HttpClient::getResponseHeaders() - Code Metrics - Inspection of "Fixed conding standards and improved code" - woocommerce/wc-api-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 3150c4...4cbb1c )

unknown

created 2016-10-26 18:33 UTC

HttpClient::getResponseHeaders() A

↳ Parent: HttpClient

Complexity

Conditions	4
Paths	4

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
c	3
b	0
f	0
dl	0
loc	19
rs	9.2
cc	4
eloc	10
nc	4
nop	0

<?php
/**
 * WooCommerce REST API HTTP Client
 *
 * @category HttpClient
 * @package  Automattic/WooCommerce
 */

namespace Automattic\WooCommerce\HttpClient;

use Automattic\WooCommerce\Client;
use Automattic\WooCommerce\HttpClient\BasicAuth;
use Automattic\WooCommerce\HttpClient\HttpClientException;
use Automattic\WooCommerce\HttpClient\OAuth;
use Automattic\WooCommerce\HttpClient\Options;
use Automattic\WooCommerce\HttpClient\Request;
use Automattic\WooCommerce\HttpClient\Response;

/**
 * REST API HTTP Client class.
 *
 * @package Automattic/WooCommerce
 */
class HttpClient
{

    /**
     * cURL handle.
     *
     * @var resource
     */
    protected $ch;

    /**
     * Store API URL.
     *
     * @var string
     */
    protected $url;

    /**
     * Consumer key.
     *
     * @var string
     */
    protected $consumerKey;

    /**
     * Consumer secret.
     *
     * @var string
     */
    protected $consumerSecret;

    /**
     * Client options.
     *
     * @var Options
     */
    protected $options;

    /**
     * Request.
     *
     * @var Request
     */
    private $request;

    /**
     * Response.
     *
     * @var Response
     */
    private $response;

    /**
     * Response headers.
     *
     * @var string
     */
    private $responseHeaders;

    /**
     * Initialize HTTP client.
     *
     * @param string $url            Store URL.
     * @param string $consumerKey    Consumer key.
     * @param string $consumerSecret Consumer Secret.
     * @param array  $options        Client options.
     */
    public function __construct($url, $consumerKey, $consumerSecret, $options)
    {
        if (!\function_exists('curl_version')) {
            throw new HttpClientException('cURL is NOT installed on this server', -1, new Request(), new Response());
        }

        $this->options        = new Options($options);
        $this->url            = $this->buildApiUrl($url);
        $this->consumerKey    = $consumerKey;
        $this->consumerSecret = $consumerSecret;
    }

    /**
     * Check if is under SSL.
     *
     * @return bool
     */
    protected function isSsl()
    {
        return 'https://' === \substr($this->url, 0, 8);
    }

    /**
     * Build API URL.
     *
     * @param string $url Store URL.
     *
     * @return string
     */
    protected function buildApiUrl($url)
    {
        $api = $this->options->isWPAPI() ? $this->options->apiPrefix() : '/wc-api/';

        return \rtrim($url, '/') . $api . $this->options->getVersion() . '/';
    }

    /**
     * Build URL.
     *
     * @param string $url        URL.
     * @param array  $parameters Query string parameters.
     *
     * @return string
     */
    protected function buildUrlQuery($url, $parameters = [])
    {
        if (!empty($parameters)) {
            $url .= '?' . \http_build_query($parameters);
        }

        return $url;
    }

    /**
     * Authenticate.
     *
     * @param string $url        Request URL.
     * @param string $method     Request method.
     * @param array  $parameters Request parameters.
     *
     * @return array
     */
    protected function authenticate($url, $method, $parameters = [])
    {
        // Setup authentication.
        if ($this->isSsl()) {
            $basicAuth  = new BasicAuth($this->ch, $this->consumerKey, $this->consumerSecret, $this->options->isQueryStringAuth(), $parameters);
            $parameters = $basicAuth->getParameters();
        } else {
            $oAuth      = new OAuth($url, $this->consumerKey, $this->consumerSecret, $this->options->getVersion(), $method, $parameters, $this->options->oauthTimestamp());
            $parameters = $oAuth->getParameters();
        }

        return $parameters;
    }

    /**
     * Setup method.
     *
     * @param string $method Request method.
     */
    protected function setupMethod($method)
    {
        if ('POST' == $method) {
            \curl_setopt($this->ch, CURLOPT_POST, true);
        } else if (\in_array($method, ['PUT', 'DELETE', 'OPTIONS'])) {
            \curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, $method);
        }
    }

