessage(), $e);
+        }
+
+        $output = $this->formatShare($share);
+
+        return new DataResponse($output);
+    }
+
+    /**
+     * @param null|Node $node
+     * @param boolean $includeTags
+     *
+     * @return array
+     */
+    private function getSharedWithMe($node, bool $includeTags): array {
+        $userShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_USER, $node, -1, 0);
+        $groupShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_GROUP, $node, -1, 0);
+        $circleShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_CIRCLE, $node, -1, 0);
+        $roomShares = $this->shareManager->getSharedWith($this->currentUser, IShare::TYPE_ROOM, $node, -1, 0);
+
+        $shares = array_merge($userShares, $groupShares, $circleShares, $roomShares);
+
+        $filteredShares = array_filter($shares, function (IShare $share) {
+            return $share->getShareOwner() !== $this->currentUser;
+        });
+
+        $formatted = [];
+        foreach ($filteredShares as $share) {
+            if ($this->canAccessShare($share)) {
+                try {
+                    $formatted[] = $this->formatShare($share);
+                } catch (NotFoundException $e) {
+                    // Ignore this share
+                }
+            }
+        }
+
+        if ($includeTags) {
+            $formatted = Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
+        }
+
+        return $formatted;
+    }
+
+    /**
+     * @param \OCP\Files\Node $folder
+     *
+     * @return array
+     * @throws OCSBadRequestException
+     * @throws NotFoundException
+     */
+    private function getSharesInDir(Node $folder): array {
+        if (!($folder instanceof \OCP\Files\Folder)) {
+            throw new OCSBadRequestException($this->l->t('Not a directory'));
+        }
+
+        $nodes = $folder->getDirectoryListing();
+
+        /** @var \OCP\Share\IShare[] $shares */
+        $shares = array_reduce($nodes, function ($carry, $node) {
+            $carry = array_merge($carry, $this->getAllShares($node, true));
+            return $carry;
+        }, []);
+
+        // filter out duplicate shares
+        $known = [];
+
+
+        $formatted = $miniFormatted = [];
+        $resharingRight = false;
+        $known = [];
+        foreach ($shares as $share) {
+            if (in_array($share->getId(), $known) || $share->getSharedWith() === $this->currentUser) {
+                continue;
+            }
+
+            try {
+                $format = $this->formatShare($share);
+
+                $known[] = $share->getId();
+                $formatted[] = $format;
+                if ($share->getSharedBy() === $this->currentUser) {
+                    $miniFormatted[] = $format;
+                }
+                if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $folder)) {
+                    $resharingRight = true;
+                }
+            } catch (\Exception $e) {
+                //Ignore this share
+            }
+        }
+
+        if (!$resharingRight) {
+            $formatted = $miniFormatted;
+        }
+
+        return $formatted;
+    }
+
+    /**
+     * The getShares function.
+     *
+     * @NoAdminRequired
+     *
+     * @param string $shared_with_me
+     * @param string $reshares
+     * @param string $subfiles
+     * @param string $path
+     *
+     * - Get shares by the current user
+     * - Get shares by the current user and reshares (?reshares=true)
+     * - Get shares with the current user (?shared_with_me=true)
+     * - Get shares for a specific path (?path=...)
+     * - Get all shares in a folder (?subfiles=true&path=..)
+     *
+     * @param string $include_tags
+     *
+     * @return DataResponse
+     * @throws NotFoundException
+     * @throws OCSBadRequestException
+     * @throws OCSNotFoundException
+     */
+    public function getShares(
+        string $shared_with_me = 'false',
+        string $reshares = 'false',
+        string $subfiles = 'false',
+        string $path = '',
+        string $include_tags = 'false'
+    ): DataResponse {
+        $node = null;
+        if ($path !== '') {
+            $userFolder = $this->rootFolder->getUserFolder($this->currentUser);
+            try {
+                $node = $userFolder->get($path);
+                $this->lock($node);
+            } catch (NotFoundException $e) {
+                throw new OCSNotFoundException(
+                    $this->l->t('Wrong path, file/folder doesn\'t exist')
+                );
+            } catch (LockedException $e) {
+                throw new OCSNotFoundException($this->l->t('Could not lock node'));
+            }
+        }
+
+        $shares = $this->getFormattedShares(
+            $this->currentUser,
+            $node,
+            ($shared_with_me === 'true'),
+            ($reshares === 'true'),
+            ($subfiles === 'true'),
+            ($include_tags === 'true')
+        );
+
+        return new DataResponse($shares);
+    }
+
+
+    /**
+     * @param string $viewer
+     * @param Node $node
+     * @param bool $sharedWithMe
+     * @param bool $reShares
+     * @param bool $subFiles
+     * @param bool $includeTags
+     *
+     * @return array
+     * @throws NotFoundException
+     * @throws OCSBadRequestException
+     */
+    private function getFormattedShares(
+        string $viewer,
+        $node = null,
+        bool $sharedWithMe = false,
+        bool $reShares = false,
+        bool $subFiles = false,
+        bool $includeTags = false
+    ): array {
+        if ($sharedWithMe) {
+            return $this->getSharedWithMe($node, $includeTags);
+        }
+
+        if ($subFiles) {
+            return $this->getSharesInDir($node);
+        }
+
+        $shares = $this->getSharesFromNode($viewer, $node, $reShares);
+
+        $known = $formatted = $miniFormatted = [];
+        $resharingRight = false;
+        foreach ($shares as $share) {
+            try {
+                $share->getNode();
+            } catch (NotFoundException $e) {
+                /*
 				 * Ignore shares where we can't get the node
 				 * For example deleted shares
 				 */
-				continue;
-			}
-
-			if (in_array($share->getId(), $known)
-				|| ($share->getSharedWith() === $this->currentUser && $share->getShareType() === IShare::TYPE_USER)) {
-				continue;
-			}
-
-			$known[] = $share->getId();
-			try {
-				/** @var IShare $share */
-				$format = $this->formatShare($share, $node);
-				$formatted[] = $format;
-
-				// let's also build a list of shares created
-				// by the current user only, in case
-				// there is no resharing rights
-				if ($share->getSharedBy() === $this->currentUser) {
-					$miniFormatted[] = $format;
-				}
-
-				// check if one of those share is shared with me
-				// and if I have resharing rights on it
-				if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $node)) {
-					$resharingRight = true;
-				}
-			} catch (InvalidPathException | NotFoundException $e) {
-			}
-		}
-
-		if (!$resharingRight) {
-			$formatted = $miniFormatted;
-		}
-
-		if ($includeTags) {
-			$formatted =
-				Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
-		}
-
-		return $formatted;
-	}
-
-
-	/**
-	 * The getInheritedShares function.
-	 * returns all shares relative to a file, including parent folders shares rights.
-	 *
-	 * @NoAdminRequired
-	 *
-	 * @param string $path
-	 *
-	 * - Get shares by the current user
-	 * - Get shares by the current user and reshares (?reshares=true)
-	 * - Get shares with the current user (?shared_with_me=true)
-	 * - Get shares for a specific path (?path=...)
-	 * - Get all shares in a folder (?subfiles=true&path=..)
-	 *
-	 * @return DataResponse
-	 * @throws InvalidPathException
-	 * @throws NotFoundException
-	 * @throws OCSNotFoundException
-	 * @throws OCSBadRequestException
-	 * @throws SharingRightsException
-	 */
-	public function getInheritedShares(string $path): DataResponse {
-
-		// get Node from (string) path.
-		$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
-		try {
-			$node = $userFolder->get($path);
-			$this->lock($node);
-		} catch (\OCP\Files\NotFoundException $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
-		} catch (LockedException $e) {
-			throw new OCSNotFoundException($this->l->t('Could not lock path'));
-		}
-
-		if (!($node->getPermissions() & Constants::PERMISSION_SHARE)) {
-			throw new SharingRightsException('no sharing rights on this item');
-		}
-
-		// The current top parent we have access to
-		$parent = $node;
-
-		// initiate real owner.
-		$owner = $node->getOwner()
-					  ->getUID();
-		if (!$this->userManager->userExists($owner)) {
-			return new DataResponse([]);
-		}
-
-		// get node based on the owner, fix owner in case of external storage
-		$userFolder = $this->rootFolder->getUserFolder($owner);
-		if ($node->getId() !== $userFolder->getId() && !$userFolder->isSubNode($node)) {
-			$owner = $node->getOwner()
-						  ->getUID();
-			$userFolder = $this->rootFolder->getUserFolder($owner);
-			$nodes = $userFolder->getById($node->getId());
-			$node = array_shift($nodes);
-		}
-		$basePath = $userFolder->getPath();
-
-		// generate node list for each parent folders
-		/** @var Node[] $nodes */
-		$nodes = [];
-		while ($node->getPath() !== $basePath) {
-			$node = $node->getParent();
-			$nodes[] = $node;
-		}
-
-		// The user that is requesting this list
-		$currentUserFolder = $this->rootFolder->getUserFolder($this->currentUser);
-
-		// for each nodes, retrieve shares.
-		$shares = [];
-
-		foreach ($nodes as $node) {
-			$getShares = $this->getFormattedShares($owner, $node, false, true);
-
-			$currentUserNodes = $currentUserFolder->getById($node->getId());
-			if (!empty($currentUserNodes)) {
-				$parent = array_pop($currentUserNodes);
-			}
-
-			$subPath = $currentUserFolder->getRelativePath($parent->getPath());
-			foreach ($getShares as &$share) {
-				$share['via_fileid'] = $parent->getId();
-				$share['via_path'] = $subPath;
-			}
-			$this->mergeFormattedShares($shares, $getShares);
-		}
-
-		return new DataResponse(array_values($shares));
-	}
-
-
-	/**
-	 * @NoAdminRequired
-	 *
-	 * @param string $id
-	 * @param int $permissions
-	 * @param string $password
-	 * @param string $sendPasswordByTalk
-	 * @param string $publicUpload
-	 * @param string $expireDate
-	 * @param string $note
-	 * @param string $label
-	 * @param string $hideDownload
-	 * @return DataResponse
-	 * @throws LockedException
-	 * @throws NotFoundException
-	 * @throws OCSBadRequestException
-	 * @throws OCSForbiddenException
-	 * @throws OCSNotFoundException
-	 */
-	public function updateShare(
-		string $id,
-		int $permissions = null,
-		string $password = null,
-		string $sendPasswordByTalk = null,
-		string $publicUpload = null,
-		string $expireDate = null,
-		string $note = null,
-		string $label = null,
-		string $hideDownload = null
-	): DataResponse {
-		try {
-			$share = $this->getShareById($id);
-		} catch (ShareNotFound $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		$this->lock($share->getNode());
-
-		if (!$this->canAccessShare($share, false)) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		if (!$this->canEditShare($share)) {
-			throw new OCSForbiddenException('You are not allowed to edit incoming shares');
-		}
-
-		if (
-			$permissions === null &&
-			$password === null &&
-			$sendPasswordByTalk === null &&
-			$publicUpload === null &&
-			$expireDate === null &&
-			$note === null &&
-			$label === null &&
-			$hideDownload === null
-		) {
-			throw new OCSBadRequestException($this->l->t('Wrong or no update parameter given'));
-		}
-
-		if ($note !== null) {
-			$share->setNote($note);
-		}
-
-		/**
-		 * expirationdate, password and publicUpload only make sense for link shares
-		 */
-		if ($share->getShareType() === IShare::TYPE_LINK
-			|| $share->getShareType() === IShare::TYPE_EMAIL) {
-
-			/**
-			 * We do not allow editing link shares that the current user
-			 * doesn't own. This is confusing and lead to errors when
-			 * someone else edit a password or expiration date without
-			 * the share owner knowing about it.
-			 * We only allow deletion
-			 */
-
-			if ($share->getSharedBy() !== $this->currentUser) {
-				throw new OCSForbiddenException('You are not allowed to edit link shares that you don\'t own');
-			}
-
-			// Update hide download state
-			if ($hideDownload === 'true') {
-				$share->setHideDownload(true);
-			} elseif ($hideDownload === 'false') {
-				$share->setHideDownload(false);
-			}
-
-			$newPermissions = null;
-			if ($publicUpload === 'true') {
-				$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
-			} elseif ($publicUpload === 'false') {
-				$newPermissions = Constants::PERMISSION_READ;
-			}
-
-			if ($permissions !== null) {
-				$newPermissions = (int) $permissions;
-				$newPermissions = $newPermissions & ~Constants::PERMISSION_SHARE;
-			}
-
-			if ($newPermissions !== null &&
-				!in_array($newPermissions, [
-					Constants::PERMISSION_READ,
-					Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE, // legacy
-					Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE, // correct
-					Constants::PERMISSION_CREATE, // hidden file list
-					Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, // allow to edit single files
-				], true)
-			) {
-				throw new OCSBadRequestException($this->l->t('Can\'t change permissions for public share links'));
-			}
-
-			if (
-				// legacy
-				$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE) ||
-				// correct
-				$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE)
-			) {
-				if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
-					throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
-				}
-
-				if (!($share->getNode() instanceof \OCP\Files\Folder)) {
-					throw new OCSBadRequestException($this->l->t('Public upload is only possible for publicly shared folders'));
-				}
-
-				// normalize to correct public upload permissions
-				$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
-			}
-
-			if ($newPermissions !== null) {
-				// TODO: It might make sense to have a dedicated setting to allow/deny converting link shares into federated ones
-				if (($newPermissions & Constants::PERMISSION_READ) && $this->shareManager->outgoingServer2ServerSharesAllowed()) {
-					$newPermissions |= Constants::PERMISSION_SHARE;
-				}
-
-				$share->setPermissions($newPermissions);
-				$permissions = $newPermissions;
-			}
-
-			if ($expireDate === '') {
-				$share->setExpirationDate(null);
-			} elseif ($expireDate !== null) {
-				try {
-					$expireDate = $this->parseDate($expireDate);
-				} catch (\Exception $e) {
-					throw new OCSBadRequestException($e->getMessage(), $e);
-				}
-				$share->setExpirationDate($expireDate);
-			}
-
-			if ($password === '') {
-				$share->setPassword(null);
-			} elseif ($password !== null) {
-				$share->setPassword($password);
-			}
-
-			// only link shares have labels
-			if ($share->getShareType() === IShare::TYPE_LINK && $label !== null) {
-				if (strlen($label) > 255) {
-					throw new OCSBadRequestException("Maxmimum label length is 255");
-				}
-				$share->setLabel($label);
-			}
-
-			if ($sendPasswordByTalk === 'true') {
-				if (!$this->appManager->isEnabledForUser('spreed')) {
-					throw new OCSForbiddenException($this->l->t('Sharing sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled'));
-				}
-
-				$share->setSendPasswordByTalk(true);
-			} elseif ($sendPasswordByTalk !== null) {
-				$share->setSendPasswordByTalk(false);
-			}
-		}
-
-		// NOT A LINK SHARE
-		else {
-			if ($permissions !== null) {
-				$permissions = (int) $permissions;
-				$share->setPermissions($permissions);
-			}
-
-			if ($expireDate === '') {
-				$share->setExpirationDate(null);
-			} elseif ($expireDate !== null) {
-				try {
-					$expireDate = $this->parseDate($expireDate);
-				} catch (\Exception $e) {
-					throw new OCSBadRequestException($e->getMessage(), $e);
-				}
-				$share->setExpirationDate($expireDate);
-			}
-		}
-
-		try {
-			$share = $this->shareManager->updateShare($share);
-		} catch (GenericShareException $e) {
-			$code = $e->getCode() === 0 ? 403 : $e->getCode();
-			throw new OCSException($e->getHint(), $code);
-		} catch (\Exception $e) {
-			throw new OCSBadRequestException($e->getMessage(), $e);
-		}
-
-		return new DataResponse($this->formatShare($share));
-	}
-
-	/**
-	 * @NoAdminRequired
-	 */
-	public function pendingShares(): DataResponse {
-		$pendingShares = [];
-
-		$shareTypes = [
-			IShare::TYPE_USER,
-			IShare::TYPE_GROUP
-		];
-
-		foreach ($shareTypes as $shareType) {
-			$shares = $this->shareManager->getSharedWith($this->currentUser, $shareType, null, -1, 0);
-
-			foreach ($shares as $share) {
-				if ($share->getStatus() === IShare::STATUS_PENDING || $share->getStatus() === IShare::STATUS_REJECTED) {
-					$pendingShares[] = $share;
-				}
-			}
-		}
-
-		$result = array_filter(array_map(function (IShare $share) {
-			$userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
-			$nodes = $userFolder->getById($share->getNodeId());
-			if (empty($nodes)) {
-				// fallback to guessing the path
-				$node = $userFolder->get($share->getTarget());
-				if ($node === null || $share->getTarget() === '') {
-					return null;
-				}
-			} else {
-				$node = $nodes[0];
-			}
-
-			try {
-				$formattedShare = $this->formatShare($share, $node);
-				$formattedShare['status'] = $share->getStatus();
-				$formattedShare['path'] = $share->getNode()->getName();
-				$formattedShare['permissions'] = 0;
-				return $formattedShare;
-			} catch (NotFoundException $e) {
-				return null;
-			}
-		}, $pendingShares), function ($entry) {
-			return $entry !== null;
-		});
-
-		return new DataResponse($result);
-	}
-
-	/**
-	 * @NoAdminRequired
-	 *
-	 * @param string $id
-	 * @return DataResponse
-	 * @throws OCSNotFoundException
-	 * @throws OCSException
-	 * @throws OCSBadRequestException
-	 */
-	public function acceptShare(string $id): DataResponse {
-		try {
-			$share = $this->getShareById($id);
-		} catch (ShareNotFound $e) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		if (!$this->canAccessShare($share)) {
-			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
-		}
-
-		try {
-			$this->shareManager->acceptShare($share, $this->currentUser);
-		} catch (GenericShareException $e) {
-			$code = $e->getCode() === 0 ? 403 : $e->getCode();
-			throw new OCSException($e->getHint(), $code);
-		} catch (\Exception $e) {
-			throw new OCSBadRequestException($e->getMessage(), $e);
-		}
-
-		return new DataResponse();
-	}
-
-	/**
-	 * Does the user have read permission on the share
-	 *
-	 * @param \OCP\Share\IShare $share the share to check
-	 * @param boolean $checkGroups check groups as well?
-	 * @return boolean
-	 * @throws NotFoundException
-	 *
-	 * @suppress PhanUndeclaredClassMethod
-	 */
-	protected function canAccessShare(\OCP\Share\IShare $share, bool $checkGroups = true): bool {
-		// A file with permissions 0 can't be accessed by us. So Don't show it
-		if ($share->getPermissions() === 0) {
-			return false;
-		}
-
-		// Owner of the file and the sharer of the file can always get share
-		if ($share->getShareOwner() === $this->currentUser
-			|| $share->getSharedBy() === $this->currentUser) {
-			return true;
-		}
-
-		// If the share is shared with you, you can access it!
-		if ($share->getShareType() === IShare::TYPE_USER
-			&& $share->getSharedWith() === $this->currentUser) {
-			return true;
-		}
-
-		// Have reshare rights on the shared file/folder ?
-		// Does the currentUser have access to the shared file?
-		$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
-		$files = $userFolder->getById($share->getNodeId());
-		if (!empty($files) && $this->shareProviderResharingRights($this->currentUser, $share, $files[0])) {
-			return true;
-		}
-
-		// If in the recipient group, you can see the share
-		if ($checkGroups && $share->getShareType() === IShare::TYPE_GROUP) {
-			$sharedWith = $this->groupManager->get($share->getSharedWith());
-			$user = $this->userManager->get($this->currentUser);
-			if ($user !== null && $sharedWith !== null && $sharedWith->inGroup($user)) {
-				return true;
-			}
-		}
-
-		if ($share->getShareType() === IShare::TYPE_CIRCLE) {
-			// TODO: have a sanity check like above?
-			return true;
-		}
-
-		if ($share->getShareType() === IShare::TYPE_ROOM) {
-			try {
-				return $this->getRoomShareHelper()->canAccessShare($share, $this->currentUser);
-			} catch (QueryException $e) {
-				return false;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Does the user have edit permission on the share
-	 *
-	 * @param \OCP\Share\IShare $share the share to check
-	 * @return boolean
-	 */
-	protected function canEditShare(\OCP\Share\IShare $share): bool {
-		// A file with permissions 0 can't be accessed by us. So Don't show it
-		if ($share->getPermissions() === 0) {
-			return false;
-		}
-
-		// The owner of the file and the creator of the share
-		// can always edit the share
-		if ($share->getShareOwner() === $this->currentUser ||
-			$share->getSharedBy() === $this->currentUser
-		) {
-			return true;
-		}
-
-		//! we do NOT support some kind of `admin` in groups.
-		//! You cannot edit shares shared to a group you're
-		//! a member of if you're not the share owner or the file owner!
-
-		return false;
-	}
-
-	/**
-	 * Does the user have delete permission on the share
-	 *
-	 * @param \OCP\Share\IShare $share the share to check
-	 * @return boolean
-	 */
-	protected function canDeleteShare(\OCP\Share\IShare $share): bool {
-		// A file with permissions 0 can't be accessed by us. So Don't show it
-		if ($share->getPermissions() === 0) {
-			return false;
-		}
-
-		// if the user is the recipient, i can unshare
-		// the share with self
-		if ($share->getShareType() === IShare::TYPE_USER &&
-			$share->getSharedWith() === $this->currentUser
-		) {
-			return true;
-		}
-
-		// The owner of the file and the creator of the share
-		// can always delete the share
-		if ($share->getShareOwner() === $this->currentUser ||
-			$share->getSharedBy() === $this->currentUser
-		) {
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Does the user have delete permission on the share
-	 * This differs from the canDeleteShare function as it only
-	 * remove the share for the current user. It does NOT
-	 * completely delete the share but only the mount point.
-	 * It can then be restored from the deleted shares section.
-	 *
-	 * @param \OCP\Share\IShare $share the share to check
-	 * @return boolean
-	 *
-	 * @suppress PhanUndeclaredClassMethod
-	 */
-	protected function canDeleteShareFromSelf(\OCP\Share\IShare $share): bool {
-		if ($share->getShareType() !== IShare::TYPE_GROUP &&
-			$share->getShareType() !== IShare::TYPE_ROOM
-		) {
-			return false;
-		}
-
-		if ($share->getShareOwner() === $this->currentUser ||
-			$share->getSharedBy() === $this->currentUser
-		) {
-			// Delete the whole share, not just for self
-			return false;
-		}
-
-		// If in the recipient group, you can delete the share from self
-		if ($share->getShareType() === IShare::TYPE_GROUP) {
-			$sharedWith = $this->groupManager->get($share->getSharedWith());
-			$user = $this->userManager->get($this->currentUser);
-			if ($user !== null && $sharedWith !== null && $sharedWith->inGroup($user)) {
-				return true;
-			}
-		}
-
-		if ($share->getShareType() === IShare::TYPE_ROOM) {
-			try {
-				return $this->getRoomShareHelper()->canAccessShare($share, $this->currentUser);
-			} catch (QueryException $e) {
-				return false;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Make sure that the passed date is valid ISO 8601
-	 * So YYYY-MM-DD
-	 * If not throw an exception
-	 *
-	 * @param string $expireDate
-	 *
-	 * @throws \Exception
-	 * @return \DateTime
-	 */
-	private function parseDate(string $expireDate): \DateTime {
-		try {
-			$date = new \DateTime($expireDate);
-		} catch (\Exception $e) {
-			throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
-		}
-
-		if ($date === false) {
-			throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
-		}
-
-		$date->setTime(0, 0, 0);
-
-		return $date;
-	}
-
-	/**
-	 * Since we have multiple providers but the OCS Share API v1 does
-	 * not support this we need to check all backends.
-	 *
-	 * @param string $id
-	 * @return \OCP\Share\IShare
-	 * @throws ShareNotFound
-	 */
-	private function getShareById(string $id): IShare {
-		$share = null;
-
-		// First check if it is an internal share.
-		try {
-			$share = $this->shareManager->getShareById('ocinternal:' . $id, $this->currentUser);
-			return $share;
-		} catch (ShareNotFound $e) {
-			// Do nothing, just try the other share type
-		}
-
-
-		try {
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_CIRCLE)) {
-				$share = $this->shareManager->getShareById('ocCircleShare:' . $id, $this->currentUser);
-				return $share;
-			}
-		} catch (ShareNotFound $e) {
-			// Do nothing, just try the other share type
-		}
-
-		try {
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
-				$share = $this->shareManager->getShareById('ocMailShare:' . $id, $this->currentUser);
-				return $share;
-			}
-		} catch (ShareNotFound $e) {
-			// Do nothing, just try the other share type
-		}
-
-		try {
-			$share = $this->shareManager->getShareById('ocRoomShare:' . $id, $this->currentUser);
-			return $share;
-		} catch (ShareNotFound $e) {
-			// Do nothing, just try the other share type
-		}
-
-		if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
-			throw new ShareNotFound();
-		}
-		$share = $this->shareManager->getShareById('ocFederatedSharing:' . $id, $this->currentUser);
-
-		return $share;
-	}
-
-	/**
-	 * Lock a Node
-	 *
-	 * @param \OCP\Files\Node $node
-	 * @throws LockedException
-	 */
-	private function lock(\OCP\Files\Node $node) {
-		$node->lock(ILockingProvider::LOCK_SHARED);
-		$this->lockedNode = $node;
-	}
-
-	/**
-	 * Cleanup the remaining locks
-	 * @throws LockedException
-	 */
-	public function cleanup() {
-		if ($this->lockedNode !== null) {
-			$this->lockedNode->unlock(ILockingProvider::LOCK_SHARED);
-		}
-	}
-
-	/**
-	 * Returns the helper of ShareAPIController for room shares.
-	 *
-	 * If the Talk application is not enabled or the helper is not available
-	 * a QueryException is thrown instead.
-	 *
-	 * @return \OCA\Talk\Share\Helper\ShareAPIController
-	 * @throws QueryException
-	 */
-	private function getRoomShareHelper() {
-		if (!$this->appManager->isEnabledForUser('spreed')) {
-			throw new QueryException();
-		}
-
-		return $this->serverContainer->query('\OCA\Talk\Share\Helper\ShareAPIController');
-	}
-
-
-	/**
-	 * @param string $viewer
-	 * @param Node $node
-	 * @param bool $reShares
-	 *
-	 * @return IShare[]
-	 */
-	private function getSharesFromNode(string $viewer, $node, bool $reShares): array {
-		$providers = [
-			IShare::TYPE_USER,
-			IShare::TYPE_GROUP,
-			IShare::TYPE_LINK,
-			IShare::TYPE_EMAIL,
-			IShare::TYPE_EMAIL,
-			IShare::TYPE_CIRCLE,
-			IShare::TYPE_ROOM
-		];
-
-		// Should we assume that the (currentUser) viewer is the owner of the node !?
-		$shares = [];
-		foreach ($providers as $provider) {
-			if (!$this->shareManager->shareProviderExists($provider)) {
-				continue;
-			}
-
-			$providerShares =
-				$this->shareManager->getSharesBy($viewer, $provider, $node, $reShares, -1, 0);
-			$shares = array_merge($shares, $providerShares);
-		}
-
-		if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
-			$federatedShares = $this->shareManager->getSharesBy(
-				$this->currentUser, IShare::TYPE_REMOTE, $node, $reShares, -1, 0
-			);
-			$shares = array_merge($shares, $federatedShares);
-		}
-
-		if ($this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
-			$federatedShares = $this->shareManager->getSharesBy(
-				$this->currentUser, IShare::TYPE_REMOTE_GROUP, $node, $reShares, -1, 0
-			);
-			$shares = array_merge($shares, $federatedShares);
-		}
-
-		return $shares;
-	}
-
-
-	/**
-	 * @param Node $node
-	 *
-	 * @throws SharingRightsException
-	 */
-	private function confirmSharingRights(Node $node): void {
-		if (!$this->hasResharingRights($this->currentUser, $node)) {
-			throw new SharingRightsException('no sharing rights on this item');
-		}
-	}
-
-
-	/**
-	 * @param string $viewer
-	 * @param Node $node
-	 *
-	 * @return bool
-	 */
-	private function hasResharingRights($viewer, $node): bool {
-		if ($viewer === $node->getOwner()->getUID()) {
-			return true;
-		}
-
-		foreach ([$node, $node->getParent()] as $node) {
-			$shares = $this->getSharesFromNode($viewer, $node, true);
-			foreach ($shares as $share) {
-				try {
-					if ($this->shareProviderResharingRights($viewer, $share, $node)) {
-						return true;
-					}
-				} catch (InvalidPathException | NotFoundException $e) {
-				}
-			}
-		}
-
-		return false;
-	}
-
-
-	/**
-	 * Returns if we can find resharing rights in an IShare object for a specific user.
-	 *
-	 * @suppress PhanUndeclaredClassMethod
-	 *
-	 * @param string $userId
-	 * @param IShare $share
-	 * @param Node $node
-	 *
-	 * @return bool
-	 * @throws NotFoundException
-	 * @throws InvalidPathException
-	 */
-	private function shareProviderResharingRights(string $userId, IShare $share, $node): bool {
-		if ($share->getShareOwner() === $userId) {
-			return true;
-		}
-
-		// we check that current user have parent resharing rights on the current file
-		if ($node !== null && ($node->getPermissions() & Constants::PERMISSION_SHARE) !== 0) {
-			return true;
-		}
-
-		if ((\OCP\Constants::PERMISSION_SHARE & $share->getPermissions()) === 0) {
-			return false;
-		}
-
-		if ($share->getShareType() === IShare::TYPE_USER && $share->getSharedWith() === $userId) {
-			return true;
-		}
-
-		if ($share->getShareType() === IShare::TYPE_GROUP && $this->groupManager->isInGroup($userId, $share->getSharedWith())) {
-			return true;
-		}
-
-		if ($share->getShareType() === IShare::TYPE_CIRCLE && \OC::$server->getAppManager()->isEnabledForUser('circles')
-			&& class_exists('\OCA\Circles\Api\v1\Circles')) {
-			$hasCircleId = (substr($share->getSharedWith(), -1) === ']');
-			$shareWithStart = ($hasCircleId ? strrpos($share->getSharedWith(), '[') + 1 : 0);
-			$shareWithLength = ($hasCircleId ? -1 : strpos($share->getSharedWith(), ' '));
-			if (is_bool($shareWithLength)) {
-				$shareWithLength = -1;
-			}
-			$sharedWith = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
-			try {
-				$member = \OCA\Circles\Api\v1\Circles::getMember($sharedWith, $userId, 1);
-				if ($member->getLevel() >= 4) {
-					return true;
-				}
-				return false;
-			} catch (QueryException $e) {
-				return false;
-			}
-		}
-
-		return false;
-	}
-
-	/**
-	 * Get all the shares for the current user
-	 *
-	 * @param Node|null $path
-	 * @param boolean $reshares
-	 * @return IShare[]
-	 */
-	private function getAllShares(?Node $path = null, bool $reshares = false) {
-		// Get all shares
-		$userShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_USER, $path, $reshares, -1, 0);
-		$groupShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_GROUP, $path, $reshares, -1, 0);
-		$linkShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_LINK, $path, $reshares, -1, 0);
-
-		// EMAIL SHARES
-		$mailShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_EMAIL, $path, $reshares, -1, 0);
-
-		// CIRCLE SHARES
-		$circleShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_CIRCLE, $path, $reshares, -1, 0);
-
-		// TALK SHARES
-		$roomShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_ROOM, $path, $reshares, -1, 0);
-
-		// FEDERATION
-		if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
-			$federatedShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_REMOTE, $path, $reshares, -1, 0);
-		} else {
-			$federatedShares = [];
-		}
-		if ($this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
-			$federatedGroupShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_REMOTE_GROUP, $path, $reshares, -1, 0);
-		} else {
-			$federatedGroupShares = [];
-		}
-
-		return array_merge($userShares, $groupShares, $linkShares, $mailShares, $circleShares, $roomShares, $federatedShares, $federatedGroupShares);
-	}
-
-
-	/**
-	 * merging already formatted shares.
-	 * We'll make an associative array to easily detect duplicate Ids.
