Folder::delete() - Code Metrics - Inspection of "Merge pull request #26874 from nextcloud/single-qu..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 4c60ff...437d93 )

by Julius

created 2021-06-16 07:07 UTC

Folder::delete() A

↳ Parent: Folder

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	9
nc	2
nop	0
dl	0
loc	10
rs	9.9666
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Arthur Schiwon <[email protected]>
 * @author Christoph Wurst <[email protected]>
 * @author Georg Ehrke <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Julius Härtl <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Robin McCorkell <[email protected]>
 * @author Roeland Jago Douma <[email protected]>
 * @author Vincent Petry <[email protected]>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OC\Files\Node;

use OC\Files\Cache\QuerySearchHelper;
use OC\Files\Search\SearchBinaryOperator;
use OC\Files\Cache\Wrapper\CacheJail;
use OC\Files\Search\SearchComparison;
use OC\Files\Search\SearchOrder;
use OC\Files\Search\SearchQuery;
use OCP\Files\Cache\ICacheEntry;
use OCP\Files\Config\ICachedMountInfo;
use OCP\Files\FileInfo;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\Search\ISearchBinaryOperator;
use OCP\Files\Search\ISearchComparison;
use OCP\Files\Search\ISearchOperator;
use OCP\Files\Search\ISearchOrder;
use OCP\Files\Search\ISearchQuery;
use OCP\IUserManager;

class Folder extends Node implements \OCP\Files\Folder {
	/**
	 * Creates a Folder that represents a non-existing path
	 *
	 * @param string $path path
	 * @return string non-existing node class
	 */
	protected function createNonExistingNode($path) {
		return new NonExistingFolder($this->root, $this->view, $path);

	}

	/**
	 * @param string $path path relative to the folder
	 * @return string
	 * @throws \OCP\Files\NotPermittedException
	 */
	public function getFullPath($path) {
		if (!$this->isValidPath($path)) {
			throw new NotPermittedException('Invalid path');
		}
		return $this->path . $this->normalizePath($path);
	}

	/**
	 * @param string $path
	 * @return string|null
	 */
	public function getRelativePath($path) {
		if ($this->path === '' or $this->path === '/') {
			return $this->normalizePath($path);
		}
		if ($path === $this->path) {
			return '/';
		} elseif (strpos($path, $this->path . '/') !== 0) {
			return null;
		} else {
			$path = substr($path, strlen($this->path));
			return $this->normalizePath($path);
		}
	}

	/**
	 * check if a node is a (grand-)child of the folder
	 *
	 * @param \OC\Files\Node\Node $node
	 * @return bool
	 */
	public function isSubNode($node) {
		return strpos($node->getPath(), $this->path . '/') === 0;
	}

	/**
	 * get the content of this directory
	 *
	 * @return Node[]
	 * @throws \OCP\Files\NotFoundException
	 */
	public function getDirectoryListing() {
		$folderContent = $this->view->getDirectoryContent($this->path);

		return array_map(function (FileInfo $info) {
			if ($info->getMimetype() === 'httpd/unix-directory') {
				return new Folder($this->root, $this->view, $info->getPath(), $info);
			} else {
				return new File($this->root, $this->view, $info->getPath(), $info);
			}
		}, $folderContent);
	}

	/**
	 * @param string $path
	 * @param FileInfo $info
	 * @return File|Folder
	 */
	protected function createNode($path, FileInfo $info = null) {
		if (is_null($info)) {
			$isDir = $this->view->is_dir($path);
		} else {
			$isDir = $info->getType() === FileInfo::TYPE_FOLDER;
		}
		if ($isDir) {
			return new Folder($this->root, $this->view, $path, $info);
		} else {
			return new File($this->root, $this->view, $path, $info);
		}
	}

	/**
	 * Get the node at $path
	 *
	 * @param string $path
	 * @return \OC\Files\Node\Node
	 * @throws \OCP\Files\NotFoundException
	 */
	public function get($path) {
		return $this->root->get($this->getFullPath($path));
	}

