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<?php |
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/** |
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* ActiveRecord for API |
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* |
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* @link https://github.com/hiqdev/yii2-hiart |
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* @package yii2-hiart |
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* @license BSD-3-Clause |
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* @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\hiart\curl; |
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use hiqdev\hiart\AbstractRequest; |
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use hiqdev\hiart\AbstractResponse; |
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use hiqdev\hiart\ResponseErrorException; |
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/** |
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* Class Response represents response through cURL library. |
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*/ |
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class Response extends AbstractResponse |
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{ |
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/** |
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* @var string |
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*/ |
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protected $rawData; |
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/** |
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* @var array[] |
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*/ |
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protected $headers = []; |
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/** |
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* @var string |
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*/ |
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protected $statusCode; |
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/** |
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* @var string |
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*/ |
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protected $reasonPhrase; |
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/** |
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* Response constructor. |
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* |
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* @param AbstractRequest $request |
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* @param string $rawBody the raw response, returned by `curl_exec()` method |
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* @param array $info the cURL information, returned by `curl_getinfo()` method |
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* @param string $error the cURL error message, if present. Empty string otherwise. |
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* @param int $errorCode the cURL error code, if present. Integer `0` otherwise. |
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* @throws ResponseErrorException |
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*/ |
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public function __construct(AbstractRequest $request, $rawBody, $info, $error, $errorCode) |
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{ |
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$this->request = $request; |
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$this->checkTransportError($error, $errorCode); |
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$parsedResponse = $this->parseRawResponse($rawBody, $info); |
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$this->headers = $parsedResponse['headers']; |
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$this->statusCode = $parsedResponse['statusCode']; |
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$this->rawData = $parsedResponse['data']; |
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$this->reasonPhrase = $parsedResponse['reasonPhrase']; |
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} |
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/** |
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* @return mixed|string |
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*/ |
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public function getRawData() |
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{ |
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return $this->rawData; |
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} |
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/** |
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* @param string $name the header name |
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* @return array|null |
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*/ |
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public function getHeader($name) |
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{ |
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return isset($this->headers[strtolower($name)]) ? $this->headers[strtolower($name)] : null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getStatusCode() |
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{ |
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return $this->statusCode; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getReasonPhrase() |
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{ |
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return $this->reasonPhrase; |
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} |
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/** |
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* Parses raw response and returns parsed information. |
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* |
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* @param string $data the raw response |
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* @param array $info the curl information (result of `gurl_getinfo` call) |
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* @return array array with the following keys will be returned: |
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* - data: string, response data; |
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* - headers: array, response headers; |
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* - statusCode: string, the response status-code; |
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* - reasonPhrase: string, the response reason phrase (OK, NOT FOUND, etc) |
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*/ |
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protected function parseRawResponse($data, $info) |
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{ |
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$result = []; |
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$headerSize = $info['header_size']; |
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$result['data'] = substr($data, $headerSize); |
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$rawHeaders = explode("\r\n", substr($data, 0, $headerSize)); |
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// First line is status-code HTTP/1.1 200 OK |
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list(, $result['statusCode'], $result['reasonPhrase']) = explode(' ', array_shift($rawHeaders), 3); |
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foreach ($rawHeaders as $line) { |
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if ($line === '') { |
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continue; |
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} |
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list($key, $value) = explode(': ', $line); |
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$result['headers'][strtolower($key)][] = $value; |
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} |
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return $result; |
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} |
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/** |
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* Checks $error and $errorCode for transport errors. |
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* |
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* @param string $error the cURL error message, if present. Empty string otherwise. |
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* @param int $errorCode the cURL error code, if present. Integer `0` otherwise. |
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* @throws ResponseErrorException when the error is present |
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*/ |
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protected function checkTransportError($error, $errorCode) |
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{ |
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if ($error !== '' || $errorCode !== 0) { |
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throw new ResponseErrorException($error, $this, $errorCode); |
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} |
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} |
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/** |
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* Returns array of all headers. |
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* Key - Header name |
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* Value - array of header values. For example:. |
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* |
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* ```php |
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* ['Location' => ['http://example.com'], 'Expires' => ['Thu, 01 Jan 1970 00:00:00 GMT']] |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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} |
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In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: