index.js

 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of Salesforce.com nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*jshint unused:false */

function Store() {
}
exports.Store = Store;

// Stores may be synchronous, but are still required to use a
// Continuation-Passing Style API.  The CookieJar itself will expose a "*Sync"
// API that converts from synchronous-callbacks to imperative style.
Store.prototype.synchronous = false;

Store.prototype.findCookie = function(domain, path, key, cb) {
  throw new Error('findCookie is not implemented');
};

Store.prototype.findCookies = function(domain, path, cb) {
  throw new Error('findCookies is not implemented');
};

Store.prototype.putCookie = function(cookie, cb) {
  throw new Error('putCookie is not implemented');
};

Store.prototype.updateCookie = function(oldCookie, newCookie, cb) {
  // recommended default implementation:
  // return this.putCookie(newCookie, cb);
  throw new Error('updateCookie is not implemented');
};

Store.prototype.removeCookie = function(domain, path, key, cb) {
  throw new Error('removeCookie is not implemented');
};

Store.prototype.removeCookies = function(domain, path, cb) {
  throw new Error('removeCookies is not implemented');
};

Store.prototype.getAllCookies = function(cb) {
  throw new Error('getAllCookies is not implemented (therefore jar cannot be serialized)');
};


/***/ }),
/* 89 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/*!
 * Copyright (c) 2015, Salesforce.com, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of Salesforce.com nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

var Store = __webpack_require__(88).Store;
var permuteDomain = __webpack_require__(90).permuteDomain;
var pathMatch = __webpack_require__(91).pathMatch;
var util = __webpack_require__(9);

function MemoryCookieStore() {
  Store.call(this);
  this.idx = {};
}
util.inherits(MemoryCookieStore, Store);
exports.MemoryCookieStore = MemoryCookieStore;
MemoryCookieStore.prototype.idx = null;

// Since it's just a struct in RAM, this Store is synchronous
MemoryCookieStore.prototype.synchronous = true;

// force a default depth:
MemoryCookieStore.prototype.inspect = function() {
  return "{ idx: "+util.inspect(this.idx, false, 2)+' }';
};

// Use the new custom inspection symbol to add the custom inspect function if
// available.
if (util.inspect.custom) {
  MemoryCookieStore.prototype[util.inspect.custom] = MemoryCookieStore.prototype.inspect;
}

MemoryCookieStore.prototype.findCookie = function(domain, path, key, cb) {
  if (!this.idx[domain]) {
    return cb(null,undefined);
  }
  if (!this.idx[domain][path]) {
    return cb(null,undefined);
  }
  return cb(null,this.idx[domain][path][key]||null);
};

MemoryCookieStore.prototype.findCookies = function(domain, path, cb) {
  var results = [];
  if (!domain) {
    return cb(null,[]);
  }

  var pathMatcher;
  if (!path) {
    // null means "all paths"
    pathMatcher = function matchAll(domainIndex) {
      for (var curPath in domainIndex) {
        var pathIndex = domainIndex[curPath];
        for (var key in pathIndex) {
          results.push(pathIndex[key]);
        }
      }
    };

  } else {
    pathMatcher = function matchRFC(domainIndex) {
       //NOTE: we should use path-match algorithm from S5.1.4 here
       //(see : https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/canonical_cookie.cc#L299)
       Object.keys(domainIndex).forEach(function (cookiePath) {
         if (pathMatch(path, cookiePath)) {
           var pathIndex = domainIndex[cookiePath];

           for (var key in pathIndex) {
             results.push(pathIndex[key]);
           }
         }
       });
     };
  }

  var domains = permuteDomain(domain) || [domain];
  var idx = this.idx;
  domains.forEach(function(curDomain) {
    var domainIndex = idx[curDomain];
    if (!domainIndex) {
      return;
    }
    pathMatcher(domainIndex);
  });

  cb(null,results);
};

MemoryCookieStore.prototype.putCookie = function(cookie, cb) {
  if (!this.idx[cookie.domain]) {
    this.idx[cookie.domain] = {};
  }
  if (!this.idx[cookie.domain][cookie.path]) {
    this.idx[cookie.domain][cookie.path] = {};
  }
  this.idx[cookie.domain][cookie.path][cookie.key] = cookie;
  cb(null);
};

MemoryCookieStore.prototype.updateCookie = function(oldCookie, newCookie, cb) {
  // updateCookie() may avoid updating cookies that are identical.  For example,
  // lastAccessed may not be important to some stores and an equality
  // comparison could exclude that field.
  this.putCookie(newCookie,cb);
};