-	 * Keys _needs_ to be removed after all shares are retrieved and merged.
-	 *
-	 * @param array $shares
-	 * @param array $newShares
-	 */
-	private function mergeFormattedShares(array &$shares, array $newShares) {
-		foreach ($newShares as $newShare) {
-			if (!array_key_exists($newShare['id'], $shares)) {
-				$shares[$newShare['id']] = $newShare;
-			}
-		}
-	}
+                continue;
+            }
+
+            if (in_array($share->getId(), $known)
+                || ($share->getSharedWith() === $this->currentUser && $share->getShareType() === IShare::TYPE_USER)) {
+                continue;
+            }
+
+            $known[] = $share->getId();
+            try {
+                /** @var IShare $share */
+                $format = $this->formatShare($share, $node);
+                $formatted[] = $format;
+
+                // let's also build a list of shares created
+                // by the current user only, in case
+                // there is no resharing rights
+                if ($share->getSharedBy() === $this->currentUser) {
+                    $miniFormatted[] = $format;
+                }
+
+                // check if one of those share is shared with me
+                // and if I have resharing rights on it
+                if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $node)) {
+                    $resharingRight = true;
+                }
+            } catch (InvalidPathException | NotFoundException $e) {
+            }
+        }
+
+        if (!$resharingRight) {
+            $formatted = $miniFormatted;
+        }
+
+        if ($includeTags) {
+            $formatted =
+                Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
+        }
+
+        return $formatted;
+    }
+
+
+    /**
+     * The getInheritedShares function.
+     * returns all shares relative to a file, including parent folders shares rights.
+     *
+     * @NoAdminRequired
+     *
+     * @param string $path
+     *
+     * - Get shares by the current user
+     * - Get shares by the current user and reshares (?reshares=true)
+     * - Get shares with the current user (?shared_with_me=true)
+     * - Get shares for a specific path (?path=...)
+     * - Get all shares in a folder (?subfiles=true&path=..)
+     *
+     * @return DataResponse
+     * @throws InvalidPathException
+     * @throws NotFoundException
+     * @throws OCSNotFoundException
+     * @throws OCSBadRequestException
+     * @throws SharingRightsException
+     */
+    public function getInheritedShares(string $path): DataResponse {
+
+        // get Node from (string) path.
+        $userFolder = $this->rootFolder->getUserFolder($this->currentUser);
+        try {
+            $node = $userFolder->get($path);
+            $this->lock($node);
+        } catch (\OCP\Files\NotFoundException $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
+        } catch (LockedException $e) {
+            throw new OCSNotFoundException($this->l->t('Could not lock path'));
+        }
+
+        if (!($node->getPermissions() & Constants::PERMISSION_SHARE)) {
+            throw new SharingRightsException('no sharing rights on this item');
+        }
+
+        // The current top parent we have access to
+        $parent = $node;
+
+        // initiate real owner.
+        $owner = $node->getOwner()
+                        ->getUID();
+        if (!$this->userManager->userExists($owner)) {
+            return new DataResponse([]);
+        }
+
+        // get node based on the owner, fix owner in case of external storage
+        $userFolder = $this->rootFolder->getUserFolder($owner);
+        if ($node->getId() !== $userFolder->getId() && !$userFolder->isSubNode($node)) {
+            $owner = $node->getOwner()
+                            ->getUID();
+            $userFolder = $this->rootFolder->getUserFolder($owner);
+            $nodes = $userFolder->getById($node->getId());
+            $node = array_shift($nodes);
+        }
+        $basePath = $userFolder->getPath();
+
+        // generate node list for each parent folders
+        /** @var Node[] $nodes */
+        $nodes = [];
+        while ($node->getPath() !== $basePath) {
+            $node = $node->getParent();
+            $nodes[] = $node;
+        }
+
+        // The user that is requesting this list
+        $currentUserFolder = $this->rootFolder->getUserFolder($this->currentUser);
+
+        // for each nodes, retrieve shares.
+        $shares = [];
+
+        foreach ($nodes as $node) {
+            $getShares = $this->getFormattedShares($owner, $node, false, true);
+
+            $currentUserNodes = $currentUserFolder->getById($node->getId());
+            if (!empty($currentUserNodes)) {
+                $parent = array_pop($currentUserNodes);
+            }
+
+            $subPath = $currentUserFolder->getRelativePath($parent->getPath());
+            foreach ($getShares as &$share) {
+                $share['via_fileid'] = $parent->getId();
+                $share['via_path'] = $subPath;
+            }
+            $this->mergeFormattedShares($shares, $getShares);
+        }
+
+        return new DataResponse(array_values($shares));
+    }
+
+
+    /**
+     * @NoAdminRequired
+     *
+     * @param string $id
+     * @param int $permissions
+     * @param string $password
+     * @param string $sendPasswordByTalk
+     * @param string $publicUpload
+     * @param string $expireDate
+     * @param string $note
+     * @param string $label
+     * @param string $hideDownload
+     * @return DataResponse
+     * @throws LockedException
+     * @throws NotFoundException
+     * @throws OCSBadRequestException
+     * @throws OCSForbiddenException
+     * @throws OCSNotFoundException
+     */
+    public function updateShare(
+        string $id,
+        int $permissions = null,
+        string $password = null,
+        string $sendPasswordByTalk = null,
+        string $publicUpload = null,
+        string $expireDate = null,
+        string $note = null,
+        string $label = null,
+        string $hideDownload = null
+    ): DataResponse {
+        try {
+            $share = $this->getShareById($id);
+        } catch (ShareNotFound $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        $this->lock($share->getNode());
+
+        if (!$this->canAccessShare($share, false)) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        if (!$this->canEditShare($share)) {
+            throw new OCSForbiddenException('You are not allowed to edit incoming shares');
+        }
+
+        if (
+            $permissions === null &&
+            $password === null &&
+            $sendPasswordByTalk === null &&
+            $publicUpload === null &&
+            $expireDate === null &&
+            $note === null &&
+            $label === null &&
+            $hideDownload === null
+        ) {
+            throw new OCSBadRequestException($this->l->t('Wrong or no update parameter given'));
+        }
+
+        if ($note !== null) {
+            $share->setNote($note);
+        }
+
+        /**
+         * expirationdate, password and publicUpload only make sense for link shares
+         */
+        if ($share->getShareType() === IShare::TYPE_LINK
+            || $share->getShareType() === IShare::TYPE_EMAIL) {
+
+            /**
+             * We do not allow editing link shares that the current user
+             * doesn't own. This is confusing and lead to errors when
+             * someone else edit a password or expiration date without
+             * the share owner knowing about it.
+             * We only allow deletion
+             */
+
+            if ($share->getSharedBy() !== $this->currentUser) {
+                throw new OCSForbiddenException('You are not allowed to edit link shares that you don\'t own');
+            }
+
+            // Update hide download state
+            if ($hideDownload === 'true') {
+                $share->setHideDownload(true);
+            } elseif ($hideDownload === 'false') {
+                $share->setHideDownload(false);
+            }
+
+            $newPermissions = null;
+            if ($publicUpload === 'true') {
+                $newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
+            } elseif ($publicUpload === 'false') {
+                $newPermissions = Constants::PERMISSION_READ;
+            }
+
+            if ($permissions !== null) {
+                $newPermissions = (int) $permissions;
+                $newPermissions = $newPermissions & ~Constants::PERMISSION_SHARE;
+            }
+
+            if ($newPermissions !== null &&
+                !in_array($newPermissions, [
+                    Constants::PERMISSION_READ,
+                    Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE, // legacy
+                    Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE, // correct
+                    Constants::PERMISSION_CREATE, // hidden file list
+                    Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, // allow to edit single files
+                ], true)
+            ) {
+                throw new OCSBadRequestException($this->l->t('Can\'t change permissions for public share links'));
+            }
+
+            if (
+                // legacy
+                $newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE) ||
+                // correct
+                $newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE)
+            ) {
+                if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
+                    throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
+                }
+
+                if (!($share->getNode() instanceof \OCP\Files\Folder)) {
+                    throw new OCSBadRequestException($this->l->t('Public upload is only possible for publicly shared folders'));
+                }
+
+                // normalize to correct public upload permissions
+                $newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
+            }
+
+            if ($newPermissions !== null) {
+                // TODO: It might make sense to have a dedicated setting to allow/deny converting link shares into federated ones
+                if (($newPermissions & Constants::PERMISSION_READ) && $this->shareManager->outgoingServer2ServerSharesAllowed()) {
+                    $newPermissions |= Constants::PERMISSION_SHARE;
+                }
+
+                $share->setPermissions($newPermissions);
+                $permissions = $newPermissions;
+            }
+
+            if ($expireDate === '') {
+                $share->setExpirationDate(null);
+            } elseif ($expireDate !== null) {
+                try {
+                    $expireDate = $this->parseDate($expireDate);
+                } catch (\Exception $e) {
+                    throw new OCSBadRequestException($e->getMessage(), $e);
+                }
+                $share->setExpirationDate($expireDate);
+            }
+
+            if ($password === '') {
+                $share->setPassword(null);
+            } elseif ($password !== null) {
+                $share->setPassword($password);
+            }
+
+            // only link shares have labels
+            if ($share->getShareType() === IShare::TYPE_LINK && $label !== null) {
+                if (strlen($label) > 255) {
+                    throw new OCSBadRequestException("Maxmimum label length is 255");
+                }
+                $share->setLabel($label);
+            }
+
+            if ($sendPasswordByTalk === 'true') {
+                if (!$this->appManager->isEnabledForUser('spreed')) {
+                    throw new OCSForbiddenException($this->l->t('Sharing sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled'));
+                }
+
+                $share->setSendPasswordByTalk(true);
+            } elseif ($sendPasswordByTalk !== null) {
+                $share->setSendPasswordByTalk(false);
+            }
+        }
+
+        // NOT A LINK SHARE
+        else {
+            if ($permissions !== null) {
+                $permissions = (int) $permissions;
+                $share->setPermissions($permissions);
+            }
+
+            if ($expireDate === '') {
+                $share->setExpirationDate(null);
+            } elseif ($expireDate !== null) {
+                try {
+                    $expireDate = $this->parseDate($expireDate);
+                } catch (\Exception $e) {
+                    throw new OCSBadRequestException($e->getMessage(), $e);
+                }
+                $share->setExpirationDate($expireDate);
+            }
+        }
+
+        try {
+            $share = $this->shareManager->updateShare($share);
+        } catch (GenericShareException $e) {
+            $code = $e->getCode() === 0 ? 403 : $e->getCode();
+            throw new OCSException($e->getHint(), $code);
+        } catch (\Exception $e) {
+            throw new OCSBadRequestException($e->getMessage(), $e);
+        }
+
+        return new DataResponse($this->formatShare($share));
+    }
+
+    /**
+     * @NoAdminRequired
+     */
+    public function pendingShares(): DataResponse {
+        $pendingShares = [];
+
+        $shareTypes = [
+            IShare::TYPE_USER,
+            IShare::TYPE_GROUP
+        ];
+
+        foreach ($shareTypes as $shareType) {
+            $shares = $this->shareManager->getSharedWith($this->currentUser, $shareType, null, -1, 0);
+
+            foreach ($shares as $share) {
+                if ($share->getStatus() === IShare::STATUS_PENDING || $share->getStatus() === IShare::STATUS_REJECTED) {
+                    $pendingShares[] = $share;
+                }
+            }
+        }
+
+        $result = array_filter(array_map(function (IShare $share) {
+            $userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
+            $nodes = $userFolder->getById($share->getNodeId());
+            if (empty($nodes)) {
+                // fallback to guessing the path
+                $node = $userFolder->get($share->getTarget());
+                if ($node === null || $share->getTarget() === '') {
+                    return null;
+                }
+            } else {
+                $node = $nodes[0];
+            }
+
+            try {
+                $formattedShare = $this->formatShare($share, $node);
+                $formattedShare['status'] = $share->getStatus();
+                $formattedShare['path'] = $share->getNode()->getName();
+                $formattedShare['permissions'] = 0;
+                return $formattedShare;
+            } catch (NotFoundException $e) {
+                return null;
+            }
+        }, $pendingShares), function ($entry) {
+            return $entry !== null;
+        });
+
+        return new DataResponse($result);
+    }
+
+    /**
+     * @NoAdminRequired
+     *
+     * @param string $id
+     * @return DataResponse
+     * @throws OCSNotFoundException
+     * @throws OCSException
+     * @throws OCSBadRequestException
+     */
+    public function acceptShare(string $id): DataResponse {
+        try {
+            $share = $this->getShareById($id);
+        } catch (ShareNotFound $e) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        if (!$this->canAccessShare($share)) {
+            throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
+        }
+
+        try {
+            $this->shareManager->acceptShare($share, $this->currentUser);
+        } catch (GenericShareException $e) {
+            $code = $e->getCode() === 0 ? 403 : $e->getCode();
+            throw new OCSException($e->getHint(), $code);
+        } catch (\Exception $e) {
+            throw new OCSBadRequestException($e->getMessage(), $e);
+        }
+
+        return new DataResponse();
+    }
+
+    /**
+     * Does the user have read permission on the share
+     *
+     * @param \OCP\Share\IShare $share the share to check
+     * @param boolean $checkGroups check groups as well?
+     * @return boolean
+     * @throws NotFoundException
+     *
+     * @suppress PhanUndeclaredClassMethod
+     */
+    protected function canAccessShare(\OCP\Share\IShare $share, bool $checkGroups = true): bool {
+        // A file with permissions 0 can't be accessed by us. So Don't show it
+        if ($share->getPermissions() === 0) {
+            return false;
+        }
+
+        // Owner of the file and the sharer of the file can always get share
+        if ($share->getShareOwner() === $this->currentUser
+            || $share->getSharedBy() === $this->currentUser) {
+            return true;
+        }
+
+        // If the share is shared with you, you can access it!
+        if ($share->getShareType() === IShare::TYPE_USER
+            && $share->getSharedWith() === $this->currentUser) {
+            return true;
+        }
+
+        // Have reshare rights on the shared file/folder ?
+        // Does the currentUser have access to the shared file?
+        $userFolder = $this->rootFolder->getUserFolder($this->currentUser);
+        $files = $userFolder->getById($share->getNodeId());
+        if (!empty($files) && $this->shareProviderResharingRights($this->currentUser, $share, $files[0])) {
+            return true;
+        }
+
+        // If in the recipient group, you can see the share
+        if ($checkGroups && $share->getShareType() === IShare::TYPE_GROUP) {
+            $sharedWith = $this->groupManager->get($share->getSharedWith());
+            $user = $this->userManager->get($this->currentUser);
+            if ($user !== null && $sharedWith !== null && $sharedWith->inGroup($user)) {
+                return true;
+            }
+        }
+
+        if ($share->getShareType() === IShare::TYPE_CIRCLE) {
+            // TODO: have a sanity check like above?
+            return true;
+        }
+
+        if ($share->getShareType() === IShare::TYPE_ROOM) {
+            try {
+                return $this->getRoomShareHelper()->canAccessShare($share, $this->currentUser);
+            } catch (QueryException $e) {
+                return false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Does the user have edit permission on the share
+     *
+     * @param \OCP\Share\IShare $share the share to check
+     * @return boolean
+     */
+    protected function canEditShare(\OCP\Share\IShare $share): bool {
+        // A file with permissions 0 can't be accessed by us. So Don't show it
+        if ($share->getPermissions() === 0) {
+            return false;
+        }
+
+        // The owner of the file and the creator of the share
+        // can always edit the share
+        if ($share->getShareOwner() === $this->currentUser ||
+            $share->getSharedBy() === $this->currentUser
+        ) {
+            return true;
+        }
+
+        //! we do NOT support some kind of `admin` in groups.
+        //! You cannot edit shares shared to a group you're
+        //! a member of if you're not the share owner or the file owner!
+
+        return false;
+    }
+
+    /**
+     * Does the user have delete permission on the share
+     *
+     * @param \OCP\Share\IShare $share the share to check
+     * @return boolean
+     */
+    protected function canDeleteShare(\OCP\Share\IShare $share): bool {
+        // A file with permissions 0 can't be accessed by us. So Don't show it
+        if ($share->getPermissions() === 0) {
+            return false;
+        }
+
+        // if the user is the recipient, i can unshare
+        // the share with self
+        if ($share->getShareType() === IShare::TYPE_USER &&
+            $share->getSharedWith() === $this->currentUser
+        ) {
+            return true;
+        }
+
+        // The owner of the file and the creator of the share
+        // can always delete the share
+        if ($share->getShareOwner() === $this->currentUser ||
+            $share->getSharedBy() === $this->currentUser
+        ) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Does the user have delete permission on the share
+     * This differs from the canDeleteShare function as it only
+     * remove the share for the current user. It does NOT
+     * completely delete the share but only the mount point.
+     * It can then be restored from the deleted shares section.
+     *
+     * @param \OCP\Share\IShare $share the share to check
+     * @return boolean
+     *
+     * @suppress PhanUndeclaredClassMethod
+     */
+    protected function canDeleteShareFromSelf(\OCP\Share\IShare $share): bool {
+        if ($share->getShareType() !== IShare::TYPE_GROUP &&
+            $share->getShareType() !== IShare::TYPE_ROOM
+        ) {
+            return false;
+        }
+
+        if ($share->getShareOwner() === $this->currentUser ||
+            $share->getSharedBy() === $this->currentUser
+        ) {
+            // Delete the whole share, not just for self
+            return false;
+        }
+
+        // If in the recipient group, you can delete the share from self
+        if ($share->getShareType() === IShare::TYPE_GROUP) {
+            $sharedWith = $this->groupManager->get($share->getSharedWith());
+            $user = $this->userManager->get($this->currentUser);
+            if ($user !== null && $sharedWith !== null && $sharedWith->inGroup($user)) {
+                return true;
+            }
+        }
+
+        if ($share->getShareType() === IShare::TYPE_ROOM) {
+            try {
+                return $this->getRoomShareHelper()->canAccessShare($share, $this->currentUser);
+            } catch (QueryException $e) {
+                return false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Make sure that the passed date is valid ISO 8601
+     * So YYYY-MM-DD
+     * If not throw an exception
+     *
+     * @param string $expireDate
+     *
+     * @throws \Exception
+     * @return \DateTime
+     */
+    private function parseDate(string $expireDate): \DateTime {
+        try {
+            $date = new \DateTime($expireDate);
+        } catch (\Exception $e) {
+            throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
+        }
+
+        if ($date === false) {
+            throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
+        }
+
+        $date->setTime(0, 0, 0);
+
+        return $date;
+    }
+
+    /**
+     * Since we have multiple providers but the OCS Share API v1 does
+     * not support this we need to check all backends.
+     *
+     * @param string $id
+     * @return \OCP\Share\IShare
+     * @throws ShareNotFound
+     */
+    private function getShareById(string $id): IShare {
+        $share = null;
+
+        // First check if it is an internal share.
+        try {
+            $share = $this->shareManager->getShareById('ocinternal:' . $id, $this->currentUser);
+            return $share;
+        } catch (ShareNotFound $e) {
+            // Do nothing, just try the other share type
+        }
+
+
+        try {
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_CIRCLE)) {
+                $share = $this->shareManager->getShareById('ocCircleShare:' . $id, $this->currentUser);
+                return $share;
+            }
+        } catch (ShareNotFound $e) {
+            // Do nothing, just try the other share type
+        }
+
+        try {
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
+                $share = $this->shareManager->getShareById('ocMailShare:' . $id, $this->currentUser);
+                return $share;
+            }
+        } catch (ShareNotFound $e) {
+            // Do nothing, just try the other share type
+        }
+
+        try {
+            $share = $this->shareManager->getShareById('ocRoomShare:' . $id, $this->currentUser);
+            return $share;
+        } catch (ShareNotFound $e) {
+            // Do nothing, just try the other share type
+        }
+
+        if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
+            throw new ShareNotFound();
+        }
+        $share = $this->shareManager->getShareById('ocFederatedSharing:' . $id, $this->currentUser);
+
+        return $share;
+    }
+
+    /**
+     * Lock a Node
+     *
+     * @param \OCP\Files\Node $node
+     * @throws LockedException
+     */
+    private function lock(\OCP\Files\Node $node) {
+        $node->lock(ILockingProvider::LOCK_SHARED);
+        $this->lockedNode = $node;
+    }
+
+    /**
+     * Cleanup the remaining locks
+     * @throws LockedException
+     */
+    public function cleanup() {
+        if ($this->lockedNode !== null) {
+            $this->lockedNode->unlock(ILockingProvider::LOCK_SHARED);
+        }
+    }
+
+    /**
+     * Returns the helper of ShareAPIController for room shares.
+     *
+     * If the Talk application is not enabled or the helper is not available
+     * a QueryException is thrown instead.
+     *
+     * @return \OCA\Talk\Share\Helper\ShareAPIController
+     * @throws QueryException
+     */
+    private function getRoomShareHelper() {
+        if (!$this->appManager->isEnabledForUser('spreed')) {
+            throw new QueryException();
+        }
+
+        return $this->serverContainer->query('\OCA\Talk\Share\Helper\ShareAPIController');
+    }
+
+
+    /**
+     * @param string $viewer
+     * @param Node $node
+     * @param bool $reShares
+     *
+     * @return IShare[]
+     */
+    private function getSharesFromNode(string $viewer, $node, bool $reShares): array {
+        $providers = [
+            IShare::TYPE_USER,
+            IShare::TYPE_GROUP,
+            IShare::TYPE_LINK,
+            IShare::TYPE_EMAIL,
+            IShare::TYPE_EMAIL,
+            IShare::TYPE_CIRCLE,
+            IShare::TYPE_ROOM
+        ];
+
+        // Should we assume that the (currentUser) viewer is the owner of the node !?
+        $shares = [];
+        foreach ($providers as $provider) {
+            if (!$this->shareManager->shareProviderExists($provider)) {
+                continue;
+            }
+
+            $providerShares =
+                $this->shareManager->getSharesBy($viewer, $provider, $node, $reShares, -1, 0);
+            $shares = array_merge($shares, $providerShares);
+        }
+
+        if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
+            $federatedShares = $this->shareManager->getSharesBy(
+                $this->currentUser, IShare::TYPE_REMOTE, $node, $reShares, -1, 0
+            );
+            $shares = array_merge($shares, $federatedShares);
+        }
+
+        if ($this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
+            $federatedShares = $this->shareManager->getSharesBy(
+                $this->currentUser, IShare::TYPE_REMOTE_GROUP, $node, $reShares, -1, 0
+            );
+            $shares = array_merge($shares, $federatedShares);
+        }
+
+        return $shares;
+    }
+
+
+    /**
+     * @param Node $node
+     *
+     * @throws SharingRightsException
+     */
+    private function confirmSharingRights(Node $node): void {
+        if (!$this->hasResharingRights($this->currentUser, $node)) {
+            throw new SharingRightsException('no sharing rights on this item');
+        }
+    }
+
+
+    /**
+     * @param string $viewer
+     * @param Node $node
+     *
+     * @return bool
+     */
+    private function hasResharingRights($viewer, $node): bool {
+        if ($viewer === $node->getOwner()->getUID()) {
+            return true;
+        }
+
+        foreach ([$node, $node->getParent()] as $node) {
+            $shares = $this->getSharesFromNode($viewer, $node, true);
+            foreach ($shares as $share) {
+                try {
+                    if ($this->shareProviderResharingRights($viewer, $share, $node)) {
+                        return true;
+                    }
+                } catch (InvalidPathException | NotFoundException $e) {
+                }
+            }
+        }
+
+        return false;
+    }
+
+
+    /**
+     * Returns if we can find resharing rights in an IShare object for a specific user.
+     *
+     * @suppress PhanUndeclaredClassMethod
+     *
+     * @param string $userId
+     * @param IShare $share
+     * @param Node $node
+     *
+     * @return bool
+     * @throws NotFoundException
+     * @throws InvalidPathException
+     */
+    private function shareProviderResharingRights(string $userId, IShare $share, $node): bool {
+        if ($share->getShareOwner() === $userId) {
+            return true;
+        }
+
+        // we check that current user have parent resharing rights on the current file
+        if ($node !== null && ($node->getPermissions() & Constants::PERMISSION_SHARE) !== 0) {
+            return true;
+        }
+
+        if ((\OCP\Constants::PERMISSION_SHARE & $share->getPermissions()) === 0) {
+            return false;
+        }
+
+        if ($share->getShareType() === IShare::TYPE_USER && $share->getSharedWith() === $userId) {
+            return true;
+        }
+
+        if ($share->getShareType() === IShare::TYPE_GROUP && $this->groupManager->isInGroup($userId, $share->getSharedWith())) {
+            return true;
+        }
+
+        if ($share->getShareType() === IShare::TYPE_CIRCLE && \OC::$server->getAppManager()->isEnabledForUser('circles')
+            && class_exists('\OCA\Circles\Api\v1\Circles')) {
+            $hasCircleId = (substr($share->getSharedWith(), -1) === ']');
+            $shareWithStart = ($hasCircleId ? strrpos($share->getSharedWith(), '[') + 1 : 0);
+            $shareWithLength = ($hasCircleId ? -1 : strpos($share->getSharedWith(), ' '));
+            if (is_bool($shareWithLength)) {
+                $shareWithLength = -1;
+            }
+            $sharedWith = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
+            try {
+                $member = \OCA\Circles\Api\v1\Circles::getMember($sharedWith, $userId, 1);
+                if ($member->getLevel() >= 4) {
+                    return true;
+                }
+                return false;
+            } catch (QueryException $e) {
+                return false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Get all the shares for the current user
+     *
+     * @param Node|null $path
+     * @param boolean $reshares
+     * @return IShare[]
+     */
+    private function getAllShares(?Node $path = null, bool $reshares = false) {
+        // Get all shares
+        $userShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_USER, $path, $reshares, -1, 0);
+        $groupShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_GROUP, $path, $reshares, -1, 0);
+        $linkShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_LINK, $path, $reshares, -1, 0);
+
+        // EMAIL SHARES
+        $mailShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_EMAIL, $path, $reshares, -1, 0);
+
+        // CIRCLE SHARES
+        $circleShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_CIRCLE, $path, $reshares, -1, 0);
+
+        // TALK SHARES
+        $roomShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_ROOM, $path, $reshares, -1, 0);
+
+        // FEDERATION
+        if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
+            $federatedShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_REMOTE, $path, $reshares, -1, 0);
+        } else {
+            $federatedShares = [];
+        }
+        if ($this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
+            $federatedGroupShares = $this->shareManager->getSharesBy($this->currentUser, IShare::TYPE_REMOTE_GROUP, $path, $reshares, -1, 0);
+        } else {
+            $federatedGroupShares = [];
+        }
+
+        return array_merge($userShares, $groupShares, $linkShares, $mailShares, $circleShares, $roomShares, $federatedShares, $federatedGroupShares);
+    }
+
+
+    /**
+     * merging already formatted shares.
+     * We'll make an associative array to easily detect duplicate Ids.
+     * Keys _needs_ to be removed after all shares are retrieved and merged.
+     *
+     * @param array $shares
+     * @param array $newShares
+     */
+    private function mergeFormattedShares(array &$shares, array $newShares) {
+        foreach ($newShares as $newShare) {
+            if (!array_key_exists($newShare['id'], $shares)) {
+                $shares[$newShare['id']] = $newShare;
+            }
+        }
+    }
 }

