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<?php |
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namespace garethp\ews\HttpPlayback; |
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use GuzzleHttp\HandlerStack; |
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use GuzzleHttp\Middleware; |
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use GuzzleHttp\Handler\MockHandler; |
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use GuzzleHttp\Psr7\Request; |
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use GuzzleHttp\Psr7\Response; |
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use GuzzleHttp\Client; |
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class HttpPlayback |
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{ |
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protected $mode = 'live'; |
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protected $callList = []; |
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protected $recordLocation; |
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protected $recordFileName = 'saveState.json'; |
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private $shutdownRegistered = false; |
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private static $instances = []; |
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/** |
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* @var Client |
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*/ |
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private $client; |
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public static function getInstance($options = []) |
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{ |
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foreach (self::$instances as $instance) { |
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if ($instance['options'] == $options) { |
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return $instance['instance']; |
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} |
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} |
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$instance = new static(); |
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$instance->setPlaybackOptions($options); |
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self::$instances[] = [ |
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'instance' => $instance, |
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'options' => $options |
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]; |
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return $instance; |
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} |
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public function setPlaybackOptions($options = []) |
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{ |
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$options = array_replace_recursive( |
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['mode' => null, 'recordLocation' => null, 'recordFileName' => null], |
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$options |
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); |
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if ($options['mode'] !== null) { |
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$this->mode = $options['mode']; |
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} |
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if ($options['recordLocation'] !== null) { |
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$this->recordLocation = $options['recordLocation']; |
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} |
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if ($options['recordFileName'] !== null) { |
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$this->recordFileName = $options['recordFileName']; |
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} |
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} |
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/** |
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* Get the client for making calls |
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* |
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* @return Client |
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*/ |
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public function getHttpClient() |
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{ |
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if ($this->client !== null) { |
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return $this->client; |
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} |
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$handler = HandlerStack::create(); |
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if ($this->mode == 'record') { |
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$history = Middleware::history($this->callList); |
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$handler->push($history); |
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} elseif ($this->mode == 'playback') { |
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$recordings = $this->getRecordings(); |
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$mockHandler = new MockHandler($this->buildMockedResponses($recordings)); |
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$handler = HandlerStack::create($mockHandler); |
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} |
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$this->client = new Client(['handler' => $handler]); |
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if (!$this->shutdownRegistered) { |
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register_shutdown_function(array($this, 'endRecord')); |
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$this->shutdownRegistered = true; |
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} |
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return $this->client; |
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} |
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protected function buildMockedResponses($items) |
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{ |
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$mockedResponses = []; |
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foreach ($items as $item) { |
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if (!$item['error']) { |
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$mockedResponses[] = new Response($item['statusCode'], $item['headers'], $item['body']); |
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} else { |
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$errorClass = $item['errorClass']; |
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$request = new Request( |
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$item['request']['method'], |
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$item['request']['uri'], |
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$item['request']['headers'], |
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$item['request']['body'] |
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); |
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$mockedResponses[] = new $errorClass($item['errorMessage'], $request); |
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} |
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} |
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return $mockedResponses; |
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} |
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/** |
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* Sets the client |
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* |
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* @param Client $client |
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* @return $this |
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*/ |
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public function setHttpClient($client) |
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{ |
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$this->client = $client; |
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return $this; |
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} |
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public function getRecordLocation() |
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{ |
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if (!$this->recordLocation) { |
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$dir = __DIR__; |
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$dirPos = strrpos($dir, "src/API"); |
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$dir = substr($dir, 0, $dirPos); |
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$this->recordLocation = $dir.'Resources/recordings/'; |
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} |
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return $this->recordLocation; |
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} |
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public function getRecordFilePath() |
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{ |
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$path = $this->getRecordLocation().$this->recordFileName; |
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$path = str_replace("\\", "/", $path); |
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return $path; |
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} |
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public function getRecordings() |
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{ |
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$saveLocation = $this->getRecordFilePath(); |
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$records = json_decode(file_get_contents($saveLocation), true); |
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return $records; |
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} |
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public function endRecord() |
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{ |
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if ($this->mode != 'record') { |
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return; |
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} |
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$saveList = []; |
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foreach ($this->callList as $item) { |
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/** @var Response $response */ |
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$response = $item['response']; |
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if (!isset($item['error'])) { |
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$save = [ |
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'error' => false, |
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'statusCode' => $response->getStatusCode(), |
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'headers' => $response->getHeaders(), |
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'body' => $response->getBody()->__toString() |
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]; |
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} else { |
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$save = [ |
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'error' => true, |
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'errorClass' => get_class($item['error']), |
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'errorMessage' => $item['error']->getMessage(), |
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'request' => [ |
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'method' => $item['request']->getMethod(), |
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'uri' => $item['request']->getUri()->__toString(), |
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'headers' => $item['request']->getHeaders(), |
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'body' => $item['request']->getBody()->__toString() |
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] |
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]; |
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} |
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$saveList[] = $save; |
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} |
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$saveLocation = $this->getRecordFilePath(); |
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$folder = pathinfo($saveLocation)['dirname']; |
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if (!is_dir($folder)) { |
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mkdir($folder, 0777, true); |
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} |
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file_put_contents($saveLocation, json_encode($saveList)); |
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} |
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} |
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Garethp /
php-ews
