1552 lines
44 KiB
JavaScript
1552 lines
44 KiB
JavaScript
'use strict'
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var http = require('http')
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var https = require('https')
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var url = require('url')
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var util = require('util')
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var stream = require('stream')
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var zlib = require('zlib')
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var hawk = require('hawk')
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var aws2 = require('aws-sign2')
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var aws4 = require('aws4')
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var httpSignature = require('http-signature')
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var mime = require('mime-types')
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var stringstream = require('stringstream')
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var caseless = require('caseless')
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var ForeverAgent = require('forever-agent')
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var FormData = require('form-data')
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var extend = require('extend')
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var isstream = require('isstream')
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var isTypedArray = require('is-typedarray').strict
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var helpers = require('./lib/helpers')
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var cookies = require('./lib/cookies')
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var getProxyFromURI = require('./lib/getProxyFromURI')
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var Querystring = require('./lib/querystring').Querystring
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var Har = require('./lib/har').Har
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var Auth = require('./lib/auth').Auth
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var OAuth = require('./lib/oauth').OAuth
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var Multipart = require('./lib/multipart').Multipart
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var Redirect = require('./lib/redirect').Redirect
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var Tunnel = require('./lib/tunnel').Tunnel
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var now = require('performance-now')
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var Buffer = require('safe-buffer').Buffer
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var safeStringify = helpers.safeStringify
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var isReadStream = helpers.isReadStream
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var toBase64 = helpers.toBase64
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var defer = helpers.defer
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var copy = helpers.copy
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var version = helpers.version
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var globalCookieJar = cookies.jar()
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var globalPool = {}
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function filterForNonReserved (reserved, options) {
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// Filter out properties that are not reserved.
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// Reserved values are passed in at call site.
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var object = {}
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for (var i in options) {
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var notReserved = (reserved.indexOf(i) === -1)
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if (notReserved) {
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object[i] = options[i]
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}
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}
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return object
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}
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function filterOutReservedFunctions (reserved, options) {
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// Filter out properties that are functions and are reserved.
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// Reserved values are passed in at call site.
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var object = {}
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for (var i in options) {
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var isReserved = !(reserved.indexOf(i) === -1)
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var isFunction = (typeof options[i] === 'function')
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if (!(isReserved && isFunction)) {
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object[i] = options[i]
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}
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}
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return object
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}
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// Return a simpler request object to allow serialization
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function requestToJSON () {
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var self = this
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return {
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uri: self.uri,
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method: self.method,
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headers: self.headers
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}
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}
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// Return a simpler response object to allow serialization
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function responseToJSON () {
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var self = this
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return {
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statusCode: self.statusCode,
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body: self.body,
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headers: self.headers,
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request: requestToJSON.call(self.request)
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}
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}
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function Request (options) {
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// if given the method property in options, set property explicitMethod to true
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// extend the Request instance with any non-reserved properties
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// remove any reserved functions from the options object
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// set Request instance to be readable and writable
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// call init
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var self = this
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// start with HAR, then override with additional options
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if (options.har) {
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self._har = new Har(self)
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options = self._har.options(options)
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}
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stream.Stream.call(self)
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var reserved = Object.keys(Request.prototype)
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var nonReserved = filterForNonReserved(reserved, options)
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extend(self, nonReserved)
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options = filterOutReservedFunctions(reserved, options)
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self.readable = true
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self.writable = true
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if (options.method) {
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self.explicitMethod = true
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}
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self._qs = new Querystring(self)
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self._auth = new Auth(self)
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self._oauth = new OAuth(self)
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self._multipart = new Multipart(self)
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self._redirect = new Redirect(self)
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self._tunnel = new Tunnel(self)
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self.init(options)
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}
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util.inherits(Request, stream.Stream)
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// Debugging
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Request.debug = process.env.NODE_DEBUG && /\brequest\b/.test(process.env.NODE_DEBUG)
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function debug () {
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if (Request.debug) {
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console.error('REQUEST %s', util.format.apply(util, arguments))
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}
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}
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Request.prototype.debug = debug
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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) {
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options = {}
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}
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self.headers = self.headers ? copy(self.headers) : {}
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// Delete headers with value undefined since they break
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// ClientRequest.OutgoingMessage.setHeader in node 0.12
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for (var headerName in self.headers) {
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if (typeof self.headers[headerName] === 'undefined') {
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delete self.headers[headerName]
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}
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}
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caseless.httpify(self, self.headers)
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if (!self.method) {
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self.method = options.method || 'GET'
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}
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if (!self.localAddress) {
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self.localAddress = options.localAddress
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}
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self._qs.init(options)
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debug(options)
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if (!self.pool && self.pool !== false) {
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self.pool = globalPool
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}
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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) {
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return // Print a warning maybe?
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}
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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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// People use this property instead all the time, so support it
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if (!self.uri && self.url) {
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self.uri = self.url
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delete self.url
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}
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// If there's a baseUrl, then use it as the base URL (i.e. uri must be
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// specified as a relative path and is appended to baseUrl).
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if (self.baseUrl) {
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if (typeof self.baseUrl !== 'string') {
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return self.emit('error', new Error('options.baseUrl must be a string'))
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}
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if (typeof self.uri !== 'string') {
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return self.emit('error', new Error('options.uri must be a string when using options.baseUrl'))
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}
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if (self.uri.indexOf('//') === 0 || self.uri.indexOf('://') !== -1) {
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return self.emit('error', new Error('options.uri must be a path when using options.baseUrl'))
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}
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// Handle all cases to make sure that there's only one slash between
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// baseUrl and uri.
