ClientFactory::__construct() - Code Metrics - Inspection of "feat(ApiClient): oauth handler maps authentication..." - commercetools/commercetools-php-sdk - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — develop ( 39b4d5...7a2e88 )

by Jens

created 2020-02-17 14:55 UTC

ClientFactory::__construct() A

↳ Parent: ClientFactory

Complexity

Conditions	2
Paths	2

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	2.1481

Importance

Changes

Metric	Value
eloc	2
dl	0
loc	4
ccs	2
cts	3
cp	0.6667
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	0
crap	2.1481

<?php

namespace Commercetools\Core\Client;

use Commercetools\Core\Cache\CacheAdapterFactory;
use Commercetools\Core\Client\OAuth\CacheTokenProvider;
use Commercetools\Core\Client\OAuth\ClientCredentials;
use Commercetools\Core\Client\OAuth\CredentialTokenProvider;
use Commercetools\Core\Client\OAuth\OAuth2Handler;
use Commercetools\Core\Client\OAuth\TokenProvider;
use Commercetools\Core\Config;
use Commercetools\Core\Error\ApiException;
use Commercetools\Core\Error\DeprecatedException;
use Commercetools\Core\Error\InvalidTokenException;
use Commercetools\Core\Error\Message;
use Commercetools\Core\Helper\CorrelationIdProvider;
use Commercetools\Core\Error\InvalidArgumentException;
use Commercetools\Core\Model\Common\Context;
use Commercetools\Core\Model\Common\ContextAwareInterface;
use Commercetools\Core\Response\AbstractApiResponse;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\MessageFormatter;
use GuzzleHttp\Middleware;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\SimpleCache\CacheInterface;

class ClientFactory
{
    /**
     * @var bool
     */
    private static $isGuzzle6;

    /**
     * ClientFactory constructor.
     * @throws DeprecatedException
     */
    public function __construct()
    {
        if (!self::isGuzzle6()) {
            throw new DeprecatedException("ClientFactory doesn't support Guzzle version < 6");
        }
    }

    /**
     * @param string $clientClass
     * @param Config|array $config
     * @param LoggerInterface $logger
     * @param CacheItemPoolInterface|CacheInterface $cache
     * @param TokenProvider $provider
     * @param CacheAdapterFactory $cacheAdapterFactory
     * @param Context|null $context
     * @return Client
     */
    public function createCustomClient(
        $clientClass,
        $config,
        LoggerInterface $logger = null,
        $cache = null,
        TokenProvider $provider = null,
        CacheAdapterFactory $cacheAdapterFactory = null,
        Context $context = null
    ) {
        $config = $this->createConfig($config);

        if (is_null($context)) {
            $context = $config->getContext();
        }
        if (is_null($cacheAdapterFactory)) {
            $cacheDir = $config->getCacheDir();
            $cacheDir = !is_null($cacheDir) ? $cacheDir : realpath(__DIR__ . '/../../..');

            $cacheAdapterFactory = new CacheAdapterFactory($cacheDir);
        }

        $cache = $cacheAdapterFactory->get($cache);
        if (is_null($cache)) {
            throw new InvalidArgumentException(Message::INVALID_CACHE_ADAPTER);
        }

        $credentials = $config->getClientCredentials();
        $oauthHandler = $this->getHandler(
            $credentials,
            $config->getOauthUrl(),
            $cache,
            $provider,
            $config->getOAuthClientOptions(),
            $config->getCorrelationIdProvider()
        );

        $options = $this->getDefaultOptions($config);

        $client = $this->createGuzzle6Client(
            $clientClass,
            $options,
            $oauthHandler,
            $logger,
            $config->getCorrelationIdProvider()
        );

        if ($client instanceof ContextAwareInterface) {
            $client->setContext($context);
        }
        return $client;
    }

