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