	/**
	 * @param string $path
	 * @return bool
	 */
	public function nodeExists($path) {
		try {
			$this->get($path);
			return true;
		} catch (NotFoundException $e) {
			return false;
		}
	}

	/**
	 * @param string $path
	 * @return \OC\Files\Node\Folder
	 * @throws \OCP\Files\NotPermittedException
	 */
	public function newFolder($path) {
		if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
			$fullPath = $this->getFullPath($path);
			$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
			if (!$this->view->mkdir($fullPath)) {
				throw new NotPermittedException('Could not create folder');
			}
			$node = new Folder($this->root, $this->view, $fullPath);
			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
			return $node;
		} else {
			throw new NotPermittedException('No create permission for folder');
		}
	}

	/**
	 * @param string $path
	 * @param string | resource | null $content
	 * @return \OC\Files\Node\File
	 * @throws \OCP\Files\NotPermittedException
	 */
	public function newFile($path, $content = null) {
		if (empty($path)) {
			throw new NotPermittedException('Could not create as provided path is empty');
		}
		if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
			$fullPath = $this->getFullPath($path);
			$nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
			if ($content !== null) {
				$result = $this->view->file_put_contents($fullPath, $content);
			} else {
				$result = $this->view->touch($fullPath);
			}
			if ($result === false) {
				throw new NotPermittedException('Could not create path');
			}
			$node = new File($this->root, $this->view, $fullPath);
			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
			return $node;
		}
		throw new NotPermittedException('No create permission for path');
	}

	private function queryFromOperator(ISearchOperator $operator, string $uid = null): ISearchQuery {
		if ($uid === null) {
			$user = null;
		} else {
			/** @var IUserManager $userManager */
			$userManager = \OC::$server->query(IUserManager::class);
			$user = $userManager->get($uid);
		}
		return new SearchQuery($operator, 0, 0, [], $user);
	}

	/**
	 * search for files with the name matching $query
	 *
	 * @param string|ISearchQuery $query
	 * @return \OC\Files\Node\Node[]
	 */
	public function search($query) {
		if (is_string($query)) {
			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', '%' . $query . '%'));
		}

		// search is handled by a single query covering all caches that this folder contains
		// this is done by collect

		$limitToHome = $query->limitToHome();
		if ($limitToHome && count(explode('/', $this->path)) !== 3) {
			throw new \InvalidArgumentException('searching by owner is only allows on the users home folder');
		}

		$rootLength = strlen($this->path);
		$mount = $this->root->getMount($this->path);
		$storage = $mount->getStorage();
		$internalPath = $mount->getInternalPath($this->path);

		// collect all caches for this folder, indexed by their mountpoint relative to this folder
		// and save the mount which is needed later to construct the FileInfo objects

		if ($internalPath !== '') {
			// a temporary CacheJail is used to handle filtering down the results to within this folder
			$caches = ['' => new CacheJail($storage->getCache(''), $internalPath)];
		} else {
			$caches = ['' => $storage->getCache('')];
		}
		$mountByMountPoint = ['' => $mount];

		if (!$limitToHome) {
			$mounts = $this->root->getMountsIn($this->path);
			foreach ($mounts as $mount) {
				$storage = $mount->getStorage();
				if ($storage) {
					$relativeMountPoint = ltrim(substr($mount->getMountPoint(), $rootLength), '/');
					$caches[$relativeMountPoint] = $storage->getCache('');
					$mountByMountPoint[$relativeMountPoint] = $mount;
				}
			}
		}

		/** @var QuerySearchHelper $searchHelper */
		$searchHelper = \OC::$server->get(QuerySearchHelper::class);
		$resultsPerCache = $searchHelper->searchInCaches($query, $caches);

