' + title + '

From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?= Date: Wed, 29 Nov 2017 11:44:34 +0300 Subject: Initial commit, version 0.5.3 --- node_modules/serve-static/index.js | 209 +++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 node_modules/serve-static/index.js (limited to 'node_modules/serve-static/index.js') diff --git a/node_modules/serve-static/index.js b/node_modules/serve-static/index.js new file mode 100644 index 0000000..3f77391 --- /dev/null +++ b/node_modules/serve-static/index.js @@ -0,0 +1,209 @@ +/*! + * serve-static + * Copyright(c) 2010 Sencha Inc. + * Copyright(c) 2011 TJ Holowaychuk + * Copyright(c) 2014-2016 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict' + +/** + * Module dependencies. + * @private + */ + +var encodeUrl = require('encodeurl') +var escapeHtml = require('escape-html') +var parseUrl = require('parseurl') +var resolve = require('path').resolve +var send = require('send') +var url = require('url') + +/** + * Module exports. + * @public + */ + +module.exports = serveStatic +module.exports.mime = send.mime + +/** + * @param {string} root + * @param {object} [options] + * @return {function} + * @public + */ + +function serveStatic (root, options) { + if (!root) { + throw new TypeError('root path required') + } + + if (typeof root !== 'string') { + throw new TypeError('root path must be a string') + } + + // copy options object + var opts = Object.create(options || null) + + // fall-though + var fallthrough = opts.fallthrough !== false + + // default redirect + var redirect = opts.redirect !== false + + // headers listener + var setHeaders = opts.setHeaders + + if (setHeaders && typeof setHeaders !== 'function') { + throw new TypeError('option setHeaders must be function') + } + + // setup options for send + opts.maxage = opts.maxage || opts.maxAge || 0 + opts.root = resolve(root) + + // construct directory listener + var onDirectory = redirect + ? createRedirectDirectoryListener() + : createNotFoundDirectoryListener() + + return function serveStatic (req, res, next) { + if (req.method !== 'GET' && req.method !== 'HEAD') { + if (fallthrough) { + return next() + } + + // method not allowed + res.statusCode = 405 + res.setHeader('Allow', 'GET, HEAD') + res.setHeader('Content-Length', '0') + res.end() + return + } + + var forwardError = !fallthrough + var originalUrl = parseUrl.original(req) + var path = parseUrl(req).pathname + + // make sure redirect occurs at mount + if (path === '/' && originalUrl.pathname.substr(-1) !== '/') { + path = '' + } + + // create send stream + var stream = send(req, path, opts) + + // add directory handler + stream.on('directory', onDirectory) + + // add headers listener + if (setHeaders) { + stream.on('headers', setHeaders) + } + + // add file listener for fallthrough + if (fallthrough) { + stream.on('file', function onFile () { + // once file is determined, always forward error + forwardError = true + }) + } + + // forward errors + stream.on('error', function error (err) { + if (forwardError || !(err.statusCode < 500)) { + next(err) + return + } + + next() + }) + + // pipe + stream.pipe(res) + } +} + +/** + * Collapse all leading slashes into a single slash + * @private + */ +function collapseLeadingSlashes (str) { + for (var i = 0; i < str.length; i++) { + if (str.charCodeAt(i) !== 0x2f /* / */) { + break + } + } + + return i > 1 + ? '/' + str.substr(i) + : str +} + + /** + * Create a minimal HTML document. + * + * @param {string} title + * @param {string} body + * @private + */ + +function createHtmlDocument (title, body) { + return '\n' + + '\n' + + '\n' + + '\n' + + '' + title + '\n' + + '\n' + + '\n' + + '

' + body + '

\n' + + '\n' +} + +/** + * Create a directory listener that just 404s. + * @private + */ + +function createNotFoundDirectoryListener () { + return function notFound () { + this.error(404) + } +} + +/** + * Create a directory listener that performs a redirect. + * @private + */ + +function createRedirectDirectoryListener () { + return function redirect (res) { + if (this.hasTrailingSlash()) { + this.error(404) + return + } + + // get original URL + var originalUrl = parseUrl.original(this.req) + + // append trailing slash + originalUrl.path = null + originalUrl.pathname = collapseLeadingSlashes(originalUrl.pathname + '/') + + // reformat the URL + var loc = encodeUrl(url.format(originalUrl)) + var doc = createHtmlDocument('Redirecting', 'Redirecting to ' + + escapeHtml(loc) + '') + + // send redirect response + res.statusCode = 301 + res.setHeader('Content-Type', 'text/html; charset=UTF-8') + res.setHeader('Content-Length', Buffer.byteLength(doc)) + res.setHeader('Content-Security-Policy', "default-src 'self'") + res.setHeader('X-Content-Type-Options', 'nosniff') + res.setHeader('Location', loc) + res.end(doc) + } +} -- cgit v1.2.3