1329 lines
39 KiB
JavaScript
Executable File
1329 lines
39 KiB
JavaScript
Executable File
// Copyright 2010-2012 Mikeal Rogers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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var http = require('http')
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, https = false
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, tls = false
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, url = require('url')
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, util = require('util')
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, stream = require('stream')
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, qs = require('qs')
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, querystring = require('querystring')
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, crypto = require('crypto')
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, oauth = require('oauth-sign')
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, hawk = require('hawk')
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, aws = require('aws-sign')
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, uuid = require('node-uuid')
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, mime = require('mime')
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, tunnel = require('tunnel-agent')
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, safeStringify = require('json-stringify-safe')
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, ForeverAgent = require('forever-agent')
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, FormData = require('form-data')
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, Cookie = require('cookie-jar')
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, CookieJar = Cookie.Jar
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, cookieJar = new CookieJar
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;
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try {
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https = require('https')
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} catch (e) {}
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try {
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tls = require('tls')
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} catch (e) {}
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var debug
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if (/\brequest\b/.test(process.env.NODE_DEBUG)) {
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debug = function() {
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console.error('REQUEST %s', util.format.apply(util, arguments))
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}
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} else {
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debug = function() {}
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}
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function toBase64 (str) {
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return (new Buffer(str || "", "ascii")).toString("base64")
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}
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function md5 (str) {
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return crypto.createHash('md5').update(str).digest('hex')
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}
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// Hacky fix for pre-0.4.4 https
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if (https && !https.Agent) {
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https.Agent = function (options) {
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http.Agent.call(this, options)
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}
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util.inherits(https.Agent, http.Agent)
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https.Agent.prototype._getConnection = function (host, port, cb) {
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var s = tls.connect(port, host, this.options, function () {
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// do other checks here?
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if (cb) cb()
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})
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return s
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}
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}
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function isReadStream (rs) {
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if (rs.readable && rs.path && rs.mode) {
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return true
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}
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}
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function copy (obj) {
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var o = {}
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Object.keys(obj).forEach(function (i) {
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o[i] = obj[i]
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})
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return o
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}
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var isUrl = /^https?:/
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var globalPool = {}
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function Request (options) {
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stream.Stream.call(this)
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this.readable = true
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this.writable = true
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if (typeof options === 'string') {
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options = {uri:options}
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}
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var reserved = Object.keys(Request.prototype)
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for (var i in options) {
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if (reserved.indexOf(i) === -1) {
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this[i] = options[i]
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} else {
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if (typeof options[i] === 'function') {
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delete options[i]
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}
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}
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}
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this.init(options)
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}
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util.inherits(Request, stream.Stream)
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Request.prototype.init = function (options) {
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// init() contains all the code to setup the request object.
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// the actual outgoing request is not started until start() is called
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// this function is called from both the constructor and on redirect.
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var self = this
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if (!options) options = {}
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self.method = options.method || 'GET'
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debug(options)
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if (!self.pool && self.pool !== false) self.pool = globalPool
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self.dests = self.dests || []
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self.__isRequestRequest = true
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// Protect against double callback
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if (!self._callback && self.callback) {
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self._callback = self.callback
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self.callback = function () {
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if (self._callbackCalled) return // Print a warning maybe?
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self._callbackCalled = true
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self._callback.apply(self, arguments)
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}
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self.on('error', self.callback.bind())
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self.on('complete', self.callback.bind(self, null))
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}
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if (self.url) {
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// People use this property instead all the time so why not just support it.
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self.uri = self.url
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delete self.url
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}
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if (!self.uri) {
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// this will throw if unhandled but is handleable when in a redirect
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return self.emit('error', new Error("options.uri is a required argument"))
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} else {
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if (typeof self.uri == "string") self.uri = url.parse(self.uri)
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}
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if (self.proxy) {
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if (typeof self.proxy == 'string') self.proxy = url.parse(self.proxy)
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// do the HTTP CONNECT dance using koichik/node-tunnel
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if (http.globalAgent && self.uri.protocol === "https:") {
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var tunnelFn = self.proxy.protocol === "http:"
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? tunnel.httpsOverHttp : tunnel.httpsOverHttps
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var tunnelOptions = { proxy: { host: self.proxy.hostname
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, port: +self.proxy.port
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, proxyAuth: self.proxy.auth
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, headers: { Host: self.uri.hostname + ':' +
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(self.uri.port || self.uri.protocol === 'https:' ? 443 : 80) }}
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, ca: this.ca }
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self.agent = tunnelFn(tunnelOptions)
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self.tunnel = true
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}
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}
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if (!self.uri.host || !self.uri.pathname) {
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// Invalid URI: it may generate lot of bad errors, like "TypeError: Cannot call method 'indexOf' of undefined" in CookieJar
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// Detect and reject it as soon as possible
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var faultyUri = url.format(self.uri)
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var message = 'Invalid URI "' + faultyUri + '"'
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if (Object.keys(options).length === 0) {
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// No option ? This can be the sign of a redirect
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// As this is a case where the user cannot do anything (he didn't call request directly with this URL)
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// he should be warned that it can be caused by a redirection (can save some hair)
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message += '. This can be caused by a crappy redirection.'
