Directory::copyInto() - Code Metrics - Inspection of "Merge pull request #24358 from nextcloud/dav-stora..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 64bc7c...fc57f6 )

by Morris

created 2020-12-03 14:03 UTC

Directory::copyInto() A

↳ Parent: Directory

Complexity

Conditions	4
Paths	4

Size

Total Lines	19
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	4
eloc	11
c	1
b	0
f	0
nc	4
nop	3
dl	0
loc	19
rs	9.9

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Arthur Schiwon <[email protected]>
 * @author Bart Visscher <[email protected]>
 * @author Björn Schießle <[email protected]>
 * @author Christoph Wurst <[email protected]>
 * @author Jakob Sack <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Julius Härtl <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Roeland Jago Douma <[email protected]>
 * @author Thomas Müller <[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 OCA\DAV\Connector\Sabre;

use OC\Files\Mount\MoveableMount;
use OC\Files\View;
use OCA\DAV\Connector\Sabre\Exception\FileLocked;
use OCA\DAV\Connector\Sabre\Exception\Forbidden;
use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
use OCP\Files\FileInfo;
use OCP\Files\ForbiddenException;
use OCP\Files\InvalidPathException;
use OCP\Files\StorageNotAvailableException;
use OCP\Lock\ILockingProvider;
use OCP\Lock\LockedException;
use Sabre\DAV\Exception\BadRequest;
use Sabre\DAV\Exception\Locked;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\Exception\ServiceUnavailable;
use Sabre\DAV\IFile;
use Sabre\DAV\INode;

class Directory extends \OCA\DAV\Connector\Sabre\Node implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota, \Sabre\DAV\IMoveTarget, \Sabre\DAV\ICopyTarget {

	/**
	 * Cached directory content
	 *
	 * @var \OCP\Files\FileInfo[]
	 */
	private $dirContent;

	/**
	 * Cached quota info
	 *
	 * @var array
	 */
	private $quotaInfo;

	/**
	 * @var ObjectTree|null
	 */
	private $tree;

	/**
	 * Sets up the node, expects a full path name
	 *
	 * @param \OC\Files\View $view
	 * @param \OCP\Files\FileInfo $info
	 * @param ObjectTree|null $tree
	 * @param \OCP\Share\IManager $shareManager
	 */
	public function __construct(View $view, FileInfo $info, $tree = null, $shareManager = null) {
		parent::__construct($view, $info, $shareManager);
		$this->tree = $tree;
	}

	/**
	 * Creates a new file in the directory
	 *
	 * Data will either be supplied as a stream resource, or in certain cases
	 * as a string. Keep in mind that you may have to support either.
	 *
	 * After successful creation of the file, you may choose to return the ETag
	 * of the new file here.
	 *
	 * The returned ETag must be surrounded by double-quotes (The quotes should
	 * be part of the actual string).
	 *
	 * If you cannot accurately determine the ETag, you should not return it.
	 * If you don't store the file exactly as-is (you're transforming it
	 * somehow) you should also not return an ETag.
	 *
	 * This means that if a subsequent GET to this new file does not exactly
	 * return the same contents of what was submitted here, you are strongly
	 * recommended to omit the ETag.
	 *
	 * @param string $name Name of the file
	 * @param resource|string $data Initial payload
	 * @return null|string
	 * @throws Exception\EntityTooLarge
	 * @throws Exception\UnsupportedMediaType
	 * @throws FileLocked
	 * @throws InvalidPath
	 * @throws \Sabre\DAV\Exception
	 * @throws \Sabre\DAV\Exception\BadRequest
	 * @throws \Sabre\DAV\Exception\Forbidden
	 * @throws \Sabre\DAV\Exception\ServiceUnavailable
	 */
	public function createFile($name, $data = null) {
		try {
			// for chunked upload also updating a existing file is a "createFile"
			// because we create all the chunks before re-assemble them to the existing file.
			if (isset($_SERVER['HTTP_OC_CHUNKED'])) {