		// loop trough all results per-cache, constructing the FileInfo object from the CacheEntry and merge them all
		$files = array_merge(...array_map(function (array $results, $relativeMountPoint) use ($mountByMountPoint) {
			$mount = $mountByMountPoint[$relativeMountPoint];
			return array_map(function (ICacheEntry $result) use ($relativeMountPoint, $mount) {
				return $this->cacheEntryToFileInfo($mount, $relativeMountPoint, $result);
			}, $results);
		}, array_values($resultsPerCache), array_keys($resultsPerCache)));

		// since results were returned per-cache, they are no longer fully sorted
		$order = $query->getOrder();
		if ($order) {

			usort($files, function (FileInfo $a, FileInfo $b) use ($order) {
				foreach ($order as $orderField) {
					$cmp = $orderField->sortFileInfo($a, $b);
					if ($cmp !== 0) {
						return $cmp;
					}
				}
				return 0;
			});
		}

		return array_map(function (FileInfo $file) {
			return $this->createNode($file->getPath(), $file);
		}, $files);
	}

	private function cacheEntryToFileInfo(IMountPoint $mount, string $appendRoot, ICacheEntry $cacheEntry): FileInfo {
		$cacheEntry['internalPath'] = $cacheEntry['path'];
		$cacheEntry['path'] = $appendRoot . $cacheEntry->getPath();
		return new \OC\Files\FileInfo($this->path . '/' . $cacheEntry['path'], $mount->getStorage(), $cacheEntry['internalPath'], $cacheEntry, $mount);
	}

	/**
	 * search for files by mimetype
	 *
	 * @param string $mimetype
	 * @return Node[]
	 */
	public function searchByMime($mimetype) {
		if (strpos($mimetype, '/') === false) {
			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $mimetype . '/%'));
		} else {
			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'mimetype', $mimetype));
		}
		return $this->search($query);
	}

	/**
	 * search for files by tag
	 *
	 * @param string|int $tag name or tag id
	 * @param string $userId owner of the tags
	 * @return Node[]
	 */
	public function searchByTag($tag, $userId) {
		$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'tagname', $tag), $userId);
		return $this->search($query);
	}

	/**
	 * @param int $id
	 * @return \OC\Files\Node\Node[]
	 */
	public function getById($id) {
		$mountCache = $this->root->getUserMountCache();
		if (strpos($this->getPath(), '/', 1) > 0) {
			[, $user] = explode('/', $this->getPath());
		} else {
			$user = null;
		}
		$mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
		$mounts = $this->root->getMountsIn($this->path);
		$mounts[] = $this->root->getMount($this->path);
		/** @var IMountPoint[] $folderMounts */
		$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
			return $mountPoint->getMountPoint();
		}, $mounts), $mounts);

		/** @var ICachedMountInfo[] $mountsContainingFile */
		$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
			return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
		}));

		if (count($mountsContainingFile) === 0) {
			if ($user === $this->getAppDataDirectoryName()) {
				return $this->getByIdInRootMount((int)$id);
			}
			return [];
		}

		$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
			$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
			$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
			if (!$cacheEntry) {
				return null;
			}

			// cache jails will hide the "true" internal path
			$internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
			$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
			$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
			$absolutePath = rtrim($cachedMountInfo->getMountPoint() . $pathRelativeToMount, '/');
			return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
				$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
				\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
			));
		}, $mountsContainingFile);

		$nodes = array_filter($nodes);

		return array_filter($nodes, function (Node $node) {
			return $this->getRelativePath($node->getPath());
		});
	}

	protected function getAppDataDirectoryName(): string {
		$instanceId = \OC::$server->getConfig()->getSystemValueString('instanceid');
		return 'appdata_' . $instanceId;
	}

