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<?php |
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namespace Orkhanahmadov\ZipValidator; |
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use Illuminate\Support\Collection; |
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use Orkhanahmadov\ZipValidator\Exceptions\ZipException; |
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use ZipArchive; |
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class Validator |
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{ |
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/** |
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* @var Collection |
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*/ |
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private $files; |
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/** |
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* @var bool |
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*/ |
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private $allowEmpty; |
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/** |
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* ZipValidator constructor. |
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* |
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* @param array|string $files |
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* @param bool $allowEmpty |
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*/ |
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public function __construct($files, bool $allowEmpty = true) |
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{ |
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$this->files = Collection::make($files); |
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$this->allowEmpty = $allowEmpty; |
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} |
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/** |
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* Static function instantiate Validator class with given rules |
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* |
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* @param array|string $files |
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* |
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* @param bool $allowEmpty |
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* |
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* @return Validator |
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*/ |
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public static function rules($files, bool $allowEmpty = true): Validator |
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{ |
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return new static($files, $allowEmpty); |
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} |
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/** |
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* Validates ZIP content with given file path. |
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* |
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* @param string $filePath |
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* |
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* @return Collection |
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*/ |
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public function validate(string $filePath): Collection |
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{ |
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$zipContent = $this->readContent($filePath); |
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return $this->files |
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->reject(function ($value, $key) use ($zipContent) { |
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return $this->checkFile($zipContent, $value, $key); |
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})->map(function ($value, $key) { |
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return is_int($key) ? $value : $key; |
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}); |
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} |
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/** |
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* @param Collection $zipContent |
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* @param string|int $value |
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* @param string|int $key |
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* |
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* @return bool |
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*/ |
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public function checkFile(Collection $zipContent, $value, $key): bool |
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{ |
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if (! is_int($value)) { |
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$entityName = $this->contains($zipContent->pluck('name'), $value); |
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if ($this->allowEmpty) { |
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return (bool) $entityName; |
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} |
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return $zipContent->firstWhere('name', $entityName)['size'] > 0; |
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} |
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$entityName = $this->contains($zipContent->pluck('name'), $key); |
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if (! $entityName) { |
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return false; |
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} |
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$entitySize = $zipContent->firstWhere('name', $entityName)['size']; |
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if ($this->allowEmpty) { |
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return $entitySize <= $value; |
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} |
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return $entitySize > 0 && $entitySize <= $value; |
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} |
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/** |
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* Checks if file name exists in ZIP file. Returns matching file name, null otherwise. |
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* |
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* @param Collection $names |
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* @param string $search |
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* |
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* @return string|null |
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*/ |
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public function contains(Collection $names, string $search): ?string |
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{ |
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$options = explode('|', $search); |
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return $names->first(function ($name) use ($options) { |
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foreach ($options as $option) { |
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if (fnmatch($option, $name)) { |
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return true; |
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} |
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} |
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return false; |
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}); |
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} |
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/** |
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* Reads ZIP file content and returns collection with result. |
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* |
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* @param string $filePath |
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* |
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* @return Collection |
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*/ |
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private function readContent(string $filePath): Collection |
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{ |
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$zip = new ZipArchive(); |
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$zipOpen = $zip->open($filePath); |
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throw_unless($zipOpen === true, new ZipException($zipOpen)); |
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$content = collect(); |
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for ($i = 0; $i < $zip->count(); $i++) { |
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$content->add($zip->statIndex($i)); |
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} |
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$zip->close(); |
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return $content; |
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} |
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} |
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orkhanahmadov /
laravel-zip-validator
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