Function serveFileFromStats

lib/plugins/static.js:95–143

(file, err, stats, isGzip, req, res, next)

    var re = new RegExp('^' + escapeRE(p) + '/?.*');

    function serveFileFromStats(file, err, stats, isGzip, req, res, next) {
        if (
            typeof req.connectionState === 'function' &&
            req.connectionState() === 'close'
        ) {
            next(false);
            return;
        }

        if (err) {
            next(new ResourceNotFoundError(err, '%s', req.path()));
            return;
        } else if (!stats.isFile()) {
            next(new ResourceNotFoundError('%s does not exist', req.path()));
            return;
        }

        if (res.handledGzip && isGzip) {
            res.handledGzip();
        }

        var fstream = fs.createReadStream(file + (isGzip ? '.gz' : ''));
        var maxAge = opts.maxAge === undefined ? 3600 : opts.maxAge;
        fstream.once('open', function onceOpen(fd) {
            res.cache({ maxAge: maxAge });
            res.set('Content-Length', stats.size);
            res.set('Content-Type', mime.getType(file));
            res.set('Last-Modified', stats.mtime);

            if (opts.charSet) {
                var type =
                    res.getHeader('Content-Type') + '; charset=' + opts.charSet;
                res.setHeader('Content-Type', type);
            }

            if (opts.etag) {
                res.set('ETag', opts.etag(stats, opts));
            }
            res.writeHead(200);
            fstream.pipe(res);
            fstream.once('close', function onceClose() {
                next(false);
            });
        });

        res.once('close', function onceClose() {
            fstream.close();
        });
    }

    function serveNormal(file, req, res, next) {
        fs.stat(file, function fileStat(err, stats) {