    /**
     * Get request headers.
     *
     * @return array
     */
    protected function getRequestHeaders()
    {
        return [
            'Accept'       => 'application/json',
            'Content-Type' => 'application/json',
            'User-Agent'   => 'WooCommerce API Client-PHP/' . Client::VERSION,
        ];
    }

    /**
     * Create request.
     *
     * @param string $endpoint   Request endpoint.
     * @param string $method     Request method.
     * @param array  $data       Request data.
     * @param array  $parameters Request parameters.
     *
     * @return Request
     */
    protected function createRequest($endpoint, $method, $data = [], $parameters = [])
    {
        $body = '';
        $url  = $this->url . $endpoint;

        // Setup authentication.
        $parameters = $this->authenticate($url, $method, $parameters);

        // Setup method.
        $this->setupMethod($method);

        // Include post fields.
        if (!empty($data)) {
            $body = \json_encode($data);
            \curl_setopt($this->ch, CURLOPT_POSTFIELDS, $body);
        }

        $this->request = new Request($this->buildUrlQuery($url, $parameters), $method, $parameters, $this->getRequestHeaders(), $body);

        return $this->getRequest();
    }

    /**
     * Get response headers.
     *
     * @return array
     */
    protected function getResponseHeaders()
    {
        $headers = [];
        $lines   = \explode("\n", $this->responseHeaders);
        $lines   = \array_filter($lines, 'trim');

        foreach ($lines as $index => $line) {
            // Remove HTTP/xxx params.
            if (strpos($line, ': ') === false) {
                continue;
            }

            list($key, $value) = \explode(': ', $line);

            $headers[$key] = isset($headers[$key]) ? $headers[$key] .= ', ' . trim($value) : trim($value);
        }

        return $headers;
    }

    /**
     * Create response.
     *
     * @return Response
     */
    protected function createResponse()
    {

        // Set response headers.
        $this->responseHeaders = '';
        \curl_setopt($this->ch, CURLOPT_HEADERFUNCTION, function ($_, $headers) {
            $this->responseHeaders .= $headers;
            return \strlen($headers);
        });

        // Get response data.
        $body    = \curl_exec($this->ch);
        $code    = \curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
        $headers = $this->getResponseHeaders();

        // Register response.
        $this->response = new Response($code, $headers, $body);

        return $this->getResponse();
    }

    /**
     * Set default cURL settings.
     */
    protected function setDefaultCurlSettings()
    {
        $verifySsl = $this->options->verifySsl();
        $timeout   = $this->options->getTimeout();

        \curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, $verifySsl);
        if (!$verifySsl) {
            \curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, $verifySsl);
        }
        \curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        \curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
        \curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
        \curl_setopt($this->ch, CURLOPT_HTTPHEADER, $this->request->getRawHeaders());
        \curl_setopt($this->ch, CURLOPT_URL, $this->request->getUrl());
    }

    /**
     * Look for errors in the request.
     *
     * @param array $parsedResponse Parsed body response.
     */
    protected function lookForErrors($parsedResponse)
    {
        // Any non-200/201/202 response code indicates an error.
        if (!\in_array($this->response->getCode(), ['200', '201', '202'])) {
            $errors = !empty($parsedResponse['errors']) ? $parsedResponse['errors'] : $parsedResponse;

            if (!empty($errors[0])) {
                $errorMessage = $errors[0]['message'];
                $errorCode    = $errors[0]['code'];
            } else {
                $errorMessage = $errors['message'];
                $errorCode    = $errors['code'];
            }

            throw new HttpClientException(\sprintf('Error: %s [%s]', $errorMessage, $errorCode), $this->response->getCode(), $this->request, $this->response);
        }
    }