apps/files_sharing/lib/Controller/ShareesAPIController.php

Indentation +369 added lines, -369 removed lines

@@ -54,373 +54,373 @@
 
 class ShareesAPIController extends OCSController {
 
-	/** @var string */
-	protected $userId;
-
-	/** @var IConfig */
-	protected $config;
-
-	/** @var IURLGenerator */
-	protected $urlGenerator;
-
-	/** @var IManager */
-	protected $shareManager;
-
-	/** @var int */
-	protected $offset = 0;
-
-	/** @var int */
-	protected $limit = 10;
-
-	/** @var array */
-	protected $result = [
-		'exact' => [
-			'users' => [],
-			'groups' => [],
-			'remotes' => [],
-			'remote_groups' => [],
-			'emails' => [],
-			'circles' => [],
-			'rooms' => [],
-		],
-		'users' => [],
-		'groups' => [],
-		'remotes' => [],
-		'remote_groups' => [],
-		'emails' => [],
-		'lookup' => [],
-		'circles' => [],
-		'rooms' => [],
-		'lookupEnabled' => false,
-	];
-
-	protected $reachedEndFor = [];
-	/** @var ISearch */
-	private $collaboratorSearch;
-
-	/**
-	 * @param string $UserId
-	 * @param string $appName
-	 * @param IRequest $request
-	 * @param IConfig $config
-	 * @param IURLGenerator $urlGenerator
-	 * @param IManager $shareManager
-	 * @param ISearch $collaboratorSearch
-	 */
-	public function __construct(
-		$UserId,
-		string $appName,
-		IRequest $request,
-		IConfig $config,
-		IURLGenerator $urlGenerator,
-		IManager $shareManager,
-		ISearch $collaboratorSearch
-	) {
-		parent::__construct($appName, $request);
-		$this->userId = $UserId;
-		$this->config = $config;
-		$this->urlGenerator = $urlGenerator;
-		$this->shareManager = $shareManager;
-		$this->collaboratorSearch = $collaboratorSearch;
-	}
-
-	/**
-	 * @NoAdminRequired
-	 *
-	 * @param string $search
-	 * @param string $itemType
-	 * @param int $page
-	 * @param int $perPage
-	 * @param int|int[] $shareType
-	 * @param bool $lookup
-	 * @return DataResponse
-	 * @throws OCSBadRequestException
-	 */
-	public function search(string $search = '', string $itemType = null, int $page = 1, int $perPage = 200, $shareType = null, bool $lookup = true): DataResponse {
-
-		// only search for string larger than a given threshold
-		$threshold = (int)$this->config->getSystemValue('sharing.minSearchStringLength', 0);
-		if (strlen($search) < $threshold) {
-			return new DataResponse($this->result);
-		}
-
-		// never return more than the max. number of results configured in the config.php
-		$maxResults = (int)$this->config->getSystemValue('sharing.maxAutocompleteResults', 0);
-		if ($maxResults > 0) {
-			$perPage = min($perPage, $maxResults);
-		}
-		if ($perPage <= 0) {
-			throw new OCSBadRequestException('Invalid perPage argument');
-		}
-		if ($page <= 0) {
-			throw new OCSBadRequestException('Invalid page');
-		}
-
-		$shareTypes = [
-			IShare::TYPE_USER,
-		];
-
-		if ($itemType === null) {
-			throw new OCSBadRequestException('Missing itemType');
-		} elseif ($itemType === 'file' || $itemType === 'folder') {
-			if ($this->shareManager->allowGroupSharing()) {
-				$shareTypes[] = IShare::TYPE_GROUP;
-			}
-
-			if ($this->isRemoteSharingAllowed($itemType)) {
-				$shareTypes[] = IShare::TYPE_REMOTE;
-			}
-
-			if ($this->isRemoteGroupSharingAllowed($itemType)) {
-				$shareTypes[] = IShare::TYPE_REMOTE_GROUP;
-			}
-
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
-				$shareTypes[] = IShare::TYPE_EMAIL;
-			}
-
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_ROOM)) {
-				$shareTypes[] = IShare::TYPE_ROOM;
-			}
-		} else {
-			$shareTypes[] = IShare::TYPE_GROUP;
-			$shareTypes[] = IShare::TYPE_EMAIL;
-		}
-
-		// FIXME: DI
-		if (\OC::$server->getAppManager()->isEnabledForUser('circles') && class_exists('\OCA\Circles\ShareByCircleProvider')) {
-			$shareTypes[] = IShare::TYPE_CIRCLE;
-		}
-
-		if ($shareType !== null && is_array($shareType)) {
-			$shareTypes = array_intersect($shareTypes, $shareType);
-		} elseif (is_numeric($shareType)) {
-			$shareTypes = array_intersect($shareTypes, [(int) $shareType]);
-		}
-		sort($shareTypes);
-
-		$this->limit = (int) $perPage;
-		$this->offset = $perPage * ($page - 1);
-
-		// In global scale mode we always search the loogup server
-		if ($this->config->getSystemValueBool('gs.enabled', false)) {
-			$lookup = true;
-			$this->result['lookupEnabled'] = true;
-		} else {
-			$this->result['lookupEnabled'] = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'yes') === 'yes';
-		}
-
-		list($result, $hasMoreResults) = $this->collaboratorSearch->search($search, $shareTypes, $lookup, $this->limit, $this->offset);
-
-		// extra treatment for 'exact' subarray, with a single merge expected keys might be lost
-		if (isset($result['exact'])) {
-			$result['exact'] = array_merge($this->result['exact'], $result['exact']);
-		}
-		$this->result = array_merge($this->result, $result);
-		$response = new DataResponse($this->result);
-
-		if ($hasMoreResults) {
-			$response->addHeader('Link', $this->getPaginationLink($page, [
-				'search' => $search,
-				'itemType' => $itemType,
-				'shareType' => $shareTypes,
-				'perPage' => $perPage,
-			]));
-		}
-
-		return $response;
-	}
-
-	/**
-	 * @param string $user
-	 * @param int $shareType
-	 *
-	 * @return Generator<array<string>>
-	 */
-	private function getAllShareesByType(string $user, int $shareType): Generator {
-		$offset = 0;
-		$pageSize = 50;
-
-		while (count($page = $this->shareManager->getSharesBy(
-			$user,
-			$shareType,
-			null,
-			false,
-			$pageSize,
-			$offset
-		))) {
-			foreach ($page as $share) {
-				yield [$share->getSharedWith(), $share->getSharedWithDisplayName() ?? $share->getSharedWith()];
-			}
-
-			$offset += $pageSize;
-		}
-	}
-
-	private function sortShareesByFrequency(array $sharees): array {
-		usort($sharees, function (array $s1, array $s2) {
-			return $s2['count'] - $s1['count'];
-		});
-		return $sharees;
-	}
-
-	private $searchResultTypeMap = [
-		IShare::TYPE_USER => 'users',
-		IShare::TYPE_GROUP => 'groups',
-		IShare::TYPE_REMOTE => 'remotes',
-		IShare::TYPE_REMOTE_GROUP => 'remote_groups',
-		IShare::TYPE_EMAIL => 'emails',
-	];
-
-	private function getAllSharees(string $user, array $shareTypes): ISearchResult {
-		$result = [];
-		foreach ($shareTypes as $shareType) {
-			$sharees = $this->getAllShareesByType($user, $shareType);
-			$shareTypeResults = [];
-			foreach ($sharees as list($sharee, $displayname)) {
-				if (!isset($this->searchResultTypeMap[$shareType])) {
-					continue;
-				}
-
-				if (!isset($shareTypeResults[$sharee])) {
-					$shareTypeResults[$sharee] = [
-						'count' => 1,
-						'label' => $displayname,
-						'value' => [
-							'shareType' => $shareType,
-							'shareWith' => $sharee,
-						],
-					];
-				} else {
-					$shareTypeResults[$sharee]['count']++;
-				}
-			}
-			$result = array_merge($result, array_values($shareTypeResults));
-		}
-
-		$top5 = array_slice(
-			$this->sortShareesByFrequency($result),
-			0,
-			5
-		);
-
-		$searchResult = new SearchResult();
-		foreach ($this->searchResultTypeMap as $int => $str) {
-			$searchResult->addResultSet(new SearchResultType($str), [], []);
-			foreach ($top5 as $x) {
-				if ($x['value']['shareType'] === $int) {
-					$searchResult->addResultSet(new SearchResultType($str), [], [$x]);
-				}
-			}
-		}
-		return $searchResult;
-	}
-
-	/**
-	 * @NoAdminRequired
-	 *
-	 * @param string $itemType
-	 * @return DataResponse
-	 * @throws OCSBadRequestException
-	 */
-	public function findRecommended(string $itemType = null, $shareType = null): DataResponse {
-		$shareTypes = [
-			IShare::TYPE_USER,
-		];
-
-		if ($itemType === null) {
-			throw new OCSBadRequestException('Missing itemType');
-		} elseif ($itemType === 'file' || $itemType === 'folder') {
-			if ($this->shareManager->allowGroupSharing()) {
-				$shareTypes[] = IShare::TYPE_GROUP;
-			}
-
-			if ($this->isRemoteSharingAllowed($itemType)) {
-				$shareTypes[] = IShare::TYPE_REMOTE;
-			}
-
-			if ($this->isRemoteGroupSharingAllowed($itemType)) {
-				$shareTypes[] = IShare::TYPE_REMOTE_GROUP;
-			}
-
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
-				$shareTypes[] = IShare::TYPE_EMAIL;
-			}
-
-			if ($this->shareManager->shareProviderExists(IShare::TYPE_ROOM)) {
-				$shareTypes[] = IShare::TYPE_ROOM;
-			}
-		} else {
-			$shareTypes[] = IShare::TYPE_GROUP;
-			$shareTypes[] = IShare::TYPE_EMAIL;
-		}
-
-		// FIXME: DI
-		if (\OC::$server->getAppManager()->isEnabledForUser('circles') && class_exists('\OCA\Circles\ShareByCircleProvider')) {
-			$shareTypes[] = IShare::TYPE_CIRCLE;
-		}
-
-		if (isset($_GET['shareType']) && is_array($_GET['shareType'])) {
-			$shareTypes = array_intersect($shareTypes, $_GET['shareType']);
-			sort($shareTypes);
-		} elseif (is_numeric($shareType)) {
-			$shareTypes = array_intersect($shareTypes, [(int) $shareType]);
-			sort($shareTypes);
-		}
-
-		return new DataResponse(
-			$this->getAllSharees($this->userId, $shareTypes)->asArray()
-		);
-	}
-
-	/**
-	 * Method to get out the static call for better testing
-	 *
-	 * @param string $itemType
-	 * @return bool
-	 */
-	protected function isRemoteSharingAllowed(string $itemType): bool {
-		try {
-			// FIXME: static foo makes unit testing unnecessarily difficult
-			$backend = \OC\Share\Share::getBackend($itemType);
-			return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	protected function isRemoteGroupSharingAllowed(string $itemType): bool {
-		try {
-			// FIXME: static foo makes unit testing unnecessarily difficult
-			$backend = \OC\Share\Share::getBackend($itemType);
-			return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE_GROUP);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-
-	/**
-	 * Generates a bunch of pagination links for the current page
-	 *
-	 * @param int $page Current page
-	 * @param array $params Parameters for the URL
-	 * @return string
-	 */
-	protected function getPaginationLink(int $page, array $params): string {
-		if ($this->isV2()) {
-			$url = $this->urlGenerator->getAbsoluteURL('/ocs/v2.php/apps/files_sharing/api/v1/sharees') . '?';
-		} else {
-			$url = $this->urlGenerator->getAbsoluteURL('/ocs/v1.php/apps/files_sharing/api/v1/sharees') . '?';
-		}
-		$params['page'] = $page + 1;
-		return '<' . $url . http_build_query($params) . '>; rel="next"';
-	}
-
-	/**
-	 * @return bool
-	 */
-	protected function isV2(): bool {
-		return $this->request->getScriptName() === '/ocs/v2.php';
-	}
+    /** @var string */
+    protected $userId;
+
+    /** @var IConfig */
+    protected $config;
+
+    /** @var IURLGenerator */
+    protected $urlGenerator;
+
+    /** @var IManager */
+    protected $shareManager;
+
+    /** @var int */
+    protected $offset = 0;
+
+    /** @var int */
+    protected $limit = 10;
+
+    /** @var array */
+    protected $result = [
+        'exact' => [
+            'users' => [],
+            'groups' => [],
+            'remotes' => [],
+            'remote_groups' => [],
+            'emails' => [],
+            'circles' => [],
+            'rooms' => [],
+        ],
+        'users' => [],
+        'groups' => [],
+        'remotes' => [],
+        'remote_groups' => [],
+        'emails' => [],
+        'lookup' => [],
+        'circles' => [],
+        'rooms' => [],
+        'lookupEnabled' => false,
+    ];
+
+    protected $reachedEndFor = [];
+    /** @var ISearch */
+    private $collaboratorSearch;
+
+    /**
+     * @param string $UserId
+     * @param string $appName
+     * @param IRequest $request
+     * @param IConfig $config
+     * @param IURLGenerator $urlGenerator
+     * @param IManager $shareManager
+     * @param ISearch $collaboratorSearch
+     */
+    public function __construct(
+        $UserId,
+        string $appName,
+        IRequest $request,
+        IConfig $config,
+        IURLGenerator $urlGenerator,
+        IManager $shareManager,
+        ISearch $collaboratorSearch
+    ) {
+        parent::__construct($appName, $request);
+        $this->userId = $UserId;
+        $this->config = $config;
+        $this->urlGenerator = $urlGenerator;
+        $this->shareManager = $shareManager;
+        $this->collaboratorSearch = $collaboratorSearch;
+    }
+
+    /**
+     * @NoAdminRequired
+     *
+     * @param string $search
+     * @param string $itemType
+     * @param int $page
+     * @param int $perPage
+     * @param int|int[] $shareType
+     * @param bool $lookup
+     * @return DataResponse
+     * @throws OCSBadRequestException
+     */
+    public function search(string $search = '', string $itemType = null, int $page = 1, int $perPage = 200, $shareType = null, bool $lookup = true): DataResponse {
+
+        // only search for string larger than a given threshold
+        $threshold = (int)$this->config->getSystemValue('sharing.minSearchStringLength', 0);
+        if (strlen($search) < $threshold) {
+            return new DataResponse($this->result);
+        }
+
+        // never return more than the max. number of results configured in the config.php
+        $maxResults = (int)$this->config->getSystemValue('sharing.maxAutocompleteResults', 0);
+        if ($maxResults > 0) {
+            $perPage = min($perPage, $maxResults);
+        }
+        if ($perPage <= 0) {
+            throw new OCSBadRequestException('Invalid perPage argument');
+        }
+        if ($page <= 0) {
+            throw new OCSBadRequestException('Invalid page');
+        }
+
+        $shareTypes = [
+            IShare::TYPE_USER,
+        ];
+
+        if ($itemType === null) {
+            throw new OCSBadRequestException('Missing itemType');
+        } elseif ($itemType === 'file' || $itemType === 'folder') {
+            if ($this->shareManager->allowGroupSharing()) {
+                $shareTypes[] = IShare::TYPE_GROUP;
+            }
+
+            if ($this->isRemoteSharingAllowed($itemType)) {
+                $shareTypes[] = IShare::TYPE_REMOTE;
+            }
+
+            if ($this->isRemoteGroupSharingAllowed($itemType)) {
+                $shareTypes[] = IShare::TYPE_REMOTE_GROUP;
+            }
+
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
+                $shareTypes[] = IShare::TYPE_EMAIL;
+            }
+
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_ROOM)) {
+                $shareTypes[] = IShare::TYPE_ROOM;
+            }
+        } else {
+            $shareTypes[] = IShare::TYPE_GROUP;
+            $shareTypes[] = IShare::TYPE_EMAIL;
+        }
+
+        // FIXME: DI
+        if (\OC::$server->getAppManager()->isEnabledForUser('circles') && class_exists('\OCA\Circles\ShareByCircleProvider')) {
+            $shareTypes[] = IShare::TYPE_CIRCLE;
+        }
+
+        if ($shareType !== null && is_array($shareType)) {
+            $shareTypes = array_intersect($shareTypes, $shareType);
+        } elseif (is_numeric($shareType)) {
+            $shareTypes = array_intersect($shareTypes, [(int) $shareType]);
+        }
+        sort($shareTypes);
+
+        $this->limit = (int) $perPage;
+        $this->offset = $perPage * ($page - 1);
+
+        // In global scale mode we always search the loogup server
+        if ($this->config->getSystemValueBool('gs.enabled', false)) {
+            $lookup = true;
+            $this->result['lookupEnabled'] = true;
+        } else {
+            $this->result['lookupEnabled'] = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'yes') === 'yes';
+        }
+
+        list($result, $hasMoreResults) = $this->collaboratorSearch->search($search, $shareTypes, $lookup, $this->limit, $this->offset);
+
+        // extra treatment for 'exact' subarray, with a single merge expected keys might be lost
+        if (isset($result['exact'])) {
+            $result['exact'] = array_merge($this->result['exact'], $result['exact']);
+        }
+        $this->result = array_merge($this->result, $result);
+        $response = new DataResponse($this->result);
+
+        if ($hasMoreResults) {
+            $response->addHeader('Link', $this->getPaginationLink($page, [
+                'search' => $search,
+                'itemType' => $itemType,
+                'shareType' => $shareTypes,
+                'perPage' => $perPage,
+            ]));
+        }
+
+        return $response;
+    }
+
+    /**
+     * @param string $user
+     * @param int $shareType
+     *
+     * @return Generator<array<string>>
+     */
+    private function getAllShareesByType(string $user, int $shareType): Generator {
+        $offset = 0;
+        $pageSize = 50;
+
+        while (count($page = $this->shareManager->getSharesBy(
+            $user,
+            $shareType,
+            null,
+            false,
+            $pageSize,
+            $offset
+        ))) {
+            foreach ($page as $share) {
+                yield [$share->getSharedWith(), $share->getSharedWithDisplayName() ?? $share->getSharedWith()];
+            }
+
+            $offset += $pageSize;
+        }
+    }
+
+    private function sortShareesByFrequency(array $sharees): array {
+        usort($sharees, function (array $s1, array $s2) {
+            return $s2['count'] - $s1['count'];
+        });
+        return $sharees;
+    }
+
+    private $searchResultTypeMap = [
+        IShare::TYPE_USER => 'users',
+        IShare::TYPE_GROUP => 'groups',
+        IShare::TYPE_REMOTE => 'remotes',
+        IShare::TYPE_REMOTE_GROUP => 'remote_groups',
+        IShare::TYPE_EMAIL => 'emails',
+    ];
+
+    private function getAllSharees(string $user, array $shareTypes): ISearchResult {
+        $result = [];
+        foreach ($shareTypes as $shareType) {
+            $sharees = $this->getAllShareesByType($user, $shareType);
+            $shareTypeResults = [];
+            foreach ($sharees as list($sharee, $displayname)) {
+                if (!isset($this->searchResultTypeMap[$shareType])) {
+                    continue;
+                }
+
+                if (!isset($shareTypeResults[$sharee])) {
+                    $shareTypeResults[$sharee] = [
+                        'count' => 1,
+                        'label' => $displayname,
+                        'value' => [
+                            'shareType' => $shareType,
+                            'shareWith' => $sharee,
+                        ],
+                    ];
+                } else {
+                    $shareTypeResults[$sharee]['count']++;
+                }
+            }
+            $result = array_merge($result, array_values($shareTypeResults));
+        }
+
+        $top5 = array_slice(
+            $this->sortShareesByFrequency($result),
+            0,
+            5
+        );
+
+        $searchResult = new SearchResult();
+        foreach ($this->searchResultTypeMap as $int => $str) {
+            $searchResult->addResultSet(new SearchResultType($str), [], []);
+            foreach ($top5 as $x) {
+                if ($x['value']['shareType'] === $int) {
+                    $searchResult->addResultSet(new SearchResultType($str), [], [$x]);
+                }
+            }
+        }
+        return $searchResult;
+    }
+
+    /**
+     * @NoAdminRequired
+     *
+     * @param string $itemType
+     * @return DataResponse
+     * @throws OCSBadRequestException
+     */
+    public function findRecommended(string $itemType = null, $shareType = null): DataResponse {
+        $shareTypes = [
+            IShare::TYPE_USER,
+        ];
+
+        if ($itemType === null) {
+            throw new OCSBadRequestException('Missing itemType');
+        } elseif ($itemType === 'file' || $itemType === 'folder') {
+            if ($this->shareManager->allowGroupSharing()) {
+                $shareTypes[] = IShare::TYPE_GROUP;
+            }
+
+            if ($this->isRemoteSharingAllowed($itemType)) {
+                $shareTypes[] = IShare::TYPE_REMOTE;
+            }
+
+            if ($this->isRemoteGroupSharingAllowed($itemType)) {
+                $shareTypes[] = IShare::TYPE_REMOTE_GROUP;
+            }
+
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_EMAIL)) {
+                $shareTypes[] = IShare::TYPE_EMAIL;
+            }
+
+            if ($this->shareManager->shareProviderExists(IShare::TYPE_ROOM)) {
+                $shareTypes[] = IShare::TYPE_ROOM;
+            }
+        } else {
+            $shareTypes[] = IShare::TYPE_GROUP;
+            $shareTypes[] = IShare::TYPE_EMAIL;
+        }
+
+        // FIXME: DI
+        if (\OC::$server->getAppManager()->isEnabledForUser('circles') && class_exists('\OCA\Circles\ShareByCircleProvider')) {
+            $shareTypes[] = IShare::TYPE_CIRCLE;
+        }
+
+        if (isset($_GET['shareType']) && is_array($_GET['shareType'])) {
+            $shareTypes = array_intersect($shareTypes, $_GET['shareType']);
+            sort($shareTypes);
+        } elseif (is_numeric($shareType)) {
+            $shareTypes = array_intersect($shareTypes, [(int) $shareType]);
+            sort($shareTypes);
+        }
+
+        return new DataResponse(
+            $this->getAllSharees($this->userId, $shareTypes)->asArray()
+        );
+    }
+
+    /**
+     * Method to get out the static call for better testing
+     *
+     * @param string $itemType
+     * @return bool
+     */
+    protected function isRemoteSharingAllowed(string $itemType): bool {
+        try {
+            // FIXME: static foo makes unit testing unnecessarily difficult
+            $backend = \OC\Share\Share::getBackend($itemType);
+            return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    protected function isRemoteGroupSharingAllowed(string $itemType): bool {
+        try {
+            // FIXME: static foo makes unit testing unnecessarily difficult
+            $backend = \OC\Share\Share::getBackend($itemType);
+            return $backend->isShareTypeAllowed(IShare::TYPE_REMOTE_GROUP);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+
+    /**
+     * Generates a bunch of pagination links for the current page
+     *
+     * @param int $page Current page
+     * @param array $params Parameters for the URL
+     * @return string
+     */
+    protected function getPaginationLink(int $page, array $params): string {
+        if ($this->isV2()) {
+            $url = $this->urlGenerator->getAbsoluteURL('/ocs/v2.php/apps/files_sharing/api/v1/sharees') . '?';
+        } else {
+            $url = $this->urlGenerator->getAbsoluteURL('/ocs/v1.php/apps/files_sharing/api/v1/sharees') . '?';
+        }
+        $params['page'] = $page + 1;
+        return '<' . $url . http_build_query($params) . '>; rel="next"';
+    }
+
+    /**
+     * @return bool
+     */
+    protected function isV2(): bool {
+        return $this->request->getScriptName() === '/ocs/v2.php';
+    }
 }