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var baseUrlEndsWithSlash = self.baseUrl.lastIndexOf('/') === self.baseUrl.length - 1
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var uriStartsWithSlash = self.uri.indexOf('/') === 0
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if (baseUrlEndsWithSlash && uriStartsWithSlash) {
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self.uri = self.baseUrl + self.uri.slice(1)
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} else if (baseUrlEndsWithSlash || uriStartsWithSlash) {
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self.uri = self.baseUrl + self.uri
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} else if (self.uri === '') {
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self.uri = self.baseUrl
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} else {
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self.uri = self.baseUrl + '/' + self.uri
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}
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delete self.baseUrl
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}
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// A URI is needed by this point, emit error if we haven't been able to get one
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if (!self.uri) {
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return self.emit('error', new Error('options.uri is a required argument'))
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}
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// If a string URI/URL was given, parse it into a URL object
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if (typeof self.uri === 'string') {
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self.uri = url.parse(self.uri)
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}
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// Some URL objects are not from a URL parsed string and need href added
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if (!self.uri.href) {
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self.uri.href = url.format(self.uri)
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}
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// DEPRECATED: Warning for users of the old Unix Sockets URL Scheme
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if (self.uri.protocol === 'unix:') {
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return self.emit('error', new Error('`unix://` URL scheme is no longer supported. Please use the format `http://unix:SOCKET:PATH`'))
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}
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// Support Unix Sockets
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if (self.uri.host === 'unix') {
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self.enableUnixSocket()
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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.uri.pathname) { self.uri.pathname = '/' }
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if (!(self.uri.host || (self.uri.hostname && self.uri.port)) && !self.uri.isUnix) {
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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 (they didn't call request directly with this URL)
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// they 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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// This error was fatal
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self.abort()
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return self.emit('error', new Error(message))
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}
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if (!self.hasOwnProperty('proxy')) {
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self.proxy = getProxyFromURI(self.uri)
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}
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self.tunnel = self._tunnel.isEnabled()
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if (self.proxy) {
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self._tunnel.setup(options)
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}
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self._redirect.onRequest(options)
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self.setHost = false
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if (!self.hasHeader('host')) {
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var hostHeaderName = self.originalHostHeaderName || 'host'
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// When used with an IPv6 address, `host` will provide
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// the correct bracketed format, unlike using `hostname` and
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// optionally adding the `port` when necessary.
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self.setHeader(hostHeaderName, self.uri.host)
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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.port) {
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if (self.uri.protocol === 'http:') { self.uri.port = 80 } 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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if (options.form) {
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self.form(options.form)
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}
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if (options.formData) {
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var formData = options.formData
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var requestForm = self.form()
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var appendFormValue = function (key, value) {
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if (value && value.hasOwnProperty('value') && value.hasOwnProperty('options')) {
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requestForm.append(key, value.value, value.options)
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} else {
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requestForm.append(key, value)
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}
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}
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for (var formKey in formData) {
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if (formData.hasOwnProperty(formKey)) {
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var formValue = formData[formKey]
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if (formValue instanceof Array) {
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for (var j = 0; j < formValue.length; j++) {
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appendFormValue(formKey, formValue[j])
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}
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} else {
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appendFormValue(formKey, formValue)
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}
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}
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}
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}
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if (options.qs) {
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self.qs(options.qs)
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}
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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) {
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self.path = '/'
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}
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// Auth must happen last in case signing is dependent on other headers
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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.httpSignature) {
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self.httpSignature(options.httpSignature)
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}
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if (options.auth) {
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if (Object.prototype.hasOwnProperty.call(options.auth, 'username')) {
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options.auth.user = options.auth.username
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}
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if (Object.prototype.hasOwnProperty.call(options.auth, 'password')) {
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options.auth.pass = options.auth.password
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}
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self.auth(
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options.auth.user,
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options.auth.pass,
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options.auth.sendImmediately,
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options.auth.bearer
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)
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}
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if (self.gzip && !self.hasHeader('accept-encoding')) {
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self.setHeader('accept-encoding', 'gzip, deflate')
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}
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if (self.uri.auth && !self.hasHeader('authorization')) {
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var uriAuthPieces = self.uri.auth.split(':').map(function (item) { return self._qs.unescape(item) })
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self.auth(uriAuthPieces[0], uriAuthPieces.slice(1).join(':'), true)
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}
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if (!self.tunnel && self.proxy && self.proxy.auth && !self.hasHeader('proxy-authorization')) {
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var proxyAuthPieces = self.proxy.auth.split(':').map(function (item) { return self._qs.unescape(item) })
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var authHeader = 'Basic ' + toBase64(proxyAuthPieces.join(':'))
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self.setHeader('proxy-authorization', authHeader)
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}
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if (self.proxy && !self.tunnel) {
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self.path = (self.uri.protocol + '//' + self.uri.host + self.path)
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}
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if (options.json) {
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self.json(options.json)
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}
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if (options.multipart) {
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self.multipart(options.multipart)
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}
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if (options.time) {
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self.timing = true
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// NOTE: elapsedTime is deprecated in favor of .timings
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self.elapsedTime = self.elapsedTime || 0
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}
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function setContentLength () {
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if (isTypedArray(self.body)) {
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self.body = Buffer.from(self.body)
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}
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if (!self.hasHeader('content-length')) {
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var length
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if (typeof self.body === 'string') {
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length = Buffer.byteLength(self.body)
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} else if (Array.isArray(self.body)) {
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length = self.body.reduce(function (a, b) { return a + b.length }, 0)
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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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self.setHeader('content-length', length)
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} else {
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self.emit('error', new Error('Argument error, options.body.'))
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}
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}
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}
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if (self.body && !isstream(self.body)) {
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setContentLength()
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}
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if (options.oauth) {
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self.oauth(options.oauth)
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} else if (self._oauth.params && self.hasHeader('authorization')) {
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self.oauth(self._oauth.params)
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}
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var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol
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var defaultModules = {'http:': http, 'https:': https}
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var httpModules = self.httpModules || {}
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self.httpModule = httpModules[protocol] || defaultModules[protocol]
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if (!self.httpModule) {
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return self.emit('error', new Error('Invalid protocol: ' + protocol))
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}
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if (options.ca) {
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self.ca = options.ca
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}
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if (!self.agent) {
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if (options.agentOptions) {
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self.agentOptions = options.agentOptions
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}
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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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var v = version()
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// use ForeverAgent in node 0.10- only
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if (v.major === 0 && v.minor <= 10) {
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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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self.agentOptions = self.agentOptions || {}
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self.agentOptions.keepAlive = true
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}
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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.pool === false) {
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self.agent = false
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} else {
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self.agent = self.agent || self.getNewAgent()
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}
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self.on('pipe', function (src) {
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if (self.ntick && self._started) {
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self.emit('error', new Error('You cannot pipe to this stream after the outbound request has started.'))