    /**
     * @param Config|array $config
     * @param LoggerInterface $logger
     * @param CacheItemPoolInterface|CacheInterface $cache
     * @param TokenProvider $provider
     * @param CacheAdapterFactory $cacheAdapterFactory
     * @param Context|null $context
     * @return ApiClient
     */
    public function createClient(
        $config,
        LoggerInterface $logger = null,
        $cache = null,
        TokenProvider $provider = null,
        CacheAdapterFactory $cacheAdapterFactory = null,
        Context $context = null
    ) {
        return $this->createCustomClient(
            ApiClient::class,
            $config,
            $logger,
            $cache,
            $provider,
            $cacheAdapterFactory,
            $context
        );
    }

    public function createAuthClient(
        array $options = [],
        CorrelationIdProvider $correlationIdProvider = null
    ) {
        if (isset($options['handler']) && $options['handler'] instanceof HandlerStack) {
            $handler = $options['handler'];
        } else {
            $handler = HandlerStack::create();
            $options['handler'] = $handler;
        }

        $handler->remove("http_errors");
        $handler->unshift(self::httpErrors(), 'ctp_http_errors');

        $this->setCorrelationIdMiddleware($handler, $correlationIdProvider);

        $options = $this->addMiddlewares($handler, $options);

        return new Client($options);
    }

    private function getDefaultOptions(Config $config)
    {
        $options = $config->getClientOptions();
        $options['http_errors'] = $config->getThrowExceptions();
        $options['base_uri'] = $config->getApiUrl() . "/" . $config->getProject() . "/";
        $defaultHeaders = [
            'User-Agent' => (new UserAgentProvider())->getUserAgent()
        ];
        if (!is_null($config->getAcceptEncoding())) {

            $defaultHeaders['Accept-Encoding'] = $config->getAcceptEncoding();
        }
        $options['headers'] = array_merge($defaultHeaders, (isset($options['headers']) ? $options['headers'] : []));

        return $options;
    }

    /**
     * @param Config|array $config
     * @return Config
     * @throws InvalidArgumentException
     */
    private function createConfig($config)
    {
        if ($config instanceof Config) {
            return $config;
        }
        if (is_array($config)) {

            return Config::fromArray($config);
        }
        throw new InvalidArgumentException();
    }

    /**
     * @param string $clientClass
     * @param array $options
     * @param OAuth2Handler $oauthHandler
     * @param LoggerInterface|null $logger
     * @param CorrelationIdProvider|null $correlationIdProvider
     * @return Client
     */
    private function createGuzzle6Client(
        $clientClass,
        array $options,
        OAuth2Handler $oauthHandler,
        LoggerInterface $logger = null,
        CorrelationIdProvider $correlationIdProvider = null
    ) {
        if (isset($options['handler']) && $options['handler'] instanceof HandlerStack) {
            $handler = $options['handler'];
        } else {
            $handler = HandlerStack::create();
            $options['handler'] = $handler;
        }

        $options = array_merge(
            [
                'allow_redirects' => false,
                'verify' => true,
                'timeout' => 60,
                'connect_timeout' => 10,
                'pool_size' => 25,
            ],
            $options
        );

        if (!is_null($logger)) {
            $this->setLogger($handler, $logger);
        }

        $handler->remove("http_errors");
        $handler->unshift(self::httpErrors(), 'ctp_http_errors');

        $handler->push(
            Middleware::mapRequest($oauthHandler),
            'oauth_2_0'
        );
        if ($oauthHandler->refreshable()) {
            $handler->push(
                self::reauthenticate($oauthHandler),
                'reauthenticate'
            );
        }

        $this->setCorrelationIdMiddleware($handler, $correlationIdProvider);
        $options = $this->addMiddlewares($handler, $options);

        $client = new $clientClass($options);

        return $client;
    }

    private function setLogger(
        HandlerStack $handler,
        LoggerInterface $logger,
        $logLevel = LogLevel::INFO,
        $formatter = null
    ) {
        if (is_null($formatter)) {
            $formatter = new MessageFormatter();
        }
        $handler->push(self::log($logger, $formatter, $logLevel), 'ctp_logger');
    }