apps/files_sharing/lib/SharedMount.php

Indentation +224 added lines, -224 removed lines

@@ -41,228 +41,228 @@
  * Shared mount points can be moved by the user
  */
 class SharedMount extends MountPoint implements MoveableMount {
-	/**
-	 * @var \OCA\Files_Sharing\SharedStorage $storage
-	 */
-	protected $storage = null;
-
-	/**
-	 * @var \OC\Files\View
-	 */
-	private $recipientView;
-
-	/**
-	 * @var string
-	 */
-	private $user;
-
-	/** @var \OCP\Share\IShare */
-	private $superShare;
-
-	/** @var \OCP\Share\IShare[] */
-	private $groupedShares;
-
-	/**
-	 * @param string $storage
-	 * @param SharedMount[] $mountpoints
-	 * @param array $arguments
-	 * @param IStorageFactory $loader
-	 * @param View $recipientView
-	 */
-	public function __construct($storage, array $mountpoints, $arguments, IStorageFactory $loader, View $recipientView, CappedMemoryCache $folderExistCache) {
-		$this->user = $arguments['user'];
-		$this->recipientView = $recipientView;
-
-		$this->superShare = $arguments['superShare'];
-		$this->groupedShares = $arguments['groupedShares'];
-
-		$newMountPoint = $this->verifyMountPoint($this->superShare, $mountpoints, $folderExistCache);
-		$absMountPoint = '/' . $this->user . '/files' . $newMountPoint;
-		parent::__construct($storage, $absMountPoint, $arguments, $loader);
-	}
-
-	/**
-	 * check if the parent folder exists otherwise move the mount point up
-	 *
-	 * @param \OCP\Share\IShare $share
-	 * @param SharedMount[] $mountpoints
-	 * @return string
-	 */
-	private function verifyMountPoint(\OCP\Share\IShare $share, array $mountpoints, CappedMemoryCache $folderExistCache) {
-		$mountPoint = basename($share->getTarget());
-		$parent = dirname($share->getTarget());
-
-		$event = new VerifyMountPointEvent($share, $this->recipientView, $parent);
-		/** @var IEventDispatcher $dispatcher */
-		$dispatcher = \OC::$server->query(IEventDispatcher::class);
-		$dispatcher->dispatchTyped($event);
-		$parent = $event->getParent();
-
-		if ($folderExistCache->hasKey($parent)) {
-			$parentExists = $folderExistCache->get($parent);
-		} else {
-			$parentExists = $this->recipientView->is_dir($parent);
-			$folderExistCache->set($parent, $parentExists);
-		}
-		if (!$parentExists) {
-			$parent = Helper::getShareFolder($this->recipientView);
-		}
-
-		$newMountPoint = $this->generateUniqueTarget(
-			\OC\Files\Filesystem::normalizePath($parent . '/' . $mountPoint),
-			$this->recipientView,
-			$mountpoints
-		);
-
-		if ($newMountPoint !== $share->getTarget()) {
-			$this->updateFileTarget($newMountPoint, $share);
-		}
-
-		return $newMountPoint;
-	}
-
-	/**
-	 * update fileTarget in the database if the mount point changed
-	 *
-	 * @param string $newPath
-	 * @param \OCP\Share\IShare $share
-	 * @return bool
-	 */
-	private function updateFileTarget($newPath, &$share) {
-		$share->setTarget($newPath);
-
-		foreach ($this->groupedShares as $tmpShare) {
-			$tmpShare->setTarget($newPath);
-			\OC::$server->getShareManager()->moveShare($tmpShare, $this->user);
-		}
-	}
-
-
-	/**
-	 * @param string $path
-	 * @param View $view
-	 * @param SharedMount[] $mountpoints
-	 * @return mixed
-	 */
-	private function generateUniqueTarget($path, $view, array $mountpoints) {
-		$pathinfo = pathinfo($path);
-		$ext = isset($pathinfo['extension']) ? '.' . $pathinfo['extension'] : '';
-		$name = $pathinfo['filename'];
-		$dir = $pathinfo['dirname'];
-
-		$i = 2;
-		$absolutePath = $this->recipientView->getAbsolutePath($path) . '/';
-		while ($view->file_exists($path) || isset($mountpoints[$absolutePath])) {
-			$path = Filesystem::normalizePath($dir . '/' . $name . ' (' . $i . ')' . $ext);
-			$absolutePath = $this->recipientView->getAbsolutePath($path) . '/';
-			$i++;
-		}
-
-		return $path;
-	}
-
-	/**
-	 * Format a path to be relative to the /user/files/ directory
-	 *
-	 * @param string $path the absolute path
-	 * @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
-	 * @throws \OCA\Files_Sharing\Exceptions\BrokenPath
-	 */
-	protected function stripUserFilesPath($path) {
-		$trimmed = ltrim($path, '/');
-		$split = explode('/', $trimmed);
-
-		// it is not a file relative to data/user/files
-		if (count($split) < 3 || $split[1] !== 'files') {
-			\OC::$server->getLogger()->error('Can not strip userid and "files/" from path: ' . $path, ['app' => 'files_sharing']);
-			throw new \OCA\Files_Sharing\Exceptions\BrokenPath('Path does not start with /user/files', 10);
-		}
-
-		// skip 'user' and 'files'
-		$sliced = array_slice($split, 2);
-		$relPath = implode('/', $sliced);
-
-		return '/' . $relPath;
-	}
-
-	/**
-	 * Move the mount point to $target
-	 *
-	 * @param string $target the target mount point
-	 * @return bool
-	 */
-	public function moveMount($target) {
-		$relTargetPath = $this->stripUserFilesPath($target);
-		$share = $this->storage->getShare();
-
-		$result = true;
-
-		try {
-			$this->updateFileTarget($relTargetPath, $share);
-			$this->setMountPoint($target);
-			$this->storage->setMountPoint($relTargetPath);
-		} catch (\Exception $e) {
-			\OC::$server->getLogger()->logException($e, ['app' => 'files_sharing', 'message' => 'Could not rename mount point for shared folder "' . $this->getMountPoint() . '" to "' . $target . '"']);
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Remove the mount points
-	 *
-	 * @return bool
-	 */
-	public function removeMount() {
-		$mountManager = \OC\Files\Filesystem::getMountManager();
-		/** @var \OCA\Files_Sharing\SharedStorage $storage */
-		$storage = $this->getStorage();
-		$result = $storage->unshareStorage();
-		$mountManager->removeMount($this->mountPoint);
-
-		return $result;
-	}
-
-	/**
-	 * @return \OCP\Share\IShare
-	 */
-	public function getShare() {
-		return $this->superShare;
-	}
-
-	/**
-	 * Get the file id of the root of the storage
-	 *
-	 * @return int
-	 */
-	public function getStorageRootId() {
-		return $this->getShare()->getNodeId();
-	}
-
-	/**
-	 * @return int
-	 */
-	public function getNumericStorageId() {
-		if (!is_null($this->getShare()->getNodeCacheEntry())) {
-			return $this->getShare()->getNodeCacheEntry()->getStorageId();
-		} else {
-			$builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-
-			$query = $builder->select('storage')
-				->from('filecache')
-				->where($builder->expr()->eq('fileid', $builder->createNamedParameter($this->getStorageRootId())));
-
-			$result = $query->execute();
-			$row = $result->fetch();
-			$result->closeCursor();
-			if ($row) {
-				return (int)$row['storage'];
-			}
-			return -1;
-		}
-	}
-
-	public function getMountType() {
-		return 'shared';
-	}
+    /**
+     * @var \OCA\Files_Sharing\SharedStorage $storage
+     */
+    protected $storage = null;
+
+    /**
+     * @var \OC\Files\View
+     */
+    private $recipientView;
+
+    /**
+     * @var string
+     */
+    private $user;
+
+    /** @var \OCP\Share\IShare */
+    private $superShare;
+
+    /** @var \OCP\Share\IShare[] */
+    private $groupedShares;
+
+    /**
+     * @param string $storage
+     * @param SharedMount[] $mountpoints
+     * @param array $arguments
+     * @param IStorageFactory $loader
+     * @param View $recipientView
+     */
+    public function __construct($storage, array $mountpoints, $arguments, IStorageFactory $loader, View $recipientView, CappedMemoryCache $folderExistCache) {
+        $this->user = $arguments['user'];
+        $this->recipientView = $recipientView;
+
+        $this->superShare = $arguments['superShare'];
+        $this->groupedShares = $arguments['groupedShares'];
+
+        $newMountPoint = $this->verifyMountPoint($this->superShare, $mountpoints, $folderExistCache);
+        $absMountPoint = '/' . $this->user . '/files' . $newMountPoint;
+        parent::__construct($storage, $absMountPoint, $arguments, $loader);
+    }
+
+    /**
+     * check if the parent folder exists otherwise move the mount point up
+     *
+     * @param \OCP\Share\IShare $share
+     * @param SharedMount[] $mountpoints
+     * @return string
+     */
+    private function verifyMountPoint(\OCP\Share\IShare $share, array $mountpoints, CappedMemoryCache $folderExistCache) {
+        $mountPoint = basename($share->getTarget());
+        $parent = dirname($share->getTarget());
+
+        $event = new VerifyMountPointEvent($share, $this->recipientView, $parent);
+        /** @var IEventDispatcher $dispatcher */
+        $dispatcher = \OC::$server->query(IEventDispatcher::class);
+        $dispatcher->dispatchTyped($event);
+        $parent = $event->getParent();
+
+        if ($folderExistCache->hasKey($parent)) {
+            $parentExists = $folderExistCache->get($parent);
+        } else {
+            $parentExists = $this->recipientView->is_dir($parent);
+            $folderExistCache->set($parent, $parentExists);
+        }
+        if (!$parentExists) {
+            $parent = Helper::getShareFolder($this->recipientView);
+        }
+
+        $newMountPoint = $this->generateUniqueTarget(
+            \OC\Files\Filesystem::normalizePath($parent . '/' . $mountPoint),
+            $this->recipientView,
+            $mountpoints
+        );
+
+        if ($newMountPoint !== $share->getTarget()) {
+            $this->updateFileTarget($newMountPoint, $share);
+        }
+
+        return $newMountPoint;
+    }
+
+    /**
+     * update fileTarget in the database if the mount point changed
+     *
+     * @param string $newPath
+     * @param \OCP\Share\IShare $share
+     * @return bool
+     */
+    private function updateFileTarget($newPath, &$share) {
+        $share->setTarget($newPath);
+
+        foreach ($this->groupedShares as $tmpShare) {
+            $tmpShare->setTarget($newPath);
+            \OC::$server->getShareManager()->moveShare($tmpShare, $this->user);
+        }
+    }
+
+
+    /**
+     * @param string $path
+     * @param View $view
+     * @param SharedMount[] $mountpoints
+     * @return mixed
+     */
+    private function generateUniqueTarget($path, $view, array $mountpoints) {
+        $pathinfo = pathinfo($path);
+        $ext = isset($pathinfo['extension']) ? '.' . $pathinfo['extension'] : '';
+        $name = $pathinfo['filename'];
+        $dir = $pathinfo['dirname'];
+
+        $i = 2;
+        $absolutePath = $this->recipientView->getAbsolutePath($path) . '/';
+        while ($view->file_exists($path) || isset($mountpoints[$absolutePath])) {
+            $path = Filesystem::normalizePath($dir . '/' . $name . ' (' . $i . ')' . $ext);
+            $absolutePath = $this->recipientView->getAbsolutePath($path) . '/';
+            $i++;
+        }
+
+        return $path;
+    }
+
+    /**
+     * Format a path to be relative to the /user/files/ directory
+     *
+     * @param string $path the absolute path
+     * @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
+     * @throws \OCA\Files_Sharing\Exceptions\BrokenPath
+     */
+    protected function stripUserFilesPath($path) {
+        $trimmed = ltrim($path, '/');
+        $split = explode('/', $trimmed);
+
+        // it is not a file relative to data/user/files
+        if (count($split) < 3 || $split[1] !== 'files') {
+            \OC::$server->getLogger()->error('Can not strip userid and "files/" from path: ' . $path, ['app' => 'files_sharing']);
+            throw new \OCA\Files_Sharing\Exceptions\BrokenPath('Path does not start with /user/files', 10);
+        }
+
+        // skip 'user' and 'files'
+        $sliced = array_slice($split, 2);
+        $relPath = implode('/', $sliced);
+
+        return '/' . $relPath;
+    }
+
+    /**
+     * Move the mount point to $target
+     *
+     * @param string $target the target mount point
+     * @return bool
+     */
+    public function moveMount($target) {
+        $relTargetPath = $this->stripUserFilesPath($target);
+        $share = $this->storage->getShare();
+
+        $result = true;
+
+        try {
+            $this->updateFileTarget($relTargetPath, $share);
+            $this->setMountPoint($target);
+            $this->storage->setMountPoint($relTargetPath);
+        } catch (\Exception $e) {
+            \OC::$server->getLogger()->logException($e, ['app' => 'files_sharing', 'message' => 'Could not rename mount point for shared folder "' . $this->getMountPoint() . '" to "' . $target . '"']);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Remove the mount points
+     *
+     * @return bool
+     */
+    public function removeMount() {
+        $mountManager = \OC\Files\Filesystem::getMountManager();
+        /** @var \OCA\Files_Sharing\SharedStorage $storage */
+        $storage = $this->getStorage();
+        $result = $storage->unshareStorage();
+        $mountManager->removeMount($this->mountPoint);
+
+        return $result;
+    }
+
+    /**
+     * @return \OCP\Share\IShare
+     */
+    public function getShare() {
+        return $this->superShare;
+    }
+
+    /**
+     * Get the file id of the root of the storage
+     *
+     * @return int
+     */
+    public function getStorageRootId() {
+        return $this->getShare()->getNodeId();
+    }
+
+    /**
+     * @return int
+     */
+    public function getNumericStorageId() {
+        if (!is_null($this->getShare()->getNodeCacheEntry())) {
+            return $this->getShare()->getNodeCacheEntry()->getStorageId();
+        } else {
+            $builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+            $query = $builder->select('storage')
+                ->from('filecache')
+                ->where($builder->expr()->eq('fileid', $builder->createNamedParameter($this->getStorageRootId())));
+
+            $result = $query->execute();
+            $row = $result->fetch();
+            $result->closeCursor();
+            if ($row) {
+                return (int)$row['storage'];
+            }
+            return -1;
+        }
+    }
+
+    public function getMountType() {
+        return 'shared';
+    }
 }