MemoryCookieStore.prototype.removeCookie = function(domain, path, key, cb) {
  if (this.idx[domain] && this.idx[domain][path] && this.idx[domain][path][key]) {
    delete this.idx[domain][path][key];
  }
  cb(null);
};

MemoryCookieStore.prototype.removeCookies = function(domain, path, cb) {
  if (this.idx[domain]) {
    if (path) {
      delete this.idx[domain][path];
    } else {
      delete this.idx[domain];
    }
  }
  return cb(null);
};

MemoryCookieStore.prototype.getAllCookies = function(cb) {
  var cookies = [];
  var idx = this.idx;

  var domains = Object.keys(idx);
  domains.forEach(function(domain) {
    var paths = Object.keys(idx[domain]);
    paths.forEach(function(path) {
      var keys = Object.keys(idx[domain][path]);
      keys.forEach(function(key) {
        if (key !== null) {
          cookies.push(idx[domain][path][key]);
        }
      });
    });
  });

  // Sort by creationIndex so deserializing retains the creation order.
  // When implementing your own store, this SHOULD retain the order too
  cookies.sort(function(a,b) {
    return (a.creationIndex||0) - (b.creationIndex||0);
  });

  cb(null, cookies);
};


/***/ }),
/* 90 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/*!
 * Copyright (c) 2015, Salesforce.com, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of Salesforce.com nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

var pubsuffix = __webpack_require__(84);

// Gives the permutation of all possible domainMatch()es of a given domain. The
// array is in shortest-to-longest order.  Handy for indexing.
function permuteDomain (domain) {
  var pubSuf = pubsuffix.getPublicSuffix(domain);
  if (!pubSuf) {
    return null;
  }
  if (pubSuf == domain) {
    return [domain];
  }

  var prefix = domain.slice(0, -(pubSuf.length + 1)); // ".example.com"
  var parts = prefix.split('.').reverse();
  var cur = pubSuf;
  var permutations = [cur];
  while (parts.length) {
    cur = parts.shift() + '.' + cur;
    permutations.push(cur);
  }
  return permutations;
}

exports.permuteDomain = permuteDomain;


/***/ }),
/* 91 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/*!
 * Copyright (c) 2015, Salesforce.com, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of Salesforce.com nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * "A request-path path-matches a given cookie-path if at least one of the
 * following conditions holds:"
 */
function pathMatch (reqPath, cookiePath) {
  // "o  The cookie-path and the request-path are identical."
  if (cookiePath === reqPath) {
    return true;
  }

  var idx = reqPath.indexOf(cookiePath);
  if (idx === 0) {
    // "o  The cookie-path is a prefix of the request-path, and the last
    // character of the cookie-path is %x2F ("/")."
    if (cookiePath.substr(-1) === "/") {
      return true;
    }

    // " o  The cookie-path is a prefix of the request-path, and the first
    // character of the request-path that is not included in the cookie- path
    // is a %x2F ("/") character."
    if (reqPath.substr(cookiePath.length, 1) === "/") {
      return true;
    }
  }

  return false;
}

exports.pathMatch = pathMatch;


/***/ }),
/* 92 */
/***/ (function(module) {

module.exports = JSON.parse("{\"author\":{\"name\":\"Jeremy Stashewsky\",\"email\":\"jstash@gmail.com\",\"website\":\"https://github.com/stash\"},\"contributors\":[{\"name\":\"Alexander Savin\",\"website\":\"https://github.com/apsavin\"},{\"name\":\"Ian Livingstone\",\"website\":\"https://github.com/ianlivingstone\"},{\"name\":\"Ivan Nikulin\",\"website\":\"https://github.com/inikulin\"},{\"name\":\"Lalit Kapoor\",\"website\":\"https://github.com/lalitkapoor\"},{\"name\":\"Sam Thompson\",\"website\":\"https://github.com/sambthompson\"},{\"name\":\"Sebastian Mayr\",\"website\":\"https://github.com/Sebmaster\"}],\"license\":\"BSD-3-Clause\",\"name\":\"tough-cookie\",\"description\":\"RFC6265 Cookies and Cookie Jar for node.js\",\"keywords\":[\"HTTP\",\"cookie\",\"cookies\",\"set-cookie\",\"cookiejar\",\"jar\",\"RFC6265\",\"RFC2965\"],\"version\":\"2.4.3\",\"homepage\":\"https://github.com/salesforce/tough-cookie\",\"repository\":{\"type\":\"git\",\"url\":\"git://github.com/salesforce/tough-cookie.git\"},\"bugs\":{\"url\":\"https://github.com/salesforce/tough-cookie/issues\"},\"main\":\"./lib/cookie\",\"files\":[\"lib\"],\"scripts\":{\"test\":\"vows test/*_test.js\",\"cover\":\"nyc --reporter=lcov --reporter=html vows test/*_test.js\"},\"engines\":{\"node\":\">=0.8\"},\"devDependencies\":{\"async\":\"^1.4.2\",\"nyc\":\"^11.6.0\",\"string.prototype.repeat\":\"^0.2.0\",\"vows\":\"^0.8.1\"},\"dependencies\":{\"psl\":\"^1.1.24\",\"punycode\":\"^1.4.1\"}}");