    /**
     * @param CorrelationIdProvider $correlationIdProvider
     * @param HandlerStack $handler
     */
    private function setCorrelationIdMiddleware(
        HandlerStack $handler,
        CorrelationIdProvider $correlationIdProvider = null
    ) {
        if (!is_null($correlationIdProvider)) {
            $handler->push(Middleware::mapRequest(function (RequestInterface $request) use ($correlationIdProvider) {
                return $request->withAddedHeader(
                    AbstractApiResponse::X_CORRELATION_ID,
                    $correlationIdProvider->getCorrelationId()
                );
            }), 'ctp_correlation_id');
        }
    }

    /**
     * @param HandlerStack $handler
     * @param array $options
     * @return array
     */
    private function addMiddlewares(HandlerStack $handler, array $options)
    {
        if (isset($options['middlewares']) && is_array($options['middlewares'])) {
            foreach ($options['middlewares'] as $key => $middleware) {
                if (is_callable($middleware)) {
                    if (!is_numeric($key)) {
                        $handler->remove($key);
                        $handler->push($middleware, $key);
                    } else {
                        $handler->push($middleware);
                    }
                }
            }
        }
        return $options;
    }

    /**
     * Middleware that reauthenticates on invalid token error
     *
     * @param OAuth2Handler $oauthHandler
     * @param int $maxRetries
     * @return callable Returns a function that accepts the next handler.
     */
    public static function reauthenticate(OAuth2Handler $oauthHandler, $maxRetries = 1)
    {
        return function (callable $handler) use ($oauthHandler, $maxRetries) {
            return function (RequestInterface $request, array $options) use ($handler, $oauthHandler, $maxRetries) {
                return $handler($request, $options)->then(
                    function (ResponseInterface $response) use (
                        $request,
                        $handler,
                        $oauthHandler,
                        $options,
                        $maxRetries
                    ) {
                        if ($response->getStatusCode() == 401) {
                            if (!isset($options['reauth'])) {
                                $options['reauth'] = 0;
                            }
                            $exception = ApiException::create($request, $response);
                            if ($options['reauth'] < $maxRetries && $exception instanceof InvalidTokenException) {
                                $options['reauth']++;
                                $token = $oauthHandler->refreshToken();
                                $request = $request->withHeader(
                                    'Authorization',
                                    'Bearer ' . $token->getToken()
                                );
                                return $handler($request, $options);
                            }
                        }
                        return $response;
                    }
                );
            };
        };
    }

    /**
     * Middleware that throws exceptions for 4xx or 5xx responses when the
     * "http_error" request option is set to true.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function httpErrors()
    {
        return function (callable $handler) {
            return function ($request, array $options) use ($handler) {
                if (empty($options['http_errors'])) {
                    return $handler($request, $options);
                }
                return $handler($request, $options)->then(
                    function (ResponseInterface $response) use ($request, $handler) {

                        $code = $response->getStatusCode();
                        if ($code < 400) {
                            return $response;
                        }
                        throw ApiException::create($request, $response);
                    }
                );
            };
        };
    }

    /**
     * @param ClientCredentials $credentials
     * @param string $accessTokenUrl
     * @param CacheItemPoolInterface|CacheInterface $cache
     * @param TokenProvider $provider
     * @param array $authClientOptions
     * @param CorrelationIdProvider|null $correlationIdProvider
     * @return OAuth2Handler
     */
    private function getHandler(
        ClientCredentials $credentials,
        $accessTokenUrl,
        $cache,
        TokenProvider $provider = null,
        array $authClientOptions = [],
        CorrelationIdProvider $correlationIdProvider = null
    ) {
        if (is_null($provider)) {
            $provider = new CredentialTokenProvider(
                $this->createAuthClient($authClientOptions, $correlationIdProvider),
                $accessTokenUrl,
                $credentials
            );
            $cacheKey = sha1($credentials->getClientId() . $credentials->getScope());
            $provider = new CacheTokenProvider($provider, $cache, $cacheKey);
        }
        return new OAuth2Handler($provider);
    }

