nextcloud/lib/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.
*/
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->datadir . $path);
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}
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public function rmdir($path) {
return @rmdir($this->datadir . $path);
}
public function opendir($path) {
return opendir($this->datadir . $path);
}
public function is_dir($path) {
if (substr($path, -1) == '/') {
$path = substr($path, 0, -1);
}
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return is_dir($this->datadir . $path);
}
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public function is_file($path) {
return is_file($this->datadir . $path);
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}
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public function stat($path) {
$fullPath = $this->datadir . $path;
$statResult = stat($fullPath);
if ($statResult['size'] < 0) {
$size = self::getFileSizeFromOS($fullPath);
$statResult['size'] = $size;
$statResult[7] = $size;
}
return $statResult;
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}
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public function filetype($path) {
$filetype = filetype($this->datadir . $path);
if ($filetype == 'link') {
$filetype = filetype(realpath($this->datadir . $path));
}
return $filetype;
}
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public function filesize($path) {
if ($this->is_dir($path)) {
return 0;
} else {
$fullPath = $this->datadir . $path;
$fileSize = filesize($fullPath);
if ($fileSize < 0) {
return self::getFileSizeFromOS($fullPath);
}
return $fileSize;
}
}
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public function isReadable($path) {
return is_readable($this->datadir . $path);
}
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public function isUpdatable($path) {
return is_writable($this->datadir . $path);
}
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public function file_exists($path) {
return file_exists($this->datadir . $path);
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}
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public function filemtime($path) {
return filemtime($this->datadir . $path);
}
public function touch($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->datadir . $path, $mtime);
} else {
$result = touch($this->datadir . $path);
}
if ($result) {
clearstatcache(true, $this->datadir . $path);
}
return $result;
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}
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public function file_get_contents($path) {
return file_get_contents($this->datadir . $path);
}
public function file_put_contents($path, $data) { //trigger_error("$path = ".var_export($path, 1));
return file_put_contents($this->datadir . $path, $data);
}
public function unlink($path) {
return $this->delTree($path);
}
public function rename($path1, $path2) {
if (!$this->isUpdatable($path1)) {
\OC_Log::write('core', 'unable to rename, file is not writable : ' . $path1, \OC_Log::ERROR);
return false;
}
if (!$this->file_exists($path1)) {
\OC_Log::write('core', 'unable to rename, file does not exists : ' . $path1, \OC_Log::ERROR);
return false;
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}
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if ($return = rename($this->datadir . $path1, $this->datadir . $path2)) {
}
return $return;
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}
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public function copy($path1, $path2) {
if ($this->is_dir($path2)) {
if (!$this->file_exists($path2)) {
$this->mkdir($path2);
}
$source = substr($path1, strrpos($path1, '/') + 1);
$path2 .= $source;
}
return copy($this->datadir . $path1, $this->datadir . $path2);
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}
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public function fopen($path, $mode) {
if ($return = fopen($this->datadir . $path, $mode)) {
switch ($mode) {
case 'r':
break;
case 'r+':
case 'w+':
case 'x+':
case 'a+':
break;
case 'w':
case 'x':
case 'a':
break;
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}
}
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return $return;
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}
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public function getMimeType($path) {
if ($this->isReadable($path)) {
return \OC_Helper::getMimeType($this->datadir . $path);
} else {
return false;
}
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}
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private function delTree($dir) {
$dirRelative = $dir;
$dir = $this->datadir . $dir;
if (!file_exists($dir)) return true;
if (!is_dir($dir) || is_link($dir)) return unlink($dir);
foreach (scandir($dir) as $item) {
if ($item == '.' || $item == '..') continue;
if (is_file($dir . '/' . $item)) {
if (unlink($dir . '/' . $item)) {
}
} elseif (is_dir($dir . '/' . $item)) {
if (!$this->delTree($dirRelative . "/" . $item)) {
return false;
};
}
}
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if ($return = rmdir($dir)) {
}
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return $return;
}
private static function getFileSizeFromOS($fullPath) {
$name = strtolower(php_uname('s'));
// Windows OS: we use COM to access the filesystem
if (strpos($name, 'win') !== false) {
if (class_exists('COM')) {
$fsobj = new \COM("Scripting.FileSystemObject");
$f = $fsobj->GetFile($fullPath);
return $f->Size;
}
} else if (strpos($name, 'bsd') !== false) {
if (\OC_Helper::is_function_enabled('exec')) {
return (float)exec('stat -f %z ' . escapeshellarg($fullPath));
}
} else if (strpos($name, 'linux') !== false) {
if (\OC_Helper::is_function_enabled('exec')) {
return (float)exec('stat -c %s ' . escapeshellarg($fullPath));
}
} else {
\OC_Log::write('core',
'Unable to determine file size of "' . $fullPath . '". Unknown OS: ' . $name,
\OC_Log::ERROR);
}
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return 0;
}
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public function hash($path, $type, $raw = false) {
return hash_file($type, $this->datadir . $path, $raw);
}
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public function free_space($path) {
$space = @disk_free_space($this->datadir . $path);
if ($space === false) {
return \OC\Files\FREE_SPACE_UNKNOWN;
}
return $space;
}
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public function search($query) {
return $this->searchInDir($query);
}
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public function getLocalFile($path) {
return $this->datadir . $path;
}
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public function getLocalFolder($path) {
return $this->datadir . $path;
}
protected function searchInDir($query, $dir = '') {
$files = array();
foreach (scandir($this->datadir . $dir) as $item) {
if ($item == '.' || $item == '..') continue;
if (strstr(strtolower($item), strtolower($query)) !== false) {
$files[] = $dir . '/' . $item;
}
if (is_dir($this->datadir . $dir . '/' . $item)) {
$files = array_merge($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) {
return $this->filemtime($path) > $time;
}
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}
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}