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<?php |
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use Nip\Filesystem\Exception\IOException; |
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/** |
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* Class Nip_File_System |
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*/ |
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class Nip_File_System |
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{ |
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protected $_uploadErrors = [ |
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0 => 'There is no error, the file uploaded with success', |
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1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini', |
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2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form', |
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3 => 'The uploaded file was only partially uploaded', |
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4 => 'No file was uploaded', |
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6 => 'Missing a temporary folder', |
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]; |
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/** |
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* Singleton. |
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* |
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* @return self |
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*/ |
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public static function instance() |
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{ |
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static $instance; |
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if (!($instance instanceof self)) { |
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$instance = new self(); |
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} |
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return $instance; |
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} |
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/** |
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* Returns error message on upload, if any. |
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* |
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* @param string $file |
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* @param array $extensions |
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* |
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* @return mixed |
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*/ |
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public function getUploadError($file, $extensions = []) |
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{ |
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$messages = [ |
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'max_post' => 'POST exceeded maximum allowed size.', |
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'no_upload' => 'No upload found in \$_FILES', |
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'bad_upload' => 'Upload failed is_uploaded_file test.', |
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'no_name' => 'File has no name.', |
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'bad_extension' => 'Invalid file extension', |
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]; |
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$errorCode = $this->getUploadErrorNo($file, $extensions); |
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if (is_int($errorCode)) { |
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$translateSlug = 'general.errors.upload.code-'.$errorCode; |
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return app('translator')->hasTranslation($translateSlug) ? __($translateSlug) : $this->_uploadErrors[$errorCode]; |
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} elseif (is_string($errorCode)) { |
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$translateSlug = 'general.errors.upload.'.$errorCode; |
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return app('translator')->hasTranslation($translateSlug) ? __($translateSlug) : $messages[$errorCode]; |
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} |
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return false; |
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} |
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/** |
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* Returns error message on upload, if any. |
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* |
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* @param string $file |
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* @param array $extensions |
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* |
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* @return mixed |
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*/ |
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public function getUploadErrorNo($file, $extensions = []) |
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{ |
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$result = false; |
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$maxUpload = ini_get('post_max_size'); |
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$unit = strtoupper(substr($maxUpload, -1)); |
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$multiplier = $unit == 'M' ? 1048576 : ($unit == 'K' ? 1024 : ($unit == 'G' ? 1073741824 : 1)); |
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if ($maxUpload && ((int)$_SERVER['CONTENT_LENGTH'] > $multiplier * (int)$maxUpload)) { |
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$result = 'max_post'; |
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} |
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if (!isset($file)) { |
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$result = 'no_upload'; |
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} else { |
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if (isset($file['error']) && $file['error'] != 0) { |
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$result = $file['error']; |
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} else { |
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if (!isset($file['tmp_name']) || !@is_uploaded_file($file['tmp_name'])) { |
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$result = 'bad_upload'; |
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} else { |
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if (!isset($file['name'])) { |
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$result = 'no_name'; |
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} |
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} |
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} |
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} |
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if ($extensions && !in_array($this->getExtension($file['name']), $extensions)) { |
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$result = 'bad_extension'; |
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} |
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return $result; |
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} |
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/** |
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* Get file extension. |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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public function getExtension($str) |
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{ |
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return strtolower(pathinfo($str, PATHINFO_EXTENSION)); |
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} |
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/** |
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* Gets list of all files within a directory. |
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* |
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* @param string $dir |
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* @param bool $recursive |
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* |
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* @return array |
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*/ |
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public function scanDirectory($dir, $recursive = false, $fullPaths = false) |
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{ |
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$result = []; |
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if (is_dir($dir)) { |
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if ($recursive) { |
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$iterator = new RecursiveDirectoryIterator($dir); |
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foreach (new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::CHILD_FIRST) as $file) { |
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if ($file->isFile()) { |
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$result[] = ($fullPaths ? $file->getPath().DIRECTORY_SEPARATOR : '').$file->getFilename(); |
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} |
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} |
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} else { |
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$iterator = new DirectoryIterator($dir); |
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foreach ($iterator as $file) { |
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if ($file->isFile()) { |
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$result[] = $file->getFilename(); |
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} |
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} |
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} |
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} |
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return $result; |
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} |
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/** |
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* Recursively create a directory and set it's permissions. |
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* |
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* @param string $dir |
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* @param int $mode |
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* |
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* @return bool |
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*/ |
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public function createDirectory($dir, $mode = 0777) |
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{ |
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return is_dir($dir) ? true : mkdir($dir, $mode, true); |
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} |
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/** |
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* Builds array-tree of directory, with files as final nodes. |
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* |
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* @param string $dir |
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* @param array $tree |
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* |
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* @return array |
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*/ |
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public function directoryTree($dir, $tree = []) |
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{ |
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$dir = realpath($dir); |
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$d = dir($dir); |
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while (false != ($entry = $d->read())) { |
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$complete = $d->path.'/'.$entry; |
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if (!in_array($entry, ['.', '..', '.svn'])) { |
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if (is_dir($complete)) { |
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$tree[$entry] = $this->directoryTree($complete, $tree[$dir][$entry]); |
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} else { |
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$tree[] = $entry; |
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} |
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} |
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} |
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$d->close(); |
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return $tree; |
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} |
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/** |
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* Recursively empties a directory. |
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* |
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* @param string $dir |
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*/ |
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public function emptyDirectory($dir) |
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{ |
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$dir = rtrim($dir, '/'); |
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$files = scandir($dir); |
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array_shift($files); |
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array_shift($files); |
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foreach ($files as $file) { |
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$file = $dir.'/'.$file; |
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if (is_dir($file)) { |
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$this->removeDirectory($file); |
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} else { |
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unlink($file); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Recursively removes a directory. |
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* |
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* @param string $dir |
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*/ |
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public function removeDirectory($dir) |
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{ |
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$dir = rtrim($dir, '/'); |
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if (is_dir($dir)) { |
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$files = scandir($dir); |
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foreach ($files as $file) { |
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if (!in_array($file, ['.', '..'])) { |
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$file = $dir.DIRECTORY_SEPARATOR.$file; |
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if (is_dir($file)) { |
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$this->removeDirectory($file); |
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} else { |
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unlink($file); |
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} |
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} |
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} |
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rmdir($dir); |
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} |
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} |
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public function deleteFile($path) |
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{ |
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if (file_exists($path)) { |
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unlink($path); |
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} |
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return $this; |
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} |
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/** |
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* @param $source |
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* @param $destination |
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* @return mixed |
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*/ |
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public function copyDirectory($source, $destination) |
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{ |
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if (!is_dir($destination)) { |
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mkdir($destination, 0755, true); |
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} |
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$process = new Nip_Process("cp -R -f $source/* $destination"); |
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return $process->run(); |
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} |
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/** |
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* @param $bytes |
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* @return string |
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*/ |
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public function formatSize($bytes) |
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{ |
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if (!$bytes) { |
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return '0 kb'; |
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} |
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$s = ['b', 'kb', 'MB', 'GB', 'TB', 'PB']; |
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$e = floor(log($bytes) / log(1024)); |
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return sprintf('%.2f '.$s[$e], ($bytes / pow(1024, floor($e)))); |
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} |
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/** |
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* @param $file |
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* @param $mode |
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*/ |
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public function chmod($file, $mode) |
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{ |
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if (true !== @chmod($file, $mode)) { |
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throw new IOException(sprintf('Failed to chmod file "%s".', $file), 0, null, $file); |
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} |
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} |
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} |
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