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}
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self.src = src
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if (isReadStream(src)) {
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if (!self.hasHeader('content-type')) {
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self.setHeader('content-type', mime.lookup(src.path))
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}
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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.hasHeader(i)) {
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self.setHeader(i, src.headers[i])
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}
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}
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}
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if (self._json && !self.hasHeader('content-type')) {
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self.setHeader('content-type', 'application/json')
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}
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if (src.method && !self.explicitMethod) {
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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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defer(function () {
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if (self._aborted) {
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return
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}
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var end = function () {
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if (self._form) {
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if (!self._auth.hasAuth) {
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self._form.pipe(self)
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} else if (self._auth.hasAuth && self._auth.sentAuth) {
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self._form.pipe(self)
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}
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}
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if (self._multipart && self._multipart.chunked) {
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self._multipart.body.pipe(self)
|
|
}
|
|
if (self.body) {
|
|
if (isstream(self.body)) {
|
|
self.body.pipe(self)
|
|
} else {
|
|
setContentLength()
|
|
if (Array.isArray(self.body)) {
|
|
self.body.forEach(function (part) {
|
|
self.write(part)
|
|
})
|
|
} else {
|
|
self.write(self.body)
|
|
}
|
|
self.end()
|
|
}
|
|
} else if (self.requestBodyStream) {
|
|
console.warn('options.requestBodyStream is deprecated, please pass the request object to stream.pipe.')
|
|
self.requestBodyStream.pipe(self)
|
|
} else if (!self.src) {
|
|
if (self._auth.hasAuth && !self._auth.sentAuth) {
|
|
self.end()
|
|
return
|
|
}
|
|
if (self.method !== 'GET' && typeof self.method !== 'undefined') {
|
|
self.setHeader('content-length', 0)
|
|
}
|
|
self.end()
|
|
}
|
|
}
|
|
|
|
if (self._form && !self.hasHeader('content-length')) {
|
|
// Before ending the request, we had to compute the length of the whole form, asyncly
|
|
self.setHeader(self._form.getHeaders(), true)
|
|
self._form.getLength(function (err, length) {
|
|
if (!err && !isNaN(length)) {
|
|
self.setHeader('content-length', length)
|
|
}
|
|
end()
|
|
})
|
|
} else {
|
|
end()
|
|
}
|
|
|
|
self.ntick = true
|
|
})
|
|
}
|
|
|
|
Request.prototype.getNewAgent = function () {
|
|
var self = this
|
|
var Agent = self.agentClass
|
|
var options = {}
|
|
if (self.agentOptions) {
|
|
for (var i in self.agentOptions) {
|
|
options[i] = self.agentOptions[i]
|
|
}
|
|
}
|
|
if (self.ca) {
|
|
options.ca = self.ca
|
|
}
|
|
if (self.ciphers) {
|
|
options.ciphers = self.ciphers
|
|
}
|
|
if (self.secureProtocol) {
|
|
options.secureProtocol = self.secureProtocol
|
|
}
|
|
if (self.secureOptions) {
|
|
options.secureOptions = self.secureOptions
|
|
}
|
|
if (typeof self.rejectUnauthorized !== 'undefined') {
|
|
options.rejectUnauthorized = self.rejectUnauthorized
|
|
}
|
|
|
|
if (self.cert && self.key) {
|
|
options.key = self.key
|
|
options.cert = self.cert
|
|
}
|
|
|
|
if (self.pfx) {
|
|
options.pfx = self.pfx
|
|
}
|
|
|
|
if (self.passphrase) {
|
|
options.passphrase = self.passphrase
|
|
}
|
|
|
|
var poolKey = ''
|
|
|
|
// different types of agents are in different pools
|
|
if (Agent !== self.httpModule.Agent) {
|
|
poolKey += Agent.name
|
|
}
|
|
|
|
// ca option is only relevant if proxy or destination are https
|
|
var proxy = self.proxy
|
|
if (typeof proxy === 'string') {
|
|
proxy = url.parse(proxy)
|
|
}
|
|
var isHttps = (proxy && proxy.protocol === 'https:') || this.uri.protocol === 'https:'
|
|
|
|
if (isHttps) {
|
|
if (options.ca) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.ca
|
|
}
|
|
|
|
if (typeof options.rejectUnauthorized !== 'undefined') {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.rejectUnauthorized
|
|
}
|
|
|
|
if (options.cert) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.cert.toString('ascii') + options.key.toString('ascii')
|
|
}
|
|
|
|
if (options.pfx) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.pfx.toString('ascii')
|
|
}
|
|
|
|
if (options.ciphers) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.ciphers
|
|
}
|
|
|
|
if (options.secureProtocol) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.secureProtocol
|
|
}
|
|
|
|
if (options.secureOptions) {
|
|
if (poolKey) {
|
|
poolKey += ':'
|
|
}
|
|
poolKey += options.secureOptions
|
|
}
|
|
}
|
|
|
|
if (self.pool === globalPool && !poolKey && Object.keys(options).length === 0 && self.httpModule.globalAgent) {
|
|
// not doing anything special. Use the globalAgent
|
|
return self.httpModule.globalAgent
|
|
}
|
|
|
|
// we're using a stored agent. Make sure it's protocol-specific
|
|
poolKey = self.uri.protocol + poolKey
|
|
|
|
// generate a new agent for this setting if none yet exists
|
|
if (!self.pool[poolKey]) {
|
|
self.pool[poolKey] = new Agent(options)
|
|
// properly set maxSockets on new agents
|
|
if (self.pool.maxSockets) {
|
|
self.pool[poolKey].maxSockets = self.pool.maxSockets
|
|
}
|
|
}
|
|
|
|
return self.pool[poolKey]
|
|
}
|
|
|
|
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.timing) {
|
|
// All timings will be relative to this request's startTime. In order to do this,
|
|
// we need to capture the wall-clock start time (via Date), immediately followed
|
|
// by the high-resolution timer (via now()). While these two won't be set
|
|
// at the _exact_ same time, they should be close enough to be able to calculate
|
|
// high-resolution, monotonically non-decreasing timestamps relative to startTime.
