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<?php |
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declare(strict_types=1); |
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namespace Application\Handler; |
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use Ecodev\Felix\Handler\AbstractHandler; |
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use Laminas\Diactoros\Response; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class DownloadFile extends AbstractHandler |
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{ |
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public const COUNTER_PATH = 'data/download-file-counter/counter.txt'; |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$path = 'data/download-file-counter/file.pdf'; |
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$cookie_name = 'artisans_pdf_download_1'; |
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// Increment counter if no cookie = first visit |
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if (!isset($_COOKIE[$cookie_name])) { |
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$download_count = 0; |
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if (file_exists(self::COUNTER_PATH)) { |
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$download_count = (int) (file_get_contents(self::COUNTER_PATH)); |
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} |
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++$download_count; |
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file_put_contents(self::COUNTER_PATH, $download_count); |
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} |
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// Flag cookie |
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setcookie($cookie_name, 'true', time() + (86400 * 60), '/'); // 60 days |
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if (!is_readable($path)) { |
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return $this->createError('File not found on disk, or not readable'); |
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} |
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$resource = fopen($path, 'rb'); |
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if ($resource === false) { |
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return $this->createError('Cannot open file on disk'); |
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} |
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$size = filesize($path); |
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$response = new Response($resource, 200, [ |
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'content-type' => 'application/pdf', |
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'Content-Disposition' => 'attachment; filename="' . basename($path) . '"', |
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'content-length' => $size, |
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]); |
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return $response; |
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} |
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} |
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Ecodev /
artisans