				// exit if we can't create a new file and we don't updatable existing file
				$chunkInfo = \OC_FileChunking::decodeName($name);
				if (!$this->fileView->isCreatable($this->path) &&
					!$this->fileView->isUpdatable($this->path . '/' . $chunkInfo['name'])
				) {
					throw new \Sabre\DAV\Exception\Forbidden();
				}
			} else {
				// For non-chunked upload it is enough to check if we can create a new file
				if (!$this->fileView->isCreatable($this->path)) {
					throw new \Sabre\DAV\Exception\Forbidden();
				}
			}

			$this->fileView->verifyPath($this->path, $name);

			$path = $this->fileView->getAbsolutePath($this->path) . '/' . $name;
			// in case the file already exists/overwriting
			$info = $this->fileView->getFileInfo($this->path . '/' . $name);
			if (!$info) {
				// use a dummy FileInfo which is acceptable here since it will be refreshed after the put is complete
				$info = new \OC\Files\FileInfo($path, null, null, [], null);
			}
			$node = new \OCA\DAV\Connector\Sabre\File($this->fileView, $info);

			// only allow 1 process to upload a file at once but still allow reading the file while writing the part file
			$node->acquireLock(ILockingProvider::LOCK_SHARED);
			$this->fileView->lockFile($path . '.upload.part', ILockingProvider::LOCK_EXCLUSIVE);

			$result = $node->put($data);

			$this->fileView->unlockFile($path . '.upload.part', ILockingProvider::LOCK_EXCLUSIVE);
			$node->releaseLock(ILockingProvider::LOCK_SHARED);
			return $result;
		} catch (\OCP\Files\StorageNotAvailableException $e) {
			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage(), $e->getCode(), $e);
		} catch (InvalidPathException $ex) {
			throw new InvalidPath($ex->getMessage(), false, $ex);
		} catch (ForbiddenException $ex) {
			throw new Forbidden($ex->getMessage(), $ex->getRetry(), $ex);
		} catch (LockedException $e) {
			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
		}
	}

	/**
	 * Creates a new subdirectory
	 *
	 * @param string $name
	 * @throws FileLocked
	 * @throws InvalidPath
	 * @throws \Sabre\DAV\Exception\Forbidden
	 * @throws \Sabre\DAV\Exception\ServiceUnavailable
	 */
	public function createDirectory($name) {
		try {
			if (!$this->info->isCreatable()) {
				throw new \Sabre\DAV\Exception\Forbidden();
			}

			$this->fileView->verifyPath($this->path, $name);
			$newPath = $this->path . '/' . $name;
			if (!$this->fileView->mkdir($newPath)) {
				throw new \Sabre\DAV\Exception\Forbidden('Could not create directory ' . $newPath);
			}
		} catch (\OCP\Files\StorageNotAvailableException $e) {
			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
		} catch (InvalidPathException $ex) {
			throw new InvalidPath($ex->getMessage());
		} catch (ForbiddenException $ex) {
			throw new Forbidden($ex->getMessage(), $ex->getRetry());
		} catch (LockedException $e) {
			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
		}
	}

	/**
	 * Returns a specific child node, referenced by its name
	 *
	 * @param string $name
	 * @param \OCP\Files\FileInfo $info
	 * @return \Sabre\DAV\INode
	 * @throws InvalidPath
	 * @throws \Sabre\DAV\Exception\NotFound
	 * @throws \Sabre\DAV\Exception\ServiceUnavailable
	 */
	public function getChild($name, $info = null) {
		if (!$this->info->isReadable()) {
			// avoid detecting files through this way
			throw new NotFound();
		}

		$path = $this->path . '/' . $name;
		if (is_null($info)) {
			try {
				$this->fileView->verifyPath($this->path, $name);
				$info = $this->fileView->getFileInfo($path);
			} catch (\OCP\Files\StorageNotAvailableException $e) {
				throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
			} catch (InvalidPathException $ex) {
				throw new InvalidPath($ex->getMessage());
			} catch (ForbiddenException $e) {
				throw new \Sabre\DAV\Exception\Forbidden();
			}
		}

		if (!$info) {
			throw new \Sabre\DAV\Exception\NotFound('File with name ' . $path . ' could not be located');
		}

		if ($info['mimetype'] === 'httpd/unix-directory') {
			$node = new \OCA\DAV\Connector\Sabre\Directory($this->fileView, $info, $this->tree, $this->shareManager);
		} else {
			$node = new \OCA\DAV\Connector\Sabre\File($this->fileView, $info, $this->shareManager);
		}
		if ($this->tree) {
			$this->tree->cacheNode($node);
		}
		return $node;
	}