    /**
     * Middleware that logs requests, responses, and errors using a message
     * formatter.
     *
     * @param LoggerInterface  $logger Logs messages.
     * @param MessageFormatter $formatter Formatter used to create message strings.
     * @param string           $logLevel Level at which to log requests.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    private static function log(LoggerInterface $logger, MessageFormatter $formatter, $logLevel = LogLevel::INFO)
    {
        return function (callable $handler) use ($logger, $formatter, $logLevel) {
            return function ($request, array $options) use ($handler, $logger, $formatter, $logLevel) {
                return $handler($request, $options)->then(
                    function (ResponseInterface $response) use ($logger, $request, $formatter, $logLevel) {
                        $message = $formatter->format($request, $response);
                        $context = [
                            AbstractApiResponse::X_CORRELATION_ID => $response->getHeader(
                                AbstractApiResponse::X_CORRELATION_ID
                            )
                        ];
                        $logger->log($logLevel, $message, $context);
                        return $response;
                    },
                    function ($reason) use ($logger, $request, $formatter) {
                        $response = null;
                        $context = [];
                        if ($reason instanceof RequestException) {
                            $response = $reason->getResponse();
                            if (!is_null($response)) {
                                $context[AbstractApiResponse::X_CORRELATION_ID] = $response->getHeader(
                                    AbstractApiResponse::X_CORRELATION_ID
                                );
                            }
                        }
                        $message = $formatter->format($request, $response, $reason);
                        $logger->notice($message, $context);
                        return \GuzzleHttp\Promise\rejection_for($reason);
                    }
                );
            };
        };
    }

    /**
     * @return bool
     */
    private static function isGuzzle6()
    {
        if (is_null(self::$isGuzzle6)) {

            if (version_compare(Client::VERSION, '6.0.0', '>=')) {
                self::$isGuzzle6 = true;
            } else {
                self::$isGuzzle6 = false;
            }
        }
        return self::$isGuzzle6;
    }

    /**
     * @return ClientFactory
     */
    public static function of()
    {
        return new static();
    }
}