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}
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self.emit('error', new Error(message))
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return // This error was fatal
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}
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self._redirectsFollowed = self._redirectsFollowed || 0
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self.maxRedirects = (self.maxRedirects !== undefined) ? self.maxRedirects : 10
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self.followRedirect = (self.followRedirect !== undefined) ? self.followRedirect : true
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self.followAllRedirects = (self.followAllRedirects !== undefined) ? self.followAllRedirects : false
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if (self.followRedirect || self.followAllRedirects)
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self.redirects = self.redirects || []
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self.headers = self.headers ? copy(self.headers) : {}
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self.setHost = false
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if (!(self.headers.host || self.headers.Host)) {
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self.headers.host = self.uri.hostname
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if (self.uri.port) {
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if ( !(self.uri.port === 80 && self.uri.protocol === 'http:') &&
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!(self.uri.port === 443 && self.uri.protocol === 'https:') )
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self.headers.host += (':'+self.uri.port)
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}
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self.setHost = true
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}
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self.jar(self._jar || options.jar)
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if (!self.uri.pathname) {self.uri.pathname = '/'}
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if (!self.uri.port) {
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if (self.uri.protocol == 'http:') {self.uri.port = 80}
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else if (self.uri.protocol == 'https:') {self.uri.port = 443}
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}
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if (self.proxy && !self.tunnel) {
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self.port = self.proxy.port
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self.host = self.proxy.hostname
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} else {
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self.port = self.uri.port
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self.host = self.uri.hostname
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}
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self.clientErrorHandler = function (error) {
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if (self._aborted) return
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if (self.req && self.req._reusedSocket && error.code === 'ECONNRESET'
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&& self.agent.addRequestNoreuse) {
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self.agent = { addRequest: self.agent.addRequestNoreuse.bind(self.agent) }
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self.start()
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self.req.end()
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return
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}
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if (self.timeout && self.timeoutTimer) {
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clearTimeout(self.timeoutTimer)
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self.timeoutTimer = null
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}
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self.emit('error', error)
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}
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self._parserErrorHandler = function (error) {
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if (this.res) {
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if (this.res.request) {
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this.res.request.emit('error', error)
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} else {
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this.res.emit('error', error)
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}
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} else {
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this._httpMessage.emit('error', error)
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}
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}
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if (options.form) {
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self.form(options.form)
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}
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if (options.qs) self.qs(options.qs)
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if (self.uri.path) {
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self.path = self.uri.path
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} else {
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self.path = self.uri.pathname + (self.uri.search || "")
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}
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if (self.path.length === 0) self.path = '/'
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// Auth must happen last in case signing is dependent on other headers
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if (options.oauth) {
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self.oauth(options.oauth)
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}
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if (options.aws) {
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self.aws(options.aws)
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}
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if (options.hawk) {
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self.hawk(options.hawk)
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}
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if (options.auth) {
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self.auth(
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options.auth.user || options.auth.username,
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options.auth.pass || options.auth.password,
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options.auth.sendImmediately)
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}
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if (self.uri.auth && !self.headers.authorization) {
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var authPieces = self.uri.auth.split(':').map(function(item){ return querystring.unescape(item) })
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self.auth(authPieces[0], authPieces[1], true)
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}
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if (self.proxy && self.proxy.auth && !self.headers['proxy-authorization'] && !self.tunnel) {
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self.headers['proxy-authorization'] = "Basic " + toBase64(self.proxy.auth.split(':').map(function(item){ return querystring.unescape(item)}).join(':'))
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}
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if (self.proxy && !self.tunnel) self.path = (self.uri.protocol + '//' + self.uri.host + self.path)
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if (options.json) {
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self.json(options.json)
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} else if (options.multipart) {
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self.boundary = uuid()
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self.multipart(options.multipart)
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}
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if (self.body) {
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var length = 0
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if (!Buffer.isBuffer(self.body)) {
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if (Array.isArray(self.body)) {
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for (var i = 0; i < self.body.length; i++) {
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length += self.body[i].length
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}
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} else {
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self.body = new Buffer(self.body)
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length = self.body.length
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}
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} else {
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length = self.body.length
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}
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if (length) {
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if(!self.headers['content-length'] && !self.headers['Content-Length'])
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self.headers['content-length'] = length
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} else {
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throw new Error('Argument error, options.body.')
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}
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}
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var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol
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, defaultModules = {'http:':http, 'https:':https}
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, httpModules = self.httpModules || {}
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;
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self.httpModule = httpModules[protocol] || defaultModules[protocol]
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if (!self.httpModule) return this.emit('error', new Error("Invalid protocol"))
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if (options.ca) self.ca = options.ca
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if (!self.agent) {
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if (options.agentOptions) self.agentOptions = options.agentOptions
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if (options.agentClass) {
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self.agentClass = options.agentClass
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} else if (options.forever) {
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self.agentClass = protocol === 'http:' ? ForeverAgent : ForeverAgent.SSL
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} else {
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self.agentClass = self.httpModule.Agent
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}
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}
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if (self.strictSSL === false) {
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self.rejectUnauthorized = false
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}
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if (self.pool === false) {
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self.agent = false
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} else {
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self.agent = self.agent || self.getAgent()
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if (self.maxSockets) {
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// Don't use our pooling if node has the refactored client
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self.agent.maxSockets = self.maxSockets
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}
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if (self.pool.maxSockets) {
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// Don't use our pooling if node has the refactored client
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self.agent.maxSockets = self.pool.maxSockets
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}
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}
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self.once('pipe', function (src) {
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if (self.ntick && self._started) throw new Error("You cannot pipe to this stream after the outbound request has started.")
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self.src = src
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if (isReadStream(src)) {
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if (!self.headers['content-type'] && !self.headers['Content-Type'])
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self.headers['content-type'] = mime.lookup(src.path)
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} else {
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if (src.headers) {
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for (var i in src.headers) {
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if (!self.headers[i]) {
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self.headers[i] = src.headers[i]
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}
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}
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}
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if (self._json && !self.headers['content-type'] && !self.headers['Content-Type'])
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self.headers['content-type'] = 'application/json'
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if (src.method && !self.method) {
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self.method = src.method
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}
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}
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self.on('pipe', function () {
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console.error("You have already piped to this stream. Pipeing twice is likely to break the request.")