	/**
	 * Returns an array with all the child nodes
	 *
	 * @return \Sabre\DAV\INode[]
	 * @throws \Sabre\DAV\Exception\Locked
	 * @throws \OCA\DAV\Connector\Sabre\Exception\Forbidden
	 */
	public function getChildren() {
		if (!is_null($this->dirContent)) {

			return $this->dirContent;

		}
		try {
			if (!$this->info->isReadable()) {
				// return 403 instead of 404 because a 404 would make
				// the caller believe that the collection itself does not exist
				throw new Forbidden('No read permissions');
			}
			$folderContent = $this->fileView->getDirectoryContent($this->path);
		} catch (LockedException $e) {
			throw new Locked();
		}

		$nodes = [];
		foreach ($folderContent as $info) {
			$node = $this->getChild($info->getName(), $info);
			$nodes[] = $node;
		}
		$this->dirContent = $nodes;
		return $this->dirContent;
	}

	/**
	 * Checks if a child exists.
	 *
	 * @param string $name
	 * @return bool
	 */
	public function childExists($name) {
		// note: here we do NOT resolve the chunk file name to the real file name
		// to make sure we return false when checking for file existence with a chunk
		// file name.
		// This is to make sure that "createFile" is still triggered
		// (required old code) instead of "updateFile".
		//
		// TODO: resolve chunk file name here and implement "updateFile"
		$path = $this->path . '/' . $name;
		return $this->fileView->file_exists($path);
	}

	/**
	 * Deletes all files in this directory, and then itself
	 *
	 * @return void
	 * @throws FileLocked
	 * @throws \Sabre\DAV\Exception\Forbidden
	 */
	public function delete() {
		if ($this->path === '' || $this->path === '/' || !$this->info->isDeletable()) {
			throw new \Sabre\DAV\Exception\Forbidden();
		}

		try {
			if (!$this->fileView->rmdir($this->path)) {
				// assume it wasn't possible to remove due to permission issue
				throw new \Sabre\DAV\Exception\Forbidden();
			}
		} catch (ForbiddenException $ex) {
			throw new Forbidden($ex->getMessage(), $ex->getRetry());
		} catch (LockedException $e) {
			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
		}
	}

	/**
	 * Returns available diskspace information
	 *
	 * @return array
	 */
	public function getQuotaInfo() {
		if ($this->quotaInfo) {

			return $this->quotaInfo;
		}
		try {
			$info = $this->fileView->getFileInfo($this->path, false);
			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $info);
			if ($storageInfo['quota'] === \OCP\Files\FileInfo::SPACE_UNLIMITED) {
				$free = \OCP\Files\FileInfo::SPACE_UNLIMITED;
			} else {
				$free = $storageInfo['free'];
			}
			$this->quotaInfo = [
				$storageInfo['used'],
				$free
			];
			return $this->quotaInfo;
		} catch (\OCP\Files\StorageNotAvailableException $e) {
			return [0, 0];
		}
	}

	/**
	 * Moves a node into this collection.
	 *
	 * It is up to the implementors to:
	 *   1. Create the new resource.
	 *   2. Remove the old resource.
	 *   3. Transfer any properties or other data.
	 *
	 * Generally you should make very sure that your collection can easily move
	 * the move.
	 *
	 * If you don't, just return false, which will trigger sabre/dav to handle
	 * the move itself. If you return true from this function, the assumption
	 * is that the move was successful.
	 *
	 * @param string $targetName New local file/collection name.
	 * @param string $fullSourcePath Full path to source node
	 * @param INode $sourceNode Source node itself
	 * @return bool
	 * @throws BadRequest
	 * @throws ServiceUnavailable
	 * @throws Forbidden
	 * @throws FileLocked
	 * @throws \Sabre\DAV\Exception\Forbidden
	 */
	public function moveInto($targetName, $fullSourcePath, INode $sourceNode) {
		if (!$sourceNode instanceof Node) {
			// it's a file of another kind, like FutureFile
			if ($sourceNode instanceof IFile) {
				// fallback to default copy+delete handling
				return false;
			}
			throw new BadRequest('Incompatible node types');
		}

		if (!$this->fileView) {
			throw new ServiceUnavailable('filesystem not setup');
		}