apps/dav/lib/CalDAV/Schedule/Plugin.php

Indentation +486 added lines, -486 removed lines

@@ -54,165 +54,165 @@ 
 
 class Plugin extends \Sabre\CalDAV\Schedule\Plugin {
 
-	/**
-	 * @var IConfig
-	 */
-	private $config;
-
-	/** @var ITip\Message[] */
-	private $schedulingResponses = [];
-
-	/** @var string|null */
-	private $pathOfCalendarObjectChange = null;
-
-	public const CALENDAR_USER_TYPE = '{' . self::NS_CALDAV . '}calendar-user-type';
-	public const SCHEDULE_DEFAULT_CALENDAR_URL = '{' . Plugin::NS_CALDAV . '}schedule-default-calendar-URL';
-
-	/**
-	 * @param IConfig $config
-	 */
-	public function __construct(IConfig $config) {
-		$this->config = $config;
-	}
-
-	/**
-	 * Initializes the plugin
-	 *
-	 * @param Server $server
-	 * @return void
-	 */
-	public function initialize(Server $server) {
-		parent::initialize($server);
-		$server->on('propFind', [$this, 'propFindDefaultCalendarUrl'], 90);
-		$server->on('afterWriteContent', [$this, 'dispatchSchedulingResponses']);
-		$server->on('afterCreateFile', [$this, 'dispatchSchedulingResponses']);
-	}
-
-	/**
-	 * This method handler is invoked during fetching of properties.
-	 *
-	 * We use this event to add calendar-auto-schedule-specific properties.
-	 *
-	 * @param PropFind $propFind
-	 * @param INode $node
-	 * @return void
-	 */
-	public function propFind(PropFind $propFind, INode $node) {
-		if ($node instanceof IPrincipal) {
-			// overwrite Sabre/Dav's implementation
-			$propFind->handle(self::CALENDAR_USER_TYPE, function () use ($node) {
-				if ($node instanceof IProperties) {
-					$props = $node->getProperties([self::CALENDAR_USER_TYPE]);
-
-					if (isset($props[self::CALENDAR_USER_TYPE])) {
-						return $props[self::CALENDAR_USER_TYPE];
-					}
-				}
-
-				return 'INDIVIDUAL';
-			});
-		}
-
-		parent::propFind($propFind, $node);
-	}
-
-	/**
-	 * Returns a list of addresses that are associated with a principal.
-	 *
-	 * @param string $principal
-	 * @return array
-	 */
-	protected function getAddressesForPrincipal($principal) {
-		$result = parent::getAddressesForPrincipal($principal);
-
-		if ($result === null) {
-			$result = [];
-		}
-
-		return $result;
-	}
-
-	/**
-	 * @param RequestInterface $request
-	 * @param ResponseInterface $response
-	 * @param VCalendar $vCal
-	 * @param mixed $calendarPath
-	 * @param mixed $modified
-	 * @param mixed $isNew
-	 */
-	public function calendarObjectChange(RequestInterface $request, ResponseInterface $response, VCalendar $vCal, $calendarPath, &$modified, $isNew) {
-		// Save the first path we get as a calendar-object-change request
-		if (!$this->pathOfCalendarObjectChange) {
-			$this->pathOfCalendarObjectChange = $request->getPath();
-		}
-
-		parent::calendarObjectChange($request, $response, $vCal, $calendarPath, $modified, $isNew);
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	public function scheduleLocalDelivery(ITip\Message $iTipMessage):void {
-		parent::scheduleLocalDelivery($iTipMessage);
-
-		// We only care when the message was successfully delivered locally
-		if ($iTipMessage->scheduleStatus !== '1.2;Message delivered locally') {
-			return;
-		}
-
-		// We only care about request. reply and cancel are properly handled
-		// by parent::scheduleLocalDelivery already
-		if (strcasecmp($iTipMessage->method, 'REQUEST') !== 0) {
-			return;
-		}
-
-		// If parent::scheduleLocalDelivery set scheduleStatus to 1.2,
-		// it means that it was successfully delivered locally.
-		// Meaning that the ACL plugin is loaded and that a principial
-		// exists for the given recipient id, no need to double check
-		/** @var \Sabre\DAVACL\Plugin $aclPlugin */
-		$aclPlugin = $this->server->getPlugin('acl');
-		$principalUri = $aclPlugin->getPrincipalByUri($iTipMessage->recipient);
-		$calendarUserType = $this->getCalendarUserTypeForPrincipal($principalUri);
-		if (strcasecmp($calendarUserType, 'ROOM') !== 0 && strcasecmp($calendarUserType, 'RESOURCE') !== 0) {
-			return;
-		}
-
-		$attendee = $this->getCurrentAttendee($iTipMessage);
-		if (!$attendee) {
-			return;
-		}
-
-		// We only respond when a response was actually requested
-		$rsvp = $this->getAttendeeRSVP($attendee);
-		if (!$rsvp) {
-			return;
-		}
-
-		if (!isset($iTipMessage->message)) {
-			return;
-		}
-
-		$vcalendar = $iTipMessage->message;
-		if (!isset($vcalendar->VEVENT)) {
-			return;
-		}
-
-		/** @var Component $vevent */
-		$vevent = $vcalendar->VEVENT;
-
-		// We don't support autoresponses for recurrencing events for now
-		if (isset($vevent->RRULE) || isset($vevent->RDATE)) {
-			return;
-		}
-
-		$dtstart = $vevent->DTSTART;
-		$dtend =  $this->getDTEndFromVEvent($vevent);
-		$uid = $vevent->UID->getValue();
-		$sequence = isset($vevent->SEQUENCE) ? $vevent->SEQUENCE->getValue() : 0;
-		$recurrenceId = isset($vevent->{'RECURRENCE-ID'}) ? $vevent->{'RECURRENCE-ID'}->serialize() : '';
-
-		$message = <<<EOF
+    /**
+     * @var IConfig
+     */
+    private $config;
+
+    /** @var ITip\Message[] */
+    private $schedulingResponses = [];
+
+    /** @var string|null */
+    private $pathOfCalendarObjectChange = null;
+
+    public const CALENDAR_USER_TYPE = '{' . self::NS_CALDAV . '}calendar-user-type';
+    public const SCHEDULE_DEFAULT_CALENDAR_URL = '{' . Plugin::NS_CALDAV . '}schedule-default-calendar-URL';
+
+    /**
+     * @param IConfig $config
+     */
+    public function __construct(IConfig $config) {
+        $this->config = $config;
+    }
+
+    /**
+     * Initializes the plugin
+     *
+     * @param Server $server
+     * @return void
+     */
+    public function initialize(Server $server) {
+        parent::initialize($server);
+        $server->on('propFind', [$this, 'propFindDefaultCalendarUrl'], 90);
+        $server->on('afterWriteContent', [$this, 'dispatchSchedulingResponses']);
+        $server->on('afterCreateFile', [$this, 'dispatchSchedulingResponses']);
+    }
+
+    /**
+     * This method handler is invoked during fetching of properties.
+     *
+     * We use this event to add calendar-auto-schedule-specific properties.
+     *
+     * @param PropFind $propFind
+     * @param INode $node
+     * @return void
+     */
+    public function propFind(PropFind $propFind, INode $node) {
+        if ($node instanceof IPrincipal) {
+            // overwrite Sabre/Dav's implementation
+            $propFind->handle(self::CALENDAR_USER_TYPE, function () use ($node) {
+                if ($node instanceof IProperties) {
+                    $props = $node->getProperties([self::CALENDAR_USER_TYPE]);
+
+                    if (isset($props[self::CALENDAR_USER_TYPE])) {
+                        return $props[self::CALENDAR_USER_TYPE];
+                    }
+                }
+
+                return 'INDIVIDUAL';
+            });
+        }
+
+        parent::propFind($propFind, $node);
+    }
+
+    /**
+     * Returns a list of addresses that are associated with a principal.
+     *
+     * @param string $principal
+     * @return array
+     */
+    protected function getAddressesForPrincipal($principal) {
+        $result = parent::getAddressesForPrincipal($principal);
+
+        if ($result === null) {
+            $result = [];
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @param VCalendar $vCal
+     * @param mixed $calendarPath
+     * @param mixed $modified
+     * @param mixed $isNew
+     */
+    public function calendarObjectChange(RequestInterface $request, ResponseInterface $response, VCalendar $vCal, $calendarPath, &$modified, $isNew) {
+        // Save the first path we get as a calendar-object-change request
+        if (!$this->pathOfCalendarObjectChange) {
+            $this->pathOfCalendarObjectChange = $request->getPath();
+        }
+
+        parent::calendarObjectChange($request, $response, $vCal, $calendarPath, $modified, $isNew);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function scheduleLocalDelivery(ITip\Message $iTipMessage):void {
+        parent::scheduleLocalDelivery($iTipMessage);
+
+        // We only care when the message was successfully delivered locally
+        if ($iTipMessage->scheduleStatus !== '1.2;Message delivered locally') {
+            return;
+        }
+
+        // We only care about request. reply and cancel are properly handled
+        // by parent::scheduleLocalDelivery already
+        if (strcasecmp($iTipMessage->method, 'REQUEST') !== 0) {
+            return;
+        }
+
+        // If parent::scheduleLocalDelivery set scheduleStatus to 1.2,
+        // it means that it was successfully delivered locally.
+        // Meaning that the ACL plugin is loaded and that a principial
+        // exists for the given recipient id, no need to double check
+        /** @var \Sabre\DAVACL\Plugin $aclPlugin */
+        $aclPlugin = $this->server->getPlugin('acl');
+        $principalUri = $aclPlugin->getPrincipalByUri($iTipMessage->recipient);
+        $calendarUserType = $this->getCalendarUserTypeForPrincipal($principalUri);
+        if (strcasecmp($calendarUserType, 'ROOM') !== 0 && strcasecmp($calendarUserType, 'RESOURCE') !== 0) {
+            return;
+        }
+
+        $attendee = $this->getCurrentAttendee($iTipMessage);
+        if (!$attendee) {
+            return;
+        }
+
+        // We only respond when a response was actually requested
+        $rsvp = $this->getAttendeeRSVP($attendee);
+        if (!$rsvp) {
+            return;
+        }
+
+        if (!isset($iTipMessage->message)) {
+            return;
+        }
+
+        $vcalendar = $iTipMessage->message;
+        if (!isset($vcalendar->VEVENT)) {
+            return;
+        }
+
+        /** @var Component $vevent */
+        $vevent = $vcalendar->VEVENT;
+
+        // We don't support autoresponses for recurrencing events for now
+        if (isset($vevent->RRULE) || isset($vevent->RDATE)) {
+            return;
+        }
+
+        $dtstart = $vevent->DTSTART;
+        $dtend =  $this->getDTEndFromVEvent($vevent);
+        $uid = $vevent->UID->getValue();
+        $sequence = isset($vevent->SEQUENCE) ? $vevent->SEQUENCE->getValue() : 0;
+        $recurrenceId = isset($vevent->{'RECURRENCE-ID'}) ? $vevent->{'RECURRENCE-ID'}->serialize() : '';
+
+        $message = <<<EOF
 BEGIN:VCALENDAR
 PRODID:-//Nextcloud/Nextcloud CalDAV Server//EN
 METHOD:REPLY
@@ -227,331 +227,331 @@ 
 END:VCALENDAR
 EOF;
 