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})
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})
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process.nextTick(function () {
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if (self._aborted) return
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if (self._form) {
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self.setHeaders(self._form.getHeaders())
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self._form.pipe(self)
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}
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if (self.body) {
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if (Array.isArray(self.body)) {
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self.body.forEach(function (part) {
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self.write(part)
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})
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} else {
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self.write(self.body)
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}
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self.end()
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} else if (self.requestBodyStream) {
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console.warn("options.requestBodyStream is deprecated, please pass the request object to stream.pipe.")
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self.requestBodyStream.pipe(self)
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} else if (!self.src) {
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if (self.method !== 'GET' && typeof self.method !== 'undefined') {
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self.headers['content-length'] = 0
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}
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self.end()
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}
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self.ntick = true
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})
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}
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// Must call this when following a redirect from https to http or vice versa
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// Attempts to keep everything as identical as possible, but update the
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// httpModule, Tunneling agent, and/or Forever Agent in use.
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Request.prototype._updateProtocol = function () {
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var self = this
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var protocol = self.uri.protocol
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if (protocol === 'https:') {
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// previously was doing http, now doing https
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// if it's https, then we might need to tunnel now.
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if (self.proxy) {
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self.tunnel = true
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var tunnelFn = self.proxy.protocol === 'http:'
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? tunnel.httpsOverHttp : tunnel.httpsOverHttps
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var tunnelOptions = { proxy: { host: self.proxy.hostname
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, port: +self.proxy.port
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, proxyAuth: self.proxy.auth }
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, ca: self.ca }
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self.agent = tunnelFn(tunnelOptions)
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return
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}
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self.httpModule = https
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switch (self.agentClass) {
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case ForeverAgent:
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self.agentClass = ForeverAgent.SSL
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break
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case http.Agent:
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self.agentClass = https.Agent
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break
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default:
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// nothing we can do. Just hope for the best.
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return
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}
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// if there's an agent, we need to get a new one.
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if (self.agent) self.agent = self.getAgent()
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} else {
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// previously was doing https, now doing http
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// stop any tunneling.
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if (self.tunnel) self.tunnel = false
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self.httpModule = http
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switch (self.agentClass) {
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case ForeverAgent.SSL:
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self.agentClass = ForeverAgent
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break
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case https.Agent:
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self.agentClass = http.Agent
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break
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default:
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// nothing we can do. just hope for the best
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return
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}
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// if there's an agent, then get a new one.
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if (self.agent) {
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self.agent = null
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self.agent = self.getAgent()
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}
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}
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}
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|
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Request.prototype.getAgent = function () {
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var Agent = this.agentClass
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var options = {}
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if (this.agentOptions) {
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for (var i in this.agentOptions) {
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options[i] = this.agentOptions[i]
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}
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}
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if (this.ca) options.ca = this.ca
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if (typeof this.rejectUnauthorized !== 'undefined') options.rejectUnauthorized = this.rejectUnauthorized
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if (this.cert && this.key) {
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options.key = this.key
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options.cert = this.cert
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}
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var poolKey = ''
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// different types of agents are in different pools
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if (Agent !== this.httpModule.Agent) {
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poolKey += Agent.name
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}
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|
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if (!this.httpModule.globalAgent) {
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// node 0.4.x
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options.host = this.host
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options.port = this.port
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if (poolKey) poolKey += ':'
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poolKey += this.host + ':' + this.port
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}
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|
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// ca option is only relevant if proxy or destination are https
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var proxy = this.proxy
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if (typeof proxy === 'string') proxy = url.parse(proxy)
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var isHttps = (proxy && proxy.protocol === 'https:') || this.uri.protocol === 'https:'
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if (isHttps) {
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if (options.ca) {
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if (poolKey) poolKey += ':'
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poolKey += options.ca
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}
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|
|
if (typeof options.rejectUnauthorized !== 'undefined') {
|
|
if (poolKey) poolKey += ':'
|
|
poolKey += options.rejectUnauthorized
|
|
}
|
|
|
|
if (options.cert)
|
|
poolKey += options.cert.toString('ascii') + options.key.toString('ascii')
|
|
}
|
|
|
|
if (!poolKey && Agent === this.httpModule.Agent && this.httpModule.globalAgent) {
|
|
// not doing anything special. Use the globalAgent
|
|
return this.httpModule.globalAgent
|
|
}
|
|
|
|
// we're using a stored agent. Make sure it's protocol-specific
|
|
poolKey = this.uri.protocol + poolKey
|
|
|
|
// already generated an agent for this setting
|
|
if (this.pool[poolKey]) return this.pool[poolKey]
|
|
|
|
return this.pool[poolKey] = new Agent(options)
|
|
}
|
|
|
|
Request.prototype.start = function () {
|
|
// start() is called once we are ready to send the outgoing HTTP request.
|
|
// this is usually called on the first write(), end() or on nextTick()
|
|
var self = this
|
|
|
|
if (self._aborted) return
|
|
|
|
self._started = true
|
|
self.method = self.method || 'GET'
|
|
self.href = self.uri.href
|
|
|
|
if (self.src && self.src.stat && self.src.stat.size && !self.headers['content-length'] && !self.headers['Content-Length']) {
|
|
self.headers['content-length'] = self.src.stat.size
|
|
}
|
|
if (self._aws) {
|
|
self.aws(self._aws, true)
|
|
}
|
|
|
|
// We have a method named auth, which is completely different from the http.request
|
|
// auth option. If we don't remove it, we're gonna have a bad time.