		$destinationPath = $this->getPath() . '/' . $targetName;


		$targetNodeExists = $this->childExists($targetName);

		// at getNodeForPath we also check the path for isForbiddenFileOrDir
		// with that we have covered both source and destination
		if ($sourceNode instanceof Directory && $targetNodeExists) {
			throw new \Sabre\DAV\Exception\Forbidden('Could not copy directory ' . $sourceNode->getName() . ', target exists');
		}

		[$sourceDir,] = \Sabre\Uri\split($sourceNode->getPath());
		$destinationDir = $this->getPath();

		$sourcePath = $sourceNode->getPath();

		$isMovableMount = false;
		$sourceMount = \OC::$server->getMountManager()->find($this->fileView->getAbsolutePath($sourcePath));
		$internalPath = $sourceMount->getInternalPath($this->fileView->getAbsolutePath($sourcePath));
		if ($sourceMount instanceof MoveableMount && $internalPath === '') {
			$isMovableMount = true;
		}

		try {
			$sameFolder = ($sourceDir === $destinationDir);
			// if we're overwriting or same folder
			if ($targetNodeExists || $sameFolder) {
				// note that renaming a share mount point is always allowed
				if (!$this->fileView->isUpdatable($destinationDir) && !$isMovableMount) {
					throw new \Sabre\DAV\Exception\Forbidden();
				}
			} else {
				if (!$this->fileView->isCreatable($destinationDir)) {
					throw new \Sabre\DAV\Exception\Forbidden();
				}
			}

			if (!$sameFolder) {
				// moving to a different folder, source will be gone, like a deletion
				// note that moving a share mount point is always allowed
				if (!$this->fileView->isDeletable($sourcePath) && !$isMovableMount) {
					throw new \Sabre\DAV\Exception\Forbidden();
				}
			}

			$fileName = basename($destinationPath);
			try {
				$this->fileView->verifyPath($destinationDir, $fileName);
			} catch (InvalidPathException $ex) {
				throw new InvalidPath($ex->getMessage());
			}

			$renameOkay = $this->fileView->rename($sourcePath, $destinationPath);
			if (!$renameOkay) {
				throw new \Sabre\DAV\Exception\Forbidden('');
			}
		} catch (StorageNotAvailableException $e) {
			throw new ServiceUnavailable($e->getMessage());
		} catch (ForbiddenException $ex) {
			throw new Forbidden($ex->getMessage(), $ex->getRetry());
		} catch (LockedException $e) {
			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
		}

		return true;
	}


	public function copyInto($targetName, $sourcePath, INode $sourceNode) {
		if ($sourceNode instanceof File) {
			$destinationPath = $this->getPath() . '/' . $targetName;
			$sourcePath = $sourceNode->getPath();

			if (!$this->fileView->isCreatable($this->getPath())) {
				throw new \Sabre\DAV\Exception\Forbidden();
			}

			try {
				$this->fileView->verifyPath($this->getPath(), $targetName);
			} catch (InvalidPathException $ex) {
				throw new InvalidPath($ex->getMessage());
			}