1		<?php
2
3		namespace Commercetools\Core\Client;
4
5		use Commercetools\Core\Cache\CacheAdapterFactory;
6		use Commercetools\Core\Client\OAuth\CacheTokenProvider;
7		use Commercetools\Core\Client\OAuth\ClientCredentials;
8		use Commercetools\Core\Client\OAuth\CredentialTokenProvider;
9		use Commercetools\Core\Client\OAuth\OAuth2Handler;
10		use Commercetools\Core\Client\OAuth\TokenProvider;
11		use Commercetools\Core\Config;
12		use Commercetools\Core\Error\ApiException;
13		use Commercetools\Core\Error\DeprecatedException;
14		use Commercetools\Core\Error\InvalidTokenException;
15		use Commercetools\Core\Error\Message;
16		use Commercetools\Core\Helper\CorrelationIdProvider;
17		use Commercetools\Core\Error\InvalidArgumentException;
18		use Commercetools\Core\Model\Common\Context;
19		use Commercetools\Core\Model\Common\ContextAwareInterface;
20		use Commercetools\Core\Response\AbstractApiResponse;
21		use GuzzleHttp\Client;
22		use GuzzleHttp\Exception\RequestException;
23		use GuzzleHttp\HandlerStack;
24		use GuzzleHttp\MessageFormatter;
25		use GuzzleHttp\Middleware;
26		use Psr\Cache\CacheItemPoolInterface;
27		use Psr\Http\Message\RequestInterface;
28		use Psr\Http\Message\ResponseInterface;
29		use Psr\Log\LoggerInterface;
30		use Psr\Log\LogLevel;
31		use Psr\SimpleCache\CacheInterface;
32
33		class ClientFactory
34		{
35		/**
36		* @var bool
37		*/
38		private static $isGuzzle6;
39
40		/**
41		* ClientFactory constructor.
42		* @throws DeprecatedException
43		*/
44	22	public function __construct()
45		{
46	22	if (!self::isGuzzle6()) {
47		throw new DeprecatedException("ClientFactory doesn't support Guzzle version < 6");
48		}
49	22	}
50
51		/**
52		* @param string $clientClass
53		* @param Config\|array $config
54		* @param LoggerInterface $logger
55		* @param CacheItemPoolInterface\|CacheInterface $cache
56		* @param TokenProvider $provider
57		* @param CacheAdapterFactory $cacheAdapterFactory
58		* @param Context\|null $context
59		* @return Client
60		*/
61	21	public function createCustomClient(
62		$clientClass,
63		$config,
64		LoggerInterface $logger = null,
65		$cache = null,
66		TokenProvider $provider = null,
67		CacheAdapterFactory $cacheAdapterFactory = null,
68		Context $context = null
69		) {
70	21	$config = $this->createConfig($config);
71
72	21	if (is_null($context)) {
73	21	$context = $config->getContext();
74		}
75	21	if (is_null($cacheAdapterFactory)) {
76	21	$cacheDir = $config->getCacheDir();
77	21	$cacheDir = !is_null($cacheDir) ? $cacheDir : realpath(__DIR__ . '/../../..');
		0 ignored issues – show introduced 2019-05-24 08:22 UTC by Report Bug Copy Issue Report The condition `is_null($cacheDir)` is always `false`. Loading history...
78	21	$cacheAdapterFactory = new CacheAdapterFactory($cacheDir);
79		}
80
81	21	$cache = $cacheAdapterFactory->get($cache);
82	21	if (is_null($cache)) {
83		throw new InvalidArgumentException(Message::INVALID_CACHE_ADAPTER);
84		}
85
86	21	$credentials = $config->getClientCredentials();
87	21	$oauthHandler = $this->getHandler(
88	21	$credentials,
89	21	$config->getOauthUrl(),
90		$cache,
91		$provider,
92	21	$config->getOAuthClientOptions(),
93	21	$config->getCorrelationIdProvider()
94		);
95
96	21	$options = $this->getDefaultOptions($config);
97
98	21	$client = $this->createGuzzle6Client(
99	21	$clientClass,
100		$options,
101		$oauthHandler,
102		$logger,
103	21	$config->getCorrelationIdProvider()
104		);
105
106	21	if ($client instanceof ContextAwareInterface) {
107	20	$client->setContext($context);
108		}
109	21	return $client;
110		}
111
112		/**
113		* @param Config\|array $config
114		* @param LoggerInterface $logger
115		* @param CacheItemPoolInterface\|CacheInterface $cache
116		* @param TokenProvider $provider
117		* @param CacheAdapterFactory $cacheAdapterFactory