|
|
var startTime = new Date().getTime()
|
|
var startTimeNow = now()
|
|
}
|
|
|
|
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.hasHeader('content-length')) {
|
|
self.setHeader('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)
|
|
|
|
// node v6.8.0 now supports a `timeout` value in `http.request()`, but we
|
|
// should delete it for now since we handle timeouts manually for better
|
|
// consistency with node versions before v6.8.0
|
|
delete reqOptions.timeout
|
|
|
|
try {
|
|
self.req = self.httpModule.request(reqOptions)
|
|
} catch (err) {
|
|
self.emit('error', err)
|
|
return
|
|
}
|
|
|
|
if (self.timing) {
|
|
self.startTime = startTime
|
|
self.startTimeNow = startTimeNow
|
|
|
|
// Timing values will all be relative to startTime (by comparing to startTimeNow
|
|
// so we have an accurate clock)
|
|
self.timings = {}
|
|
}
|
|
|
|
var timeout
|
|
if (self.timeout && !self.timeoutTimer) {
|
|
if (self.timeout < 0) {
|
|
timeout = 0
|
|
} else if (typeof self.timeout === 'number' && isFinite(self.timeout)) {
|
|
timeout = self.timeout
|
|
}
|
|
}
|
|
|
|
self.req.on('response', self.onRequestResponse.bind(self))
|
|
self.req.on('error', self.onRequestError.bind(self))
|
|
self.req.on('drain', function () {
|
|
self.emit('drain')
|
|
})
|
|
|
|
self.req.on('socket', function (socket) {
|
|
// `._connecting` was the old property which was made public in node v6.1.0
|
|
var isConnecting = socket._connecting || socket.connecting
|
|
if (self.timing) {
|
|
self.timings.socket = now() - self.startTimeNow
|
|
|
|
if (isConnecting) {
|
|
var onLookupTiming = function () {
|
|
self.timings.lookup = now() - self.startTimeNow
|
|
}
|
|
|
|
var onConnectTiming = function () {
|
|
self.timings.connect = now() - self.startTimeNow
|
|
}
|
|
|
|
socket.once('lookup', onLookupTiming)
|
|
socket.once('connect', onConnectTiming)
|
|
|
|
// clean up timing event listeners if needed on error
|
|
self.req.once('error', function () {
|
|
socket.removeListener('lookup', onLookupTiming)
|
|
socket.removeListener('connect', onConnectTiming)
|
|
})
|
|
}
|
|
}
|
|
|
|
var setReqTimeout = function () {
|
|
// This timeout sets the amount of time to wait *between* bytes sent
|
|
// from the server once connected.
|
|
//
|
|
// In particular, it's useful for erroring if the server fails to send
|
|
// data halfway through streaming a response.
|
|
self.req.setTimeout(timeout, function () {
|
|
if (self.req) {
|
|
self.abort()
|
|
var e = new Error('ESOCKETTIMEDOUT')
|
|
e.code = 'ESOCKETTIMEDOUT'
|
|
e.connect = false
|
|
self.emit('error', e)
|
|
}
|
|
})
|
|
}
|
|
if (timeout !== undefined) {
|
|
// Only start the connection timer if we're actually connecting a new
|
|
// socket, otherwise if we're already connected (because this is a
|
|
// keep-alive connection) do not bother. This is important since we won't
|
|
// get a 'connect' event for an already connected socket.
|
|
if (isConnecting) {
|
|
var onReqSockConnect = function () {
|
|
socket.removeListener('connect', onReqSockConnect)
|
|
clearTimeout(self.timeoutTimer)
|
|
self.timeoutTimer = null
|
|
setReqTimeout()
|
|
}
|
|
|
|
socket.on('connect', onReqSockConnect)
|
|
|
|
self.req.on('error', function (err) { // eslint-disable-line handle-callback-err
|
|
socket.removeListener('connect', onReqSockConnect)
|
|
})
|
|
|
|
// Set a timeout in memory - this block will throw if the server takes more
|
|
// than `timeout` to write the HTTP status and headers (corresponding to
|
|
// the on('response') event on the client). NB: this measures wall-clock
|
|
// time, not the time between bytes sent by the server.