-		if ($this->isAvailableAtTime($attendee->getValue(), $dtstart->getDateTime(), $dtend->getDateTime(), $uid)) {
-			$partStat = 'ACCEPTED';
-		} else {
-			$partStat = 'DECLINED';
-		}
-
-		$vObject = Reader::read(vsprintf($message, [
-			$partStat,
-			$iTipMessage->recipient,
-			$iTipMessage->sender,
-			$uid,
-			$sequence,
-			$recurrenceId
-		]));
-
-		$responseITipMessage = new ITip\Message();
-		$responseITipMessage->uid = $uid;
-		$responseITipMessage->component = 'VEVENT';
-		$responseITipMessage->method = 'REPLY';
-		$responseITipMessage->sequence = $sequence;
-		$responseITipMessage->sender = $iTipMessage->recipient;
-		$responseITipMessage->recipient = $iTipMessage->sender;
-		$responseITipMessage->message = $vObject;
-
-		// We can't dispatch them now already, because the organizers calendar-object
-		// was not yet created. Hence Sabre/DAV won't find a calendar-object, when we
-		// send our reply.
-		$this->schedulingResponses[] = $responseITipMessage;
-	}
-
-	/**
-	 * @param string $uri
-	 */
-	public function dispatchSchedulingResponses(string $uri):void {
-		if ($uri !== $this->pathOfCalendarObjectChange) {
-			return;
-		}
-
-		foreach ($this->schedulingResponses as $schedulingResponse) {
-			$this->scheduleLocalDelivery($schedulingResponse);
-		}
-	}
-
-	/**
-	 * Always use the personal calendar as target for scheduled events
-	 *
-	 * @param PropFind $propFind
-	 * @param INode $node
-	 * @return void
-	 */
-	public function propFindDefaultCalendarUrl(PropFind $propFind, INode $node) {
-		if ($node instanceof IPrincipal) {
-			$propFind->handle(self::SCHEDULE_DEFAULT_CALENDAR_URL, function () use ($node) {
-				/** @var \OCA\DAV\CalDAV\Plugin $caldavPlugin */
-				$caldavPlugin = $this->server->getPlugin('caldav');
-				$principalUrl = $node->getPrincipalUrl();
-
-				$calendarHomePath = $caldavPlugin->getCalendarHomeForPrincipal($principalUrl);
-				if (!$calendarHomePath) {
-					return null;
-				}
-
-				if (strpos($principalUrl, 'principals/users') === 0) {
-					list(, $userId) = split($principalUrl);
-					$uri = $this->config->getUserValue($userId, 'dav', 'defaultCalendar', CalDavBackend::PERSONAL_CALENDAR_URI);
-					$displayName = CalDavBackend::PERSONAL_CALENDAR_NAME;
-				} elseif (strpos($principalUrl, 'principals/calendar-resources') === 0 ||
-						  strpos($principalUrl, 'principals/calendar-rooms') === 0) {
-					$uri = CalDavBackend::RESOURCE_BOOKING_CALENDAR_URI;
-					$displayName = CalDavBackend::RESOURCE_BOOKING_CALENDAR_NAME;
-				} else {
-					// How did we end up here?
-					// TODO - throw exception or just ignore?
-					return null;
-				}
-
-				/** @var CalendarHome $calendarHome */
-				$calendarHome = $this->server->tree->getNodeForPath($calendarHomePath);
-				if (!$calendarHome->childExists($uri)) {
-					$calendarHome->getCalDAVBackend()->createCalendar($principalUrl, $uri, [
-						'{DAV:}displayname' => $displayName,
-					]);
-				}
-
-				$result = $this->server->getPropertiesForPath($calendarHomePath . '/' . $uri, [], 1);
-				if (empty($result)) {
-					return null;
-				}
-
-				return new LocalHref($result[0]['href']);
-			});
-		}
-	}
-
-	/**
-	 * Returns a list of addresses that are associated with a principal.
-	 *
-	 * @param string $principal
-	 * @return string|null
-	 */
-	protected function getCalendarUserTypeForPrincipal($principal):?string {
-		$calendarUserType = '{' . self::NS_CALDAV . '}calendar-user-type';
-		$properties = $this->server->getProperties(
-			$principal,
-			[$calendarUserType]
-		);
-
-		// If we can't find this information, we'll stop processing
-		if (!isset($properties[$calendarUserType])) {
-			return null;
-		}
-
-		return $properties[$calendarUserType];
-	}
-
-	/**
-	 * @param ITip\Message $iTipMessage
-	 * @return null|Property
-	 */
-	private function getCurrentAttendee(ITip\Message $iTipMessage):?Property {
-		/** @var VEvent $vevent */
-		$vevent = $iTipMessage->message->VEVENT;
-		$attendees = $vevent->select('ATTENDEE');
-		foreach ($attendees as $attendee) {
-			/** @var Property $attendee */
-			if (strcasecmp($attendee->getValue(), $iTipMessage->recipient) === 0) {
-				return $attendee;
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * @param Property|null $attendee
-	 * @return bool
-	 */
-	private function getAttendeeRSVP(Property $attendee = null):bool {
-		if ($attendee !== null) {
-			$rsvp = $attendee->offsetGet('RSVP');
-			if (($rsvp instanceof Parameter) && (strcasecmp($rsvp->getValue(), 'TRUE') === 0)) {
-				return true;
-			}
-		}
-		// RFC 5545 3.2.17: default RSVP is false
-		return false;
-	}
-
-	/**
-	 * @param VEvent $vevent
-	 * @return Property\ICalendar\DateTime
-	 */
-	private function getDTEndFromVEvent(VEvent $vevent):Property\ICalendar\DateTime {
-		if (isset($vevent->DTEND)) {
-			return $vevent->DTEND;
-		}
-
-		if (isset($vevent->DURATION)) {
-			$isFloating = $vevent->DTSTART->isFloating();
-			/** @var Property\ICalendar\DateTime $end */
-			$end = clone $vevent->DTSTART;
-			$endDateTime = $end->getDateTime();
-			$endDateTime = $endDateTime->add(DateTimeParser::parse($vevent->DURATION->getValue()));
-			$end->setDateTime($endDateTime, $isFloating);
-			return $end;
-		}
-
-		if (!$vevent->DTSTART->hasTime()) {
-			$isFloating = $vevent->DTSTART->isFloating();
-			/** @var Property\ICalendar\DateTime $end */
-			$end = clone $vevent->DTSTART;
-			$endDateTime = $end->getDateTime();
-			$endDateTime = $endDateTime->modify('+1 day');
-			$end->setDateTime($endDateTime, $isFloating);
-			return $end;
-		}
-
-		return clone $vevent->DTSTART;
-	}
-
-	/**
-	 * @param string $email
-	 * @param \DateTimeInterface $start
-	 * @param \DateTimeInterface $end
-	 * @param string $ignoreUID
-	 * @return bool
-	 */
-	private function isAvailableAtTime(string $email, \DateTimeInterface $start, \DateTimeInterface $end, string $ignoreUID):bool {
-		// This method is heavily inspired by Sabre\CalDAV\Schedule\Plugin::scheduleLocalDelivery
-		// and Sabre\CalDAV\Schedule\Plugin::getFreeBusyForEmail
-
-		$aclPlugin = $this->server->getPlugin('acl');
-		$this->server->removeListener('propFind', [$aclPlugin, 'propFind']);
-
-		$result = $aclPlugin->principalSearch(
-			['{http://sabredav.org/ns}email-address' => $this->stripOffMailTo($email)],
-			[
-				'{DAV:}principal-URL',
-				'{' . self::NS_CALDAV . '}calendar-home-set',
-				'{' . self::NS_CALDAV . '}schedule-inbox-URL',
-				'{http://sabredav.org/ns}email-address',
-
-			]
-		);
-		$this->server->on('propFind', [$aclPlugin, 'propFind'], 20);
-
-
-		// Grabbing the calendar list
-		$objects = [];
-		$calendarTimeZone = new DateTimeZone('UTC');
-
-		$homePath = $result[0][200]['{' . self::NS_CALDAV . '}calendar-home-set']->getHref();
-		foreach ($this->server->tree->getNodeForPath($homePath)->getChildren() as $node) {
-			if (!$node instanceof ICalendar) {
-				continue;
-			}
-
-			// Getting the list of object uris within the time-range
-			$urls = $node->calendarQuery([
-				'name' => 'VCALENDAR',
-				'comp-filters' => [
-					[
-						'name' => 'VEVENT',
-						'is-not-defined' => false,
-						'time-range' => [
-							'start' => $start,
-							'end' => $end,
-						],
-						'comp-filters'   => [],
-						'prop-filters'   => [],
-					],
-					[
-						'name' => 'VEVENT',
-						'is-not-defined' => false,
-						'time-range' => null,
-						'comp-filters'   => [],
-						'prop-filters'   => [
-							[
-								'name'           => 'UID',
-								'is-not-defined' => false,
-								'time-range'     => null,
-								'text-match'     => [
-									'value' => $ignoreUID,
-									'negate-condition' => true,
-									'collation' => 'i;octet',
-								],
-								'param-filters' => [],
-							],
-						]
-					],
-				],
-				'prop-filters' => [],
-				'is-not-defined' => false,
-				'time-range' => null,
-			]);
-
-			foreach ($urls as $url) {
-				$objects[] = $node->getChild($url)->get();
-			}
-		}
-
-		$inboxProps = $this->server->getProperties(
-			$result[0][200]['{' . self::NS_CALDAV . '}schedule-inbox-URL']->getHref(),
-			['{' . self::NS_CALDAV . '}calendar-availability']
-		);
-
-		$vcalendar = new VCalendar();
-		$vcalendar->METHOD = 'REPLY';
-
-		$generator = new FreeBusyGenerator();
-		$generator->setObjects($objects);
-		$generator->setTimeRange($start, $end);
-		$generator->setBaseObject($vcalendar);
-		$generator->setTimeZone($calendarTimeZone);
-
-		if (isset($inboxProps['{' . self::NS_CALDAV . '}calendar-availability'])) {
-			$generator->setVAvailability(
-				Reader::read(
-					$inboxProps['{' . self::NS_CALDAV . '}calendar-availability']
-				)
-			);
-		}
-
-		$result = $generator->getResult();
-		if (!isset($result->VFREEBUSY)) {
-			return false;
-		}
-
-		/** @var Component $freeBusyComponent */
-		$freeBusyComponent = $result->VFREEBUSY;
-		$freeBusyProperties = $freeBusyComponent->select('FREEBUSY');
-		// If there is no Free-busy property at all, the time-range is empty and available
-		if (count($freeBusyProperties) === 0) {
-			return true;
-		}
-
-		// If more than one Free-Busy property was returned, it means that an event
-		// starts or ends inside this time-range, so it's not availabe and we return false
-		if (count($freeBusyProperties) > 1) {
-			return false;
-		}
-
-		/** @var Property $freeBusyProperty */
-		$freeBusyProperty = $freeBusyProperties[0];
-		if (!$freeBusyProperty->offsetExists('FBTYPE')) {
-			// If there is no FBTYPE, it means it's busy
-			return false;
-		}
-
-		$fbTypeParameter = $freeBusyProperty->offsetGet('FBTYPE');
-		if (!($fbTypeParameter instanceof Parameter)) {
-			return false;
-		}
-
-		return (strcasecmp($fbTypeParameter->getValue(), 'FREE') === 0);
-	}
-
-	/**
-	 * @param string $email
-	 * @return string
-	 */
-	private function stripOffMailTo(string $email): string {
-		if (stripos($email, 'mailto:')  === 0) {
-			return substr($email, 7);
-		}
-
-		return $email;
-	}
+        if ($this->isAvailableAtTime($attendee->getValue(), $dtstart->getDateTime(), $dtend->getDateTime(), $uid)) {
+            $partStat = 'ACCEPTED';
+        } else {
+            $partStat = 'DECLINED';
+        }
+
+        $vObject = Reader::read(vsprintf($message, [
+            $partStat,
+            $iTipMessage->recipient,
+            $iTipMessage->sender,
+            $uid,
+            $sequence,
+            $recurrenceId
+        ]));
+
+        $responseITipMessage = new ITip\Message();
+        $responseITipMessage->uid = $uid;
+        $responseITipMessage->component = 'VEVENT';
+        $responseITipMessage->method = 'REPLY';
+        $responseITipMessage->sequence = $sequence;
+        $responseITipMessage->sender = $iTipMessage->recipient;
+        $responseITipMessage->recipient = $iTipMessage->sender;
+        $responseITipMessage->message = $vObject;
+
+        // We can't dispatch them now already, because the organizers calendar-object
+        // was not yet created. Hence Sabre/DAV won't find a calendar-object, when we
+        // send our reply.
+        $this->schedulingResponses[] = $responseITipMessage;
+    }
+
+    /**
+     * @param string $uri
+     */
+    public function dispatchSchedulingResponses(string $uri):void {
+        if ($uri !== $this->pathOfCalendarObjectChange) {
+            return;
+        }
+
+        foreach ($this->schedulingResponses as $schedulingResponse) {
+            $this->scheduleLocalDelivery($schedulingResponse);
+        }
+    }
+
+    /**
+     * Always use the personal calendar as target for scheduled events
+     *
+     * @param PropFind $propFind
+     * @param INode $node
+     * @return void
+     */
+    public function propFindDefaultCalendarUrl(PropFind $propFind, INode $node) {
+        if ($node instanceof IPrincipal) {
+            $propFind->handle(self::SCHEDULE_DEFAULT_CALENDAR_URL, function () use ($node) {
+                /** @var \OCA\DAV\CalDAV\Plugin $caldavPlugin */
+                $caldavPlugin = $this->server->getPlugin('caldav');
+                $principalUrl = $node->getPrincipalUrl();
+
+                $calendarHomePath = $caldavPlugin->getCalendarHomeForPrincipal($principalUrl);
+                if (!$calendarHomePath) {
+                    return null;
+                }
+
+                if (strpos($principalUrl, 'principals/users') === 0) {
+                    list(, $userId) = split($principalUrl);
+                    $uri = $this->config->getUserValue($userId, 'dav', 'defaultCalendar', CalDavBackend::PERSONAL_CALENDAR_URI);
+                    $displayName = CalDavBackend::PERSONAL_CALENDAR_NAME;
+                } elseif (strpos($principalUrl, 'principals/calendar-resources') === 0 ||
+                          strpos($principalUrl, 'principals/calendar-rooms') === 0) {
+                    $uri = CalDavBackend::RESOURCE_BOOKING_CALENDAR_URI;
+                    $displayName = CalDavBackend::RESOURCE_BOOKING_CALENDAR_NAME;
+                } else {
+                    // How did we end up here?
+                    // TODO - throw exception or just ignore?
+                    return null;
+                }
+
+                /** @var CalendarHome $calendarHome */
+                $calendarHome = $this->server->tree->getNodeForPath($calendarHomePath);
+                if (!$calendarHome->childExists($uri)) {
+                    $calendarHome->getCalDAVBackend()->createCalendar($principalUrl, $uri, [
+                        '{DAV:}displayname' => $displayName,
+                    ]);
+                }
+
+                $result = $this->server->getPropertiesForPath($calendarHomePath . '/' . $uri, [], 1);
+                if (empty($result)) {
+                    return null;
+                }
+
+                return new LocalHref($result[0]['href']);
+            });
+        }
+    }
+
+    /**
+     * Returns a list of addresses that are associated with a principal.
+     *
+     * @param string $principal
+     * @return string|null
+     */
+    protected function getCalendarUserTypeForPrincipal($principal):?string {
+        $calendarUserType = '{' . self::NS_CALDAV . '}calendar-user-type';
+        $properties = $this->server->getProperties(
+            $principal,
+            [$calendarUserType]
+        );
+
+        // If we can't find this information, we'll stop processing
+        if (!isset($properties[$calendarUserType])) {
+            return null;
+        }
+
+        return $properties[$calendarUserType];
+    }
+
+    /**
+     * @param ITip\Message $iTipMessage
+     * @return null|Property
+     */
+    private function getCurrentAttendee(ITip\Message $iTipMessage):?Property {
+        /** @var VEvent $vevent */
+        $vevent = $iTipMessage->message->VEVENT;
+        $attendees = $vevent->select('ATTENDEE');
+        foreach ($attendees as $attendee) {
+            /** @var Property $attendee */
+            if (strcasecmp($attendee->getValue(), $iTipMessage->recipient) === 0) {
+                return $attendee;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * @param Property|null $attendee
+     * @return bool
+     */
+    private function getAttendeeRSVP(Property $attendee = null):bool {
+        if ($attendee !== null) {
+            $rsvp = $attendee->offsetGet('RSVP');
+            if (($rsvp instanceof Parameter) && (strcasecmp($rsvp->getValue(), 'TRUE') === 0)) {
+                return true;
+            }
+        }
+        // RFC 5545 3.2.17: default RSVP is false
+        return false;
+    }
+
+    /**
+     * @param VEvent $vevent
+     * @return Property\ICalendar\DateTime
+     */
+    private function getDTEndFromVEvent(VEvent $vevent):Property\ICalendar\DateTime {
+        if (isset($vevent->DTEND)) {
+            return $vevent->DTEND;
+        }
+
+        if (isset($vevent->DURATION)) {
+            $isFloating = $vevent->DTSTART->isFloating();
+            /** @var Property\ICalendar\DateTime $end */
+            $end = clone $vevent->DTSTART;
+            $endDateTime = $end->getDateTime();
+            $endDateTime = $endDateTime->add(DateTimeParser::parse($vevent->DURATION->getValue()));
+            $end->setDateTime($endDateTime, $isFloating);
+            return $end;
+        }
+
+        if (!$vevent->DTSTART->hasTime()) {
+            $isFloating = $vevent->DTSTART->isFloating();
+            /** @var Property\ICalendar\DateTime $end */
+            $end = clone $vevent->DTSTART;
+            $endDateTime = $end->getDateTime();
+            $endDateTime = $endDateTime->modify('+1 day');
+            $end->setDateTime($endDateTime, $isFloating);
+            return $end;
+        }
+
+        return clone $vevent->DTSTART;
+    }
+
+    /**
+     * @param string $email
+     * @param \DateTimeInterface $start
+     * @param \DateTimeInterface $end
+     * @param string $ignoreUID
+     * @return bool
+     */
+    private function isAvailableAtTime(string $email, \DateTimeInterface $start, \DateTimeInterface $end, string $ignoreUID):bool {
+        // This method is heavily inspired by Sabre\CalDAV\Schedule\Plugin::scheduleLocalDelivery
+        // and Sabre\CalDAV\Schedule\Plugin::getFreeBusyForEmail
+
+        $aclPlugin = $this->server->getPlugin('acl');
+        $this->server->removeListener('propFind', [$aclPlugin, 'propFind']);
+
+        $result = $aclPlugin->principalSearch(
+            ['{http://sabredav.org/ns}email-address' => $this->stripOffMailTo($email)],
+            [
+                '{DAV:}principal-URL',
+                '{' . self::NS_CALDAV . '}calendar-home-set',
+                '{' . self::NS_CALDAV . '}schedule-inbox-URL',
+                '{http://sabredav.org/ns}email-address',
+
+            ]
+        );
+        $this->server->on('propFind', [$aclPlugin, 'propFind'], 20);
+
+
+        // Grabbing the calendar list
+        $objects = [];
+        $calendarTimeZone = new DateTimeZone('UTC');
+
+        $homePath = $result[0][200]['{' . self::NS_CALDAV . '}calendar-home-set']->getHref();
+        foreach ($this->server->tree->getNodeForPath($homePath)->getChildren() as $node) {
+            if (!$node instanceof ICalendar) {
+                continue;
+            }
+
+            // Getting the list of object uris within the time-range
+            $urls = $node->calendarQuery([
+                'name' => 'VCALENDAR',
+                'comp-filters' => [
+                    [
+                        'name' => 'VEVENT',
+                        'is-not-defined' => false,
+                        'time-range' => [
+                            'start' => $start,
+                            'end' => $end,
+                        ],
+                        'comp-filters'   => [],
+                        'prop-filters'   => [],
+                    ],
+                    [
+                        'name' => 'VEVENT',
+                        'is-not-defined' => false,
+                        'time-range' => null,
+                        'comp-filters'   => [],
+                        'prop-filters'   => [
+                            [
+                                'name'           => 'UID',
+                                'is-not-defined' => false,
+                                'time-range'     => null,
+                                'text-match'     => [
+                                    'value' => $ignoreUID,
+                                    'negate-condition' => true,
+                                    'collation' => 'i;octet',
+                                ],
+                                'param-filters' => [],
+                            ],
+                        ]
+                    ],
+                ],
+                'prop-filters' => [],
+                'is-not-defined' => false,
+                'time-range' => null,
+            ]);
+
+            foreach ($urls as $url) {
+                $objects[] = $node->getChild($url)->get();
+            }
+        }
+
+        $inboxProps = $this->server->getProperties(
+            $result[0][200]['{' . self::NS_CALDAV . '}schedule-inbox-URL']->getHref(),
+            ['{' . self::NS_CALDAV . '}calendar-availability']
+        );
+
+        $vcalendar = new VCalendar();
+        $vcalendar->METHOD = 'REPLY';
+
+        $generator = new FreeBusyGenerator();
+        $generator->setObjects($objects);
+        $generator->setTimeRange($start, $end);
+        $generator->setBaseObject($vcalendar);
+        $generator->setTimeZone($calendarTimeZone);
+
+        if (isset($inboxProps['{' . self::NS_CALDAV . '}calendar-availability'])) {
+            $generator->setVAvailability(
+                Reader::read(
+                    $inboxProps['{' . self::NS_CALDAV . '}calendar-availability']
+                )
+            );
+        }
+
+        $result = $generator->getResult();
+        if (!isset($result->VFREEBUSY)) {
+            return false;
+        }
+
+        /** @var Component $freeBusyComponent */
+        $freeBusyComponent = $result->VFREEBUSY;
+        $freeBusyProperties = $freeBusyComponent->select('FREEBUSY');
+        // If there is no Free-busy property at all, the time-range is empty and available
+        if (count($freeBusyProperties) === 0) {
+            return true;
+        }
+
+        // If more than one Free-Busy property was returned, it means that an event
+        // starts or ends inside this time-range, so it's not availabe and we return false
+        if (count($freeBusyProperties) > 1) {
+            return false;
+        }
+
+        /** @var Property $freeBusyProperty */
+        $freeBusyProperty = $freeBusyProperties[0];
+        if (!$freeBusyProperty->offsetExists('FBTYPE')) {
+            // If there is no FBTYPE, it means it's busy
+            return false;
+        }
+
+        $fbTypeParameter = $freeBusyProperty->offsetGet('FBTYPE');
+        if (!($fbTypeParameter instanceof Parameter)) {
+            return false;
+        }
+
+        return (strcasecmp($fbTypeParameter->getValue(), 'FREE') === 0);
+    }
+
+    /**
+     * @param string $email
+     * @return string
+     */
+    private function stripOffMailTo(string $email): string {
+        if (stripos($email, 'mailto:')  === 0) {
+            return substr($email, 7);
+        }
+
+        return $email;
+    }
 }

Spacing +17 added lines, -17 removed lines

@@ -65,8 +65,8 @@ 
 	/** @var string|null */
 	private $pathOfCalendarObjectChange = null;
 
-	public const CALENDAR_USER_TYPE = '{' . self::NS_CALDAV . '}calendar-user-type';
-	public const SCHEDULE_DEFAULT_CALENDAR_URL = '{' . Plugin::NS_CALDAV . '}schedule-default-calendar-URL';
+	public const CALENDAR_USER_TYPE = '{'.self::NS_CALDAV.'}calendar-user-type';
+	public const SCHEDULE_DEFAULT_CALENDAR_URL = '{'.Plugin::NS_CALDAV.'}schedule-default-calendar-URL';
 
 	/**
 	 * @param IConfig $config
@@ -100,7 +100,7 @@ 
 	public function propFind(PropFind $propFind, INode $node) {
 		if ($node instanceof IPrincipal) {
 			// overwrite Sabre/Dav's implementation
-			$propFind->handle(self::CALENDAR_USER_TYPE, function () use ($node) {
+			$propFind->handle(self::CALENDAR_USER_TYPE, function() use ($node) {
 				if ($node instanceof IProperties) {
 					$props = $node->getProperties([self::CALENDAR_USER_TYPE]);
 
@@ -207,7 +207,7 @@ 
 		}
 
 		$dtstart = $vevent->DTSTART;
-		$dtend =  $this->getDTEndFromVEvent($vevent);
+		$dtend = $this->getDTEndFromVEvent($vevent);
 		$uid = $vevent->UID->getValue();
 		$sequence = isset($vevent->SEQUENCE) ? $vevent->SEQUENCE->getValue() : 0;
 		$recurrenceId = isset($vevent->{'RECURRENCE-ID'}) ? $vevent->{'RECURRENCE-ID'}->serialize() : '';
@@ -279,7 +279,7 @@ 
 	 */
 	public function propFindDefaultCalendarUrl(PropFind $propFind, INode $node) {
 		if ($node instanceof IPrincipal) {
-			$propFind->handle(self::SCHEDULE_DEFAULT_CALENDAR_URL, function () use ($node) {
+			$propFind->handle(self::SCHEDULE_DEFAULT_CALENDAR_URL, function() use ($node) {
 				/** @var \OCA\DAV\CalDAV\Plugin $caldavPlugin */
 				$caldavPlugin = $this->server->getPlugin('caldav');
 				$principalUrl = $node->getPrincipalUrl();
@@ -311,7 +311,7 @@ 
 					]);
 				}
 
-				$result = $this->server->getPropertiesForPath($calendarHomePath . '/' . $uri, [], 1);
+				$result = $this->server->getPropertiesForPath($calendarHomePath.'/'.$uri, [], 1);
 				if (empty($result)) {
 					return null;
 				}
@@ -327,8 +327,8 @@ 
 	 * @param string $principal
 	 * @return string|null
 	 */
-	protected function getCalendarUserTypeForPrincipal($principal):?string {
-		$calendarUserType = '{' . self::NS_CALDAV . '}calendar-user-type';
+	protected function getCalendarUserTypeForPrincipal($principal): ?string {
+		$calendarUserType = '{'.self::NS_CALDAV.'}calendar-user-type';
 		$properties = $this->server->getProperties(
 			$principal,
 			[$calendarUserType]
@@ -346,7 +346,7 @@ 
 	 * @param ITip\Message $iTipMessage
 	 * @return null|Property
 	 */
-	private function getCurrentAttendee(ITip\Message $iTipMessage):?Property {
+	private function getCurrentAttendee(ITip\Message $iTipMessage): ?Property {
 		/** @var VEvent $vevent */
 		$vevent = $iTipMessage->message->VEVENT;
 		$attendees = $vevent->select('ATTENDEE');
@@ -424,8 +424,8 @@ 
 			['{http://sabredav.org/ns}email-address' => $this->stripOffMailTo($email)],
 			[
 				'{DAV:}principal-URL',
-				'{' . self::NS_CALDAV . '}calendar-home-set',
-				'{' . self::NS_CALDAV . '}schedule-inbox-URL',
+				'{'.self::NS_CALDAV.'}calendar-home-set',
+				'{'.self::NS_CALDAV.'}schedule-inbox-URL',
 				'{http://sabredav.org/ns}email-address',
 
 			]
@@ -437,7 +437,7 @@ 
 		$objects = [];
 		$calendarTimeZone = new DateTimeZone('UTC');
 
-		$homePath = $result[0][200]['{' . self::NS_CALDAV . '}calendar-home-set']->getHref();
+		$homePath = $result[0][200]['{'.self::NS_CALDAV.'}calendar-home-set']->getHref();
 		foreach ($this->server->tree->getNodeForPath($homePath)->getChildren() as $node) {
 			if (!$node instanceof ICalendar) {
 				continue;
@@ -488,8 +488,8 @@ 
 		}
 
 		$inboxProps = $this->server->getProperties(
-			$result[0][200]['{' . self::NS_CALDAV . '}schedule-inbox-URL']->getHref(),
-			['{' . self::NS_CALDAV . '}calendar-availability']
+			$result[0][200]['{'.self::NS_CALDAV.'}schedule-inbox-URL']->getHref(),
+			['{'.self::NS_CALDAV.'}calendar-availability']
 		);
 
 		$vcalendar = new VCalendar();
@@ -501,10 +501,10 @@ 
 		$generator->setBaseObject($vcalendar);
 		$generator->setTimeZone($calendarTimeZone);
 
-		if (isset($inboxProps['{' . self::NS_CALDAV . '}calendar-availability'])) {
+		if (isset($inboxProps['{'.self::NS_CALDAV.'}calendar-availability'])) {
 			$generator->setVAvailability(
 				Reader::read(
-					$inboxProps['{' . self::NS_CALDAV . '}calendar-availability']
+					$inboxProps['{'.self::NS_CALDAV.'}calendar-availability']
 				)
 			);
 		}
@@ -548,7 +548,7 @@ 
 	 * @return string
 	 */
 	private function stripOffMailTo(string $email): string {
-		if (stripos($email, 'mailto:')  === 0) {
+		if (stripos($email, 'mailto:') === 0) {
 			return substr($email, 7);
 		}
 