    /**
     * Process response.
     *
     * @return array
     */
    protected function processResponse()
    {
        $parsedResponse = \json_decode($this->response->getBody(), true);

        // Test if return a valid JSON.
        if (JSON_ERROR_NONE !== json_last_error()) {
            $message = function_exists('json_last_error_msg') ? json_last_error_msg() : 'Invalid JSON returned';
            throw new HttpClientException($message, $this->response->getCode(), $this->request, $this->response);
        }

        $this->lookForErrors($parsedResponse);

        return $parsedResponse;
    }

    /**
     * Make requests.
     *
     * @param string $endpoint   Request endpoint.
     * @param string $method     Request method.
     * @param array  $data       Request data.
     * @param array  $parameters Request parameters.
     *
     * @return array
     */
    public function request($endpoint, $method, $data = [], $parameters = [])
    {
        // Initialize cURL.
        $this->ch = \curl_init();

        // Set request args.
        $request = $this->createRequest($endpoint, $method, $data, $parameters);

        // Default cURL settings.
        $this->setDefaultCurlSettings();

        // Get response.
        $response = $this->createResponse();

        // Check for cURL errors.
        if (\curl_errno($this->ch)) {
            throw new HttpClientException('cURL Error: ' . \curl_error($this->ch), 0, $request, $response);
        }

        \curl_close($this->ch);

        return $this->processResponse();
    }

    /**
     * Get request data.
     *
     * @return Request
     */
    public function getRequest()
    {
        return $this->request;
    }

    /**
     * Get response data.
     *
     * @return Response
     */
    public function getResponse()
    {
        return $this->response;
    }
}