|
|
var reqOptions = copy(self)
|
|
delete reqOptions.auth
|
|
|
|
debug('make request', self.uri.href)
|
|
self.req = self.httpModule.request(reqOptions, self.onResponse.bind(self))
|
|
|
|
if (self.timeout && !self.timeoutTimer) {
|
|
self.timeoutTimer = setTimeout(function () {
|
|
self.req.abort()
|
|
var e = new Error("ETIMEDOUT")
|
|
e.code = "ETIMEDOUT"
|
|
self.emit("error", e)
|
|
}, self.timeout)
|
|
|
|
// Set additional timeout on socket - in case if remote
|
|
// server freeze after sending headers
|
|
if (self.req.setTimeout) { // only works on node 0.6+
|
|
self.req.setTimeout(self.timeout, function () {
|
|
if (self.req) {
|
|
self.req.abort()
|
|
var e = new Error("ESOCKETTIMEDOUT")
|
|
e.code = "ESOCKETTIMEDOUT"
|
|
self.emit("error", e)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
self.req.on('error', self.clientErrorHandler)
|
|
self.req.on('drain', function() {
|
|
self.emit('drain')
|
|
})
|
|
self.on('end', function() {
|
|
if ( self.req.connection ) self.req.connection.removeListener('error', self._parserErrorHandler)
|
|
})
|
|
self.emit('request', self.req)
|
|
}
|
|
Request.prototype.onResponse = function (response) {
|
|
var self = this
|
|
debug('onResponse', self.uri.href, response.statusCode, response.headers)
|
|
response.on('end', function() {
|
|
debug('response end', self.uri.href, response.statusCode, response.headers)
|
|
});
|
|
|
|
if (response.connection.listeners('error').indexOf(self._parserErrorHandler) === -1) {
|
|
response.connection.once('error', self._parserErrorHandler)
|
|
}
|
|
if (self._aborted) {
|
|
debug('aborted', self.uri.href)
|
|
response.resume()
|
|
return
|
|
}
|
|
if (self._paused) response.pause()
|
|
else response.resume()
|
|
|
|
self.response = response
|
|
response.request = self
|
|
response.toJSON = toJSON
|
|
|
|
// XXX This is different on 0.10, because SSL is strict by default
|
|
if (self.httpModule === https &&
|
|
self.strictSSL &&
|
|
!response.client.authorized) {
|
|
debug('strict ssl error', self.uri.href)
|
|
var sslErr = response.client.authorizationError
|
|
self.emit('error', new Error('SSL Error: '+ sslErr))
|
|
return
|
|
}
|
|
|
|
if (self.setHost) delete self.headers.host
|
|
if (self.timeout && self.timeoutTimer) {
|
|
clearTimeout(self.timeoutTimer)
|
|
self.timeoutTimer = null
|
|
}
|
|
|
|
var addCookie = function (cookie) {
|
|
if (self._jar) self._jar.add(new Cookie(cookie))
|
|
else cookieJar.add(new Cookie(cookie))
|
|
}
|
|
|
|
if (response.headers['set-cookie'] && (!self._disableCookies)) {
|
|
if (Array.isArray(response.headers['set-cookie'])) response.headers['set-cookie'].forEach(addCookie)
|
|
else addCookie(response.headers['set-cookie'])
|
|
}
|
|
|
|
var redirectTo = null
|
|
if (response.statusCode >= 300 && response.statusCode < 400 && response.headers.location) {
|
|
debug('redirect', response.headers.location)
|
|
|
|
if (self.followAllRedirects) {
|
|
redirectTo = response.headers.location
|
|
} else if (self.followRedirect) {
|
|
switch (self.method) {
|
|
case 'PATCH':
|
|
case 'PUT':
|
|
case 'POST':
|
|
case 'DELETE':
|
|
// Do not follow redirects
|
|
break
|
|
default:
|
|
redirectTo = response.headers.location
|
|
break
|
|
}
|
|
}
|
|
} else if (response.statusCode == 401 && self._hasAuth && !self._sentAuth) {
|
|
var authHeader = response.headers['www-authenticate']
|
|
var authVerb = authHeader && authHeader.split(' ')[0]
|
|
debug('reauth', authVerb)
|
|
|
|
switch (authVerb) {
|
|
case 'Basic':
|
|
self.auth(self._user, self._pass, true)
|
|
redirectTo = self.uri
|
|
break
|
|
|
|
case 'Digest':
|
|
// TODO: More complete implementation of RFC 2617. For reference:
|
|
// http://tools.ietf.org/html/rfc2617#section-3
|
|
// https://github.com/bagder/curl/blob/master/lib/http_digest.c
|
|
|
|
var matches = authHeader.match(/([a-z0-9_-]+)="([^"]+)"/gi)
|
|
var challenge = {}
|
|
|
|
for (var i = 0; i < matches.length; i++) {
|
|
var eqPos = matches[i].indexOf('=')
|
|
var key = matches[i].substring(0, eqPos)
|
|
var quotedValue = matches[i].substring(eqPos + 1)
|
|
challenge[key] = quotedValue.substring(1, quotedValue.length - 1)
|
|
}
|
|
|
|
var ha1 = md5(self._user + ':' + challenge.realm + ':' + self._pass)
|
|
var ha2 = md5(self.method + ':' + self.uri.path)
|
|
var digestResponse = md5(ha1 + ':' + challenge.nonce + ':1::auth:' + ha2)
|
|
var authValues = {
|
|
username: self._user,
|
|
realm: challenge.realm,
|
|
nonce: challenge.nonce,
|
|
uri: self.uri.path,
|
|
qop: challenge.qop,
|
|
response: digestResponse,
|
|
nc: 1,
|
|
cnonce: ''
|
|
}
|
|
|
|
authHeader = []
|
|
for (var k in authValues) {
|
|
authHeader.push(k + '="' + authValues[k] + '"')
|
|
}
|
|
authHeader = 'Digest ' + authHeader.join(', ')
|
|
self.setHeader('authorization', authHeader)
|
|
self._sentAuth = true
|
|
|
|
redirectTo = self.uri
|
|
break
|
|
}
|
|
}
|
|
|
|
if (redirectTo) {
|
|
debug('redirect to', redirectTo)
|
|
|
|
// ignore any potential response body. it cannot possibly be useful
|
|
// to us at this point.