			return $this->fileView->copy($sourcePath, $destinationPath);
		}

		return false;
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Arthur Schiwon <[email protected]>
6			* @author Bart Visscher <[email protected]>
7			* @author Björn Schießle <[email protected]>
8			* @author Christoph Wurst <[email protected]>
9			* @author Jakob Sack <[email protected]>
10			* @author Joas Schilling <[email protected]>
11			* @author Julius Härtl <[email protected]>
12			* @author Morris Jobke <[email protected]>
13			* @author Robin Appelman <[email protected]>
14			* @author Roeland Jago Douma <[email protected]>
15			* @author Thomas Müller <[email protected]>
16			* @author Vincent Petry <[email protected]>
17			*
18			* @license AGPL-3.0
19			*
20			* This code is free software: you can redistribute it and/or modify
21			* it under the terms of the GNU Affero General Public License, version 3,
22			* as published by the Free Software Foundation.
23			*
24			* This program is distributed in the hope that it will be useful,
25			* but WITHOUT ANY WARRANTY; without even the implied warranty of
26			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27			* GNU Affero General Public License for more details.
28			*
29			* You should have received a copy of the GNU Affero General Public License, version 3,
30			* along with this program. If not, see <http://www.gnu.org/licenses/>
31			*
32			*/
33
34			namespace OCA\DAV\Connector\Sabre;
35
36			use OC\Files\Mount\MoveableMount;
37			use OC\Files\View;
38			use OCA\DAV\Connector\Sabre\Exception\FileLocked;
39			use OCA\DAV\Connector\Sabre\Exception\Forbidden;
40			use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
41			use OCP\Files\FileInfo;
42			use OCP\Files\ForbiddenException;
43			use OCP\Files\InvalidPathException;
44			use OCP\Files\StorageNotAvailableException;
45			use OCP\Lock\ILockingProvider;
46			use OCP\Lock\LockedException;
47			use Sabre\DAV\Exception\BadRequest;
48			use Sabre\DAV\Exception\Locked;
49			use Sabre\DAV\Exception\NotFound;
50			use Sabre\DAV\Exception\ServiceUnavailable;
51			use Sabre\DAV\IFile;
52			use Sabre\DAV\INode;
53
54			class Directory extends \OCA\DAV\Connector\Sabre\Node implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota, \Sabre\DAV\IMoveTarget, \Sabre\DAV\ICopyTarget {
55
56			/**
57			* Cached directory content
58			*
59			* @var \OCP\Files\FileInfo[]
60			*/
61			private $dirContent;
62
63			/**
64			* Cached quota info
65			*
66			* @var array
67			*/
68			private $quotaInfo;
69
70			/**
71			* @var ObjectTree\|null
72			*/
73			private $tree;
74
75			/**
76			* Sets up the node, expects a full path name
77			*
78			* @param \OC\Files\View $view
79			* @param \OCP\Files\FileInfo $info
80			* @param ObjectTree\|null $tree
81			* @param \OCP\Share\IManager $shareManager
82			*/
83			public function __construct(View $view, FileInfo $info, $tree = null, $shareManager = null) {
84			parent::__construct($view, $info, $shareManager);
85			$this->tree = $tree;
86			}
87
88			/**
89			* Creates a new file in the directory
90			*
91			* Data will either be supplied as a stream resource, or in certain cases
92			* as a string. Keep in mind that you may have to support either.
93			*
94			* After successful creation of the file, you may choose to return the ETag
95			* of the new file here.
96			*
97			* The returned ETag must be surrounded by double-quotes (The quotes should
98			* be part of the actual string).
99			*
100			* If you cannot accurately determine the ETag, you should not return it.
101			* If you don't store the file exactly as-is (you're transforming it
102			* somehow) you should also not return an ETag.
103			*
104			* This means that if a subsequent GET to this new file does not exactly
105			* return the same contents of what was submitted here, you are strongly
106			* recommended to omit the ETag.
107			*
108			* @param string $name Name of the file
109			* @param resource\|string $data Initial payload
110			* @return null\|string
111			* @throws Exception\EntityTooLarge
112			* @throws Exception\UnsupportedMediaType
113			* @throws FileLocked
114			* @throws InvalidPath
115			* @throws \Sabre\DAV\Exception
116			* @throws \Sabre\DAV\Exception\BadRequest
117			* @throws \Sabre\DAV\Exception\Forbidden
118			* @throws \Sabre\DAV\Exception\ServiceUnavailable
119			*/
120			public function createFile($name, $data = null) {
121			try {
