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103 lines
2.3 KiB
JavaScript
103 lines
2.3 KiB
JavaScript
/*!
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* Connect - static
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* Copyright(c) 2010 Sencha Inc.
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* Copyright(c) 2011 TJ Holowaychuk
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var send = require('send')
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, utils = require('../utils')
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, parse = utils.parseUrl
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, url = require('url');
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/**
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* Static:
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*
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* Static file server with the given `root` path.
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*
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* Examples:
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*
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* var oneDay = 86400000;
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*
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* connect()
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* .use(connect.static(__dirname + '/public'))
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*
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* connect()
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* .use(connect.static(__dirname + '/public', { maxAge: oneDay }))
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*
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* Options:
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*
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* - `maxAge` Browser cache maxAge in milliseconds. defaults to 0
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* - `hidden` Allow transfer of hidden files. defaults to false
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* - `redirect` Redirect to trailing "/" when the pathname is a dir. defaults to true
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* - `index` Default file name, defaults to 'index.html'
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*
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* @param {String} root
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* @param {Object} options
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* @return {Function}
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* @api public
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*/
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exports = module.exports = function(root, options){
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options = options || {};
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// root required
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if (!root) throw new Error('static() root path required');
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// default redirect
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var redirect = false !== options.redirect;
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return function staticMiddleware(req, res, next) {
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if ('GET' != req.method && 'HEAD' != req.method) return next();
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var originalUrl = url.parse(req.originalUrl);
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var path = parse(req).pathname;
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var pause = utils.pause(req);
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if (path == '/' && originalUrl.pathname[originalUrl.pathname.length - 1] != '/') {
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return directory();
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}
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function resume() {
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next();
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pause.resume();
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}
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function directory() {
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if (!redirect) return resume();
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var target;
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originalUrl.pathname += '/';
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target = url.format(originalUrl);
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res.statusCode = 303;
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res.setHeader('Location', target);
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res.end('Redirecting to ' + utils.escape(target));
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}
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function error(err) {
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if (404 == err.status) return resume();
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next(err);
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}
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send(req, path)
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.maxage(options.maxAge || 0)
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.root(root)
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.index(options.index || 'index.html')
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.hidden(options.hidden)
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.on('error', error)
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.on('directory', directory)
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.pipe(res);
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};
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};
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/**
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* Expose mime module.
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*
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* If you wish to extend the mime table use this
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* reference to the "mime" module in the npm registry.
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*/
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exports.mime = send.mime;
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