1 <?php
  2 /**
  3  * API handler for OAuth Token Request REST API calls
  4  */
  5 
  6 namespace PayPal\Handler;
  7 
  8 use PayPal\Common\PayPalUserAgent;
  9 use PayPal\Core\PayPalConstants;
 10 use PayPal\Core\PayPalHttpConfig;
 11 use PayPal\Exception\PayPalConfigurationException;
 12 use PayPal\Exception\PayPalInvalidCredentialException;
 13 use PayPal\Exception\PayPalMissingCredentialException;
 14 
 15 /**
 16  * Class OauthHandler
 17  */
 18 class OauthHandler implements IPayPalHandler
 19 {
 20     /**
 21      * Private Variable
 22      *
 23      * @var \Paypal\Rest\ApiContext $apiContext
 24      */
 25     private $apiContext;
 26 
 27     /**
 28      * Construct
 29      *
 30      * @param \Paypal\Rest\ApiContext $apiContext
 31      */
 32     public function __construct($apiContext)
 33     {
 34         $this->apiContext = $apiContext;
 35     }
 36 
 37     /**
 38      * @param PayPalHttpConfig $httpConfig
 39      * @param string                    $request
 40      * @param mixed                     $options
 41      * @return mixed|void
 42      * @throws PayPalConfigurationException
 43      * @throws PayPalInvalidCredentialException
 44      * @throws PayPalMissingCredentialException
 45      */
 46     public function handle($httpConfig, $request, $options)
 47     {
 48         $config = $this->apiContext->getConfig();
 49 
 50         $httpConfig->setUrl(
 51             rtrim(trim($this->_getEndpoint($config)), '/') .
 52             (isset($options['path']) ? $options['path'] : '')
 53         );
 54 
 55         $headers = array(
 56             "User-Agent"    => PayPalUserAgent::getValue(PayPalConstants::SDK_NAME, PayPalConstants::SDK_VERSION),
 57             "Authorization" => "Basic " . base64_encode($options['clientId'] . ":" . $options['clientSecret']),
 58             "Accept"        => "*/*"
 59         );
 60         $httpConfig->setHeaders($headers);
 61 
 62         // Add any additional Headers that they may have provided
 63         $headers = $this->apiContext->getRequestHeaders();
 64         foreach ($headers as $key => $value) {
 65             $httpConfig->addHeader($key, $value);
 66         }
 67     }
 68 
 69     /**
 70      * Get HttpConfiguration object for OAuth API
 71      *
 72      * @param array $config
 73      *
 74      * @return PayPalHttpConfig
 75      * @throws \PayPal\Exception\PayPalConfigurationException
 76      */
 77     private static function _getEndpoint($config)
 78     {
 79         if (isset($config['oauth.EndPoint'])) {
 80             $baseEndpoint = $config['oauth.EndPoint'];
 81         } elseif (isset($config['service.EndPoint'])) {
 82             $baseEndpoint = $config['service.EndPoint'];
 83         } elseif (isset($config['mode'])) {
 84             switch (strtoupper($config['mode'])) {
 85                 case 'SANDBOX':
 86                     $baseEndpoint = PayPalConstants::REST_SANDBOX_ENDPOINT;
 87                     break;
 88                 case 'LIVE':
 89                     $baseEndpoint = PayPalConstants::REST_LIVE_ENDPOINT;
 90                     break;
 91                 default:
 92                     throw new PayPalConfigurationException('The mode config parameter must be set to either sandbox/live');
 93             }
 94         } else {
 95             // Defaulting to Sandbox
 96             $baseEndpoint = PayPalConstants::REST_SANDBOX_ENDPOINT;
 97         }
 98 
 99         $baseEndpoint = rtrim(trim($baseEndpoint), '/') . "/v1/oauth2/token";
100 
101         return $baseEndpoint;
102     }
103 }
104 

API documentation generated by ApiGen