	/**
	 * In case the path we are currently in is inside the appdata_* folder,
	 * the original getById method does not work, because it can only look inside
	 * the user's mount points. But the user has no mount point for the root storage.
	 *
	 * So in that case we directly check the mount of the root if it contains
	 * the id. If it does we check if the path is inside the path we are working
	 * in.
	 *
	 * @param int $id
	 * @return array
	 */
	protected function getByIdInRootMount(int $id): array {
		$mount = $this->root->getMount('');
		$cacheEntry = $mount->getStorage()->getCache($this->path)->get($id);
		if (!$cacheEntry) {
			return [];
		}

		$absolutePath = '/' . ltrim($cacheEntry->getPath(), '/');
		$currentPath = rtrim($this->path, '/') . '/';

		if (strpos($absolutePath, $currentPath) !== 0) {
			return [];
		}

		return [$this->root->createNode(
			$absolutePath, new \OC\Files\FileInfo(
			$absolutePath,
			$mount->getStorage(),
			$cacheEntry->getPath(),
			$cacheEntry,
			$mount
		))];
	}

	public function getFreeSpace() {
		return $this->view->free_space($this->path);

	}

	public function delete() {
		if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
			$this->sendHooks(['preDelete']);
			$fileInfo = $this->getFileInfo();
			$this->view->rmdir($this->path);
			$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
			$this->sendHooks(['postDelete'], [$nonExisting]);
			$this->exists = false;

		} else {
			throw new NotPermittedException('No delete permission for path');
		}
	}

	/**
	 * Add a suffix to the name in case the file exists
	 *
	 * @param string $name
	 * @return string
	 * @throws NotPermittedException
	 */
	public function getNonExistingName($name) {
		$uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
		return trim($this->getRelativePath($uniqueName), '/');
	}

