158 lines
2.6 KiB
JavaScript
158 lines
2.6 KiB
JavaScript
|
/*!
|
||
|
|
* body-parser
|
||
|
|
* Copyright(c) 2014-2015 Douglas Christopher Wilson
|
||
|
|
* MIT Licensed
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict'
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module dependencies.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
|
||
|
|
var deprecate = require('depd')('body-parser')
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cache of loaded parsers.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
|
||
|
|
var parsers = Object.create(null)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @typedef Parsers
|
||
|
|
* @type {function}
|
||
|
|
* @property {function} json
|
||
|
|
* @property {function} raw
|
||
|
|
* @property {function} text
|
||
|
|
* @property {function} urlencoded
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module exports.
|
||
|
|
* @type {Parsers}
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports = module.exports = deprecate.function(bodyParser,
|
||
|
|
'bodyParser: use individual json/urlencoded middlewares')
|
||
|
|
|
||
|
|
/**
|
||
|
|
* JSON parser.
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Object.defineProperty(exports, 'json', {
|
||
|
|
configurable: true,
|
||
|
|
enumerable: true,
|
||
|
|
get: createParserGetter('json')
|
||
|
|
})
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Raw parser.
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Object.defineProperty(exports, 'raw', {
|
||
|
|
configurable: true,
|
||
|
|
enumerable: true,
|
||
|
|
get: createParserGetter('raw')
|
||
|
|
})
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Text parser.
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Object.defineProperty(exports, 'text', {
|
||
|
|
configurable: true,
|
||
|
|
enumerable: true,
|
||
|
|
get: createParserGetter('text')
|
||
|
|
})
|
||
|
|
|
||
|
|
/**
|
||
|
|
* URL-encoded parser.
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Object.defineProperty(exports, 'urlencoded', {
|
||
|
|
configurable: true,
|
||
|
|
enumerable: true,
|
||
|
|
get: createParserGetter('urlencoded')
|
||
|
|
})
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a middleware to parse json and urlencoded bodies.
|
||
|
|
*
|
||
|
|
* @param {object} [options]
|
||
|
|
* @return {function}
|
||
|
|
* @deprecated
|
||
|
|
* @public
|
||
|
|
*/
|
||
|
|
|
||
|
|
function bodyParser (options) {
|
||
|
|
var opts = {}
|
||
|
|
|
||
|
|
// exclude type option
|
||
|
|
if (options) {
|
||
|
|
for (var prop in options) {
|
||
|
|
if (prop !== 'type') {
|
||
|
|
opts[prop] = options[prop]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var _urlencoded = exports.urlencoded(opts)
|
||
|
|
var _json = exports.json(opts)
|
||
|
|
|
||
|
|
return function bodyParser (req, res, next) {
|
||
|
|
_json(req, res, function (err) {
|
||
|
|
if (err) return next(err)
|
||
|
|
_urlencoded(req, res, next)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a getter for loading a parser.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
|
||
|
|
function createParserGetter (name) {
|
||
|
|
return function get () {
|
||
|
|
return loadParser(name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load a parser module.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
|
||
|
|
function loadParser (parserName) {
|
||
|
|
var parser = parsers[parserName]
|
||
|
|
|
||
|
|
if (parser !== undefined) {
|
||
|
|
return parser
|
||
|
|
}
|
||
|
|
|
||
|
|
// this uses a switch for static require analysis
|
||
|
|
switch (parserName) {
|
||
|
|
case 'json':
|
||
|
|
parser = require('./lib/types/json')
|
||
|
|
break
|
||
|
|
case 'raw':
|
||
|
|
parser = require('./lib/types/raw')
|
||
|
|
break
|
||
|
|
case 'text':
|
||
|
|
parser = require('./lib/types/text')
|
||
|
|
break
|
||
|
|
case 'urlencoded':
|
||
|
|
parser = require('./lib/types/urlencoded')
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
// store to prevent invoking require()
|
||
|
|
return (parsers[parserName] = parser)
|
||
|
|
}
|