|
|
self.timeoutTimer = setTimeout(function () {
|
|
socket.removeListener('connect', onReqSockConnect)
|
|
self.abort()
|
|
var e = new Error('ETIMEDOUT')
|
|
e.code = 'ETIMEDOUT'
|
|
e.connect = true
|
|
self.emit('error', e)
|
|
}, timeout)
|
|
} else {
|
|
// We're already connected
|
|
setReqTimeout()
|
|
}
|
|
}
|
|
self.emit('socket', socket)
|
|
})
|
|
|
|
self.emit('request', self.req)
|
|
}
|
|
|
|
Request.prototype.onRequestError = function (error) {
|
|
var self = this
|
|
if (self._aborted) {
|
|
return
|
|
}
|
|
if (self.req && self.req._reusedSocket && error.code === 'ECONNRESET' &&
|
|
self.agent.addRequestNoreuse) {
|
|
self.agent = { addRequest: self.agent.addRequestNoreuse.bind(self.agent) }
|
|
self.start()
|
|
self.req.end()
|
|
return
|
|
}
|
|
if (self.timeout && self.timeoutTimer) {
|
|
clearTimeout(self.timeoutTimer)
|
|
self.timeoutTimer = null
|
|
}
|
|
self.emit('error', error)
|
|
}
|
|
|
|
Request.prototype.onRequestResponse = function (response) {
|
|
var self = this
|
|
|
|
if (self.timing) {
|
|
self.timings.response = now() - self.startTimeNow
|
|
}
|
|
|
|
debug('onRequestResponse', self.uri.href, response.statusCode, response.headers)
|
|
response.on('end', function () {
|
|
if (self.timing) {
|
|
self.timings.end = now() - self.startTimeNow
|
|
response.timingStart = self.startTime
|
|
|
|
// fill in the blanks for any periods that didn't trigger, such as
|
|
// no lookup or connect due to keep alive
|
|
if (!self.timings.socket) {
|
|
self.timings.socket = 0
|
|
}
|
|
if (!self.timings.lookup) {
|
|
self.timings.lookup = self.timings.socket
|
|
}
|
|
if (!self.timings.connect) {
|
|
self.timings.connect = self.timings.lookup
|
|
}
|
|
if (!self.timings.response) {
|
|
self.timings.response = self.timings.connect
|
|
}
|
|
|
|
debug('elapsed time', self.timings.end)
|
|
|
|
// elapsedTime includes all redirects
|
|
self.elapsedTime += Math.round(self.timings.end)
|
|
|
|
// NOTE: elapsedTime is deprecated in favor of .timings
|
|
response.elapsedTime = self.elapsedTime
|
|
|
|
// timings is just for the final fetch
|
|
response.timings = self.timings
|
|
|
|
// pre-calculate phase timings as well
|
|
response.timingPhases = {
|
|
wait: self.timings.socket,
|
|
dns: self.timings.lookup - self.timings.socket,
|
|
tcp: self.timings.connect - self.timings.lookup,
|
|
firstByte: self.timings.response - self.timings.connect,
|
|
download: self.timings.end - self.timings.response,
|
|
total: self.timings.end
|
|
}
|
|
}
|
|
debug('response end', self.uri.href, response.statusCode, response.headers)
|
|
})
|
|
|
|
if (self._aborted) {
|
|
debug('aborted', self.uri.href)
|
|
response.resume()
|
|
return
|
|
}
|
|
|
|
self.response = response
|
|
response.request = self
|
|
response.toJSON = responseToJSON
|
|
|
|
// XXX This is different on 0.10, because SSL is strict by default
|
|
if (self.httpModule === https &&
|
|
self.strictSSL && (!response.hasOwnProperty('socket') ||
|
|
!response.socket.authorized)) {
|
|
debug('strict ssl error', self.uri.href)
|
|
var sslErr = response.hasOwnProperty('socket') ? response.socket.authorizationError : self.uri.href + ' does not support SSL'
|
|
self.emit('error', new Error('SSL Error: ' + sslErr))
|
|
return
|
|
}
|
|
|
|
// Save the original host before any redirect (if it changes, we need to
|
|
// remove any authorization headers). Also remember the case of the header
|
|
// name because lots of broken servers expect Host instead of host and we
|
|
// want the caller to be able to specify this.
|
|
self.originalHost = self.getHeader('host')
|
|
if (!self.originalHostHeaderName) {
|
|
self.originalHostHeaderName = self.hasHeader('host')
|
|
}
|
|
if (self.setHost) {
|
|
self.removeHeader('host')
|
|
}
|
|
if (self.timeout && self.timeoutTimer) {
|
|
clearTimeout(self.timeoutTimer)
|
|
self.timeoutTimer = null
|
|
}
|
|
|
|
var targetCookieJar = (self._jar && self._jar.setCookie) ? self._jar : globalCookieJar
|
|
var addCookie = function (cookie) {
|
|
// set the cookie if it's domain in the href's domain.
|
|
try {
|
|
targetCookieJar.setCookie(cookie, self.uri.href, {ignoreError: true})
|
|
} catch (e) {
|
|
self.emit('error', e)
|
|
}
|
|
}
|
|
|
|
response.caseless = caseless(response.headers)
|
|
|
|
if (response.caseless.has('set-cookie') && (!self._disableCookies)) {
|
|
var headerName = response.caseless.has('set-cookie')
|
|
if (Array.isArray(response.headers[headerName])) {
|
|
response.headers[headerName].forEach(addCookie)
|
|
} else {
|
|
addCookie(response.headers[headerName])
|
|
}
|
|
}
|
|
|
|
if (self._redirect.onResponse(response)) {
|
|
return // Ignore the rest of the response
|
|
} else {
|
|
// 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')
|
|
}
|
|
})
|
|
|
|
response.once('end', function () {
|
|
self._ended = true
|
|
})
|
|
|
|
var noBody = function (code) {
|
|
return (
|
|
self.method === 'HEAD' ||
|
|
// Informational
|
|
(code >= 100 && code < 200) ||
|
|
// No Content
|
|
code === 204 ||
|
|
// Not Modified
|
|
code === 304
|
|
)
|
|
}
|
|
|
|
var responseContent
|
|
if (self.gzip && !noBody(response.statusCode)) {
|
|
var contentEncoding = response.headers['content-encoding'] || 'identity'
|
|
contentEncoding = contentEncoding.trim().toLowerCase()
|
|
|
|
// Be more lenient with decoding compressed responses, since (very rarely)
|
|
// servers send slightly invalid gzip responses that are still accepted
|
|
// by common browsers.
|
|
// Always using Z_SYNC_FLUSH is what cURL does.