	/**
	 * @param int $limit
	 * @param int $offset
	 * @return \OCP\Files\Node[]
	 */
	public function getRecent($limit, $offset = 0) {
		$query = new SearchQuery(
			new SearchBinaryOperator(
				// filter out non empty folders
				ISearchBinaryOperator::OPERATOR_OR,
				[
					new SearchBinaryOperator(
						ISearchBinaryOperator::OPERATOR_NOT,
						[
							new SearchComparison(
								ISearchComparison::COMPARE_EQUAL,
								'mimetype',
								FileInfo::MIMETYPE_FOLDER
							),
						]
					),
					new SearchComparison(
						ISearchComparison::COMPARE_EQUAL,
						'size',
						0
					),
				]
			),
			$limit,
			$offset,
			[
				new SearchOrder(
					ISearchOrder::DIRECTION_DESCENDING,
					'mtime'
				),
			]
		);
		return $this->search($query);
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Arthur Schiwon <[email protected]>
6			* @author Christoph Wurst <[email protected]>
7			* @author Georg Ehrke <[email protected]>
8			* @author Joas Schilling <[email protected]>
9			* @author Julius Härtl <[email protected]>
10			* @author Morris Jobke <[email protected]>
11			* @author Robin Appelman <[email protected]>
12			* @author Robin McCorkell <[email protected]>
13			* @author Roeland Jago Douma <[email protected]>
14			* @author Vincent Petry <[email protected]>
15			*
16			* @license AGPL-3.0
17			*
18			* This code is free software: you can redistribute it and/or modify
19			* it under the terms of the GNU Affero General Public License, version 3,
20			* as published by the Free Software Foundation.
21			*
22			* This program is distributed in the hope that it will be useful,
23			* but WITHOUT ANY WARRANTY; without even the implied warranty of
24			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25			* GNU Affero General Public License for more details.
26			*
27			* You should have received a copy of the GNU Affero General Public License, version 3,
28			* along with this program. If not, see <http://www.gnu.org/licenses/>
29			*
30			*/
31			namespace OC\Files\Node;
32
33			use OC\Files\Cache\QuerySearchHelper;
34			use OC\Files\Search\SearchBinaryOperator;
35			use OC\Files\Cache\Wrapper\CacheJail;
36			use OC\Files\Search\SearchComparison;
37			use OC\Files\Search\SearchOrder;
38			use OC\Files\Search\SearchQuery;
39			use OCP\Files\Cache\ICacheEntry;
40			use OCP\Files\Config\ICachedMountInfo;
41			use OCP\Files\FileInfo;
42			use OCP\Files\Mount\IMountPoint;
43			use OCP\Files\NotFoundException;
44			use OCP\Files\NotPermittedException;
45			use OCP\Files\Search\ISearchBinaryOperator;
46			use OCP\Files\Search\ISearchComparison;
47			use OCP\Files\Search\ISearchOperator;
48			use OCP\Files\Search\ISearchOrder;
49			use OCP\Files\Search\ISearchQuery;
50			use OCP\IUserManager;
51
52			class Folder extends Node implements \OCP\Files\Folder {
53			/**
54			* Creates a Folder that represents a non-existing path
55			*
56			* @param string $path path
57			* @return string non-existing node class
58			*/
59			protected function createNonExistingNode($path) {
60			return new NonExistingFolder($this->root, $this->view, $path);
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return new OC\Files\Node...ot, $this->view, $path)` returns the type `OC\Files\Node\NonExistingFolder` which is incompatible with the documented return type `string`. Loading history...
61			}
62
63			/**
64			* @param string $path path relative to the folder
65			* @return string
66			* @throws \OCP\Files\NotPermittedException
67			*/
68			public function getFullPath($path) {
69			if (!$this->isValidPath($path)) {
70			throw new NotPermittedException('Invalid path');
71			}
72			return $this->path . $this->normalizePath($path);
73			}
74
75			/**
76			* @param string $path
77			* @return string\|null
78			*/
79			public function getRelativePath($path) {
80			if ($this->path === '' or $this->path === '/') {
81			return $this->normalizePath($path);
82			}
83			if ($path === $this->path) {
84			return '/';
85			} elseif (strpos($path, $this->path . '/') !== 0) {
86			return null;
87			} else {
88			$path = substr($path, strlen($this->path));
89			return $this->normalizePath($path);
90			}
91			}
92
93			/**
94			* check if a node is a (grand-)child of the folder
95			*
96			* @param \OC\Files\Node\Node $node
97			* @return bool
98			*/
99			public function isSubNode($node) {
100			return strpos($node->getPath(), $this->path . '/') === 0;
101			}
102
103			/**
104			* get the content of this directory
105			*
106			* @return Node[]
107			* @throws \OCP\Files\NotFoundException
108			*/
109			public function getDirectoryListing() {
110			$folderContent = $this->view->getDirectoryContent($this->path);
111
