Method bufferSourceToTempStream

src/FileRise/Domain/FileModel.php:462–514

(StorageAdapterInterface $srcStorage, string $srcPath)

    }

    private static function bufferSourceToTempStream(StorageAdapterInterface $srcStorage, string $srcPath): array
    {
        $tmpPath = @tempnam(self::tempTransferDir(), 'frxfer_');
        if ($tmpPath === false || $tmpPath === '') {
            return [false, null, ''];
        }

        $tmp = @fopen($tmpPath, 'w+b');
        if ($tmp === false) {
            @unlink($tmpPath);
            return [false, null, ''];
        }

        $bytes = 0;
        $stream = $srcStorage->openReadStream($srcPath);
        if (is_resource($stream)) {
            $copied = @stream_copy_to_stream($stream, $tmp);
            @fclose($stream);
            if ($copied === false) {
                @fclose($tmp);
                @unlink($tmpPath);
                return [false, null, ''];
            }
            $bytes = (int)$copied;
        } elseif (is_object($stream) && method_exists($stream, 'read')) {
            while (true) {
                $chunk = $stream->read(8192);
                if ($chunk === false || $chunk === '') {
                    break;
                }
                $written = @fwrite($tmp, $chunk);
                if ($written === false) {
                    if (method_exists($stream, 'close')) {
                        $stream->close();
                    }
                    @fclose($tmp);
                    @unlink($tmpPath);
                    return [false, null, ''];
                }
                $bytes += $written;
            }
            if (method_exists($stream, 'close')) {
                $stream->close();
            }
        } else {
            @fclose($tmp);
            @unlink($tmpPath);
            return [false, null, ''];
        }

        @rewind($tmp);
        return [$tmp, $bytes > 0 ? $bytes : null, $tmpPath];
    }

    public static function copyFilesAcrossSources(string $sourceId, string $destinationId, string $sourceFolder, string $destinationFolder, array $files): array
    {