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author | 2017-08-07 11:39:39 +0800 | |
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committer | 2017-08-07 11:39:39 +0800 | |
commit | 21d72c4a80fe2937d0c4ddd20624b27adbcd989b (patch) | |
tree | e5013ee12f74f8452e01cbff16e7b0158bc456cb /common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js | |
parent | f533e73e2ae32e010b16abdcf7985abaf31ab843 (diff) |
Upload the ESR GUI seed code
Issue-ID: AAI-68
Change-Id: Ia50ce0570c2fabecd77199d4e8454f56fe587c4e
Signed-off-by: lizi00164331 <li.zi30@zte.com.cn>
Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js | 502 |
1 files changed, 502 insertions, 0 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js b/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js new file mode 100644 index 0000000..557d050 --- /dev/null +++ b/common/src/main/webapp/usageguide/appserver/node_modules/express/lib/request.js @@ -0,0 +1,502 @@ +/*! + * express + * Copyright(c) 2009-2013 TJ Holowaychuk + * Copyright(c) 2013 Roman Shtylman + * Copyright(c) 2014-2015 Douglas Christopher Wilson + * MIT Licensed + */ + +'use strict'; + +/** + * Module dependencies. + * @private + */ + +var accepts = require('accepts'); +var deprecate = require('depd')('express'); +var isIP = require('net').isIP; +var typeis = require('type-is'); +var http = require('http'); +var fresh = require('fresh'); +var parseRange = require('range-parser'); +var parse = require('parseurl'); +var proxyaddr = require('proxy-addr'); + +/** + * Request prototype. + */ + +var req = exports = module.exports = { + __proto__: http.IncomingMessage.prototype +}; + +/** + * Return request header. + * + * The `Referrer` header field is special-cased, + * both `Referrer` and `Referer` are interchangeable. + * + * Examples: + * + * req.get('Content-Type'); + * // => "text/plain" + * + * req.get('content-type'); + * // => "text/plain" + * + * req.get('Something'); + * // => undefined + * + * Aliased as `req.header()`. + * + * @param {String} name + * @return {String} + * @public + */ + +req.get = +req.header = function header(name) { + if (!name) { + throw new TypeError('name argument is required to req.get'); + } + + if (typeof name !== 'string') { + throw new TypeError('name must be a string to req.get'); + } + + var lc = name.toLowerCase(); + + switch (lc) { + case 'referer': + case 'referrer': + return this.headers.referrer + || this.headers.referer; + default: + return this.headers[lc]; + } +}; + +/** + * To do: update docs. + * + * Check if the given `type(s)` is acceptable, returning + * the best match when true, otherwise `undefined`, in which + * case you should respond with 406 "Not Acceptable". + * + * The `type` value may be a single MIME type string + * such as "application/json", an extension name + * such as "json", a comma-delimited list such as "json, html, text/plain", + * an argument list such as `"json", "html", "text/plain"`, + * or an array `["json", "html", "text/plain"]`. When a list + * or array is given, the _best_ match, if any is returned. + * + * Examples: + * + * // Accept: text/html + * req.accepts('html'); + * // => "html" + * + * // Accept: text/*, application/json + * req.accepts('html'); + * // => "html" + * req.accepts('text/html'); + * // => "text/html" + * req.accepts('json, text'); + * // => "json" + * req.accepts('application/json'); + * // => "application/json" + * + * // Accept: text/*, application/json + * req.accepts('image/png'); + * req.accepts('png'); + * // => undefined + * + * // Accept: text/*;q=.5, application/json + * req.accepts(['html', 'json']); + * req.accepts('html', 'json'); + * req.accepts('html, json'); + * // => "json" + * + * @param {String|Array} type(s) + * @return {String|Array|Boolean} + * @public + */ + +req.accepts = function(){ + var accept = accepts(this); + return accept.types.apply(accept, arguments); +}; + +/** + * Check if the given `encoding`s are accepted. + * + * @param {String} ...encoding + * @return {String|Array} + * @public + */ + +req.acceptsEncodings = function(){ + var accept = accepts(this); + return accept.encodings.apply(accept, arguments); +}; + +req.acceptsEncoding = deprecate.function(req.acceptsEncodings, + 'req.acceptsEncoding: Use acceptsEncodings instead'); + +/** + * Check if the given `charset`s are acceptable, + * otherwise you should respond