1			<?php
2			/**
3			* WooCommerce REST API HTTP Client
4			*
5			* @category HttpClient
6			* @package Automattic/WooCommerce
7			*/
8
9			namespace Automattic\WooCommerce\HttpClient;
10
11			use Automattic\WooCommerce\Client;
12			use Automattic\WooCommerce\HttpClient\BasicAuth;
13			use Automattic\WooCommerce\HttpClient\HttpClientException;
14			use Automattic\WooCommerce\HttpClient\OAuth;
15			use Automattic\WooCommerce\HttpClient\Options;
16			use Automattic\WooCommerce\HttpClient\Request;
17			use Automattic\WooCommerce\HttpClient\Response;
18
19			/**
20			* REST API HTTP Client class.
21			*
22			* @package Automattic/WooCommerce
23			*/
24			class HttpClient
25			{
26
27			/**
28			* cURL handle.
29			*
30			* @var resource
31			*/
32			protected $ch;
33
34			/**
35			* Store API URL.
36			*
37			* @var string
38			*/
39			protected $url;
40
41			/**
42			* Consumer key.
43			*
44			* @var string
45			*/
46			protected $consumerKey;
47
48			/**
49			* Consumer secret.
50			*
51			* @var string
52			*/
53			protected $consumerSecret;
54
55			/**
56			* Client options.
57			*
58			* @var Options
59			*/
60			protected $options;
61
62			/**
63			* Request.
64			*
65			* @var Request
66			*/
67			private $request;
68
69			/**
70			* Response.
71			*
72			* @var Response
73			*/
74			private $response;
75
76			/**
77			* Response headers.
78			*
79			* @var string
80			*/
81			private $responseHeaders;
82
83			/**
84			* Initialize HTTP client.
85			*
86			* @param string $url Store URL.
87			* @param string $consumerKey Consumer key.
88			* @param string $consumerSecret Consumer Secret.
89			* @param array $options Client options.
90			*/
91			public function __construct($url, $consumerKey, $consumerSecret, $options)
92			{
93			if (!\function_exists('curl_version')) {
94			throw new HttpClientException('cURL is NOT installed on this server', -1, new Request(), new Response());
95			}
96
97			$this->options = new Options($options);
98			$this->url = $this->buildApiUrl($url);
99			$this->consumerKey = $consumerKey;
100			$this->consumerSecret = $consumerSecret;
101			}
102
103			/**
104			* Check if is under SSL.
105			*
106			* @return bool
107			*/
108			protected function isSsl()
109			{
110			return 'https://' === \substr($this->url, 0, 8);
111			}
112
113			/**
114			* Build API URL.
115			*
116			* @param string $url Store URL.
117			*
118			* @return string
119			*/
120			protected function buildApiUrl($url)
121			{
122			$api = $this->options->isWPAPI() ? $this->options->apiPrefix() : '/wc-api/';
123
124			return \rtrim($url, '/') . $api . $this->options->getVersion() . '/';
125			}
126
127			/**
128			* Build URL.
129			*
130			* @param string $url URL.
131			* @param array $parameters Query string parameters.
132			*
133			* @return string
134			*/
135			protected function buildUrlQuery($url, $parameters = [])
136			{
137			if (!empty($parameters)) {
138			$url .= '?' . \http_build_query($parameters);
139			}
140
141			return $url;
142			}
143
144			/**
145			* Authenticate.
146			*
147			* @param string $url Request URL.
148			* @param string $method Request method.
149			* @param array $parameters Request parameters.
150			*
151			* @return array
152			*/
153			protected function authenticate($url, $method, $parameters = [])
154			{
155			// Setup authentication.
156			if ($this->isSsl()) {
157			$basicAuth = new BasicAuth($this->ch, $this->consumerKey, $this->consumerSecret, $this->options->isQueryStringAuth(), $parameters);
158			$parameters = $basicAuth->getParameters();
159			} else {
160			$oAuth = new OAuth($url, $this->consumerKey, $this->consumerSecret, $this->options->getVersion(), $method, $parameters, $this->options->oauthTimestamp());
161			$parameters = $oAuth->getParameters();
162			}
163
164			return $parameters;
165			}
166
167			/**
168			* Setup method.
169			*
170			* @param string $method Request method.
171			*/
172			protected function setupMethod($method)
173			{
174			if ('POST' == $method) {
175			\curl_setopt($this->ch, CURLOPT_POST, true);
176			} else if (\in_array($method, ['PUT', 'DELETE', 'OPTIONS'])) {
177			\curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, $method);
178			}
179			}
180
181			/**
182			* Get request headers.
183			*
184			* @return array
185			*/
186			protected function getRequestHeaders()
187			{
188			return [
189			'Accept' => 'application/json',
190			'Content-Type' => 'application/json',
191			'User-Agent' => 'WooCommerce API Client-PHP/' . Client::VERSION,
192			];
193			}
194
195			/**
196			* Create request.
197			*
198			* @param string $endpoint Request endpoint.
199			* @param string $method Request method.
200			* @param array $data Request data.
201			* @param array $parameters Request parameters.
202			*
203			* @return Request
204			*/
205			protected function createRequest($endpoint, $method, $data = [], $parameters = [])
206			{
207			$body = '';
208			$url = $this->url . $endpoint;
209
210			// Setup authentication.
211			$parameters = $this->authenticate($url, $method, $parameters);
212
213			// Setup method.
214			$this->setupMethod($method);
215
216			// Include post fields.
217			if (!empty($data)) {