|
|
if (self._paused) response.resume()
|
|
|
|
if (self._redirectsFollowed >= self.maxRedirects) {
|
|
self.emit('error', new Error("Exceeded maxRedirects. Probably stuck in a redirect loop "+self.uri.href))
|
|
return
|
|
}
|
|
self._redirectsFollowed += 1
|
|
|
|
if (!isUrl.test(redirectTo)) {
|
|
redirectTo = url.resolve(self.uri.href, redirectTo)
|
|
}
|
|
|
|
var uriPrev = self.uri
|
|
self.uri = url.parse(redirectTo)
|
|
|
|
// handle the case where we change protocol from https to http or vice versa
|
|
if (self.uri.protocol !== uriPrev.protocol) {
|
|
self._updateProtocol()
|
|
}
|
|
|
|
self.redirects.push(
|
|
{ statusCode : response.statusCode
|
|
, redirectUri: redirectTo
|
|
}
|
|
)
|
|
if (self.followAllRedirects && response.statusCode != 401) self.method = 'GET'
|
|
// self.method = 'GET' // Force all redirects to use GET || commented out fixes #215
|
|
delete self.src
|
|
delete self.req
|
|
delete self.agent
|
|
delete self._started
|
|
if (response.statusCode != 401) {
|
|
delete self.body
|
|
delete self._form
|
|
}
|
|
if (self.headers) {
|
|
delete self.headers.host
|
|
delete self.headers['content-type']
|
|
delete self.headers['content-length']
|
|
}
|
|
self.init()
|
|
return // Ignore the rest of the response
|
|
} else {
|
|
self._redirectsFollowed = self._redirectsFollowed || 0
|
|
// Be a good stream and emit end when the response is finished.
|
|
// Hack to emit end on close because of a core bug that never fires end
|
|
response.on('close', function () {
|
|
if (!self._ended) self.response.emit('end')
|
|
})
|
|
|
|
if (self.encoding) {
|
|
if (self.dests.length !== 0) {
|
|
console.error("Ingoring encoding parameter as this stream is being piped to another stream which makes the encoding option invalid.")
|
|
} else {
|
|
response.setEncoding(self.encoding)
|
|
}
|
|
}
|
|
|
|
self.dests.forEach(function (dest) {
|
|
self.pipeDest(dest)
|
|
})
|
|
|
|
response.on("data", function (chunk) {
|
|
self._destdata = true
|
|
self.emit("data", chunk)
|
|
})
|
|
response.on("end", function (chunk) {
|
|
self._ended = true
|
|
self.emit("end", chunk)
|
|
})
|
|
response.on("close", function () {self.emit("close")})
|
|
|
|
self.emit('response', response)
|
|
|
|
if (self.callback) {
|
|
var buffer = []
|
|
var bodyLen = 0
|
|
self.on("data", function (chunk) {
|
|
buffer.push(chunk)
|
|
bodyLen += chunk.length
|
|
})
|
|
self.on("end", function () {
|
|
debug('end event', self.uri.href)
|
|
if (self._aborted) {
|
|
debug('aborted', self.uri.href)
|
|
return
|
|
}
|
|
|
|
if (buffer.length && Buffer.isBuffer(buffer[0])) {
|
|
debug('has body', self.uri.href, bodyLen)
|
|
var body = new Buffer(bodyLen)
|
|
var i = 0
|
|
buffer.forEach(function (chunk) {
|
|
chunk.copy(body, i, 0, chunk.length)
|
|
i += chunk.length
|
|
})
|
|
if (self.encoding === null) {
|
|
response.body = body
|
|
} else {
|
|
response.body = body.toString(self.encoding)
|
|
}
|
|
} else if (buffer.length) {
|
|
// The UTF8 BOM [0xEF,0xBB,0xBF] is converted to [0xFE,0xFF] in the JS UTC16/UCS2 representation.
|
|
// Strip this value out when the encoding is set to 'utf8', as upstream consumers won't expect it and it breaks JSON.parse().
