FM / lib

/var/www/qr4y.gr/server/delivery/node_modules/express/lib/

/var/www/qr4y.gr/server/delivery/node_modules/express/lib

Name	Size	Mode	Actions
middleware/	-	0755	rm
router/	-	0755	rm
application.js	14593	0644	edit dl rm
express.js	2409	0644	edit dl rm
request.js	12505	0644	edit dl rm
response.js	28014	0644	edit dl rm
utils.js	5955	0644	edit dl rm
view.js	3325	0644	edit dl rm

Edit: /var/www/qr4y.gr/server/delivery/node_modules/express/lib/request.js (12505B)

/*!
 * 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.
 * @public
 */

var req = Object.create(http.IncomingMessage.prototype)

/**
 * Module exports.
 * @public
 */

module.exports = req

/**
 * 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 given 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.
  var header = this.get('X-Forwarded-Proto') || proto
  var index = header.indexOf(',')

return index !== -1
    ? header.substring(0, index).trim()
    : header.trim()
});

/**
 * 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);

// reverse the order (to farthest -> closest)
  // and remove socket address
  addrs.reverse().pop()

return addrs
});

/**
 * 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');
  } else if (host.indexOf(',') !== -1) {
    // Note: X-Forwarded-Host is normally only ever a
    //       single value, but this is to be safe.
    host = host.substring(0, host.indexOf(',')).trimRight()
  }

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 res = this.res
  var status = 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 ((status >= 200 && status < 300) || 304 === status) {
    return fresh(this.headers, {
      'etag': res.get('ETag'),
      'last-modified': res.get('Last-Modified')
    })
  }

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
  });
}

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