118		* @param Context\|null $context
119		* @return ApiClient
120		*/
121	19	public function createClient(
122		$config,
123		LoggerInterface $logger = null,
124		$cache = null,
125		TokenProvider $provider = null,
126		CacheAdapterFactory $cacheAdapterFactory = null,
127		Context $context = null
128		) {
129	19	return $this->createCustomClient(
130	19	ApiClient::class,
131		$config,
132		$logger,
133		$cache,
134		$provider,
135		$cacheAdapterFactory,
136		$context
137		);
138		}
139
140	11	public function createAuthClient(
141		array $options = [],
142		CorrelationIdProvider $correlationIdProvider = null
143		) {
144	11	if (isset($options['handler']) && $options['handler'] instanceof HandlerStack) {
145		$handler = $options['handler'];
146		} else {
147	11	$handler = HandlerStack::create();
148	11	$options['handler'] = $handler;
149		}
150
151	11	$handler->remove("http_errors");
152	11	$handler->unshift(self::httpErrors(), 'ctp_http_errors');
153
154	11	$this->setCorrelationIdMiddleware($handler, $correlationIdProvider);
155
156	11	$options = $this->addMiddlewares($handler, $options);
157
158	11	return new Client($options);
159		}
160
161	21	private function getDefaultOptions(Config $config)
162		{
163	21	$options = $config->getClientOptions();
164	21	$options['http_errors'] = $config->getThrowExceptions();
165	21	$options['base_uri'] = $config->getApiUrl() . "/" . $config->getProject() . "/";
166		$defaultHeaders = [
167	21	'User-Agent' => (new UserAgentProvider())->getUserAgent()
168		];
169	21	if (!is_null($config->getAcceptEncoding())) {
		0 ignored issues – show introduced 2019-05-24 08:22 UTC by Report Bug Copy Issue Report The condition `is_null($config->getAcceptEncoding())` is always `false`. Loading history...
170	21	$defaultHeaders['Accept-Encoding'] = $config->getAcceptEncoding();
171		}
172	21	$options['headers'] = array_merge($defaultHeaders, (isset($options['headers']) ? $options['headers'] : []));
173
174	21	return $options;
175		}
176
177		/**
178		* @param Config\|array $config
179		* @return Config
180		* @throws InvalidArgumentException
181		*/
182	21	private function createConfig($config)
183		{
184	21	if ($config instanceof Config) {
185	21	return $config;
186		}
187		if (is_array($config)) {
		0 ignored issues – show introduced 2019-05-24 08:22 UTC by Report Bug Copy Issue Report The condition `is_array($config)` is always `true`. Loading history...
188		return Config::fromArray($config);
189		}
190		throw new InvalidArgumentException();
191		}
192
193		/**
194		* @param string $clientClass
195		* @param array $options
196		* @param OAuth2Handler $oauthHandler
197		* @param LoggerInterface\|null $logger
198		* @param CorrelationIdProvider\|null $correlationIdProvider
199		* @return Client
200		*/
201	21	private function createGuzzle6Client(
202		$clientClass,
203		array $options,
204		OAuth2Handler $oauthHandler,
205		LoggerInterface $logger = null,
206		CorrelationIdProvider $correlationIdProvider = null
207		) {
208	21	if (isset($options['handler']) && $options['handler'] instanceof HandlerStack) {
209		$handler = $options['handler'];
210		} else {
211	21	$handler = HandlerStack::create();
212	21	$options['handler'] = $handler;
213		}
214
215	21	$options = array_merge(
216		[
217	21	'allow_redirects' => false,
218		'verify' => true,
219		'timeout' => 60,
220		'connect_timeout' => 10,
221		'pool_size' => 25,
222		],
223		$options
224		);
225
226	21	if (!is_null($logger)) {
227	17	$this->setLogger($handler, $logger);
228		}
229
230	21	$handler->remove("http_errors");
231	21	$handler->unshift(self::httpErrors(), 'ctp_http_errors');
232
233	21	$handler->push(
234	21	Middleware::mapRequest($oauthHandler),
235	21	'oauth_2_0'
236		);
237	21	if ($oauthHandler->refreshable()) {
238	20	$handler->push(
239	20	self::reauthenticate($oauthHandler),