|
|
var zlibOptions = {
|
|
flush: zlib.Z_SYNC_FLUSH,
|
|
finishFlush: zlib.Z_SYNC_FLUSH
|
|
}
|
|
|
|
if (contentEncoding === 'gzip') {
|
|
responseContent = zlib.createGunzip(zlibOptions)
|
|
response.pipe(responseContent)
|
|
} else if (contentEncoding === 'deflate') {
|
|
responseContent = zlib.createInflate(zlibOptions)
|
|
response.pipe(responseContent)
|
|
} else {
|
|
// Since previous versions didn't check for Content-Encoding header,
|
|
// ignore any invalid values to preserve backwards-compatibility
|
|
if (contentEncoding !== 'identity') {
|
|
debug('ignoring unrecognized Content-Encoding ' + contentEncoding)
|
|
}
|
|
responseContent = response
|
|
}
|
|
} else {
|
|
responseContent = response
|
|
}
|
|
|
|
if (self.encoding) {
|
|
if (self.dests.length !== 0) {
|
|
console.error('Ignoring encoding parameter as this stream is being piped to another stream which makes the encoding option invalid.')
|
|
} else if (responseContent.setEncoding) {
|
|
responseContent.setEncoding(self.encoding)
|
|
} else {
|
|
// Should only occur on node pre-v0.9.4 (joyent/node@9b5abe5) with
|
|
// zlib streams.
|
|
// If/When support for 0.9.4 is dropped, this should be unnecessary.
|
|
responseContent = responseContent.pipe(stringstream(self.encoding))
|
|
}
|
|
}
|
|
|
|
if (self._paused) {
|
|
responseContent.pause()
|
|
}
|
|
|
|
self.responseContent = responseContent
|
|
|
|
self.emit('response', response)
|
|
|
|
self.dests.forEach(function (dest) {
|
|
self.pipeDest(dest)
|
|
})
|
|
|
|
responseContent.on('data', function (chunk) {
|
|
if (self.timing && !self.responseStarted) {
|
|
self.responseStartTime = (new Date()).getTime()
|
|
|
|
// NOTE: responseStartTime is deprecated in favor of .timings
|
|
response.responseStartTime = self.responseStartTime
|
|
}
|
|
self._destdata = true
|
|
self.emit('data', chunk)
|
|
})
|
|
responseContent.once('end', function (chunk) {
|
|
self.emit('end', chunk)
|
|
})
|
|
responseContent.on('error', function (error) {
|
|
self.emit('error', error)
|
|
})
|
|
responseContent.on('close', function () { self.emit('close') })
|
|
|
|
if (self.callback) {
|
|
self.readResponseBody(response)
|
|
} else { // if no callback
|
|
self.on('end', function () {
|
|
if (self._aborted) {
|
|
debug('aborted', self.uri.href)
|
|
return
|
|
}
|
|
self.emit('complete', response)
|
|
})
|
|
}
|
|
}
|
|
debug('finish init function', self.uri.href)
|
|
}
|
|
|
|
Request.prototype.readResponseBody = function (response) {
|
|
var self = this
|
|
debug("reading response's body")
|
|
var buffers = []
|
|
var bufferLength = 0
|
|
var strings = []
|
|
|
|
self.on('data', function (chunk) {
|
|
if (!Buffer.isBuffer(chunk)) {
|
|
strings.push(chunk)
|
|
} else if (chunk.length) {
|
|
bufferLength += chunk.length
|
|
buffers.push(chunk)
|
|
}
|
|
})
|
|
self.on('end', function () {
|
|
debug('end event', self.uri.href)
|
|
if (self._aborted) {
|
|
debug('aborted', self.uri.href)
|
|
// `buffer` is defined in the parent scope and used in a closure it exists for the life of the request.
|
|
// This can lead to leaky behavior if the user retains a reference to the request object.
|
|
buffers = []
|
|
bufferLength = 0
|
|
return
|
|
}
|
|
|
|
if (bufferLength) {
|
|
debug('has body', self.uri.href, bufferLength)
|
|
response.body = Buffer.concat(buffers, bufferLength)
|
|
if (self.encoding !== null) {
|
|
response.body = response.body.toString(self.encoding)
|
|
}
|
|
// `buffer` is defined in the parent scope and used in a closure it exists for the life of the Request.
|
|
// This can lead to leaky behavior if the user retains a reference to the request object.
|
|
buffers = []
|
|
bufferLength = 0
|
|
} else if (strings.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' && strings[0].length > 0 && strings[0][0] === '\uFEFF') {
|
|
strings[0] = strings[0].substring(1)
|
|
}
|
|
response.body = strings.join('')
|
|
}
|
|
|
|
if (self._json) {
|
|
try {
|
|
response.body = JSON.parse(response.body, self._jsonReviver)
|
|
} catch (e) {
|
|
debug('invalid JSON received', self.uri.href)
|
|
}
|
|
}
|
|
debug('emitting complete', self.uri.href)
|
|
if (typeof response.body === 'undefined' && !self._json) {
|
|
response.body = self.encoding === null ? Buffer.alloc(0) : ''
|
|
}
|
|
self.emit('complete', response, response.body)
|
|
})
|
|
}
|
|
|
|
Request.prototype.abort = function () {
|
|
var self = this
|
|
self._aborted = true
|
|
|
|
if (self.req) {
|
|
self.req.abort()
|
|
} else if (self.response) {
|
|
self.response.destroy()
|
|
}
|
|
|
|
self.emit('abort')
|
|
}
|
|
|
|
Request.prototype.pipeDest = function (dest) {
|
|
var self = this
|
|
var response = self.response
|
|
// Called after the response is received
|
|
if (dest.headers && !dest.headersSent) {
|
|
if (response.caseless.has('content-type')) {
|
|
var ctname = response.caseless.has('content-type')
|
|
if (dest.setHeader) {
|
|
dest.setHeader(ctname, response.headers[ctname])
|
|
} else {
|
|
dest.headers[ctname] = response.headers[ctname]
|
|
}
|
|
}
|
|
|
|
if (response.caseless.has('content-length')) {
|
|
var clname = response.caseless.has('content-length')
|
|
if (dest.setHeader) {
|
|
dest.setHeader(clname, response.headers[clname])
|
|
} else {
|
|
dest.headers[clname] = response.headers[clname]
|
|
}
|
|
}
|
|
}
|
|
if (dest.setHeader && !dest.headersSent) {
|
|
for (var i in response.headers) {
|
|
// If the response content is being decoded, the Content-Encoding header
|
|
// of the response doesn't represent the piped content, so don't pass it.