|
|
if (self.encoding === 'utf8' && buffer[0].length > 0 && buffer[0][0] === "\uFEFF") {
|
|
buffer[0] = buffer[0].substring(1)
|
|
}
|
|
response.body = buffer.join('')
|
|
}
|
|
|
|
if (self._json) {
|
|
try {
|
|
response.body = JSON.parse(response.body)
|
|
} catch (e) {}
|
|
}
|
|
debug('emitting complete', self.uri.href)
|
|
self.emit('complete', response, response.body)
|
|
})
|
|
}
|
|
}
|
|
debug('finish init function', self.uri.href)
|
|
}
|
|
|
|
Request.prototype.abort = function () {
|
|
this._aborted = true
|
|
|
|
if (this.req) {
|
|
this.req.abort()
|
|
}
|
|
else if (this.response) {
|
|
this.response.abort()
|
|
}
|
|
|
|
this.emit("abort")
|
|
}
|
|
|
|
Request.prototype.pipeDest = function (dest) {
|
|
var response = this.response
|
|
// Called after the response is received
|
|
if (dest.headers) {
|
|
dest.headers['content-type'] = response.headers['content-type']
|
|
if (response.headers['content-length']) {
|
|
dest.headers['content-length'] = response.headers['content-length']
|
|
}
|
|
}
|
|
if (dest.setHeader) {
|
|
for (var i in response.headers) {
|
|
dest.setHeader(i, response.headers[i])
|
|
}
|
|
dest.statusCode = response.statusCode
|
|
}
|
|
if (this.pipefilter) this.pipefilter(response, dest)
|
|
}
|
|
|
|
// Composable API
|
|
Request.prototype.setHeader = function (name, value, clobber) {
|
|
if (clobber === undefined) clobber = true
|
|
if (clobber || !this.headers.hasOwnProperty(name)) this.headers[name] = value
|
|
else this.headers[name] += ',' + value
|
|
return this
|
|
}
|
|
Request.prototype.setHeaders = function (headers) {
|
|
for (var i in headers) {this.setHeader(i, headers[i])}
|
|
return this
|
|
}
|
|
Request.prototype.qs = function (q, clobber) {
|
|
var base
|
|
if (!clobber && this.uri.query) base = qs.parse(this.uri.query)
|
|
else base = {}
|
|
|
|
for (var i in q) {
|
|
base[i] = q[i]
|
|
}
|
|
|
|
if (qs.stringify(base) === ''){
|
|
return this
|
|
}
|
|
|
|
this.uri = url.parse(this.uri.href.split('?')[0] + '?' + qs.stringify(base))
|
|
this.url = this.uri
|
|
|
|
return this
|
|
}
|
|
Request.prototype.form = function (form) {
|
|
if (form) {
|
|
this.headers['content-type'] = 'application/x-www-form-urlencoded; charset=utf-8'
|
|
this.body = qs.stringify(form).toString('utf8')
|
|
return this
|
|
}
|
|
// create form-data object
|
|
this._form = new FormData()
|
|
return this._form
|
|
}
|
|
Request.prototype.multipart = function (multipart) {
|
|
var self = this
|
|
self.body = []
|
|
|
|
if (!self.headers['content-type']) {
|
|
self.headers['content-type'] = 'multipart/related; boundary=' + self.boundary
|
|
} else {
|
|
self.headers['content-type'] = self.headers['content-type'].split(';')[0] + '; boundary=' + self.boundary
|
|
}
|
|
|
|
if (!multipart.forEach) throw new Error('Argument error, options.multipart.')
|
|
|
|
if (self.preambleCRLF) {
|
|
self.body.push(new Buffer('\r\n'))
|
|
}
|
|
|
|
multipart.forEach(function (part) {
|
|
var body = part.body
|
|
if(body == null) throw Error('Body attribute missing in multipart.')
|
|
delete part.body
|
|
var preamble = '--' + self.boundary + '\r\n'
|
|
Object.keys(part).forEach(function (key) {
|
|
preamble += key + ': ' + part[key] + '\r\n'
|
|
})
|
|
preamble += '\r\n'
|
|
self.body.push(new Buffer(preamble))
|
|
self.body.push(new Buffer(body))
|
|
self.body.push(new Buffer('\r\n'))
|
|
})
|
|
self.body.push(new Buffer('--' + self.boundary + '--'))
|
|
return self
|
|
}
|
|
Request.prototype.json = function (val) {
|
|
var self = this;
|
|
var setAcceptHeader = function() {
|
|
if (!self.headers['accept'] && !self.headers['Accept']) {
|
|
self.setHeader('accept', 'application/json')
|
|
}
|
|
}
|
|
setAcceptHeader();
|
|
this._json = true
|
|
if (typeof val === 'boolean') {
|
|
if (typeof this.body === 'object') {
|
|
setAcceptHeader();
|
|
this.body = safeStringify(this.body)
|
|
self.setHeader('content-type', 'application/json')
|
|
}
|
|
} else {
|
|
setAcceptHeader();
|
|
this.body = safeStringify(val)
|
|
self.setHeader('content-type', 'application/json')
|
|
}
|
|
return this
|
|
}
|
|
function getHeader(name, headers) {
|
|
var result, re, match
|
|
Object.keys(headers).forEach(function (key) {
|
|
re = new RegExp(name, 'i')
|
|
match = key.match(re)
|
|
if (match) result = headers[key]
|
|
})
|
|
return result
|
|
}
|
|
Request.prototype.auth = function (user, pass, sendImmediately) {
|
|
if (typeof user !== 'string' || typeof pass !== 'string') {
|
|
throw new Error('auth() received invalid user or password')
|
|
}
|
|
this._user = user
|
|
this._pass = pass
|
|
this._hasAuth = true
|
|
if (sendImmediately || typeof sendImmediately == 'undefined') {
|
|
this.setHeader('authorization', 'Basic ' + toBase64(user + ':' + pass))
|
|
this._sentAuth = true
|
|
}
|
|
return this
|
|
}
|
|
Request.prototype.aws = function (opts, now) {
|
|
if (!now) {
|
|
this._aws = opts
|
|
return this
|
|
}
|
|
var date = new Date()
|
|
this.setHeader('date', date.toUTCString())
|
|
var auth =
|
|
{ key: opts.key
|
|
, secret: opts.secret
|
|
, verb: this.method.toUpperCase()
|
|
, date: date
|
|
, contentType: getHeader('content-type', this.headers) || ''
|
|
