489 lines
16 KiB
PHP
489 lines
16 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace KTXM\FileManager\Controllers;
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use InvalidArgumentException;
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use KTXC\Http\Response\JsonResponse;
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use KTXC\Http\Response\Response;
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use KTXC\Http\Response\StreamedResponse;
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use KTXC\SessionIdentity;
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use KTXC\SessionTenant;
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use KTXF\Controller\ControllerAbstract;
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use KTXF\Files\Node\INodeCollectionBase;
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use KTXF\Files\Node\INodeEntityBase;
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use KTXF\Routing\Attributes\AuthenticatedRoute;
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use KTXM\FileManager\Manager;
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use KTXM\FileManager\Transfer\StreamingZip;
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use Psr\Log\LoggerInterface;
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use Throwable;
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/**
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* Controller for file transfers (downloads and uploads)
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*
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* Handles binary file transfers that don't fit the JSON API pattern:
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* - Single file downloads (streamed)
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* - Multi-file downloads as ZIP (streamed)
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* - Folder downloads as ZIP with structure preserved (streamed)
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* - Large file uploads (future)
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* - ZIP file uploads with extraction (future)
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*/
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class TransferController extends ControllerAbstract
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{
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public function __construct(
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private readonly SessionTenant $tenantIdentity,
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private readonly SessionIdentity $userIdentity,
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private Manager $fileManager,
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private readonly LoggerInterface $logger
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) {}
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/**
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* Download a single file
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*
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* GET /download/entity/{provider}/{service}/{collection}/{identifier}
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*/
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#[AuthenticatedRoute(
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'/download/entity/{provider}/{service}/{collection}/{identifier}',
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name: 'filemanager.download.entity',
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methods: ['GET']
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)]
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public function downloadEntity(
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string $provider,
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string $service,
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string $collection,
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string $identifier
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): Response {
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$tenantId = $this->tenantIdentity->identifier();
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$userId = $this->userIdentity->identifier();
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try {
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// Fetch entity metadata
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$entities = $this->fileManager->entityFetch(
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$tenantId,
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$userId,
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$provider,
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$service,
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$collection,
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[$identifier]
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);
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if (empty($entities) || !isset($entities[$identifier])) {
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => 404, 'message' => 'File not found']
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], Response::HTTP_NOT_FOUND);
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}
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/** @var INodeEntityBase $entity */
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$entity = $entities[$identifier];
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// Get the stream
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$stream = $this->fileManager->entityReadStream(
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$tenantId,
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$userId,
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$provider,
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$service,
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$collection,
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$identifier
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);
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if ($stream === null) {
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => 404, 'message' => 'File content not available']
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], Response::HTTP_NOT_FOUND);
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}
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$filename = $entity->getLabel() ?? 'download';
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$mime = $entity->getMime() ?? 'application/octet-stream';
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$size = $entity->size();
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// Create streamed response
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$response = new StreamedResponse(function () use ($stream) {
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while (!feof($stream)) {
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echo fread($stream, 65536);
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@ob_flush();
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flush();
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}
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fclose($stream);
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});
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$response->headers->set('Content-Type', $mime);
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$response->headers->set('Content-Length', (string) $size);
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$response->headers->set('Content-Disposition',
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$response->headers->makeDisposition('attachment', $filename, $this->asciiFallback($filename))
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);
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$response->headers->set('Cache-Control', 'private, no-cache');
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return $response;
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} catch (Throwable $t) {
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$this->logger->error('Download failed', ['exception' => $t]);
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => $t->getCode(), 'message' => $t->getMessage()]
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], Response::HTTP_INTERNAL_SERVER_ERROR);
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}
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}
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/**
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* Download multiple files as a ZIP archive
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*
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* GET /download/archive?provider=...&service=...&ids[]=...&ids[]=...