/***/ }),
/* 93 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var jsonSafeStringify = __webpack_require__(7)
var crypto = __webpack_require__(94)
var Buffer = __webpack_require__(95).Buffer

var defer = typeof setImmediate === 'undefined'
  ? process.nextTick
  : setImmediate

function paramsHaveRequestBody (params) {
  return (
    params.body ||
    params.requestBodyStream ||
    (params.json && typeof params.json !== 'boolean') ||
    params.multipart
  )
}

function safeStringify (obj, replacer) {
  var ret
  try {
    ret = JSON.stringify(obj, replacer)
  } catch (e) {
    ret = jsonSafeStringify(obj, replacer)
  }
  return ret
}

function md5 (str) {
  return crypto.createHash('md5').update(str).digest('hex')
}

function isReadStream (rs) {
  return rs.readable && rs.path && rs.mode
}

function toBase64 (str) {
  return Buffer.from(str || '', 'utf8').toString('base64')
}

function copy (obj) {
  var o = {}
  Object.keys(obj).forEach(function (i) {
    o[i] = obj[i]
  })
  return o
}

function version () {
  var numbers = process.version.replace('v', '').split('.')
  return {
    major: parseInt(numbers[0], 10),
    minor: parseInt(numbers[1], 10),
    patch: parseInt(numbers[2], 10)
  }
}

exports.paramsHaveRequestBody = paramsHaveRequestBody
exports.safeStringify = safeStringify
exports.md5 = md5
exports.isReadStream = isReadStream
exports.toBase64 = toBase64
exports.copy = copy
exports.version = version
exports.defer = defer


/***/ }),
/* 94 */
/***/ (function(module, exports) {

module.exports = require("crypto");

/***/ }),
/* 95 */
/***/ (function(module, exports, __webpack_require__) {

/* eslint-disable node/no-deprecated-api */
var buffer = __webpack_require__(96)
var Buffer = buffer.Buffer

// alternative to using Object.keys for old browsers
function copyProps (src, dst) {
  for (var key in src) {
    dst[key] = src[key]
  }
}
if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
  module.exports = buffer
} else {
  // Copy properties from require('buffer')
  copyProps(buffer, exports)
  exports.Buffer = SafeBuffer
}

function SafeBuffer (arg, encodingOrOffset, length) {
  return Buffer(arg, encodingOrOffset, length)
}

SafeBuffer.prototype = Object.create(Buffer.prototype)

// Copy static methods from Buffer
copyProps(Buffer, SafeBuffer)

SafeBuffer.from = function (arg, encodingOrOffset, length) {
  if (typeof arg === 'number') {
    throw new TypeError('Argument must not be a number')
  }
  return Buffer(arg, encodingOrOffset, length)
}

SafeBuffer.alloc = function (size, fill, encoding) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  var buf = Buffer(size)
  if (fill !== undefined) {
    if (typeof encoding === 'string') {
      buf.fill(fill, encoding)
    } else {
      buf.fill(fill)
    }
  } else {
    buf.fill(0)
  }
  return buf
}

SafeBuffer.allocUnsafe = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return Buffer(size)
}

SafeBuffer.allocUnsafeSlow = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return buffer.SlowBuffer(size)
}


/***/ }),
/* 96 */
/***/ (function(module, exports) {

module.exports = require("buffer");