apps/dav/lib/Connector/Sabre/FilesPlugin.php

Indentation +462 added lines, -462 removed lines

@@ -53,466 +53,466 @@
 
 class FilesPlugin extends ServerPlugin {
 
-	// namespace
-	public const NS_OWNCLOUD = 'http://owncloud.org/ns';
-	public const NS_NEXTCLOUD = 'http://nextcloud.org/ns';
-	public const FILEID_PROPERTYNAME = '{http://owncloud.org/ns}id';
-	public const INTERNAL_FILEID_PROPERTYNAME = '{http://owncloud.org/ns}fileid';
-	public const PERMISSIONS_PROPERTYNAME = '{http://owncloud.org/ns}permissions';
-	public const SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-collaboration-services.org/ns}share-permissions';
-	public const OCM_SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-cloud-mesh.org/ns}share-permissions';
-	public const DOWNLOADURL_PROPERTYNAME = '{http://owncloud.org/ns}downloadURL';
-	public const SIZE_PROPERTYNAME = '{http://owncloud.org/ns}size';
-	public const GETETAG_PROPERTYNAME = '{DAV:}getetag';
-	public const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
-	public const OWNER_ID_PROPERTYNAME = '{http://owncloud.org/ns}owner-id';
-	public const OWNER_DISPLAY_NAME_PROPERTYNAME = '{http://owncloud.org/ns}owner-display-name';
-	public const CHECKSUMS_PROPERTYNAME = '{http://owncloud.org/ns}checksums';
-	public const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
-	public const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
-	public const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
-	public const IS_ENCRYPTED_PROPERTYNAME = '{http://nextcloud.org/ns}is-encrypted';
-	public const METADATA_ETAG_PROPERTYNAME = '{http://nextcloud.org/ns}metadata_etag';
-	public const UPLOAD_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}upload_time';
-	public const CREATION_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}creation_time';
-	public const SHARE_NOTE = '{http://nextcloud.org/ns}note';
-
-	/**
-	 * Reference to main server object
-	 *
-	 * @var \Sabre\DAV\Server
-	 */
-	private $server;
-
-	/**
-	 * @var Tree
-	 */
-	private $tree;
-
-	/**
-	 * Whether this is public webdav.
-	 * If true, some returned information will be stripped off.
-	 *
-	 * @var bool
-	 */
-	private $isPublic;
-
-	/**
-	 * @var bool
-	 */
-	private $downloadAttachment;
-
-	/**
-	 * @var IConfig
-	 */
-	private $config;
-
-	/**
-	 * @var IRequest
-	 */
-	private $request;
-
-	/**
-	 * @var IPreview
-	 */
-	private $previewManager;
-
-	/**
-	 * @param Tree $tree
-	 * @param IConfig $config
-	 * @param IRequest $request
-	 * @param IPreview $previewManager
-	 * @param bool $isPublic
-	 * @param bool $downloadAttachment
-	 */
-	public function __construct(Tree $tree,
-								IConfig $config,
-								IRequest $request,
-								IPreview $previewManager,
-								$isPublic = false,
-								$downloadAttachment = true) {
-		$this->tree = $tree;
-		$this->config = $config;
-		$this->request = $request;
-		$this->isPublic = $isPublic;
-		$this->downloadAttachment = $downloadAttachment;
-		$this->previewManager = $previewManager;
-	}
-
-	/**
-	 * This initializes the plugin.
-	 *
-	 * This function is called by \Sabre\DAV\Server, after
-	 * addPlugin is called.
-	 *
-	 * This method should set up the required event subscriptions.
-	 *
-	 * @param \Sabre\DAV\Server $server
-	 * @return void
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-		$server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
-		$server->xml->namespaceMap[self::NS_NEXTCLOUD] = 'nc';
-		$server->protectedProperties[] = self::FILEID_PROPERTYNAME;
-		$server->protectedProperties[] = self::INTERNAL_FILEID_PROPERTYNAME;
-		$server->protectedProperties[] = self::PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::SHARE_PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::OCM_SHARE_PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::SIZE_PROPERTYNAME;
-		$server->protectedProperties[] = self::DOWNLOADURL_PROPERTYNAME;
-		$server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
-		$server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
-		$server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
-		$server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
-		$server->protectedProperties[] = self::HAS_PREVIEW_PROPERTYNAME;
-		$server->protectedProperties[] = self::MOUNT_TYPE_PROPERTYNAME;
-		$server->protectedProperties[] = self::IS_ENCRYPTED_PROPERTYNAME;
-		$server->protectedProperties[] = self::SHARE_NOTE;
-
-		// normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
-		$allowedProperties = ['{DAV:}getetag'];
-		$server->protectedProperties = array_diff($server->protectedProperties, $allowedProperties);
-
-		$this->server = $server;
-		$this->server->on('propFind', [$this, 'handleGetProperties']);
-		$this->server->on('propPatch', [$this, 'handleUpdateProperties']);
-		$this->server->on('afterBind', [$this, 'sendFileIdHeader']);
-		$this->server->on('afterWriteContent', [$this, 'sendFileIdHeader']);
-		$this->server->on('afterMethod:GET', [$this,'httpGet']);
-		$this->server->on('afterMethod:GET', [$this, 'handleDownloadToken']);
-		$this->server->on('afterResponse', function ($request, ResponseInterface $response) {
-			$body = $response->getBody();
-			if (is_resource($body)) {
-				fclose($body);
-			}
-		});
-		$this->server->on('beforeMove', [$this, 'checkMove']);
-	}
-
-	/**
-	 * Plugin that checks if a move can actually be performed.
-	 *
-	 * @param string $source source path
-	 * @param string $destination destination path
-	 * @throws Forbidden
-	 * @throws NotFound
-	 */
-	public function checkMove($source, $destination) {
-		$sourceNode = $this->tree->getNodeForPath($source);
-		if (!$sourceNode instanceof Node) {
-			return;
-		}
-		list($sourceDir,) = \Sabre\Uri\split($source);
-		list($destinationDir,) = \Sabre\Uri\split($destination);
-
-		if ($sourceDir !== $destinationDir) {
-			$sourceNodeFileInfo = $sourceNode->getFileInfo();
-			if ($sourceNodeFileInfo === null) {
-				throw new NotFound($source . ' does not exist');
-			}
-
-			if (!$sourceNodeFileInfo->isDeletable()) {
-				throw new Forbidden($source . " cannot be deleted");
-			}
-		}
-	}
-
-	/**
-	 * This sets a cookie to be able to recognize the start of the download
-	 * the content must not be longer than 32 characters and must only contain
-	 * alphanumeric characters
-	 *
-	 * @param RequestInterface $request
-	 * @param ResponseInterface $response
-	 */
-	public function handleDownloadToken(RequestInterface $request, ResponseInterface $response) {
-		$queryParams = $request->getQueryParameters();
-
-		/**
-		 * this sets a cookie to be able to recognize the start of the download
-		 * the content must not be longer than 32 characters and must only contain
-		 * alphanumeric characters
-		 */
-		if (isset($queryParams['downloadStartSecret'])) {
-			$token = $queryParams['downloadStartSecret'];
-			if (!isset($token[32])
-				&& preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {
-				// FIXME: use $response->setHeader() instead
-				setcookie('ocDownloadStarted', $token, time() + 20, '/');
-			}
-		}
-	}
-
-	/**
-	 * Add headers to file download
-	 *
-	 * @param RequestInterface $request
-	 * @param ResponseInterface $response
-	 */
-	public function httpGet(RequestInterface $request, ResponseInterface $response) {
-		// Only handle valid files
-		$node = $this->tree->getNodeForPath($request->getPath());
-		if (!($node instanceof IFile)) {
-			return;
-		}
-
-		// adds a 'Content-Disposition: attachment' header in case no disposition
-		// header has been set before
-		if ($this->downloadAttachment &&
-			$response->getHeader('Content-Disposition') === null) {
-			$filename = $node->getName();
-			if ($this->request->isUserAgent(
-				[
-					Request::USER_AGENT_IE,
-					Request::USER_AGENT_ANDROID_MOBILE_CHROME,
-					Request::USER_AGENT_FREEBOX,
-				])) {
-				$response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
-			} else {
-				$response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
-													 . '; filename="' . rawurlencode($filename) . '"');
-			}
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
-			//Add OC-Checksum header
-			$checksum = $node->getChecksum();
-			if ($checksum !== null && $checksum !== '') {
-				$response->addHeader('OC-Checksum', $checksum);
-			}
-		}
-	}
-
-	/**
-	 * Adds all ownCloud-specific properties
-	 *
-	 * @param PropFind $propFind
-	 * @param \Sabre\DAV\INode $node
-	 * @return void
-	 */
-	public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
-		$httpRequest = $this->server->httpRequest;
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			/**
-			 * This was disabled, because it made dir listing throw an exception,
-			 * so users were unable to navigate into folders where one subitem
-			 * is blocked by the files_accesscontrol app, see:
-			 * https://github.com/nextcloud/files_accesscontrol/issues/65
-			 * if (!$node->getFileInfo()->isReadable()) {
-			 *     // avoid detecting files through this means
-			 *     throw new NotFound();
-			 * }
-			 */
-
-			$propFind->handle(self::FILEID_PROPERTYNAME, function () use ($node) {
-				return $node->getFileId();
-			});
-
-			$propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function () use ($node) {
-				return $node->getInternalFileId();
-			});
-
-			$propFind->handle(self::PERMISSIONS_PROPERTYNAME, function () use ($node) {
-				$perms = $node->getDavPermissions();
-				if ($this->isPublic) {
-					// remove mount information
-					$perms = str_replace(['S', 'M'], '', $perms);
-				}
-				return $perms;
-			});
-
-			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
-				return $node->getSharePermissions(
-					$httpRequest->getRawServerValue('PHP_AUTH_USER')
-				);
-			});
-
-			$propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
-				$ncPermissions = $node->getSharePermissions(
-					$httpRequest->getRawServerValue('PHP_AUTH_USER')
-				);
-				$ocmPermissions = $this->ncPermissions2ocmPermissions($ncPermissions);
-				return json_encode($ocmPermissions);
-			});
-
-			$propFind->handle(self::GETETAG_PROPERTYNAME, function () use ($node) {
-				return $node->getETag();
-			});
-
-			$propFind->handle(self::OWNER_ID_PROPERTYNAME, function () use ($node) {
-				$owner = $node->getOwner();
-				if (!$owner) {
-					return null;
-				} else {
-					return $owner->getUID();
-				}
-			});
-			$propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function () use ($node) {
-				$owner = $node->getOwner();
-				if (!$owner) {
-					return null;
-				} else {
-					return $owner->getDisplayName();
-				}
-			});
-
-			$propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
-				return json_encode($this->previewManager->isAvailable($node->getFileInfo()));
-			});
-			$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
-				return $node->getSize();
-			});
-			$propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->getMountPoint()->getMountType();
-			});
-
-			$propFind->handle(self::SHARE_NOTE, function () use ($node, $httpRequest) {
-				return $node->getNoteFromShare(
-					$httpRequest->getRawServerValue('PHP_AUTH_USER')
-				);
-			});
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () use ($node) {
-				return $this->config->getSystemValue('data-fingerprint', '');
-			});
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
-			$propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function () use ($node) {
-				try {
-					$directDownloadUrl = $node->getDirectDownload();
-					if (isset($directDownloadUrl['url'])) {
-						return $directDownloadUrl['url'];
-					}
-				} catch (StorageNotAvailableException $e) {
-					return false;
-				} catch (ForbiddenException $e) {
-					return false;
-				}
-				return false;
-			});
-
-			$propFind->handle(self::CHECKSUMS_PROPERTYNAME, function () use ($node) {
-				$checksum = $node->getChecksum();
-				if ($checksum === null || $checksum === '') {
-					return null;
-				}
-
-				return new ChecksumList($checksum);
-			});
-
-			$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->getCreationTime();
-			});
-
-			$propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->getUploadTime();
-			});
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Directory) {
-			$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
-				return $node->getSize();
-			});
-
-			$propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->isEncrypted() ? '1' : '0';
-			});
-		}
-	}
-
-	/**
-	 * translate Nextcloud permissions to OCM Permissions
-	 *
-	 * @param $ncPermissions
-	 * @return array
-	 */
-	protected function ncPermissions2ocmPermissions($ncPermissions) {
-		$ocmPermissions = [];
-
-		if ($ncPermissions & Constants::PERMISSION_SHARE) {
-			$ocmPermissions[] = 'share';
-		}
-
-		if ($ncPermissions & Constants::PERMISSION_READ) {
-			$ocmPermissions[] = 'read';
-		}
-
-		if (($ncPermissions & Constants::PERMISSION_CREATE) ||
-			($ncPermissions & Constants::PERMISSION_UPDATE)) {
-			$ocmPermissions[] = 'write';
-		}
-
-		return $ocmPermissions;
-	}
-
-	/**
-	 * Update ownCloud-specific properties
-	 *
-	 * @param string $path
-	 * @param PropPatch $propPatch
-	 *
-	 * @return void
-	 */
-	public function handleUpdateProperties($path, PropPatch $propPatch) {
-		$node = $this->tree->getNodeForPath($path);
-		if (!($node instanceof \OCA\DAV\Connector\Sabre\Node)) {
-			return;
-		}
-
-		$propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function ($time) use ($node) {
-			if (empty($time)) {
-				return false;
-			}
-			$node->touch($time);
-			return true;
-		});
-		$propPatch->handle(self::GETETAG_PROPERTYNAME, function ($etag) use ($node) {
-			if (empty($etag)) {
-				return false;
-			}
-			if ($node->setEtag($etag) !== -1) {
-				return true;
-			}
-			return false;
-		});
-		$propPatch->handle(self::CREATION_TIME_PROPERTYNAME, function ($time) use ($node) {
-			if (empty($time)) {
-				return false;
-			}
-			$node->setCreationTime((int) $time);
-			return true;
-		});
-	}
-
-	/**
-	 * @param string $filePath
-	 * @param \Sabre\DAV\INode $node
-	 * @throws \Sabre\DAV\Exception\BadRequest
-	 */
-	public function sendFileIdHeader($filePath, \Sabre\DAV\INode $node = null) {
-		// chunked upload handling
-		if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
-			list($path, $name) = \Sabre\Uri\split($filePath);
-			$info = \OC_FileChunking::decodeName($name);
-			if (!empty($info)) {
-				$filePath = $path . '/' . $info['name'];
-			}
-		}
-
-		// we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
-		if (!$this->server->tree->nodeExists($filePath)) {
-			return;
-		}
-		$node = $this->server->tree->getNodeForPath($filePath);
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			$fileId = $node->getFileId();
-			if (!is_null($fileId)) {
-				$this->server->httpResponse->setHeader('OC-FileId', $fileId);
-			}
-		}
-	}
+    // namespace
+    public const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    public const NS_NEXTCLOUD = 'http://nextcloud.org/ns';
+    public const FILEID_PROPERTYNAME = '{http://owncloud.org/ns}id';
+    public const INTERNAL_FILEID_PROPERTYNAME = '{http://owncloud.org/ns}fileid';
+    public const PERMISSIONS_PROPERTYNAME = '{http://owncloud.org/ns}permissions';
+    public const SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-collaboration-services.org/ns}share-permissions';
+    public const OCM_SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-cloud-mesh.org/ns}share-permissions';
+    public const DOWNLOADURL_PROPERTYNAME = '{http://owncloud.org/ns}downloadURL';
+    public const SIZE_PROPERTYNAME = '{http://owncloud.org/ns}size';
+    public const GETETAG_PROPERTYNAME = '{DAV:}getetag';
+    public const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
+    public const OWNER_ID_PROPERTYNAME = '{http://owncloud.org/ns}owner-id';
+    public const OWNER_DISPLAY_NAME_PROPERTYNAME = '{http://owncloud.org/ns}owner-display-name';
+    public const CHECKSUMS_PROPERTYNAME = '{http://owncloud.org/ns}checksums';
+    public const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
+    public const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
+    public const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
+    public const IS_ENCRYPTED_PROPERTYNAME = '{http://nextcloud.org/ns}is-encrypted';
+    public const METADATA_ETAG_PROPERTYNAME = '{http://nextcloud.org/ns}metadata_etag';
+    public const UPLOAD_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}upload_time';
+    public const CREATION_TIME_PROPERTYNAME = '{http://nextcloud.org/ns}creation_time';
+    public const SHARE_NOTE = '{http://nextcloud.org/ns}note';
+
+    /**
+     * Reference to main server object
+     *
+     * @var \Sabre\DAV\Server
+     */
+    private $server;
+
+    /**
+     * @var Tree
+     */
+    private $tree;
+
+    /**
+     * Whether this is public webdav.
+     * If true, some returned information will be stripped off.
+     *
+     * @var bool
+     */
+    private $isPublic;
+
+    /**
+     * @var bool
+     */
+    private $downloadAttachment;
+
+    /**
+     * @var IConfig
+     */
+    private $config;
+
+    /**
+     * @var IRequest
+     */
+    private $request;
+
+    /**
+     * @var IPreview
+     */
+    private $previewManager;
+
+    /**
+     * @param Tree $tree
+     * @param IConfig $config
+     * @param IRequest $request
+     * @param IPreview $previewManager
+     * @param bool $isPublic
+     * @param bool $downloadAttachment
+     */
+    public function __construct(Tree $tree,
+                                IConfig $config,
+                                IRequest $request,
+                                IPreview $previewManager,
+                                $isPublic = false,
+                                $downloadAttachment = true) {
+        $this->tree = $tree;
+        $this->config = $config;
+        $this->request = $request;
+        $this->isPublic = $isPublic;
+        $this->downloadAttachment = $downloadAttachment;
+        $this->previewManager = $previewManager;
+    }
+
+    /**
+     * This initializes the plugin.
+     *
+     * This function is called by \Sabre\DAV\Server, after
+     * addPlugin is called.
+     *
+     * This method should set up the required event subscriptions.
+     *
+     * @param \Sabre\DAV\Server $server
+     * @return void
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+        $server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
+        $server->xml->namespaceMap[self::NS_NEXTCLOUD] = 'nc';
+        $server->protectedProperties[] = self::FILEID_PROPERTYNAME;
+        $server->protectedProperties[] = self::INTERNAL_FILEID_PROPERTYNAME;
+        $server->protectedProperties[] = self::PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::SHARE_PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::OCM_SHARE_PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::SIZE_PROPERTYNAME;
+        $server->protectedProperties[] = self::DOWNLOADURL_PROPERTYNAME;
+        $server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
+        $server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
+        $server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
+        $server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
+        $server->protectedProperties[] = self::HAS_PREVIEW_PROPERTYNAME;
+        $server->protectedProperties[] = self::MOUNT_TYPE_PROPERTYNAME;
+        $server->protectedProperties[] = self::IS_ENCRYPTED_PROPERTYNAME;
+        $server->protectedProperties[] = self::SHARE_NOTE;
+
+        // normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
+        $allowedProperties = ['{DAV:}getetag'];
+        $server->protectedProperties = array_diff($server->protectedProperties, $allowedProperties);
+
+        $this->server = $server;
+        $this->server->on('propFind', [$this, 'handleGetProperties']);
+        $this->server->on('propPatch', [$this, 'handleUpdateProperties']);
+        $this->server->on('afterBind', [$this, 'sendFileIdHeader']);
+        $this->server->on('afterWriteContent', [$this, 'sendFileIdHeader']);
+        $this->server->on('afterMethod:GET', [$this,'httpGet']);
+        $this->server->on('afterMethod:GET', [$this, 'handleDownloadToken']);
+        $this->server->on('afterResponse', function ($request, ResponseInterface $response) {
+            $body = $response->getBody();
+            if (is_resource($body)) {
+                fclose($body);
+            }
+        });
+        $this->server->on('beforeMove', [$this, 'checkMove']);
+    }
+
+    /**
+     * Plugin that checks if a move can actually be performed.
+     *
+     * @param string $source source path
+     * @param string $destination destination path
+     * @throws Forbidden
+     * @throws NotFound
+     */
+    public function checkMove($source, $destination) {
+        $sourceNode = $this->tree->getNodeForPath($source);
+        if (!$sourceNode instanceof Node) {
+            return;
+        }
+        list($sourceDir,) = \Sabre\Uri\split($source);
+        list($destinationDir,) = \Sabre\Uri\split($destination);
+
+        if ($sourceDir !== $destinationDir) {
+            $sourceNodeFileInfo = $sourceNode->getFileInfo();
+            if ($sourceNodeFileInfo === null) {
+                throw new NotFound($source . ' does not exist');
+            }
+
+            if (!$sourceNodeFileInfo->isDeletable()) {
+                throw new Forbidden($source . " cannot be deleted");
+            }
+        }
+    }
+
+    /**
+     * This sets a cookie to be able to recognize the start of the download
+     * the content must not be longer than 32 characters and must only contain
+     * alphanumeric characters
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     */
+    public function handleDownloadToken(RequestInterface $request, ResponseInterface $response) {
+        $queryParams = $request->getQueryParameters();
+
+        /**
+         * this sets a cookie to be able to recognize the start of the download
+         * the content must not be longer than 32 characters and must only contain
+         * alphanumeric characters
+         */
+        if (isset($queryParams['downloadStartSecret'])) {
+            $token = $queryParams['downloadStartSecret'];
+            if (!isset($token[32])
+                && preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {
+                // FIXME: use $response->setHeader() instead
+                setcookie('ocDownloadStarted', $token, time() + 20, '/');
+            }
+        }
+    }
+
+    /**
+     * Add headers to file download
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     */
+    public function httpGet(RequestInterface $request, ResponseInterface $response) {
+        // Only handle valid files
+        $node = $this->tree->getNodeForPath($request->getPath());
+        if (!($node instanceof IFile)) {
+            return;
+        }
+
+        // adds a 'Content-Disposition: attachment' header in case no disposition
+        // header has been set before
+        if ($this->downloadAttachment &&
+            $response->getHeader('Content-Disposition') === null) {
+            $filename = $node->getName();
+            if ($this->request->isUserAgent(
+                [
+                    Request::USER_AGENT_IE,
+                    Request::USER_AGENT_ANDROID_MOBILE_CHROME,
+                    Request::USER_AGENT_FREEBOX,
+                ])) {
+                $response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
+            } else {
+                $response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
+                                                        . '; filename="' . rawurlencode($filename) . '"');
+            }
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
+            //Add OC-Checksum header
+            $checksum = $node->getChecksum();
+            if ($checksum !== null && $checksum !== '') {
+                $response->addHeader('OC-Checksum', $checksum);
+            }
+        }
+    }
+
+    /**
+     * Adds all ownCloud-specific properties
+     *
+     * @param PropFind $propFind
+     * @param \Sabre\DAV\INode $node
+     * @return void
+     */
+    public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
+        $httpRequest = $this->server->httpRequest;
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            /**
+             * This was disabled, because it made dir listing throw an exception,
+             * so users were unable to navigate into folders where one subitem
+             * is blocked by the files_accesscontrol app, see:
+             * https://github.com/nextcloud/files_accesscontrol/issues/65
+             * if (!$node->getFileInfo()->isReadable()) {
+             *     // avoid detecting files through this means
+             *     throw new NotFound();
+             * }
+             */
+
+            $propFind->handle(self::FILEID_PROPERTYNAME, function () use ($node) {
+                return $node->getFileId();
+            });
+
+            $propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function () use ($node) {
+                return $node->getInternalFileId();
+            });
+
+            $propFind->handle(self::PERMISSIONS_PROPERTYNAME, function () use ($node) {
+                $perms = $node->getDavPermissions();
+                if ($this->isPublic) {
+                    // remove mount information
+                    $perms = str_replace(['S', 'M'], '', $perms);
+                }
+                return $perms;
+            });
+
+            $propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
+                return $node->getSharePermissions(
+                    $httpRequest->getRawServerValue('PHP_AUTH_USER')
+                );
+            });
+
+            $propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
+                $ncPermissions = $node->getSharePermissions(
+                    $httpRequest->getRawServerValue('PHP_AUTH_USER')
+                );
+                $ocmPermissions = $this->ncPermissions2ocmPermissions($ncPermissions);
+                return json_encode($ocmPermissions);
+            });
+
+            $propFind->handle(self::GETETAG_PROPERTYNAME, function () use ($node) {
+                return $node->getETag();
+            });
+
+            $propFind->handle(self::OWNER_ID_PROPERTYNAME, function () use ($node) {
+                $owner = $node->getOwner();
+                if (!$owner) {
+                    return null;
+                } else {
+                    return $owner->getUID();
+                }
+            });
+            $propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function () use ($node) {
+                $owner = $node->getOwner();
+                if (!$owner) {
+                    return null;
+                } else {
+                    return $owner->getDisplayName();
+                }
+            });
+
+            $propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
+                return json_encode($this->previewManager->isAvailable($node->getFileInfo()));
+            });
+            $propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
+                return $node->getSize();
+            });
+            $propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
+                return $node->getFileInfo()->getMountPoint()->getMountType();
+            });
+
+            $propFind->handle(self::SHARE_NOTE, function () use ($node, $httpRequest) {
+                return $node->getNoteFromShare(
+                    $httpRequest->getRawServerValue('PHP_AUTH_USER')
+                );
+            });
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            $propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () use ($node) {
+                return $this->config->getSystemValue('data-fingerprint', '');
+            });
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
+            $propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function () use ($node) {
+                try {
+                    $directDownloadUrl = $node->getDirectDownload();
+                    if (isset($directDownloadUrl['url'])) {
+                        return $directDownloadUrl['url'];
+                    }
+                } catch (StorageNotAvailableException $e) {
+                    return false;
+                } catch (ForbiddenException $e) {
+                    return false;
+                }
+                return false;
+            });
+
+            $propFind->handle(self::CHECKSUMS_PROPERTYNAME, function () use ($node) {
+                $checksum = $node->getChecksum();
+                if ($checksum === null || $checksum === '') {
+                    return null;
+                }
+
+                return new ChecksumList($checksum);
+            });
+
+            $propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
+                return $node->getFileInfo()->getCreationTime();
+            });
+
+            $propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function () use ($node) {
+                return $node->getFileInfo()->getUploadTime();
+            });
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Directory) {
+            $propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
+                return $node->getSize();
+            });
+
+            $propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function () use ($node) {
+                return $node->getFileInfo()->isEncrypted() ? '1' : '0';
+            });
+        }
+    }
+
+    /**
+     * translate Nextcloud permissions to OCM Permissions
+     *
+     * @param $ncPermissions
+     * @return array
+     */
+    protected function ncPermissions2ocmPermissions($ncPermissions) {
+        $ocmPermissions = [];
+
+        if ($ncPermissions & Constants::PERMISSION_SHARE) {
+            $ocmPermissions[] = 'share';
+        }
+
+        if ($ncPermissions & Constants::PERMISSION_READ) {
+            $ocmPermissions[] = 'read';
+        }
+
+        if (($ncPermissions & Constants::PERMISSION_CREATE) ||
+            ($ncPermissions & Constants::PERMISSION_UPDATE)) {
+            $ocmPermissions[] = 'write';
+        }
+
+        return $ocmPermissions;
+    }
+
+    /**
+     * Update ownCloud-specific properties
+     *
+     * @param string $path
+     * @param PropPatch $propPatch
+     *
+     * @return void
+     */
+    public function handleUpdateProperties($path, PropPatch $propPatch) {
+        $node = $this->tree->getNodeForPath($path);
+        if (!($node instanceof \OCA\DAV\Connector\Sabre\Node)) {
+            return;
+        }
+
+        $propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function ($time) use ($node) {
+            if (empty($time)) {
+                return false;
+            }
+            $node->touch($time);
+            return true;
+        });
+        $propPatch->handle(self::GETETAG_PROPERTYNAME, function ($etag) use ($node) {
+            if (empty($etag)) {
+                return false;
+            }
+            if ($node->setEtag($etag) !== -1) {
+                return true;
+            }
+            return false;
+        });
+        $propPatch->handle(self::CREATION_TIME_PROPERTYNAME, function ($time) use ($node) {
+            if (empty($time)) {
+                return false;
+            }
+            $node->setCreationTime((int) $time);
+            return true;
+        });
+    }
+
+    /**
+     * @param string $filePath
+     * @param \Sabre\DAV\INode $node
+     * @throws \Sabre\DAV\Exception\BadRequest
+     */
+    public function sendFileIdHeader($filePath, \Sabre\DAV\INode $node = null) {
+        // chunked upload handling
+        if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
+            list($path, $name) = \Sabre\Uri\split($filePath);
+            $info = \OC_FileChunking::decodeName($name);
+            if (!empty($info)) {
+                $filePath = $path . '/' . $info['name'];
+            }
+        }
+
+        // we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
+        if (!$this->server->tree->nodeExists($filePath)) {
+            return;
+        }
+        $node = $this->server->tree->getNodeForPath($filePath);
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            $fileId = $node->getFileId();
+            if (!is_null($fileId)) {
+                $this->server->httpResponse->setHeader('OC-FileId', $fileId);
+            }
+        }
+    }
 }

