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Diffstat (limited to 'node_modules/serve-static/index.js')
-rw-r--r-- | node_modules/serve-static/index.js | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/node_modules/serve-static/index.js b/node_modules/serve-static/index.js deleted file mode 100644 index 75ddd29..0000000 --- a/node_modules/serve-static/index.js +++ /dev/null @@ -1,210 +0,0 @@ -/*! - * 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 '<!DOCTYPE html>\n' + - '<html lang="en">\n' + - '<head>\n' + - '<meta charset="utf-8">\n' + - '<title>' + title + '</title>\n' + - '</head>\n' + - '<body>\n' + - '<pre>' + body + '</pre>\n' + - '</body>\n' + - '</html>\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 <a href="' + escapeHtml(loc) + '">' + - escapeHtml(loc) + '</a>') - - // 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) - } -} |