with 406 "Not Acceptable". + * + * @param {String} ...charset + * @return {String|Array} + * @public + */ + +req.acceptsCharsets = function(){ + var accept = accepts(this); + return accept.charsets.apply(accept, arguments); +}; + +req.acceptsCharset = deprecate.function(req.acceptsCharsets, + 'req.acceptsCharset: Use acceptsCharsets instead'); + +/** + * Check if the given `lang`s are acceptable, + * otherwise you should respond with 406 "Not Acceptable". + * + * @param {String} ...lang + * @return {String|Array} + * @public + */ + +req.acceptsLanguages = function(){ + var accept = accepts(this); + return accept.languages.apply(accept, arguments); +}; + +req.acceptsLanguage = deprecate.function(req.acceptsLanguages, + 'req.acceptsLanguage: Use acceptsLanguages instead'); + +/** + * Parse Range header field, capping to the given `size`. + * + * Unspecified ranges such as "0-" require knowledge of your resource length. In + * the case of a byte range this is of course the total number of bytes. If the + * Range header field is not given `undefined` is returned, `-1` when unsatisfiable, + * and `-2` when syntactically invalid. + * + * When ranges are returned, the array has a "type" property which is the type of + * range that is required (most commonly, "bytes"). Each array element is an object + * with a "start" and "end" property for the portion of the range. + * + * The "combine" option can be set to `true` and overlapping & adjacent ranges + * will be combined into a single range. + * + * NOTE: remember that ranges are inclusive, so for example "Range: users=0-3" + * should respond with 4 users when available, not 3. + * + * @param {number} size + * @param {object} [options] + * @param {boolean} [options.combine=false] + * @return {number|array} + * @public + */ + +req.range = function range(size, options) { + var range = this.get('Range'); + if (!range) return; + return parseRange(size, range, options); +}; + +/** + * Return the value of param `name` when present or `defaultValue`. + * + * - Checks route placeholders, ex: _/user/:id_ + * - Checks body params, ex: id=12, {"id":12} + * - Checks query string params, ex: ?id=12 + * + * To utilize request bodies, `req.body` + * should be an object. This can be done by using + * the `bodyParser()` middleware. + * + * @param {String} name + * @param {Mixed} [defaultValue] + * @return {String} + * @public + */ + +req.param = function param(name, defaultValue) { + var params = this.params || {}; + var body = this.body || {}; + var query = this.query || {}; + + var args = arguments.length === 1 + ? 'name' + : 'name, default'; + deprecate('req.param(' + args + '): Use req.params, req.body, or req.query instead'); + + if (null != params[name] && params.hasOwnProperty(name)) return params[name]; + if (null != body[name]) return body[name]; + if (null != query[name]) return query[name]; + + return defaultValue; +}; + +/** + * Check if the incoming request contains the "Content-Type" + * header field, and it contains the give mime `type`. + * + * Examples: + * + * // With Content-Type: text/html; charset=utf-8 + * req.is('html'); + * req.is('text/html'); + * req.is('text/*'); + * // => true + * + * // When Content-Type is application/json + * req.is('json'); + * req.is('application/json'); + * req.is('application/*'); + * // => true + * + * req.is('html'); + * // => false + * + * @param {String|Array} types... + * @return {String|false|null} + * @public + */ + +req.is = function is(types) { + var arr = types; + + // support flattened arguments + if (!Array.isArray(types)) { + arr = new Array(arguments.length); + for (var i = 0; i < arr.length; i++) { + arr[i] = arguments[i]; + } + } + + return typeis(this, arr); +}; + +/** + * Return the protocol string "http" or "https" + * when requested with TLS. When the "trust proxy" + * setting trusts the socket address, the + * "X-Forwarded-Proto" header field will be trusted + * and used if present. + * + * If you're running behind a reverse proxy that + * supplies https for you this may be enabled. + * + * @return {String} + * @public + */ + +defineGetter(req, 'protocol', function protocol(){ + var proto = this.connection.encrypted + ? 