122			// for chunked upload also updating a existing file is a "createFile"
123			// because we create all the chunks before re-assemble them to the existing file.
124			if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
125
126			// exit if we can't create a new file and we don't updatable existing file
127			$chunkInfo = \OC_FileChunking::decodeName($name);
128			if (!$this->fileView->isCreatable($this->path) &&
129			!$this->fileView->isUpdatable($this->path . '/' . $chunkInfo['name'])
130			) {
131			throw new \Sabre\DAV\Exception\Forbidden();
132			}
133			} else {
134			// For non-chunked upload it is enough to check if we can create a new file
135			if (!$this->fileView->isCreatable($this->path)) {
136			throw new \Sabre\DAV\Exception\Forbidden();
137			}
138			}
139
140			$this->fileView->verifyPath($this->path, $name);
141
142			$path = $this->fileView->getAbsolutePath($this->path) . '/' . $name;
143			// in case the file already exists/overwriting
144			$info = $this->fileView->getFileInfo($this->path . '/' . $name);
145			if (!$info) {
146			// use a dummy FileInfo which is acceptable here since it will be refreshed after the put is complete
147			$info = new \OC\Files\FileInfo($path, null, null, [], null);
148			}
149			$node = new \OCA\DAV\Connector\Sabre\File($this->fileView, $info);
150
151			// only allow 1 process to upload a file at once but still allow reading the file while writing the part file
152			$node->acquireLock(ILockingProvider::LOCK_SHARED);
153			$this->fileView->lockFile($path . '.upload.part', ILockingProvider::LOCK_EXCLUSIVE);
154
155			$result = $node->put($data);
156
157			$this->fileView->unlockFile($path . '.upload.part', ILockingProvider::LOCK_EXCLUSIVE);
158			$node->releaseLock(ILockingProvider::LOCK_SHARED);
159			return $result;
160			} catch (\OCP\Files\StorageNotAvailableException $e) {
161			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage(), $e->getCode(), $e);
162			} catch (InvalidPathException $ex) {
163			throw new InvalidPath($ex->getMessage(), false, $ex);
164			} catch (ForbiddenException $ex) {
165			throw new Forbidden($ex->getMessage(), $ex->getRetry(), $ex);
166			} catch (LockedException $e) {
167			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
168			}
169			}
170
171			/**
172			* Creates a new subdirectory
173			*
174			* @param string $name
175			* @throws FileLocked
176			* @throws InvalidPath
177			* @throws \Sabre\DAV\Exception\Forbidden
178			* @throws \Sabre\DAV\Exception\ServiceUnavailable
179			*/
180			public function createDirectory($name) {
181			try {
182			if (!$this->info->isCreatable()) {
183			throw new \Sabre\DAV\Exception\Forbidden();
184			}
185
186			$this->fileView->verifyPath($this->path, $name);
187			$newPath = $this->path . '/' . $name;
188			if (!$this->fileView->mkdir($newPath)) {
189			throw new \Sabre\DAV\Exception\Forbidden('Could not create directory ' . $newPath);
190			}
191			} catch (\OCP\Files\StorageNotAvailableException $e) {
192			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
193			} catch (InvalidPathException $ex) {
194			throw new InvalidPath($ex->getMessage());
195			} catch (ForbiddenException $ex) {
196			throw new Forbidden($ex->getMessage(), $ex->getRetry());
197			} catch (LockedException $e) {
198			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
199			}
200			}
201
202			/**
203			* Returns a specific child node, referenced by its name
204			*
205			* @param string $name
206			* @param \OCP\Files\FileInfo $info
207			* @return \Sabre\DAV\INode
208			* @throws InvalidPath
209			* @throws \Sabre\DAV\Exception\NotFound
210			* @throws \Sabre\DAV\Exception\ServiceUnavailable
211			*/
212			public function getChild($name, $info = null) {
213			if (!$this->info->isReadable()) {
214			// avoid detecting files through this way
215			throw new NotFound();
216			}
217
218			$path = $this->path . '/' . $name;
219			if (is_null($info)) {
220			try {
221			$this->fileView->verifyPath($this->path, $name);
222			$info = $this->fileView->getFileInfo($path);
223			} catch (\OCP\Files\StorageNotAvailableException $e) {
224			throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
225			} catch (InvalidPathException $ex) {
226			throw new InvalidPath($ex->getMessage());
227			} catch (ForbiddenException $e) {
228			throw new \Sabre\DAV\Exception\Forbidden();
229			}
230			}
231
232			if (!$info) {