/***/ }),
/* 97 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var http = __webpack_require__(98)
var https = __webpack_require__(99)
var url = __webpack_require__(83)
var util = __webpack_require__(9)
var stream = __webpack_require__(100)
var zlib = __webpack_require__(101)
var aws2 = __webpack_require__(102)
var aws4 = __webpack_require__(103)
var httpSignature = __webpack_require__(106)
var mime = __webpack_require__(157)
var caseless = __webpack_require__(161)
var ForeverAgent = __webpack_require__(162)
var FormData = __webpack_require__(164)
var extend = __webpack_require__(79)
var isstream = __webpack_require__(179)
var isTypedArray = __webpack_require__(180).strict
var helpers = __webpack_require__(93)
var cookies = __webpack_require__(80)
var getProxyFromURI = __webpack_require__(181)
var Querystring = __webpack_require__(182).Querystring
var Har = __webpack_require__(188).Har
var Auth = __webpack_require__(257).Auth
var OAuth = __webpack_require__(261).OAuth
var hawk = __webpack_require__(263)
var Multipart = __webpack_require__(264).Multipart
var Redirect = __webpack_require__(265).Redirect
var Tunnel = __webpack_require__(266).Tunnel
var now = __webpack_require__(269)
var Buffer = __webpack_require__(95).Buffer

var safeStringify = helpers.safeStringify
var isReadStream = helpers.isReadStream
var toBase64 = helpers.toBase64
var defer = helpers.defer
var copy = helpers.copy
var version = helpers.version
var globalCookieJar = cookies.jar()

var globalPool = {}

function filterForNonReserved (reserved, options) {
  // Filter out properties that are not reserved.
  // Reserved values are passed in at call site.

  var object = {}
  for (var i in options) {
    var notReserved = (reserved.indexOf(i) === -1)
    if (notReserved) {
      object[i] = options[i]
    }
  }
  return object
}

function filterOutReservedFunctions (reserved, options) {
  // Filter out properties that are functions and are reserved.
  // Reserved values are passed in at call site.

  var object = {}
  for (var i in options) {
    var isReserved = !(reserved.indexOf(i) === -1)
    var isFunction = (typeof options[i] === 'function')
    if (!(isReserved && isFunction)) {
      object[i] = options[i]
    }
  }
  return object
}

// Return a simpler request object to allow serialization
function requestToJSON () {
  var self = this
  return {
    uri: self.uri,
    method: self.method,
    headers: self.headers
  }
}

// Return a simpler response object to allow serialization
function responseToJSON () {
  var self = this
  return {
    statusCode: self.statusCode,
    body: self.body,
    headers: self.headers,
    request: requestToJSON.call(self.request)
  }
}

function Request (options) {
  // if given the method property in options, set property explicitMethod to true

  // extend the Request instance with any non-reserved properties
  // remove any reserved functions from the options object
  // set Request instance to be readable and writable
  // call init

  var self = this

  // start with HAR, then override with additional options
  if (options.har) {
    self._har = new Har(self)
    options = self._har.options(options)
  }

  stream.Stream.call(self)
  var reserved = Object.keys(Request.prototype)
  var nonReserved = filterForNonReserved(reserved, options)

  extend(self, nonReserved)
  options = filterOutReservedFunctions(reserved, options)

  self.readable = true
  self.writable = true
  if (options.method) {
    self.explicitMethod = true
  }
  self._qs = new Querystring(self)
  self._auth = new Auth(self)
  self._oauth = new OAuth(self)
  self._multipart = new Multipart(self)
  self._redirect = new Redirect(self)
  self._tunnel = new Tunnel(self)
  self.init(options)
}

util.inherits(Request, stream.Stream)

// Debugging
Request.debug = process.env.NODE_DEBUG && /\brequest\b/.test(process.env.NODE_DEBUG)
function debug () {
  if (Request.debug) {
    console.error('REQUEST %s', util.format.apply(util, arguments))
  }
}
Request.prototype.debug = debug

Request.prototype.init = function (options) {
  // init() contains all the code to setup the request object.
  // the actual outgoing request is not started until start() is called
  // this function is called from both the constructor and on redirect.
  var self = this
  if (!options) {
    options = {}
  }
  self.headers = self.headers ? copy(self.headers) : {}

  // Delete headers with value undefined since they break
  // ClientRequest.OutgoingMessage.setHeader in node 0.12
  for (var headerName in self.headers) {
    if (typeof self.headers[headerName] === 'undefined') {
      delete self.headers[headerName]
    }
  }

  caseless.httpify(self, self.headers)

  if (!self.method) {
    self.method = options.method || 'GET'
  }
  if (!self.localAddress) {
    self.localAddress = options.localAddress
  }

  self._qs.init(options)

  debug(options)
  if (!self.pool && self.pool !== false) {
    self.pool = globalPool
  }
  self.dests = self.dests || []
  self.__isRequestRequest = true