218			$body = \json_encode($data);
219			\curl_setopt($this->ch, CURLOPT_POSTFIELDS, $body);
220			}
221
222			$this->request = new Request($this->buildUrlQuery($url, $parameters), $method, $parameters, $this->getRequestHeaders(), $body);
223
224			return $this->getRequest();
225			}
226
227			/**
228			* Get response headers.
229			*
230			* @return array
231			*/
232			protected function getResponseHeaders()
233			{
234			$headers = [];
235			$lines = \explode("\n", $this->responseHeaders);
236			$lines = \array_filter($lines, 'trim');
237
238			foreach ($lines as $index => $line) {
239			// Remove HTTP/xxx params.
240			if (strpos($line, ': ') === false) {
241			continue;
242			}
243
244			list($key, $value) = \explode(': ', $line);
245
246			$headers[$key] = isset($headers[$key]) ? $headers[$key] .= ', ' . trim($value) : trim($value);
247			}
248
249			return $headers;
250			}
251
252			/**
253			* Create response.
254			*
255			* @return Response
256			*/
257			protected function createResponse()
258			{
259
260			// Set response headers.
261			$this->responseHeaders = '';
262			\curl_setopt($this->ch, CURLOPT_HEADERFUNCTION, function ($_, $headers) {
263			$this->responseHeaders .= $headers;
264			return \strlen($headers);
265			});
266
267			// Get response data.
268			$body = \curl_exec($this->ch);
269			$code = \curl_getinfo($this->ch, CURLINFO_HTTP_CODE);
270			$headers = $this->getResponseHeaders();
271
272			// Register response.
273			$this->response = new Response($code, $headers, $body);
274
275			return $this->getResponse();
276			}
277
278			/**
279			* Set default cURL settings.
280			*/
281			protected function setDefaultCurlSettings()
282			{
283			$verifySsl = $this->options->verifySsl();
284			$timeout = $this->options->getTimeout();
285
286			\curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, $verifySsl);
287			if (!$verifySsl) {
288			\curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, $verifySsl);
289			}
290			\curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, $timeout);
291			\curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);
292			\curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
293			\curl_setopt($this->ch, CURLOPT_HTTPHEADER, $this->request->getRawHeaders());
294			\curl_setopt($this->ch, CURLOPT_URL, $this->request->getUrl());
295			}
296
297			/**
298			* Look for errors in the request.
299			*
300			* @param array $parsedResponse Parsed body response.
301			*/
302			protected function lookForErrors($parsedResponse)
303			{
304			// Any non-200/201/202 response code indicates an error.
305			if (!\in_array($this->response->getCode(), ['200', '201', '202'])) {
306			$errors = !empty($parsedResponse['errors']) ? $parsedResponse['errors'] : $parsedResponse;
307
308			if (!empty($errors[0])) {
309			$errorMessage = $errors[0]['message'];
310			$errorCode = $errors[0]['code'];
311			} else {
312			$errorMessage = $errors['message'];
313			$errorCode = $errors['code'];
314			}
315
316			throw new HttpClientException(\sprintf('Error: %s [%s]', $errorMessage, $errorCode), $this->response->getCode(), $this->request, $this->response);
317			}
318			}
319
320			/**
321			* Process response.
322			*
323			* @return array
324			*/
325			protected function processResponse()
326			{
327			$parsedResponse = \json_decode($this->response->getBody(), true);
328
329			// Test if return a valid JSON.
330			if (JSON_ERROR_NONE !== json_last_error()) {
331			$message = function_exists('json_last_error_msg') ? json_last_error_msg() : 'Invalid JSON returned';
332			throw new HttpClientException($message, $this->response->getCode(), $this->request, $this->response);
333			}
334
335			$this->lookForErrors($parsedResponse);
336
337			return $parsedResponse;
338			}
339
340			/**
341			* Make requests.
342			*
343			* @param string $endpoint Request endpoint.
344			* @param string $method Request method.
345			* @param array $data Request data.
346			* @param array $parameters Request parameters.
347			*
348			* @return array
349			*/
350			public function request($endpoint, $method, $data = [], $parameters = [])
351			{
352			// Initialize cURL.
353			$this->ch = \curl_init();
354
355			// Set request args.
356			$request = $this->createRequest($endpoint, $method, $data, $parameters);
357
358			// Default cURL settings.
359			$this->setDefaultCurlSettings();
360
361			// Get response.
362			$response = $this->createResponse();
363
364			// Check for cURL errors.
365			if (\curl_errno($this->ch)) {
366			throw new HttpClientException('cURL Error: ' . \curl_error($this->ch), 0, $request, $response);
367			}
368
369			\curl_close($this->ch);
370
371			return $this->processResponse();
372			}
373
374			/**
375			* Get request data.
376			*
377			* @return Request
378			*/
379			public function getRequest()
380			{
381			return $this->request;
382			}
383
384			/**
385			* Get response data.
386			*
387			* @return Response
388			*/
389			public function getResponse()
390			{
391			return $this->response;
392			}
393			}
394

woocommerce / wc-api-php

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HttpClient::getResponseHeaders() A

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