|
|
if (!self.gzip || i !== 'content-encoding') {
|
|
dest.setHeader(i, response.headers[i])
|
|
}
|
|
}
|
|
dest.statusCode = response.statusCode
|
|
}
|
|
if (self.pipefilter) {
|
|
self.pipefilter(response, dest)
|
|
}
|
|
}
|
|
|
|
Request.prototype.qs = function (q, clobber) {
|
|
var self = this
|
|
var base
|
|
if (!clobber && self.uri.query) {
|
|
base = self._qs.parse(self.uri.query)
|
|
} else {
|
|
base = {}
|
|
}
|
|
|
|
for (var i in q) {
|
|
base[i] = q[i]
|
|
}
|
|
|
|
var qs = self._qs.stringify(base)
|
|
|
|
if (qs === '') {
|
|
return self
|
|
}
|
|
|
|
self.uri = url.parse(self.uri.href.split('?')[0] + '?' + qs)
|
|
self.url = self.uri
|
|
self.path = self.uri.path
|
|
|
|
if (self.uri.host === 'unix') {
|
|
self.enableUnixSocket()
|
|
}
|
|
|
|
return self
|
|
}
|
|
Request.prototype.form = function (form) {
|
|
var self = this
|
|
if (form) {
|
|
if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
|
|
self.setHeader('content-type', 'application/x-www-form-urlencoded')
|
|
}
|
|
self.body = (typeof form === 'string')
|
|
? self._qs.rfc3986(form.toString('utf8'))
|
|
: self._qs.stringify(form).toString('utf8')
|
|
return self
|
|
}
|
|
// create form-data object
|
|
self._form = new FormData()
|
|
self._form.on('error', function (err) {
|
|
err.message = 'form-data: ' + err.message
|
|
self.emit('error', err)
|
|
self.abort()
|
|
})
|
|
return self._form
|
|
}
|
|
Request.prototype.multipart = function (multipart) {
|
|
var self = this
|
|
|
|
self._multipart.onRequest(multipart)
|
|
|
|
if (!self._multipart.chunked) {
|
|
self.body = self._multipart.body
|
|
}
|
|
|
|
return self
|
|
}
|
|
Request.prototype.json = function (val) {
|
|
var self = this
|
|
|
|
if (!self.hasHeader('accept')) {
|
|
self.setHeader('accept', 'application/json')
|
|
}
|
|
|
|
if (typeof self.jsonReplacer === 'function') {
|
|
self._jsonReplacer = self.jsonReplacer
|
|
}
|
|
|
|
self._json = true
|
|
if (typeof val === 'boolean') {
|
|
if (self.body !== undefined) {
|
|
if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
|
|
self.body = safeStringify(self.body, self._jsonReplacer)
|
|
} else {
|
|
self.body = self._qs.rfc3986(self.body)
|
|
}
|
|
if (!self.hasHeader('content-type')) {
|
|
self.setHeader('content-type', 'application/json')
|
|
}
|
|
}
|
|
} else {
|
|
self.body = safeStringify(val, self._jsonReplacer)
|
|
if (!self.hasHeader('content-type')) {
|
|
self.setHeader('content-type', 'application/json')
|
|
}
|
|
}
|
|
|
|
if (typeof self.jsonReviver === 'function') {
|
|
self._jsonReviver = self.jsonReviver
|
|
}
|
|
|
|
return self
|
|
}
|
|
Request.prototype.getHeader = function (name, headers) {
|
|
var self = this
|
|
var result, re, match
|
|
if (!headers) {
|
|
headers = self.headers
|
|
}
|
|
Object.keys(headers).forEach(function (key) {
|
|
if (key.length !== name.length) {
|
|
return
|
|
}
|
|
re = new RegExp(name, 'i')
|
|
match = key.match(re)
|
|
if (match) {
|
|
result = headers[key]
|
|
}
|
|
})
|
|
return result
|
|
}
|
|
Request.prototype.enableUnixSocket = function () {
|
|
// Get the socket & request paths from the URL
|
|
var unixParts = this.uri.path.split(':')
|
|
var host = unixParts[0]
|
|
var path = unixParts[1]
|
|
// Apply unix properties to request
|
|
this.socketPath = host
|
|
this.uri.pathname = path
|
|
this.uri.path = path
|
|
this.uri.host = host
|
|
this.uri.hostname = host
|
|
this.uri.isUnix = true
|
|
}
|
|
|
|
Request.prototype.auth = function (user, pass, sendImmediately, bearer) {
|
|
var self = this
|
|
|
|
self._auth.onRequest(user, pass, sendImmediately, bearer)
|
|
|
|
return self
|
|
}
|
|
Request.prototype.aws = function (opts, now) {
|
|
var self = this
|
|
|
|
if (!now) {
|
|
self._aws = opts
|
|
return self
|
|
}
|
|
|
|
if (opts.sign_version === 4 || opts.sign_version === '4') {
|
|
// use aws4
|
|
var options = {
|
|
host: self.uri.host,
|
|
path: self.uri.path,
|
|
method: self.method,
|
|
headers: {
|
|
'content-type': self.getHeader('content-type') || ''
|
|
},
|
|
body: self.body
|
|
}
|
|
var signRes = aws4.sign(options, {
|
|
accessKeyId: opts.key,
|
|
secretAccessKey: opts.secret,
|
|
sessionToken: opts.session
|
|
})
|
|
self.setHeader('authorization', signRes.headers.Authorization)
|
|
self.setHeader('x-amz-date', signRes.headers['X-Amz-Date'])
|
|
if (signRes.headers['X-Amz-Security-Token']) {
|
|
self.setHeader('x-amz-security-token', signRes.headers['X-Amz-Security-Token'])
|
|
}
|
|
} else {
|
|
// default: use aws-sign2