240	20	'reauthenticate'
241		);
242		}
243
244	21	$this->setCorrelationIdMiddleware($handler, $correlationIdProvider);
245	21	$options = $this->addMiddlewares($handler, $options);
246
247	21	$client = new $clientClass($options);
248
249	21	return $client;
250		}
251
252	17	private function setLogger(
253		HandlerStack $handler,
254		LoggerInterface $logger,
255		$logLevel = LogLevel::INFO,
256		$formatter = null
257		) {
258	17	if (is_null($formatter)) {
259	17	$formatter = new MessageFormatter();
260		}
261	17	$handler->push(self::log($logger, $formatter, $logLevel), 'ctp_logger');
262	17	}
263
264		/**
265		* @param CorrelationIdProvider $correlationIdProvider
266		* @param HandlerStack $handler
267		*/
268	359	private function setCorrelationIdMiddleware(
269		HandlerStack $handler,
270		CorrelationIdProvider $correlationIdProvider = null
271		) {
272	21	if (!is_null($correlationIdProvider)) {
273		$handler->push(Middleware::mapRequest(function (RequestInterface $request) use ($correlationIdProvider) {
274	359	return $request->withAddedHeader(
275	359	AbstractApiResponse::X_CORRELATION_ID,
276	359	$correlationIdProvider->getCorrelationId()
277		);
278	21	}), 'ctp_correlation_id');
279		}
280	21	}
281
282		/**
283		* @param HandlerStack $handler
284		* @param array $options
285		* @return array
286		*/
287	21	private function addMiddlewares(HandlerStack $handler, array $options)
288		{
289	21	if (isset($options['middlewares']) && is_array($options['middlewares'])) {
290	1	foreach ($options['middlewares'] as $key => $middleware) {
291	1	if (is_callable($middleware)) {
292	1	if (!is_numeric($key)) {
293	1	$handler->remove($key);
294	1	$handler->push($middleware, $key);
295		} else {
296		$handler->push($middleware);
297		}
298		}
299		}
300		}
301	21	return $options;
302		}
303
304		/**
305		* Middleware that reauthenticates on invalid token error
306		*
307		* @param OAuth2Handler $oauthHandler
308		* @param int $maxRetries
309		* @return callable Returns a function that accepts the next handler.
310		*/
311	357	public static function reauthenticate(OAuth2Handler $oauthHandler, $maxRetries = 1)
312		{
313		return function (callable $handler) use ($oauthHandler, $maxRetries) {
314		return function (RequestInterface $request, array $options) use ($handler, $oauthHandler, $maxRetries) {
315	357	return $handler($request, $options)->then(
316		function (ResponseInterface $response) use (
317	357	$request,
318	357	$handler,
319	357	$oauthHandler,
320	357	$options,
321	357	$maxRetries
322		) {
323	357	if ($response->getStatusCode() == 401) {
324	1	if (!isset($options['reauth'])) {
325	1	$options['reauth'] = 0;
326		}
327	1	$exception = ApiException::create($request, $response);
328	1	if ($options['reauth'] < $maxRetries && $exception instanceof InvalidTokenException) {
329	1	$options['reauth']++;
330	1	$token = $oauthHandler->refreshToken();
331	1	$request = $request->withHeader(
332	1	'Authorization',
333	1	'Bearer ' . $token->getToken()
334		);
335	1	return $handler($request, $options);
336		}
337		}
338	356	return $response;
339	357	}
340		);
341	18	};
342	20	};
343		}
344
345		/**
346		* Middleware that throws exceptions for 4xx or 5xx responses when the
347		* "http_error" request option is set to true.
348		*
349		* @return callable Returns a function that accepts the next handler.
350		*/
351	359	public static function httpErrors()
352		{
353		return function (callable $handler) {
354		return function ($request, array $options) use ($handler) {
355	359	if (empty($options['http_errors'])) {
356	16	return $handler($request, $options);
357		}
358	345	return $handler($request, $options)->then(
359		function (ResponseInterface $response) use ($request, $handler) {