, md5: getHeader('content-md5', this.headers) || ''
|
|
, amazonHeaders: aws.canonicalizeHeaders(this.headers)
|
|
}
|
|
if (opts.bucket && this.path) {
|
|
auth.resource = '/' + opts.bucket + this.path
|
|
} else if (opts.bucket && !this.path) {
|
|
auth.resource = '/' + opts.bucket
|
|
} else if (!opts.bucket && this.path) {
|
|
auth.resource = this.path
|
|
} else if (!opts.bucket && !this.path) {
|
|
auth.resource = '/'
|
|
}
|
|
auth.resource = aws.canonicalizeResource(auth.resource)
|
|
this.setHeader('authorization', aws.authorization(auth))
|
|
|
|
return this
|
|
}
|
|
|
|
Request.prototype.hawk = function (opts) {
|
|
this.headers.Authorization = hawk.client.header(this.uri, this.method, opts).field
|
|
}
|
|
|
|
Request.prototype.oauth = function (_oauth) {
|
|
var form
|
|
if (this.headers['content-type'] &&
|
|
this.headers['content-type'].slice(0, 'application/x-www-form-urlencoded'.length) ===
|
|
'application/x-www-form-urlencoded'
|
|
) {
|
|
form = qs.parse(this.body)
|
|
}
|
|
if (this.uri.query) {
|
|
form = qs.parse(this.uri.query)
|
|
}
|
|
if (!form) form = {}
|
|
var oa = {}
|
|
for (var i in form) oa[i] = form[i]
|
|
for (var i in _oauth) oa['oauth_'+i] = _oauth[i]
|
|
if (!oa.oauth_version) oa.oauth_version = '1.0'
|
|
if (!oa.oauth_timestamp) oa.oauth_timestamp = Math.floor( Date.now() / 1000 ).toString()
|
|
if (!oa.oauth_nonce) oa.oauth_nonce = uuid().replace(/-/g, '')
|
|
|
|
oa.oauth_signature_method = 'HMAC-SHA1'
|
|
|
|
var consumer_secret = oa.oauth_consumer_secret
|
|
delete oa.oauth_consumer_secret
|
|
var token_secret = oa.oauth_token_secret
|
|
delete oa.oauth_token_secret
|
|
var timestamp = oa.oauth_timestamp
|
|
|
|
var baseurl = this.uri.protocol + '//' + this.uri.host + this.uri.pathname
|
|
var signature = oauth.hmacsign(this.method, baseurl, oa, consumer_secret, token_secret)
|
|
|
|
// oa.oauth_signature = signature
|
|
for (var i in form) {
|
|
if ( i.slice(0, 'oauth_') in _oauth) {
|
|
// skip
|
|
} else {
|
|
delete oa['oauth_'+i]
|
|
if (i !== 'x_auth_mode') delete oa[i]
|
|
}
|
|
}
|
|
oa.oauth_timestamp = timestamp
|
|
this.headers.Authorization =
|
|
'OAuth '+Object.keys(oa).sort().map(function (i) {return i+'="'+oauth.rfc3986(oa[i])+'"'}).join(',')
|
|
this.headers.Authorization += ',oauth_signature="' + oauth.rfc3986(signature) + '"'
|
|
return this
|
|
}
|
|
Request.prototype.jar = function (jar) {
|
|
var cookies
|
|
|
|
if (this._redirectsFollowed === 0) {
|
|
this.originalCookieHeader = this.headers.cookie
|
|
}
|
|
|
|
if (jar === false) {
|
|
// disable cookies
|
|
cookies = false
|
|
this._disableCookies = true
|
|
} else if (jar) {
|
|
// fetch cookie from the user defined cookie jar
|
|
cookies = jar.get({ url: this.uri.href })
|
|
} else {
|
|
// fetch cookie from the global cookie jar
|
|
cookies = cookieJar.get({ url: this.uri.href })
|
|
}
|
|
|
|
if (cookies && cookies.length) {
|
|
var cookieString = cookies.map(function (c) {
|
|
return c.name + "=" + c.value
|
|
}).join("; ")
|
|
|
|
if (this.originalCookieHeader) {
|
|
// Don't overwrite existing Cookie header
|
|
this.headers.cookie = this.originalCookieHeader + '; ' + cookieString
|
|
} else {
|
|
this.headers.cookie = cookieString
|
|
}
|
|
}
|
|
this._jar = jar
|
|
return this
|
|
}
|
|
|
|
|
|
// Stream API
|
|
Request.prototype.pipe = function (dest, opts) {
|
|
if (this.response) {
|
|
if (this._destdata) {
|
|
throw new Error("You cannot pipe after data has been emitted from the response.")
|
|
} else if (this._ended) {
|
|
throw new Error("You cannot pipe after the response has been ended.")
|
|
} else {
|
|
stream.Stream.prototype.pipe.call(this, dest, opts)
|
|
this.pipeDest(dest)
|
|
return dest
|
|
}
|
|
} else {
|
|
this.dests.push(dest)
|
|
stream.Stream.prototype.pipe.call(this, dest, opts)
|
|
return dest
|
|
}
|
|
}
|
|
Request.prototype.write = function () {
|
|
if (!this._started) this.start()
|
|
return this.req.write.apply(this.req, arguments)
|
|
}
|
|
Request.prototype.end = function (chunk) {
|
|
if (chunk) this.write(chunk)
|
|
if (!this._started) this.start()
|
|
this.req.end()
|
|
}
|
|
Request.prototype.pause = function () {
|
|
if (!this.response) this._paused = true
|
|
else this.response.pause.apply(this.response, arguments)
|
|
}
|
|
Request.prototype.resume = function () {
|
|
if (!this.response) this._paused = false
|
|
else this.response.resume.apply(this.response, arguments)
|
|
}
|
|
Request.prototype.destroy = function () {
|
|
if (!this._ended) this.end()
|
|
else if (this.response) this.response.destroy()
|
|
}
|
|
|
|
// organize params for patch, post, put, head, del
|
|
function initParams(uri, options, callback) {
|
|
if ((typeof options === 'function') && !callback) callback = options
|
|
if (options && typeof options === 'object') {
|
|
options.uri = uri
|
|
} else if (typeof uri === 'string') {
|
|
options = {uri:uri}
|
|
} else {
|
|
options = uri
|
|
uri = options.uri
|
|
}
|
|
return { uri: uri, options: options, callback: callback }
|
|
}
|
|
|
|
function request (uri, options, callback) {
|
|
if (typeof uri === 'undefined') throw new Error('undefined is not a valid uri or options object.')
