nextcloud/lib/private/files/storage/local.php

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<?php
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/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
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*/
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namespace OC\Files\Storage;
if (\OC_Util::runningOnWindows()) {
class Local extends MappedLocal {
}
} else {
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/**
* for local filestore, we only have to map the paths
*/
class Local extends \OC\Files\Storage\Common {
protected $datadir;
public function __construct($arguments) {
$this->datadir = $arguments['datadir'];
if (substr($this->datadir, -1) !== '/') {
$this->datadir .= '/';
}
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}
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public function __destruct() {
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}
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public function getId() {
return 'local::' . $this->datadir;
}
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public function mkdir($path) {
return @mkdir($this->getSourcePath($path), 0777, true);
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}
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public function rmdir($path) {
if (!$this->isDeletable($path)) {
return false;
}
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try {
$it = new \RecursiveIteratorIterator(
new \RecursiveDirectoryIterator($this->getSourcePath($path)),
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\RecursiveIteratorIterator::CHILD_FIRST
);
/**
* RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
* This bug is fixed in PHP 5.5.9 or before
* See #8376
*/
$it->rewind();
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while ($it->valid()) {
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/**
* @var \SplFileInfo $file
*/
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$file = $it->current();
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if (in_array($file->getBasename(), array('.', '..'))) {
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$it->next();
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continue;
} elseif ($file->isDir()) {
rmdir($file->getPathname());
} elseif ($file->isFile() || $file->isLink()) {
unlink($file->getPathname());
}
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$it->next();
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}
return rmdir($this->getSourcePath($path));
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} catch (\UnexpectedValueException $e) {
return false;
}
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}
public function opendir($path) {
return opendir($this->getSourcePath($path));
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}
public function is_dir($path) {
if (substr($path, -1) == '/') {
$path = substr($path, 0, -1);
}
return is_dir($this->getSourcePath($path));
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}
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public function is_file($path) {
return is_file($this->getSourcePath($path));
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}
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public function stat($path) {
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clearstatcache();
$fullPath = $this->getSourcePath($path);
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$statResult = stat($fullPath);
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if (PHP_INT_SIZE === 4 && !$this->is_dir($path)) {
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$filesize = $this->filesize($path);
$statResult['size'] = $filesize;
$statResult[7] = $filesize;
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}
return $statResult;
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}
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public function filetype($path) {
$filetype = filetype($this->getSourcePath($path));
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if ($filetype == 'link') {
$filetype = filetype(realpath($this->getSourcePath($path)));
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}
return $filetype;
}
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public function filesize($path) {
if ($this->is_dir($path)) {
return 0;
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}
$fullPath = $this->getSourcePath($path);
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if (PHP_INT_SIZE === 4) {
$helper = new \OC\LargeFileHelper;
return $helper->getFilesize($fullPath);
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}
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return filesize($fullPath);
}
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public function isReadable($path) {
return is_readable($this->getSourcePath($path));
}
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public function isUpdatable($path) {
return is_writable($this->getSourcePath($path));
}
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public function file_exists($path) {
return file_exists($this->getSourcePath($path));
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}
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public function filemtime($path) {
clearstatcache($this->getSourcePath($path));
return filemtime($this->getSourcePath($path));
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}
public function touch($path, $mtime = null) {
// sets the modification time of the file to the given value.
// If mtime is nil the current time is set.
// note that the access time of the file always changes to the current time.
if ($this->file_exists($path) and !$this->isUpdatable($path)) {
return false;
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}
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if (!is_null($mtime)) {
$result = touch($this->getSourcePath($path), $mtime);
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} else {
$result = touch($this->getSourcePath($path));
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}
if ($result) {
clearstatcache(true, $this->getSourcePath($path));
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}
return $result;
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}
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public function file_get_contents($path) {
return file_get_contents($this->getSourcePath($path));
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}
public function file_put_contents($path, $data) {
return file_put_contents($this->getSourcePath($path), $data);
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}
public function unlink($path) {
if ($this->is_dir($path)) {
return $this->rmdir($path);
} else if ($this->is_file($path)) {
return unlink($this->getSourcePath($path));
} else {
return false;
}
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}
public function rename($path1, $path2) {
$srcParent = dirname($path1);
$dstParent = dirname($path2);
if (!$this->isUpdatable($srcParent)) {
\OC_Log::write('core', 'unable to rename, source directory is not writable : ' . $srcParent, \OC_Log::ERROR);
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return false;
}
if (!$this->isUpdatable($dstParent)) {
\OC_Log::write('core', 'unable to rename, destination directory is not writable : ' . $dstParent, \OC_Log::ERROR);
return false;
}
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if (!$this->file_exists($path1)) {
\OC_Log::write('core', 'unable to rename, file does not exists : ' . $path1, \OC_Log::ERROR);
return false;
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}
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if ($this->is_dir($path2)) {
$this->rmdir($path2);
} else if ($this->is_file($path2)) {
$this->unlink($path2);
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}
return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
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}
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public function copy($path1, $path2) {
if ($this->is_dir($path1)) {
return parent::copy($path1, $path2);
} else {
return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
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}
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}
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public function fopen($path, $mode) {
return fopen($this->getSourcePath($path), $mode);
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}
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public function hash($type, $path, $raw = false) {
return hash_file($type, $this->getSourcePath($path), $raw);
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}
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public function free_space($path) {
$space = @disk_free_space($this->getSourcePath($path));
if ($space === false || is_null($space)) {
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return \OCP\Files\FileInfo::SPACE_UNKNOWN;
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}
return $space;
}
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public function search($query) {
return $this->searchInDir($query);
}
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public function getLocalFile($path) {
return $this->getSourcePath($path);
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}
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public function getLocalFolder($path) {
return $this->getSourcePath($path);
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}
/**
* @param string $query
*/
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protected function searchInDir($query, $dir = '') {
$files = array();
$physicalDir = $this->getSourcePath($dir);
foreach (scandir($physicalDir) as $item) {
if ($item == '.' || $item == '..')
continue;
$physicalItem = $physicalDir . '/' . $item;
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if (strstr(strtolower($item), strtolower($query)) !== false) {
$files[] = $dir . '/' . $item;
}
if (is_dir($physicalItem)) {
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$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
}
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}
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return $files;
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}
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/**
* check if a file or folder has been updated since $time
*
* @param string $path
* @param int $time
* @return bool
*/
public function hasUpdated($path, $time) {
if ($this->file_exists($path)) {
return $this->filemtime($path) > $time;
} else {
return true;
}
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}
/**
* Get the source path (on disk) of a given path
*
* @param string $path
* @return string
*/
protected function getSourcePath($path) {
$fullPath = $this->datadir . $path;
return $fullPath;
}
/**
* {@inheritdoc}
*/
public function isLocal() {
return true;
}
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/**
* get the ETag for a file or folder
*
* @param string $path
* @return string
*/
public function getETag($path) {
if ($this->is_file($path)) {
$stat = $this->stat($path);
return md5(
$stat['mtime'] .
$stat['ino'] .
$stat['dev'] .
$stat['size']
);
} else {
return parent::getETag($path);
}
}
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}
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}