233			throw new \Sabre\DAV\Exception\NotFound('File with name ' . $path . ' could not be located');
234			}
235
236			if ($info['mimetype'] === 'httpd/unix-directory') {
237			$node = new \OCA\DAV\Connector\Sabre\Directory($this->fileView, $info, $this->tree, $this->shareManager);
238			} else {
239			$node = new \OCA\DAV\Connector\Sabre\File($this->fileView, $info, $this->shareManager);
240			}
241			if ($this->tree) {
242			$this->tree->cacheNode($node);
243			}
244			return $node;
245			}
246
247			/**
248			* Returns an array with all the child nodes
249			*
250			* @return \Sabre\DAV\INode[]
251			* @throws \Sabre\DAV\Exception\Locked
252			* @throws \OCA\DAV\Connector\Sabre\Exception\Forbidden
253			*/
254			public function getChildren() {
255			if (!is_null($this->dirContent)) {
			0 ignored issues – show introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The condition `is_null($this->dirContent)` is always `false`. Loading history...
256			return $this->dirContent;
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return $this->dirContent` returns the type `OCP\Files\FileInfo[]` which is incompatible with the documented return type `Sabre\DAV\INode[]`. Loading history...
257			}
258			try {
259			if (!$this->info->isReadable()) {
260			// return 403 instead of 404 because a 404 would make
261			// the caller believe that the collection itself does not exist
262			throw new Forbidden('No read permissions');
263			}
264			$folderContent = $this->fileView->getDirectoryContent($this->path);
265			} catch (LockedException $e) {
266			throw new Locked();
267			}
268
269			$nodes = [];
270			foreach ($folderContent as $info) {
271			$node = $this->getChild($info->getName(), $info);
272			$nodes[] = $node;
273			}
274			$this->dirContent = $nodes;
275			return $this->dirContent;
276			}
277
278			/**
279			* Checks if a child exists.
280			*
281			* @param string $name
282			* @return bool
283			*/
284			public function childExists($name) {
285			// note: here we do NOT resolve the chunk file name to the real file name
286			// to make sure we return false when checking for file existence with a chunk
287			// file name.
288			// This is to make sure that "createFile" is still triggered
289			// (required old code) instead of "updateFile".
290			//
291			// TODO: resolve chunk file name here and implement "updateFile"
292			$path = $this->path . '/' . $name;
293			return $this->fileView->file_exists($path);
294			}
295
296			/**
297			* Deletes all files in this directory, and then itself
298			*
299			* @return void
300			* @throws FileLocked
301			* @throws \Sabre\DAV\Exception\Forbidden
302			*/
303			public function delete() {
304			if ($this->path === '' \|\| $this->path === '/' \|\| !$this->info->isDeletable()) {
305			throw new \Sabre\DAV\Exception\Forbidden();
306			}
307
308			try {
309			if (!$this->fileView->rmdir($this->path)) {
310			// assume it wasn't possible to remove due to permission issue
311			throw new \Sabre\DAV\Exception\Forbidden();
312			}
313			} catch (ForbiddenException $ex) {
314			throw new Forbidden($ex->getMessage(), $ex->getRetry());
315			} catch (LockedException $e) {
316			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
317			}
318			}
319
320			/**
321			* Returns available diskspace information
322			*
323			* @return array
324			*/
325			public function getQuotaInfo() {
326			if ($this->quotaInfo) {
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `$this->quotaInfo` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `! empty($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...
327			return $this->quotaInfo;
328			}
329			try {
330			$info = $this->fileView->getFileInfo($this->path, false);
331			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $info);
332			if ($storageInfo['quota'] === \OCP\Files\FileInfo::SPACE_UNLIMITED) {
333			$free = \OCP\Files\FileInfo::SPACE_UNLIMITED;
334			} else {
335			$free = $storageInfo['free'];
336			}
337			$this->quotaInfo = [
338			$storageInfo['used'],
339			$free
340			];
341			return $this->quotaInfo;
342			} catch (\OCP\Files\StorageNotAvailableException $e) {
343			return [0, 0];
344			}
345			}
346
347			/**
348			* Moves a node into this collection.
349			*
350			* It is up to the implementors to:
351			* 1. Create the new resource.
352			* 2. Remove the old resource.
353			* 3. Transfer any properties or other data.
354			*
355			* Generally you should make very sure that your collection can easily move