Spacing +30 added lines, -30 removed lines

@@ -178,9 +178,9 @@ 
 		$this->server->on('propPatch', [$this, 'handleUpdateProperties']);
 		$this->server->on('afterBind', [$this, 'sendFileIdHeader']);
 		$this->server->on('afterWriteContent', [$this, 'sendFileIdHeader']);
-		$this->server->on('afterMethod:GET', [$this,'httpGet']);
+		$this->server->on('afterMethod:GET', [$this, 'httpGet']);
 		$this->server->on('afterMethod:GET', [$this, 'handleDownloadToken']);
-		$this->server->on('afterResponse', function ($request, ResponseInterface $response) {
+		$this->server->on('afterResponse', function($request, ResponseInterface $response) {
 			$body = $response->getBody();
 			if (is_resource($body)) {
 				fclose($body);
@@ -208,11 +208,11 @@ 
 		if ($sourceDir !== $destinationDir) {
 			$sourceNodeFileInfo = $sourceNode->getFileInfo();
 			if ($sourceNodeFileInfo === null) {
-				throw new NotFound($source . ' does not exist');
+				throw new NotFound($source.' does not exist');
 			}
 
 			if (!$sourceNodeFileInfo->isDeletable()) {
-				throw new Forbidden($source . " cannot be deleted");
+				throw new Forbidden($source." cannot be deleted");
 			}
 		}
 	}
@@ -267,10 +267,10 @@ 
 					Request::USER_AGENT_ANDROID_MOBILE_CHROME,
 					Request::USER_AGENT_FREEBOX,
 				])) {
-				$response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
+				$response->addHeader('Content-Disposition', 'attachment; filename="'.rawurlencode($filename).'"');
 			} else {
-				$response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
-													 . '; filename="' . rawurlencode($filename) . '"');
+				$response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\''.rawurlencode($filename)
+													 . '; filename="'.rawurlencode($filename).'"');
 			}
 		}
 
@@ -305,15 +305,15 @@ 
 			 * }
 			 */
 
-			$propFind->handle(self::FILEID_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::FILEID_PROPERTYNAME, function() use ($node) {
 				return $node->getFileId();
 			});
 
-			$propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function() use ($node) {
 				return $node->getInternalFileId();
 			});
 
-			$propFind->handle(self::PERMISSIONS_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::PERMISSIONS_PROPERTYNAME, function() use ($node) {
 				$perms = $node->getDavPermissions();
 				if ($this->isPublic) {
 					// remove mount information
@@ -322,13 +322,13 @@ 
 				return $perms;
 			});
 
-			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
+			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
 				return $node->getSharePermissions(
 					$httpRequest->getRawServerValue('PHP_AUTH_USER')
 				);
 			});
 
-			$propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function () use ($node, $httpRequest) {
+			$propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
 				$ncPermissions = $node->getSharePermissions(
 					$httpRequest->getRawServerValue('PHP_AUTH_USER')
 				);
@@ -336,11 +336,11 @@ 
 				return json_encode($ocmPermissions);
 			});
 
-			$propFind->handle(self::GETETAG_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::GETETAG_PROPERTYNAME, function() use ($node) {
 				return $node->getETag();
 			});
 
-			$propFind->handle(self::OWNER_ID_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::OWNER_ID_PROPERTYNAME, function() use ($node) {
 				$owner = $node->getOwner();
 				if (!$owner) {
 					return null;
@@ -348,7 +348,7 @@ 
 					return $owner->getUID();
 				}
 			});
-			$propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function() use ($node) {
 				$owner = $node->getOwner();
 				if (!$owner) {
 					return null;
@@ -357,17 +357,17 @@ 
 				}
 			});
 
-			$propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function() use ($node) {
 				return json_encode($this->previewManager->isAvailable($node->getFileInfo()));
 			});
-			$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
 				return $node->getSize();
 			});
-			$propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function() use ($node) {
 				return $node->getFileInfo()->getMountPoint()->getMountType();
 			});
 
-			$propFind->handle(self::SHARE_NOTE, function () use ($node, $httpRequest) {
+			$propFind->handle(self::SHARE_NOTE, function() use ($node, $httpRequest) {
 				return $node->getNoteFromShare(
 					$httpRequest->getRawServerValue('PHP_AUTH_USER')
 				);
@@ -375,13 +375,13 @@ 
 		}
 
 		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function() use ($node) {
 				return $this->config->getSystemValue('data-fingerprint', '');
 			});
 		}
 
 		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
-			$propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function() use ($node) {
 				try {
 					$directDownloadUrl = $node->getDirectDownload();
 					if (isset($directDownloadUrl['url'])) {
@@ -395,7 +395,7 @@ 
 				return false;
 			});
 
-			$propFind->handle(self::CHECKSUMS_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::CHECKSUMS_PROPERTYNAME, function() use ($node) {
 				$checksum = $node->getChecksum();
 				if ($checksum === null || $checksum === '') {
 					return null;
@@ -404,21 +404,21 @@ 
 				return new ChecksumList($checksum);
 			});
 
-			$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function() use ($node) {
 				return $node->getFileInfo()->getCreationTime();
 			});
 
-			$propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function() use ($node) {
 				return $node->getFileInfo()->getUploadTime();
 			});
 		}
 
 		if ($node instanceof \OCA\DAV\Connector\Sabre\Directory) {
-			$propFind->handle(self::SIZE_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
 				return $node->getSize();
 			});
 
-			$propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function () use ($node) {
+			$propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function() use ($node) {
 				return $node->getFileInfo()->isEncrypted() ? '1' : '0';
 			});
 		}
@@ -463,14 +463,14 @@ 
 			return;
 		}
 
-		$propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function ($time) use ($node) {
+		$propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function($time) use ($node) {
 			if (empty($time)) {
 				return false;
 			}
 			$node->touch($time);
 			return true;
 		});
-		$propPatch->handle(self::GETETAG_PROPERTYNAME, function ($etag) use ($node) {
+		$propPatch->handle(self::GETETAG_PROPERTYNAME, function($etag) use ($node) {
 			if (empty($etag)) {
 				return false;
 			}
@@ -479,7 +479,7 @@ 
 			}
 			return false;
 		});
-		$propPatch->handle(self::CREATION_TIME_PROPERTYNAME, function ($time) use ($node) {
+		$propPatch->handle(self::CREATION_TIME_PROPERTYNAME, function($time) use ($node) {
 			if (empty($time)) {
 				return false;
 			}
@@ -499,7 +499,7 @@ 
 			list($path, $name) = \Sabre\Uri\split($filePath);
 			$info = \OC_FileChunking::decodeName($name);
 			if (!empty($info)) {
-				$filePath = $path . '/' . $info['name'];
+				$filePath = $path.'/'.$info['name'];
 			}
 		}
 

apps/dav/lib/CardDAV/AddressBookImpl.php

Indentation +285 added lines, -285 removed lines

@@ -40,289 +40,289 @@
 
 class AddressBookImpl implements IAddressBook {
 
-	/** @var CardDavBackend */
-	private $backend;
-
-	/** @var array */
-	private $addressBookInfo;
-
-	/** @var AddressBook */
-	private $addressBook;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/**
-	 * AddressBookImpl constructor.
-	 *
-	 * @param AddressBook $addressBook
-	 * @param array $addressBookInfo
-	 * @param CardDavBackend $backend
-	 * @param IUrlGenerator $urlGenerator
-	 */
-	public function __construct(
-			AddressBook $addressBook,
-			array $addressBookInfo,
-			CardDavBackend $backend,
-			IURLGenerator $urlGenerator) {
-		$this->addressBook = $addressBook;
-		$this->addressBookInfo = $addressBookInfo;
-		$this->backend = $backend;
-		$this->urlGenerator = $urlGenerator;
-	}
-
-	/**
-	 * @return string defining the technical unique key
-	 * @since 5.0.0
-	 */
-	public function getKey() {
-		return $this->addressBookInfo['id'];
-	}
-
-	/**
-	 * @return string defining the unique uri
-	 * @since 16.0.0
-	 */
-	public function getUri(): string {
-		return $this->addressBookInfo['uri'];
-	}
-
-	/**
-	 * In comparison to getKey() this function returns a human readable (maybe translated) name
-	 *
-	 * @return mixed
-	 * @since 5.0.0
-	 */
-	public function getDisplayName() {
-		return $this->addressBookInfo['{DAV:}displayname'];
-	}
-
-	/**
-	 * @param string $pattern which should match within the $searchProperties
-	 * @param array $searchProperties defines the properties within the query pattern should match
-	 * @param array $options Options to define the output format and search behavior
-	 * 	- 'types' boolean (since 15.0.0) If set to true, fields that come with a TYPE property will be an array
-	 *    example: ['id' => 5, 'FN' => 'Thomas Tanghus', 'EMAIL' => ['type => 'HOME', 'value' => 'g@h.i']]
-	 * 	- 'escape_like_param' - If set to false wildcards _ and % are not escaped
-	 * 	- 'limit' - Set a numeric limit for the search results
-	 * 	- 'offset' - Set the offset for the limited search results
-	 * @return array an array of contacts which are arrays of key-value-pairs
-	 *  example result:
-	 *  [
-	 *		['id' => 0, 'FN' => 'Thomas Müller', 'EMAIL' => 'a@b.c', 'GEO' => '37.386013;-122.082932'],
-	 *		['id' => 5, 'FN' => 'Thomas Tanghus', 'EMAIL' => ['d@e.f', 'g@h.i']]
-	 *	]
-	 * @since 5.0.0
-	 */
-	public function search($pattern, $searchProperties, $options) {
-		$results = $this->backend->search($this->getKey(), $pattern, $searchProperties, $options);
-
-		$withTypes = \array_key_exists('types', $options) && $options['types'] === true;
-
-		$vCards = [];
-		foreach ($results as $result) {
-			$vCards[] = $this->vCard2Array($result['uri'], $this->readCard($result['carddata']), $withTypes);
-		}
-
-		return $vCards;
-	}
-
-	/**
-	 * @param array $properties this array if key-value-pairs defines a contact
-	 * @return array an array representing the contact just created or updated
-	 * @since 5.0.0
-	 */
-	public function createOrUpdate($properties) {
-		$update = false;
-		if (!isset($properties['URI'])) { // create a new contact
-			$uid = $this->createUid();
-			$uri = $uid . '.vcf';
-			$vCard = $this->createEmptyVCard($uid);
-		} else { // update existing contact
-			$uri = $properties['URI'];
-			$vCardData = $this->backend->getCard($this->getKey(), $uri);
-			$vCard = $this->readCard($vCardData['carddata']);
-			$update = true;
-		}
-
-		foreach ($properties as $key => $value) {
-			$vCard->$key = $vCard->createProperty($key, $value);
-		}
-
-		if ($update) {
-			$this->backend->updateCard($this->getKey(), $uri, $vCard->serialize());
-		} else {
-			$this->backend->createCard($this->getKey(), $uri, $vCard->serialize());
-		}
-
-		return $this->vCard2Array($uri, $vCard);
-	}
-
-	/**
-	 * @return mixed
-	 * @since 5.0.0
-	 */
-	public function getPermissions() {
-		$permissions = $this->addressBook->getACL();
-		$result = 0;
-		foreach ($permissions as $permission) {
-			switch ($permission['privilege']) {
-				case '{DAV:}read':
-					$result |= Constants::PERMISSION_READ;
-					break;
-				case '{DAV:}write':
-					$result |= Constants::PERMISSION_CREATE;
-					$result |= Constants::PERMISSION_UPDATE;
-					break;
-				case '{DAV:}all':
-					$result |= Constants::PERMISSION_ALL;
-					break;
-			}
-		}
-
-		return $result;
-	}
-
-	/**
-	 * @param object $id the unique identifier to a contact
-	 * @return bool successful or not
-	 * @since 5.0.0
-	 */
-	public function delete($id) {
-		$uri = $this->backend->getCardUri($id);
-		return $this->backend->deleteCard($this->addressBookInfo['id'], $uri);
-	}
-
-	/**
-	 * read vCard data into a vCard object
-	 *
-	 * @param string $cardData
-	 * @return VCard
-	 */
-	protected function readCard($cardData) {
-		return  Reader::read($cardData);
-	}
-
-	/**
-	 * create UID for contact
-	 *
-	 * @return string
-	 */
-	protected function createUid() {
-		do {
-			$uid = $this->getUid();
-			$contact = $this->backend->getContact($this->getKey(), $uid . '.vcf');
-		} while (!empty($contact));
-
-		return $uid;
-	}
-
-	/**
-	 * getUid is only there for testing, use createUid instead
-	 */
-	protected function getUid() {
-		return UUIDUtil::getUUID();
-	}
-
-	/**
-	 * create empty vcard
-	 *
-	 * @param string $uid
-	 * @return VCard
-	 */
-	protected function createEmptyVCard($uid) {
-		$vCard = new VCard();
-		$vCard->UID = $uid;
-		return $vCard;
-	}
-
-	/**
-	 * create array with all vCard properties
-	 *
-	 * @param string $uri
-	 * @param VCard $vCard
-	 * @param boolean $withTypes (optional) return the values as arrays of value/type pairs
-	 * @return array
-	 */
-	protected function vCard2Array($uri, VCard $vCard, $withTypes = false) {
-		$result = [
-			'URI' => $uri,
-		];
-
-		foreach ($vCard->children() as $property) {
-			if ($property->name === 'PHOTO' && $property->getValueType() === 'BINARY') {
-				$url = $this->urlGenerator->getAbsoluteURL(
-					$this->urlGenerator->linkTo('', 'remote.php') . '/dav/');
-				$url .= implode('/', [
-					'addressbooks',
-					substr($this->addressBookInfo['principaluri'], 11), //cut off 'principals/'
-					$this->addressBookInfo['uri'],
-					$uri
-				]) . '?photo';
-
-				$result['PHOTO'] = 'VALUE=uri:' . $url;
-			} elseif (in_array($property->name, ['URL', 'GEO', 'CLOUD', 'ADR', 'EMAIL', 'IMPP', 'TEL', 'X-SOCIALPROFILE', 'RELATED', 'LANG', 'X-ADDRESSBOOKSERVER-MEMBER'])) {
-				if (!isset($result[$property->name])) {
-					$result[$property->name] = [];
-				}
-
-				$type = $this->getTypeFromProperty($property);
-				if ($withTypes) {
-					$result[$property->name][] = [
-						'type' => $type,
-						'value' => $property->getValue()
-					];
-				} else {
-					$result[$property->name][] = $property->getValue();
-				}
-			} else {
-				$result[$property->name] = $property->getValue();
-			}
-		}
-
-		if ($this->isSystemAddressBook()) {
-			$result['isLocalSystemBook'] = true;
-		}
-		return $result;
-	}
-
-	/**
-	 * Get the type of the current property
-	 *
-	 * @param Property $property
-	 * @return null|string
-	 */
-	protected function getTypeFromProperty(Property $property) {
-		$parameters = $property->parameters();
-		// Type is the social network, when it's empty we don't need this.
-		if (isset($parameters['TYPE'])) {
-			/** @var \Sabre\VObject\Parameter $type */
-			$type = $parameters['TYPE'];
-			return $type->getValue();
-		}
-
-		return null;
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	public function isShared(): bool {
-		if (!isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return false;
-		}
-
-		return $this->addressBookInfo['principaluri']
-			!== $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'];
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	public function isSystemAddressBook(): bool {
-		return $this->addressBookInfo['principaluri'] === 'principals/system/system' && (
-			$this->addressBookInfo['uri'] === 'system' ||
-			$this->addressBookInfo['{DAV:}displayname'] === $this->urlGenerator->getBaseUrl()
-		);
-	}
+    /** @var CardDavBackend */
+    private $backend;
+
+    /** @var array */
+    private $addressBookInfo;
+
+    /** @var AddressBook */
+    private $addressBook;
+
+    /** @var IURLGenerator */
+    private $urlGenerator;
+
+    /**
+     * AddressBookImpl constructor.
+     *
+     * @param AddressBook $addressBook
+     * @param array $addressBookInfo
+     * @param CardDavBackend $backend
+     * @param IUrlGenerator $urlGenerator
+     */
+    public function __construct(
+            AddressBook $addressBook,
+            array $addressBookInfo,
+            CardDavBackend $backend,
+            IURLGenerator $urlGenerator) {
+        $this->addressBook = $addressBook;
+        $this->addressBookInfo = $addressBookInfo;
+        $this->backend = $backend;
+        $this->urlGenerator = $urlGenerator;
+    }
+
+    /**
+     * @return string defining the technical unique key
+     * @since 5.0.0
+     */
+    public function getKey() {
+        return $this->addressBookInfo['id'];
+    }
+
+    /**
+     * @return string defining the unique uri
+     * @since 16.0.0
+     */
+    public function getUri(): string {
+        return $this->addressBookInfo['uri'];
+    }
+
+    /**
+     * In comparison to getKey() this function returns a human readable (maybe translated) name
+     *
+     * @return mixed
+     * @since 5.0.0
+     */
+    public function getDisplayName() {
+        return $this->addressBookInfo['{DAV:}displayname'];
+    }
+
+    /**
+     * @param string $pattern which should match within the $searchProperties
+     * @param array $searchProperties defines the properties within the query pattern should match
+     * @param array $options Options to define the output format and search behavior
+     * 	- 'types' boolean (since 15.0.0) If set to true, fields that come with a TYPE property will be an array
+     *    example: ['id' => 5, 'FN' => 'Thomas Tanghus', 'EMAIL' => ['type => 'HOME', 'value' => 'g@h.i']]
+     * 	- 'escape_like_param' - If set to false wildcards _ and % are not escaped
+     * 	- 'limit' - Set a numeric limit for the search results
+     * 	- 'offset' - Set the offset for the limited search results
+     * @return array an array of contacts which are arrays of key-value-pairs
+     *  example result:
+     *  [
+     *		['id' => 0, 'FN' => 'Thomas Müller', 'EMAIL' => 'a@b.c', 'GEO' => '37.386013;-122.082932'],
+     *		['id' => 5, 'FN' => 'Thomas Tanghus', 'EMAIL' => ['d@e.f', 'g@h.i']]
+     *	]
+     * @since 5.0.0
+     */
+    public function search($pattern, $searchProperties, $options) {
+        $results = $this->backend->search($this->getKey(), $pattern, $searchProperties, $options);
+
+        $withTypes = \array_key_exists('types', $options) && $options['types'] === true;
+
+        $vCards = [];
+        foreach ($results as $result) {
+            $vCards[] = $this->vCard2Array($result['uri'], $this->readCard($result['carddata']), $withTypes);
+        }
+
+        return $vCards;
+    }
+
+    /**
+     * @param array $properties this array if key-value-pairs defines a contact
+     * @return array an array representing the contact just created or updated
+     * @since 5.0.0
+     */
+    public function createOrUpdate($properties) {
+        $update = false;
+        if (!isset($properties['URI'])) { // create a new contact
+            $uid = $this->createUid();
+            $uri = $uid . '.vcf';
+            $vCard = $this->createEmptyVCard($uid);
+        } else { // update existing contact
+            $uri = $properties['URI'];
+            $vCardData = $this->backend->getCard($this->getKey(), $uri);
+            $vCard = $this->readCard($vCardData['carddata']);
+            $update = true;
+        }
+
+        foreach ($properties as $key => $value) {
+            $vCard->$key = $vCard->createProperty($key, $value);
+        }
+
+        if ($update) {
+            $this->backend->updateCard($this->getKey(), $uri, $vCard->serialize());
+        } else {
+            $this->backend->createCard($this->getKey(), $uri, $vCard->serialize());
+        }
+
+        return $this->vCard2Array($uri, $vCard);
+    }
+
+    /**
+     * @return mixed
+     * @since 5.0.0
+     */
+    public function getPermissions() {
+        $permissions = $this->addressBook->getACL();
+        $result = 0;
+        foreach ($permissions as $permission) {
+            switch ($permission['privilege']) {
+                case '{DAV:}read':
+                    $result |= Constants::PERMISSION_READ;
+                    break;
+                case '{DAV:}write':
+                    $result |= Constants::PERMISSION_CREATE;
+                    $result |= Constants::PERMISSION_UPDATE;
+                    break;
+                case '{DAV:}all':
+                    $result |= Constants::PERMISSION_ALL;
+                    break;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param object $id the unique identifier to a contact
+     * @return bool successful or not
+     * @since 5.0.0
+     */
+    public function delete($id) {
+        $uri = $this->backend->getCardUri($id);
+        return $this->backend->deleteCard($this->addressBookInfo['id'], $uri);
+    }
+
+    /**
+     * read vCard data into a vCard object
+     *
+     * @param string $cardData
+     * @return VCard
+     */
+    protected function readCard($cardData) {
+        return  Reader::read($cardData);
+    }
+
+    /**
+     * create UID for contact
+     *
+     * @return string
+     */
+    protected function createUid() {
+        do {
+            $uid = $this->getUid();
+            $contact = $this->backend->getContact($this->getKey(), $uid . '.vcf');
+        } while (!empty($contact));
+
+        return $uid;
+    }
+
+    /**
+     * getUid is only there for testing, use createUid instead
+     */
+    protected function getUid() {
+        return UUIDUtil::getUUID();
+    }
+
+    /**
+     * create empty vcard
+     *
+     * @param string $uid
+     * @return VCard
+     */
+    protected function createEmptyVCard($uid) {
+        $vCard = new VCard();
+        $vCard->UID = $uid;
+        return $vCard;
+    }
+
+    /**
+     * create array with all vCard properties
+     *
+     * @param string $uri
+     * @param VCard $vCard
+     * @param boolean $withTypes (optional) return the values as arrays of value/type pairs
+     * @return array
+     */
+    protected function vCard2Array($uri, VCard $vCard, $withTypes = false) {
+        $result = [
+            'URI' => $uri,
+        ];
+
+        foreach ($vCard->children() as $property) {
+            if ($property->name === 'PHOTO' && $property->getValueType() === 'BINARY') {
+                $url = $this->urlGenerator->getAbsoluteURL(
+                    $this->urlGenerator->linkTo('', 'remote.php') . '/dav/');
+                $url .= implode('/', [
+                    'addressbooks',
+                    substr($this->addressBookInfo['principaluri'], 11), //cut off 'principals/'
+                    $this->addressBookInfo['uri'],
+                    $uri
+                ]) . '?photo';
+
+                $result['PHOTO'] = 'VALUE=uri:' . $url;
+            } elseif (in_array($property->name, ['URL', 'GEO', 'CLOUD', 'ADR', 'EMAIL', 'IMPP', 'TEL', 'X-SOCIALPROFILE', 'RELATED', 'LANG', 'X-ADDRESSBOOKSERVER-MEMBER'])) {
+                if (!isset($result[$property->name])) {
+                    $result[$property->name] = [];
+                }
+
+                $type = $this->getTypeFromProperty($property);
+                if ($withTypes) {
+                    $result[$property->name][] = [
+                        'type' => $type,
+                        'value' => $property->getValue()
+                    ];
+                } else {
+                    $result[$property->name][] = $property->getValue();
+                }
+            } else {
+                $result[$property->name] = $property->getValue();
+            }
+        }
+
+        if ($this->isSystemAddressBook()) {
+            $result['isLocalSystemBook'] = true;
+        }
+        return $result;
+    }
+
+    /**
+     * Get the type of the current property
+     *
+     * @param Property $property
+     * @return null|string
+     */
+    protected function getTypeFromProperty(Property $property) {
+        $parameters = $property->parameters();
+        // Type is the social network, when it's empty we don't need this.
+        if (isset($parameters['TYPE'])) {
+            /** @var \Sabre\VObject\Parameter $type */
+            $type = $parameters['TYPE'];
+            return $type->getValue();
+        }
+
+        return null;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isShared(): bool {
+        if (!isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return false;
+        }
+
+        return $this->addressBookInfo['principaluri']
+            !== $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isSystemAddressBook(): bool {
+        return $this->addressBookInfo['principaluri'] === 'principals/system/system' && (
+            $this->addressBookInfo['uri'] === 'system' ||
+            $this->addressBookInfo['{DAV:}displayname'] === $this->urlGenerator->getBaseUrl()
+        );
+    }
 }