You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
158 lines
2.7 KiB
158 lines
2.7 KiB
/*!
|
|
* parseurl
|
|
* Copyright(c) 2014 Jonathan Ong
|
|
* Copyright(c) 2014-2017 Douglas Christopher Wilson
|
|
* MIT Licensed
|
|
*/
|
|
|
|
'use strict'
|
|
|
|
/**
|
|
* Module dependencies.
|
|
* @private
|
|
*/
|
|
|
|
var url = require('url')
|
|
var parse = url.parse
|
|
var Url = url.Url
|
|
|
|
/**
|
|
* Module exports.
|
|
* @public
|
|
*/
|
|
|
|
module.exports = parseurl
|
|
module.exports.original = originalurl
|
|
|
|
/**
|
|
* Parse the `req` url with memoization.
|
|
*
|
|
* @param {ServerRequest} req
|
|
* @return {Object}
|
|
* @public
|
|
*/
|
|
|
|
function parseurl (req) {
|
|
var url = req.url
|
|
|
|
if (url === undefined) {
|
|
// URL is undefined
|
|
return undefined
|
|
}
|
|
|
|
var parsed = req._parsedUrl
|
|
|
|
if (fresh(url, parsed)) {
|
|
// Return cached URL parse
|
|
return parsed
|
|
}
|
|
|
|
// Parse the URL
|
|
parsed = fastparse(url)
|
|
parsed._raw = url
|
|
|
|
return (req._parsedUrl = parsed)
|
|
};
|
|
|
|
/**
|
|
* Parse the `req` original url with fallback and memoization.
|
|
*
|
|
* @param {ServerRequest} req
|
|
* @return {Object}
|
|
* @public
|
|
*/
|
|
|
|
function originalurl (req) {
|
|
var url = req.originalUrl
|
|
|
|
if (typeof url !== 'string') {
|
|
// Fallback
|
|
return parseurl(req)
|
|
}
|
|
|
|
var parsed = req._parsedOriginalUrl
|
|
|
|
if (fresh(url, parsed)) {
|
|
// Return cached URL parse
|
|
return parsed
|
|
}
|
|
|
|
// Parse the URL
|
|
parsed = fastparse(url)
|
|
parsed._raw = url
|
|
|
|
return (req._parsedOriginalUrl = parsed)
|
|
};
|
|
|
|
/**
|
|
* Parse the `str` url with fast-path short-cut.
|
|
*
|
|
* @param {string} str
|
|
* @return {Object}
|
|
* @private
|
|
*/
|
|
|
|
function fastparse (str) {
|
|
if (typeof str !== 'string' || str.charCodeAt(0) !== 0x2f /* / */) {
|
|
return parse(str)
|
|
}
|
|
|
|
var pathname = str
|
|
var query = null
|
|
var search = null
|
|
|
|
// This takes the regexp from https://github.com/joyent/node/pull/7878
|
|
// Which is /^(\/[^?#\s]*)(\?[^#\s]*)?$/
|
|
// And unrolls it into a for loop
|
|
for (var i = 1; i < str.length; i++) {
|
|
switch (str.charCodeAt(i)) {
|
|
case 0x3f: /* ? */
|
|
if (search === null) {
|
|
pathname = str.substring(0, i)
|
|
query = str.substring(i + 1)
|
|
search = str.substring(i)
|
|
}
|
|
break
|
|
case 0x09: /* \t */
|
|
case 0x0a: /* \n */
|
|
case 0x0c: /* \f */
|
|
case 0x0d: /* \r */
|
|
case 0x20: /* */
|
|
case 0x23: /* # */
|
|
case 0xa0:
|
|
case 0xfeff:
|
|
return parse(str)
|
|
}
|
|
}
|
|
|
|
var url = Url !== undefined
|
|
? new Url()
|
|
: {}
|
|
|
|
url.path = str
|
|
url.href = str
|
|
url.pathname = pathname
|
|
|
|
if (search !== null) {
|
|
url.query = query
|
|
url.search = search
|
|
}
|
|
|
|
return url
|
|
}
|
|
|
|
/**
|
|
* Determine if parsed is still fresh for url.
|
|
*
|
|
* @param {string} url
|
|
* @param {object} parsedUrl
|
|
* @return {boolean}
|
|
* @private
|
|
*/
|
|
|
|
function fresh (url, parsedUrl) {
|
|
return typeof parsedUrl === 'object' &&
|
|
parsedUrl !== null &&
|
|
(Url === undefined || parsedUrl instanceof Url) &&
|
|
parsedUrl._raw === url
|
|
}
|
|
|