356			* the move.
357			*
358			* If you don't, just return false, which will trigger sabre/dav to handle
359			* the move itself. If you return true from this function, the assumption
360			* is that the move was successful.
361			*
362			* @param string $targetName New local file/collection name.
363			* @param string $fullSourcePath Full path to source node
364			* @param INode $sourceNode Source node itself
365			* @return bool
366			* @throws BadRequest
367			* @throws ServiceUnavailable
368			* @throws Forbidden
369			* @throws FileLocked
370			* @throws \Sabre\DAV\Exception\Forbidden
371			*/
372			public function moveInto($targetName, $fullSourcePath, INode $sourceNode) {
373			if (!$sourceNode instanceof Node) {
374			// it's a file of another kind, like FutureFile
375			if ($sourceNode instanceof IFile) {
376			// fallback to default copy+delete handling
377			return false;
378			}
379			throw new BadRequest('Incompatible node types');
380			}
381
382			if (!$this->fileView) {
383			throw new ServiceUnavailable('filesystem not setup');
384			}
385
386			$destinationPath = $this->getPath() . '/' . $targetName;
387
388
389			$targetNodeExists = $this->childExists($targetName);
390
391			// at getNodeForPath we also check the path for isForbiddenFileOrDir
392			// with that we have covered both source and destination
393			if ($sourceNode instanceof Directory && $targetNodeExists) {
394			throw new \Sabre\DAV\Exception\Forbidden('Could not copy directory ' . $sourceNode->getName() . ', target exists');
395			}
396
397			[$sourceDir,] = \Sabre\Uri\split($sourceNode->getPath());
398			$destinationDir = $this->getPath();
399
400			$sourcePath = $sourceNode->getPath();
401
402			$isMovableMount = false;
403			$sourceMount = \OC::$server->getMountManager()->find($this->fileView->getAbsolutePath($sourcePath));
404			$internalPath = $sourceMount->getInternalPath($this->fileView->getAbsolutePath($sourcePath));
405			if ($sourceMount instanceof MoveableMount && $internalPath === '') {
406			$isMovableMount = true;
407			}
408
409			try {
410			$sameFolder = ($sourceDir === $destinationDir);
411			// if we're overwriting or same folder
412			if ($targetNodeExists \|\| $sameFolder) {
413			// note that renaming a share mount point is always allowed
414			if (!$this->fileView->isUpdatable($destinationDir) && !$isMovableMount) {
415			throw new \Sabre\DAV\Exception\Forbidden();
416			}
417			} else {
418			if (!$this->fileView->isCreatable($destinationDir)) {
419			throw new \Sabre\DAV\Exception\Forbidden();
420			}
421			}
422
423			if (!$sameFolder) {
424			// moving to a different folder, source will be gone, like a deletion
425			// note that moving a share mount point is always allowed
426			if (!$this->fileView->isDeletable($sourcePath) && !$isMovableMount) {
427			throw new \Sabre\DAV\Exception\Forbidden();
428			}
429			}
430
431			$fileName = basename($destinationPath);
432			try {
433			$this->fileView->verifyPath($destinationDir, $fileName);
434			} catch (InvalidPathException $ex) {
435			throw new InvalidPath($ex->getMessage());
436			}
437
438			$renameOkay = $this->fileView->rename($sourcePath, $destinationPath);
439			if (!$renameOkay) {
440			throw new \Sabre\DAV\Exception\Forbidden('');
441			}
442			} catch (StorageNotAvailableException $e) {
443			throw new ServiceUnavailable($e->getMessage());
444			} catch (ForbiddenException $ex) {
445			throw new Forbidden($ex->getMessage(), $ex->getRetry());
446			} catch (LockedException $e) {
447			throw new FileLocked($e->getMessage(), $e->getCode(), $e);
448			}
449
450			return true;
451			}
452
453
454			public function copyInto($targetName, $sourcePath, INode $sourceNode) {
455			if ($sourceNode instanceof File) {
456			$destinationPath = $this->getPath() . '/' . $targetName;
457			$sourcePath = $sourceNode->getPath();
458
459			if (!$this->fileView->isCreatable($this->getPath())) {
460			throw new \Sabre\DAV\Exception\Forbidden();
461			}
462
463			try {
464			$this->fileView->verifyPath($this->getPath(), $targetName);
465			} catch (InvalidPathException $ex) {
466			throw new InvalidPath($ex->getMessage());
467			}
468
469			return $this->fileView->copy($sourcePath, $destinationPath);
470			}
471
472			return false;
473			}
474			}
475

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Directory::copyInto() A

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