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+// Copyright 2010-2012 Mikeal Rogers
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict'
+
+var extend = require('extend')
+var cookies = require('./lib/cookies')
+var helpers = require('./lib/helpers')
+
+var paramsHaveRequestBody = helpers.paramsHaveRequestBody
+
+// organize params for patch, post, put, head, del
+function initParams (uri, options, callback) {
+ if (typeof options === 'function') {
+ callback = options
+ }
+
+ var params = {}
+ if (typeof options === 'object') {
+ extend(params, options, {uri: uri})
+ } else if (typeof uri === 'string') {
+ extend(params, {uri: uri})
+ } else {
+ extend(params, uri)
+ }
+
+ params.callback = callback || params.callback
+ return params
+}
+
+function request (uri, options, callback) {
+ if (typeof uri === 'undefined') {
+ throw new Error('undefined is not a valid uri or options object.')
+ }
+
+ var params = initParams(uri, options, callback)
+
+ if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
+ throw new Error('HTTP HEAD requests MUST NOT include a request body.')
+ }
+
+ return new request.Request(params)
+}
+
+function verbFunc (verb) {
+ var method = verb.toUpperCase()
+ return function (uri, options, callback) {
+ var params = initParams(uri, options, callback)
+ params.method = method
+ return request(params, params.callback)
+ }
+}
+
+// define like this to please codeintel/intellisense IDEs
+request.get = verbFunc('get')
+request.head = verbFunc('head')
+request.options = verbFunc('options')
+request.post = verbFunc('post')
+request.put = verbFunc('put')
+request.patch = verbFunc('patch')
+request.del = verbFunc('delete')
+request['delete'] = verbFunc('delete')
+
+request.jar = function (store) {
+ return cookies.jar(store)
+}
+
+request.cookie = function (str) {
+ return cookies.parse(str)
+}
+
+function wrapRequestMethod (method, options, requester, verb) {
+ return function (uri, opts, callback) {
+ var params = initParams(uri, opts, callback)
+
+ var target = {}
+ extend(true, target, options, params)
+
+ target.pool = params.pool || options.pool
+
+ if (verb) {
+ target.method = verb.toUpperCase()
+ }
+
+ if (typeof requester === 'function') {
+ method = requester
+ }
+
+ return method(target, target.callback)
+ }
+}
+
+request.defaults = function (options, requester) {
+ var self = this
+
+ options = options || {}
+
+ if (typeof options === 'function') {
+ requester = options
+ options = {}
+ }
+
+ var defaults = wrapRequestMethod(self, options, requester)
+
+ var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
+ verbs.forEach(function (verb) {
+ defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
+ })
+
+ defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
+ defaults.jar = self.jar
+ defaults.defaults = self.defaults
+ return defaults
+}
+
+request.forever = function (agentOptions, optionsArg) {
+ var options = {}
+ if (optionsArg) {
+ extend(options, optionsArg)
+ }
+ if (agentOptions) {
+ options.agentOptions = agentOptions
+ }
+
+ options.forever = true
+ return request.defaults(options)
+}
+
+// Exports
+
+module.exports = request
+request.Request = require('./request')
+request.initParams = initParams
+
+// Backwards compatibility for request.debug
+Object.defineProperty(request, 'debug', {
+ enumerable: true,
+ get: function () {
+ return request.Request.debug
+ },
+ set: function (debug) {
+ request.Request.debug = debug
+ }
+})