FM / lib

/var/www/greso.tech/server/nsm/node_modules/express/lib/

/var/www/greso.tech/server/nsm/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/greso.tech/server/nsm/node_modules/express/lib/utils.js (5955B)

/*!
 * express
 * Copyright(c) 2009-2013 TJ Holowaychuk
 * Copyright(c) 2014-2015 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict';

/**
 * Module dependencies.
 * @api private
 */

var Buffer = require('safe-buffer').Buffer
var contentDisposition = require('content-disposition');
var contentType = require('content-type');
var deprecate = require('depd')('express');
var flatten = require('array-flatten');
var mime = require('send').mime;
var etag = require('etag');
var proxyaddr = require('proxy-addr');
var qs = require('qs');
var querystring = require('querystring');

/**
 * Return strong ETag for `body`.
 *
 * @param {String|Buffer} body
 * @param {String} [encoding]
 * @return {String}
 * @api private
 */

exports.etag = createETagGenerator({ weak: false })

/**
 * Return weak ETag for `body`.
 *
 * @param {String|Buffer} body
 * @param {String} [encoding]
 * @return {String}
 * @api private
 */

exports.wetag = createETagGenerator({ weak: true })

/**
 * Check if `path` looks absolute.
 *
 * @param {String} path
 * @return {Boolean}
 * @api private
 */

exports.isAbsolute = function(path){
  if ('/' === path[0]) return true;
  if (':' === path[1] && ('\\' === path[2] || '/' === path[2])) return true; // Windows device path
  if ('\\\\' === path.substring(0, 2)) return true; // Microsoft Azure absolute path
};

/**
 * Flatten the given `arr`.
 *
 * @param {Array} arr
 * @return {Array}
 * @api private
 */

exports.flatten = deprecate.function(flatten,
  'utils.flatten: use array-flatten npm module instead');

/**
 * Normalize the given `type`, for example "html" becomes "text/html".
 *
 * @param {String} type
 * @return {Object}
 * @api private
 */

exports.normalizeType = function(type){
  return ~type.indexOf('/')
    ? acceptParams(type)
    : { value: mime.lookup(type), params: {} };
};

/**
 * Normalize `types`, for example "html" becomes "text/html".
 *
 * @param {Array} types
 * @return {Array}
 * @api private
 */

exports.normalizeTypes = function(types){
  var ret = [];

for (var i = 0; i < types.length; ++i) {
    ret.push(exports.normalizeType(types[i]));
  }

return ret;
};

/**
 * Generate Content-Disposition header appropriate for the filename.
 * non-ascii filenames are urlencoded and a filename* parameter is added
 *
 * @param {String} filename
 * @return {String}
 * @api private
 */

exports.contentDisposition = deprecate.function(contentDisposition,
  'utils.contentDisposition: use content-disposition npm module instead');

/**
 * Parse accept params `str` returning an
 * object with `.value`, `.quality` and `.params`.
 * also includes `.originalIndex` for stable sorting
 *
 * @param {String} str
 * @param {Number} index
 * @return {Object}
 * @api private
 */

function acceptParams(str, index) {
  var parts = str.split(/ *; */);
  var ret = { value: parts[0], quality: 1, params: {}, originalIndex: index };

for (var i = 1; i < parts.length; ++i) {
    var pms = parts[i].split(/ *= */);
    if ('q' === pms[0]) {
      ret.quality = parseFloat(pms[1]);
    } else {
      ret.params[pms[0]] = pms[1];
    }
  }

return ret;
}

/**
 * Compile "etag" value to function.
 *
 * @param  {Boolean|String|Function} val
 * @return {Function}
 * @api private
 */

exports.compileETag = function(val) {
  var fn;

if (typeof val === 'function') {
    return val;
  }

switch (val) {
    case true:
    case 'weak':
      fn = exports.wetag;
      break;
    case false:
      break;
    case 'strong':
      fn = exports.etag;
      break;
    default:
      throw new TypeError('unknown value for etag function: ' + val);
  }

return fn;
}

/**
 * Compile "query parser" value to function.
 *
 * @param  {String|Function} val
 * @return {Function}
 * @api private
 */

exports.compileQueryParser = function compileQueryParser(val) {
  var fn;

if (typeof val === 'function') {
    return val;
  }

switch (val) {
    case true:
    case 'simple':
      fn = querystring.parse;
      break;
    case false:
      fn = newObject;
      break;
    case 'extended':
      fn = parseExtendedQueryString;
      break;
    default:
      throw new TypeError('unknown value for query parser function: ' + val);
  }

return fn;
}

/**
 * Compile "proxy trust" value to function.
 *
 * @param  {Boolean|String|Number|Array|Function} val
 * @return {Function}
 * @api private
 */

exports.compileTrust = function(val) {
  if (typeof val === 'function') return val;

if (val === true) {
    // Support plain true/false
    return function(){ return true };
  }

if (typeof val === 'number') {
    // Support trusting hop count
    return function(a, i){ return i < val };
  }

if (typeof val === 'string') {
    // Support comma-separated values
    val = val.split(',')
      .map(function (v) { return v.trim() })
  }

return proxyaddr.compile(val || []);
}

/**
 * Set the charset in a given Content-Type string.
 *
 * @param {String} type
 * @param {String} charset
 * @return {String}
 * @api private
 */

exports.setCharset = function setCharset(type, charset) {
  if (!type || !charset) {
    return type;
  }

// parse type
  var parsed = contentType.parse(type);

// set charset
  parsed.parameters.charset = charset;

// format type
  return contentType.format(parsed);
};

/**
 * Create an ETag generator function, generating ETags with
 * the given options.
 *
 * @param {object} options
 * @return {function}
 * @private
 */

function createETagGenerator (options) {
  return function generateETag (body, encoding) {
    var buf = !Buffer.isBuffer(body)
      ? Buffer.from(body, encoding)
      : body

return etag(buf, options)
  }
}

/**
 * Parse an extended query string with qs.
 *
 * @return {Object}
 * @private
 */

function parseExtendedQueryString(str) {
  return qs.parse(str, {
    allowPrototypes: true
  });
}

/**
 * Return new empty object.
 *
 * @return {Object}
 * @api private
 */

function newObject() {
  return {};
}

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