112			return array_map(function (FileInfo $info) {
113			if ($info->getMimetype() === 'httpd/unix-directory') {
114			return new Folder($this->root, $this->view, $info->getPath(), $info);
115			} else {
116			return new File($this->root, $this->view, $info->getPath(), $info);
117			}
118			}, $folderContent);
119			}
120
121			/**
122			* @param string $path
123			* @param FileInfo $info
124			* @return File\|Folder
125			*/
126			protected function createNode($path, FileInfo $info = null) {
127			if (is_null($info)) {
128			$isDir = $this->view->is_dir($path);
129			} else {
130			$isDir = $info->getType() === FileInfo::TYPE_FOLDER;
131			}
132			if ($isDir) {
133			return new Folder($this->root, $this->view, $path, $info);
134			} else {
135			return new File($this->root, $this->view, $path, $info);
136			}
137			}
138
139			/**
140			* Get the node at $path
141			*
142			* @param string $path
143			* @return \OC\Files\Node\Node
144			* @throws \OCP\Files\NotFoundException
145			*/
146			public function get($path) {
147			return $this->root->get($this->getFullPath($path));
148			}
149
150			/**
151			* @param string $path
152			* @return bool
153			*/
154			public function nodeExists($path) {
155			try {
156			$this->get($path);
157			return true;
158			} catch (NotFoundException $e) {
159			return false;
160			}
161			}
162
163			/**
164			* @param string $path
165			* @return \OC\Files\Node\Folder
166			* @throws \OCP\Files\NotPermittedException
167			*/
168			public function newFolder($path) {
169			if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
170			$fullPath = $this->getFullPath($path);
171			$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
172			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
173			if (!$this->view->mkdir($fullPath)) {
174			throw new NotPermittedException('Could not create folder');
175			}
176			$node = new Folder($this->root, $this->view, $fullPath);
177			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
178			return $node;
179			} else {
180			throw new NotPermittedException('No create permission for folder');
181			}
182			}
183
184			/**
185			* @param string $path
186			* @param string \| resource \| null $content
187			* @return \OC\Files\Node\File
188			* @throws \OCP\Files\NotPermittedException
189			*/
190			public function newFile($path, $content = null) {
191			if (empty($path)) {
192			throw new NotPermittedException('Could not create as provided path is empty');
193			}
194			if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
195			$fullPath = $this->getFullPath($path);
196			$nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
197			$this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
198			if ($content !== null) {
199			$result = $this->view->file_put_contents($fullPath, $content);
200			} else {
201			$result = $this->view->touch($fullPath);
202			}
203			if ($result === false) {
204			throw new NotPermittedException('Could not create path');
205			}
206			$node = new File($this->root, $this->view, $fullPath);
207			$this->sendHooks(['postWrite', 'postCreate'], [$node]);
208			return $node;
209			}
210			throw new NotPermittedException('No create permission for path');
211			}
212
213			private function queryFromOperator(ISearchOperator $operator, string $uid = null): ISearchQuery {
214			if ($uid === null) {
215			$user = null;
216			} else {
217			/** @var IUserManager $userManager */
218			$userManager = \OC::$server->query(IUserManager::class);
219			$user = $userManager->get($uid);
220			}
221			return new SearchQuery($operator, 0, 0, [], $user);
222			}
223
224			/**
225			* search for files with the name matching $query
226			*
227			* @param string\|ISearchQuery $query
228			* @return \OC\Files\Node\Node[]
229			*/
230			public function search($query) {
231			if (is_string($query)) {
232			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', '%' . $query . '%'));
233			}
234
235			// search is handled by a single query covering all caches that this folder contains
236			// this is done by collect
237
238			$limitToHome = $query->limitToHome();
239			if ($limitToHome && count(explode('/', $this->path)) !== 3) {
240			throw new \InvalidArgumentException('searching by owner is only allows on the users home folder');
241			}
242
243			$rootLength = strlen($this->path);
244			$mount = $this->root->getMount($this->path);
245			$storage = $mount->getStorage();
246			$internalPath = $mount->getInternalPath($this->path);
247
248			// collect all caches for this folder, indexed by their mountpoint relative to this folder
249			// and save the mount which is needed later to construct the FileInfo objects
250
251			if ($internalPath !== '') {