|
|
if ((typeof options === 'function') && !callback) callback = options
|
|
if (options && typeof options === 'object') {
|
|
options.uri = uri
|
|
} else if (typeof uri === 'string') {
|
|
options = {uri:uri}
|
|
} else {
|
|
options = uri
|
|
}
|
|
|
|
options = copy(options)
|
|
|
|
if (callback) options.callback = callback
|
|
var r = new Request(options)
|
|
return r
|
|
}
|
|
|
|
module.exports = request
|
|
|
|
request.debug = process.env.NODE_DEBUG && /request/.test(process.env.NODE_DEBUG)
|
|
|
|
request.initParams = initParams
|
|
|
|
request.defaults = function (options, requester) {
|
|
var def = function (method) {
|
|
var d = function (uri, opts, callback) {
|
|
var params = initParams(uri, opts, callback)
|
|
for (var i in options) {
|
|
if (params.options[i] === undefined) params.options[i] = options[i]
|
|
}
|
|
if(typeof requester === 'function') {
|
|
if(method === request) {
|
|
method = requester
|
|
} else {
|
|
params.options._requester = requester
|
|
}
|
|
}
|
|
return method(params.options, params.callback)
|
|
}
|
|
return d
|
|
}
|
|
var de = def(request)
|
|
de.get = def(request.get)
|
|
de.patch = def(request.patch)
|
|
de.post = def(request.post)
|
|
de.put = def(request.put)
|
|
de.head = def(request.head)
|
|
de.del = def(request.del)
|
|
de.cookie = def(request.cookie)
|
|
de.jar = request.jar
|
|
return de
|
|
}
|
|
|
|
request.forever = function (agentOptions, optionsArg) {
|
|
var options = {}
|
|
if (optionsArg) {
|
|
for (option in optionsArg) {
|
|
options[option] = optionsArg[option]
|
|
}
|
|
}
|
|
if (agentOptions) options.agentOptions = agentOptions
|
|
options.forever = true
|
|
return request.defaults(options)
|
|
}
|
|
|
|
request.get = request
|
|
request.post = function (uri, options, callback) {
|
|
var params = initParams(uri, options, callback)
|
|
params.options.method = 'POST'
|
|
return request(params.uri || null, params.options, params.callback)
|
|
}
|
|
request.put = function (uri, options, callback) {
|
|
var params = initParams(uri, options, callback)
|
|
params.options.method = 'PUT'
|
|
return request(params.uri || null, params.options, params.callback)
|
|
}
|
|
request.patch = function (uri, options, callback) {
|
|
var params = initParams(uri, options, callback)
|
|
params.options.method = 'PATCH'
|
|
return request(params.uri || null, params.options, params.callback)
|
|
}
|
|
request.head = function (uri, options, callback) {
|
|
var params = initParams(uri, options, callback)
|
|
params.options.method = 'HEAD'
|
|
if (params.options.body ||
|
|
params.options.requestBodyStream ||
|
|
(params.options.json && typeof params.options.json !== 'boolean') ||
|
|
params.options.multipart) {
|
|
throw new Error("HTTP HEAD requests MUST NOT include a request body.")
|
|
}
|
|
return request(params.uri || null, params.options, params.callback)
|
|
}
|
|
request.del = function (uri, options, callback) {
|
|
var params = initParams(uri, options, callback)
|
|
params.options.method = 'DELETE'
|
|
if(typeof params.options._requester === 'function') {
|
|
request = params.options._requester
|
|
}
|
|
return request(params.uri || null, params.options, params.callback)
|
|
}
|
|
request.jar = function () {
|
|
return new CookieJar
|
|
}
|
|
request.cookie = function (str) {
|
|
if (str && str.uri) str = str.uri
|
|
if (typeof str !== 'string') throw new Error("The cookie function only accepts STRING as param")
|
|
return new Cookie(str)
|
|
}
|
|
|
|
// Safe toJSON
|
|
|
|
function getSafe (self, uuid) {
|
|
if (typeof self === 'object' || typeof self === 'function') var safe = {}
|
|
if (Array.isArray(self)) var safe = []
|
|
|
|
var recurse = []
|
|
|
|
Object.defineProperty(self, uuid, {})
|
|
|
|
var attrs = Object.keys(self).filter(function (i) {
|
|
if (i === uuid) return false
|
|
if ( (typeof self[i] !== 'object' && typeof self[i] !== 'function') || self[i] === null) return true
|
|
return !(Object.getOwnPropertyDescriptor(self[i], uuid))
|
|
})
|
|
|
|
|
|
for (var i=0;i<attrs.length;i++) {
|
|
if ( (typeof self[attrs[i]] !== 'object' && typeof self[attrs[i]] !== 'function') ||
|
|
self[attrs[i]] === null
|
|
) {
|
|
safe[attrs[i]] = self[attrs[i]]
|
|
} else {
|
|
recurse.push(attrs[i])
|
|
Object.defineProperty(self[attrs[i]], uuid, {})
|
|
}
|
|
}
|
|
|
|
for (var i=0;i<recurse.length;i++) {
|
|
safe[recurse[i]] = getSafe(self[recurse[i]], uuid)
|
|
}
|
|
|
|
return safe
|
|
}
|
|
|
|
function toJSON () {
|
|
return getSafe(this, '__' + (((1+Math.random())*0x10000)|0).toString(16))
|
|
}
|
|
|
|
Request.prototype.toJSON = toJSON
|