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*/
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#[AuthenticatedRoute(
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'/download/archive',
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name: 'filemanager.download.archive',
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methods: ['GET']
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)]
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public function downloadArchive(
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string $provider,
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string $service,
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array $ids = [],
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string $collection = null,
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string $name = 'download'
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): Response {
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$tenantId = $this->tenantIdentity->identifier();
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$userId = $this->userIdentity->identifier();
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if (empty($ids)) {
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => 400, 'message' => 'No file IDs provided']
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], Response::HTTP_BAD_REQUEST);
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}
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try {
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// Build list of files to include
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$files = $this->resolveFilesForArchive(
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$tenantId,
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$userId,
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$provider,
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$service,
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$collection,
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$ids
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);
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if (empty($files)) {
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => 404, 'message' => 'No files found']
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], Response::HTTP_NOT_FOUND);
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}
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$archiveName = $this->sanitizeFilename($name) . '.zip';
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// Create streamed ZIP response
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$response = new StreamedResponse(function () use ($files, $tenantId, $userId, $provider, $service) {
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$zip = new StreamingZip(null, false); // No compression for speed
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foreach ($files as $file) {
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$stream = $this->fileManager->entityReadStream(
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$tenantId,
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$userId,
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$provider,
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$service,
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$file['collection'],
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$file['id']
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);
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if ($stream !== null) {
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$zip->addFileFromStream(
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$file['path'],
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$stream,
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$file['modTime'] ?? null
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);
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fclose($stream);
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}
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}
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$zip->finish();
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});
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$response->headers->set('Content-Type', 'application/zip');
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$response->headers->set('Content-Disposition',
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$response->headers->makeDisposition('attachment', $archiveName, $this->asciiFallback($archiveName))
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);
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$response->headers->set('Cache-Control', 'private, no-cache');
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// No Content-Length since we're streaming
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return $response;
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} catch (Throwable $t) {
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$this->logger->error('Archive download failed', ['exception' => $t]);
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => $t->getCode(), 'message' => $t->getMessage()]
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], Response::HTTP_INTERNAL_SERVER_ERROR);
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}
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}
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/**
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* Download a collection (folder) as a ZIP archive with structure preserved
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*
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* GET /download/collection/{provider}/{service}/{identifier}
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*/
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#[AuthenticatedRoute(
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'/download/collection/{provider}/{service}/{identifier}',
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name: 'filemanager.download.collection',
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methods: ['GET']
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)]
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public function downloadCollection(
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string $provider,
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string $service,
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string $identifier
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): Response {
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$tenantId = $this->tenantIdentity->identifier();
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$userId = $this->userIdentity->identifier();
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try {
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// Fetch collection metadata
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$collection = $this->fileManager->collectionFetch(
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$tenantId,
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$userId,
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$provider,
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$service,
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$identifier
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);
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if ($collection === null) {
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => 404, 'message' => 'Folder not found']
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], Response::HTTP_NOT_FOUND);
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}
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$folderName = $collection->getLabel() ?? 'folder';
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$archiveName = $this->sanitizeFilename($folderName) . '.zip';
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// Build recursive file list
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$files = $this->resolveCollectionContents(
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$tenantId,
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$userId,
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$provider,
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$service,
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$identifier,
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'' // Base path (root of archive)
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);
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// Create streamed ZIP response
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$response = new StreamedResponse(function () use ($files, $tenantId, $userId, $provider, $service) {
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$zip = new StreamingZip(null, false);
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foreach ($files as $file) {
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if ($file['type'] === 'directory') {
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$zip->addDirectory($file['path'], $file['modTime'] ?? null);
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} else {
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$stream = $this->fileManager->entityReadStream(
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$tenantId,
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$userId,
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$provider,
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$service,
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$file['collection'],
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$file['id']
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);
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if ($stream !== null) {
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$zip->addFileFromStream(
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$file['path'],
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$stream,
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$file['modTime'] ?? null
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);
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fclose($stream);
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}
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}
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}
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$zip->finish();
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});
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$response->headers->set('Content-Type', 'application/zip');
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$response->headers->set('Content-Disposition',
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$response->headers->makeDisposition('attachment', $archiveName, $this->asciiFallback($archiveName))
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);
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$response->headers->set('Cache-Control', 'private, no-cache');
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return $response;
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} catch (Throwable $t) {
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$this->logger->error('Collection download failed', ['exception' => $t]);
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return new JsonResponse([
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'status' => 'error',