'https' + : 'http'; + var trust = this.app.get('trust proxy fn'); + + if (!trust(this.connection.remoteAddress, 0)) { + return proto; + } + + // Note: X-Forwarded-Proto is normally only ever a + // single value, but this is to be safe. + proto = this.get('X-Forwarded-Proto') || proto; + return proto.split(/\s*,\s*/)[0]; +}); + +/** + * Short-hand for: + * + * req.protocol === 'https' + * + * @return {Boolean} + * @public + */ + +defineGetter(req, 'secure', function secure(){ + return this.protocol === 'https'; +}); + +/** + * Return the remote address from the trusted proxy. + * + * The is the remote address on the socket unless + * "trust proxy" is set. + * + * @return {String} + * @public + */ + +defineGetter(req, 'ip', function ip(){ + var trust = this.app.get('trust proxy fn'); + return proxyaddr(this, trust); +}); + +/** + * When "trust proxy" is set, trusted proxy addresses + client. + * + * For example if the value were "client, proxy1, proxy2" + * you would receive the array `["client", "proxy1", "proxy2"]` + * where "proxy2" is the furthest down-stream and "proxy1" and + * "proxy2" were trusted. + * + * @return {Array} + * @public + */ + +defineGetter(req, 'ips', function ips() { + var trust = this.app.get('trust proxy fn'); + var addrs = proxyaddr.all(this, trust); + return addrs.slice(1).reverse(); +}); + +/** + * Return subdomains as an array. + * + * Subdomains are the dot-separated parts of the host before the main domain of + * the app. By default, the domain of the app is assumed to be the last two + * parts of the host. This can be changed by setting "subdomain offset". + * + * For example, if the domain is "tobi.ferrets.example.com": + * If "subdomain offset" is not set, req.subdomains is `["ferrets", "tobi"]`. + * If "subdomain offset" is 3, req.subdomains is `["tobi"]`. + * + * @return {Array} + * @public + */ + +defineGetter(req, 'subdomains', function subdomains() { + var hostname = this.hostname; + + if (!hostname) return []; + + var offset = this.app.get('subdomain offset'); + var subdomains = !isIP(hostname) + ? hostname.split('.').reverse() + : [hostname]; + + return subdomains.slice(offset); +}); + +/** + * Short-hand for `url.parse(req.url).pathname`. + * + * @return {String} + * @public + */ + +defineGetter(req, 'path', function path() { + return parse(this).pathname; +}); + +/** + * Parse the "Host" header field to a hostname. + * + * When the "trust proxy" setting trusts the socket + * address, the "X-Forwarded-Host" header field will + * be trusted. + * + * @return {String} + * @public + */ + +defineGetter(req, 'hostname', function hostname(){ + var trust = this.app.get('trust proxy fn'); + var host = this.get('X-Forwarded-Host'); + + if (!host || !trust(this.connection.remoteAddress, 0)) { + host = this.get('Host'); + } + + if (!host) return; + + // IPv6 literal support + var offset = host[0] === '[' + ? host.indexOf(']') + 1 + : 0; + var index = host.indexOf(':', offset); + + return index !== -1 + ? host.substring(0, index) + : host; +}); + +// TODO: change req.host to return host in next major + +defineGetter(req, 'host', deprecate.function(function host(){ + return this.hostname; +}, 'req.host: Use req.hostname instead')); + +/** + * Check if the request is fresh, aka + * Last-Modified and/or the ETag + * still match. + * + * @return {Boolean} + * @public + */ + +defineGetter(req, 'fresh', function(){ + var method = this.method; + var s = this.res.statusCode; + + // GET or HEAD for weak freshness validation only + if ('GET' !== method && 'HEAD' !== method) return false; + + // 2xx or 304 as per rfc2616 14.26 + if ((s >= 200 && s < 300) || 304 === s) { + return fresh(this.headers, (this.res._headers || {})); + } + + return false; +}); + +/** + * Check if the request is stale, aka + * "Last-Modified" and / or the "ETag" for the + * resource has changed. + * + * @return {Boolean} + * @public + */ + +defineGetter(req, 'stale', function stale(){ + return !this.fresh; +}); + +/** + * Check if the request was an _XMLHttpRequest_. + * + * @return {Boolean} + * @public + */ + +defineGetter(req, 'xhr', function xhr(){ + var val = this.get('X-Requested-With') || ''; + return val.toLowerCase() === 'xmlhttprequest'; +}); + +/** + * Helper function for creating a getter on an object. + * + * @param {Object} obj + * @param {String} name + * @param {Function} getter + * @private + */ +function defineGetter(obj, name, getter) { + Object.defineProperty(obj, name, { + configurable: true, + enumerable: true, + get: getter + }); +}; |