  // Protect against double callback
  if (!self._callback && self.callback) {
    self._callback = self.callback
    self.callback = function () {
      if (self._callbackCalled) {
        return // Print a warning maybe?
      }
      self._callbackCalled = true
      self._callback.apply(self, arguments)
    }
    self.on('error', self.callback.bind())
    self.on('complete', self.callback.bind(self, null))
  }

  // People use this property instead all the time, so support it
  if (!self.uri && self.url) {
    self.uri = self.url
    delete self.url
  }

  // If there's a baseUrl, then use it as the base URL (i.e. uri must be
  // specified as a relative path and is appended to baseUrl).
  if (self.baseUrl) {
    if (typeof self.baseUrl !== 'string') {
      return self.emit('error', new Error('options.baseUrl must be a string'))
    }

    if (typeof self.uri !== 'string') {
      return self.emit('error', new Error('options.uri must be a string when using options.baseUrl'))
    }

    if (self.uri.indexOf('//') === 0 || self.uri.indexOf('://') !== -1) {
      return self.emit('error', new Error('options.uri must be a path when using options.baseUrl'))
    }

    // Handle all cases to make sure that there's only one slash between
    // baseUrl and uri.
    var baseUrlEndsWithSlash = self.baseUrl.lastIndexOf('/') === self.baseUrl.length - 1
    var uriStartsWithSlash = self.uri.indexOf('/') === 0

    if (baseUrlEndsWithSlash && uriStartsWithSlash) {
      self.uri = self.baseUrl + self.uri.slice(1)
    } else if (baseUrlEndsWithSlash || uriStartsWithSlash) {
      self.uri = self.baseUrl + self.uri
    } else if (self.uri === '') {
      self.uri = self.baseUrl
    } else {
      self.uri = self.baseUrl + '/' + self.uri
    }
    delete self.baseUrl
  }

  // A URI is needed by this point, emit error if we haven't been able to get one
  if (!self.uri) {
    return self.emit('error', new Error('options.uri is a required argument'))
  }

  // If a string URI/URL was given, parse it into a URL object
  if (typeof self.uri === 'string') {
    self.uri = url.parse(self.uri)
  }

  // Some URL objects are not from a URL parsed string and need href added
  if (!self.uri.href) {
    self.uri.href = url.format(self.uri)
  }

  // DEPRECATED: Warning for users of the old Unix Sockets URL Scheme
  if (self.uri.protocol === 'unix:') {
    return self.emit('error', new Error('`unix://` URL scheme is no longer supported. Please use the format `http://unix:SOCKET:PATH`'))
  }

  // Support Unix Sockets
  if (self.uri.host === 'unix') {
    self.enableUnixSocket()
  }

  if (self.strictSSL === false) {
    self.rejectUnauthorized = false
  }

  if (!self.uri.pathname) { self.uri.pathname = '/' }

  if (!(self.uri.host || (self.uri.hostname && self.uri.port)) && !self.uri.isUnix) {
    // Invalid URI: it may generate lot of bad errors, like 'TypeError: Cannot call method `indexOf` of undefined' in CookieJar
    // Detect and reject it as soon as possible
    var faultyUri = url.format(self.uri)
    var message = 'Invalid URI "' + faultyUri + '"'
    if (Object.keys(options).length === 0) {
      // No option ? This can be the sign of a redirect
      // As this is a case where the user cannot do anything (they didn't call request directly with this URL)
      // they should be warned that it can be caused by a redirection (can save some hair)
      message += '. This can be caused by a crappy redirection.'
    }
    // This error was fatal
    self.abort()
    return self.emit('error', new Error(message))
  }

  if (!self.hasOwnProperty('proxy')) {
    self.proxy = getProxyFromURI(self.uri)
  }

  self.tunnel = self._tunnel.isEnabled()
  if (self.proxy) {
    self._tunnel.setup(options)
  }

  self._redirect.onRequest(options)

  self.setHost = false
  if (!self.hasHeader('host')) {
    var hostHeaderName = self.originalHostHeaderName || 'host'
    self.setHeader(hostHeaderName, self.uri.host)
    // Drop :port suffix from Host header if known protocol.
    if (self.uri.port) {
      if ((self.uri.port === '80' && self.uri.protocol === 'http:') ||
          (self.uri.port === '443' && self.uri.protocol === 'https:')) {
        self.setHeader(hostHeaderName, self.uri.hostname)
      }
    }
    self.setHost = true
  }