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'error' => ['code' => $t->getCode(), 'message' => $t->getMessage()]
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], Response::HTTP_INTERNAL_SERVER_ERROR);
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}
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}
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/**
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* Resolve a list of entity/collection IDs into a flat file list for archiving
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*/
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private function resolveFilesForArchive(
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string $tenantId,
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string $userId,
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string $provider,
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string $service,
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?string $collection,
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array $ids
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): array {
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$files = [];
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foreach ($ids as $id) {
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// Try as entity first
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if ($collection !== null) {
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$entities = $this->fileManager->entityFetch(
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$tenantId,
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$userId,
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$provider,
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$service,
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$collection,
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[$id]
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);
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if (!empty($entities) && isset($entities[$id])) {
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/** @var INodeEntityBase $entity */
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$entity = $entities[$id];
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$files[] = [
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'type' => 'file',
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'id' => $id,
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'collection' => $collection,
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'path' => $entity->getLabel() ?? $id,
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'modTime' => $entity->modifiedOn()?->getTimestamp(),
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];
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continue;
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}
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}
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// Try as collection (folder)
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$collectionNode = $this->fileManager->collectionFetch(
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$tenantId,
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$userId,
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$provider,
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$service,
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$id
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);
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if ($collectionNode !== null) {
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$folderName = $collectionNode->getLabel() ?? $id;
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$subFiles = $this->resolveCollectionContents(
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$tenantId,
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$userId,
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$provider,
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$service,
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$id,
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$folderName
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);
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$files = array_merge($files, $subFiles);
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}
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}
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return $files;
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}
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/**
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* Recursively resolve all contents of a collection into a flat file list
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*/
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private function resolveCollectionContents(
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string $tenantId,
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string $userId,
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string $provider,
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string $service,
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string $collectionId,
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string $basePath
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): array {
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$files = [];
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// Add directory entry if we have a path
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if ($basePath !== '') {
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$files[] = [
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'type' => 'directory',
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'path' => $basePath,
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'modTime' => null,
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];
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}
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// Get all nodes in this collection using nodeList with recursive=false
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// We handle recursion ourselves to build proper paths
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try {
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$nodes = $this->fileManager->nodeList(
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$tenantId,
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$userId,
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$provider,
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$service,
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$collectionId,
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false // Not recursive - we handle it ourselves
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);
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} catch (Throwable $e) {
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$this->logger->warning('Failed to list collection contents', [
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'collection' => $collectionId,
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'exception' => $e
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]);
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return $files;
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}
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foreach ($nodes as $node) {
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$nodeName = $node->getLabel() ?? (string) $node->id();
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$nodePath = $basePath !== '' ? $basePath . '/' . $nodeName : $nodeName;
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if ($node->isCollection()) {
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// Recursively get contents of sub-collection
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$subFiles = $this->resolveCollectionContents(
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$tenantId,
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$userId,
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$provider,
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$service,
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(string) $node->id(),
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$nodePath
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);
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$files = array_merge($files, $subFiles);
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} else {
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// It's an entity (file)
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/** @var INodeEntityBase $node */
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$files[] = [
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'type' => 'file',
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'id' => (string) $node->id(),
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'collection' => $collectionId,
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'path' => $nodePath,
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'modTime' => $node->modifiedOn()?->getTimestamp(),
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];
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}
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}
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return $files;
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}
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/**
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* Sanitize a filename for use in Content-Disposition header
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*/
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private function sanitizeFilename(string $filename): string
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{
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// Remove or replace problematic characters
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$filename = preg_replace('/[<>:"\/\\|?*\x00-\x1F]/', '_', $filename);
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$filename = trim($filename, '. ');
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if ($filename === '') {
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$filename = 'download';
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}
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return $filename;
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}
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/**
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* Create an ASCII-safe fallback filename
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*/
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private function asciiFallback(string $filename): string
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{
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// Transliterate to ASCII
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$fallback = transliterator_transliterate('Any-Latin; Latin-ASCII', $filename);
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if ($fallback === false) {
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$fallback = preg_replace('/[^\x20-\x7E]/', '_', $filename);
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}
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return $this->sanitizeFilename($fallback);
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}
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}
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