Method handleUpload

src/FileRise/Domain/UploadModel.php:874–1361

(array $post, array $files)

    }

    public static function handleUpload(array $post, array $files): array
    {
        $storage = StorageRegistry::getAdapter();
        $isLocal = self::isLocalSourceType();
        if (!$isLocal && $storage->isLocal()) {
            return ['error' => 'Remote storage adapter unavailable.'];
        }

        // --- GET resumable test (make folder handling consistent) ---
        if (
            (($_SERVER['REQUEST_METHOD'] ?? 'GET') === 'GET')
            && isset($post['resumableChunkNumber'], $post['resumableIdentifier'])
        ) {
            $chunkNumber         = (int)($post['resumableChunkNumber'] ?? 0);
            $resumableIdentifier = self::normalizeResumableIdentifier($post['resumableIdentifier'] ?? '');
            $folderSan           = self::sanitizeFolder((string)($post['folder'] ?? 'root'));

            if ($chunkNumber < 1 || $resumableIdentifier === null) {
                return ['error' => 'Invalid resumable upload request'];
            }

            $baseUploadDir = self::stagingRoot($isLocal);
            if ($folderSan !== '') {
                $baseUploadDir = rtrim($baseUploadDir, '/\\') . DIRECTORY_SEPARATOR
                    . str_replace('/', DIRECTORY_SEPARATOR, $folderSan) . DIRECTORY_SEPARATOR;
            }

            $tempDir = self::resumableTempDir($baseUploadDir, $resumableIdentifier);
            if ($tempDir === null) {
                return ['error' => 'Invalid resumable upload request'];
            }
            $chunkFile = $tempDir . $chunkNumber;

            return ['status' => file_exists($chunkFile) ? 'found' : 'not found'];
        }

        // --- CHUNKED (Resumable.js POST uploads) ---
        if (isset($post['resumableChunkNumber'])) {
            $chunkNumber         = (int)$post['resumableChunkNumber'];
            $totalChunks         = (int)$post['resumableTotalChunks'];
            $resumableIdentifier = self::normalizeResumableIdentifier($post['resumableIdentifier'] ?? '');
            $resumableFilename   = self::normalizeUploadFileName($post['resumableFilename'] ?? '');
            $relativeSubDir      = '';

            if ($chunkNumber < 1 || $totalChunks < 1 || $chunkNumber > $totalChunks || $resumableIdentifier === null || $resumableFilename === null) {
                return ['error' => 'Invalid resumable upload request'];
            }

            if (!empty($post['resumableRelativePath'])) {
                [$subDir, $relFile] = self::parseRelativePath((string)$post['resumableRelativePath']);
                if ($subDir === null) {
                    return ['error' => 'Invalid relative path'];
                }
                if ($relFile !== '') {
                    $resumableFilename = $relFile;
                }
                $relativeSubDir = $subDir;
            }