|
|
var date = new Date()
|
|
self.setHeader('date', date.toUTCString())
|
|
var auth = {
|
|
key: opts.key,
|
|
secret: opts.secret,
|
|
verb: self.method.toUpperCase(),
|
|
date: date,
|
|
contentType: self.getHeader('content-type') || '',
|
|
md5: self.getHeader('content-md5') || '',
|
|
amazonHeaders: aws2.canonicalizeHeaders(self.headers)
|
|
}
|
|
var path = self.uri.path
|
|
if (opts.bucket && path) {
|
|
auth.resource = '/' + opts.bucket + path
|
|
} else if (opts.bucket && !path) {
|
|
auth.resource = '/' + opts.bucket
|
|
} else if (!opts.bucket && path) {
|
|
auth.resource = path
|
|
} else if (!opts.bucket && !path) {
|
|
auth.resource = '/'
|
|
}
|
|
auth.resource = aws2.canonicalizeResource(auth.resource)
|
|
self.setHeader('authorization', aws2.authorization(auth))
|
|
}
|
|
|
|
return self
|
|
}
|
|
Request.prototype.httpSignature = function (opts) {
|
|
var self = this
|
|
httpSignature.signRequest({
|
|
getHeader: function (header) {
|
|
return self.getHeader(header, self.headers)
|
|
},
|
|
setHeader: function (header, value) {
|
|
self.setHeader(header, value)
|
|
},
|
|
method: self.method,
|
|
path: self.path
|
|
}, opts)
|
|
debug('httpSignature authorization', self.getHeader('authorization'))
|
|
|
|
return self
|
|
}
|
|
Request.prototype.hawk = function (opts) {
|
|
var self = this
|
|
self.setHeader('Authorization', hawk.client.header(self.uri, self.method, opts).field)
|
|
}
|
|
Request.prototype.oauth = function (_oauth) {
|
|
var self = this
|
|
|
|
self._oauth.onRequest(_oauth)
|
|
|
|
return self
|
|
}
|
|
|
|
Request.prototype.jar = function (jar) {
|
|
var self = this
|
|
var cookies
|
|
|
|
if (self._redirect.redirectsFollowed === 0) {
|
|
self.originalCookieHeader = self.getHeader('cookie')
|
|
}
|
|
|
|
if (!jar) {
|
|
// disable cookies
|
|
cookies = false
|
|
self._disableCookies = true
|
|
} else {
|
|
var targetCookieJar = (jar && jar.getCookieString) ? jar : globalCookieJar
|
|
var urihref = self.uri.href
|
|
// fetch cookie in the Specified host
|
|
if (targetCookieJar) {
|
|
cookies = targetCookieJar.getCookieString(urihref)
|
|
}
|
|
}
|
|
|
|
// if need cookie and cookie is not empty
|
|
if (cookies && cookies.length) {
|
|
if (self.originalCookieHeader) {
|
|
// Don't overwrite existing Cookie header
|
|
self.setHeader('cookie', self.originalCookieHeader + '; ' + cookies)
|
|
} else {
|
|
self.setHeader('cookie', cookies)
|
|
}
|
|
}
|
|
self._jar = jar
|
|
return self
|
|
}
|
|
|
|
// Stream API
|
|
Request.prototype.pipe = function (dest, opts) {
|
|
var self = this
|
|
|
|
if (self.response) {
|
|
if (self._destdata) {
|
|
self.emit('error', new Error('You cannot pipe after data has been emitted from the response.'))
|
|
} else if (self._ended) {
|
|
self.emit('error', new Error('You cannot pipe after the response has been ended.'))
|
|
} else {
|
|
stream.Stream.prototype.pipe.call(self, dest, opts)
|
|
self.pipeDest(dest)
|
|
return dest
|
|
}
|
|
} else {
|
|
self.dests.push(dest)
|
|
stream.Stream.prototype.pipe.call(self, dest, opts)
|
|
return dest
|
|
}
|
|
}
|
|
Request.prototype.write = function () {
|
|
var self = this
|
|
if (self._aborted) { return }
|
|
|
|
if (!self._started) {
|
|
self.start()
|
|
}
|
|
if (self.req) {
|
|
return self.req.write.apply(self.req, arguments)
|
|
}
|
|
}
|
|
Request.prototype.end = function (chunk) {
|
|
var self = this
|
|
if (self._aborted) { return }
|
|
|
|
if (chunk) {
|
|
self.write(chunk)
|
|
}
|
|
if (!self._started) {
|
|
self.start()
|
|
}
|
|
if (self.req) {
|
|
self.req.end()
|
|
}
|
|
}
|
|
Request.prototype.pause = function () {
|
|
var self = this
|
|
if (!self.responseContent) {
|
|
self._paused = true
|
|
} else {
|
|
self.responseContent.pause.apply(self.responseContent, arguments)
|
|
}
|
|
}
|
|
Request.prototype.resume = function () {
|
|
var self = this
|
|
if (!self.responseContent) {
|
|
self._paused = false
|
|
} else {
|
|
self.responseContent.resume.apply(self.responseContent, arguments)
|
|
}
|
|
}
|
|
Request.prototype.destroy = function () {
|
|
var self = this
|
|
if (!self._ended) {
|
|
self.end()
|
|
} else if (self.response) {
|
|
self.response.destroy()
|
|
}
|
|
}
|
|
|
|
Request.defaultProxyHeaderWhiteList =
|
|
Tunnel.defaultProxyHeaderWhiteList.slice()
|
|
|
|
Request.defaultProxyHeaderExclusiveList =
|
|
Tunnel.defaultProxyHeaderExclusiveList.slice()
|
|
|
|
// Exports
|
|
|
|
Request.prototype.toJSON = requestToJSON
|
|
module.exports = Request
|