		0 ignored issues – show Unused Code introduced 2019-05-24 08:22 UTC by Report Bug Copy Issue Report The import `$handler` is not used and could be removed. This check looks for imports that have been defined, but are not used in the scope. Loading history...
360	345	$code = $response->getStatusCode();
361	345	if ($code < 400) {
362	340	return $response;
363		}
364	26	throw ApiException::create($request, $response);
365	345	}
366		);
367	19	};
368	21	};
369		}
370
371		/**
372		* @param ClientCredentials $credentials
373		* @param string $accessTokenUrl
374		* @param CacheItemPoolInterface\|CacheInterface $cache
375		* @param TokenProvider $provider
376		* @param array $authClientOptions
377		* @param CorrelationIdProvider\|null $correlationIdProvider
378		* @return OAuth2Handler
379		*/
380	21	private function getHandler(
381		ClientCredentials $credentials,
382		$accessTokenUrl,
383		$cache,
384		TokenProvider $provider = null,
385		array $authClientOptions = [],
386		CorrelationIdProvider $correlationIdProvider = null
387		) {
388	21	if (is_null($provider)) {
389	11	$provider = new CredentialTokenProvider(
390	11	$this->createAuthClient($authClientOptions, $correlationIdProvider),
391		$accessTokenUrl,
392		$credentials
393		);
394	11	$cacheKey = sha1($credentials->getClientId() . $credentials->getScope());
395	11	$provider = new CacheTokenProvider($provider, $cache, $cacheKey);
396		}
397	21	return new OAuth2Handler($provider);
398		}
399
400		/**
401		* Middleware that logs requests, responses, and errors using a message
402		* formatter.
403		*
404		* @param LoggerInterface $logger Logs messages.
405		* @param MessageFormatter $formatter Formatter used to create message strings.
406		* @param string $logLevel Level at which to log requests.
407		*
408		* @return callable Returns a function that accepts the next handler.
409		*/
410	357	private static function log(LoggerInterface $logger, MessageFormatter $formatter, $logLevel = LogLevel::INFO)
411		{
412		return function (callable $handler) use ($logger, $formatter, $logLevel) {
413		return function ($request, array $options) use ($handler, $logger, $formatter, $logLevel) {
414	357	return $handler($request, $options)->then(
415		function (ResponseInterface $response) use ($logger, $request, $formatter, $logLevel) {
416	357	$message = $formatter->format($request, $response);
417		$context = [
418	357	AbstractApiResponse::X_CORRELATION_ID => $response->getHeader(
419	357	AbstractApiResponse::X_CORRELATION_ID
420		)
421		];
422	357	$logger->log($logLevel, $message, $context);
423	357	return $response;
424	357	},
425		function ($reason) use ($logger, $request, $formatter) {
426		$response = null;
427		$context = [];
428		if ($reason instanceof RequestException) {
429		$response = $reason->getResponse();
430		if (!is_null($response)) {
431		$context[AbstractApiResponse::X_CORRELATION_ID] = $response->getHeader(
432		AbstractApiResponse::X_CORRELATION_ID
433		);
434		}
435		}
436		$message = $formatter->format($request, $response, $reason);
437		$logger->notice($message, $context);
438		return \GuzzleHttp\Promise\rejection_for($reason);
439	357	}
440		);
441	17	};
442	17	};
443		}
444
445		/**
446		* @return bool
447		*/
448	22	private static function isGuzzle6()
449		{
450	22	if (is_null(self::$isGuzzle6)) {
		0 ignored issues – show introduced 2019-05-24 08:22 UTC by Report Bug Copy Issue Report The condition `is_null(self::isGuzzle6)` is always `false`. Loading history...
451	1	if (version_compare(Client::VERSION, '6.0.0', '>=')) {
452	1	self::$isGuzzle6 = true;
453		} else {
454		self::$isGuzzle6 = false;
455		}
456		}
457	22	return self::$isGuzzle6;
458		}
459
460		/**
461		* @return ClientFactory
462		*/
463	22	public static function of()
464		{
465	22	return new static();
466		}
467		}
468

commercetools / commercetools-php-sdk

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