252			// a temporary CacheJail is used to handle filtering down the results to within this folder
253			$caches = ['' => new CacheJail($storage->getCache(''), $internalPath)];
254			} else {
255			$caches = ['' => $storage->getCache('')];
256			}
257			$mountByMountPoint = ['' => $mount];
258
259			if (!$limitToHome) {
260			$mounts = $this->root->getMountsIn($this->path);
261			foreach ($mounts as $mount) {
262			$storage = $mount->getStorage();
263			if ($storage) {
264			$relativeMountPoint = ltrim(substr($mount->getMountPoint(), $rootLength), '/');
265			$caches[$relativeMountPoint] = $storage->getCache('');
266			$mountByMountPoint[$relativeMountPoint] = $mount;
267			}
268			}
269			}
270
271			/** @var QuerySearchHelper $searchHelper */
272			$searchHelper = \OC::$server->get(QuerySearchHelper::class);
273			$resultsPerCache = $searchHelper->searchInCaches($query, $caches);
274
275			// loop trough all results per-cache, constructing the FileInfo object from the CacheEntry and merge them all
276			$files = array_merge(...array_map(function (array $results, $relativeMountPoint) use ($mountByMountPoint) {
277			$mount = $mountByMountPoint[$relativeMountPoint];
278			return array_map(function (ICacheEntry $result) use ($relativeMountPoint, $mount) {
279			return $this->cacheEntryToFileInfo($mount, $relativeMountPoint, $result);
280			}, $results);
281			}, array_values($resultsPerCache), array_keys($resultsPerCache)));
282
283			// since results were returned per-cache, they are no longer fully sorted
284			$order = $query->getOrder();
285			if ($order) {
			0 ignored issues – show Bug Best Practice introduced 2021-03-22 21:01 UTC by Report Bug Copy Issue Report The expression `$order` of type `OCP\Files\Search\ISearchOrder[]` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
286			usort($files, function (FileInfo $a, FileInfo $b) use ($order) {
287			foreach ($order as $orderField) {
288			$cmp = $orderField->sortFileInfo($a, $b);
289			if ($cmp !== 0) {
290			return $cmp;
291			}
292			}
293			return 0;
294			});
295			}
296
297			return array_map(function (FileInfo $file) {
298			return $this->createNode($file->getPath(), $file);
299			}, $files);
300			}
301
302			private function cacheEntryToFileInfo(IMountPoint $mount, string $appendRoot, ICacheEntry $cacheEntry): FileInfo {
303			$cacheEntry['internalPath'] = $cacheEntry['path'];
304			$cacheEntry['path'] = $appendRoot . $cacheEntry->getPath();
305			return new \OC\Files\FileInfo($this->path . '/' . $cacheEntry['path'], $mount->getStorage(), $cacheEntry['internalPath'], $cacheEntry, $mount);
306			}
307
308			/**
309			* search for files by mimetype
310			*
311			* @param string $mimetype
312			* @return Node[]
313			*/
314			public function searchByMime($mimetype) {
315			if (strpos($mimetype, '/') === false) {
316			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $mimetype . '/%'));
317			} else {
318			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'mimetype', $mimetype));
319			}
320			return $this->search($query);
321			}
322
323			/**
324			* search for files by tag
325			*
326			* @param string\|int $tag name or tag id
327			* @param string $userId owner of the tags
328			* @return Node[]
329			*/
330			public function searchByTag($tag, $userId) {
331			$query = $this->queryFromOperator(new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'tagname', $tag), $userId);
332			return $this->search($query);
333			}
334
335			/**
336			* @param int $id
337			* @return \OC\Files\Node\Node[]
338			*/
339			public function getById($id) {
340			$mountCache = $this->root->getUserMountCache();
341			if (strpos($this->getPath(), '/', 1) > 0) {
342			[, $user] = explode('/', $this->getPath());
343			} else {
344			$user = null;
345			}
346			$mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
347			$mounts = $this->root->getMountsIn($this->path);
348			$mounts[] = $this->root->getMount($this->path);
349			/** @var IMountPoint[] $folderMounts */
350			$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
351			return $mountPoint->getMountPoint();
352			}, $mounts), $mounts);
353
354			/** @var ICachedMountInfo[] $mountsContainingFile */
355			$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
356			return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
357			}));
358
359			if (count($mountsContainingFile) === 0) {
360			if ($user === $this->getAppDataDirectoryName()) {
361			return $this->getByIdInRootMount((int)$id);
362			}
363			return [];
364			}
365
366			$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
367			$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
368			$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