  self.jar(self._jar || options.jar)

  if (!self.uri.port) {
    if (self.uri.protocol === 'http:') { self.uri.port = 80 } else if (self.uri.protocol === 'https:') { self.uri.port = 443 }
  }

  if (self.proxy && !self.tunnel) {
    self.port = self.proxy.port
    self.host = self.proxy.hostname
  } else {
    self.port = self.uri.port
    self.host = self.uri.hostname
  }

  if (options.form) {
    self.form(options.form)
  }

  if (options.formData) {
    var formData = options.formData
    var requestForm = self.form()
    var appendFormValue = function (key, value) {
      if (value && value.hasOwnProperty('value') && value.hasOwnProperty('options')) {
        requestForm.append(key, value.value, value.options)
      } else {
        requestForm.append(key, value)
      }
    }
    for (var formKey in formData) {
      if (formData.hasOwnProperty(formKey)) {
        var formValue = formData[formKey]
        if (formValue instanceof Array) {
          for (var j = 0; j < formValue.length; j++) {
            appendFormValue(formKey, formValue[j])
          }
        } else {
          appendFormValue(formKey, formValue)
        }
      }
    }
  }

  if (options.qs) {
    self.qs(options.qs)
  }

  if (self.uri.path) {
    self.path = self.uri.path
  } else {
    self.path = self.uri.pathname + (self.uri.search || '')
  }

  if (self.path.length === 0) {
    self.path = '/'
  }

  // Auth must happen last in case signing is dependent on other headers
  if (options.aws) {
    self.aws(options.aws)
  }

  if (options.hawk) {
    self.hawk(options.hawk)
  }

  if (options.httpSignature) {
    self.httpSignature(options.httpSignature)
  }

  if (options.auth) {
    if (Object.prototype.hasOwnProperty.call(options.auth, 'username')) {
      options.auth.user = options.auth.username
    }
    if (Object.prototype.hasOwnProperty.call(options.auth, 'password')) {
      options.auth.pass = options.auth.password
    }

    self.auth(
      options.auth.user,
      options.auth.pass,
      options.auth.sendImmediately,
      options.auth.bearer
    )
  }

  if (self.gzip && !self.hasHeader('accept-encoding')) {
    self.setHeader('accept-encoding', 'gzip, deflate')
  }

  if (self.uri.auth && !self.hasHeader('authorization')) {
    var uriAuthPieces = self.uri.auth.split(':').map(function (item) { return self._qs.unescape(item) })
    self.auth(uriAuthPieces[0], uriAuthPieces.slice(1).join(':'), true)
  }

  if (!self.tunnel && self.proxy && self.proxy.auth && !self.hasHeader('proxy-authorization')) {
    var proxyAuthPieces = self.proxy.auth.split(':').map(function (item) { return self._qs.unescape(item) })
    var authHeader = 'Basic ' + toBase64(proxyAuthPieces.join(':'))
    self.setHeader('proxy-authorization', authHeader)
  }

  if (self.proxy && !self.tunnel) {
    self.path = (self.uri.protocol + '//' + self.uri.host + self.path)
  }

  if (options.json) {
    self.json(options.json)
  }
  if (options.multipart) {
    self.multipart(options.multipart)
  }

  if (options.time) {
    self.timing = true

    // NOTE: elapsedTime is deprecated in favor of .timings
    self.elapsedTime = self.elapsedTime || 0
  }

  function setContentLength () {
    if (isTypedArray(self.body)) {
      self.body = Buffer.from(self.body)
    }

    if (!self.hasHeader('content-length')) {
      var length
      if (typeof self.body === 'string') {
        length = Buffer.byteLength(self.body)
      } else if (Array.isArray(self.body)) {
        length = self.body.reduce(function (a, b) { return a + b.length }, 0)
      } else {
        length = self.body.length
      }

      if (length) {
        self.setHeader('content-length', length)
      } else {
        self.emit('error', new Error('Argument error, options.body.'))
      }
    }
  }
  if (self.body && !isstream(self.body)) {
    setContentLength()
  }

  if (options.oauth) {
    self.oauth(options.oauth)
  } else if (self._oauth.params && self.hasHeader('authorization')) {
    self.oauth(self._oauth.params)
  }

  var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol
  var defaultModules = {'http:': http, 'https:': https}
  var httpModules = self.httpModules || {}

  self.httpModule = httpModules[protocol] || defaultModules[protocol]