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<?php declare(strict_types=1); |
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namespace Compolomus\BinaryFileStorage; |
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class Storage |
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{ |
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protected $dir; |
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protected $count; |
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protected $config; |
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protected $upload; |
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public function __construct(array $config = []) |
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{ |
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$defaultConfig = [ |
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'uploadDir' => 'upload', |
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'prefix' => '', |
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'addMetaFile' => true, |
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'firstDirLen' => 2, |
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'secondDirLen' => 2 |
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]; |
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$this->config = array_merge($defaultConfig, $config); |
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$this->dir = $this->createStorageDir($config['uploadDir'] . DIRECTORY_SEPARATOR . $config['prefix']); |
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$this->upload = new Upload($this->dir); |
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$this->count = count($this->map()); |
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} |
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private function createStorageDir(string $dir): string |
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{ |
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if (!is_dir($dir)) { |
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mkdir(rtrim($dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . 'tmp', 0750, true); |
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} |
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return $dir; |
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} |
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public function check(array $input): ?array |
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{ |
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if (count($input)) { |
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return $this->add($this->upload->process($input)); |
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} |
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return null; |
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} |
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public function count(): int |
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{ |
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return $this->count; |
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} |
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public function lastInsert(int $files = 1, int $offset = 0): ?\LimitIterator |
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{ |
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return ($this->count >= $files ? new \LimitIterator($this->map(), $offset, $files) : null); |
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} |
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public function download(string $file): ?\SplFileObject |
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{ |
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$fileName = is_file($file) ? $file : $this->dirName($file) . DIRECTORY_SEPARATOR . $file; |
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return is_file($fileName) ? new \SplFileObject($fileName) : null; |
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} |
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private function add(array $file): array |
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{ |
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return array_map([$this, 'cpFile'], $file); |
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} |
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protected function cpFile(File $file): array |
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{ |
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$data = $file->getData(); |
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$md5 = $data['md5']; |
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$dir = $this->createDir($md5); |
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$item = $dir . DIRECTORY_SEPARATOR . $md5; |
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rename($data['path'], $item); |
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$meta = [ |
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'name' => $data['name'], |
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'ext' => $data['ext'], |
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'size' => $data['size'], |
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'type' => $data['type'], |
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'path' => $item, |
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'bin' => $md5 |
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]; |
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if ($this->config['addMetaFile']) { |
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file_put_contents($item . '.php', "<?php\n\n" . 'return ' . var_export($meta, true) . ";\n"); |
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} |
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return $meta; |
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} |
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public function fileSize(int $size): string |
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{ |
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$alpha = [" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB"]; |
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return $size ? round($size / pow(1024, ($iterator = floor(log($size, 1024)))), |
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2) . $alpha[(int) $iterator] : '0 Bytes'; |
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} |
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public function dirName(string $file): string |
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{ |
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return $this->dir . DIRECTORY_SEPARATOR . substr($file, 0, |
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$this->config['firstDirLen']) . DIRECTORY_SEPARATOR . substr($file, $this->config['firstDirLen'], |
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$this->config['secondDirLen']); |
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} |
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public function getInfoFile(string $file): ?array |
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{ |
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$fileName = $this->dirName($file) . DIRECTORY_SEPARATOR . $file . '.php'; |
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return is_file($fileName) ? include $fileName : null; |
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} |
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public function map(): \ArrayIterator |
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{ |
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$files = []; |
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foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->dir), |
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\RecursiveIteratorIterator::CHILD_FIRST) as $fullFileName => $splFileObject) { |
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if ($splFileObject->isFile() && $splFileObject->getExtension() != 'php') { |
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$files[basename($fullFileName)] = [ |
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'file' => $splFileObject->getRealPath(), |
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'time' => $splFileObject->getMTime() |
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]; |
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} |
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uasort($files, function(array $first, array $second): int { |
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return ($first['time'] <=> $second['time']); |
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}); |
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} |
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return new \ArrayIterator($files); |
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} |
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private function createDir(string $md5): string |
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{ |
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$dir = $this->dirName($md5); |
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if (!is_dir($dir)) { |
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mkdir($dir . DIRECTORY_SEPARATOR, 0750, true); |
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} |
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return $dir; |
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} |
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} |
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Compolomus /
BinaryFileStorage
