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15 | 'use strict'
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16 |
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17 | var extend = require('extend')
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18 | , cookies = require('./lib/cookies')
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19 | , helpers = require('./lib/helpers')
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20 |
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21 | var isFunction = helpers.isFunction
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22 | , paramsHaveRequestBody = helpers.paramsHaveRequestBody
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23 |
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24 |
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25 |
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26 | function initParams(uri, options, callback) {
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27 | if (typeof options === 'function') {
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28 | callback = options
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29 | }
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30 |
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31 | var params = {}
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32 | if (typeof options === 'object') {
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33 | extend(params, options, {uri: uri})
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34 | } else if (typeof uri === 'string') {
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35 | extend(params, {uri: uri})
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36 | } else {
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37 | extend(params, uri)
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38 | }
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39 |
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40 | params.callback = callback || params.callback
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41 | return params
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42 | }
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43 |
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44 | function request (uri, options, callback) {
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45 | if (typeof uri === 'undefined') {
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46 | throw new Error('undefined is not a valid uri or options object.')
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47 | }
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48 |
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49 | var params = initParams(uri, options, callback)
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50 |
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51 | if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
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52 | throw new Error('HTTP HEAD requests MUST NOT include a request body.')
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53 | }
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54 |
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55 | return new request.Request(params)
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56 | }
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57 |
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58 | function verbFunc (verb) {
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59 | var method = verb.toUpperCase()
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60 | return function (uri, options, callback) {
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61 | var params = initParams(uri, options, callback)
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62 | params.method = method
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63 | return request(params, params.callback)
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64 | }
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65 | }
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66 |
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67 |
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68 | request.get = verbFunc('get')
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69 | request.head = verbFunc('head')
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70 | request.post = verbFunc('post')
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71 | request.put = verbFunc('put')
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72 | request.patch = verbFunc('patch')
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73 | request.del = verbFunc('delete')
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74 | request['delete'] = verbFunc('delete')
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75 |
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76 | request.jar = function (store) {
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77 | return cookies.jar(store)
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78 | }
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79 |
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80 | request.cookie = function (str) {
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81 | return cookies.parse(str)
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82 | }
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83 |
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84 | function wrapRequestMethod (method, options, requester, verb) {
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85 |
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86 | return function (uri, opts, callback) {
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87 | var params = initParams(uri, opts, callback)
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88 |
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89 | var target = {}
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90 | extend(true, target, options, params)
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91 |
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92 | target.pool = params.pool || options.pool
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93 |
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94 | if (verb) {
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95 | target.method = verb.toUpperCase()
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96 | }
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97 |
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98 | if (isFunction(requester)) {
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99 | method = requester
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100 | }
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101 |
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102 | return method(target, target.callback)
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103 | }
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104 | }
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105 |
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106 | request.defaults = function (options, requester) {
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107 | var self = this
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108 |
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109 | options = options || {}
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110 |
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111 | if (typeof options === 'function') {
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112 | requester = options
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113 | options = {}
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114 | }
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115 |
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116 | var defaults = wrapRequestMethod(self, options, requester)
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117 |
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118 | var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
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119 | verbs.forEach(function(verb) {
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120 | defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
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121 | })
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122 |
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123 | defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
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124 | defaults.jar = self.jar
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125 | defaults.defaults = self.defaults
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126 | return defaults
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127 | }
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128 |
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129 | request.forever = function (agentOptions, optionsArg) {
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130 | var options = {}
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131 | if (optionsArg) {
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132 | extend(options, optionsArg)
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133 | }
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134 | if (agentOptions) {
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135 | options.agentOptions = agentOptions
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136 | }
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137 |
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138 | options.forever = true
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139 | return request.defaults(options)
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140 | }
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141 |
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142 |
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143 |
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144 | module.exports = request
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145 | request.Request = require('./request')
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146 | request.initParams = initParams
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147 |
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148 |
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149 | Object.defineProperty(request, 'debug', {
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150 | enumerable : true,
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151 | get : function() {
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152 | return request.Request.debug
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153 | },
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154 | set : function(debug) {
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155 | request.Request.debug = debug
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156 | }
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157 | })
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