369			if (!$cacheEntry) {
370			return null;
371			}
372
373			// cache jails will hide the "true" internal path
374			$internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
375			$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
376			$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
377			$absolutePath = rtrim($cachedMountInfo->getMountPoint() . $pathRelativeToMount, '/');
378			return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
379			$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
380			\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
381			));
382			}, $mountsContainingFile);
383
384			$nodes = array_filter($nodes);
385
386			return array_filter($nodes, function (Node $node) {
387			return $this->getRelativePath($node->getPath());
388			});
389			}
390
391			protected function getAppDataDirectoryName(): string {
392			$instanceId = \OC::$server->getConfig()->getSystemValueString('instanceid');
393			return 'appdata_' . $instanceId;
394			}
395
396			/**
397			* In case the path we are currently in is inside the appdata_* folder,
398			* the original getById method does not work, because it can only look inside
399			* the user's mount points. But the user has no mount point for the root storage.
400			*
401			* So in that case we directly check the mount of the root if it contains
402			* the id. If it does we check if the path is inside the path we are working
403			* in.
404			*
405			* @param int $id
406			* @return array
407			*/
408			protected function getByIdInRootMount(int $id): array {
409			$mount = $this->root->getMount('');
410			$cacheEntry = $mount->getStorage()->getCache($this->path)->get($id);
411			if (!$cacheEntry) {
412			return [];
413			}
414
415			$absolutePath = '/' . ltrim($cacheEntry->getPath(), '/');
416			$currentPath = rtrim($this->path, '/') . '/';
417
418			if (strpos($absolutePath, $currentPath) !== 0) {
419			return [];
420			}
421
422			return [$this->root->createNode(
423			$absolutePath, new \OC\Files\FileInfo(
424			$absolutePath,
425			$mount->getStorage(),
426			$cacheEntry->getPath(),
427			$cacheEntry,
428			$mount
429			))];
430			}
431
432			public function getFreeSpace() {
433			return $this->view->free_space($this->path);
			0 ignored issues – show Bug Best Practice introduced 2020-12-29 11:07 UTC by Report Bug Copy Issue Report The expression `return $this->view->free_space($this->path)` also could return the type `boolean` which is incompatible with the return type mandated by `OCP\Files\Folder::getFreeSpace()` of `integer`. Loading history...
434			}
435
436			public function delete() {
437			if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
438			$this->sendHooks(['preDelete']);
439			$fileInfo = $this->getFileInfo();
440			$this->view->rmdir($this->path);
441			$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
442			$this->sendHooks(['postDelete'], [$nonExisting]);
443			$this->exists = false;
			0 ignored issues – show Bug Best Practice introduced 2019-09-11 13:11 UTC by Report Bug Copy Issue Report The property `exists` does not exist. Although not strictly required by PHP, it is generally a best practice to declare properties explicitly. Loading history...
444			} else {
445			throw new NotPermittedException('No delete permission for path');
446			}
447			}
448
449			/**
450			* Add a suffix to the name in case the file exists
451			*
452			* @param string $name
453			* @return string
454			* @throws NotPermittedException
455			*/
456			public function getNonExistingName($name) {
457			$uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
458			return trim($this->getRelativePath($uniqueName), '/');
459			}
460
461			/**
462			* @param int $limit
463			* @param int $offset
464			* @return \OCP\Files\Node[]
465			*/
466			public function getRecent($limit, $offset = 0) {
467			$query = new SearchQuery(
468			new SearchBinaryOperator(
469			// filter out non empty folders
470			ISearchBinaryOperator::OPERATOR_OR,
471			[
472			new SearchBinaryOperator(
473			ISearchBinaryOperator::OPERATOR_NOT,
474			[
475			new SearchComparison(
476			ISearchComparison::COMPARE_EQUAL,
477			'mimetype',
478			FileInfo::MIMETYPE_FOLDER
479			),
480			]
481			),
482			new SearchComparison(
483			ISearchComparison::COMPARE_EQUAL,
484			'size',
485			0
486			),
487			]
488			),
489			$limit,
490			$offset,
491			[
492			new SearchOrder(
493			ISearchOrder::DIRECTION_DESCENDING,
494			'mtime'
495			),
496			]
497			);
498			return $this->search($query);
499			}
500			}
501

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Folder::delete() A

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