1 | <?php |
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2 | |||
3 | namespace Srmklive\PayPal\Traits; |
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4 | |||
5 | use GuzzleHttp\Client as HttpClient; |
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6 | use GuzzleHttp\Exception\ClientException as HttpClientException; |
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7 | use GuzzleHttp\Utils; |
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8 | use Psr\Http\Message\StreamInterface; |
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9 | use RuntimeException; |
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10 | use Srmklive\PayPal\Services\Str; |
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11 | |||
12 | trait PayPalHttpClient |
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13 | { |
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14 | /** |
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15 | * Http Client class object. |
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16 | * |
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17 | * @var HttpClient |
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18 | */ |
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19 | private $client; |
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20 | |||
21 | /** |
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22 | * Http Client configuration. |
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23 | * |
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24 | * @var array |
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25 | */ |
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26 | private $httpClientConfig; |
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27 | |||
28 | /** |
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29 | * PayPal API Endpoint. |
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30 | * |
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31 | * @var string |
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32 | */ |
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33 | private $apiUrl; |
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34 | |||
35 | /** |
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36 | * PayPal API Endpoint. |
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37 | * |
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38 | * @var string |
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39 | */ |
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40 | private $apiEndPoint; |
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41 | |||
42 | /** |
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43 | * IPN notification url for PayPal. |
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44 | * |
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45 | * @var string |
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46 | */ |
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47 | private $notifyUrl; |
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48 | |||
49 | /** |
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50 | * Http Client request body parameter name. |
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51 | * |
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52 | * @var string |
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53 | */ |
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54 | private $httpBodyParam; |
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55 | |||
56 | /** |
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57 | * Default payment action for PayPal. |
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58 | * |
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59 | * @var string |
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60 | */ |
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61 | private $paymentAction; |
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62 | |||
63 | /** |
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64 | * Default locale for PayPal. |
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65 | * |
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66 | * @var string |
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67 | */ |
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68 | private $locale; |
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69 | |||
70 | /** |
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71 | * Validate SSL details when creating HTTP client. |
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72 | * |
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73 | * @var bool |
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74 | */ |
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75 | private $validateSSL; |
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76 | |||
77 | /** |
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78 | * Request type. |
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79 | * |
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80 | * @var string |
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81 | */ |
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82 | protected $verb = 'post'; |
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83 | |||
84 | /** |
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85 | * Set curl constants if not defined. |
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86 | * |
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87 | * @return void |
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88 | */ |
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89 | protected function setCurlConstants() |
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90 | { |
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91 | $constants = [ |
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92 | 'CURLOPT_SSLVERSION' => 32, |
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93 | 'CURL_SSLVERSION_TLSv1_2' => 6, |
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94 | 'CURLOPT_SSL_VERIFYPEER' => 64, |
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95 | 'CURLOPT_SSLCERT' => 10025, |
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96 | ]; |
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97 | |||
98 | foreach ($constants as $key => $item) { |
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99 | $this->defineCurlConstant($key, $item); |
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100 | } |
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101 | } |
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102 | |||
103 | /** |
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104 | * Declare a curl constant. |
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105 | * |
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106 | * @param string $key |
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107 | * @param string $value |
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108 | * |
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109 | * @return bool |
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110 | */ |
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111 | protected function defineCurlConstant(string $key, string $value) |
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112 | { |
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113 | return defined($key) ? true : define($key, $value); |
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114 | } |
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115 | |||
116 | /** |
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117 | * Function to initialize/override Http Client. |
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118 | * |
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119 | * @param \GuzzleHttp\Client|null $client |
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120 | * |
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121 | * @return void |
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122 | */ |
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123 | public function setClient(HttpClient $client = null) |
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124 | { |
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125 | if ($client instanceof HttpClient) { |
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126 | $this->client = $client; |
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127 | |||
128 | return; |
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129 | } |
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130 | |||
131 | $this->client = new HttpClient([ |
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132 | 'curl' => $this->httpClientConfig, |
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133 | ]); |
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134 | } |
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135 | |||
136 | /** |
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137 | * Function to set Http Client configuration. |
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138 | * |
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139 | * @return void |
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140 | */ |
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141 | protected function setHttpClientConfiguration() |
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142 | { |
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143 | $this->setCurlConstants(); |
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144 | |||
145 | $this->httpClientConfig = [ |
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146 | CURLOPT_SSLVERSION => CURL_SSLVERSION_TLSv1_2, |
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147 | CURLOPT_SSL_VERIFYPEER => $this->validateSSL, |
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148 | ]; |
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149 | |||
150 | // Initialize Http Client |
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151 | $this->setClient(); |
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152 | |||
153 | // Set default values. |
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154 | $this->setDefaultValues(); |
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155 | |||
156 | // Set PayPal IPN Notification URL |
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157 | $this->notifyUrl = $this->config['notify_url']; |
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158 | } |
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159 | |||
160 | /** |
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161 | * Set default values for configuration. |
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162 | * |
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163 | * @return void |
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164 | */ |
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165 | private function setDefaultValues() |
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166 | { |
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167 | $paymentAction = empty($this->paymentAction) ? 'Sale' : $this->paymentAction; |
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168 | $this->paymentAction = $paymentAction; |
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169 | |||
170 | $locale = empty($this->locale) ? 'en_US' : $this->locale; |
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171 | $this->locale = $locale; |
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172 | |||
173 | $validateSSL = empty($this->validateSSL) ? true : $this->validateSSL; |
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174 | $this->validateSSL = $validateSSL; |
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175 | |||
176 | $this->show_totals = var_export($this->show_totals, true); |
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177 | } |
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178 | |||
179 | /** |
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180 | * Perform PayPal API request & return response. |
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181 | * |
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182 | * @throws \Throwable |
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183 | * |
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184 | * @return StreamInterface |
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185 | */ |
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186 | private function makeHttpRequest(): StreamInterface |
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187 | { |
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188 | try { |
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189 | return $this->client->{$this->verb}( |
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190 | $this->apiUrl, |
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191 | $this->options |
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192 | )->getBody(); |
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193 | } catch (HttpClientException $e) { |
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194 | throw new RuntimeException($e->getResponse()->getBody()); |
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195 | } |
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196 | } |
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197 | |||
198 | /** |
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199 | * Function To Perform PayPal API Request. |
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200 | * |
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201 | * @param bool $decode |
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202 | * |
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203 | * @throws \Throwable |
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204 | * |
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205 | * @return array|StreamInterface|string |
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206 | */ |
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207 | private function doPayPalRequest(bool $decode = true) |
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208 | { |
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209 | try { |
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210 | $this->apiUrl = collect([$this->config['api_url'], $this->apiEndPoint])->implode('/'); |
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211 | |||
212 | // Perform PayPal HTTP API request. |
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213 | $response = $this->makeHttpRequest(); |
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214 | |||
215 | return ($decode === false) ? $response->getContents() : Utils::jsonDecode($response, true); |
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216 | } catch (RuntimeException $t) { |
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217 | $error = ($decode === false) || (Str::isJson($t->getMessage()) === false) ? $t->getMessage() : Utils::jsonDecode($t->getMessage(), true); |
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218 | |||
219 | return ['error' => $error]; |
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220 | } |
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221 | } |
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222 | } |
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223 |